diff options
| author | Ulf Samuelsson <ulf.samuelsson@atmel.com> | 2007-07-17 12:19:56 +0000 |
|---|---|---|
| committer | Ulf Samuelsson <ulf.samuelsson@atmel.com> | 2007-07-17 12:19:56 +0000 |
| commit | a1e6a84bb32d2c691103ee7548506c6bb68cb101 (patch) | |
| tree | 5ca9341704f781305ce6350d26c00d5a879bbd06 /target/device/Atmel/Linux/kernel-patches-2.6.20.4/linux-2.6.20.4-atmel.patch | |
| parent | 431e0223da18b1e2efc40d7bf96f1509087c1221 (diff) | |
| download | buildroot-novena-a1e6a84bb32d2c691103ee7548506c6bb68cb101.tar.gz buildroot-novena-a1e6a84bb32d2c691103ee7548506c6bb68cb101.zip | |
Add AT91 targets
Diffstat (limited to 'target/device/Atmel/Linux/kernel-patches-2.6.20.4/linux-2.6.20.4-atmel.patch')
| -rw-r--r-- | target/device/Atmel/Linux/kernel-patches-2.6.20.4/linux-2.6.20.4-atmel.patch | 26777 |
1 files changed, 26777 insertions, 0 deletions
diff --git a/target/device/Atmel/Linux/kernel-patches-2.6.20.4/linux-2.6.20.4-atmel.patch b/target/device/Atmel/Linux/kernel-patches-2.6.20.4/linux-2.6.20.4-atmel.patch new file mode 100644 index 000000000..9cd333429 --- /dev/null +++ b/target/device/Atmel/Linux/kernel-patches-2.6.20.4/linux-2.6.20.4-atmel.patch @@ -0,0 +1,26777 @@ +diff -urN linux-2.6.20.4-0rig/arch/arm/configs/at91sam9263ek_defconfig linux-2.6.20.4-atmel/arch/arm/configs/at91sam9263ek_defconfig +--- linux-2.6.20.4-0rig/arch/arm/configs/at91sam9263ek_defconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/configs/at91sam9263ek_defconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,1184 @@ ++# ++# Automatically generated make config: don't edit ++# Linux kernel version: 2.6.20-rc1 ++# Mon Jan 8 16:06:54 2007 ++# ++CONFIG_ARM=y ++# CONFIG_GENERIC_TIME is not set ++CONFIG_MMU=y ++CONFIG_GENERIC_HARDIRQS=y ++CONFIG_TRACE_IRQFLAGS_SUPPORT=y ++CONFIG_HARDIRQS_SW_RESEND=y ++CONFIG_GENERIC_IRQ_PROBE=y ++CONFIG_RWSEM_GENERIC_SPINLOCK=y ++# CONFIG_ARCH_HAS_ILOG2_U32 is not set ++# CONFIG_ARCH_HAS_ILOG2_U64 is not set ++CONFIG_GENERIC_HWEIGHT=y ++CONFIG_GENERIC_CALIBRATE_DELAY=y ++CONFIG_VECTORS_BASE=0xffff0000 ++CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" ++ ++# ++# Code maturity level options ++# ++CONFIG_EXPERIMENTAL=y ++CONFIG_BROKEN_ON_SMP=y ++CONFIG_INIT_ENV_ARG_LIMIT=32 ++ ++# ++# General setup ++# ++CONFIG_LOCALVERSION="" ++# CONFIG_LOCALVERSION_AUTO is not set ++# CONFIG_SWAP is not set ++CONFIG_SYSVIPC=y ++# CONFIG_IPC_NS is not set ++# CONFIG_POSIX_MQUEUE is not set ++# CONFIG_BSD_PROCESS_ACCT is not set ++# CONFIG_TASKSTATS is not set ++# CONFIG_UTS_NS is not set ++# CONFIG_AUDIT is not set ++# CONFIG_IKCONFIG is not set ++CONFIG_SYSFS_DEPRECATED=y ++# CONFIG_RELAY is not set ++CONFIG_INITRAMFS_SOURCE="" ++CONFIG_CC_OPTIMIZE_FOR_SIZE=y ++CONFIG_SYSCTL=y ++# CONFIG_EMBEDDED is not set ++CONFIG_UID16=y ++CONFIG_SYSCTL_SYSCALL=y ++CONFIG_KALLSYMS=y ++# CONFIG_KALLSYMS_ALL is not set ++# CONFIG_KALLSYMS_EXTRA_PASS is not set ++CONFIG_HOTPLUG=y ++CONFIG_PRINTK=y ++CONFIG_BUG=y ++CONFIG_ELF_CORE=y ++CONFIG_BASE_FULL=y ++CONFIG_FUTEX=y ++CONFIG_EPOLL=y ++CONFIG_SHMEM=y ++CONFIG_SLAB=y ++CONFIG_VM_EVENT_COUNTERS=y ++CONFIG_RT_MUTEXES=y ++# CONFIG_TINY_SHMEM is not set ++CONFIG_BASE_SMALL=0 ++# CONFIG_SLOB is not set ++ ++# ++# Loadable module support ++# ++CONFIG_MODULES=y ++CONFIG_MODULE_UNLOAD=y ++# CONFIG_MODULE_FORCE_UNLOAD is not set ++# CONFIG_MODVERSIONS is not set ++# CONFIG_MODULE_SRCVERSION_ALL is not set ++CONFIG_KMOD=y ++ ++# ++# Block layer ++# ++CONFIG_BLOCK=y ++# CONFIG_LBD is not set ++# CONFIG_BLK_DEV_IO_TRACE is not set ++# CONFIG_LSF is not set ++ ++# ++# IO Schedulers ++# ++CONFIG_IOSCHED_NOOP=y ++CONFIG_IOSCHED_AS=y ++# CONFIG_IOSCHED_DEADLINE is not set ++# CONFIG_IOSCHED_CFQ is not set ++CONFIG_DEFAULT_AS=y ++# CONFIG_DEFAULT_DEADLINE is not set ++# CONFIG_DEFAULT_CFQ is not set ++# CONFIG_DEFAULT_NOOP is not set ++CONFIG_DEFAULT_IOSCHED="anticipatory" ++ ++# ++# System Type ++# ++# CONFIG_ARCH_AAEC2000 is not set ++# CONFIG_ARCH_INTEGRATOR is not set ++# CONFIG_ARCH_REALVIEW is not set ++# CONFIG_ARCH_VERSATILE is not set ++CONFIG_ARCH_AT91=y ++# CONFIG_ARCH_CLPS7500 is not set ++# CONFIG_ARCH_CLPS711X is not set ++# CONFIG_ARCH_CO285 is not set ++# CONFIG_ARCH_EBSA110 is not set ++# CONFIG_ARCH_EP93XX is not set ++# CONFIG_ARCH_FOOTBRIDGE is not set ++# CONFIG_ARCH_NETX is not set ++# CONFIG_ARCH_H720X is not set ++# CONFIG_ARCH_IMX is not set ++# CONFIG_ARCH_IOP32X is not set ++# CONFIG_ARCH_IOP33X is not set ++# CONFIG_ARCH_IOP13XX is not set ++# CONFIG_ARCH_IXP4XX is not set ++# CONFIG_ARCH_IXP2000 is not set ++# CONFIG_ARCH_IXP23XX is not set ++# CONFIG_ARCH_L7200 is not set ++# CONFIG_ARCH_PNX4008 is not set ++# CONFIG_ARCH_PXA is not set ++# CONFIG_ARCH_RPC is not set ++# CONFIG_ARCH_SA1100 is not set ++# CONFIG_ARCH_S3C2410 is not set ++# CONFIG_ARCH_SHARK is not set ++# CONFIG_ARCH_LH7A40X is not set ++# CONFIG_ARCH_OMAP is not set ++ ++# ++# Atmel AT91 System-on-Chip ++# ++# CONFIG_ARCH_AT91RM9200 is not set ++# CONFIG_ARCH_AT91SAM9260 is not set ++# CONFIG_ARCH_AT91SAM9261 is not set ++CONFIG_ARCH_AT91SAM9263=y ++ ++# ++# AT91SAM9263 Board Type ++# ++CONFIG_MACH_AT91SAM9263EK=y ++ ++# ++# AT91 Board Options ++# ++CONFIG_MTD_AT91_DATAFLASH_CARD=y ++# CONFIG_MTD_NAND_AT91_BUSWIDTH_16 is not set ++ ++# ++# AT91 Feature Selections ++# ++# CONFIG_AT91_PROGRAMMABLE_CLOCKS is not set ++ ++# ++# Processor Type ++# ++CONFIG_CPU_32=y ++CONFIG_CPU_ARM926T=y ++CONFIG_CPU_32v5=y ++CONFIG_CPU_ABRT_EV5TJ=y ++CONFIG_CPU_CACHE_VIVT=y ++CONFIG_CPU_COPY_V4WB=y ++CONFIG_CPU_TLB_V4WBI=y ++CONFIG_CPU_CP15=y ++CONFIG_CPU_CP15_MMU=y ++ ++# ++# Processor Features ++# ++# CONFIG_ARM_THUMB is not set ++# CONFIG_CPU_ICACHE_DISABLE is not set ++# CONFIG_CPU_DCACHE_DISABLE is not set ++# CONFIG_CPU_DCACHE_WRITETHROUGH is not set ++# CONFIG_CPU_CACHE_ROUND_ROBIN is not set ++ ++# ++# Bus support ++# ++ ++# ++# PCCARD (PCMCIA/CardBus) support ++# ++# CONFIG_PCCARD is not set ++ ++# ++# Kernel Features ++# ++# CONFIG_PREEMPT is not set ++# CONFIG_NO_IDLE_HZ is not set ++CONFIG_HZ=100 ++# CONFIG_AEABI is not set ++# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set ++CONFIG_SELECT_MEMORY_MODEL=y ++CONFIG_FLATMEM_MANUAL=y ++# CONFIG_DISCONTIGMEM_MANUAL is not set ++# CONFIG_SPARSEMEM_MANUAL is not set ++CONFIG_FLATMEM=y ++CONFIG_FLAT_NODE_MEM_MAP=y ++# CONFIG_SPARSEMEM_STATIC is not set ++CONFIG_SPLIT_PTLOCK_CPUS=4096 ++# CONFIG_RESOURCES_64BIT is not set ++# CONFIG_LEDS is not set ++CONFIG_ALIGNMENT_TRAP=y ++ ++# ++# Boot options ++# ++CONFIG_ZBOOT_ROM_TEXT=0x0 ++CONFIG_ZBOOT_ROM_BSS=0x0 ++CONFIG_CMDLINE="mem=64M console=ttyS0,115200 initrd=0x21100000,3145728 root=/dev/ram0 rw" ++# CONFIG_XIP_KERNEL is not set ++ ++# ++# Floating point emulation ++# ++ ++# ++# At least one emulation must be selected ++# ++CONFIG_FPE_NWFPE=y ++# CONFIG_FPE_NWFPE_XP is not set ++# CONFIG_FPE_FASTFPE is not set ++# CONFIG_VFP is not set ++ ++# ++# Userspace binary formats ++# ++CONFIG_BINFMT_ELF=y ++# CONFIG_BINFMT_AOUT is not set ++# CONFIG_BINFMT_MISC is not set ++# CONFIG_ARTHUR is not set ++ ++# ++# Power management options ++# ++# CONFIG_PM is not set ++# CONFIG_APM is not set ++ ++# ++# Networking ++# ++CONFIG_NET=y ++ ++# ++# Networking options ++# ++# CONFIG_NETDEBUG is not set ++CONFIG_PACKET=y ++# CONFIG_PACKET_MMAP is not set ++CONFIG_UNIX=y ++# CONFIG_NET_KEY is not set ++CONFIG_INET=y ++# CONFIG_IP_MULTICAST is not set ++# CONFIG_IP_ADVANCED_ROUTER is not set ++CONFIG_IP_FIB_HASH=y ++CONFIG_IP_PNP=y ++# CONFIG_IP_PNP_DHCP is not set ++CONFIG_IP_PNP_BOOTP=y ++CONFIG_IP_PNP_RARP=y ++# CONFIG_NET_IPIP is not set ++# CONFIG_NET_IPGRE is not set ++# CONFIG_ARPD is not set ++# CONFIG_SYN_COOKIES is not set ++# CONFIG_INET_AH is not set ++# CONFIG_INET_ESP is not set ++# CONFIG_INET_IPCOMP is not set ++# CONFIG_INET_XFRM_TUNNEL is not set ++# CONFIG_INET_TUNNEL is not set ++# CONFIG_INET_XFRM_MODE_TRANSPORT is not set ++# CONFIG_INET_XFRM_MODE_TUNNEL is not set ++# CONFIG_INET_XFRM_MODE_BEET is not set ++# CONFIG_INET_DIAG is not set ++# CONFIG_TCP_CONG_ADVANCED is not set ++CONFIG_TCP_CONG_CUBIC=y ++CONFIG_DEFAULT_TCP_CONG="cubic" ++# CONFIG_TCP_MD5SIG is not set ++# CONFIG_IPV6 is not set ++# CONFIG_INET6_XFRM_TUNNEL is not set ++# CONFIG_INET6_TUNNEL is not set ++# CONFIG_NETWORK_SECMARK is not set ++# CONFIG_NETFILTER is not set ++ ++# ++# DCCP Configuration (EXPERIMENTAL) ++# ++# CONFIG_IP_DCCP is not set ++ ++# ++# SCTP Configuration (EXPERIMENTAL) ++# ++# CONFIG_IP_SCTP is not set ++ ++# ++# TIPC Configuration (EXPERIMENTAL) ++# ++# CONFIG_TIPC is not set ++# CONFIG_ATM is not set ++# CONFIG_BRIDGE is not set ++# CONFIG_VLAN_8021Q is not set ++# CONFIG_DECNET is not set ++# CONFIG_LLC2 is not set ++# CONFIG_IPX is not set ++# CONFIG_ATALK is not set ++# CONFIG_X25 is not set ++# CONFIG_LAPB is not set ++# CONFIG_ECONET is not set ++# CONFIG_WAN_ROUTER is not set ++ ++# ++# QoS and/or fair queueing ++# ++# CONFIG_NET_SCHED is not set ++ ++# ++# Network testing ++# ++# CONFIG_NET_PKTGEN is not set ++# CONFIG_HAMRADIO is not set ++# CONFIG_IRDA is not set ++# CONFIG_BT is not set ++# CONFIG_IEEE80211 is not set ++ ++# ++# Device Drivers ++# ++ ++# ++# Generic Driver Options ++# ++CONFIG_STANDALONE=y ++CONFIG_PREVENT_FIRMWARE_BUILD=y ++# CONFIG_FW_LOADER is not set ++# CONFIG_DEBUG_DRIVER is not set ++# CONFIG_SYS_HYPERVISOR is not set ++ ++# ++# Connector - unified userspace <-> kernelspace linker ++# ++# CONFIG_CONNECTOR is not set ++ ++# ++# Memory Technology Devices (MTD) ++# ++CONFIG_MTD=y ++# CONFIG_MTD_DEBUG is not set ++# CONFIG_MTD_CONCAT is not set ++CONFIG_MTD_PARTITIONS=y ++# CONFIG_MTD_REDBOOT_PARTS is not set ++CONFIG_MTD_CMDLINE_PARTS=y ++# CONFIG_MTD_AFS_PARTS is not set ++ ++# ++# User Modules And Translation Layers ++# ++CONFIG_MTD_CHAR=y ++CONFIG_MTD_BLKDEVS=y ++CONFIG_MTD_BLOCK=y ++# CONFIG_FTL is not set ++# CONFIG_NFTL is not set ++# CONFIG_INFTL is not set ++# CONFIG_RFD_FTL is not set ++# CONFIG_SSFDC is not set ++ ++# ++# RAM/ROM/Flash chip drivers ++# ++# CONFIG_MTD_CFI is not set ++# CONFIG_MTD_JEDECPROBE is not set ++CONFIG_MTD_MAP_BANK_WIDTH_1=y ++CONFIG_MTD_MAP_BANK_WIDTH_2=y ++CONFIG_MTD_MAP_BANK_WIDTH_4=y ++# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set ++# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set ++# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set ++CONFIG_MTD_CFI_I1=y ++CONFIG_MTD_CFI_I2=y ++# CONFIG_MTD_CFI_I4 is not set ++# CONFIG_MTD_CFI_I8 is not set ++# CONFIG_MTD_RAM is not set ++# CONFIG_MTD_ROM is not set ++# CONFIG_MTD_ABSENT is not set ++# CONFIG_MTD_OBSOLETE_CHIPS is not set ++ ++# ++# Mapping drivers for chip access ++# ++# CONFIG_MTD_COMPLEX_MAPPINGS is not set ++# CONFIG_MTD_PLATRAM is not set ++ ++# ++# Self-contained MTD device drivers ++# ++CONFIG_MTD_DATAFLASH=y ++# CONFIG_MTD_M25P80 is not set ++# CONFIG_MTD_SLRAM is not set ++# CONFIG_MTD_PHRAM is not set ++# CONFIG_MTD_MTDRAM is not set ++# CONFIG_MTD_BLOCK2MTD is not set ++ ++# ++# Disk-On-Chip Device Drivers ++# ++# CONFIG_MTD_DOC2000 is not set ++# CONFIG_MTD_DOC2001 is not set ++# CONFIG_MTD_DOC2001PLUS is not set ++ ++# ++# NAND Flash Device Drivers ++# ++CONFIG_MTD_NAND=y ++# CONFIG_MTD_NAND_VERIFY_WRITE is not set ++# CONFIG_MTD_NAND_ECC_SMC is not set ++CONFIG_MTD_NAND_IDS=y ++# CONFIG_MTD_NAND_DISKONCHIP is not set ++CONFIG_MTD_NAND_AT91=y ++# CONFIG_MTD_NAND_NANDSIM is not set ++ ++# ++# OneNAND Flash Device Drivers ++# ++# CONFIG_MTD_ONENAND is not set ++ ++# ++# Parallel port support ++# ++# CONFIG_PARPORT is not set ++ ++# ++# Plug and Play support ++# ++ ++# ++# Block devices ++# ++# CONFIG_BLK_DEV_COW_COMMON is not set ++CONFIG_BLK_DEV_LOOP=y ++# CONFIG_BLK_DEV_CRYPTOLOOP is not set ++# CONFIG_BLK_DEV_NBD is not set ++# CONFIG_BLK_DEV_UB is not set ++CONFIG_BLK_DEV_RAM=y ++CONFIG_BLK_DEV_RAM_COUNT=16 ++CONFIG_BLK_DEV_RAM_SIZE=8192 ++CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 ++CONFIG_BLK_DEV_INITRD=y ++# CONFIG_CDROM_PKTCDVD is not set ++# CONFIG_ATA_OVER_ETH is not set ++ ++# ++# SCSI device support ++# ++# CONFIG_RAID_ATTRS is not set ++CONFIG_SCSI=y ++# CONFIG_SCSI_TGT is not set ++# CONFIG_SCSI_NETLINK is not set ++CONFIG_SCSI_PROC_FS=y ++ ++# ++# SCSI support type (disk, tape, CD-ROM) ++# ++CONFIG_BLK_DEV_SD=y ++# CONFIG_CHR_DEV_ST is not set ++# CONFIG_CHR_DEV_OSST is not set ++# CONFIG_BLK_DEV_SR is not set ++# CONFIG_CHR_DEV_SG is not set ++# CONFIG_CHR_DEV_SCH is not set ++ ++# ++# Some SCSI devices (e.g. CD jukebox) support multiple LUNs ++# ++CONFIG_SCSI_MULTI_LUN=y ++# CONFIG_SCSI_CONSTANTS is not set ++# CONFIG_SCSI_LOGGING is not set ++# CONFIG_SCSI_SCAN_ASYNC is not set ++ ++# ++# SCSI Transports ++# ++# CONFIG_SCSI_SPI_ATTRS is not set ++# CONFIG_SCSI_FC_ATTRS is not set ++# CONFIG_SCSI_ISCSI_ATTRS is not set ++# CONFIG_SCSI_SAS_ATTRS is not set ++# CONFIG_SCSI_SAS_LIBSAS is not set ++ ++# ++# SCSI low-level drivers ++# ++# CONFIG_ISCSI_TCP is not set ++# CONFIG_SCSI_DEBUG is not set ++ ++# ++# Serial ATA (prod) and Parallel ATA (experimental) drivers ++# ++# CONFIG_ATA is not set ++ ++# ++# Multi-device support (RAID and LVM) ++# ++# CONFIG_MD is not set ++ ++# ++# Fusion MPT device support ++# ++# CONFIG_FUSION is not set ++ ++# ++# IEEE 1394 (FireWire) support ++# ++ ++# ++# I2O device support ++# ++ ++# ++# Network device support ++# ++CONFIG_NETDEVICES=y ++# CONFIG_DUMMY is not set ++# CONFIG_BONDING is not set ++# CONFIG_EQUALIZER is not set ++# CONFIG_TUN is not set ++ ++# ++# PHY device support ++# ++# CONFIG_PHYLIB is not set ++ ++# ++# Ethernet (10 or 100Mbit) ++# ++CONFIG_NET_ETHERNET=y ++CONFIG_MII=y ++# CONFIG_SMC91X is not set ++# CONFIG_DM9000 is not set ++ ++# ++# Ethernet (1000 Mbit) ++# ++ ++# ++# Ethernet (10000 Mbit) ++# ++ ++# ++# Token Ring devices ++# ++ ++# ++# Wireless LAN (non-hamradio) ++# ++# CONFIG_NET_RADIO is not set ++ ++# ++# Wan interfaces ++# ++# CONFIG_WAN is not set ++# CONFIG_PPP is not set ++# CONFIG_SLIP is not set ++# CONFIG_SHAPER is not set ++# CONFIG_NETCONSOLE is not set ++# CONFIG_NETPOLL is not set ++# CONFIG_NET_POLL_CONTROLLER is not set ++ ++# ++# ISDN subsystem ++# ++# CONFIG_ISDN is not set ++ ++# ++# Input device support ++# ++CONFIG_INPUT=y ++# CONFIG_INPUT_FF_MEMLESS is not set ++ ++# ++# Userland interfaces ++# ++CONFIG_INPUT_MOUSEDEV=y ++# CONFIG_INPUT_MOUSEDEV_PSAUX is not set ++CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 ++CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 ++# CONFIG_INPUT_JOYDEV is not set ++CONFIG_INPUT_TSDEV=y ++CONFIG_INPUT_TSDEV_SCREEN_X=240 ++CONFIG_INPUT_TSDEV_SCREEN_Y=320 ++CONFIG_INPUT_EVDEV=y ++# CONFIG_INPUT_EVBUG is not set ++ ++# ++# Input Device Drivers ++# ++# CONFIG_INPUT_KEYBOARD is not set ++# CONFIG_INPUT_MOUSE is not set ++# CONFIG_INPUT_JOYSTICK is not set ++CONFIG_INPUT_TOUCHSCREEN=y ++CONFIG_TOUCHSCREEN_ADS7846=y ++# CONFIG_TOUCHSCREEN_GUNZE is not set ++# CONFIG_TOUCHSCREEN_ELO is not set ++# CONFIG_TOUCHSCREEN_MTOUCH is not set ++# CONFIG_TOUCHSCREEN_MK712 is not set ++# CONFIG_TOUCHSCREEN_PENMOUNT is not set ++# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set ++# CONFIG_TOUCHSCREEN_TOUCHWIN is not set ++# CONFIG_TOUCHSCREEN_UCB1400 is not set ++# CONFIG_INPUT_MISC is not set ++ ++# ++# Hardware I/O ports ++# ++# CONFIG_SERIO is not set ++# CONFIG_GAMEPORT is not set ++ ++# ++# Character devices ++# ++CONFIG_VT=y ++CONFIG_VT_CONSOLE=y ++CONFIG_HW_CONSOLE=y ++# CONFIG_VT_HW_CONSOLE_BINDING is not set ++# CONFIG_SERIAL_NONSTANDARD is not set ++ ++# ++# Serial drivers ++# ++# CONFIG_SERIAL_8250 is not set ++ ++# ++# Non-8250 serial port support ++# ++CONFIG_SERIAL_ATMEL=y ++CONFIG_SERIAL_ATMEL_CONSOLE=y ++# CONFIG_SERIAL_ATMEL_TTYAT is not set ++CONFIG_SERIAL_CORE=y ++CONFIG_SERIAL_CORE_CONSOLE=y ++CONFIG_UNIX98_PTYS=y ++CONFIG_LEGACY_PTYS=y ++CONFIG_LEGACY_PTY_COUNT=256 ++ ++# ++# IPMI ++# ++# CONFIG_IPMI_HANDLER is not set ++ ++# ++# Watchdog Cards ++# ++CONFIG_WATCHDOG=y ++CONFIG_WATCHDOG_NOWAYOUT=y ++ ++# ++# Watchdog Device Drivers ++# ++# CONFIG_SOFT_WATCHDOG is not set ++ ++# ++# USB-based Watchdog Cards ++# ++# CONFIG_USBPCWATCHDOG is not set ++CONFIG_HW_RANDOM=y ++# CONFIG_NVRAM is not set ++# CONFIG_DTLK is not set ++# CONFIG_R3964 is not set ++# CONFIG_RAW_DRIVER is not set ++ ++# ++# TPM devices ++# ++# CONFIG_TCG_TPM is not set ++ ++# ++# I2C support ++# ++CONFIG_I2C=y ++CONFIG_I2C_CHARDEV=y ++ ++# ++# I2C Algorithms ++# ++# CONFIG_I2C_ALGOBIT is not set ++# CONFIG_I2C_ALGOPCF is not set ++# CONFIG_I2C_ALGOPCA is not set ++ ++# ++# I2C Hardware Bus support ++# ++CONFIG_I2C_AT91=y ++# CONFIG_I2C_OCORES is not set ++# CONFIG_I2C_PARPORT_LIGHT is not set ++# CONFIG_I2C_STUB is not set ++# CONFIG_I2C_PCA is not set ++# CONFIG_I2C_PCA_ISA is not set ++ ++# ++# Miscellaneous I2C Chip support ++# ++# CONFIG_SENSORS_DS1337 is not set ++# CONFIG_SENSORS_DS1374 is not set ++# CONFIG_SENSORS_EEPROM is not set ++# CONFIG_SENSORS_PCF8574 is not set ++# CONFIG_SENSORS_PCA9539 is not set ++# CONFIG_SENSORS_PCF8591 is not set ++# CONFIG_SENSORS_MAX6875 is not set ++# CONFIG_I2C_DEBUG_CORE is not set ++# CONFIG_I2C_DEBUG_ALGO is not set ++# CONFIG_I2C_DEBUG_BUS is not set ++# CONFIG_I2C_DEBUG_CHIP is not set ++ ++# ++# SPI support ++# ++CONFIG_SPI=y ++# CONFIG_SPI_DEBUG is not set ++CONFIG_SPI_MASTER=y ++ ++# ++# SPI Master Controller Drivers ++# ++CONFIG_SPI_ATMEL=y ++# CONFIG_SPI_BITBANG is not set ++ ++# ++# SPI Protocol Masters ++# ++ ++# ++# Dallas's 1-wire bus ++# ++# CONFIG_W1 is not set ++ ++# ++# Hardware Monitoring support ++# ++# CONFIG_HWMON is not set ++# CONFIG_HWMON_VID is not set ++ ++# ++# Misc devices ++# ++# CONFIG_TIFM_CORE is not set ++ ++# ++# LED devices ++# ++# CONFIG_NEW_LEDS is not set ++ ++# ++# LED drivers ++# ++ ++# ++# LED Triggers ++# ++ ++# ++# Multimedia devices ++# ++# CONFIG_VIDEO_DEV is not set ++ ++# ++# Digital Video Broadcasting Devices ++# ++# CONFIG_DVB is not set ++# CONFIG_USB_DABUSB is not set ++ ++# ++# Graphics support ++# ++# CONFIG_FIRMWARE_EDID is not set ++CONFIG_FB=y ++# CONFIG_FB_CFB_FILLRECT is not set ++# CONFIG_FB_CFB_COPYAREA is not set ++# CONFIG_FB_CFB_IMAGEBLIT is not set ++# CONFIG_FB_MACMODES is not set ++# CONFIG_FB_BACKLIGHT is not set ++# CONFIG_FB_MODE_HELPERS is not set ++# CONFIG_FB_TILEBLITTING is not set ++# CONFIG_FB_S1D13XXX is not set ++# CONFIG_FB_VIRTUAL is not set ++ ++# ++# Console display driver support ++# ++# CONFIG_VGA_CONSOLE is not set ++CONFIG_DUMMY_CONSOLE=y ++# CONFIG_FRAMEBUFFER_CONSOLE is not set ++ ++# ++# Logo configuration ++# ++# CONFIG_LOGO is not set ++# CONFIG_BACKLIGHT_LCD_SUPPORT is not set ++ ++# ++# Sound ++# ++# CONFIG_SOUND is not set ++ ++# ++# HID Devices ++# ++CONFIG_HID=y ++ ++# ++# USB support ++# ++CONFIG_USB_ARCH_HAS_HCD=y ++CONFIG_USB_ARCH_HAS_OHCI=y ++# CONFIG_USB_ARCH_HAS_EHCI is not set ++CONFIG_USB=y ++# CONFIG_USB_DEBUG is not set ++ ++# ++# Miscellaneous USB options ++# ++CONFIG_USB_DEVICEFS=y ++# CONFIG_USB_BANDWIDTH is not set ++# CONFIG_USB_DYNAMIC_MINORS is not set ++# CONFIG_USB_MULTITHREAD_PROBE is not set ++# CONFIG_USB_OTG is not set ++ ++# ++# USB Host Controller Drivers ++# ++# CONFIG_USB_ISP116X_HCD is not set ++CONFIG_USB_OHCI_HCD=y ++# CONFIG_USB_OHCI_BIG_ENDIAN is not set ++CONFIG_USB_OHCI_LITTLE_ENDIAN=y ++# CONFIG_USB_SL811_HCD is not set ++ ++# ++# USB Device Class drivers ++# ++# CONFIG_USB_ACM is not set ++# CONFIG_USB_PRINTER is not set ++ ++# ++# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' ++# ++ ++# ++# may also be needed; see USB_STORAGE Help for more information ++# ++CONFIG_USB_STORAGE=y ++# CONFIG_USB_STORAGE_DEBUG is not set ++# CONFIG_USB_STORAGE_DATAFAB is not set ++# CONFIG_USB_STORAGE_FREECOM is not set ++# CONFIG_USB_STORAGE_DPCM is not set ++# CONFIG_USB_STORAGE_USBAT is not set ++# CONFIG_USB_STORAGE_SDDR09 is not set ++# CONFIG_USB_STORAGE_SDDR55 is not set ++# CONFIG_USB_STORAGE_JUMPSHOT is not set ++# CONFIG_USB_STORAGE_ALAUDA is not set ++# CONFIG_USB_STORAGE_ONETOUCH is not set ++# CONFIG_USB_STORAGE_KARMA is not set ++# CONFIG_USB_LIBUSUAL is not set ++ ++# ++# USB Input Devices ++# ++# CONFIG_USB_HID is not set ++ ++# ++# USB HID Boot Protocol drivers ++# ++# CONFIG_USB_KBD is not set ++# CONFIG_USB_MOUSE is not set ++# CONFIG_USB_AIPTEK is not set ++# CONFIG_USB_WACOM is not set ++# CONFIG_USB_ACECAD is not set ++# CONFIG_USB_KBTAB is not set ++# CONFIG_USB_POWERMATE is not set ++# CONFIG_USB_TOUCHSCREEN is not set ++# CONFIG_USB_YEALINK is not set ++# CONFIG_USB_XPAD is not set ++# CONFIG_USB_ATI_REMOTE is not set ++# CONFIG_USB_ATI_REMOTE2 is not set ++# CONFIG_USB_KEYSPAN_REMOTE is not set ++# CONFIG_USB_APPLETOUCH is not set ++ ++# ++# USB Imaging devices ++# ++# CONFIG_USB_MDC800 is not set ++# CONFIG_USB_MICROTEK is not set ++ ++# ++# USB Network Adapters ++# ++# CONFIG_USB_CATC is not set ++# CONFIG_USB_KAWETH is not set ++# CONFIG_USB_PEGASUS is not set ++# CONFIG_USB_RTL8150 is not set ++# CONFIG_USB_USBNET_MII is not set ++# CONFIG_USB_USBNET is not set ++CONFIG_USB_MON=y ++ ++# ++# USB port drivers ++# ++ ++# ++# USB Serial Converter support ++# ++# CONFIG_USB_SERIAL is not set ++ ++# ++# USB Miscellaneous drivers ++# ++# CONFIG_USB_EMI62 is not set ++# CONFIG_USB_EMI26 is not set ++# CONFIG_USB_ADUTUX is not set ++# CONFIG_USB_AUERSWALD is not set ++# CONFIG_USB_RIO500 is not set ++# CONFIG_USB_LEGOTOWER is not set ++# CONFIG_USB_LCD is not set ++# CONFIG_USB_LED is not set ++# CONFIG_USB_CYPRESS_CY7C63 is not set ++# CONFIG_USB_CYTHERM is not set ++# CONFIG_USB_PHIDGET is not set ++# CONFIG_USB_IDMOUSE is not set ++# CONFIG_USB_FTDI_ELAN is not set ++# CONFIG_USB_APPLEDISPLAY is not set ++# CONFIG_USB_LD is not set ++# CONFIG_USB_TRANCEVIBRATOR is not set ++# CONFIG_USB_TEST is not set ++ ++# ++# USB DSL modem support ++# ++ ++# ++# USB Gadget Support ++# ++CONFIG_USB_GADGET=y ++# CONFIG_USB_GADGET_DEBUG_FILES is not set ++CONFIG_USB_GADGET_SELECTED=y ++# CONFIG_USB_GADGET_NET2280 is not set ++# CONFIG_USB_GADGET_PXA2XX is not set ++# CONFIG_USB_GADGET_GOKU is not set ++# CONFIG_USB_GADGET_LH7A40X is not set ++# CONFIG_USB_GADGET_OMAP is not set ++CONFIG_USB_GADGET_AT91=y ++CONFIG_USB_AT91=y ++# CONFIG_USB_GADGET_DUMMY_HCD is not set ++# CONFIG_USB_GADGET_DUALSPEED is not set ++CONFIG_USB_ZERO=m ++# CONFIG_USB_ETH is not set ++CONFIG_USB_GADGETFS=m ++CONFIG_USB_FILE_STORAGE=m ++# CONFIG_USB_FILE_STORAGE_TEST is not set ++CONFIG_USB_G_SERIAL=m ++# CONFIG_USB_MIDI_GADGET is not set ++ ++# ++# MMC/SD Card support ++# ++CONFIG_MMC=y ++# CONFIG_MMC_DEBUG is not set ++CONFIG_MMC_BLOCK=y ++CONFIG_MMC_AT91=m ++# CONFIG_MMC_TIFM_SD is not set ++ ++# ++# Real Time Clock ++# ++CONFIG_RTC_LIB=y ++# CONFIG_RTC_CLASS is not set ++ ++# ++# File systems ++# ++CONFIG_EXT2_FS=y ++# CONFIG_EXT2_FS_XATTR is not set ++# CONFIG_EXT2_FS_XIP is not set ++# CONFIG_EXT3_FS is not set ++# CONFIG_EXT4DEV_FS is not set ++# CONFIG_REISERFS_FS is not set ++# CONFIG_JFS_FS is not set ++# CONFIG_FS_POSIX_ACL is not set ++# CONFIG_XFS_FS is not set ++# CONFIG_GFS2_FS is not set ++# CONFIG_OCFS2_FS is not set ++# CONFIG_MINIX_FS is not set ++# CONFIG_ROMFS_FS is not set ++CONFIG_INOTIFY=y ++CONFIG_INOTIFY_USER=y ++# CONFIG_QUOTA is not set ++CONFIG_DNOTIFY=y ++# CONFIG_AUTOFS_FS is not set ++# CONFIG_AUTOFS4_FS is not set ++# CONFIG_FUSE_FS is not set ++ ++# ++# CD-ROM/DVD Filesystems ++# ++# CONFIG_ISO9660_FS is not set ++# CONFIG_UDF_FS is not set ++ ++# ++# DOS/FAT/NT Filesystems ++# ++CONFIG_FAT_FS=y ++# CONFIG_MSDOS_FS is not set ++CONFIG_VFAT_FS=y ++CONFIG_FAT_DEFAULT_CODEPAGE=437 ++CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" ++# CONFIG_NTFS_FS is not set ++ ++# ++# Pseudo filesystems ++# ++CONFIG_PROC_FS=y ++CONFIG_PROC_SYSCTL=y ++CONFIG_SYSFS=y ++CONFIG_TMPFS=y ++# CONFIG_TMPFS_POSIX_ACL is not set ++# CONFIG_HUGETLB_PAGE is not set ++CONFIG_RAMFS=y ++# CONFIG_CONFIGFS_FS is not set ++ ++# ++# Miscellaneous filesystems ++# ++# CONFIG_ADFS_FS is not set ++# CONFIG_AFFS_FS is not set ++# CONFIG_HFS_FS is not set ++# CONFIG_HFSPLUS_FS is not set ++# CONFIG_BEFS_FS is not set ++# CONFIG_BFS_FS is not set ++# CONFIG_EFS_FS is not set ++CONFIG_JFFS2_FS=y ++CONFIG_JFFS2_FS_DEBUG=0 ++CONFIG_JFFS2_FS_WRITEBUFFER=y ++# CONFIG_JFFS2_SUMMARY is not set ++# CONFIG_JFFS2_FS_XATTR is not set ++# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set ++CONFIG_JFFS2_ZLIB=y ++CONFIG_JFFS2_RTIME=y ++# CONFIG_JFFS2_RUBIN is not set ++CONFIG_CRAMFS=y ++# CONFIG_VXFS_FS is not set ++# CONFIG_HPFS_FS is not set ++# CONFIG_QNX4FS_FS is not set ++# CONFIG_SYSV_FS is not set ++# CONFIG_UFS_FS is not set ++ ++# ++# Network File Systems ++# ++CONFIG_NFS_FS=y ++# CONFIG_NFS_V3 is not set ++# CONFIG_NFS_V4 is not set ++# CONFIG_NFS_DIRECTIO is not set ++# CONFIG_NFSD is not set ++CONFIG_ROOT_NFS=y ++CONFIG_LOCKD=y ++CONFIG_NFS_COMMON=y ++CONFIG_SUNRPC=y ++# CONFIG_RPCSEC_GSS_KRB5 is not set ++# CONFIG_RPCSEC_GSS_SPKM3 is not set ++# CONFIG_SMB_FS is not set ++# CONFIG_CIFS is not set ++# CONFIG_NCP_FS is not set ++# CONFIG_CODA_FS is not set ++# CONFIG_AFS_FS is not set ++# CONFIG_9P_FS is not set ++ ++# ++# Partition Types ++# ++# CONFIG_PARTITION_ADVANCED is not set ++CONFIG_MSDOS_PARTITION=y ++ ++# ++# Native Language Support ++# ++CONFIG_NLS=y ++CONFIG_NLS_DEFAULT="iso8859-1" ++CONFIG_NLS_CODEPAGE_437=y ++# CONFIG_NLS_CODEPAGE_737 is not set ++# CONFIG_NLS_CODEPAGE_775 is not set ++CONFIG_NLS_CODEPAGE_850=y ++# CONFIG_NLS_CODEPAGE_852 is not set ++# CONFIG_NLS_CODEPAGE_855 is not set ++# CONFIG_NLS_CODEPAGE_857 is not set ++# CONFIG_NLS_CODEPAGE_860 is not set ++# CONFIG_NLS_CODEPAGE_861 is not set ++# CONFIG_NLS_CODEPAGE_862 is not set ++# CONFIG_NLS_CODEPAGE_863 is not set ++# CONFIG_NLS_CODEPAGE_864 is not set ++# CONFIG_NLS_CODEPAGE_865 is not set ++# CONFIG_NLS_CODEPAGE_866 is not set ++# CONFIG_NLS_CODEPAGE_869 is not set ++# CONFIG_NLS_CODEPAGE_936 is not set ++# CONFIG_NLS_CODEPAGE_950 is not set ++# CONFIG_NLS_CODEPAGE_932 is not set ++# CONFIG_NLS_CODEPAGE_949 is not set ++# CONFIG_NLS_CODEPAGE_874 is not set ++# CONFIG_NLS_ISO8859_8 is not set ++# CONFIG_NLS_CODEPAGE_1250 is not set ++# CONFIG_NLS_CODEPAGE_1251 is not set ++# CONFIG_NLS_ASCII is not set ++CONFIG_NLS_ISO8859_1=y ++# CONFIG_NLS_ISO8859_2 is not set ++# CONFIG_NLS_ISO8859_3 is not set ++# CONFIG_NLS_ISO8859_4 is not set ++# CONFIG_NLS_ISO8859_5 is not set ++# CONFIG_NLS_ISO8859_6 is not set ++# CONFIG_NLS_ISO8859_7 is not set ++# CONFIG_NLS_ISO8859_9 is not set ++# CONFIG_NLS_ISO8859_13 is not set ++# CONFIG_NLS_ISO8859_14 is not set ++# CONFIG_NLS_ISO8859_15 is not set ++# CONFIG_NLS_KOI8_R is not set ++# CONFIG_NLS_KOI8_U is not set ++# CONFIG_NLS_UTF8 is not set ++ ++# ++# Distributed Lock Manager ++# ++# CONFIG_DLM is not set ++ ++# ++# Profiling support ++# ++# CONFIG_PROFILING is not set ++ ++# ++# Kernel hacking ++# ++# CONFIG_PRINTK_TIME is not set ++CONFIG_ENABLE_MUST_CHECK=y ++# CONFIG_MAGIC_SYSRQ is not set ++# CONFIG_UNUSED_SYMBOLS is not set ++# CONFIG_DEBUG_FS is not set ++# CONFIG_HEADERS_CHECK is not set ++CONFIG_DEBUG_KERNEL=y ++CONFIG_LOG_BUF_SHIFT=14 ++CONFIG_DETECT_SOFTLOCKUP=y ++# CONFIG_SCHEDSTATS is not set ++# CONFIG_DEBUG_SLAB is not set ++# CONFIG_DEBUG_RT_MUTEXES is not set ++# CONFIG_RT_MUTEX_TESTER is not set ++# CONFIG_DEBUG_SPINLOCK is not set ++# CONFIG_DEBUG_MUTEXES is not set ++# CONFIG_DEBUG_RWSEMS is not set ++# CONFIG_DEBUG_SPINLOCK_SLEEP is not set ++# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set ++# CONFIG_DEBUG_KOBJECT is not set ++CONFIG_DEBUG_BUGVERBOSE=y ++# CONFIG_DEBUG_INFO is not set ++# CONFIG_DEBUG_VM is not set ++# CONFIG_DEBUG_LIST is not set ++CONFIG_FRAME_POINTER=y ++CONFIG_FORCED_INLINING=y ++# CONFIG_RCU_TORTURE_TEST is not set ++CONFIG_DEBUG_USER=y ++# CONFIG_DEBUG_ERRORS is not set ++CONFIG_DEBUG_LL=y ++# CONFIG_DEBUG_ICEDCC is not set ++ ++# ++# Security options ++# ++# CONFIG_KEYS is not set ++# CONFIG_SECURITY is not set ++ ++# ++# Cryptographic options ++# ++# CONFIG_CRYPTO is not set ++ ++# ++# Library routines ++# ++CONFIG_BITREVERSE=y ++# CONFIG_CRC_CCITT is not set ++# CONFIG_CRC16 is not set ++CONFIG_CRC32=y ++# CONFIG_LIBCRC32C is not set ++CONFIG_ZLIB_INFLATE=y ++CONFIG_PLIST=y ++CONFIG_IOMAP_COPY=y +diff -urN linux-2.6.20.4-0rig/arch/arm/configs/csb337_defconfig linux-2.6.20.4-atmel/arch/arm/configs/csb337_defconfig +--- linux-2.6.20.4-0rig/arch/arm/configs/csb337_defconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/configs/csb337_defconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -355,10 +355,12 @@ + # Mapping drivers for chip access + # + # CONFIG_MTD_COMPLEX_MAPPINGS is not set +-# CONFIG_MTD_PHYSMAP is not set ++CONFIG_MTD_PHYSMAP=y ++CONFIG_MTD_PHYSMAP_START=0 ++CONFIG_MTD_PHYSMAP_LEN=0 ++CONFIG_MTD_PHYSMAP_BANKWIDTH=0 + # CONFIG_MTD_ARM_INTEGRATOR is not set + # CONFIG_MTD_PLATRAM is not set +-CONFIG_MTD_CSB337=y + + # + # Self-contained MTD device drivers +diff -urN linux-2.6.20.4-0rig/arch/arm/configs/csb637_defconfig linux-2.6.20.4-atmel/arch/arm/configs/csb637_defconfig +--- linux-2.6.20.4-0rig/arch/arm/configs/csb637_defconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/configs/csb637_defconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -355,10 +355,12 @@ + # Mapping drivers for chip access + # + # CONFIG_MTD_COMPLEX_MAPPINGS is not set +-# CONFIG_MTD_PHYSMAP is not set ++CONFIG_MTD_PHYSMAP=y ++CONFIG_MTD_PHYSMAP_START=0 ++CONFIG_MTD_PHYSMAP_LEN=0 ++CONFIG_MTD_PHYSMAP_BANKWIDTH=0 + # CONFIG_MTD_ARM_INTEGRATOR is not set + # CONFIG_MTD_PLATRAM is not set +-CONFIG_MTD_CSB637=y + + # + # Self-contained MTD device drivers +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91rm9200.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91rm9200.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91rm9200.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91rm9200.c 2007-03-24 16:39:15.000000000 +0100 +@@ -117,6 +117,36 @@ + .pmc_mask = 1 << AT91RM9200_ID_PIOD, + .type = CLK_TYPE_PERIPHERAL, + }; ++static struct clk tc0_clk = { ++ .name = "tc0_clk", ++ .pmc_mask = 1 << AT91RM9200_ID_TC0, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc1_clk = { ++ .name = "tc1_clk", ++ .pmc_mask = 1 << AT91RM9200_ID_TC1, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc2_clk = { ++ .name = "tc2_clk", ++ .pmc_mask = 1 << AT91RM9200_ID_TC2, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc3_clk = { ++ .name = "tc3_clk", ++ .pmc_mask = 1 << AT91RM9200_ID_TC3, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc4_clk = { ++ .name = "tc4_clk", ++ .pmc_mask = 1 << AT91RM9200_ID_TC4, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc5_clk = { ++ .name = "tc5_clk", ++ .pmc_mask = 1 << AT91RM9200_ID_TC5, ++ .type = CLK_TYPE_PERIPHERAL, ++}; + + static struct clk *periph_clocks[] __initdata = { + &pioA_clk, +@@ -132,7 +162,12 @@ + &twi_clk, + &spi_clk, + // ssc 0 .. ssc2 +- // tc0 .. tc5 ++ &tc0_clk, ++ &tc1_clk, ++ &tc2_clk, ++ &tc3_clk, ++ &tc4_clk, ++ &tc5_clk, + &ohci_clk, + ðer_clk, + // irq0 .. irq6 +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91rm9200_devices.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91rm9200_devices.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91rm9200_devices.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91rm9200_devices.c 2007-03-24 16:39:15.000000000 +0100 +@@ -315,7 +315,7 @@ + .num_resources = ARRAY_SIZE(mmc_resources), + }; + +-void __init at91_add_device_mmc(struct at91_mmc_data *data) ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) + { + if (!data) + return; +@@ -361,7 +361,7 @@ + platform_device_register(&at91rm9200_mmc_device); + } + #else +-void __init at91_add_device_mmc(struct at91_mmc_data *data) {} ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} + #endif + + +@@ -480,7 +480,18 @@ + * SPI + * -------------------------------------------------------------------- */ + +-#if defined(CONFIG_SPI_AT91) || defined(CONFIG_SPI_AT91_MODULE) || defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE) ++#if defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE) /* legacy SPI driver */ ++#define SPI_DEVNAME "at91_spi" ++ ++#elif defined(CONFIG_SPI_AT91) || defined(CONFIG_SPI_AT91_MODULE) /* SPI bitbanging driver */ ++#define SPI_DEVNAME "at91_spi" ++ ++#elif defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) /* new SPI driver */ ++#define SPI_DEVNAME "atmel_spi" ++ ++#endif ++ ++#ifdef SPI_DEVNAME + static u64 spi_dmamask = 0xffffffffUL; + + static struct resource spi_resources[] = { +@@ -497,7 +508,7 @@ + }; + + static struct platform_device at91rm9200_spi_device = { +- .name = "at91_spi", ++ .name = SPI_DEVNAME, + .id = 0, + .dev = { + .dma_mask = &spi_dmamask, +@@ -594,6 +605,10 @@ + + void __init at91_init_leds(u8 cpu_led, u8 timer_led) + { ++ /* Enable GPIO to access the LEDs */ ++ at91_set_gpio_output(cpu_led, 1); ++ at91_set_gpio_output(timer_led, 1); ++ + at91_leds_cpu = cpu_led; + at91_leds_timer = timer_led; + } +@@ -602,6 +617,32 @@ + #endif + + ++#if defined(CONFIG_NEW_LEDS) ++ ++static struct platform_device at91_leds = { ++ .name = "at91_leds", ++ .id = -1, ++}; ++ ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) ++{ ++ if (!nr) ++ return; ++ ++ at91_leds.dev.platform_data = leds; ++ ++ for ( ; nr; nr--, leds++) { ++ leds->index = nr; /* first record stores number of leds */ ++ at91_set_gpio_output(leds->gpio, (leds->flags & 1) == 0); ++ } ++ ++ platform_device_register(&at91_leds); ++} ++#else ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) {} ++#endif ++ ++ + /* -------------------------------------------------------------------- + * UART + * -------------------------------------------------------------------- */ +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91rm9200_time.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91rm9200_time.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91rm9200_time.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91rm9200_time.c 2007-03-24 16:39:15.000000000 +0100 +@@ -38,7 +38,8 @@ + * The ST_CRTR is updated asynchronously to the master clock. It is therefore + * necessary to read it twice (with the same value) to ensure accuracy. + */ +-static inline unsigned long read_CRTR(void) { ++static inline unsigned long read_CRTR(void) ++{ + unsigned long x1, x2; + + do { +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9260.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9260.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9260.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9260.c 2007-03-24 16:39:15.000000000 +0100 +@@ -14,6 +14,7 @@ + + #include <asm/mach/arch.h> + #include <asm/mach/map.h> ++#include <asm/arch/cpu.h> + #include <asm/arch/at91sam9260.h> + #include <asm/arch/at91_pmc.h> + #include <asm/arch/at91_rstc.h> +@@ -27,7 +28,11 @@ + .pfn = __phys_to_pfn(AT91_BASE_SYS), + .length = SZ_16K, + .type = MT_DEVICE, +- }, { ++ } ++}; ++ ++static struct map_desc at91sam9260_sram_desc[] __initdata = { ++ { + .virtual = AT91_IO_VIRT_BASE - AT91SAM9260_SRAM0_SIZE, + .pfn = __phys_to_pfn(AT91SAM9260_SRAM0_BASE), + .length = AT91SAM9260_SRAM0_SIZE, +@@ -37,7 +42,14 @@ + .pfn = __phys_to_pfn(AT91SAM9260_SRAM1_BASE), + .length = AT91SAM9260_SRAM1_SIZE, + .type = MT_DEVICE, +- }, ++ } ++}; ++ ++static struct map_desc at91sam9xe_sram_desc[] __initdata = { ++ { ++ .pfn = __phys_to_pfn(AT91SAM9XE_SRAM_BASE), ++ .type = MT_DEVICE, ++ } + }; + + /* -------------------------------------------------------------------- +@@ -107,13 +119,28 @@ + .pmc_mask = 1 << AT91SAM9260_ID_SPI1, + .type = CLK_TYPE_PERIPHERAL, + }; ++static struct clk tc0_clk = { ++ .name = "tc0_clk", ++ .pmc_mask = 1 << AT91SAM9260_ID_TC0, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc1_clk = { ++ .name = "tc1_clk", ++ .pmc_mask = 1 << AT91SAM9260_ID_TC1, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc2_clk = { ++ .name = "tc2_clk", ++ .pmc_mask = 1 << AT91SAM9260_ID_TC2, ++ .type = CLK_TYPE_PERIPHERAL, ++}; + static struct clk ohci_clk = { + .name = "ohci_clk", + .pmc_mask = 1 << AT91SAM9260_ID_UHP, + .type = CLK_TYPE_PERIPHERAL, + }; +-static struct clk ether_clk = { +- .name = "ether_clk", ++static struct clk macb_clk = { ++ .name = "macb_clk", + .pmc_mask = 1 << AT91SAM9260_ID_EMAC, + .type = CLK_TYPE_PERIPHERAL, + }; +@@ -137,6 +164,21 @@ + .pmc_mask = 1 << AT91SAM9260_ID_US5, + .type = CLK_TYPE_PERIPHERAL, + }; ++static struct clk tc3_clk = { ++ .name = "tc3_clk", ++ .pmc_mask = 1 << AT91SAM9260_ID_TC3, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc4_clk = { ++ .name = "tc4_clk", ++ .pmc_mask = 1 << AT91SAM9260_ID_TC4, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc5_clk = { ++ .name = "tc5_clk", ++ .pmc_mask = 1 << AT91SAM9260_ID_TC5, ++ .type = CLK_TYPE_PERIPHERAL, ++}; + + static struct clk *periph_clocks[] __initdata = { + &pioA_clk, +@@ -152,14 +194,18 @@ + &spi0_clk, + &spi1_clk, + // ssc +- // tc0 .. tc2 ++ &tc0_clk, ++ &tc1_clk, ++ &tc2_clk, + &ohci_clk, +- ðer_clk, ++ &macb_clk, + &isi_clk, + &usart3_clk, + &usart4_clk, + &usart5_clk, +- // tc3 .. tc5 ++ &tc3_clk, ++ &tc4_clk, ++ &tc5_clk, + // irq0 .. irq2 + }; + +@@ -213,7 +259,7 @@ + + static void at91sam9260_reset(void) + { +- at91_sys_write(AT91_RSTC_CR, (0xA5 << 24) | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); ++ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); + } + + +@@ -221,10 +267,36 @@ + * AT91SAM9260 processor initialization + * -------------------------------------------------------------------- */ + ++static void __init at91sam9xe_initialize(void) ++{ ++ unsigned long cidr, sram_size; ++ ++ cidr = at91_sys_read(AT91_DBGU_CIDR); ++ ++ switch (cidr & AT91_CIDR_SRAMSIZ) { ++ case AT91_CIDR_SRAMSIZ_32K: ++ sram_size = 2 * SZ_16K; ++ break; ++ case AT91_CIDR_SRAMSIZ_16K: ++ default: ++ sram_size = SZ_16K; ++ } ++ ++ at91sam9xe_sram_desc->virtual = AT91_IO_VIRT_BASE - sram_size; ++ at91sam9xe_sram_desc->length = sram_size; ++ ++ iotable_init(at91sam9xe_sram_desc, ARRAY_SIZE(at91sam9xe_sram_desc)); ++} ++ + void __init at91sam9260_initialize(unsigned long main_clock) + { + /* Map peripherals */ + iotable_init(at91sam9260_io_desc, ARRAY_SIZE(at91sam9260_io_desc)); ++ ++ if (cpu_is_at91sam9xe()) ++ at91sam9xe_initialize(); ++ else ++ iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc)); + + at91_arch_reset = at91sam9260_reset; + at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9260_devices.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9260_devices.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9260_devices.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9260_devices.c 2007-03-24 16:39:15.000000000 +0100 +@@ -128,7 +128,7 @@ + + #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) + static u64 eth_dmamask = 0xffffffffUL; +-static struct eth_platform_data eth_data; ++static struct at91_eth_data eth_data; + + static struct resource eth_resources[] = { + [0] = { +@@ -155,7 +155,7 @@ + .num_resources = ARRAY_SIZE(eth_resources), + }; + +-void __init at91_add_device_eth(struct eth_platform_data *data) ++void __init at91_add_device_eth(struct at91_eth_data *data) + { + if (!data) + return; +@@ -192,7 +192,7 @@ + platform_device_register(&at91sam9260_eth_device); + } + #else +-void __init at91_add_device_eth(struct eth_platform_data *data) {} ++void __init at91_add_device_eth(struct at91_eth_data *data) {} + #endif + + +@@ -229,7 +229,7 @@ + .num_resources = ARRAY_SIZE(mmc_resources), + }; + +-void __init at91_add_device_mmc(struct at91_mmc_data *data) ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) + { + if (!data) + return; +@@ -275,7 +275,7 @@ + platform_device_register(&at91sam9260_mmc_device); + } + #else +-void __init at91_add_device_mmc(struct at91_mmc_data *data) {} ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} + #endif + + +@@ -515,6 +515,10 @@ + + void __init at91_init_leds(u8 cpu_led, u8 timer_led) + { ++ /* Enable GPIO to access the LEDs */ ++ at91_set_gpio_output(cpu_led, 1); ++ at91_set_gpio_output(timer_led, 1); ++ + at91_leds_cpu = cpu_led; + at91_leds_timer = timer_led; + } +@@ -523,6 +527,32 @@ + #endif + + ++#if defined(CONFIG_NEW_LEDS) ++ ++static struct platform_device at91_leds = { ++ .name = "at91_leds", ++ .id = -1, ++}; ++ ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) ++{ ++ if (!nr) ++ return; ++ ++ at91_leds.dev.platform_data = leds; ++ ++ for ( ; nr; nr--, leds++) { ++ leds->index = nr; /* first record stores number of leds */ ++ at91_set_gpio_output(leds->gpio, (leds->flags & 1) == 0); ++ } ++ ++ platform_device_register(&at91_leds); ++} ++#else ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) {} ++#endif ++ ++ + /* -------------------------------------------------------------------- + * UART + * -------------------------------------------------------------------- */ +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9261.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9261.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9261.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9261.c 2007-03-24 16:39:15.000000000 +0100 +@@ -97,6 +97,21 @@ + .pmc_mask = 1 << AT91SAM9261_ID_SPI1, + .type = CLK_TYPE_PERIPHERAL, + }; ++static struct clk tc0_clk = { ++ .name = "tc0_clk", ++ .pmc_mask = 1 << AT91SAM9261_ID_TC0, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc1_clk = { ++ .name = "tc1_clk", ++ .pmc_mask = 1 << AT91SAM9261_ID_TC1, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tc2_clk = { ++ .name = "tc2_clk", ++ .pmc_mask = 1 << AT91SAM9261_ID_TC2, ++ .type = CLK_TYPE_PERIPHERAL, ++}; + static struct clk ohci_clk = { + .name = "ohci_clk", + .pmc_mask = 1 << AT91SAM9261_ID_UHP, +@@ -121,7 +136,9 @@ + &spi0_clk, + &spi1_clk, + // ssc 0 .. ssc2 +- // tc0 .. tc2 ++ &tc0_clk, ++ &tc1_clk, ++ &tc2_clk, + &ohci_clk, + &lcdc_clk, + // irq0 .. irq2 +@@ -208,7 +225,7 @@ + + static void at91sam9261_reset(void) + { +- at91_sys_write(AT91_RSTC_CR, (0xA5 << 24) | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); ++ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); + } + + +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9261_devices.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9261_devices.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9261_devices.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9261_devices.c 2007-03-24 16:39:15.000000000 +0100 +@@ -14,6 +14,9 @@ + #include <asm/mach/map.h> + + #include <linux/platform_device.h> ++#include <linux/fb.h> ++ ++#include <video/atmel_lcdc.h> + + #include <asm/arch/board.h> + #include <asm/arch/gpio.h> +@@ -159,7 +162,7 @@ + .num_resources = ARRAY_SIZE(mmc_resources), + }; + +-void __init at91_add_device_mmc(struct at91_mmc_data *data) ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) + { + if (!data) + return; +@@ -192,7 +195,7 @@ + platform_device_register(&at91sam9261_mmc_device); + } + #else +-void __init at91_add_device_mmc(struct at91_mmc_data *data) {} ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} + #endif + + +@@ -345,7 +348,7 @@ + .num_resources = ARRAY_SIZE(spi0_resources), + }; + +-static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; ++static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA28, AT91_PIN_PA6 }; + + static struct resource spi1_resources[] = { + [0] = { +@@ -430,9 +433,9 @@ + * LCD Controller + * -------------------------------------------------------------------- */ + +-#if defined(CONFIG_FB_AT91) || defined(CONFIG_FB_AT91_MODULE) ++#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) + static u64 lcdc_dmamask = 0xffffffffUL; +-static struct at91fb_info lcdc_data; ++static struct atmel_lcdfb_info lcdc_data; + + static struct resource lcdc_resources[] = { + [0] = { +@@ -455,18 +458,18 @@ + }; + + static struct platform_device at91_lcdc_device = { +- .name = "at91-fb", +- .id = 0, +- .dev = { +- .dma_mask = &lcdc_dmamask, +- .coherent_dma_mask = 0xffffffff, +- .platform_data = &lcdc_data, ++ .name = "atmel_lcdfb", ++ .id = 0, ++ .dev = { ++ .dma_mask = &lcdc_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &lcdc_data, + }, + .resource = lcdc_resources, + .num_resources = ARRAY_SIZE(lcdc_resources), + }; + +-void __init at91_add_device_lcdc(struct at91fb_info *data) ++void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) + { + if (!data) { + return; +@@ -499,7 +502,7 @@ + platform_device_register(&at91_lcdc_device); + } + #else +-void __init at91_add_device_lcdc(struct at91fb_info *data) {} ++void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} + #endif + + +@@ -513,6 +516,10 @@ + + void __init at91_init_leds(u8 cpu_led, u8 timer_led) + { ++ /* Enable GPIO to access the LEDs */ ++ at91_set_gpio_output(cpu_led, 1); ++ at91_set_gpio_output(timer_led, 1); ++ + at91_leds_cpu = cpu_led; + at91_leds_timer = timer_led; + } +@@ -521,6 +528,32 @@ + #endif + + ++#if defined(CONFIG_NEW_LEDS) ++ ++static struct platform_device at91_leds = { ++ .name = "at91_leds", ++ .id = -1, ++}; ++ ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) ++{ ++ if (!nr) ++ return; ++ ++ at91_leds.dev.platform_data = leds; ++ ++ for ( ; nr; nr--, leds++) { ++ leds->index = nr; /* first record stores number of leds */ ++ at91_set_gpio_output(leds->gpio, (leds->flags & 1) == 0); ++ } ++ ++ platform_device_register(&at91_leds); ++} ++#else ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) {} ++#endif ++ ++ + /* -------------------------------------------------------------------- + * UART + * -------------------------------------------------------------------- */ +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9263.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9263.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9263.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9263.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,313 @@ ++/* ++ * arch/arm/mach-at91rm9200/at91sam9263.c ++ * ++ * Copyright (C) 2007 Atmel Corporation. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ */ ++ ++#include <linux/module.h> ++ ++#include <asm/mach/arch.h> ++#include <asm/mach/map.h> ++#include <asm/arch/at91sam9263.h> ++#include <asm/arch/at91_pmc.h> ++#include <asm/arch/at91_rstc.h> ++ ++#include "generic.h" ++#include "clock.h" ++ ++static struct map_desc at91sam9263_io_desc[] __initdata = { ++ { ++ .virtual = AT91_VA_BASE_SYS, ++ .pfn = __phys_to_pfn(AT91_BASE_SYS), ++ .length = SZ_16K, ++ .type = MT_DEVICE, ++ }, { ++ .virtual = AT91_IO_VIRT_BASE - AT91SAM9263_SRAM0_SIZE, ++ .pfn = __phys_to_pfn(AT91SAM9263_SRAM0_BASE), ++ .length = AT91SAM9263_SRAM0_SIZE, ++ .type = MT_DEVICE, ++ }, { ++ .virtual = AT91_IO_VIRT_BASE - AT91SAM9263_SRAM0_SIZE - AT91SAM9263_SRAM1_SIZE, ++ .pfn = __phys_to_pfn(AT91SAM9263_SRAM1_BASE), ++ .length = AT91SAM9263_SRAM1_SIZE, ++ .type = MT_DEVICE, ++ }, ++}; ++ ++/* -------------------------------------------------------------------- ++ * Clocks ++ * -------------------------------------------------------------------- */ ++ ++/* ++ * The peripheral clocks. ++ */ ++static struct clk pioA_clk = { ++ .name = "pioA_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_PIOA, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk pioB_clk = { ++ .name = "pioB_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_PIOB, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk pioCDE_clk = { ++ .name = "pioCDE_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_PIOCDE, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk usart0_clk = { ++ .name = "usart0_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_US0, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk usart1_clk = { ++ .name = "usart1_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_US1, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk usart2_clk = { ++ .name = "usart2_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_US2, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk mmc0_clk = { ++ .name = "mci0_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_MCI0, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk mmc1_clk = { ++ .name = "mci1_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_MCI1, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk twi_clk = { ++ .name = "twi_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_TWI, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk spi0_clk = { ++ .name = "spi0_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_SPI0, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk spi1_clk = { ++ .name = "spi1_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_SPI1, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk tcb_clk = { ++ .name = "tcb_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_TCB, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk macb_clk = { ++ .name = "macb_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_EMAC, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk udc_clk = { ++ .name = "udc_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_UDP, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk isi_clk = { ++ .name = "isi_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_ISI, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk lcdc_clk = { ++ .name = "lcdc_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_LCDC, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++static struct clk ohci_clk = { ++ .name = "ohci_clk", ++ .pmc_mask = 1 << AT91SAM9263_ID_UHP, ++ .type = CLK_TYPE_PERIPHERAL, ++}; ++ ++static struct clk *periph_clocks[] __initdata = { ++ &pioA_clk, ++ &pioB_clk, ++ &pioCDE_clk, ++ &usart0_clk, ++ &usart1_clk, ++ &usart2_clk, ++ &mmc0_clk, ++ &mmc1_clk, ++ // can ++ &twi_clk, ++ &spi0_clk, ++ &spi1_clk, ++ // ssc0 .. ssc1 ++ // ac97 ++ &tcb_clk, ++ // pwmc ++ &macb_clk, ++ // 2dge ++ &udc_clk, ++ &isi_clk, ++ &lcdc_clk, ++ // dma ++ &ohci_clk, ++ // irq0 .. irq1 ++}; ++ ++/* ++ * The four programmable clocks. ++ * You must configure pin multiplexing to bring these signals out. ++ */ ++static struct clk pck0 = { ++ .name = "pck0", ++ .pmc_mask = AT91_PMC_PCK0, ++ .type = CLK_TYPE_PROGRAMMABLE, ++ .id = 0, ++}; ++static struct clk pck1 = { ++ .name = "pck1", ++ .pmc_mask = AT91_PMC_PCK1, ++ .type = CLK_TYPE_PROGRAMMABLE, ++ .id = 1, ++}; ++static struct clk pck2 = { ++ .name = "pck2", ++ .pmc_mask = AT91_PMC_PCK2, ++ .type = CLK_TYPE_PROGRAMMABLE, ++ .id = 2, ++}; ++static struct clk pck3 = { ++ .name = "pck3", ++ .pmc_mask = AT91_PMC_PCK3, ++ .type = CLK_TYPE_PROGRAMMABLE, ++ .id = 3, ++}; ++ ++static void __init at91sam9263_register_clocks(void) ++{ ++ int i; ++ ++ for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) ++ clk_register(periph_clocks[i]); ++ ++ clk_register(&pck0); ++ clk_register(&pck1); ++ clk_register(&pck2); ++ clk_register(&pck3); ++} ++ ++/* -------------------------------------------------------------------- ++ * GPIO ++ * -------------------------------------------------------------------- */ ++ ++static struct at91_gpio_bank at91sam9263_gpio[] = { ++ { ++ .id = AT91SAM9263_ID_PIOA, ++ .offset = AT91_PIOA, ++ .clock = &pioA_clk, ++ }, { ++ .id = AT91SAM9263_ID_PIOB, ++ .offset = AT91_PIOB, ++ .clock = &pioB_clk, ++ }, { ++ .id = AT91SAM9263_ID_PIOCDE, ++ .offset = AT91_PIOC, ++ .clock = &pioCDE_clk, ++ }, { ++ .id = AT91SAM9263_ID_PIOCDE, ++ .offset = AT91_PIOD, ++ .clock = &pioCDE_clk, ++ }, { ++ .id = AT91SAM9263_ID_PIOCDE, ++ .offset = AT91_PIOE, ++ .clock = &pioCDE_clk, ++ } ++}; ++ ++static void at91sam9263_reset(void) ++{ ++ at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); ++} ++ ++ ++/* -------------------------------------------------------------------- ++ * AT91SAM9263 processor initialization ++ * -------------------------------------------------------------------- */ ++ ++void __init at91sam9263_initialize(unsigned long main_clock) ++{ ++ /* Map peripherals */ ++ iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc)); ++ ++ at91_arch_reset = at91sam9263_reset; ++ at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); ++ ++ /* Init clock subsystem */ ++ at91_clock_init(main_clock); ++ ++ /* Register the processor-specific clocks */ ++ at91sam9263_register_clocks(); ++ ++ /* Register GPIO subsystem */ ++ at91_gpio_init(at91sam9263_gpio, 5); ++} ++ ++/* -------------------------------------------------------------------- ++ * Interrupt initialization ++ * -------------------------------------------------------------------- */ ++ ++/* ++ * The default interrupt priority levels (0 = lowest, 7 = highest). ++ */ ++static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = { ++ 7, /* Advanced Interrupt Controller (FIQ) */ ++ 7, /* System Peripherals */ ++ 0, /* Parallel IO Controller A */ ++ 0, /* Parallel IO Controller B */ ++ 0, /* Parallel IO Controller C, D and E */ ++ 0, ++ 0, ++ 6, /* USART 0 */ ++ 6, /* USART 1 */ ++ 6, /* USART 2 */ ++ 0, /* Multimedia Card Interface 0 */ ++ 0, /* Multimedia Card Interface 1 */ ++ 4, /* CAN */ ++ 0, /* Two-Wire Interface */ ++ 6, /* Serial Peripheral Interface 0 */ ++ 6, /* Serial Peripheral Interface 1 */ ++ 5, /* Serial Synchronous Controller 0 */ ++ 5, /* Serial Synchronous Controller 1 */ ++ 6, /* AC97 Controller */ ++ 0, /* Timer Counter 0, 1 and 2 */ ++ 0, /* Pulse Width Modulation Controller */ ++ 3, /* Ethernet */ ++ 0, ++ 0, /* 2D Graphic Engine */ ++ 3, /* USB Device Port */ ++ 0, /* Image Sensor Interface */ ++ 3, /* LDC Controller */ ++ 0, /* DMA Controller */ ++ 0, ++ 3, /* USB Host port */ ++ 0, /* Advanced Interrupt Controller (IRQ0) */ ++ 0, /* Advanced Interrupt Controller (IRQ1) */ ++}; ++ ++void __init at91sam9263_init_interrupts(unsigned int priority[NR_AIC_IRQS]) ++{ ++ if (!priority) ++ priority = at91sam9263_default_irq_priority; ++ ++ /* Initialize the AIC interrupt controller */ ++ at91_aic_init(priority); ++ ++ /* Enable GPIO interrupts */ ++ at91_gpio_irq_setup(); ++} +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9263_devices.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9263_devices.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam9263_devices.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam9263_devices.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,918 @@ ++/* ++ * arch/arm/mach-at91rm9200/at91sam9263_devices.c ++ * ++ * Copyright (C) 2007 Atmel Corporation. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ */ ++#include <asm/mach/arch.h> ++#include <asm/mach/map.h> ++ ++#include <linux/platform_device.h> ++#include <linux/fb.h> ++ ++#include <video/atmel_lcdc.h> ++ ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++#include <asm/arch/at91sam9263.h> ++#include <asm/arch/at91sam926x_mc.h> ++#include <asm/arch/at91sam9263_matrix.h> ++ ++#include "generic.h" ++ ++#define SZ_512 0x00000200 ++#define SZ_256 0x00000100 ++#define SZ_16 0x00000010 ++ ++/* -------------------------------------------------------------------- ++ * USB Host ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) ++static u64 ohci_dmamask = 0xffffffffUL; ++static struct at91_usbh_data usbh_data; ++ ++static struct resource usbh_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_UHP_BASE, ++ .end = AT91SAM9263_UHP_BASE + SZ_1M - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_UHP, ++ .end = AT91SAM9263_ID_UHP, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91_usbh_device = { ++ .name = "at91_ohci", ++ .id = -1, ++ .dev = { ++ .dma_mask = &ohci_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &usbh_data, ++ }, ++ .resource = usbh_resources, ++ .num_resources = ARRAY_SIZE(usbh_resources), ++}; ++ ++void __init at91_add_device_usbh(struct at91_usbh_data *data) ++{ ++ int i; ++ ++ if (!data) ++ return; ++ ++ /* Enable VBus control for UHP ports */ ++ for (i = 0; i < data->ports; i++) { ++ if (data->vbus_pin[i]) ++ at91_set_gpio_output(data->vbus_pin[i], 0); ++ } ++ ++ usbh_data = *data; ++ platform_device_register(&at91_usbh_device); ++} ++#else ++void __init at91_add_device_usbh(struct at91_usbh_data *data) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * USB Device (Gadget) ++ * -------------------------------------------------------------------- */ ++ ++#ifdef CONFIG_USB_GADGET_AT91 ++static struct at91_udc_data udc_data; ++ ++static struct resource udc_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_UDP, ++ .end = AT91SAM9263_BASE_UDP + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_UDP, ++ .end = AT91SAM9263_ID_UDP, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91_udc_device = { ++ .name = "at91_udc", ++ .id = -1, ++ .dev = { ++ .platform_data = &udc_data, ++ }, ++ .resource = udc_resources, ++ .num_resources = ARRAY_SIZE(udc_resources), ++}; ++ ++void __init at91_add_device_udc(struct at91_udc_data *data) ++{ ++ if (!data) ++ return; ++ ++ if (data->vbus_pin) { ++ at91_set_gpio_input(data->vbus_pin, 0); ++ at91_set_deglitch(data->vbus_pin, 1); ++ } ++ ++ /* Pullup pin is handled internally by USB device peripheral */ ++ ++ udc_data = *data; ++ platform_device_register(&at91_udc_device); ++} ++#else ++void __init at91_add_device_udc(struct at91_udc_data *data) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * Ethernet ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) ++static u64 eth_dmamask = 0xffffffffUL; ++static struct at91_eth_data eth_data; ++ ++static struct resource eth_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_EMAC, ++ .end = AT91SAM9263_BASE_EMAC + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_EMAC, ++ .end = AT91SAM9263_ID_EMAC, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91sam9263_eth_device = { ++ .name = "macb", ++ .id = -1, ++ .dev = { ++ .dma_mask = ð_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = ð_data, ++ }, ++ .resource = eth_resources, ++ .num_resources = ARRAY_SIZE(eth_resources), ++}; ++ ++void __init at91_add_device_eth(struct at91_eth_data *data) ++{ ++ if (!data) ++ return; ++ ++ if (data->phy_irq_pin) { ++ at91_set_gpio_input(data->phy_irq_pin, 0); ++ at91_set_deglitch(data->phy_irq_pin, 1); ++ } ++ ++ /* Pins used for MII and RMII */ ++ at91_set_A_periph(AT91_PIN_PE21, 0); /* ETXCK_EREFCK */ ++ at91_set_B_periph(AT91_PIN_PC25, 0); /* ERXDV */ ++ at91_set_A_periph(AT91_PIN_PE25, 0); /* ERX0 */ ++ at91_set_A_periph(AT91_PIN_PE26, 0); /* ERX1 */ ++ at91_set_A_periph(AT91_PIN_PE27, 0); /* ERXER */ ++ at91_set_A_periph(AT91_PIN_PE28, 0); /* ETXEN */ ++ at91_set_A_periph(AT91_PIN_PE23, 0); /* ETX0 */ ++ at91_set_A_periph(AT91_PIN_PE24, 0); /* ETX1 */ ++ at91_set_A_periph(AT91_PIN_PE30, 0); /* EMDIO */ ++ at91_set_A_periph(AT91_PIN_PE29, 0); /* EMDC */ ++ ++ if (!data->is_rmii) { ++ at91_set_A_periph(AT91_PIN_PE22, 0); /* ECRS */ ++ at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */ ++ at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */ ++ at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */ ++ at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */ ++ at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */ ++ at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */ ++ at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */ ++ } ++ ++ eth_data = *data; ++ platform_device_register(&at91sam9263_eth_device); ++} ++#else ++void __init at91_add_device_eth(struct at91_eth_data *data) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * MMC / SD ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) ++static u64 mmc_dmamask = 0xffffffffUL; ++static struct at91_mmc_data mmc0_data, mmc1_data; ++ ++static struct resource mmc0_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_MCI0, ++ .end = AT91SAM9263_BASE_MCI0 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_MCI0, ++ .end = AT91SAM9263_ID_MCI0, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91sam9263_mmc0_device = { ++ .name = "at91_mci", ++ .id = 0, ++ .dev = { ++ .dma_mask = &mmc_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &mmc0_data, ++ }, ++ .resource = mmc0_resources, ++ .num_resources = ARRAY_SIZE(mmc0_resources), ++}; ++ ++static struct resource mmc1_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_MCI1, ++ .end = AT91SAM9263_BASE_MCI1 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_MCI1, ++ .end = AT91SAM9263_ID_MCI1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91sam9263_mmc1_device = { ++ .name = "at91_mci", ++ .id = 1, ++ .dev = { ++ .dma_mask = &mmc_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &mmc1_data, ++ }, ++ .resource = mmc1_resources, ++ .num_resources = ARRAY_SIZE(mmc1_resources), ++}; ++ ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) ++{ ++ if (!data) ++ return; ++ ++ /* input/irq */ ++ if (data->det_pin) { ++ at91_set_gpio_input(data->det_pin, 1); ++ at91_set_deglitch(data->det_pin, 1); ++ } ++ if (data->wp_pin) ++ at91_set_gpio_input(data->wp_pin, 1); ++ if (data->vcc_pin) ++ at91_set_gpio_output(data->vcc_pin, 0); ++ ++ if (mmc_id == 0) { /* MCI0 */ ++ /* CLK */ ++ at91_set_A_periph(AT91_PIN_PA12, 0); ++ ++ if (data->slot_b) { ++ /* CMD */ ++ at91_set_A_periph(AT91_PIN_PA16, 1); ++ ++ /* DAT0, maybe DAT1..DAT3 */ ++ at91_set_A_periph(AT91_PIN_PA17, 1); ++ if (data->wire4) { ++ at91_set_A_periph(AT91_PIN_PA18, 1); ++ at91_set_A_periph(AT91_PIN_PA19, 1); ++ at91_set_A_periph(AT91_PIN_PA20, 1); ++ } ++ } else { ++ /* CMD */ ++ at91_set_A_periph(AT91_PIN_PA1, 1); ++ ++ /* DAT0, maybe DAT1..DAT3 */ ++ at91_set_A_periph(AT91_PIN_PA0, 1); ++ if (data->wire4) { ++ at91_set_A_periph(AT91_PIN_PA3, 1); ++ at91_set_A_periph(AT91_PIN_PA4, 1); ++ at91_set_A_periph(AT91_PIN_PA5, 1); ++ } ++ } ++ ++ mmc0_data = *data; ++ at91_clock_associate("mci0_clk", &at91sam9263_mmc1_device.dev, "mci_clk"); ++ platform_device_register(&at91sam9263_mmc0_device); ++ } else { /* MCI1 */ ++ /* CLK */ ++ at91_set_A_periph(AT91_PIN_PA6, 0); ++ ++ if (data->slot_b) { ++ /* CMD */ ++ at91_set_A_periph(AT91_PIN_PA21, 1); ++ ++ /* DAT0, maybe DAT1..DAT3 */ ++ at91_set_A_periph(AT91_PIN_PA22, 1); ++ if (data->wire4) { ++ at91_set_A_periph(AT91_PIN_PA23, 1); ++ at91_set_A_periph(AT91_PIN_PA24, 1); ++ at91_set_A_periph(AT91_PIN_PA25, 1); ++ } ++ } else { ++ /* CMD */ ++ at91_set_A_periph(AT91_PIN_PA7, 1); ++ ++ /* DAT0, maybe DAT1..DAT3 */ ++ at91_set_A_periph(AT91_PIN_PA8, 1); ++ if (data->wire4) { ++ at91_set_A_periph(AT91_PIN_PA9, 1); ++ at91_set_A_periph(AT91_PIN_PA10, 1); ++ at91_set_A_periph(AT91_PIN_PA11, 1); ++ } ++ } ++ ++ mmc1_data = *data; ++ at91_clock_associate("mci1_clk", &at91sam9263_mmc1_device.dev, "mci_clk"); ++ platform_device_register(&at91sam9263_mmc1_device); ++ } ++} ++#else ++void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * NAND / SmartMedia ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) ++static struct at91_nand_data nand_data; ++ ++#define NAND_BASE AT91_CHIPSELECT_3 ++ ++static struct resource nand_resources[] = { ++ { ++ .start = NAND_BASE, ++ .end = NAND_BASE + SZ_256M - 1, ++ .flags = IORESOURCE_MEM, ++ } ++}; ++ ++static struct platform_device at91sam9263_nand_device = { ++ .name = "at91_nand", ++ .id = -1, ++ .dev = { ++ .platform_data = &nand_data, ++ }, ++ .resource = nand_resources, ++ .num_resources = ARRAY_SIZE(nand_resources), ++}; ++ ++void __init at91_add_device_nand(struct at91_nand_data *data) ++{ ++ unsigned long csa, mode; ++ ++ if (!data) ++ return; ++ ++ csa = at91_sys_read(AT91_MATRIX_EBI0CSA); ++ at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC); ++ ++ /* set the bus interface characteristics */ ++ at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) ++ | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); ++ ++ at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) ++ | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); ++ ++ at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); ++ ++ if (data->bus_width_16) ++ mode = AT91_SMC_DBW_16; ++ else ++ mode = AT91_SMC_DBW_8; ++ at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); ++ ++ /* enable pin */ ++ if (data->enable_pin) ++ at91_set_gpio_output(data->enable_pin, 1); ++ ++ /* ready/busy pin */ ++ if (data->rdy_pin) ++ at91_set_gpio_input(data->rdy_pin, 1); ++ ++ /* card detect pin */ ++ if (data->det_pin) ++ at91_set_gpio_input(data->det_pin, 1); ++ ++ nand_data = *data; ++ platform_device_register(&at91sam9263_nand_device); ++} ++#else ++void __init at91_add_device_nand(struct at91_nand_data *data) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * TWI (i2c) ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) ++ ++static struct resource twi_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_TWI, ++ .end = AT91SAM9263_BASE_TWI + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_TWI, ++ .end = AT91SAM9263_ID_TWI, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91sam9263_twi_device = { ++ .name = "at91_i2c", ++ .id = -1, ++ .resource = twi_resources, ++ .num_resources = ARRAY_SIZE(twi_resources), ++}; ++ ++void __init at91_add_device_i2c(void) ++{ ++ /* pins used for TWI interface */ ++ at91_set_A_periph(AT91_PIN_PB4, 0); /* TWD */ ++ at91_set_multi_drive(AT91_PIN_PB4, 1); ++ ++ at91_set_A_periph(AT91_PIN_PB5, 0); /* TWCK */ ++ at91_set_multi_drive(AT91_PIN_PB5, 1); ++ ++ platform_device_register(&at91sam9263_twi_device); ++} ++#else ++void __init at91_add_device_i2c(void) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * SPI ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) ++static u64 spi_dmamask = 0xffffffffUL; ++ ++static struct resource spi0_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_SPI0, ++ .end = AT91SAM9263_BASE_SPI0 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_SPI0, ++ .end = AT91SAM9263_ID_SPI0, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91sam9263_spi0_device = { ++ .name = "atmel_spi", ++ .id = 0, ++ .dev = { ++ .dma_mask = &spi_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .resource = spi0_resources, ++ .num_resources = ARRAY_SIZE(spi0_resources), ++}; ++ ++static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PB11 }; ++ ++static struct resource spi1_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_SPI1, ++ .end = AT91SAM9263_BASE_SPI1 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_SPI1, ++ .end = AT91SAM9263_ID_SPI1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91sam9263_spi1_device = { ++ .name = "atmel_spi", ++ .id = 1, ++ .dev = { ++ .dma_mask = &spi_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .resource = spi1_resources, ++ .num_resources = ARRAY_SIZE(spi1_resources), ++}; ++ ++static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 }; ++ ++void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) ++{ ++ int i; ++ unsigned long cs_pin; ++ short enable_spi0 = 0; ++ short enable_spi1 = 0; ++ ++ /* Choose SPI chip-selects */ ++ for (i = 0; i < nr_devices; i++) { ++ if (devices[i].controller_data) ++ cs_pin = (unsigned long) devices[i].controller_data; ++ else if (devices[i].bus_num == 0) ++ cs_pin = spi0_standard_cs[devices[i].chip_select]; ++ else ++ cs_pin = spi1_standard_cs[devices[i].chip_select]; ++ ++ if (devices[i].bus_num == 0) ++ enable_spi0 = 1; ++ else ++ enable_spi1 = 1; ++ ++ /* enable chip-select pin */ ++ at91_set_gpio_output(cs_pin, 1); ++ ++ /* pass chip-select pin to driver */ ++ devices[i].controller_data = (void *) cs_pin; ++ } ++ ++ spi_register_board_info(devices, nr_devices); ++ ++ /* Configure SPI bus(es) */ ++ if (enable_spi0) { ++ at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ ++ at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ ++ at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ ++ ++ at91_clock_associate("spi0_clk", &at91sam9263_spi0_device.dev, "spi_clk"); ++ platform_device_register(&at91sam9263_spi0_device); ++ } ++ if (enable_spi1) { ++ at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */ ++ at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */ ++ at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */ ++ ++ at91_clock_associate("spi1_clk", &at91sam9263_spi1_device.dev, "spi_clk"); ++ platform_device_register(&at91sam9263_spi1_device); ++ } ++} ++#else ++void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * LCD Controller ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) ++static u64 lcdc_dmamask = 0xffffffffUL; ++static struct atmel_lcdfb_info lcdc_data; ++ ++static struct resource lcdc_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_LCDC_BASE, ++ .end = AT91SAM9263_LCDC_BASE + SZ_4K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_LCDC, ++ .end = AT91SAM9263_ID_LCDC, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device at91_lcdc_device = { ++ .name = "atmel_lcdfb", ++ .id = 0, ++ .dev = { ++ .dma_mask = &lcdc_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &lcdc_data, ++ }, ++ .resource = lcdc_resources, ++ .num_resources = ARRAY_SIZE(lcdc_resources), ++}; ++ ++void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) ++{ ++ if (!data) { ++ return; ++ } ++ ++ /* configure PIO for LCDC */ ++ at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */ ++ at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */ ++ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */ ++ at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */ ++ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */ ++ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */ ++ at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */ ++ at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */ ++ at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */ ++ at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */ ++ at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */ ++ at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */ ++ at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */ ++ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */ ++ at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */ ++ at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */ ++ at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */ ++ at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */ ++ at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */ ++ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */ ++ at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */ ++ at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */ ++ ++ lcdc_data = *data; ++ platform_device_register(&at91_lcdc_device); ++} ++#else ++void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * LEDs ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_LEDS) ++u8 at91_leds_cpu; ++u8 at91_leds_timer; ++ ++void __init at91_init_leds(u8 cpu_led, u8 timer_led) ++{ ++ /* Enable GPIO to access the LEDs */ ++ at91_set_gpio_output(cpu_led, 1); ++ at91_set_gpio_output(timer_led, 1); ++ ++ at91_leds_cpu = cpu_led; ++ at91_leds_timer = timer_led; ++} ++#else ++void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} ++#endif ++ ++ ++#if defined(CONFIG_NEW_LEDS) ++ ++static struct platform_device at91_leds = { ++ .name = "at91_leds", ++ .id = -1, ++}; ++ ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) ++{ ++ if (!nr) ++ return; ++ ++ at91_leds.dev.platform_data = leds; ++ ++ for ( ; nr; nr--, leds++) { ++ leds->index = nr; /* first record stores number of leds */ ++ at91_set_gpio_output(leds->gpio, (leds->flags & 1) == 0); ++ } ++ ++ platform_device_register(&at91_leds); ++} ++#else ++void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- ++ * UART ++ * -------------------------------------------------------------------- */ ++ ++#if defined(CONFIG_SERIAL_ATMEL) ++ ++static struct resource dbgu_resources[] = { ++ [0] = { ++ .start = AT91_VA_BASE_SYS + AT91_DBGU, ++ .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91_ID_SYS, ++ .end = AT91_ID_SYS, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct atmel_uart_data dbgu_data = { ++ .use_dma_tx = 0, ++ .use_dma_rx = 0, /* DBGU not capable of receive DMA */ ++ .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), ++}; ++ ++static struct platform_device at91sam9263_dbgu_device = { ++ .name = "atmel_usart", ++ .id = 0, ++ .dev = { ++ .platform_data = &dbgu_data, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .resource = dbgu_resources, ++ .num_resources = ARRAY_SIZE(dbgu_resources), ++}; ++ ++static inline void configure_dbgu_pins(void) ++{ ++ at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */ ++ at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */ ++} ++ ++static struct resource uart0_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_US0, ++ .end = AT91SAM9263_BASE_US0 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_US0, ++ .end = AT91SAM9263_ID_US0, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct atmel_uart_data uart0_data = { ++ .use_dma_tx = 1, ++ .use_dma_rx = 1, ++}; ++ ++static struct platform_device at91sam9263_uart0_device = { ++ .name = "atmel_usart", ++ .id = 1, ++ .dev = { ++ .platform_data = &uart0_data, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .resource = uart0_resources, ++ .num_resources = ARRAY_SIZE(uart0_resources), ++}; ++ ++static inline void configure_usart0_pins(void) ++{ ++ at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */ ++ at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */ ++ at91_set_A_periph(AT91_PIN_PA28, 0); /* RTS0 */ ++ at91_set_A_periph(AT91_PIN_PA29, 0); /* CTS0 */ ++} ++ ++static struct resource uart1_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_US1, ++ .end = AT91SAM9263_BASE_US1 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_US1, ++ .end = AT91SAM9263_ID_US1, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct atmel_uart_data uart1_data = { ++ .use_dma_tx = 1, ++ .use_dma_rx = 1, ++}; ++ ++static struct platform_device at91sam9263_uart1_device = { ++ .name = "atmel_usart", ++ .id = 2, ++ .dev = { ++ .platform_data = &uart1_data, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .resource = uart1_resources, ++ .num_resources = ARRAY_SIZE(uart1_resources), ++}; ++ ++static inline void configure_usart1_pins(void) ++{ ++ at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */ ++ at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */ ++ at91_set_B_periph(AT91_PIN_PD7, 0); /* RTS1 */ ++ at91_set_B_periph(AT91_PIN_PD8, 0); /* CTS1 */ ++} ++ ++static struct resource uart2_resources[] = { ++ [0] = { ++ .start = AT91SAM9263_BASE_US2, ++ .end = AT91SAM9263_BASE_US2 + SZ_16K - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = AT91SAM9263_ID_US2, ++ .end = AT91SAM9263_ID_US2, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct atmel_uart_data uart2_data = { ++ .use_dma_tx = 1, ++ .use_dma_rx = 1, ++}; ++ ++static struct platform_device at91sam9263_uart2_device = { ++ .name = "atmel_usart", ++ .id = 3, ++ .dev = { ++ .platform_data = &uart2_data, ++ .coherent_dma_mask = 0xffffffff, ++ }, ++ .resource = uart2_resources, ++ .num_resources = ARRAY_SIZE(uart2_resources), ++}; ++ ++static inline void configure_usart2_pins(void) ++{ ++ at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */ ++ at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */ ++ at91_set_B_periph(AT91_PIN_PD5, 0); /* RTS2 */ ++ at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */ ++} ++ ++struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ ++struct platform_device *atmel_default_console_device; /* the serial console device */ ++ ++void __init at91_init_serial(struct at91_uart_config *config) ++{ ++ int i; ++ ++ /* Fill in list of supported UARTs */ ++ for (i = 0; i < config->nr_tty; i++) { ++ switch (config->tty_map[i]) { ++ case 0: ++ configure_usart0_pins(); ++ at91_uarts[i] = &at91sam9263_uart0_device; ++ at91_clock_associate("usart0_clk", &at91sam9263_uart0_device.dev, "usart"); ++ break; ++ case 1: ++ configure_usart1_pins(); ++ at91_uarts[i] = &at91sam9263_uart1_device; ++ at91_clock_associate("usart1_clk", &at91sam9263_uart1_device.dev, "usart"); ++ break; ++ case 2: ++ configure_usart2_pins(); ++ at91_uarts[i] = &at91sam9263_uart2_device; ++ at91_clock_associate("usart2_clk", &at91sam9263_uart2_device.dev, "usart"); ++ break; ++ case 3: ++ configure_dbgu_pins(); ++ at91_uarts[i] = &at91sam9263_dbgu_device; ++ at91_clock_associate("mck", &at91sam9263_dbgu_device.dev, "usart"); ++ break; ++ default: ++ continue; ++ } ++ at91_uarts[i]->id = i; /* update ID number to mapped ID */ ++ } ++ ++ /* Set serial console device */ ++ if (config->console_tty < ATMEL_MAX_UART) ++ atmel_default_console_device = at91_uarts[config->console_tty]; ++ if (!atmel_default_console_device) ++ printk(KERN_INFO "AT91: No default serial console defined.\n"); ++} ++ ++void __init at91_add_device_serial(void) ++{ ++ int i; ++ ++ for (i = 0; i < ATMEL_MAX_UART; i++) { ++ if (at91_uarts[i]) ++ platform_device_register(at91_uarts[i]); ++ } ++} ++#else ++void __init at91_init_serial(struct at91_uart_config *config) {} ++void __init at91_add_device_serial(void) {} ++#endif ++ ++ ++/* -------------------------------------------------------------------- */ ++/* ++ * These devices are always present and don't need any board-specific ++ * setup. ++ */ ++static int __init at91_add_standard_devices(void) ++{ ++ return 0; ++} ++ ++arch_initcall(at91_add_standard_devices); +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam926x_time.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam926x_time.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/at91sam926x_time.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/at91sam926x_time.c 2007-03-24 16:39:15.000000000 +0100 +@@ -30,7 +30,6 @@ + * Returns number of microseconds since last timer interrupt. Note that interrupts + * will have been disabled by do_gettimeofday() + * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy. +- * 'tick' is usecs per jiffy (linux/timex.h). + */ + static unsigned long at91sam926x_gettimeoffset(void) + { +@@ -39,7 +38,7 @@ + + elapsed = (PIT_PICNT(t) * LATCH) + PIT_CPIV(t); /* hardware clock cycles */ + +- return (unsigned long)(elapsed * 1000000) / LATCH; ++ return (unsigned long)(elapsed * jiffies_to_usecs(1)) / LATCH; + } + + /* +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-carmeva.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-carmeva.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-carmeva.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-carmeva.c 2007-03-24 16:39:15.000000000 +0100 +@@ -134,7 +134,7 @@ + /* Compact Flash */ + // at91_add_device_cf(&carmeva_cf_data); + /* MMC */ +- at91_add_device_mmc(&carmeva_mmc_data); ++ at91_add_device_mmc(0, &carmeva_mmc_data); + } + + MACHINE_START(CARMEVA, "Carmeva") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-csb337.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-csb337.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-csb337.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-csb337.c 2007-03-24 16:39:15.000000000 +0100 +@@ -24,6 +24,8 @@ + #include <linux/module.h> + #include <linux/platform_device.h> + #include <linux/spi/spi.h> ++#include <linux/interrupt.h> ++#include <linux/mtd/physmap.h> + + #include <asm/hardware.h> + #include <asm/setup.h> +@@ -58,6 +60,7 @@ + + /* Setup the LEDs */ + at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1); ++ at91_set_gpio_output(AT91_PIN_PB2, 1); /* third (unused) LED */ + + /* Setup the serial ports and console */ + at91_init_serial(&csb337_uart_config); +@@ -112,6 +115,91 @@ + }, + }; + ++#define CSB_FLASH_BASE AT91_CHIPSELECT_0 ++#define CSB_FLASH_SIZE 0x800000 ++ ++static struct mtd_partition csb_flash_partitions[] = { ++ { ++ .name = "uMON flash", ++ .offset = 0, ++ .size = MTDPART_SIZ_FULL, ++ .mask_flags = MTD_WRITEABLE, /* read only */ ++ } ++}; ++ ++static struct physmap_flash_data csb_flash_data = { ++ .width = 2, ++ .parts = csb_flash_partitions, ++ .nr_parts = ARRAY_SIZE(csb_flash_partitions), ++}; ++ ++static struct resource csb_flash_resources[] = { ++ { ++ .start = CSB_FLASH_BASE, ++ .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++ } ++}; ++ ++static struct platform_device csb_flash = { ++ .name = "physmap-flash", ++ .id = 0, ++ .dev = { ++ .platform_data = &csb_flash_data, ++ }, ++ .resource = csb_flash_resources, ++ .num_resources = ARRAY_SIZE(csb_flash_resources), ++}; ++ ++static struct at91_gpio_led csb337_leds[] = { ++ { ++ .name = "led0", ++ .gpio = AT91_PIN_PB0, ++ .trigger = "heartbeat", ++ }, ++ { ++ .name = "led1", ++ .gpio = AT91_PIN_PB1, ++ .trigger = "timer", ++ }, ++ { ++ .name = "led2", ++ .gpio = AT91_PIN_PB2, ++ } ++}; ++ ++#if defined(CONFIG_CSB300_WAKE_SW0) || defined(CONFIG_CSB300_WAKE_SW1) ++static irqreturn_t switch_irq_handler(int irq, void *context) ++{ ++ return IRQ_HANDLED; ++} ++ ++static inline void __init switch_irq_setup(int irq, char *name, unsigned long mode) ++{ ++ int res; ++ ++ res = request_irq(irq, switch_irq_handler, IRQF_SAMPLE_RANDOM | mode, name, NULL); ++ if (res == 0) ++ enable_irq_wake(irq); ++} ++ ++static void __init csb300_switches(void) ++{ ++#ifdef CONFIG_CSB300_WAKE_SW0 ++ at91_set_A_periph(AT91_PIN_PB29, 1); /* IRQ0 */ ++ switch_irq_setup(AT91RM9200_ID_IRQ0, "csb300_sw0", IRQF_TRIGGER_FALLING); ++#endif ++#ifdef CONFIG_CSB300_WAKE_SW1 ++ at91_set_gpio_input(AT91_PIN_PB28, 1); ++ at91_set_deglitch(AT91_PIN_PB28, 1); ++ switch_irq_setup(AT91_PIN_PB28, "csb300_sw1", IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING); ++#endif ++ /* there's also SW2 at PA21, GPIO or TIOA2 */ ++} ++#else ++static void __init csb300_switches(void) {} ++#endif ++ + static void __init csb337_board_init(void) + { + /* Serial */ +@@ -130,7 +218,13 @@ + /* SPI */ + at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices)); + /* MMC */ +- at91_add_device_mmc(&csb337_mmc_data); ++ at91_add_device_mmc(0, &csb337_mmc_data); ++ /* LEDS */ ++ at91_gpio_leds(csb337_leds, ARRAY_SIZE(csb337_leds)); ++ /* NOR flash */ ++ platform_device_register(&csb_flash); ++ /* Switches on CSB300 */ ++ csb300_switches(); + } + + MACHINE_START(CSB337, "Cogent CSB337") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-csb637.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-csb637.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-csb637.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-csb637.c 2007-03-24 16:39:15.000000000 +0100 +@@ -23,6 +23,7 @@ + #include <linux/mm.h> + #include <linux/module.h> + #include <linux/platform_device.h> ++#include <linux/mtd/physmap.h> + + #include <asm/hardware.h> + #include <asm/setup.h> +@@ -81,6 +82,42 @@ + .pullup_pin = AT91_PIN_PB1, + }; + ++#define CSB_FLASH_BASE AT91_CHIPSELECT_0 ++#define CSB_FLASH_SIZE 0x1000000 ++ ++static struct mtd_partition csb_flash_partitions[] = { ++ { ++ .name = "uMON flash", ++ .offset = 0, ++ .size = MTDPART_SIZ_FULL, ++ .mask_flags = MTD_WRITEABLE, /* read only */ ++ } ++}; ++ ++static struct physmap_flash_data csb_flash_data = { ++ .width = 2, ++ .parts = csb_flash_partitions, ++ .nr_parts = ARRAY_SIZE(csb_flash_partitions), ++}; ++ ++static struct resource csb_flash_resources[] = { ++ { ++ .start = CSB_FLASH_BASE, ++ .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++ } ++}; ++ ++static struct platform_device csb_flash = { ++ .name = "physmap-flash", ++ .id = 0, ++ .dev = { ++ .platform_data = &csb_flash_data, ++ }, ++ .resource = csb_flash_resources, ++ .num_resources = ARRAY_SIZE(csb_flash_resources), ++}; ++ + static void __init csb637_board_init(void) + { + /* Serial */ +@@ -95,6 +132,8 @@ + at91_add_device_i2c(); + /* SPI */ + at91_add_device_spi(NULL, 0); ++ /* NOR flash */ ++ platform_device_register(&csb_flash); + } + + MACHINE_START(CSB637, "Cogent CSB637") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-dk.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-dk.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-dk.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-dk.c 2007-03-24 16:39:15.000000000 +0100 +@@ -73,6 +73,185 @@ + at91rm9200_init_interrupts(NULL); + } + ++#if defined(CONFIG_FB_S1D13XXX) || defined(CONFIG_FB_S1D13XXX_MODULE) ++#include <video/s1d13xxxfb.h> ++#include <asm/arch/ics1523.h> ++ ++/* EPSON S1D13806 FB */ ++#define AT91_FB_REG_BASE 0x30000000L ++#define AT91_FB_REG_SIZE 0x200 ++#define AT91_FB_VMEM_BASE 0x30200000L ++#define AT91_FB_VMEM_SIZE 0x140000L ++ ++static void __init dk_init_video(void) ++{ ++ /* NWAIT Signal */ ++ at91_set_A_periph(AT91_PIN_PC6, 0); ++ ++ /* Initialization of the Static Memory Controller for Chip Select 2 */ ++ at91_sys_write(AT91_SMC_CSR(2), AT91_SMC_DBW_16 /* 16 bit */ ++ | AT91_SMC_WSEN | AT91_SMC_NWS_(4) /* wait states */ ++ | AT91_SMC_TDF_(1) /* float time */ ++ ); ++ ++ at91_ics1523_init(); ++} ++ ++/* CRT: (active) 640x480 60Hz (PCLK=CLKI=25.175MHz) ++ Memory: Embedded SDRAM (MCLK=CLKI3=50.000MHz) (BUSCLK=60.000MHz) */ ++static const struct s1d13xxxfb_regval dk_s1dfb_initregs[] = { ++ {S1DREG_MISC, 0x00}, /* Enable Memory/Register select bit */ ++ {S1DREG_COM_DISP_MODE, 0x00}, /* disable display output */ ++ {S1DREG_GPIO_CNF0, 0x00}, ++ {S1DREG_GPIO_CNF1, 0x00}, ++ {S1DREG_GPIO_CTL0, 0x08}, ++ {S1DREG_GPIO_CTL1, 0x00}, ++ {S1DREG_CLK_CNF, 0x01}, /* no divide, MCLK source is CLKI3 0x02*/ ++ {S1DREG_LCD_CLK_CNF, 0x00}, ++ {S1DREG_CRT_CLK_CNF, 0x00}, ++ {S1DREG_MPLUG_CLK_CNF, 0x00}, ++ {S1DREG_CPU2MEM_WST_SEL, 0x01}, /* 2*period(MCLK) - 4ns > period(BCLK) */ ++ {S1DREG_SDRAM_REF_RATE, 0x03}, /* 32768 <= MCLK <= 50000 (MHz) */ ++ {S1DREG_SDRAM_TC0, 0x00}, /* MCLK source freq (MHz): */ ++ {S1DREG_SDRAM_TC1, 0x01}, /* 42 <= MCLK <= 50 */ ++ {S1DREG_MEM_CNF, 0x80}, /* SDRAM Initialization - needed before mem access */ ++ {S1DREG_PANEL_TYPE, 0x25}, /* std TFT 16bit, 8bit SCP format 2, single passive LCD */ ++ {S1DREG_MOD_RATE, 0x00}, /* toggle every FPFRAME */ ++ {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* 680 pix */ ++ {S1DREG_LCD_NDISP_HPER, 0x12}, /* 152 pix */ ++ {S1DREG_TFT_FPLINE_START, 0x01}, /* 13 pix */ ++ {S1DREG_TFT_FPLINE_PWIDTH, 0x0B}, /* 96 pix */ ++ {S1DREG_LCD_DISP_VHEIGHT0, 0xDF}, ++ {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* 480 lines */ ++ {S1DREG_LCD_NDISP_VPER, 0x2C}, /* 44 lines */ ++ {S1DREG_TFT_FPFRAME_START, 0x0A}, /* 10 lines */ ++ {S1DREG_TFT_FPFRAME_PWIDTH, 0x01}, /* 2 lines */ ++ {S1DREG_LCD_DISP_MODE, 0x05}, /* 16 bpp */ ++ {S1DREG_LCD_MISC, 0x00}, /* dithering enabled, dual panel buffer enabled */ ++ {S1DREG_LCD_DISP_START0, 0x00}, ++ {S1DREG_LCD_DISP_START1, 0xC8}, ++ {S1DREG_LCD_DISP_START2, 0x00}, ++ {S1DREG_LCD_MEM_OFF0, 0x80}, ++ {S1DREG_LCD_MEM_OFF1, 0x02}, ++ {S1DREG_LCD_PIX_PAN, 0x00}, ++ {S1DREG_LCD_DISP_FIFO_HTC, 0x3B}, ++ {S1DREG_LCD_DISP_FIFO_LTC, 0x3C}, ++ {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* 680 pix */ ++ {S1DREG_CRT_NDISP_HPER, 0x13}, /* 160 pix */ ++ {S1DREG_CRT_HRTC_START, 0x01}, /* 13 pix */ ++ {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* 96 pix */ ++ {S1DREG_CRT_DISP_VHEIGHT0, 0xDF}, ++ {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* 480 lines */ ++ {S1DREG_CRT_NDISP_VPER, 0x2B}, /* 44 lines */ ++ {S1DREG_CRT_VRTC_START, 0x09}, /* 10 lines */ ++ {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* 2 lines */ ++ {S1DREG_TV_OUT_CTL, 0x10}, ++ {S1DREG_CRT_DISP_MODE, 0x05}, /* 16 bpp */ ++ {S1DREG_CRT_DISP_START0, 0x00}, ++ {S1DREG_CRT_DISP_START1, 0x00}, ++ {S1DREG_CRT_DISP_START2, 0x00}, ++ {S1DREG_CRT_MEM_OFF0, 0x80}, ++ {S1DREG_CRT_MEM_OFF1, 0x02}, ++ {S1DREG_CRT_PIX_PAN, 0x00}, ++ {S1DREG_CRT_DISP_FIFO_HTC, 0x3B}, ++ {S1DREG_CRT_DISP_FIFO_LTC, 0x3C}, ++ {S1DREG_LCD_CUR_CTL, 0x00}, /* inactive */ ++ {S1DREG_LCD_CUR_START, 0x01}, ++ {S1DREG_LCD_CUR_XPOS0, 0x00}, ++ {S1DREG_LCD_CUR_XPOS1, 0x00}, ++ {S1DREG_LCD_CUR_YPOS0, 0x00}, ++ {S1DREG_LCD_CUR_YPOS1, 0x00}, ++ {S1DREG_LCD_CUR_BCTL0, 0x00}, ++ {S1DREG_LCD_CUR_GCTL0, 0x00}, ++ {S1DREG_LCD_CUR_RCTL0, 0x00}, ++ {S1DREG_LCD_CUR_BCTL1, 0x1F}, ++ {S1DREG_LCD_CUR_GCTL1, 0x3F}, ++ {S1DREG_LCD_CUR_RCTL1, 0x1F}, ++ {S1DREG_LCD_CUR_FIFO_HTC, 0x00}, ++ {S1DREG_CRT_CUR_CTL, 0x00}, /* inactive */ ++ {S1DREG_CRT_CUR_START, 0x01}, ++ {S1DREG_CRT_CUR_XPOS0, 0x00}, ++ {S1DREG_CRT_CUR_XPOS1, 0x00}, ++ {S1DREG_CRT_CUR_YPOS0, 0x00}, ++ {S1DREG_CRT_CUR_YPOS1, 0x00}, ++ {S1DREG_CRT_CUR_BCTL0, 0x00}, ++ {S1DREG_CRT_CUR_GCTL0, 0x00}, ++ {S1DREG_CRT_CUR_RCTL0, 0x00}, ++ {S1DREG_CRT_CUR_BCTL1, 0x1F}, ++ {S1DREG_CRT_CUR_GCTL1, 0x3F}, ++ {S1DREG_CRT_CUR_RCTL1, 0x1F}, ++ {S1DREG_CRT_CUR_FIFO_HTC, 0x00}, ++ {S1DREG_BBLT_CTL0, 0x00}, ++ {S1DREG_BBLT_CTL0, 0x00}, ++ {S1DREG_BBLT_CC_EXP, 0x00}, ++ {S1DREG_BBLT_OP, 0x00}, ++ {S1DREG_BBLT_SRC_START0, 0x00}, ++ {S1DREG_BBLT_SRC_START1, 0x00}, ++ {S1DREG_BBLT_SRC_START2, 0x00}, ++ {S1DREG_BBLT_DST_START0, 0x00}, ++ {S1DREG_BBLT_DST_START1, 0x00}, ++ {S1DREG_BBLT_DST_START2, 0x00}, ++ {S1DREG_BBLT_MEM_OFF0, 0x00}, ++ {S1DREG_BBLT_MEM_OFF1, 0x00}, ++ {S1DREG_BBLT_WIDTH0, 0x00}, ++ {S1DREG_BBLT_WIDTH1, 0x00}, ++ {S1DREG_BBLT_HEIGHT0, 0x00}, ++ {S1DREG_BBLT_HEIGHT1, 0x00}, ++ {S1DREG_BBLT_BGC0, 0x00}, ++ {S1DREG_BBLT_BGC1, 0x00}, ++ {S1DREG_BBLT_FGC0, 0x00}, ++ {S1DREG_BBLT_FGC1, 0x00}, ++ {S1DREG_LKUP_MODE, 0x00}, /* LCD LUT r | LCD and CRT/TV LUT w */ ++ {S1DREG_LKUP_ADDR, 0x00}, ++ {S1DREG_PS_CNF, 0x00}, /* Power Save disable */ ++ {S1DREG_PS_STATUS, 0x02}, /* LCD Panel down, mem up */ ++ {S1DREG_CPU2MEM_WDOGT, 0x00}, ++ {S1DREG_COM_DISP_MODE, 0x02}, /* enable CRT display output */ ++}; ++ ++static struct s1d13xxxfb_pdata dk_s1dfb_pdata = { ++ .initregs = dk_s1dfb_initregs, ++ .initregssize = ARRAY_SIZE(dk_s1dfb_initregs), ++ .platform_init_video = dk_init_video, ++}; ++ ++static u64 s1dfb_dmamask = 0xffffffffUL; ++ ++static struct resource dk_s1dfb_resource[] = { ++ [0] = { /* video mem */ ++ .name = "s1d13806 memory", ++ .start = AT91_FB_VMEM_BASE, ++ .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { /* video registers */ ++ .name = "s1d13806 registers", ++ .start = AT91_FB_REG_BASE, ++ .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1, ++ .flags = IORESOURCE_MEM, ++ }, ++}; ++ ++static struct platform_device dk_s1dfb_device = { ++ .name = "s1d13806fb", ++ .id = -1, ++ .dev = { ++ .dma_mask = &s1dfb_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &dk_s1dfb_pdata, ++ }, ++ .resource = dk_s1dfb_resource, ++ .num_resources = ARRAY_SIZE(dk_s1dfb_resource), ++}; ++ ++static void __init dk_add_device_video(void) ++{ ++ platform_device_register(&dk_s1dfb_device); ++} ++#else ++static void __init dk_add_device_video(void) {} ++#endif ++ + static struct at91_eth_data __initdata dk_eth_data = { + .phy_irq_pin = AT91_PIN_PC4, + .is_rmii = 1, +@@ -151,7 +330,7 @@ + #define DK_FLASH_SIZE 0x200000 + + static struct physmap_flash_data dk_flash_data = { +- .width = 2, ++ .width = 2, + }; + + static struct resource dk_flash_resource = { +@@ -170,6 +349,13 @@ + .num_resources = 1, + }; + ++static struct at91_gpio_led dk_leds[] = { ++ { ++ .name = "led0", ++ .gpio = AT91_PIN_PB2, ++ .trigger = "timer", ++ } ++}; + + static void __init dk_board_init(void) + { +@@ -194,14 +380,16 @@ + #else + /* MMC */ + at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ +- at91_add_device_mmc(&dk_mmc_data); ++ at91_add_device_mmc(0, &dk_mmc_data); + #endif + /* NAND */ + at91_add_device_nand(&dk_nand_data); + /* NOR Flash */ + platform_device_register(&dk_flash); ++ /* LEDs */ ++ at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds)); + /* VGA */ +-// dk_add_device_video(); ++ dk_add_device_video(); + } + + MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-eb9200.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-eb9200.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-eb9200.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-eb9200.c 2007-03-24 16:39:15.000000000 +0100 +@@ -109,7 +109,7 @@ + at91_add_device_spi(NULL, 0); + /* MMC */ + /* only supports 1 or 4 bit interface, not wired through to SPI */ +- at91_add_device_mmc(&eb9200_mmc_data); ++ at91_add_device_mmc(0, &eb9200_mmc_data); + } + + MACHINE_START(ATEB9200, "Embest ATEB9200") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-ek.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-ek.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-ek.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-ek.c 2007-03-24 16:39:15.000000000 +0100 +@@ -73,6 +73,187 @@ + at91rm9200_init_interrupts(NULL); + } + ++#if defined(CONFIG_FB_S1D13XXX) || defined(CONFIG_FB_S1D13XXX_MODULE) ++#include <video/s1d13xxxfb.h> ++#include <asm/arch/ics1523.h> ++ ++/* EPSON S1D13806 FB */ ++#define AT91_FB_REG_BASE 0x40000000L ++#define AT91_FB_REG_SIZE 0x200 ++#define AT91_FB_VMEM_BASE 0x40200000L ++#define AT91_FB_VMEM_SIZE 0x140000L ++ ++static void __init ek_init_video(void) ++{ ++ /* NWAIT Signal */ ++ at91_set_A_periph(AT91_PIN_PC6, 0); ++ ++ /* Initialization of the Static Memory Controller for Chip Select 3 */ ++ at91_sys_write(AT91_SMC_CSR(3), AT91_SMC_DBW_16 /* 16 bit */ ++ | AT91_SMC_WSEN | AT91_SMC_NWS_(5) /* wait states */ ++ | AT91_SMC_TDF_(1) /* float time */ ++ ); ++ ++ at91_ics1523_init(); ++} ++ ++/* CRT: (active) 640x480 60Hz (PCLK=CLKI=25.175MHz) ++ Memory: Embedded SDRAM (MCLK=CLKI3=50.000MHz) (BUSCLK=60.000MHz) */ ++static const struct s1d13xxxfb_regval ek_s1dfb_initregs[] = { ++ {S1DREG_MISC, 0x00}, /* Enable Memory/Register select bit */ ++ {S1DREG_COM_DISP_MODE, 0x00}, /* disable display output */ ++ {S1DREG_GPIO_CNF0, 0xFF}, // 0x00 ++ {S1DREG_GPIO_CNF1, 0x1F}, // 0x08 ++ {S1DREG_GPIO_CTL0, 0x00}, ++ {S1DREG_GPIO_CTL1, 0x00}, ++ {S1DREG_CLK_CNF, 0x01}, /* no divide, MCLK source is CLKI3 0x02*/ ++ {S1DREG_LCD_CLK_CNF, 0x00}, ++ {S1DREG_CRT_CLK_CNF, 0x00}, ++ {S1DREG_MPLUG_CLK_CNF, 0x00}, ++ {S1DREG_CPU2MEM_WST_SEL, 0x01}, /* 2*period(MCLK) - 4ns > period(BCLK) */ ++ {S1DREG_SDRAM_REF_RATE, 0x03}, /* 32768 <= MCLK <= 50000 (MHz) */ ++ {S1DREG_SDRAM_TC0, 0x00}, /* MCLK source freq (MHz): */ ++ {S1DREG_SDRAM_TC1, 0x01}, /* 42 <= MCLK <= 50 */ ++ {S1DREG_MEM_CNF, 0x80}, /* SDRAM Initialization - needed before mem access */ ++ {S1DREG_PANEL_TYPE, 0x25}, /* std TFT 16bit, 8bit SCP format 2, single passive LCD */ ++ {S1DREG_MOD_RATE, 0x00}, /* toggle every FPFRAME */ ++ {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* 680 pix */ ++ {S1DREG_LCD_NDISP_HPER, 0x12}, /* 152 pix */ ++ {S1DREG_TFT_FPLINE_START, 0x01}, /* 13 pix */ ++ {S1DREG_TFT_FPLINE_PWIDTH, 0x0B}, /* 96 pix */ ++ {S1DREG_LCD_DISP_VHEIGHT0, 0xDF}, ++ {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* 480 lines */ ++ {S1DREG_LCD_NDISP_VPER, 0x2C}, /* 44 lines */ ++ {S1DREG_TFT_FPFRAME_START, 0x0A}, /* 10 lines */ ++ {S1DREG_TFT_FPFRAME_PWIDTH, 0x01}, /* 2 lines */ ++ {S1DREG_LCD_DISP_MODE, 0x05}, /* 16 bpp */ ++ {S1DREG_LCD_MISC, 0x00}, /* dithering enabled, dual panel buffer enabled */ ++ {S1DREG_LCD_DISP_START0, 0x00}, ++ {S1DREG_LCD_DISP_START1, 0xC8}, ++ {S1DREG_LCD_DISP_START2, 0x00}, ++ {S1DREG_LCD_MEM_OFF0, 0x80}, ++ {S1DREG_LCD_MEM_OFF1, 0x02}, ++ {S1DREG_LCD_PIX_PAN, 0x00}, ++ {S1DREG_LCD_DISP_FIFO_HTC, 0x3B}, ++ {S1DREG_LCD_DISP_FIFO_LTC, 0x3C}, ++ {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* 680 pix */ ++ {S1DREG_CRT_NDISP_HPER, 0x13}, /* 160 pix */ ++ {S1DREG_CRT_HRTC_START, 0x01}, /* 13 pix */ ++ {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* 96 pix */ ++ {S1DREG_CRT_DISP_VHEIGHT0, 0xDF}, ++ {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* 480 lines */ ++ {S1DREG_CRT_NDISP_VPER, 0x2B}, /* 44 lines */ ++ {S1DREG_CRT_VRTC_START, 0x09}, /* 10 lines */ ++ {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* 2 lines */ ++ {S1DREG_TV_OUT_CTL, 0x10}, ++ {0x005E, 0x9F}, ++ {0x005F, 0x00}, ++ {S1DREG_CRT_DISP_MODE, 0x05}, /* 16 bpp */ ++ {S1DREG_CRT_DISP_START0, 0x00}, ++ {S1DREG_CRT_DISP_START1, 0x00}, ++ {S1DREG_CRT_DISP_START2, 0x00}, ++ {S1DREG_CRT_MEM_OFF0, 0x80}, ++ {S1DREG_CRT_MEM_OFF1, 0x02}, ++ {S1DREG_CRT_PIX_PAN, 0x00}, ++ {S1DREG_CRT_DISP_FIFO_HTC, 0x3B}, ++ {S1DREG_CRT_DISP_FIFO_LTC, 0x3C}, ++ {S1DREG_LCD_CUR_CTL, 0x00}, /* inactive */ ++ {S1DREG_LCD_CUR_START, 0x01}, ++ {S1DREG_LCD_CUR_XPOS0, 0x00}, ++ {S1DREG_LCD_CUR_XPOS1, 0x00}, ++ {S1DREG_LCD_CUR_YPOS0, 0x00}, ++ {S1DREG_LCD_CUR_YPOS1, 0x00}, ++ {S1DREG_LCD_CUR_BCTL0, 0x00}, ++ {S1DREG_LCD_CUR_GCTL0, 0x00}, ++ {S1DREG_LCD_CUR_RCTL0, 0x00}, ++ {S1DREG_LCD_CUR_BCTL1, 0x1F}, ++ {S1DREG_LCD_CUR_GCTL1, 0x3F}, ++ {S1DREG_LCD_CUR_RCTL1, 0x1F}, ++ {S1DREG_LCD_CUR_FIFO_HTC, 0x00}, ++ {S1DREG_CRT_CUR_CTL, 0x00}, /* inactive */ ++ {S1DREG_CRT_CUR_START, 0x01}, ++ {S1DREG_CRT_CUR_XPOS0, 0x00}, ++ {S1DREG_CRT_CUR_XPOS1, 0x00}, ++ {S1DREG_CRT_CUR_YPOS0, 0x00}, ++ {S1DREG_CRT_CUR_YPOS1, 0x00}, ++ {S1DREG_CRT_CUR_BCTL0, 0x00}, ++ {S1DREG_CRT_CUR_GCTL0, 0x00}, ++ {S1DREG_CRT_CUR_RCTL0, 0x00}, ++ {S1DREG_CRT_CUR_BCTL1, 0x1F}, ++ {S1DREG_CRT_CUR_GCTL1, 0x3F}, ++ {S1DREG_CRT_CUR_RCTL1, 0x1F}, ++ {S1DREG_CRT_CUR_FIFO_HTC, 0x00}, ++ {S1DREG_BBLT_CTL0, 0x00}, ++ {S1DREG_BBLT_CTL0, 0x00}, ++ {S1DREG_BBLT_CC_EXP, 0x00}, ++ {S1DREG_BBLT_OP, 0x00}, ++ {S1DREG_BBLT_SRC_START0, 0x00}, ++ {S1DREG_BBLT_SRC_START1, 0x00}, ++ {S1DREG_BBLT_SRC_START2, 0x00}, ++ {S1DREG_BBLT_DST_START0, 0x00}, ++ {S1DREG_BBLT_DST_START1, 0x00}, ++ {S1DREG_BBLT_DST_START2, 0x00}, ++ {S1DREG_BBLT_MEM_OFF0, 0x00}, ++ {S1DREG_BBLT_MEM_OFF1, 0x00}, ++ {S1DREG_BBLT_WIDTH0, 0x00}, ++ {S1DREG_BBLT_WIDTH1, 0x00}, ++ {S1DREG_BBLT_HEIGHT0, 0x00}, ++ {S1DREG_BBLT_HEIGHT1, 0x00}, ++ {S1DREG_BBLT_BGC0, 0x00}, ++ {S1DREG_BBLT_BGC1, 0x00}, ++ {S1DREG_BBLT_FGC0, 0x00}, ++ {S1DREG_BBLT_FGC1, 0x00}, ++ {S1DREG_LKUP_MODE, 0x00}, /* LCD LUT r | LCD and CRT/TV LUT w */ ++ {S1DREG_LKUP_ADDR, 0x00}, ++ {S1DREG_PS_CNF, 0x10}, /* Power Save disable */ ++ {S1DREG_PS_STATUS, 0x02}, /* LCD Panel down, mem up */ ++ {S1DREG_CPU2MEM_WDOGT, 0x00}, ++ {S1DREG_COM_DISP_MODE, 0x02}, /* enable CRT display output */ ++}; ++ ++static struct s1d13xxxfb_pdata ek_s1dfb_pdata = { ++ .initregs = ek_s1dfb_initregs, ++ .initregssize = ARRAY_SIZE(ek_s1dfb_initregs), ++ .platform_init_video = ek_init_video, ++}; ++ ++static u64 s1dfb_dmamask = 0xffffffffUL; ++ ++static struct resource ek_s1dfb_resource[] = { ++ [0] = { /* video mem */ ++ .name = "s1d13806 memory", ++ .start = AT91_FB_VMEM_BASE, ++ .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { /* video registers */ ++ .name = "s1d13806 registers", ++ .start = AT91_FB_REG_BASE, ++ .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1, ++ .flags = IORESOURCE_MEM, ++ }, ++}; ++ ++static struct platform_device ek_s1dfb_device = { ++ .name = "s1d13806fb", ++ .id = -1, ++ .dev = { ++ .dma_mask = &s1dfb_dmamask, ++ .coherent_dma_mask = 0xffffffff, ++ .platform_data = &ek_s1dfb_pdata, ++ }, ++ .resource = ek_s1dfb_resource, ++ .num_resources = ARRAY_SIZE(ek_s1dfb_resource), ++}; ++ ++static void __init ek_add_device_video(void) ++{ ++ platform_device_register(&ek_s1dfb_device); ++} ++#else ++static void __init ek_add_device_video(void) {} ++#endif ++ + static struct at91_eth_data __initdata ek_eth_data = { + .phy_irq_pin = AT91_PIN_PC4, + .is_rmii = 1, +@@ -113,7 +294,7 @@ + #define EK_FLASH_SIZE 0x200000 + + static struct physmap_flash_data ek_flash_data = { +- .width = 2, ++ .width = 2, + }; + + static struct resource ek_flash_resource = { +@@ -132,6 +313,18 @@ + .num_resources = 1, + }; + ++static struct at91_gpio_led ek_leds[] = { ++ { ++ .name = "led0", ++ .gpio = AT91_PIN_PB1, ++ .trigger = "heartbeat", ++ }, ++ { ++ .name = "led1", ++ .gpio = AT91_PIN_PB2, ++ .trigger = "timer", ++ } ++}; + + static void __init ek_board_init(void) + { +@@ -154,12 +347,14 @@ + #else + /* MMC */ + at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ +- at91_add_device_mmc(&ek_mmc_data); ++ at91_add_device_mmc(0, &ek_mmc_data); + #endif + /* NOR Flash */ + platform_device_register(&ek_flash); ++ /* LEDs */ ++ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* VGA */ +-// ek_add_device_video(); ++ ek_add_device_video(); + } + + MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-kb9202.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-kb9202.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-kb9202.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-kb9202.c 2007-03-24 16:39:15.000000000 +0100 +@@ -122,7 +122,7 @@ + /* USB Device */ + at91_add_device_udc(&kb9202_udc_data); + /* MMC */ +- at91_add_device_mmc(&kb9202_mmc_data); ++ at91_add_device_mmc(0, &kb9202_mmc_data); + /* I2C */ + at91_add_device_i2c(); + /* SPI */ +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-sam9260ek.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-sam9260ek.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-sam9260ek.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-sam9260ek.c 2007-03-24 16:39:15.000000000 +0100 +@@ -1,5 +1,5 @@ + /* +- * linux/arch/arm/mach-at91rm9200/board-ek.c ++ * linux/arch/arm/mach-at91rm9200/board-sam9260ek.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel +@@ -118,7 +118,7 @@ + /* + * MACB Ethernet device + */ +-static struct __initdata eth_platform_data ek_macb_data = { ++static struct __initdata at91_eth_data ek_macb_data = { + .phy_irq_pin = AT91_PIN_PA7, + .is_rmii = 1, + }; +@@ -187,7 +187,7 @@ + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* MMC */ +- at91_add_device_mmc(&ek_mmc_data); ++ at91_add_device_mmc(0, &ek_mmc_data); + } + + MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-sam9261ek.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-sam9261ek.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-sam9261ek.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-sam9261ek.c 2007-03-24 16:39:15.000000000 +0100 +@@ -1,5 +1,5 @@ + /* +- * linux/arch/arm/mach-at91rm9200/board-ek.c ++ * linux/arch/arm/mach-at91rm9200/board-sam9261ek.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel +@@ -26,6 +26,11 @@ + #include <linux/platform_device.h> + #include <linux/spi/spi.h> + #include <linux/dm9000.h> ++#include <linux/spi/ads7846.h> ++#include <linux/fb.h> ++#include <linux/clk.h> ++ ++#include <video/atmel_lcdc.h> + + #include <asm/hardware.h> + #include <asm/setup.h> +@@ -148,6 +153,42 @@ + + + /* ++ * Touchscreen ads7843 ++ */ ++#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) ++ ++int ads7843_pendown_state(void) ++{ ++ return !at91_get_gpio_value(AT91_PIN_PC2); ++} ++ ++static struct ads7846_platform_data ads_info = { ++ .model = 7843, ++ .x_min = 150, .x_max = 3830, ++ .y_min = 190, .y_max = 3830, ++ .vref_delay_usecs = 100, ++ .x_plate_ohms = 450, ++ .y_plate_ohms = 250, ++ .pressure_max = 15000, ++ .debounce_max = 1, ++ .debounce_rep = 0, ++ .debounce_tol = (~0), ++ .get_pendown_state = ads7843_pendown_state, ++}; ++ ++void __init at91_add_device_ts(void) ++{ ++ /* Configure Interrupt 1 as external IRQ, with pullup */ ++ at91_set_B_periph(AT91_PIN_PC2, 1); /* IRQ0 */ ++ /* ts busy */ ++ at91_set_gpio_input(AT91_PIN_PA11, 1); ++} ++#else ++void __init at91_add_device_ts(void) {} ++#endif ++ ++ ++/* + * MCI (SD/MMC) + */ + static struct at91_mmc_data __initdata ek_mmc_data = { +@@ -204,6 +245,17 @@ + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + }, ++#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) ++ { ++ .modalias = "ads7846", ++ .chip_select = 2, ++ .max_speed_hz = 125000 /* max sample rate at 3V */ ++ * 26, /* command + data + overhead */ ++ .bus_num = 0, ++ .platform_data = &ads_info, ++ .irq = AT91SAM9261_ID_IRQ0, ++ }, ++#endif + #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) + { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */ + .modalias = "mtd_dataflash", +@@ -222,6 +274,64 @@ + }; + + ++/* ++ * LCD Controller ++ */ ++#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) ++static struct fb_videomode at91_tft_vga_modes[] = { ++ { ++ .name = "TX09D50VM1CCA @ 60", ++ .refresh = 60, ++ .xres = 240, .yres = 320, ++ .pixclock = KHZ2PICOS(4965), ++ ++ .left_margin = 1, .right_margin = 33, ++ .upper_margin = 1, .lower_margin = 0, ++ .hsync_len = 5, .vsync_len = 1, ++ ++ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, ++ .vmode = FB_VMODE_NONINTERLACED, ++ }, ++}; ++ ++static struct fb_monspecs at91fb_default_monspecs = { ++ .manufacturer = "HIT", ++ .monitor = "TX09D50VM1CCA", ++ ++ .modedb = at91_tft_vga_modes, ++ .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), ++ .hfmin = 15000, ++ .hfmax = 64000, ++ .vfmin = 50, ++ .vfmax = 150, ++}; ++ ++/* Driver defaults */ ++#define AT91SAM9261_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ ++ | ATMEL_LCDC_DISTYPE_TFT \ ++ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) ++ ++#define AT91SAM9261_DEFAULT_FB_FLAGS (FBINFO_DEFAULT \ ++ | FBINFO_PARTIAL_PAN_OK \ ++ | FBINFO_HWACCEL_XPAN \ ++ | FBINFO_HWACCEL_YPAN) ++ ++/* Driver datas */ ++static struct atmel_lcdfb_info __initdata ek_lcdc_data = { ++ .default_bpp = 16, ++ .default_dmacon = ATMEL_LCDC_DMAEN, ++ .default_lcdcon2 = AT91SAM9261_DEFAULT_LCDCON2, ++ .default_monspecs = &at91fb_default_monspecs, ++ .default_flags = AT91SAM9261_DEFAULT_FB_FLAGS, ++ .power_control_pin = AT91_PIN_PA12, ++ .guard_time = 1, ++}; ++ ++#else ++static struct atmel_lcdfb_info __initdata ek_lcdc_data; ++#endif ++ ++ + static void __init ek_board_init(void) + { + /* Serial */ +@@ -243,8 +353,12 @@ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + #else + /* MMC */ +- at91_add_device_mmc(&ek_mmc_data); ++ at91_add_device_mmc(0, &ek_mmc_data); + #endif ++ /* LCD Controller */ ++ at91_add_device_lcdc(&ek_lcdc_data); ++ /* Touchscreen */ ++ at91_add_device_ts(); + } + + MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK") +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-sam9263ek.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-sam9263ek.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/board-sam9263ek.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/board-sam9263ek.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,297 @@ ++/* ++ * linux/arch/arm/mach-at91rm9200/board-sam9263ek.c ++ * ++ * Copyright (C) 2005 SAN People ++ * Copyright (C) 2007 Atmel Corporation. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#include <linux/types.h> ++#include <linux/init.h> ++#include <linux/mm.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/spi/spi.h> ++#include <linux/spi/ads7846.h> ++#include <linux/fb.h> ++#include <linux/clk.h> ++ ++#include <video/atmel_lcdc.h> ++ ++#include <asm/hardware.h> ++#include <asm/setup.h> ++#include <asm/mach-types.h> ++#include <asm/irq.h> ++ ++#include <asm/mach/arch.h> ++#include <asm/mach/map.h> ++#include <asm/mach/irq.h> ++ ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++#include <asm/arch/at91sam926x_mc.h> ++ ++#include "generic.h" ++ ++ ++/* ++ * Serial port configuration. ++ * 0 .. 2 = USART0 .. USART2 ++ * 3 = DBGU ++ */ ++static struct at91_uart_config __initdata ek_uart_config = { ++ .console_tty = 0, /* ttyS0 */ ++ .nr_tty = 2, ++ .tty_map = { 3, 0, -1, -1, } /* ttyS0, ..., ttyS3 */ ++}; ++ ++static void __init ek_map_io(void) ++{ ++ /* Initialize processor: 16.367 MHz crystal */ ++ at91sam9263_initialize(16367660); ++ ++ /* Setup the serial ports and console */ ++ at91_init_serial(&ek_uart_config); ++} ++ ++static void __init ek_init_irq(void) ++{ ++ at91sam9263_init_interrupts(NULL); ++} ++ ++ ++/* ++ * USB Host port ++ */ ++static struct at91_usbh_data __initdata ek_usbh_data = { ++ .ports = 2, ++ .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 }, ++}; ++ ++/* ++ * USB Device port ++ */ ++static struct at91_udc_data __initdata ek_udc_data = { ++ .vbus_pin = AT91_PIN_PA25, ++ .pullup_pin = 0, /* pull-up driven by UDC */ ++}; ++ ++/* ++ * Touchscreen ads7843 ++ */ ++#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) ++ ++int ads7843_pendown_state(void) ++{ ++ return !at91_get_gpio_value(AT91_PIN_PA15); ++} ++ ++static struct ads7846_platform_data ads_info = { ++ .model = 7843, ++ .x_min = 150, .x_max = 3830, ++ .y_min = 190, .y_max = 3830, ++ .vref_delay_usecs = 100, ++ .x_plate_ohms = 450, ++ .y_plate_ohms = 250, ++ .pressure_max = 15000, ++ .debounce_max = 1, ++ .debounce_rep = 0, ++ .debounce_tol = (~0), ++ .get_pendown_state = ads7843_pendown_state, ++}; ++ ++void __init at91_add_device_ts(void) ++{ ++ /* Configure Interrupt 1 as external IRQ, with pullup */ ++ at91_set_B_periph(AT91_PIN_PA15, 1); /* IRQ1 */ ++ /* ts busy */ ++ at91_set_gpio_input(AT91_PIN_PA31, 1); ++} ++#else ++void __init at91_add_device_ts(void) {} ++#endif ++ ++/* ++ * SPI devices. ++ */ ++static struct spi_board_info ek_spi_devices[] = { ++#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) ++ { /* DataFlash card */ ++ .modalias = "mtd_dataflash", ++ .chip_select = 0, ++ .max_speed_hz = 15 * 1000 * 1000, ++ .bus_num = 0, ++ }, ++#endif ++#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) ++ { ++ .modalias = "ads7846", ++ .chip_select = 3, ++ .max_speed_hz = 125000 /* max sample rate at 3V */ ++ * 26, /* command + data + overhead */ ++ .bus_num = 0, ++ .platform_data = &ads_info, ++ .irq = AT91SAM9263_ID_IRQ1, ++ }, ++#endif ++}; ++ ++/* ++ * MACB device ++ */ ++static struct __initdata at91_eth_data ek_macb_data = { ++ .is_rmii = 1, ++}; ++ ++/* ++ * MCI (SD/MMC) ++ */ ++static struct at91_mmc_data __initdata ek_mmc_data = { ++ .wire4 = 1, ++ .det_pin = AT91_PIN_PE18, ++ .wp_pin = AT91_PIN_PE19, ++// .vcc_pin = ... not connected ++}; ++ ++ ++/* ++ * NAND flash ++ */ ++static struct mtd_partition __initdata ek_nand_partition[] = { ++ { ++ .name = "Partition 1", ++ .offset = 0, ++ .size = 64 * 1024 * 1024, ++ }, ++ { ++ .name = "Partition 2", ++ .offset = 64 * 1024 * 1024, ++ .size = MTDPART_SIZ_FULL, ++ }, ++}; ++ ++static struct mtd_partition *nand_partitions(int size, int *num_partitions) ++{ ++ *num_partitions = ARRAY_SIZE(ek_nand_partition); ++ return ek_nand_partition; ++} ++ ++static struct at91_nand_data __initdata ek_nand_data = { ++ .ale = 21, ++ .cle = 22, ++// .det_pin = ... not connected ++ .rdy_pin = AT91_PIN_PA22, ++ .enable_pin = AT91_PIN_PD15, ++ .partition_info = nand_partitions, ++#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) ++ .bus_width_16 = 1, ++#else ++ .bus_width_16 = 0, ++#endif ++}; ++ ++/* ++ * LCD Controller ++ */ ++#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) ++static struct fb_videomode at91_tft_vga_modes[] = { ++ { ++ .name = "TX09D50VM1CCA @ 60", ++ .refresh = 60, ++ .xres = 240, .yres = 320, ++ .pixclock = KHZ2PICOS(4965), ++ ++ .left_margin = 1, .right_margin = 33, ++ .upper_margin = 1, .lower_margin = 0, ++ .hsync_len = 5, .vsync_len = 1, ++ ++ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, ++ .vmode = FB_VMODE_NONINTERLACED, ++ }, ++}; ++ ++static struct fb_monspecs at91fb_default_monspecs = { ++ .manufacturer = "HIT", ++ .monitor = "TX09D70VM1CCA", ++ ++ .modedb = at91_tft_vga_modes, ++ .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), ++ .hfmin = 15000, ++ .hfmax = 64000, ++ .vfmin = 50, ++ .vfmax = 150, ++}; ++ ++/* Driver defaults */ ++#define AT91SAM9261_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ ++ | ATMEL_LCDC_DISTYPE_TFT \ ++ | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) ++ ++#define AT91SAM9261_DEFAULT_FB_FLAGS (FBINFO_DEFAULT \ ++ | FBINFO_PARTIAL_PAN_OK \ ++ | FBINFO_HWACCEL_XPAN \ ++ | FBINFO_HWACCEL_YPAN) ++ ++/* Driver datas */ ++static struct atmel_lcdfb_info __initdata ek_lcdc_data = { ++ .default_bpp = 16, ++ .default_dmacon = ATMEL_LCDC_DMAEN, ++ .default_lcdcon2 = AT91SAM9261_DEFAULT_LCDCON2, ++ .default_monspecs = &at91fb_default_monspecs, ++ .default_flags = AT91SAM9261_DEFAULT_FB_FLAGS, ++ .power_control_pin = AT91_PIN_PD12, ++ .guard_time = 1, ++}; ++ ++#else ++static struct atmel_lcdfb_info __initdata ek_lcdc_data; ++#endif ++ ++ ++static void __init ek_board_init(void) ++{ ++ /* Serial */ ++ at91_add_device_serial(); ++ /* USB Host */ ++ at91_add_device_usbh(&ek_usbh_data); ++ /* USB Device */ ++ at91_add_device_udc(&ek_udc_data); ++ /* select SPI clk for Dataflash card slot */ ++ at91_set_gpio_output(AT91_PIN_PE20, 1); ++ /* SPI */ ++ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); ++ /* MMC */ ++ at91_add_device_mmc(1, &ek_mmc_data); ++ /* MACB */ ++ at91_add_device_eth(&ek_macb_data); ++ /* NAND */ ++ at91_add_device_nand(&ek_nand_data); ++ /* LCD Controller */ ++ at91_add_device_lcdc(&ek_lcdc_data); ++ /* Touchscreen */ ++ at91_add_device_ts(); ++} ++ ++MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK") ++ /* Maintainer: Atmel */ ++ .phys_io = AT91_BASE_SYS, ++ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, ++ .boot_params = AT91_SDRAM_BASE + 0x100, ++ .timer = &at91sam926x_timer, ++ .map_io = ek_map_io, ++ .init_irq = ek_init_irq, ++ .init_machine = ek_board_init, ++MACHINE_END +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/clock.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/clock.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/clock.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/clock.c 2007-03-24 16:39:15.000000000 +0100 +@@ -375,6 +375,7 @@ + seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR)); + + seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR)); ++#warning "Hard-coded PCK" + for (i = 0; i < 4; i++) + seq_printf(s, "PCK%d = %8x\n", i, at91_sys_read(AT91_PMC_PCKR(i))); + seq_printf(s, "SR = %8x\n", sr = at91_sys_read(AT91_PMC_SR)); +@@ -525,27 +526,6 @@ + return 0; + } + +-/* +- * Several unused clocks may be active. Turn them off. +- */ +-static void __init at91_periphclk_reset(void) +-{ +- unsigned long reg; +- struct clk *clk; +- +- reg = at91_sys_read(AT91_PMC_PCSR); +- +- list_for_each_entry(clk, &clocks, node) { +- if (clk->mode != pmc_periph_mode) +- continue; +- +- if (clk->users > 0) +- reg &= ~clk->pmc_mask; +- } +- +- at91_sys_write(AT91_PMC_PCDR, reg); +-} +- + static struct clk *const standard_pmc_clocks[] __initdata = { + /* four primary clocks */ + &clk32k, +@@ -586,7 +566,7 @@ + pr_info("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000); + + /* +- * USB clock init: choose 48 MHz PLLB value, turn all clocks off, ++ * USB clock init: choose 48 MHz PLLB value, + * disable 48MHz clock during usb peripheral suspend. + * + * REVISIT: assumes MCK doesn't derive from PLLB! +@@ -596,16 +576,10 @@ + if (cpu_is_at91rm9200()) { + uhpck.pmc_mask = AT91RM9200_PMC_UHP; + udpck.pmc_mask = AT91RM9200_PMC_UDP; +- at91_sys_write(AT91_PMC_SCDR, AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP); + at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP); +- } else if (cpu_is_at91sam9260()) { ++ } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263()) { + uhpck.pmc_mask = AT91SAM926x_PMC_UHP; + udpck.pmc_mask = AT91SAM926x_PMC_UDP; +- at91_sys_write(AT91_PMC_SCDR, AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP); +- } else if (cpu_is_at91sam9261()) { +- uhpck.pmc_mask = (AT91SAM926x_PMC_UHP | AT91_PMC_HCK0); +- udpck.pmc_mask = AT91SAM926x_PMC_UDP; +- at91_sys_write(AT91_PMC_SCDR, AT91SAM926x_PMC_UHP | AT91_PMC_HCK0 | AT91SAM926x_PMC_UDP); + } + at91_sys_write(AT91_CKGR_PLLBR, 0); + +@@ -634,11 +608,34 @@ + (unsigned) main_clock / 1000000, + ((unsigned) main_clock % 1000000) / 1000); + +- /* disable all programmable clocks */ +- at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK0 | AT91_PMC_PCK1 | AT91_PMC_PCK2 | AT91_PMC_PCK3); ++ return 0; ++} ++ ++/* ++ * Several unused clocks may be active. Turn them off. ++ */ ++static int __init at91_clock_reset(void) ++{ ++ unsigned long pcdr = 0; ++ unsigned long scdr = 0; ++ struct clk *clk; ++ ++ list_for_each_entry(clk, &clocks, node) { ++ if (clk->users > 0) ++ continue; ++ ++ if (clk->mode == pmc_periph_mode) ++ pcdr |= clk->pmc_mask; ++ ++ if (clk->mode == pmc_sys_mode) ++ scdr |= clk->pmc_mask; ++ ++ pr_debug("Clocks: disable unused %s\n", clk->name); ++ } + +- /* disable all other unused peripheral clocks */ +- at91_periphclk_reset(); ++ at91_sys_write(AT91_PMC_PCDR, pcdr); ++ at91_sys_write(AT91_PMC_SCDR, scdr); + + return 0; + } ++late_initcall(at91_clock_reset); +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/generic.h linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/generic.h +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/generic.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/generic.h 2007-03-24 16:39:15.000000000 +0100 +@@ -12,11 +12,13 @@ + extern void __init at91rm9200_initialize(unsigned long main_clock, unsigned short banks); + extern void __init at91sam9260_initialize(unsigned long main_clock); + extern void __init at91sam9261_initialize(unsigned long main_clock); ++extern void __init at91sam9263_initialize(unsigned long main_clock); + + /* Interrupts */ + extern void __init at91rm9200_init_interrupts(unsigned int priority[]); + extern void __init at91sam9260_init_interrupts(unsigned int priority[]); + extern void __init at91sam9261_init_interrupts(unsigned int priority[]); ++extern void __init at91sam9263_init_interrupts(unsigned int priority[]); + extern void __init at91_aic_init(unsigned int priority[]); + + /* Timer */ +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/ics1523.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/ics1523.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/ics1523.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/ics1523.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,207 @@ ++/* ++ * arch/arm/mach-at91rm9200/ics1523.c ++ * ++ * Copyright (C) 2003 ATMEL Rousset ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#include <asm/hardware.h> ++#include <asm/io.h> ++ ++#include <linux/clk.h> ++#include <linux/delay.h> ++#include <linux/err.h> ++#include <linux/init.h> ++ ++#include <asm/arch/ics1523.h> ++#include <asm/arch/at91_twi.h> ++#include <asm/arch/gpio.h> ++ ++/* TWI Errors */ ++#define AT91_TWI_ERROR (AT91_TWI_NACK | AT91_TWI_UNRE | AT91_TWI_OVRE) ++ ++ ++static void __iomem *twi_base; ++ ++#define at91_twi_read(reg) __raw_readl(twi_base + (reg)) ++#define at91_twi_write(reg, val) __raw_writel((val), twi_base + (reg)) ++ ++ ++/* ----------------------------------------------------------------------------- ++ * Initialization of TWI CLOCK ++ * ----------------------------------------------------------------------------- */ ++ ++static void at91_ics1523_SetTwiClock(unsigned int mck_khz) ++{ ++ int sclock; ++ ++ /* Here, CKDIV = 1 and CHDIV = CLDIV ==> CLDIV = CHDIV = 1/4*((Fmclk/FTWI) -6) */ ++ sclock = (10*mck_khz / ICS_TRANSFER_RATE); ++ if (sclock % 10 >= 5) ++ sclock = (sclock /10) - 5; ++ else ++ sclock = (sclock /10)- 6; ++ sclock = (sclock + (4 - sclock %4)) >> 2; /* div 4 */ ++ ++ at91_twi_write(AT91_TWI_CWGR, 0x00010000 | sclock | (sclock << 8)); ++} ++ ++/* ----------------------------------------------------------------------------- ++ * Read a byte with TWI Interface from the Clock Generator ICS1523 ++ * ----------------------------------------------------------------------------- */ ++ ++static int at91_ics1523_ReadByte(unsigned char reg_address, unsigned char *data_in) ++{ ++ int Status, nb_trial; ++ ++ at91_twi_write(AT91_TWI_MMR, AT91_TWI_MREAD | AT91_TWI_IADRSZ_1 | ((ICS_ADDR << 16) & AT91_TWI_DADR)); ++ at91_twi_write(AT91_TWI_IADR, reg_address); ++ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP); ++ ++ /* Program temporizing period (300us) */ ++ udelay(300); ++ ++ /* Wait TXcomplete ... */ ++ nb_trial = 0; ++ Status = at91_twi_read(AT91_TWI_SR); ++ while (!(Status & AT91_TWI_TXCOMP) && (nb_trial < 10)) { ++ nb_trial++; ++ Status = at91_twi_read(AT91_TWI_SR); ++ } ++ ++ if (Status & AT91_TWI_TXCOMP) { ++ *data_in = (unsigned char) at91_twi_read(AT91_TWI_RHR); ++ return ICS1523_ACCESS_OK; ++ } ++ else ++ return ICS1523_ACCESS_ERROR; ++} ++ ++/* ----------------------------------------------------------------------------- ++ * Write a byte with TWI Interface to the Clock Generator ICS1523 ++ * ----------------------------------------------------------------------------- */ ++ ++static int at91_ics1523_WriteByte(unsigned char reg_address, unsigned char data_out) ++{ ++ int Status, nb_trial; ++ ++ at91_twi_write(AT91_TWI_MMR, AT91_TWI_IADRSZ_1 | ((ICS_ADDR << 16) & AT91_TWI_DADR)); ++ at91_twi_write(AT91_TWI_IADR, reg_address); ++ at91_twi_write(AT91_TWI_THR, data_out); ++ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP); ++ ++ /* Program temporizing period (300us) */ ++ udelay(300); ++ ++ nb_trial = 0; ++ Status = at91_twi_read(AT91_TWI_SR); ++ while (!(Status & AT91_TWI_TXCOMP) && (nb_trial < 10)) { ++ nb_trial++; ++ if (Status & AT91_TWI_ERROR) { ++ /* If Underrun OR NACK - Start again */ ++ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP); ++ ++ /* Program temporizing period (300us) */ ++ udelay(300); ++ } ++ Status = at91_twi_read(AT91_TWI_SR); ++ }; ++ ++ if (Status & AT91_TWI_TXCOMP) ++ return ICS1523_ACCESS_OK; ++ else ++ return ICS1523_ACCESS_ERROR; ++} ++ ++/* ----------------------------------------------------------------------------- ++ * Initialization of the Clock Generator ICS1523 ++ * ----------------------------------------------------------------------------- */ ++ ++int at91_ics1523_init(void) ++{ ++ int nb_trial; ++ int ack = ICS1523_ACCESS_OK; ++ unsigned int status = 0xffffffff; ++ struct clk *twi_clk; ++ ++ /* Map in TWI peripheral */ ++ twi_base = ioremap(AT91RM9200_BASE_TWI, SZ_16K); ++ if (!twi_base) ++ return -ENOMEM; ++ ++ /* pins used for TWI interface */ ++ at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */ ++ at91_set_multi_drive(AT91_PIN_PA25, 1); ++ at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */ ++ at91_set_multi_drive(AT91_PIN_PA26, 1); ++ ++ /* Enable the TWI clock */ ++ twi_clk = clk_get(NULL, "twi_clk"); ++ if (IS_ERR(twi_clk)) ++ return ICS1523_ACCESS_ERROR; ++ clk_enable(twi_clk); ++ ++ /* Disable interrupts */ ++ at91_twi_write(AT91_TWI_IDR, -1); ++ ++ /* Reset peripheral */ ++ at91_twi_write(AT91_TWI_CR, AT91_TWI_SWRST); ++ ++ /* Set Master mode */ ++ at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN); ++ ++ /* Set TWI Clock Waveform Generator Register */ ++ at91_ics1523_SetTwiClock(60000); /* MCK in KHz = 60000 KHz */ ++ ++ /* ICS1523 Initialisation */ ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_ICR, (unsigned char) 0); ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_OE, (unsigned char) (ICS_OEF | ICS_OET2 | ICS_OETCK)); ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_OD, (unsigned char) (ICS_INSEL | 0x7F)); ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_DPAO, (unsigned char) 0); ++ ++ nb_trial = 0; ++ do { ++ nb_trial++; ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_ICR, (unsigned char) (ICS_ENDLS | ICS_ENPLS | ICS_PDEN /*| ICS_FUNCSEL*/)); ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_LCR, (unsigned char) (ICS_PSD | ICS_PFD)); ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_FD0, (unsigned char) 0x39) ; /* 0x7A */ ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_FD1, (unsigned char) 0x00); ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_SWRST, (unsigned char) (ICS_PLLR)); ++ ++ /* Program 1ms temporizing period */ ++ mdelay(1); ++ ++ at91_ics1523_ReadByte ((unsigned char) ICS_SR, (char *)&status); ++ } while (!((unsigned int) status & (unsigned int) ICS_PLLLOCK) && (nb_trial < 10)); ++ ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_DPAC, (unsigned char) 0x03) ; /* 0x01 */ ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_SWRST, (unsigned char) (ICS_DPAR)); ++ ++ /* Program 1ms temporizing period */ ++ mdelay(1); ++ ++ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_DPAO, (unsigned char) 0x00); ++ ++ /* Program 1ms temporizing period */ ++ mdelay(1); ++ ++ /* All done - cleanup */ ++ iounmap(twi_base); ++ clk_disable(twi_clk); ++ clk_put(twi_clk); ++ ++ return ack; ++} +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/Kconfig linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/Kconfig +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/Kconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -9,11 +9,14 @@ + bool "AT91RM9200" + + config ARCH_AT91SAM9260 +- bool "AT91SAM9260" ++ bool "AT91SAM9260 or AT91SAM9XE" + + config ARCH_AT91SAM9261 + bool "AT91SAM9261" + ++config ARCH_AT91SAM9263 ++ bool "AT91SAM9263" ++ + endchoice + + # ---------------------------------------------------------- +@@ -90,13 +93,22 @@ + + if ARCH_AT91SAM9260 + +-comment "AT91SAM9260 Board Type" ++comment "AT91SAM9260 Variants" ++ ++config ARCH_AT91SAM9260_SAM9XE ++ bool "AT91SAM9XE" ++ depends on ARCH_AT91SAM9260 ++ help ++ Select this if you are using Atmel's AT91SAM9XE System-on-Chip. ++ They are basicaly AT91SAM9260s with various sizes of embedded Flash. ++ ++comment "AT91SAM9260 / AT91SAM9XE Board Type" + + config MACH_AT91SAM9260EK +- bool "Atmel AT91SAM9260-EK Evaluation Kit" ++ bool "Atmel AT91SAM9260-EK / AT91SAM9XE Evaluation Kit" + depends on ARCH_AT91SAM9260 + help +- Select this if you are using Atmel's AT91SAM9260-EK Evaluation Kit. ++ Select this if you are using Atmel's AT91SAM9260-EK or AT91SAM9XE Evaluation Kit + <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3933> + + endif +@@ -118,21 +130,50 @@ + + # ---------------------------------------------------------- + ++if ARCH_AT91SAM9263 ++ ++comment "AT91SAM9263 Board Type" ++ ++config MACH_AT91SAM9263EK ++ bool "Atmel AT91SAM9263-EK Evaluation Kit" ++ depends on ARCH_AT91SAM9263 ++ help ++ Select this if you are using Atmel's AT91SAM9263-EK Evaluation Kit. ++ <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4057> ++ ++endif ++ ++# ---------------------------------------------------------- ++ + comment "AT91 Board Options" + + config MTD_AT91_DATAFLASH_CARD + bool "Enable DataFlash Card support" +- depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK) ++ depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK) + help + Enable support for the DataFlash card. + + config MTD_NAND_AT91_BUSWIDTH_16 + bool "Enable 16-bit data bus interface to NAND flash" +- depends on (MACH_AT91SAM9261EK || MACH_AT91SAM9260EK) ++ depends on (MACH_AT91SAM9261EK || MACH_AT91SAM9260EK || MACH_AT91SAM9263EK) + help + On AT91SAM926x boards both types of NAND flash can be present + (8 and 16 bit data bus width). + ++config CSB300_WAKE_SW0 ++ bool "CSB300 SW0 irq0 wakeup" ++ depends on MACH_CSB337 && PM ++ help ++ If you have a CSB300 connected to your CSB337, this lets ++ SW0 serve as a wakeup button. It uses IRQ0. ++ ++config CSB300_WAKE_SW1 ++ bool "CSB300 SW1 gpio wakeup" ++ depends on MACH_CSB337 && PM ++ help ++ If you have a CSB300 connected to your CSB337, this lets ++ SW1 serve as a wakeup button. It uses GPIO. ++ + # ---------------------------------------------------------- + + comment "AT91 Feature Selections" +@@ -143,6 +184,13 @@ + Select this if you need to program one or more of the PCK0..PCK3 + programmable clock outputs. + ++config AT91_SLOW_CLOCK ++ bool "Suspend-to-RAM uses slow clock mode (EXPERIMENTAL)" ++ depends on PM && EXPERIMENTAL ++ help ++ Select this if you wish to put the CPU into slow clock mode ++ while in the "Suspend to RAM" state, to save more power. ++ + endmenu + + endif +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/leds.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/leds.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/leds.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/leds.c 2007-03-24 16:39:15.000000000 +0100 +@@ -86,10 +86,6 @@ + if (!at91_leds_timer || !at91_leds_cpu) + return -ENODEV; + +- /* Enable PIO to access the LEDs */ +- at91_set_gpio_output(at91_leds_timer, 1); +- at91_set_gpio_output(at91_leds_cpu, 1); +- + leds_event = at91_leds_event; + + leds_event(led_start); +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/Makefile linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/Makefile +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/Makefile 2007-03-24 16:39:15.000000000 +0100 +@@ -8,11 +8,13 @@ + obj- := + + obj-$(CONFIG_PM) += pm.o ++obj-$(CONFIG_AT91_SLOW_CLOCK) += pm_slowclock.o + + # CPU-specific support + obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o + obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o + obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o ++obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o + + # AT91RM9200 board-specific support + obj-$(CONFIG_MACH_ONEARM) += board-1arm.o +@@ -31,6 +33,9 @@ + # AT91SAM9261 board-specific support + obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o + ++# AT91SAM9263 board-specific support ++obj-$(CONFIG_MACH_AT91SAM9263EK) += board-sam9263ek.o ++ + # LEDs support + led-$(CONFIG_ARCH_AT91RM9200DK) += leds.o + led-$(CONFIG_MACH_AT91RM9200EK) += leds.o +@@ -41,7 +46,7 @@ + obj-$(CONFIG_LEDS) += $(led-y) + + # VGA support +-#obj-$(CONFIG_FB_S1D13XXX) += ics1523.o ++obj-$(CONFIG_FB_S1D13XXX) += ics1523.o + + + ifeq ($(CONFIG_PM_DEBUG),y) +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/pm.c linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/pm.c +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/pm.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/pm.c 2007-03-24 16:39:15.000000000 +0100 +@@ -63,6 +63,7 @@ + * Verify that all the clocks are correct before entering + * slow-clock mode. + */ ++#warning "SAM9260 only has 3 programmable clocks." + static int at91_pm_verify_clocks(void) + { + unsigned long scsr; +@@ -80,6 +81,8 @@ + #warning "Check SAM9260 USB clocks" + } else if (cpu_is_at91sam9261()) { + #warning "Check SAM9261 USB clocks" ++ } else if (cpu_is_at91sam9263()) { ++#warning "Check SAM9263 USB clocks" + } + + #ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS +@@ -205,16 +208,23 @@ + .enter = at91_pm_enter, + }; + ++#ifdef CONFIG_AT91_SLOW_CLOCK ++extern void at91rm9200_slow_clock(void); ++extern u32 at91rm9200_slow_clock_sz; ++#endif ++ + static int __init at91_pm_init(void) + { +- printk("AT91: Power Management\n"); +- +-#ifdef CONFIG_AT91_PM_SLOW_CLOCK +- /* REVISIT allocations of SRAM should be dynamically managed. ++#ifdef CONFIG_AT91_SLOW_CLOCK ++ /* ++ * REVISIT allocations of SRAM should be dynamically managed. + * FIQ handlers and other components will want SRAM/TCM too... + */ +- slow_clock = (void *) (AT91_VA_BASE_SRAM + (3 * SZ_4K)); ++ slow_clock = (void *) (AT91_IO_VIRT_BASE - AT91RM9200_SRAM_SIZE + (3 * SZ_4K)); + memcpy(slow_clock, at91rm9200_slow_clock, at91rm9200_slow_clock_sz); ++ printk("AT91: Power Management (with slow clock mode)\n"); ++#else ++ printk("AT91: Power Management\n"); + #endif + + /* Disable SDRAM low-power mode. Cannot be used with self-refresh. */ +diff -urN linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/pm_slowclock.S linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/pm_slowclock.S +--- linux-2.6.20.4-0rig/arch/arm/mach-at91rm9200/pm_slowclock.S 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mach-at91rm9200/pm_slowclock.S 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,172 @@ ++/* ++ * arch/arm/mach-at91rm9200/pm_slow_clock.S ++ * ++ * Copyright (C) 2006 Savin Zlobec ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ */ ++ ++#include <linux/linkage.h> ++#include <asm/hardware.h> ++#include <asm/arch/at91_pmc.h> ++#include <asm/arch/at91rm9200_mc.h> ++ ++#define MCKRDY_TIMEOUT 1000 ++#define MOSCRDY_TIMEOUT 1000 ++#define PLLALOCK_TIMEOUT 1000 ++ ++ .macro wait_mckrdy ++ mov r2, #MCKRDY_TIMEOUT ++1: sub r2, r2, #1 ++ cmp r2, #0 ++ beq 2f ++ ldr r3, [r1, #AT91_PMC_SR] ++ tst r3, #AT91_PMC_MCKRDY ++ beq 1b ++2: ++ .endm ++ ++ .macro wait_moscrdy ++ mov r2, #MOSCRDY_TIMEOUT ++1: sub r2, r2, #1 ++ cmp r2, #0 ++ beq 2f ++ ldr r3, [r1, #AT91_PMC_SR] ++ tst r3, #AT91_PMC_MOSCS ++ beq 1b ++2: ++ .endm ++ ++ .macro wait_pllalock ++ mov r2, #PLLALOCK_TIMEOUT ++1: sub r2, r2, #1 ++ cmp r2, #0 ++ beq 2f ++ ldr r3, [r1, #AT91_PMC_SR] ++ tst r3, #AT91_PMC_LOCKA ++ beq 1b ++2: ++ .endm ++ ++ .macro wait_plladis ++ mov r2, #PLLALOCK_TIMEOUT ++1: sub r2, r2, #1 ++ cmp r2, #0 ++ beq 2f ++ ldr r3, [r1, #AT91_PMC_SR] ++ tst r3, #AT91_PMC_LOCKA ++ bne 1b ++2: ++ .endm ++ ++ .text ++ ++ENTRY(at91rm9200_slow_clock) ++ ++ ldr r1, .at91_va_base_sys ++ ++ /* Put SDRAM in self refresh mode */ ++ ++ b 1f ++ .align 5 ++1: mcr p15, 0, r0, c7, c10, 4 ++ mov r2, #1 ++ str r2, [r1, #AT91_SDRAMC_SRR] ++ ++ /* Save Master clock setting */ ++ ++ ldr r2, [r1, #AT91_PMC_MCKR] ++ str r2, .saved_mckr ++ ++ /* ++ * Set the Master clock source to slow clock ++ * ++ * First set the CSS field, wait for MCKRDY ++ * and than set the PRES and MDIV fields. ++ * ++ * See eratta #2[78] for details. ++ */ ++ ++ bic r2, r2, #3 ++ str r2, [r1, #AT91_PMC_MCKR] ++ ++ wait_mckrdy ++ ++ mov r2, #0 ++ str r2, [r1, #AT91_PMC_MCKR] ++ ++ /* Save PLLA setting and disable it */ ++ ++ ldr r2, [r1, #AT91_CKGR_PLLAR] ++ str r2, .saved_pllar ++ ++ mov r2, #0 ++ str r2, [r1, #AT91_CKGR_PLLAR] ++ ++ wait_plladis ++ ++ /* Turn off the main oscillator */ ++ ++ ldr r2, [r1, #AT91_CKGR_MOR] ++ bic r2, r2, #AT91_PMC_MOSCEN ++ str r2, [r1, #AT91_CKGR_MOR] ++ ++ /* Wait for interrupt */ ++ ++ mcr p15, 0, r0, c7, c0, 4 ++ ++ /* Turn on the main oscillator */ ++ ++ ldr r2, [r1, #AT91_CKGR_MOR] ++ orr r2, r2, #AT91_PMC_MOSCEN ++ str r2, [r1, #AT91_CKGR_MOR] ++ ++ wait_moscrdy ++ ++ /* Restore PLLA setting */ ++ ++ ldr r2, .saved_pllar ++ str r2, [r1, #AT91_CKGR_PLLAR] ++ ++ wait_pllalock ++ ++ /* ++ * Restore master clock setting ++ * ++ * First set PRES if it was not 0, ++ * than set CSS and MDIV fields. ++ * After every change wait for ++ * MCKRDY. ++ * ++ * See eratta #2[78] for details. ++ */ ++ ++ ldr r2, .saved_mckr ++ tst r2, #0x1C ++ beq 2f ++ and r2, r2, #0x1C ++ str r2, [r1, #AT91_PMC_MCKR] ++ ++ wait_mckrdy ++ ++2: ldr r2, .saved_mckr ++ str r2, [r1, #AT91_PMC_MCKR] ++ ++ wait_mckrdy ++ ++ mov pc, lr ++ ++.saved_mckr: ++ .word 0 ++ ++.saved_pllar: ++ .word 0 ++ ++.at91_va_base_sys: ++ .word AT91_VA_BASE_SYS ++ ++ENTRY(at91rm9200_slow_clock_sz) ++ .word .-at91rm9200_slow_clock +diff -urN linux-2.6.20.4-0rig/arch/arm/mm/Kconfig linux-2.6.20.4-atmel/arch/arm/mm/Kconfig +--- linux-2.6.20.4-0rig/arch/arm/mm/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/arm/mm/Kconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -171,8 +171,8 @@ + # ARM926T + config CPU_ARM926T + bool "Support ARM926T processor" +- depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 +- default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 ++ depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 ++ default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 + select CPU_32v5 + select CPU_ABRT_EV5TJ + select CPU_CACHE_VIVT +diff -urN linux-2.6.20.4-0rig/arch/avr32/boards/atstk1000/atstk1002.c linux-2.6.20.4-atmel/arch/avr32/boards/atstk1000/atstk1002.c +--- linux-2.6.20.4-0rig/arch/avr32/boards/atstk1000/atstk1002.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/boards/atstk1000/atstk1002.c 2007-03-24 16:42:29.000000000 +0100 +@@ -14,11 +14,17 @@ + #include <linux/platform_device.h> + #include <linux/string.h> + #include <linux/types.h> ++#include <linux/spi/spi.h> + + #include <asm/io.h> + #include <asm/setup.h> ++#include <asm/arch/at32ap7000.h> + #include <asm/arch/board.h> + #include <asm/arch/init.h> ++#include <asm/arch/portmux.h> ++ ++ ++#define SW2_DEFAULT /* MMCI and UART_A available */ + + struct eth_addr { + u8 addr[6]; +@@ -29,6 +35,20 @@ + static struct eth_platform_data __initdata eth_data[2]; + extern struct lcdc_platform_data atstk1000_fb0_data; + ++static struct spi_board_info spi0_board_info[] __initdata = { ++ { ++ /* QVGA display */ ++ .modalias = "ltv350qv", ++ .max_speed_hz = 16000000, ++ .chip_select = 1, ++ }, ++}; ++ ++static struct mci_platform_data __initdata mci0_data = { ++ .detect_pin = GPIO_PIN_NONE, ++ .wp_pin = GPIO_PIN_NONE, ++}; ++ + /* + * The next two functions should go away as the boot loader is + * supposed to initialize the macb address registers with a valid +@@ -86,25 +106,58 @@ + + void __init setup_board(void) + { +- at32_map_usart(1, 0); /* /dev/ttyS0 */ +- at32_map_usart(2, 1); /* /dev/ttyS1 */ +- at32_map_usart(3, 2); /* /dev/ttyS2 */ ++#ifdef SW2_DEFAULT ++ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ ++#else ++ at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */ ++#endif ++ /* USART 2/unused: expansion connector */ ++ at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */ + + at32_setup_serial_console(0); + } + + static int __init atstk1002_init(void) + { ++ /* ++ * ATSTK1000 uses 32-bit SDRAM interface. Reserve the ++ * SDRAM-specific pins so that nobody messes with them. ++ */ ++ at32_reserve_pin(GPIO_PIN_PE(0)); /* DATA[16] */ ++ at32_reserve_pin(GPIO_PIN_PE(1)); /* DATA[17] */ ++ at32_reserve_pin(GPIO_PIN_PE(2)); /* DATA[18] */ ++ at32_reserve_pin(GPIO_PIN_PE(3)); /* DATA[19] */ ++ at32_reserve_pin(GPIO_PIN_PE(4)); /* DATA[20] */ ++ at32_reserve_pin(GPIO_PIN_PE(5)); /* DATA[21] */ ++ at32_reserve_pin(GPIO_PIN_PE(6)); /* DATA[22] */ ++ at32_reserve_pin(GPIO_PIN_PE(7)); /* DATA[23] */ ++ at32_reserve_pin(GPIO_PIN_PE(8)); /* DATA[24] */ ++ at32_reserve_pin(GPIO_PIN_PE(9)); /* DATA[25] */ ++ at32_reserve_pin(GPIO_PIN_PE(10)); /* DATA[26] */ ++ at32_reserve_pin(GPIO_PIN_PE(11)); /* DATA[27] */ ++ at32_reserve_pin(GPIO_PIN_PE(12)); /* DATA[28] */ ++ at32_reserve_pin(GPIO_PIN_PE(13)); /* DATA[29] */ ++ at32_reserve_pin(GPIO_PIN_PE(14)); /* DATA[30] */ ++ at32_reserve_pin(GPIO_PIN_PE(15)); /* DATA[31] */ ++ at32_reserve_pin(GPIO_PIN_PE(26)); /* SDCS */ ++ + at32_add_system_devices(); + ++#ifdef SW2_DEFAULT + at32_add_device_usart(0); ++#else + at32_add_device_usart(1); ++#endif + at32_add_device_usart(2); + + set_hw_addr(at32_add_device_eth(0, ð_data[0])); + +- at32_add_device_spi(0); ++ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); ++ at32_add_device_twi(0); ++ at32_add_device_mci(0, &mci0_data); + at32_add_device_lcdc(0, &atstk1000_fb0_data); ++ at32_add_device_usba(0); ++ at32_add_device_abdac(0); + + return 0; + } +diff -urN linux-2.6.20.4-0rig/arch/avr32/boards/atstk1000/Makefile linux-2.6.20.4-atmel/arch/avr32/boards/atstk1000/Makefile +--- linux-2.6.20.4-0rig/arch/avr32/boards/atstk1000/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/boards/atstk1000/Makefile 2007-03-24 16:42:28.000000000 +0100 +@@ -1,2 +1,2 @@ +-obj-y += setup.o spi.o flash.o ++obj-y += setup.o flash.o + obj-$(CONFIG_BOARD_ATSTK1002) += atstk1002.o +diff -urN linux-2.6.20.4-0rig/arch/avr32/boards/atstk1000/spi.c linux-2.6.20.4-atmel/arch/avr32/boards/atstk1000/spi.c +--- linux-2.6.20.4-0rig/arch/avr32/boards/atstk1000/spi.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/boards/atstk1000/spi.c 1970-01-01 01:00:00.000000000 +0100 +@@ -1,27 +0,0 @@ +-/* +- * ATSTK1000 SPI devices +- * +- * Copyright (C) 2005 Atmel Norway +- * +- * This program is free software; you can redistribute it and/or modify +- * it under the terms of the GNU General Public License version 2 as +- * published by the Free Software Foundation. +- */ +-#include <linux/device.h> +-#include <linux/spi/spi.h> +- +-static struct spi_board_info spi_board_info[] __initdata = { +- { +- .modalias = "ltv350qv", +- .max_speed_hz = 16000000, +- .bus_num = 0, +- .chip_select = 1, +- }, +-}; +- +-static int board_init_spi(void) +-{ +- spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); +- return 0; +-} +-arch_initcall(board_init_spi); +diff -urN linux-2.6.20.4-0rig/arch/avr32/drivers/dw-dmac.c linux-2.6.20.4-atmel/arch/avr32/drivers/dw-dmac.c +--- linux-2.6.20.4-0rig/arch/avr32/drivers/dw-dmac.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/drivers/dw-dmac.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,761 @@ ++/* ++ * Driver for the Synopsys DesignWare DMA Controller ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include <linux/clk.h> ++#include <linux/device.h> ++#include <linux/dma-mapping.h> ++#include <linux/dmapool.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++ ++#include <asm/dma-controller.h> ++#include <asm/io.h> ++ ++#include "dw-dmac.h" ++ ++#define DMAC_NR_CHANNELS 3 ++#define DMAC_MAX_BLOCKSIZE 4095 ++ ++enum { ++ CH_STATE_FREE = 0, ++ CH_STATE_ALLOCATED, ++ CH_STATE_BUSY, ++}; ++ ++struct dw_dma_lli { ++ dma_addr_t sar; ++ dma_addr_t dar; ++ dma_addr_t llp; ++ u32 ctllo; ++ u32 ctlhi; ++ u32 sstat; ++ u32 dstat; ++}; ++ ++struct dw_dma_block { ++ struct dw_dma_lli *lli_vaddr; ++ dma_addr_t lli_dma_addr; ++}; ++ ++struct dw_dma_channel { ++ unsigned int state; ++ int is_cyclic; ++ struct dma_request_sg *req_sg; ++ struct dma_request_cyclic *req_cyclic; ++ unsigned int nr_blocks; ++ int direction; ++ struct dw_dma_block *block; ++}; ++ ++struct dw_dma_controller { ++ spinlock_t lock; ++ void * __iomem regs; ++ struct dma_pool *lli_pool; ++ struct clk *hclk; ++ struct dma_controller dma; ++ struct dw_dma_channel channel[DMAC_NR_CHANNELS]; ++}; ++#define to_dw_dmac(dmac) container_of(dmac, struct dw_dma_controller, dma) ++ ++#define dmac_writel_hi(dmac, reg, value) \ ++ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg + 4) ++#define dmac_readl_hi(dmac, reg) \ ++ __raw_readl((dmac)->regs + DW_DMAC_##reg + 4) ++#define dmac_writel_lo(dmac, reg, value) \ ++ __raw_writel((value), (dmac)->regs + DW_DMAC_##reg) ++#define dmac_readl_lo(dmac, reg) \ ++ __raw_readl((dmac)->regs + DW_DMAC_##reg) ++#define dmac_chan_writel_hi(dmac, chan, reg, value) \ ++ __raw_writel((value), ((dmac)->regs + 0x58 * (chan) \ ++ + DW_DMAC_CHAN_##reg + 4)) ++#define dmac_chan_readl_hi(dmac, chan, reg) \ ++ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg + 4) ++#define dmac_chan_writel_lo(dmac, chan, reg, value) \ ++ __raw_writel((value), (dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg) ++#define dmac_chan_readl_lo(dmac, chan, reg) \ ++ __raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg) ++#define set_channel_bit(dmac, reg, chan) \ ++ dmac_writel_lo(dmac, reg, (1 << (chan)) | (1 << ((chan) + 8))) ++#define clear_channel_bit(dmac, reg, chan) \ ++ dmac_writel_lo(dmac, reg, (0 << (chan)) | (1 << ((chan) + 8))) ++ ++static int dmac_alloc_channel(struct dma_controller *_dmac) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ struct dw_dma_channel *chan; ++ unsigned long flags; ++ int i; ++ ++ spin_lock_irqsave(&dmac->lock, flags); ++ for (i = 0; i < DMAC_NR_CHANNELS; i++) ++ if (dmac->channel[i].state == CH_STATE_FREE) ++ break; ++ ++ if (i < DMAC_NR_CHANNELS) { ++ chan = &dmac->channel[i]; ++ chan->state = CH_STATE_ALLOCATED; ++ } else { ++ i = -EBUSY; ++ } ++ ++ spin_unlock_irqrestore(&dmac->lock, flags); ++ ++ return i; ++} ++ ++static void dmac_release_channel(struct dma_controller *_dmac, int channel) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ ++ BUG_ON(channel >= DMAC_NR_CHANNELS ++ || dmac->channel[channel].state != CH_STATE_ALLOCATED); ++ ++ dmac->channel[channel].state = CH_STATE_FREE; ++} ++ ++static struct dw_dma_block *allocate_blocks(struct dw_dma_controller *dmac, ++ unsigned int nr_blocks) ++{ ++ struct dw_dma_block *block; ++ void *p; ++ unsigned int i; ++ ++ block = kmalloc(nr_blocks * sizeof(*block), ++ GFP_KERNEL); ++ if (unlikely(!block)) ++ return NULL; ++ ++ for (i = 0; i < nr_blocks; i++) { ++ p = dma_pool_alloc(dmac->lli_pool, GFP_KERNEL, ++ &block[i].lli_dma_addr); ++ block[i].lli_vaddr = p; ++ if (unlikely(!p)) ++ goto fail; ++ } ++ ++ return block; ++ ++fail: ++ for (i = 0; i < nr_blocks; i++) { ++ if (!block[i].lli_vaddr) ++ break; ++ dma_pool_free(dmac->lli_pool, block[i].lli_vaddr, ++ block[i].lli_dma_addr); ++ } ++ kfree(block); ++ return NULL; ++} ++ ++static void cleanup_channel(struct dw_dma_controller *dmac, ++ struct dw_dma_channel *chan) ++{ ++ unsigned int i; ++ ++ if (chan->nr_blocks > 1) { ++ for (i = 0; i < chan->nr_blocks; i++) ++ dma_pool_free(dmac->lli_pool, chan->block[i].lli_vaddr, ++ chan->block[i].lli_dma_addr); ++ kfree(chan->block); ++ } ++ ++ chan->state = CH_STATE_ALLOCATED; ++} ++ ++static int dmac_prepare_request_sg(struct dma_controller *_dmac, ++ struct dma_request_sg *req) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ struct dw_dma_channel *chan; ++ unsigned long ctlhi, ctllo, cfghi, cfglo; ++ unsigned long block_size; ++ unsigned int nr_blocks; ++ int ret, i, direction; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&dmac->lock, flags); ++ ++ ret = -EINVAL; ++ if (req->req.channel >= DMAC_NR_CHANNELS ++ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED ++ || req->block_size > DMAC_MAX_BLOCKSIZE) { ++ spin_unlock_irqrestore(&dmac->lock, flags); ++ return -EINVAL; ++ } ++ ++ chan = &dmac->channel[req->req.channel]; ++ chan->state = CH_STATE_BUSY; ++ chan->req_sg = req; ++ chan->is_cyclic = 0; ++ ++ /* ++ * We have marked the channel as busy, so no need to keep the ++ * lock as long as we only touch the channel-specific ++ * registers ++ */ ++ spin_unlock_irqrestore(&dmac->lock, flags); ++ ++ /* ++ * There may be limitations in the driver and/or the DMA ++ * controller that prevents us from sending a whole ++ * scatterlist item in one go. Taking this into account, ++ * calculate the number of block transfers we need to set up. ++ * ++ * FIXME: Let the peripheral driver know about the maximum ++ * block size we support. We really don't want to use a ++ * different block size than what was suggested by the ++ * peripheral. ++ * ++ * Each block will get its own Linked List Item (LLI) below. ++ */ ++ block_size = req->block_size; ++ nr_blocks = req->nr_blocks; ++ pr_debug("block_size %lu, nr_blocks %u nr_sg = %u\n", ++ block_size, nr_blocks, req->nr_sg); ++ ++ BUG_ON(nr_blocks == 0); ++ chan->nr_blocks = nr_blocks; ++ ++ ret = -EINVAL; ++ cfglo = cfghi = 0; ++ switch (req->direction) { ++ case DMA_DIR_MEM_TO_PERIPH: ++ direction = DMA_TO_DEVICE; ++ cfghi = req->periph_id << (43 - 32); ++ break; ++ ++ case DMA_DIR_PERIPH_TO_MEM: ++ direction = DMA_FROM_DEVICE; ++ cfghi = req->periph_id << (39 - 32); ++ break; ++ default: ++ goto out_unclaim_channel; ++ } ++ ++ chan->direction = direction; ++ ++ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi); ++ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo); ++ ++ ctlhi = block_size >> req->width; ++ ctllo = ((req->direction << 20) ++ // | (1 << 14) | (1 << 11) // source/dest burst trans len ++ | (req->width << 4) | (req->width << 1) ++ | (1 << 0)); // interrupt enable ++ ++ if (nr_blocks == 1) { ++ /* Only one block: No need to use block chaining */ ++ if (direction == DMA_TO_DEVICE) { ++ dmac_chan_writel_lo(dmac, req->req.channel, SAR, ++ req->sg->dma_address); ++ dmac_chan_writel_lo(dmac, req->req.channel, DAR, ++ req->data_reg); ++ ctllo |= 2 << 7; // no dst increment ++ } else { ++ dmac_chan_writel_lo(dmac, req->req.channel, SAR, ++ req->data_reg); ++ dmac_chan_writel_lo(dmac, req->req.channel, DAR, ++ req->sg->dma_address); ++ ctllo |= 2 << 9; // no src increment ++ } ++ dmac_chan_writel_lo(dmac, req->req.channel, CTL, ctllo); ++ dmac_chan_writel_hi(dmac, req->req.channel, CTL, ctlhi); ++ pr_debug("ctl hi:lo 0x%lx:%lx\n", ctlhi, ctllo); ++ } else { ++ struct dw_dma_lli *lli, *lli_prev = NULL; ++ int j = 0, offset = 0; ++ ++ ret = -ENOMEM; ++ chan->block = allocate_blocks(dmac, nr_blocks); ++ if (!chan->block) ++ goto out_unclaim_channel; ++ ++ if (direction == DMA_TO_DEVICE) ++ ctllo |= 1 << 28 | 1 << 27 | 2 << 7; ++ else ++ ctllo |= 1 << 28 | 1 << 27 | 2 << 9; ++ ++ /* ++ * Map scatterlist items to blocks. One scatterlist ++ * item may need more than one block for the reasons ++ * mentioned above. ++ */ ++ for (i = 0; i < nr_blocks; i++) { ++ lli = chan->block[i].lli_vaddr; ++ if (lli_prev) { ++ lli_prev->llp = chan->block[i].lli_dma_addr; ++ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", ++ i - 1, chan->block[i - 1].lli_vaddr, ++ chan->block[i - 1].lli_dma_addr, ++ lli_prev->sar, lli_prev->dar, lli_prev->llp, ++ lli_prev->ctllo, lli_prev->ctlhi); ++ } ++ lli->llp = 0; ++ lli->ctllo = ctllo; ++ lli->ctlhi = ctlhi; ++ if (direction == DMA_TO_DEVICE) { ++ lli->sar = req->sg[j].dma_address + offset; ++ lli->dar = req->data_reg; ++ } else { ++ lli->sar = req->data_reg; ++ lli->dar = req->sg[j].dma_address + offset; ++ } ++ lli_prev = lli; ++ ++ offset += block_size; ++ if (offset > req->sg[j].length) { ++ j++; ++ offset = 0; ++ } ++ } ++ ++ pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", ++ i - 1, chan->block[i - 1].lli_vaddr, ++ chan->block[i - 1].lli_dma_addr, lli_prev->sar, ++ lli_prev->dar, lli_prev->llp, ++ lli_prev->ctllo, lli_prev->ctlhi); ++ ++ /* ++ * SAR, DAR and CTL are initialized from the LLI. We ++ * only have to enable the LLI bits in CTL. ++ */ ++ dmac_chan_writel_hi(dmac, req->req.channel, CTL, 0); ++ dmac_chan_writel_lo(dmac, req->req.channel, LLP, ++ chan->block[0].lli_dma_addr); ++ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27); ++ } ++ ++ set_channel_bit(dmac, MASK_XFER, req->req.channel); ++ set_channel_bit(dmac, MASK_ERROR, req->req.channel); ++ if (req->req.block_complete) ++ set_channel_bit(dmac, MASK_BLOCK, req->req.channel); ++ else ++ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel); ++ ++ return 0; ++ ++out_unclaim_channel: ++ chan->state = CH_STATE_ALLOCATED; ++ return ret; ++} ++ ++static int dmac_prepare_request_cyclic(struct dma_controller *_dmac, ++ struct dma_request_cyclic *req) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ struct dw_dma_channel *chan; ++ unsigned long ctlhi, ctllo, cfghi, cfglo; ++ unsigned long block_size; ++ int ret, i, direction; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&dmac->lock, flags); ++ ++ block_size = (req->buffer_size/req->periods) >> req->width; ++ ++ ret = -EINVAL; ++ if (req->req.channel >= DMAC_NR_CHANNELS ++ || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED ++ || (req->periods == 0) ++ || block_size > DMAC_MAX_BLOCKSIZE) { ++ spin_unlock_irqrestore(&dmac->lock, flags); ++ return -EINVAL; ++ } ++ ++ chan = &dmac->channel[req->req.channel]; ++ chan->state = CH_STATE_BUSY; ++ chan->is_cyclic = 1; ++ chan->req_cyclic = req; ++ ++ /* ++ * We have marked the channel as busy, so no need to keep the ++ * lock as long as we only touch the channel-specific ++ * registers ++ */ ++ spin_unlock_irqrestore(&dmac->lock, flags); ++ ++ /* ++ Setup ++ */ ++ BUG_ON(req->buffer_size % req->periods); ++ /* printk(KERN_INFO "block_size = %lu, periods = %u\n", block_size, req->periods); */ ++ ++ chan->nr_blocks = req->periods; ++ ++ ret = -EINVAL; ++ cfglo = cfghi = 0; ++ switch (req->direction) { ++ case DMA_DIR_MEM_TO_PERIPH: ++ direction = DMA_TO_DEVICE; ++ cfghi = req->periph_id << (43 - 32); ++ break; ++ ++ case DMA_DIR_PERIPH_TO_MEM: ++ direction = DMA_FROM_DEVICE; ++ cfghi = req->periph_id << (39 - 32); ++ break; ++ default: ++ goto out_unclaim_channel; ++ } ++ ++ chan->direction = direction; ++ ++ dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi); ++ dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo); ++ ++ ctlhi = block_size; ++ ctllo = ((req->direction << 20) ++ | (req->width << 4) | (req->width << 1) ++ | (1 << 0)); // interrupt enable ++ ++ { ++ struct dw_dma_lli *lli = NULL, *lli_prev = NULL; ++ ++ ret = -ENOMEM; ++ chan->block = allocate_blocks(dmac, req->periods); ++ if (!chan->block) ++ goto out_unclaim_channel; ++ ++ if (direction == DMA_TO_DEVICE) ++ ctllo |= 1 << 28 | 1 << 27 | 2 << 7; ++ else ++ ctllo |= 1 << 28 | 1 << 27 | 2 << 9; ++ ++ /* ++ * Set up a linked list items where each period gets ++ * an item. The linked list item for the last period ++ * points back to the star of the buffer making a ++ * cyclic buffer. ++ */ ++ for (i = 0; i < req->periods; i++) { ++ lli = chan->block[i].lli_vaddr; ++ if (lli_prev) { ++ lli_prev->llp = chan->block[i].lli_dma_addr; ++ /* printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", ++ i - 1, chan->block[i - 1].lli_vaddr, ++ chan->block[i - 1].lli_dma_addr, ++ lli_prev->sar, lli_prev->dar, lli_prev->llp, ++ lli_prev->ctllo, lli_prev->ctlhi);*/ ++ } ++ lli->llp = 0; ++ lli->ctllo = ctllo; ++ lli->ctlhi = ctlhi; ++ if (direction == DMA_TO_DEVICE) { ++ lli->sar = req->buffer_start + i*(block_size << req->width); ++ lli->dar = req->data_reg; ++ } else { ++ lli->sar = req->data_reg; ++ lli->dar = req->buffer_start + i*(block_size << req->width); ++ } ++ lli_prev = lli; ++ } ++ lli->llp = chan->block[0].lli_dma_addr; ++ ++ /*printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n", ++ i - 1, chan->block[i - 1].lli_vaddr, ++ chan->block[i - 1].lli_dma_addr, lli_prev->sar, ++ lli_prev->dar, lli_prev->llp, ++ lli_prev->ctllo, lli_prev->ctlhi); */ ++ ++ /* ++ * SAR, DAR and CTL are initialized from the LLI. We ++ * only have to enable the LLI bits in CTL. ++ */ ++ dmac_chan_writel_lo(dmac, req->req.channel, LLP, ++ chan->block[0].lli_dma_addr); ++ dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27); ++ } ++ ++ clear_channel_bit(dmac, MASK_XFER, req->req.channel); ++ set_channel_bit(dmac, MASK_ERROR, req->req.channel); ++ if (req->req.block_complete) ++ set_channel_bit(dmac, MASK_BLOCK, req->req.channel); ++ else ++ clear_channel_bit(dmac, MASK_BLOCK, req->req.channel); ++ ++ return 0; ++ ++out_unclaim_channel: ++ chan->state = CH_STATE_ALLOCATED; ++ return ret; ++} ++ ++static int dmac_start_request(struct dma_controller *_dmac, ++ unsigned int channel) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ ++ BUG_ON(channel >= DMAC_NR_CHANNELS); ++ ++ set_channel_bit(dmac, CH_EN, channel); ++ ++ return 0; ++} ++ ++static dma_addr_t dmac_get_current_pos(struct dma_controller *_dmac, ++ unsigned int channel) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ struct dw_dma_channel *chan; ++ dma_addr_t current_pos; ++ ++ BUG_ON(channel >= DMAC_NR_CHANNELS); ++ ++ chan = &dmac->channel[channel]; ++ ++ switch (chan->direction) { ++ case DMA_TO_DEVICE: ++ current_pos = dmac_chan_readl_lo(dmac, channel, SAR); ++ break; ++ case DMA_FROM_DEVICE: ++ current_pos = dmac_chan_readl_lo(dmac, channel, DAR); ++ break; ++ default: ++ return 0; ++ } ++ ++ ++ if (!current_pos) { ++ if (chan->is_cyclic) { ++ current_pos = chan->req_cyclic->buffer_start; ++ } else { ++ current_pos = chan->req_sg->sg->dma_address; ++ } ++ } ++ ++ return current_pos; ++} ++ ++ ++static int dmac_stop_request(struct dma_controller *_dmac, ++ unsigned int channel) ++{ ++ struct dw_dma_controller *dmac = to_dw_dmac(_dmac); ++ struct dw_dma_channel *chan; ++ ++ BUG_ON(channel >= DMAC_NR_CHANNELS); ++ ++ chan = &dmac->channel[channel]; ++ pr_debug("stop: st%u s%08x d%08x l%08x ctl0x%08x:0x%08x\n", ++ chan->state, dmac_chan_readl_lo(dmac, channel, SAR), ++ dmac_chan_readl_lo(dmac, channel, DAR), ++ dmac_chan_readl_lo(dmac, channel, LLP), ++ dmac_chan_readl_hi(dmac, channel, CTL), ++ dmac_chan_readl_lo(dmac, channel, CTL)); ++ ++ if (chan->state == CH_STATE_BUSY) { ++ clear_channel_bit(dmac, CH_EN, channel); ++ cleanup_channel(dmac, &dmac->channel[channel]); ++ } ++ ++ return 0; ++} ++ ++ ++static void dmac_block_complete(struct dw_dma_controller *dmac) ++{ ++ struct dw_dma_channel *chan; ++ unsigned long status, chanid; ++ ++ status = dmac_readl_lo(dmac, STATUS_BLOCK); ++ ++ while (status) { ++ struct dma_request *req; ++ chanid = __ffs(status); ++ chan = &dmac->channel[chanid]; ++ ++ if (chan->is_cyclic) { ++ BUG_ON(!chan->req_cyclic ++ || !chan->req_cyclic->req.block_complete); ++ req = &chan->req_cyclic->req; ++ } else { ++ BUG_ON(!chan->req_sg || !chan->req_sg->req.block_complete); ++ req = &chan->req_sg->req; ++ } ++ dmac_writel_lo(dmac, CLEAR_BLOCK, 1 << chanid); ++ req->block_complete(req); ++ status = dmac_readl_lo(dmac, STATUS_BLOCK); ++ } ++} ++ ++static void dmac_xfer_complete(struct dw_dma_controller *dmac) ++{ ++ struct dw_dma_channel *chan; ++ struct dma_request *req; ++ unsigned long status, chanid; ++ ++ status = dmac_readl_lo(dmac, STATUS_XFER); ++ ++ while (status) { ++ chanid = __ffs(status); ++ chan = &dmac->channel[chanid]; ++ ++ dmac_writel_lo(dmac, CLEAR_XFER, 1 << chanid); ++ ++ req = &chan->req_sg->req; ++ BUG_ON(!req); ++ cleanup_channel(dmac, chan); ++ if (req->xfer_complete) ++ req->xfer_complete(req); ++ ++ status = dmac_readl_lo(dmac, STATUS_XFER); ++ } ++} ++ ++static void dmac_error(struct dw_dma_controller *dmac) ++{ ++ struct dw_dma_channel *chan; ++ unsigned long status, chanid; ++ ++ status = dmac_readl_lo(dmac, STATUS_ERROR); ++ ++ while (status) { ++ struct dma_request *req; ++ ++ chanid = __ffs(status); ++ chan = &dmac->channel[chanid]; ++ ++ dmac_writel_lo(dmac, CLEAR_ERROR, 1 << chanid); ++ clear_channel_bit(dmac, CH_EN, chanid); ++ ++ if (chan->is_cyclic) { ++ BUG_ON(!chan->req_cyclic); ++ req = &chan->req_cyclic->req; ++ } else { ++ BUG_ON(!chan->req_sg); ++ req = &chan->req_sg->req; ++ } ++ ++ cleanup_channel(dmac, chan); ++ if (req->error) ++ req->error(req); ++ ++ status = dmac_readl_lo(dmac, STATUS_XFER); ++ } ++} ++ ++static irqreturn_t dmac_interrupt(int irq, void *dev_id) ++{ ++ struct dw_dma_controller *dmac = dev_id; ++ unsigned long status; ++ int ret = IRQ_NONE; ++ ++ spin_lock(&dmac->lock); ++ ++ status = dmac_readl_lo(dmac, STATUS_INT); ++ ++ while (status) { ++ ret = IRQ_HANDLED; ++ if (status & 0x10) ++ dmac_error(dmac); ++ if (status & 0x02) ++ dmac_block_complete(dmac); ++ if (status & 0x01) ++ dmac_xfer_complete(dmac); ++ ++ status = dmac_readl_lo(dmac, STATUS_INT); ++ } ++ ++ spin_unlock(&dmac->lock); ++ return ret; ++} ++ ++static int __devinit dmac_probe(struct platform_device *pdev) ++{ ++ struct dw_dma_controller *dmac; ++ struct resource *regs; ++ int ret; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++ ++ dmac = kmalloc(sizeof(*dmac), GFP_KERNEL); ++ if (!dmac) ++ return -ENOMEM; ++ memset(dmac, 0, sizeof(*dmac)); ++ ++ dmac->hclk = clk_get(&pdev->dev, "hclk"); ++ if (IS_ERR(dmac->hclk)) { ++ ret = PTR_ERR(dmac->hclk); ++ goto out_free_dmac; ++ } ++ clk_enable(dmac->hclk); ++ ++ ret = -ENOMEM; ++ dmac->lli_pool = dma_pool_create("dmac", &pdev->dev, ++ sizeof(struct dw_dma_lli), 4, 0); ++ if (!dmac->lli_pool) ++ goto out_disable_clk; ++ ++ spin_lock_init(&dmac->lock); ++ dmac->dma.dev = &pdev->dev; ++ dmac->dma.alloc_channel = dmac_alloc_channel; ++ dmac->dma.release_channel = dmac_release_channel; ++ dmac->dma.prepare_request_sg = dmac_prepare_request_sg; ++ dmac->dma.prepare_request_cyclic = dmac_prepare_request_cyclic; ++ dmac->dma.start_request = dmac_start_request; ++ dmac->dma.stop_request = dmac_stop_request; ++ dmac->dma.get_current_pos = dmac_get_current_pos; ++ ++ dmac->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!dmac->regs) ++ goto out_free_pool; ++ ++ ret = request_irq(platform_get_irq(pdev, 0), dmac_interrupt, ++ SA_SAMPLE_RANDOM, pdev->name, dmac); ++ if (ret) ++ goto out_unmap_regs; ++ ++ /* Enable the DMA controller */ ++ dmac_writel_lo(dmac, CFG, 1); ++ ++ register_dma_controller(&dmac->dma); ++ ++ printk(KERN_INFO ++ "dmac%d: DesignWare DMA controller at 0x%p irq %d\n", ++ dmac->dma.id, dmac->regs, platform_get_irq(pdev, 0)); ++ ++ return 0; ++ ++out_unmap_regs: ++ iounmap(dmac->regs); ++out_free_pool: ++ dma_pool_destroy(dmac->lli_pool); ++out_disable_clk: ++ clk_disable(dmac->hclk); ++ clk_put(dmac->hclk); ++out_free_dmac: ++ kfree(dmac); ++ return ret; ++} ++ ++static struct platform_driver dmac_driver = { ++ .probe = dmac_probe, ++ .driver = { ++ .name = "dmaca", ++ }, ++}; ++ ++static int __init dmac_init(void) ++{ ++ return platform_driver_register(&dmac_driver); ++} ++subsys_initcall(dmac_init); ++ ++static void __exit dmac_exit(void) ++{ ++ platform_driver_unregister(&dmac_driver); ++} ++module_exit(dmac_exit); ++ ++MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver"); ++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/arch/avr32/drivers/dw-dmac.h linux-2.6.20.4-atmel/arch/avr32/drivers/dw-dmac.h +--- linux-2.6.20.4-0rig/arch/avr32/drivers/dw-dmac.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/drivers/dw-dmac.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,42 @@ ++/* ++ * Driver for the Synopsys DesignWare DMA Controller ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __AVR32_DW_DMAC_H__ ++#define __AVR32_DW_DMAC_H__ ++ ++#define DW_DMAC_CFG 0x398 ++#define DW_DMAC_CH_EN 0x3a0 ++ ++#define DW_DMAC_STATUS_XFER 0x2e8 ++#define DW_DMAC_STATUS_BLOCK 0x2f0 ++#define DW_DMAC_STATUS_ERROR 0x308 ++ ++#define DW_DMAC_MASK_XFER 0x310 ++#define DW_DMAC_MASK_BLOCK 0x318 ++#define DW_DMAC_MASK_ERROR 0x330 ++ ++#define DW_DMAC_CLEAR_XFER 0x338 ++#define DW_DMAC_CLEAR_BLOCK 0x340 ++#define DW_DMAC_CLEAR_ERROR 0x358 ++ ++#define DW_DMAC_STATUS_INT 0x360 ++ ++#define DW_DMAC_CHAN_SAR 0x000 ++#define DW_DMAC_CHAN_DAR 0x008 ++#define DW_DMAC_CHAN_LLP 0x010 ++#define DW_DMAC_CHAN_CTL 0x018 ++#define DW_DMAC_CHAN_SSTAT 0x020 ++#define DW_DMAC_CHAN_DSTAT 0x028 ++#define DW_DMAC_CHAN_SSTATAR 0x030 ++#define DW_DMAC_CHAN_DSTATAR 0x038 ++#define DW_DMAC_CHAN_CFG 0x040 ++#define DW_DMAC_CHAN_SGR 0x048 ++#define DW_DMAC_CHAN_DSR 0x050 ++ ++#endif /* __AVR32_DW_DMAC_H__ */ +diff -urN linux-2.6.20.4-0rig/arch/avr32/drivers/Makefile linux-2.6.20.4-atmel/arch/avr32/drivers/Makefile +--- linux-2.6.20.4-0rig/arch/avr32/drivers/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/drivers/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1 @@ ++obj-$(CONFIG_DW_DMAC) += dw-dmac.o +diff -urN linux-2.6.20.4-0rig/arch/avr32/Kconfig linux-2.6.20.4-atmel/arch/avr32/Kconfig +--- linux-2.6.20.4-0rig/arch/avr32/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -112,6 +112,8 @@ + bool "U-Boot (or similar) bootloader" + endchoice + ++source "arch/avr32/mach-at32ap/Kconfig" ++ + config LOAD_ADDRESS + hex + default 0x10000000 if LOADER_U_BOOT=y && CPU_AT32AP7000=y +@@ -160,6 +162,10 @@ + enabling Nexus-compliant debuggers to keep track of the PID of the + currently executing task. + ++config DW_DMAC ++ tristate "Synopsys DesignWare DMA Controller support" ++ default y if CPU_AT32AP7000 ++ + # FPU emulation goes here + + source "kernel/Kconfig.hz" +@@ -195,6 +201,8 @@ + + source "fs/Kconfig" + ++source "arch/avr32/oprofile/Kconfig" ++ + source "arch/avr32/Kconfig.debug" + + source "security/Kconfig" +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/cpu.c linux-2.6.20.4-atmel/arch/avr32/kernel/cpu.c +--- linux-2.6.20.4-0rig/arch/avr32/kernel/cpu.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/cpu.c 2007-03-24 16:42:28.000000000 +0100 +@@ -9,6 +9,7 @@ + #include <linux/sysdev.h> + #include <linux/seq_file.h> + #include <linux/cpu.h> ++#include <linux/module.h> + #include <linux/percpu.h> + #include <linux/param.h> + #include <linux/errno.h> +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/dma-controller.c linux-2.6.20.4-atmel/arch/avr32/kernel/dma-controller.c +--- linux-2.6.20.4-0rig/arch/avr32/kernel/dma-controller.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/dma-controller.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,34 @@ ++/* ++ * Preliminary DMA controller framework for AVR32 ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include <asm/dma-controller.h> ++ ++static LIST_HEAD(controllers); ++ ++int register_dma_controller(struct dma_controller *dmac) ++{ ++ static int next_id; ++ ++ dmac->id = next_id++; ++ list_add_tail(&dmac->list, &controllers); ++ ++ return 0; ++} ++EXPORT_SYMBOL(register_dma_controller); ++ ++struct dma_controller *find_dma_controller(int id) ++{ ++ struct dma_controller *dmac; ++ ++ list_for_each_entry(dmac, &controllers, list) ++ if (dmac->id == id) ++ return dmac; ++ return NULL; ++} ++EXPORT_SYMBOL(find_dma_controller); +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/irq.c linux-2.6.20.4-atmel/arch/avr32/kernel/irq.c +--- linux-2.6.20.4-0rig/arch/avr32/kernel/irq.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/irq.c 2007-03-24 16:42:28.000000000 +0100 +@@ -57,6 +57,7 @@ + seq_printf(p, "%3d: ", i); + for_each_online_cpu(cpu) + seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[i]); ++ seq_printf(p, " %8s", irq_desc[i].chip->name ? : "-"); + seq_printf(p, " %s", action->name); + for (action = action->next; action; action = action->next) + seq_printf(p, ", %s", action->name); +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/Makefile linux-2.6.20.4-atmel/arch/avr32/kernel/Makefile +--- linux-2.6.20.4-0rig/arch/avr32/kernel/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -9,6 +9,7 @@ + obj-y += setup.o traps.o semaphore.o ptrace.o + obj-y += signal.o sys_avr32.o process.o time.o + obj-y += init_task.o switch_to.o cpu.o ++obj-y += dma-controller.o + obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o + obj-$(CONFIG_KPROBES) += kprobes.o + +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/setup.c linux-2.6.20.4-atmel/arch/avr32/kernel/setup.c +--- linux-2.6.20.4-0rig/arch/avr32/kernel/setup.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/setup.c 2007-03-24 16:42:28.000000000 +0100 +@@ -16,6 +16,7 @@ + #include <linux/module.h> + #include <linux/root_dev.h> + #include <linux/cpu.h> ++#include <linux/kernel.h> + + #include <asm/sections.h> + #include <asm/processor.h> +@@ -174,8 +175,7 @@ + * Copy the data so the bootmem init code doesn't need to care + * about it. + */ +- if (mem_range_next_free >= +- (sizeof(mem_range_cache) / sizeof(mem_range_cache[0]))) ++ if (mem_range_next_free >= ARRAY_SIZE(mem_range_cache)) + panic("Physical memory map too complex!\n"); + + new = &mem_range_cache[mem_range_next_free++]; +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/syscall_table.S linux-2.6.20.4-atmel/arch/avr32/kernel/syscall_table.S +--- linux-2.6.20.4-0rig/arch/avr32/kernel/syscall_table.S 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/syscall_table.S 2007-03-24 16:42:28.000000000 +0100 +@@ -8,14 +8,6 @@ + * published by the Free Software Foundation. + */ + +-#if !defined(CONFIG_NFSD) && !defined(CONFIG_NFSD_MODULE) +-#define sys_nfsservctl sys_ni_syscall +-#endif +- +-#if !defined(CONFIG_SYSV_IPC) +-# define sys_ipc sys_ni_syscall +-#endif +- + .section .rodata,"a",@progbits + .type sys_call_table,@object + .global sys_call_table +@@ -129,7 +121,7 @@ + .long sys_getitimer /* 105 */ + .long sys_swapoff + .long sys_sysinfo +- .long sys_ipc ++ .long sys_ni_syscall /* was sys_ipc briefly */ + .long sys_sendfile + .long sys_setdomainname /* 110 */ + .long sys_newuname +@@ -287,4 +279,16 @@ + .long sys_tee + .long sys_vmsplice + .long __sys_epoll_pwait /* 265 */ ++ .long sys_msgget ++ .long sys_msgsnd ++ .long sys_msgrcv ++ .long sys_msgctl ++ .long sys_semget /* 270 */ ++ .long sys_semop ++ .long sys_semctl ++ .long sys_semtimedop ++ .long sys_shmat ++ .long sys_shmget /* 275 */ ++ .long sys_shmdt ++ .long sys_shmctl + .long sys_ni_syscall /* r8 is saturated at nr_syscalls */ +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/time.c linux-2.6.20.4-atmel/arch/avr32/kernel/time.c +--- linux-2.6.20.4-0rig/arch/avr32/kernel/time.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/time.c 2007-03-24 16:42:29.000000000 +0100 +@@ -21,6 +21,7 @@ + #include <linux/profile.h> + #include <linux/sysdev.h> + ++#include <asm/intc.h> + #include <asm/div64.h> + #include <asm/sysreg.h> + #include <asm/io.h> +@@ -136,6 +137,10 @@ + { + unsigned int count; + ++ /* Check if interrupt is timer or performance counters */ ++ if (!(intc_get_pending(irq) & 1)) ++ return IRQ_NONE; ++ + /* ack timer interrupt and try to set next interrupt */ + count = avr32_hpt_read(); + avr32_timer_ack(); +@@ -164,7 +169,7 @@ + + static struct irqaction timer_irqaction = { + .handler = timer_interrupt, +- .flags = IRQF_DISABLED, ++ .flags = IRQF_DISABLED|IRQF_SHARED, + .name = "timer", + }; + +diff -urN linux-2.6.20.4-0rig/arch/avr32/kernel/traps.c linux-2.6.20.4-atmel/arch/avr32/kernel/traps.c +--- linux-2.6.20.4-0rig/arch/avr32/kernel/traps.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/kernel/traps.c 2007-03-24 16:42:28.000000000 +0100 +@@ -49,39 +49,45 @@ + return; + } + ++static inline int valid_stack_ptr(struct thread_info *tinfo, unsigned long p) ++{ ++ return (p > (unsigned long)tinfo) ++ && (p < (unsigned long)tinfo + THREAD_SIZE - 3); ++} ++ + #ifdef CONFIG_FRAME_POINTER + static inline void __show_trace(struct task_struct *tsk, unsigned long *sp, + struct pt_regs *regs) + { +- unsigned long __user *fp; +- unsigned long __user *last_fp = NULL; ++ unsigned long lr, fp; ++ struct thread_info *tinfo; + +- if (regs) { +- fp = (unsigned long __user *)regs->r7; +- } else if (tsk == current) { +- register unsigned long __user *real_fp __asm__("r7"); +- fp = real_fp; +- } else { +- fp = (unsigned long __user *)tsk->thread.cpu_context.r7; +- } ++ tinfo = (struct thread_info *) ++ ((unsigned long)sp & ~(THREAD_SIZE - 1)); ++ ++ if (regs) ++ fp = regs->r7; ++ else if (tsk == current) ++ asm("mov %0, r7" : "=r"(fp)); ++ else ++ fp = tsk->thread.cpu_context.r7; + + /* +- * Walk the stack until (a) we get an exception, (b) the frame +- * pointer becomes zero, or (c) the frame pointer gets stuck +- * at the same value. ++ * Walk the stack as long as the frame pointer (a) is within ++ * the kernel stack of the task, and (b) it doesn't move ++ * downwards. + */ +- while (fp && fp != last_fp) { +- unsigned long lr, new_fp = 0; +- +- last_fp = fp; +- if (__get_user(lr, fp)) +- break; +- if (fp && __get_user(new_fp, fp + 1)) +- break; +- fp = (unsigned long __user *)new_fp; ++ while (valid_stack_ptr(tinfo, fp)) { ++ unsigned long new_fp; + ++ lr = *(unsigned long *)fp; + printk(" [<%08lx>] ", lr); + print_symbol("%s\n", lr); ++ ++ new_fp = *(unsigned long *)(fp + 4); ++ if (new_fp <= fp) ++ break; ++ fp = new_fp; + } + printk("\n"); + } +diff -urN linux-2.6.20.4-0rig/arch/avr32/lib/libgcc.h linux-2.6.20.4-atmel/arch/avr32/lib/libgcc.h +--- linux-2.6.20.4-0rig/arch/avr32/lib/libgcc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/lib/libgcc.h 1970-01-01 01:00:00.000000000 +0100 +@@ -1,33 +0,0 @@ +-/* Definitions for various functions 'borrowed' from gcc-3.4.3 */ +- +-#define BITS_PER_UNIT 8 +- +-typedef int QItype __attribute__ ((mode (QI))); +-typedef unsigned int UQItype __attribute__ ((mode (QI))); +-typedef int HItype __attribute__ ((mode (HI))); +-typedef unsigned int UHItype __attribute__ ((mode (HI))); +-typedef int SItype __attribute__ ((mode (SI))); +-typedef unsigned int USItype __attribute__ ((mode (SI))); +-typedef int DItype __attribute__ ((mode (DI))); +-typedef unsigned int UDItype __attribute__ ((mode (DI))); +-typedef float SFtype __attribute__ ((mode (SF))); +-typedef float DFtype __attribute__ ((mode (DF))); +-typedef int word_type __attribute__ ((mode (__word__))); +- +-#define W_TYPE_SIZE (4 * BITS_PER_UNIT) +-#define Wtype SItype +-#define UWtype USItype +-#define HWtype SItype +-#define UHWtype USItype +-#define DWtype DItype +-#define UDWtype UDItype +-#define __NW(a,b) __ ## a ## si ## b +-#define __NDW(a,b) __ ## a ## di ## b +- +-struct DWstruct {Wtype high, low;}; +- +-typedef union +-{ +- struct DWstruct s; +- DWtype ll; +-} DWunion; +diff -urN linux-2.6.20.4-0rig/arch/avr32/lib/longlong.h linux-2.6.20.4-atmel/arch/avr32/lib/longlong.h +--- linux-2.6.20.4-0rig/arch/avr32/lib/longlong.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/lib/longlong.h 1970-01-01 01:00:00.000000000 +0100 +@@ -1,98 +0,0 @@ +-/* longlong.h -- definitions for mixed size 32/64 bit arithmetic. +- Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000 +- Free Software Foundation, Inc. +- +- This definition file is free software; you can redistribute it +- and/or modify it under the terms of the GNU General Public +- License as published by the Free Software Foundation; either +- version 2, or (at your option) any later version. +- +- This definition file is distributed in the hope that it will be +- useful, but WITHOUT ANY WARRANTY; without even the implied +- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +- See the GNU General Public License for more details. +- +- You should have received a copy of the GNU General Public License +- along with this program; if not, write to the Free Software +- Foundation, Inc., 59 Temple Place - Suite 330, +- Boston, MA 02111-1307, USA. */ +- +-/* Borrowed from gcc-3.4.3 */ +- +-#define __BITS4 (W_TYPE_SIZE / 4) +-#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) +-#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) +-#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) +- +-#define count_leading_zeros(count, x) ((count) = __builtin_clz(x)) +- +-#define __udiv_qrnnd_c(q, r, n1, n0, d) \ +- do { \ +- UWtype __d1, __d0, __q1, __q0; \ +- UWtype __r1, __r0, __m; \ +- __d1 = __ll_highpart (d); \ +- __d0 = __ll_lowpart (d); \ +- \ +- __r1 = (n1) % __d1; \ +- __q1 = (n1) / __d1; \ +- __m = (UWtype) __q1 * __d0; \ +- __r1 = __r1 * __ll_B | __ll_highpart (n0); \ +- if (__r1 < __m) \ +- { \ +- __q1--, __r1 += (d); \ +- if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ +- if (__r1 < __m) \ +- __q1--, __r1 += (d); \ +- } \ +- __r1 -= __m; \ +- \ +- __r0 = __r1 % __d1; \ +- __q0 = __r1 / __d1; \ +- __m = (UWtype) __q0 * __d0; \ +- __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ +- if (__r0 < __m) \ +- { \ +- __q0--, __r0 += (d); \ +- if (__r0 >= (d)) \ +- if (__r0 < __m) \ +- __q0--, __r0 += (d); \ +- } \ +- __r0 -= __m; \ +- \ +- (q) = (UWtype) __q1 * __ll_B | __q0; \ +- (r) = __r0; \ +- } while (0) +- +-#define udiv_qrnnd __udiv_qrnnd_c +- +-#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +- do { \ +- UWtype __x; \ +- __x = (al) - (bl); \ +- (sh) = (ah) - (bh) - (__x > (al)); \ +- (sl) = __x; \ +- } while (0) +- +-#define umul_ppmm(w1, w0, u, v) \ +- do { \ +- UWtype __x0, __x1, __x2, __x3; \ +- UHWtype __ul, __vl, __uh, __vh; \ +- \ +- __ul = __ll_lowpart (u); \ +- __uh = __ll_highpart (u); \ +- __vl = __ll_lowpart (v); \ +- __vh = __ll_highpart (v); \ +- \ +- __x0 = (UWtype) __ul * __vl; \ +- __x1 = (UWtype) __ul * __vh; \ +- __x2 = (UWtype) __uh * __vl; \ +- __x3 = (UWtype) __uh * __vh; \ +- \ +- __x1 += __ll_highpart (__x0);/* this can't give carry */ \ +- __x1 += __x2; /* but this indeed can */ \ +- if (__x1 < __x2) /* did we get it? */ \ +- __x3 += __ll_B; /* yes, add it in the proper pos. */ \ +- \ +- (w1) = __x3 + __ll_highpart (__x1); \ +- (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ +- } while (0) +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/at32ap7000.c linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/at32ap7000.c +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/at32ap7000.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/at32ap7000.c 2007-03-24 16:42:29.000000000 +0100 +@@ -8,6 +8,7 @@ + #include <linux/clk.h> + #include <linux/init.h> + #include <linux/platform_device.h> ++#include <linux/spi/spi.h> + + #include <asm/io.h> + +@@ -310,8 +311,6 @@ + { + u32 control; + +- BUG_ON(clk->index > 7); +- + control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + if (enabled) + control |= SM_BIT(CEN); +@@ -325,11 +324,6 @@ + u32 control; + unsigned long div = 1; + +- BUG_ON(clk->index > 7); +- +- if (!clk->parent) +- return 0; +- + control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + if (control & SM_BIT(DIVEN)) + div = 2 * (SM_BFEXT(DIV, control) + 1); +@@ -342,11 +336,6 @@ + u32 control; + unsigned long parent_rate, actual_rate, div; + +- BUG_ON(clk->index > 7); +- +- if (!clk->parent) +- return 0; +- + parent_rate = clk->parent->get_rate(clk->parent); + control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + +@@ -373,11 +362,8 @@ + { + u32 control; + +- BUG_ON(clk->index > 7); +- + printk("clk %s: new parent %s (was %s)\n", +- clk->name, parent->name, +- clk->parent ? clk->parent->name : "(null)"); ++ clk->name, parent->name, clk->parent->name); + + control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + +@@ -399,6 +385,22 @@ + return 0; + } + ++static void __init genclk_init_parent(struct clk *clk) ++{ ++ u32 control; ++ struct clk *parent; ++ ++ BUG_ON(clk->index > 7); ++ ++ control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); ++ if (control & SM_BIT(OSCSEL)) ++ parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1; ++ else ++ parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0; ++ ++ clk->parent = parent; ++} ++ + /* -------------------------------------------------------------------- + * System peripherals + * -------------------------------------------------------------------- */ +@@ -464,6 +466,17 @@ + .users = 1, + }; + ++static struct resource dmaca0_resource[] = { ++ { ++ .start = 0xff200000, ++ .end = 0xff20ffff, ++ .flags = IORESOURCE_MEM, ++ }, ++ IRQ(2), ++}; ++DEFINE_DEV(dmaca, 0); ++DEV_CLK(hclk, dmaca0, hsb, 10); ++ + /* -------------------------------------------------------------------- + * PIO + * -------------------------------------------------------------------- */ +@@ -496,19 +509,28 @@ + DEFINE_DEV(pio, 3); + DEV_CLK(mck, pio3, pba, 13); + ++static struct resource pio4_resource[] = { ++ PBMEM(0xffe03800), ++ IRQ(17), ++}; ++DEFINE_DEV(pio, 4); ++DEV_CLK(mck, pio4, pba, 14); ++ + void __init at32_add_system_devices(void) + { +- system_manager.eim_first_irq = NR_INTERNAL_IRQS; ++ system_manager.eim_first_irq = EIM_IRQ_BASE; + + platform_device_register(&at32_sm_device); + platform_device_register(&at32_intc0_device); + platform_device_register(&smc0_device); + platform_device_register(&pdc_device); ++ platform_device_register(&dmaca0_device); + + platform_device_register(&pio0_device); + platform_device_register(&pio1_device); + platform_device_register(&pio2_device); + platform_device_register(&pio3_device); ++ platform_device_register(&pio4_device); + } + + /* -------------------------------------------------------------------- +@@ -521,7 +543,7 @@ + }; + static struct resource atmel_usart0_resource[] = { + PBMEM(0xffe00c00), +- IRQ(7), ++ IRQ(6), + }; + DEFINE_DEV_DATA(atmel_usart, 0); + DEV_CLK(usart, atmel_usart0, pba, 4); +@@ -583,7 +605,7 @@ + select_peripheral(PB(17), PERIPH_B, 0); /* TXD */ + } + +-static struct platform_device *at32_usarts[4]; ++static struct platform_device *__initdata at32_usarts[4]; + + void __init at32_map_usart(unsigned int hw_id, unsigned int line) + { +@@ -728,32 +750,156 @@ + /* -------------------------------------------------------------------- + * SPI + * -------------------------------------------------------------------- */ +-static struct resource spi0_resource[] = { ++static struct resource atmel_spi0_resource[] = { + PBMEM(0xffe00000), + IRQ(3), + }; +-DEFINE_DEV(spi, 0); +-DEV_CLK(mck, spi0, pba, 0); ++DEFINE_DEV(atmel_spi, 0); ++DEV_CLK(spi_clk, atmel_spi0, pba, 0); ++ ++static struct resource atmel_spi1_resource[] = { ++ PBMEM(0xffe00400), ++ IRQ(4), ++}; ++DEFINE_DEV(atmel_spi, 1); ++DEV_CLK(spi_clk, atmel_spi1, pba, 1); ++ ++static void __init ++at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, ++ unsigned int n, const u8 *pins) ++{ ++ unsigned int pin, mode; ++ ++ for (; n; n--, b++) { ++ b->bus_num = bus_num; ++ if (b->chip_select >= 4) ++ continue; ++ pin = (unsigned)b->controller_data; ++ if (!pin) { ++ pin = pins[b->chip_select]; ++ b->controller_data = (void *)pin; ++ } ++ mode = AT32_GPIOF_OUTPUT; ++ if (!(b->mode & SPI_CS_HIGH)) ++ mode |= AT32_GPIOF_HIGH; ++ at32_select_gpio(pin, mode); ++ } ++} + +-struct platform_device *__init at32_add_device_spi(unsigned int id) ++struct platform_device *__init ++at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n) + { ++ /* ++ * Manage the chipselects as GPIOs, normally using the same pins ++ * the SPI controller expects; but boards can use other pins. ++ */ ++ static u8 __initdata spi0_pins[] = ++ { GPIO_PIN_PA(3), GPIO_PIN_PA(4), ++ GPIO_PIN_PA(5), GPIO_PIN_PA(20), }; ++ static u8 __initdata spi1_pins[] = ++ { GPIO_PIN_PB(2), GPIO_PIN_PB(3), ++ GPIO_PIN_PB(4), GPIO_PIN_PA(27), }; + struct platform_device *pdev; + + switch (id) { + case 0: +- pdev = &spi0_device; ++ pdev = &atmel_spi0_device; + select_peripheral(PA(0), PERIPH_A, 0); /* MISO */ + select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */ + select_peripheral(PA(2), PERIPH_A, 0); /* SCK */ +- select_peripheral(PA(3), PERIPH_A, 0); /* NPCS0 */ +- select_peripheral(PA(4), PERIPH_A, 0); /* NPCS1 */ +- select_peripheral(PA(5), PERIPH_A, 0); /* NPCS2 */ ++ at32_spi_setup_slaves(0, b, n, spi0_pins); ++ break; ++ ++ case 1: ++ pdev = &atmel_spi1_device; ++ select_peripheral(PB(0), PERIPH_B, 0); /* MISO */ ++ select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */ ++ select_peripheral(PB(5), PERIPH_B, 0); /* SCK */ ++ at32_spi_setup_slaves(1, b, n, spi1_pins); + break; + + default: + return NULL; + } + ++ spi_register_board_info(b, n); ++ platform_device_register(pdev); ++ return pdev; ++} ++ ++/* -------------------------------------------------------------------- ++ * TWI ++ * -------------------------------------------------------------------- */ ++ ++static struct resource atmel_twi0_resource[] = { ++ PBMEM(0xffe00800), ++ IRQ(5), ++}; ++DEFINE_DEV(atmel_twi, 0); ++DEV_CLK(pclk,atmel_twi0,pba,2); ++ ++struct platform_device *__init ++at32_add_device_twi(unsigned int id) ++{ ++ struct platform_device *pdev; ++ ++ switch (id) { ++ case 0: ++ pdev = &atmel_twi0_device; ++ select_peripheral(PA(6), PERIPH_A, 0); /* SDA */ ++ select_peripheral(PA(7), PERIPH_A, 0); /* SCL */ ++ break; ++ ++ default: ++ return NULL; ++ } ++ ++ platform_device_register(pdev); ++ return pdev; ++} ++ ++/* -------------------------------------------------------------------- ++ * MMC ++ * -------------------------------------------------------------------- */ ++static struct mci_platform_data atmel_mci0_data = { ++ .detect_pin = GPIO_PIN_NONE, ++ .wp_pin = GPIO_PIN_NONE, ++}; ++static struct resource atmel_mci0_resource[] = { ++ PBMEM(0xfff02400), ++ IRQ(28), ++}; ++DEFINE_DEV_DATA(atmel_mci, 0); ++DEV_CLK(mci_clk, atmel_mci0, pbb, 9); ++ ++struct platform_device *__init ++at32_add_device_mci(unsigned int id, struct mci_platform_data *data) ++{ ++ struct platform_device *pdev; ++ ++ switch (id) { ++ case 0: ++ pdev = &atmel_mci0_device; ++ select_peripheral(PA(10), PERIPH_A, 0); /* CLK */ ++ select_peripheral(PA(11), PERIPH_A, 0); /* CMD */ ++ select_peripheral(PA(12), PERIPH_A, 0); /* DATA0 */ ++ select_peripheral(PA(13), PERIPH_A, 0); /* DATA1 */ ++ select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */ ++ select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */ ++ break; ++ default: ++ return NULL; ++ } ++ ++ if (data) { ++ if (data->detect_pin != GPIO_PIN_NONE) ++ at32_select_gpio(data->detect_pin, 0); ++ if (data->wp_pin != GPIO_PIN_NONE) ++ at32_select_gpio(data->wp_pin, 0); ++ memcpy(pdev->dev.platform_data, data, ++ sizeof(struct mci_platform_data)); ++ } ++ + platform_device_register(pdev); + return pdev; + } +@@ -837,6 +983,199 @@ + return pdev; + } + ++/* -------------------------------------------------------------------- ++ * USB Device Controller ++ * -------------------------------------------------------------------- */ ++static struct resource usba0_resource[] = { ++ { ++ .start = 0xff300000, ++ .end = 0xff3fffff, ++ .flags = IORESOURCE_MEM, ++ }, ++ PBMEM(0xfff03000), ++ IRQ(31), ++}; ++DEFINE_DEV(usba, 0); ++DEV_CLK(pclk, usba0, pbb, 12); ++DEV_CLK(hclk, usba0, hsb, 6); ++ ++struct platform_device *__init at32_add_device_usba(unsigned int id) ++{ ++ struct platform_device *pdev; ++ ++ switch (id) { ++ case 0: ++ pdev = &usba0_device; ++ /* USB pads are not multiplexed */ ++ break; ++ default: ++ return NULL; ++ } ++ ++ platform_device_register(pdev); ++ return pdev; ++} ++ ++/* -------------------------------------------------------------------- ++ * AC97C ++ * -------------------------------------------------------------------- */ ++static struct resource atmel_ac97c0_resource[] = { ++ PBMEM(0xfff02800), ++ IRQ(29), ++}; ++DEFINE_DEV(atmel_ac97c, 0); ++DEV_CLK(pclk, atmel_ac97c0, pbb, 10); ++ ++struct platform_device *__init ++at32_add_device_ac97c(unsigned int id) ++{ ++ struct platform_device *pdev; ++ ++ switch (id) { ++ case 0: ++ pdev = &atmel_ac97c0_device; ++ select_peripheral(PB(20), PERIPH_B, 0); /* SYNC */ ++ select_peripheral(PB(21), PERIPH_B, 0); /* SDO */ ++ select_peripheral(PB(22), PERIPH_B, 0); /* SDI */ ++ select_peripheral(PB(23), PERIPH_B, 0); /* SCLK */ ++ break; ++ default: ++ return NULL; ++ } ++ ++ platform_device_register(pdev); ++ return pdev; ++} ++ ++/* -------------------------------------------------------------------- ++ * DAC ++ * -------------------------------------------------------------------- */ ++static struct resource abdac0_resource[] = { ++ PBMEM(0xfff02000), ++ IRQ(27), ++}; ++DEFINE_DEV(abdac, 0); ++DEV_CLK(pclk, abdac0, pbb, 8); ++static struct clk abdac0_sample_clk = { ++ .name = "sample_clk", ++ .dev = &abdac0_device.dev, ++ .mode = genclk_mode, ++ .get_rate = genclk_get_rate, ++ .set_rate = genclk_set_rate, ++ .set_parent = genclk_set_parent, ++ .index = 6, ++}; ++ ++struct platform_device *__init ++at32_add_device_abdac(unsigned int id) ++{ ++ struct platform_device *pdev; ++ ++ switch (id) { ++ case 0: ++ pdev = &abdac0_device; ++ select_peripheral(PB(20), PERIPH_A, 0); /* DATA1 */ ++ select_peripheral(PB(21), PERIPH_A, 0); /* DATA0 */ ++ select_peripheral(PB(22), PERIPH_A, 0); /* DATAN1 */ ++ select_peripheral(PB(23), PERIPH_A, 0); /* DATAN0 */ ++ break; ++ default: ++ return NULL; ++ } ++ ++ platform_device_register(pdev); ++ return pdev; ++} ++ ++/* -------------------------------------------------------------------- ++ * ISI ++ * -------------------------------------------------------------------- */ ++static struct resource atmel_isi0_resource[] = { ++ PBMEM(0xfff02c00), ++ IRQ(30), ++}; ++DEFINE_DEV(atmel_isi, 0); ++DEV_CLK(hclk, atmel_isi0, hsb, 5); ++DEV_CLK(pclk, atmel_isi0, pbb, 11); ++ ++struct platform_device *__init ++at32_add_device_isi(unsigned int id) ++{ ++ struct platform_device *pdev; ++ ++ switch (id) { ++ case 0: ++ pdev = &atmel_isi0_device; ++ select_peripheral(PB(0), PERIPH_A, 0); /* DATA0 */ ++ select_peripheral(PB(1), PERIPH_A, 0); /* DATA1 */ ++ select_peripheral(PB(2), PERIPH_A, 0); /* DATA2 */ ++ select_peripheral(PB(3), PERIPH_A, 0); /* DATA3 */ ++ select_peripheral(PB(4), PERIPH_A, 0); /* DATA4 */ ++ select_peripheral(PB(5), PERIPH_A, 0); /* DATA5 */ ++ select_peripheral(PB(6), PERIPH_A, 0); /* DATA6 */ ++ select_peripheral(PB(7), PERIPH_A, 0); /* DATA7 */ ++ select_peripheral(PB(11), PERIPH_B, 0); /* DATA8 */ ++ select_peripheral(PB(12), PERIPH_B, 0); /* DATA9 */ ++ select_peripheral(PB(13), PERIPH_B, 0); /* DATA10 */ ++ select_peripheral(PB(14), PERIPH_B, 0); /* DATA11 */ ++ select_peripheral(PB(8), PERIPH_A, 0); /* HSYNC */ ++ select_peripheral(PB(9), PERIPH_A, 0); /* VSYNC */ ++ select_peripheral(PB(10), PERIPH_A, 0); /* PCLK */ ++ break; ++ ++ default: ++ return NULL; ++ } ++ ++ platform_device_register(pdev); ++ ++ return pdev; ++} ++ ++/* -------------------------------------------------------------------- ++ * GCLK ++ * -------------------------------------------------------------------- */ ++static struct clk gclk0 = { ++ .name = "gclk0", ++ .mode = genclk_mode, ++ .get_rate = genclk_get_rate, ++ .set_rate = genclk_set_rate, ++ .set_parent = genclk_set_parent, ++ .index = 0, ++}; ++static struct clk gclk1 = { ++ .name = "gclk1", ++ .mode = genclk_mode, ++ .get_rate = genclk_get_rate, ++ .set_rate = genclk_set_rate, ++ .set_parent = genclk_set_parent, ++ .index = 1, ++}; ++static struct clk gclk2 = { ++ .name = "gclk2", ++ .mode = genclk_mode, ++ .get_rate = genclk_get_rate, ++ .set_rate = genclk_set_rate, ++ .set_parent = genclk_set_parent, ++ .index = 2, ++}; ++static struct clk gclk3 = { ++ .name = "gclk3", ++ .mode = genclk_mode, ++ .get_rate = genclk_get_rate, ++ .set_rate = genclk_set_rate, ++ .set_parent = genclk_set_parent, ++ .index = 3, ++}; ++static struct clk gclk4 = { ++ .name = "gclk4", ++ .mode = genclk_mode, ++ .get_rate = genclk_get_rate, ++ .set_rate = genclk_set_rate, ++ .set_parent = genclk_set_parent, ++ .index = 4, ++}; ++ + struct clk *at32_clock_list[] = { + &osc32k, + &osc0, +@@ -855,11 +1194,13 @@ + &smc0_mck, + &pdc_hclk, + &pdc_pclk, ++ &dmaca0_hclk, + &pico_clk, + &pio0_mck, + &pio1_mck, + &pio2_mck, + &pio3_mck, ++ &pio4_mck, + &atmel_usart0_usart, + &atmel_usart1_usart, + &atmel_usart2_usart, +@@ -868,9 +1209,24 @@ + &macb0_pclk, + &macb1_hclk, + &macb1_pclk, +- &spi0_mck, ++ &atmel_spi0_spi_clk, ++ &atmel_spi1_spi_clk, ++ &atmel_twi0_pclk, ++ &atmel_mci0_mci_clk, + &lcdc0_hclk, + &lcdc0_pixclk, ++ &usba0_pclk, ++ &usba0_hclk, ++ &atmel_ac97c0_pclk, ++ &abdac0_pclk, ++ &abdac0_sample_clk, ++ &gclk0, ++ &gclk1, ++ &gclk2, ++ &gclk3, ++ &gclk4, ++ &atmel_isi0_hclk, ++ &atmel_isi0_pclk, + }; + unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list); + +@@ -880,6 +1236,7 @@ + at32_init_pio(&pio1_device); + at32_init_pio(&pio2_device); + at32_init_pio(&pio3_device); ++ at32_init_pio(&pio4_device); + } + + void __init at32_clock_init(void) +@@ -898,6 +1255,14 @@ + if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC)) + pll1.parent = &osc1; + ++ genclk_init_parent(&gclk0); ++ genclk_init_parent(&gclk1); ++ genclk_init_parent(&gclk2); ++ genclk_init_parent(&gclk3); ++ genclk_init_parent(&gclk4); ++ genclk_init_parent(&lcdc0_pixclk); ++ genclk_init_parent(&abdac0_sample_clk); ++ + /* + * Turn on all clocks that have at least one user already, and + * turn off everything else. We only do this for module +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/clock.c linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/clock.c +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/clock.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/clock.c 2007-03-24 16:42:28.000000000 +0100 +@@ -63,7 +63,11 @@ + + static void __clk_disable(struct clk *clk) + { +- BUG_ON(clk->users == 0); ++ if (clk->users == 0) { ++ printk(KERN_ERR "%s: mismatched disable\n", clk->name); ++ WARN_ON(1); ++ return; ++ } + + if (--clk->users == 0 && clk->mode) + clk->mode(clk, 0); +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/extint.c linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/extint.c +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/extint.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/extint.c 2007-03-24 16:42:28.000000000 +0100 +@@ -55,20 +55,11 @@ + unsigned long flags; + int ret = 0; + ++ flow_type &= IRQ_TYPE_SENSE_MASK; + if (flow_type == IRQ_TYPE_NONE) + flow_type = IRQ_TYPE_LEVEL_LOW; + + desc = &irq_desc[irq]; +- desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); +- desc->status |= flow_type & IRQ_TYPE_SENSE_MASK; +- +- if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) { +- desc->status |= IRQ_LEVEL; +- set_irq_handler(irq, handle_level_irq); +- } else { +- set_irq_handler(irq, handle_edge_irq); +- } +- + spin_lock_irqsave(&sm->lock, flags); + + mode = sm_readl(sm, EIM_MODE); +@@ -97,9 +88,16 @@ + break; + } + +- sm_writel(sm, EIM_MODE, mode); +- sm_writel(sm, EIM_EDGE, edge); +- sm_writel(sm, EIM_LEVEL, level); ++ if (ret == 0) { ++ sm_writel(sm, EIM_MODE, mode); ++ sm_writel(sm, EIM_EDGE, edge); ++ sm_writel(sm, EIM_LEVEL, level); ++ ++ if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) ++ flow_type |= IRQ_LEVEL; ++ desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); ++ desc->status |= flow_type; ++ } + + spin_unlock_irqrestore(&sm->lock, flags); + +@@ -122,8 +120,6 @@ + unsigned long status, pending; + unsigned int i, ext_irq; + +- spin_lock(&sm->lock); +- + status = sm_readl(sm, EIM_ISR); + pending = status & sm_readl(sm, EIM_IMR); + +@@ -133,10 +129,11 @@ + + ext_irq = i + sm->eim_first_irq; + ext_desc = irq_desc + ext_irq; +- ext_desc->handle_irq(ext_irq, ext_desc); ++ if (ext_desc->status & IRQ_LEVEL) ++ handle_level_irq(ext_irq, ext_desc); ++ else ++ handle_edge_irq(ext_irq, ext_desc); + } +- +- spin_unlock(&sm->lock); + } + + static int __init eim_init(void) +@@ -168,8 +165,9 @@ + sm->eim_chip = &eim_chip; + + for (i = 0; i < nr_irqs; i++) { ++ /* NOTE the handler we set here is ignored by the demux */ + set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip, +- handle_edge_irq); ++ handle_level_irq); + set_irq_chip_data(sm->eim_first_irq + i, sm); + } + +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/hsmc.c linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/hsmc.c +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/hsmc.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/hsmc.c 2007-03-24 16:42:29.000000000 +0100 +@@ -75,12 +75,35 @@ + return -EINVAL; + } + ++ switch (config->nwait_mode) { ++ case 0: ++ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_DISABLED); ++ break; ++ case 1: ++ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_RESERVED); ++ break; ++ case 2: ++ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_FROZEN); ++ break; ++ case 3: ++ mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_READY); ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ if (config->tdf_cycles) { ++ mode |= HSMC_BF(TDF_CYCLES, config->tdf_cycles); ++ } ++ + if (config->nrd_controlled) + mode |= HSMC_BIT(READ_MODE); + if (config->nwe_controlled) + mode |= HSMC_BIT(WRITE_MODE); + if (config->byte_write) + mode |= HSMC_BIT(BAT); ++ if (config->tdf_mode) ++ mode |= HSMC_BIT(TDF_MODE); + + pr_debug("smc cs%d: setup/%08x pulse/%08x cycle/%08x mode/%08x\n", + cs, setup, pulse, cycle, mode); +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/Kconfig linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/Kconfig +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,15 @@ ++if PLATFORM_AT32AP ++ ++menu "Atmel AVR32 AP options" ++ ++config PIO_DEV ++ bool "PIO /dev interface" ++ select CONFIGFS_FS ++ default y ++ help ++ Say `Y' to enable a /dev interface to the Parallel I/O ++ Controller. ++ ++endmenu ++ ++endif +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/Makefile linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/Makefile +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/Makefile 2007-03-24 16:42:28.000000000 +0100 +@@ -1,2 +1,2 @@ +-obj-y += at32ap.o clock.o pio.o intc.o extint.o hsmc.o ++obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o + obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o +diff -urN linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/pio.c linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/pio.c +--- linux-2.6.20.4-0rig/arch/avr32/mach-at32ap/pio.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mach-at32ap/pio.c 2007-03-24 16:42:29.000000000 +0100 +@@ -12,7 +12,9 @@ + #include <linux/debugfs.h> + #include <linux/fs.h> + #include <linux/platform_device.h> ++#include <linux/irq.h> + ++#include <asm/gpio.h> + #include <asm/io.h> + + #include <asm/arch/portmux.h> +@@ -23,10 +25,11 @@ + + struct pio_device { + void __iomem *regs; +- const struct platform_device *pdev; ++ struct platform_device *pdev; + struct clk *clk; + u32 pinmux_mask; +- char name[32]; ++ u32 gpio_mask; ++ char name[8]; + }; + + static struct pio_device pio_dev[MAX_NR_PIO_DEVICES]; +@@ -76,6 +79,9 @@ + if (!(flags & AT32_GPIOF_PULLUP)) + pio_writel(pio, PUDR, mask); + ++ /* gpio_request NOT allowed */ ++ set_bit(pin_index, &pio->gpio_mask); ++ + return; + + fail: +@@ -99,19 +105,52 @@ + goto fail; + } + +- pio_writel(pio, PUER, mask); +- if (flags & AT32_GPIOF_HIGH) +- pio_writel(pio, SODR, mask); +- else +- pio_writel(pio, CODR, mask); +- if (flags & AT32_GPIOF_OUTPUT) ++ if (flags & AT32_GPIOF_OUTPUT) { ++ if (flags & AT32_GPIOF_HIGH) ++ pio_writel(pio, SODR, mask); ++ else ++ pio_writel(pio, CODR, mask); ++ pio_writel(pio, PUDR, mask); + pio_writel(pio, OER, mask); +- else ++ } else { ++ if (flags & AT32_GPIOF_PULLUP) ++ pio_writel(pio, PUER, mask); ++ else ++ pio_writel(pio, PUDR, mask); ++ if (flags & AT32_GPIOF_DEGLITCH) ++ pio_writel(pio, IFER, mask); ++ else ++ pio_writel(pio, IFDR, mask); + pio_writel(pio, ODR, mask); ++ } + + pio_writel(pio, PER, mask); +- if (!(flags & AT32_GPIOF_PULLUP)) +- pio_writel(pio, PUDR, mask); ++ ++ /* gpio_request now allowed */ ++ clear_bit(pin_index, &pio->gpio_mask); ++ ++ return; ++ ++fail: ++ dump_stack(); ++} ++ ++/* Reserve a pin, preventing anyone else from changing its configuration. */ ++void __init at32_reserve_pin(unsigned int pin) ++{ ++ struct pio_device *pio; ++ unsigned int pin_index = pin & 0x1f; ++ ++ pio = gpio_to_pio(pin); ++ if (unlikely(!pio)) { ++ printk("pio: invalid pin %u\n", pin); ++ goto fail; ++ } ++ ++ if (unlikely(test_and_set_bit(pin_index, &pio->pinmux_mask))) { ++ printk("%s: pin %u is busy\n", pio->name, pin_index); ++ goto fail; ++ } + + return; + +@@ -119,20 +158,793 @@ + dump_stack(); + } + ++/*--------------------------------------------------------------------------*/ ++ ++static unsigned int pio_id(struct pio_device *pio) ++{ ++ return pio - pio_dev; ++} ++ ++static void __disable_gpio(struct pio_device *pio, u32 mask) ++{ ++ pio_writel(pio, PUER, mask); ++ pio_writel(pio, ODR, mask); ++} ++ ++static void pio_dealloc_mask(struct pio_device *pio, u32 mask) ++{ ++ u32 old, new; ++ ++ do { ++ old = pio->pinmux_mask; ++ new = old & ~mask; ++ } while (cmpxchg(&pio->pinmux_mask, old, new) != old); ++} ++ ++/* GPIO API */ ++ ++int gpio_request(unsigned int gpio, const char *label) ++{ ++ struct pio_device *pio; ++ unsigned int pin; ++ ++ pio = gpio_to_pio(gpio); ++ if (!pio) ++ return -ENODEV; ++ ++ pin = gpio & 0x1f; ++ if (test_and_set_bit(pin, &pio->gpio_mask)) ++ return -EBUSY; ++ ++ return 0; ++} ++EXPORT_SYMBOL(gpio_request); ++ ++void gpio_free(unsigned int gpio) ++{ ++ struct pio_device *pio; ++ unsigned int pin; ++ ++ pio = gpio_to_pio(gpio); ++ if (!pio) { ++ printk(KERN_ERR ++ "gpio: attempted to free invalid pin %u\n", gpio); ++ return; ++ } ++ ++ pin = gpio & 0x1f; ++ if (!test_and_clear_bit(pin, &pio->gpio_mask)) ++ printk(KERN_ERR "gpio: freeing free or non-gpio pin %s-%u\n", ++ pio->name, pin); ++} ++EXPORT_SYMBOL(gpio_free); ++ ++int gpio_direction_input(unsigned int gpio) ++{ ++ struct pio_device *pio; ++ unsigned int pin; ++ ++ pio = gpio_to_pio(gpio); ++ if (!pio) ++ return -ENODEV; ++ ++ pin = gpio & 0x1f; ++ pio_writel(pio, ODR, 1 << pin); ++ ++ return 0; ++} ++EXPORT_SYMBOL(gpio_direction_input); ++ ++int gpio_direction_output(unsigned int gpio) ++{ ++ struct pio_device *pio; ++ unsigned int pin; ++ ++ pio = gpio_to_pio(gpio); ++ if (!pio) ++ return -ENODEV; ++ ++ pin = gpio & 0x1f; ++ pio_writel(pio, OER, 1 << pin); ++ ++ return 0; ++} ++EXPORT_SYMBOL(gpio_direction_output); ++ ++int gpio_get_value(unsigned int gpio) ++{ ++ struct pio_device *pio = &pio_dev[gpio >> 5]; ++ ++ return (pio_readl(pio, PDSR) >> (gpio & 0x1f)) & 1; ++} ++EXPORT_SYMBOL(gpio_get_value); ++ ++void gpio_set_value(unsigned int gpio, int value) ++{ ++ struct pio_device *pio = &pio_dev[gpio >> 5]; ++ u32 mask; ++ ++ mask = 1 << (gpio & 0x1f); ++ if (value) ++ pio_writel(pio, SODR, mask); ++ else ++ pio_writel(pio, CODR, mask); ++} ++EXPORT_SYMBOL(gpio_set_value); ++ ++/*--------------------------------------------------------------------------*/ ++ ++/* GPIO IRQ support */ ++ ++static void gpio_irq_mask(unsigned irq) ++{ ++ unsigned gpio = irq_to_gpio(irq); ++ struct pio_device *pio = &pio_dev[gpio >> 5]; ++ ++ pio_writel(pio, IDR, 1 << (gpio & 0x1f)); ++} ++ ++static void gpio_irq_unmask(unsigned irq) ++{ ++ unsigned gpio = irq_to_gpio(irq); ++ struct pio_device *pio = &pio_dev[gpio >> 5]; ++ ++ pio_writel(pio, IER, 1 << (gpio & 0x1f)); ++} ++ ++static int gpio_irq_type(unsigned irq, unsigned type) ++{ ++ if (type != IRQ_TYPE_EDGE_BOTH && type != IRQ_TYPE_NONE) ++ return -EINVAL; ++ ++ return 0; ++} ++ ++static struct irq_chip gpio_irqchip = { ++ .name = "gpio", ++ .mask = gpio_irq_mask, ++ .unmask = gpio_irq_unmask, ++ .set_type = gpio_irq_type, ++}; ++ ++static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) ++{ ++ struct pio_device *pio = get_irq_chip_data(irq); ++ unsigned gpio_irq; ++ ++ gpio_irq = (unsigned) get_irq_data(irq); ++ for (;;) { ++ u32 isr; ++ struct irq_desc *d; ++ ++ /* ack pending GPIO interrupts */ ++ isr = pio_readl(pio, ISR) & pio_readl(pio, IMR); ++ if (!isr) ++ break; ++ do { ++ int i; ++ ++ i = ffs(isr) - 1; ++ isr &= ~(1 << i); ++ ++ i += gpio_irq; ++ d = &irq_desc[i]; ++ ++ d->handle_irq(i, d); ++ } while (isr); ++ } ++} ++ ++static void __init ++gpio_irq_setup(struct pio_device *pio, int irq, int gpio_irq) ++{ ++ unsigned i; ++ ++ set_irq_chip_data(irq, pio); ++ set_irq_data(irq, (void *) gpio_irq); ++ ++ for (i = 0; i < 32; i++, gpio_irq++) { ++ set_irq_chip_data(gpio_irq, pio); ++ set_irq_chip_and_handler(gpio_irq, &gpio_irqchip, ++ handle_simple_irq); ++ } ++ ++ set_irq_chained_handler(irq, gpio_irq_handler); ++} ++ ++/*--------------------------------------------------------------------------*/ ++ ++#ifdef CONFIG_PIO_DEV ++#include <linux/configfs.h> ++#include <linux/cdev.h> ++#include <linux/fs.h> ++#include <linux/interrupt.h> ++#include <linux/poll.h> ++#include <linux/uaccess.h> ++#include <linux/wait.h> ++ ++#define GPIO_DEV_MAX 8 ++ ++static struct class *gpio_dev_class; ++static dev_t gpio_devt; ++ ++struct gpio_item { ++ spinlock_t lock; ++ ++ struct pio_device *pio; ++ ++ int enabled; ++ int pio_id; ++ u32 pin_mask; ++ u32 oe_mask; ++ ++ /* Pin state last time we read it (for blocking reads) */ ++ u32 pin_state; ++ int changed; ++ ++ wait_queue_head_t change_wq; ++ struct fasync_struct *async_queue; ++ ++ int id; ++ struct class_device *gpio_dev; ++ struct cdev char_dev; ++ struct config_item item; ++}; ++ ++struct gpio_attribute { ++ struct configfs_attribute attr; ++ ssize_t (*show)(struct gpio_item *, char *); ++ ssize_t (*store)(struct gpio_item *, const char *, size_t); ++}; ++ ++static irqreturn_t gpio_dev_interrupt(int irq, void *dev_id) ++{ ++ struct gpio_item *gpio = dev_id; ++ u32 old_state, new_state; ++ ++ old_state = gpio->pin_state; ++ new_state = pio_readl(gpio->pio, PDSR); ++ gpio->pin_state = new_state; ++ ++ if (new_state != old_state) { ++ gpio->changed = 1; ++ wake_up_interruptible(&gpio->change_wq); ++ ++ if (gpio->async_queue) ++ kill_fasync(&gpio->async_queue, SIGIO, POLL_IN); ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++static int gpio_dev_open(struct inode *inode, struct file *file) ++{ ++ struct gpio_item *gpio = container_of(inode->i_cdev, ++ struct gpio_item, ++ char_dev); ++ unsigned int irq; ++ unsigned int i; ++ int ret; ++ ++ nonseekable_open(inode, file); ++ config_item_get(&gpio->item); ++ file->private_data = gpio; ++ ++ gpio->pin_state = pio_readl(gpio->pio, PDSR) & gpio->pin_mask; ++ gpio->changed = 1; ++ ++ for (i = 0; i < 32; i++) { ++ if (gpio->pin_mask & (1 << i)) { ++ irq = gpio_to_irq(32 * pio_id(gpio->pio) + i); ++ ret = request_irq(irq, gpio_dev_interrupt, 0, ++ "gpio-dev", gpio); ++ if (ret) ++ goto err_irq; ++ } ++ } ++ ++ return 0; ++ ++err_irq: ++ while (i--) { ++ if (gpio->pin_mask & (1 << i)) { ++ irq = gpio_to_irq(32 * pio_id(gpio->pio) + i); ++ free_irq(irq, gpio); ++ } ++ } ++ ++ config_item_put(&gpio->item); ++ ++ return ret; ++} ++ ++static int gpio_dev_fasync(int fd, struct file *file, int mode) ++{ ++ struct gpio_item *gpio = file->private_data; ++ ++ return fasync_helper(fd, file, mode, &gpio->async_queue); ++} ++ ++static int gpio_dev_release(struct inode *inode, struct file *file) ++{ ++ struct gpio_item *gpio = file->private_data; ++ unsigned int irq; ++ unsigned int i; ++ ++ gpio_dev_fasync(-1, file, 0); ++ ++ for (i = 0; i < 32; i++) { ++ if (gpio->pin_mask & (1 << i)) { ++ irq = gpio_to_irq(32 * pio_id(gpio->pio) + i); ++ free_irq(irq, gpio); ++ } ++ } ++ ++ config_item_put(&gpio->item); ++ ++ return 0; ++} ++ ++static unsigned int gpio_dev_poll(struct file *file, poll_table *wait) ++{ ++ struct gpio_item *gpio = file->private_data; ++ unsigned int mask = 0; ++ ++ poll_wait(file, &gpio->change_wq, wait); ++ if (gpio->changed) ++ mask |= POLLIN | POLLRDNORM; ++ ++ return mask; ++} ++ ++static ssize_t gpio_dev_read(struct file *file, char __user *buf, ++ size_t count, loff_t *offset) ++{ ++ struct gpio_item *gpio = file->private_data; ++ u32 value; ++ ++ spin_lock_irq(&gpio->lock); ++ while (!gpio->changed) { ++ spin_unlock_irq(&gpio->lock); ++ ++ if (file->f_flags & O_NONBLOCK) ++ return -EAGAIN; ++ ++ if (wait_event_interruptible(gpio->change_wq, gpio->changed)) ++ return -ERESTARTSYS; ++ ++ spin_lock_irq(&gpio->lock); ++ } ++ ++ gpio->changed = 0; ++ value = pio_readl(gpio->pio, PDSR) & gpio->pin_mask; ++ ++ spin_unlock_irq(&gpio->lock); ++ ++ count = min(count, (size_t)4); ++ if (copy_to_user(buf, &value, count)) ++ return -EFAULT; ++ ++ return count; ++} ++ ++static ssize_t gpio_dev_write(struct file *file, const char __user *buf, ++ size_t count, loff_t *offset) ++{ ++ struct gpio_item *gpio = file->private_data; ++ u32 value = 0; ++ u32 mask = ~0UL; ++ ++ count = min(count, (size_t)4); ++ if (copy_from_user(&value, buf, count)) ++ return -EFAULT; ++ ++ /* Assuming big endian */ ++ mask <<= (4 - count) * 8; ++ mask &= gpio->pin_mask; ++ ++ pio_writel(gpio->pio, CODR, ~value & mask); ++ pio_writel(gpio->pio, SODR, value & mask); ++ ++ return count; ++} ++ ++static struct file_operations gpio_dev_fops = { ++ .owner = THIS_MODULE, ++ .llseek = no_llseek, ++ .open = gpio_dev_open, ++ .release = gpio_dev_release, ++ .fasync = gpio_dev_fasync, ++ .poll = gpio_dev_poll, ++ .read = gpio_dev_read, ++ .write = gpio_dev_write, ++}; ++ ++static struct gpio_item *to_gpio_item(struct config_item *item) ++{ ++ return item ? container_of(item, struct gpio_item, item) : NULL; ++} ++ ++static ssize_t gpio_show_gpio_id(struct gpio_item *gpio, char *page) ++{ ++ return sprintf(page, "%d\n", gpio->pio_id); ++} ++ ++static ssize_t gpio_store_gpio_id(struct gpio_item *gpio, ++ const char *page, size_t count) ++{ ++ unsigned long id; ++ char *p = (char *)page; ++ ssize_t ret = -EINVAL; ++ ++ id = simple_strtoul(p, &p, 0); ++ if (!p || (*p && (*p != '\n'))) ++ return -EINVAL; ++ ++ /* Switching PIO is not allowed when live... */ ++ spin_lock(&gpio->lock); ++ if (!gpio->enabled) { ++ ret = -ENXIO; ++ if ((id < MAX_NR_PIO_DEVICES) && pio_dev[id].regs) { ++ gpio->pio_id = id; ++ ret = count; ++ } ++ } ++ spin_unlock(&gpio->lock); ++ ++ return ret; ++} ++ ++static ssize_t gpio_show_pin_mask(struct gpio_item *gpio, char *page) ++{ ++ return sprintf(page, "0x%08x\n", gpio->pin_mask); ++} ++ ++static ssize_t gpio_store_pin_mask(struct gpio_item *gpio, ++ const char *page, size_t count) ++{ ++ u32 new_mask; ++ char *p = (char *)page; ++ ssize_t ret = -EINVAL; ++ ++ new_mask = simple_strtoul(p, &p, 0); ++ if (!p || (*p && (*p != '\n'))) ++ return -EINVAL; ++ ++ /* Can't update the pin mask while live. */ ++ spin_lock(&gpio->lock); ++ if (!gpio->enabled) { ++ gpio->oe_mask &= new_mask; ++ gpio->pin_mask = new_mask; ++ ret = count; ++ } ++ spin_unlock(&gpio->lock); ++ ++ return ret; ++} ++ ++static ssize_t gpio_show_oe_mask(struct gpio_item *gpio, char *page) ++{ ++ return sprintf(page, "0x%08x\n", gpio->oe_mask); ++} ++ ++static ssize_t gpio_store_oe_mask(struct gpio_item *gpio, ++ const char *page, size_t count) ++{ ++ u32 mask; ++ char *p = (char *)page; ++ ssize_t ret = -EINVAL; ++ ++ mask = simple_strtoul(p, &p, 0); ++ if (!p || (*p && (*p != '\n'))) ++ return -EINVAL; ++ ++ spin_lock(&gpio->lock); ++ if (!gpio->enabled) { ++ gpio->oe_mask = mask & gpio->pin_mask; ++ ret = count; ++ } ++ spin_unlock(&gpio->lock); ++ ++ return ret; ++} ++ ++static ssize_t gpio_show_enabled(struct gpio_item *gpio, char *page) ++{ ++ return sprintf(page, "%d\n", gpio->enabled); ++} ++ ++static ssize_t gpio_store_enabled(struct gpio_item *gpio, ++ const char *page, size_t count) ++{ ++ struct pio_device *pio; ++ u32 old, new; ++ char *p = (char *)page; ++ int enabled; ++ int ret; ++ ++ enabled = simple_strtoul(p, &p, 0); ++ if (!p || (*p && (*p != '\n'))) ++ return -EINVAL; ++ ++ /* make it a boolean value */ ++ enabled = !!enabled; ++ ++ if (gpio->enabled == enabled) ++ /* Already enabled; do nothing. */ ++ return count; ++ ++ BUG_ON(gpio->id >= GPIO_DEV_MAX); ++ ++ if (!enabled) { ++ class_device_unregister(gpio->gpio_dev); ++ cdev_del(&gpio->char_dev); ++ __disable_gpio(gpio->pio, gpio->pin_mask); ++ pio_dealloc_mask(gpio->pio, gpio->pin_mask); ++ gpio->pio = NULL; ++ } else { ++ if (gpio->pio_id < 0 || !gpio->pin_mask) ++ return -ENODEV; ++ } ++ ++ /* Disallow any updates to gpio_id or pin_mask */ ++ spin_lock(&gpio->lock); ++ gpio->enabled = enabled; ++ spin_unlock(&gpio->lock); ++ ++ if (!enabled) ++ return count; ++ ++ /* Now, try to allocate the pins */ ++ ret = -EBUSY; ++ pio = gpio->pio = &pio_dev[gpio->pio_id]; ++ do { ++ old = pio->pinmux_mask; ++ if (old & gpio->pin_mask) ++ goto err_alloc_pins; ++ ++ new = old | gpio->pin_mask; ++ } while (cmpxchg(&pio->pinmux_mask, old, new) != old); ++ ++ pio_writel(pio, OER, gpio->oe_mask); ++ pio_writel(pio, PER, gpio->pin_mask); ++ ++ cdev_init(&gpio->char_dev, &gpio_dev_fops); ++ gpio->char_dev.owner = THIS_MODULE; ++ ret = cdev_add(&gpio->char_dev, MKDEV(MAJOR(gpio_devt), gpio->id), 1); ++ if (ret < 0) ++ goto err_cdev_add; ++ gpio->gpio_dev = class_device_create(gpio_dev_class, NULL, ++ MKDEV(MAJOR(gpio_devt), gpio->id), ++ &gpio->pio->pdev->dev, ++ "gpio%d", gpio->id); ++ if (IS_ERR(gpio->gpio_dev)) { ++ printk(KERN_ERR "failed to create gpio%d\n", gpio->id); ++ ret = PTR_ERR(gpio->gpio_dev); ++ goto err_class_dev; ++ } ++ ++ printk(KERN_INFO "created gpio%d (pio%d/0x%08x) as (%d:%d)\n", ++ gpio->id, pio_id(gpio->pio), gpio->pin_mask, ++ MAJOR(gpio->gpio_dev->devt), MINOR(gpio->gpio_dev->devt)); ++ ++ return 0; ++ ++err_class_dev: ++ cdev_del(&gpio->char_dev); ++err_cdev_add: ++ __disable_gpio(pio, gpio->pin_mask); ++ pio_dealloc_mask(pio, gpio->pin_mask); ++err_alloc_pins: ++ spin_lock(&gpio->lock); ++ gpio->enabled = 0; ++ spin_unlock(&gpio->lock); ++ gpio->pio = NULL; ++ ++ return ret; ++} ++ ++static struct gpio_attribute gpio_item_attr_gpio_id = { ++ .attr = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "gpio_id", ++ .ca_mode = S_IRUGO | S_IWUSR, ++ }, ++ .show = gpio_show_gpio_id, ++ .store = gpio_store_gpio_id, ++}; ++static struct gpio_attribute gpio_item_attr_pin_mask = { ++ .attr = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "pin_mask", ++ .ca_mode = S_IRUGO | S_IWUSR, ++ }, ++ .show = gpio_show_pin_mask, ++ .store = gpio_store_pin_mask, ++}; ++static struct gpio_attribute gpio_item_attr_oe_mask = { ++ .attr = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "oe_mask", ++ .ca_mode = S_IRUGO | S_IWUSR, ++ }, ++ .show = gpio_show_oe_mask, ++ .store = gpio_store_oe_mask, ++}; ++static struct gpio_attribute gpio_item_attr_enabled = { ++ .attr = { ++ .ca_owner = THIS_MODULE, ++ .ca_name = "enabled", ++ .ca_mode = S_IRUGO | S_IWUSR, ++ }, ++ .show = gpio_show_enabled, ++ .store = gpio_store_enabled, ++}; ++ ++static struct configfs_attribute *gpio_item_attrs[] = { ++ &gpio_item_attr_gpio_id.attr, ++ &gpio_item_attr_pin_mask.attr, ++ &gpio_item_attr_oe_mask.attr, ++ &gpio_item_attr_enabled.attr, ++ NULL, ++}; ++ ++static ssize_t gpio_show_attr(struct config_item *item, ++ struct configfs_attribute *attr, ++ char *page) ++{ ++ struct gpio_item *gpio_item = to_gpio_item(item); ++ struct gpio_attribute *gpio_attr ++ = container_of(attr, struct gpio_attribute, attr); ++ ssize_t ret = 0; ++ ++ if (gpio_attr->show) ++ ret = gpio_attr->show(gpio_item, page); ++ return ret; ++} ++ ++static ssize_t gpio_store_attr(struct config_item *item, ++ struct configfs_attribute *attr, ++ const char *page, size_t count) ++{ ++ struct gpio_item *gpio_item = to_gpio_item(item); ++ struct gpio_attribute *gpio_attr ++ = container_of(attr, struct gpio_attribute, attr); ++ ssize_t ret = -EINVAL; ++ ++ if (gpio_attr->store) ++ ret = gpio_attr->store(gpio_item, page, count); ++ return ret; ++} ++ ++static void gpio_release(struct config_item *item) ++{ ++ kfree(to_gpio_item(item)); ++} ++ ++static struct configfs_item_operations gpio_item_ops = { ++ .release = gpio_release, ++ .show_attribute = gpio_show_attr, ++ .store_attribute = gpio_store_attr, ++}; ++ ++static struct config_item_type gpio_item_type = { ++ .ct_item_ops = &gpio_item_ops, ++ .ct_attrs = gpio_item_attrs, ++ .ct_owner = THIS_MODULE, ++}; ++ ++static struct config_item *gpio_make_item(struct config_group *group, ++ const char *name) ++{ ++ static int next_id; ++ struct gpio_item *gpio; ++ ++ if (next_id >= GPIO_DEV_MAX) ++ return NULL; ++ ++ gpio = kzalloc(sizeof(struct gpio_item), GFP_KERNEL); ++ if (!gpio) ++ return NULL; ++ ++ gpio->id = next_id++; ++ config_item_init_type_name(&gpio->item, name, &gpio_item_type); ++ spin_lock_init(&gpio->lock); ++ init_waitqueue_head(&gpio->change_wq); ++ ++ return &gpio->item; ++} ++ ++static void gpio_drop_item(struct config_group *group, ++ struct config_item *item) ++{ ++ struct gpio_item *gpio = to_gpio_item(item); ++ struct pio_device *pio; ++ ++ spin_lock(&gpio->lock); ++ if (gpio->enabled) { ++ class_device_unregister(gpio->gpio_dev); ++ cdev_del(&gpio->char_dev); ++ } ++ ++ pio = gpio->pio; ++ if (pio) { ++ __disable_gpio(pio, gpio->pin_mask); ++ pio_dealloc_mask(pio, gpio->pin_mask); ++ gpio->pio = NULL; ++ } ++ spin_unlock(&gpio->lock); ++} ++ ++static struct configfs_group_operations gpio_group_ops = { ++ .make_item = gpio_make_item, ++ .drop_item = gpio_drop_item, ++}; ++ ++static struct config_item_type gpio_group_type = { ++ .ct_group_ops = &gpio_group_ops, ++ .ct_owner = THIS_MODULE, ++}; ++ ++static struct configfs_subsystem gpio_subsys = { ++ .su_group = { ++ .cg_item = { ++ .ci_namebuf = "gpio", ++ .ci_type = &gpio_group_type, ++ }, ++ }, ++}; ++ ++static int __init pio_init_dev(void) ++{ ++ int err; ++ ++ gpio_dev_class = class_create(THIS_MODULE, "gpio-dev"); ++ if (IS_ERR(gpio_dev_class)) { ++ err = PTR_ERR(gpio_dev_class); ++ goto err_class_create; ++ } ++ ++ err = alloc_chrdev_region(&gpio_devt, 0, GPIO_DEV_MAX, "gpio"); ++ if (err < 0) ++ goto err_alloc_chrdev; ++ ++ /* Configfs initialization */ ++ config_group_init(&gpio_subsys.su_group); ++ init_MUTEX(&gpio_subsys.su_sem); ++ err = configfs_register_subsystem(&gpio_subsys); ++ if (err) ++ goto err_register_subsys; ++ ++ return 0; ++ ++err_register_subsys: ++ unregister_chrdev_region(gpio_devt, GPIO_DEV_MAX); ++err_alloc_chrdev: ++ class_destroy(gpio_dev_class); ++err_class_create: ++ printk(KERN_WARNING "Failed to initialize gpio /dev interface\n"); ++ return err; ++} ++late_initcall(pio_init_dev); ++#endif /* CONFIG_PIO_DEV */ ++ + static int __init pio_probe(struct platform_device *pdev) + { + struct pio_device *pio = NULL; ++ int irq = platform_get_irq(pdev, 0); ++ int gpio_irq_base = GPIO_IRQ_BASE + pdev->id * 32; + + BUG_ON(pdev->id >= MAX_NR_PIO_DEVICES); + pio = &pio_dev[pdev->id]; + BUG_ON(!pio->regs); + +- /* TODO: Interrupts */ ++ gpio_irq_setup(pio, irq, gpio_irq_base); + + platform_set_drvdata(pdev, pio); + +- printk(KERN_INFO "%s: Atmel Port Multiplexer at 0x%p (irq %d)\n", +- pio->name, pio->regs, platform_get_irq(pdev, 0)); ++ printk(KERN_DEBUG "%s: base 0x%p, irq %d chains %d..%d\n", ++ pio->name, pio->regs, irq, gpio_irq_base, gpio_irq_base + 31); + + return 0; + } +@@ -148,7 +960,7 @@ + { + return platform_driver_register(&pio_driver); + } +-subsys_initcall(pio_init); ++postcore_initcall(pio_init); + + void __init at32_init_pio(struct platform_device *pdev) + { +@@ -184,6 +996,13 @@ + pio->pdev = pdev; + pio->regs = ioremap(regs->start, regs->end - regs->start + 1); + +- pio_writel(pio, ODR, ~0UL); +- pio_writel(pio, PER, ~0UL); ++ /* ++ * request_gpio() is only valid for pins that have been ++ * explicitly configured as GPIO and not previously requested ++ */ ++ pio->gpio_mask = ~0UL; ++ ++ /* start with irqs disabled and acked */ ++ pio_writel(pio, IDR, ~0UL); ++ (void) pio_readl(pio, ISR); + } +diff -urN linux-2.6.20.4-0rig/arch/avr32/Makefile linux-2.6.20.4-atmel/arch/avr32/Makefile +--- linux-2.6.20.4-0rig/arch/avr32/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -30,6 +30,8 @@ + core-$(CONFIG_LOADER_U_BOOT) += arch/avr32/boot/u-boot/ + core-y += arch/avr32/kernel/ + core-y += arch/avr32/mm/ ++drivers-$(CONFIG_OPROFILE) += arch/avr32/oprofile/ ++drivers-y += arch/avr32/drivers/ + libs-y += arch/avr32/lib/ + + archincdir-$(CONFIG_PLATFORM_AT32AP) := arch-at32ap +diff -urN linux-2.6.20.4-0rig/arch/avr32/mm/cache.c linux-2.6.20.4-atmel/arch/avr32/mm/cache.c +--- linux-2.6.20.4-0rig/arch/avr32/mm/cache.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mm/cache.c 2007-03-24 16:42:28.000000000 +0100 +@@ -22,18 +22,34 @@ + + void invalidate_dcache_region(void *start, size_t size) + { +- unsigned long v, begin, end, linesz; ++ unsigned long v, begin, end, linesz, mask; ++ int flush = 0; + + linesz = boot_cpu_data.dcache.linesz; ++ mask = linesz - 1; + +- //printk("invalidate dcache: %p + %u\n", start, size); +- +- /* You asked for it, you got it */ +- begin = (unsigned long)start & ~(linesz - 1); +- end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1); ++ /* when first and/or last cachelines are shared, flush them ++ * instead of invalidating ... never discard valid data! ++ */ ++ begin = (unsigned long)start; ++ end = begin + size - 1; ++ ++ if (begin & mask) { ++ flush_dcache_line(start); ++ begin += linesz; ++ flush = 1; ++ } ++ if ((end & mask) != mask) { ++ flush_dcache_line((void *)end); ++ end -= linesz; ++ flush = 1; ++ } + +- for (v = begin; v < end; v += linesz) ++ /* remaining cachelines only need invalidation */ ++ for (v = begin; v <= end; v += linesz) + invalidate_dcache_line((void *)v); ++ if (flush) ++ flush_write_buffer(); + } + + void clean_dcache_region(void *start, size_t size) +diff -urN linux-2.6.20.4-0rig/arch/avr32/mm/dma-coherent.c linux-2.6.20.4-atmel/arch/avr32/mm/dma-coherent.c +--- linux-2.6.20.4-0rig/arch/avr32/mm/dma-coherent.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/mm/dma-coherent.c 2007-03-24 16:42:29.000000000 +0100 +@@ -41,6 +41,13 @@ + struct page *page, *free, *end; + int order; + ++ /* Following is a work-around (a.k.a. hack) to prevent pages ++ * with __GFP_COMP being passed to split_page() which cannot ++ * handle them. The real problem is that this flag probably ++ * should be 0 on AVR32 as it is not supported on this ++ * platform--see CONFIG_HUGETLB_PAGE. */ ++ gfp &= ~(__GFP_COMP); ++ + size = PAGE_ALIGN(size); + order = get_order(size); + +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/common.c linux-2.6.20.4-atmel/arch/avr32/oprofile/common.c +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/common.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/common.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,169 @@ ++/* ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Author: Ronny Pedersen ++ */ ++ ++#define DEBUG ++#include <linux/init.h> ++#include <linux/oprofile.h> ++#include <linux/errno.h> ++#include <asm/semaphore.h> ++#include <linux/sysdev.h> ++ ++#include "op_avr32_model.h" ++#include "op_counter.h" ++ ++static struct op_avr32_model_spec *pc_model; ++static int pc_enabled = 0; ++static struct semaphore pc_sem; ++ ++ ++static int pc_start(void); ++static int pc_setup(void); ++static void pc_stop(void); ++static int pc_create_files(struct super_block *, struct dentry *); ++ ++ ++struct op_counter_config counter_config[OP_MAX_COUNTER]; ++ ++static int pc_suspend(struct sys_device *dev, u32 state) ++{ ++ if (pc_enabled) ++ pc_stop(); ++ return 0; ++} ++ ++static int pc_resume(struct sys_device *dev) ++{ ++ if (pc_enabled) ++ pc_start(); ++ return 0; ++} ++ ++static struct sysdev_class oprofile_sysclass = { ++ set_kset_name("oprofile"), ++ .resume = pc_resume, ++ .suspend = pc_suspend, ++}; ++ ++static struct sys_device device_oprofile = { ++ .id = 0, ++ .cls = &oprofile_sysclass, ++}; ++ ++static int __init init_driverfs(void) ++{ ++ int ret; ++ ++ if (!(ret = sysdev_class_register(&oprofile_sysclass))) ++ ret = sysdev_register(&device_oprofile); ++ ++ return ret; ++} ++ ++static void exit_driverfs(void) ++{ ++ sysdev_unregister(&device_oprofile); ++ sysdev_class_unregister(&oprofile_sysclass); ++} ++ ++static int pc_create_files(struct super_block *sb, struct dentry *root) ++{ ++ unsigned int i; ++ ++ pr_debug("AVR32 Peformance Counters: create files\n"); ++ for (i = 0; i < pc_model->num_counters; i++) { ++ struct dentry *dir; ++ char buf[2]; ++ ++ snprintf(buf, sizeof buf, "%d", i); ++ dir = oprofilefs_mkdir(sb, root, buf); ++ oprofilefs_create_ulong(sb, dir, "enabled", ++ &counter_config[i].enabled); ++ oprofilefs_create_ulong(sb, dir, "event", ++ &counter_config[i].event); ++ oprofilefs_create_ulong(sb, dir, "count", ++ &counter_config[i].count); ++ oprofilefs_create_ulong(sb, dir, "unit_mask", ++ &counter_config[i].unit_mask); ++ oprofilefs_create_ulong(sb, dir, "kernel", ++ &counter_config[i].kernel); ++ oprofilefs_create_ulong(sb, dir, "user", ++ &counter_config[i].user); ++ } ++ ++ return 0; ++} ++ ++static int pc_setup(void) ++{ ++ int ret; ++ ++ spin_lock(&oprofilefs_lock); ++ pr_debug("AVR32 Peformance Counters: setup\n"); ++ ret = pc_model->setup_ctrs(); ++ spin_unlock(&oprofilefs_lock); ++ return ret; ++} ++ ++static int pc_start(void) ++{ ++ int ret = -EBUSY; ++ ++ down(&pc_sem); ++ if (!pc_enabled) { ++ pr_debug("AVR32 Peformance Counters: start\n"); ++ ret = pc_model->start(); ++ pc_enabled = !ret; ++ } ++ up(&pc_sem); ++ return ret; ++} ++ ++static void pc_stop(void) ++{ ++ down(&pc_sem); ++ pr_debug("AVR32 Peformance Counters: stop\n"); ++ if (pc_enabled) ++ pc_model->stop(); ++ pc_enabled = 0; ++ up(&pc_sem); ++} ++ ++int __init pc_init(struct oprofile_operations *ops, ++ struct op_avr32_model_spec *spec) ++{ ++ init_MUTEX(&pc_sem); ++ ++ if ( spec->init ) ++ if (spec->init() < 0) ++ return -ENODEV; ++ ++ pc_model = spec; ++ init_driverfs(); ++ ops->create_files = pc_create_files; ++ ops->setup = pc_setup; ++ ops->shutdown = pc_stop; ++ ops->start = pc_start; ++ ops->stop = pc_stop; ++ ops->cpu_type = pc_model->name; ++ printk(KERN_INFO "oprofile: using %s Performance Counters\n", ++ spec->name); ++ pr_debug("AVR32 Peformance Counters: pc_init\n"); ++ ++ return 0; ++} ++ ++void pc_exit(void) ++{ ++ if (pc_model) { ++ pr_debug("AVR32 Peformance Counters: exit\n"); ++ exit_driverfs(); ++ pc_model = NULL; ++ } ++} +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/init.c linux-2.6.20.4-atmel/arch/avr32/oprofile/init.c +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/init.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/init.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,29 @@ ++/* ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Author: Ronny Pedersen ++ */ ++ ++#include <linux/oprofile.h> ++#include <linux/init.h> ++#include <linux/errno.h> ++#include "op_avr32_model.h" ++#include "op_model_avr32.h" ++ ++int __init oprofile_arch_init(struct oprofile_operations *ops) ++{ ++ int ret = -ENODEV; ++ ++ ret = pc_init(ops, &op_avr32_spec); ++ ++ return ret; ++} ++ ++void oprofile_arch_exit(void) ++{ ++ pc_exit(); ++} +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/Kconfig linux-2.6.20.4-atmel/arch/avr32/oprofile/Kconfig +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,23 @@ ++ ++menu "Profiling support" ++ depends on EXPERIMENTAL ++ ++config PROFILING ++ bool "Profiling support (EXPERIMENTAL)" ++ help ++ Say Y here to enable the extended profiling support mechanisms used ++ by profilers such as OProfile. ++ ++ ++config OPROFILE ++ tristate "OProfile system profiling (EXPERIMENTAL)" ++ depends on PROFILING ++ help ++ OProfile is a profiling system capable of profiling the ++ whole system, including the kernel, kernel modules, libraries, ++ and applications. ++ ++ If unsure, say N. ++ ++endmenu ++ +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/Makefile linux-2.6.20.4-atmel/arch/avr32/oprofile/Makefile +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,10 @@ ++obj-$(CONFIG_OPROFILE) += oprofile.o ++ ++DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ ++ oprof.o cpu_buffer.o buffer_sync.o \ ++ event_buffer.o oprofile_files.o \ ++ oprofilefs.o oprofile_stats.o \ ++ timer_int.o ) ++ ++oprofile-y := $(DRIVER_OBJS) init.o common.o ++oprofile-y += op_model_avr32.o +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/op_avr32_model.h linux-2.6.20.4-atmel/arch/avr32/oprofile/op_avr32_model.h +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/op_avr32_model.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/op_avr32_model.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,25 @@ ++/* ++ * interface to AVR32 machine specific operations ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Author: Ronny Pedersen ++ */ ++ ++#ifndef OP_AVR32_MODEL_H ++#define OP_AVR32_MODEL_H ++ ++struct op_avr32_model_spec { ++ int (*init)(void); ++ unsigned int num_counters; ++ int (*setup_ctrs)(void); ++ int (*start)(void); ++ void (*stop)(void); ++ char *name; ++}; ++ ++#endif /* OP_AVR32_MODEL_H */ +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/op_counter.h linux-2.6.20.4-atmel/arch/avr32/oprofile/op_counter.h +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/op_counter.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/op_counter.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,29 @@ ++/* ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Author: Ronny Pedersen ++ */ ++#ifndef OP_COUNTER_H ++#define OP_COUNTER_H ++ ++#define OP_MAX_COUNTER 3 ++ ++/* Per performance monitor configuration as set via ++ * oprofilefs. ++ */ ++struct op_counter_config { ++ unsigned long count; ++ unsigned long enabled; ++ unsigned long event; ++ unsigned long unit_mask; ++ unsigned long kernel; ++ unsigned long user; ++}; ++ ++extern struct op_counter_config counter_config[]; ++ ++#endif /* OP_COUNTER_H */ +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/op_model_avr32.c linux-2.6.20.4-atmel/arch/avr32/oprofile/op_model_avr32.c +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/op_model_avr32.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/op_model_avr32.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,222 @@ ++/* ++ * AVR32 Performance Counter Driver ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Authors: Sondre Garsjoe, Ronny Pedersen ++ */ ++ ++#define DEBUG ++ ++#include <linux/types.h> ++#include <linux/errno.h> ++#include <linux/sched.h> ++#include <linux/oprofile.h> ++#include <linux/interrupt.h> ++#include <asm/intc.h> ++#include <asm/irq.h> ++#include <asm/system.h> ++#include <asm/sysreg.h> ++ ++#include "op_counter.h" ++#include "op_avr32_model.h" ++ ++ ++#define PC_ENABLE 0x001 /* Enable counters */ ++#define PCNT_RESET 0x002 /* Reset event counters */ ++#define CCNT_RESET 0x004 /* Reset clock counter */ ++#define PC_RESET (CCNT_RESET | PCNT_RESET) ++#define PC_CNT64 0x008 /* Make CCNT count every 64th cycle */ ++ ++ ++#define EVT_UNUSED 0xFF ++ ++struct pc_counter { ++ volatile unsigned long ovf; ++ unsigned long reset_counter; ++}; ++ ++enum { PCCNT, PCNT0, PCNT1, MAX_COUNTERS }; ++ ++#define PCCNT_IE (1 << 4) ++#define PCNT0_IE (1 << 5) ++#define PCNT1_IE (1 << 6) ++ ++#define PCCNT_F (1 << 8) ++#define PCNT0_F (1 << 9) ++#define PCNT1_F (1 << 10) ++ ++#define AVR32_PC_IRQ 0 ++ ++static const u32 int_mask[MAX_COUNTERS] = { PCCNT_IE, PCNT0_IE, PCNT1_IE }; ++static const u32 ovf_mask[MAX_COUNTERS] = { PCCNT_F, PCNT0_F, PCNT1_F }; ++ ++static struct pc_counter results[MAX_COUNTERS]; ++ ++static void write_pccr(u32 val) ++{ ++ sysreg_write(PCCR, val); ++} ++ ++static u32 read_pccr(void) ++{ ++ return sysreg_read(PCCR); ++} ++ ++static u32 read_counter(int counter) ++{ ++ switch (counter) { ++ case PCCNT: ++ return sysreg_read(PCCNT); ++ case PCNT0: ++ return sysreg_read(PCNT0); ++ case PCNT1: ++ return sysreg_read(PCNT1); ++ default: ++ return 0; ++ } ++} ++ ++static void write_counter(int counter, u32 val) ++{ ++ switch (counter) { ++ case PCCNT: ++ sysreg_write(PCCNT, val); ++ case PCNT0: ++ sysreg_write(PCNT0, val); ++ case PCNT1: ++ sysreg_write(PCNT1, val); ++ default: ++ break; ++ } ++} ++ ++static int avr32_setup_ctrs(void) ++{ ++ u32 pccr; ++ int i; ++ ++ for (i = PCCNT; i < MAX_COUNTERS; i++) { ++ if (counter_config[i].enabled) ++ continue; ++ ++ counter_config[i].event = EVT_UNUSED; ++ } ++ ++ pccr = ((counter_config[PCNT1].event << 18) ++ | (counter_config[PCNT0].event << 12)); ++ pr_debug("avr32_setup_ctrs: pccr: %#08x\n", pccr); ++ write_pccr(pccr); ++ ++ for (i = PCCNT; i < MAX_COUNTERS; i++) { ++ if (counter_config[i].event == EVT_UNUSED) { ++ counter_config[i].event = 0; ++ continue; ++ } ++ ++ results[i].reset_counter = counter_config[i].count; ++ write_counter(i, -(u32)counter_config[i].count); ++ pr_debug("avr32_setup_ctrs: counter%d %#08x from %#08lx\n", ++ i, read_counter(i), counter_config[i].count); ++ } ++ ++ return 0; ++} ++ ++static void inline check_ctrs(void) ++{ ++ int i; ++ u32 pccr = read_pccr(); ++ ++ /* Writeback clears overflow flag */ ++ write_pccr(pccr & ~PC_ENABLE); ++ ++ for (i = PCCNT; i < MAX_COUNTERS; i++) { ++ if (!(int_mask[i] & pccr)) ++ continue; ++ ++ if (pccr & ovf_mask[i]) ++ results[i].ovf++; ++ } ++} ++ ++static irqreturn_t avr32_pc_interrupt(int irq, void *arg, ++ struct pt_regs *regs) ++{ ++ int i; ++ ++ /* Check if this is a performance counter interrupt */ ++ if (!(intc_get_pending(irq) & 2)) ++ return IRQ_NONE; ++ ++ check_ctrs(); ++ ++ for (i = PCCNT; i < MAX_COUNTERS; i++) { ++ if (!results[i].ovf) ++ continue; ++ ++ write_counter(i, -(u32)results[i].reset_counter); ++ oprofile_add_sample(regs, i); ++ results[i].ovf--; ++ } ++ ++ /* Enable Performance Counter */ ++ write_pccr(read_pccr() | PC_ENABLE); ++ ++ return IRQ_HANDLED; ++} ++ ++static void avr32_pc_stop(void) ++{ ++ write_pccr(read_pccr() & ~PC_ENABLE); ++ ++ free_irq(AVR32_PC_IRQ, results); ++} ++ ++static int avr32_pc_start(void) ++{ ++ int i, ret; ++ u32 pccr = read_pccr(); ++ ++ ret = request_irq(AVR32_PC_IRQ, avr32_pc_interrupt, IRQF_SHARED | IRQF_DISABLED, ++ "AVR32 Performance Counter", (void *)results); ++ ++ if (ret < 0) { ++ printk(KERN_ERR ++ "oprofile: unable to request IRQ%d for AVR32" ++ " Performance Counter\n", ++ AVR32_PC_IRQ); ++ return ret; ++ } ++ ++ /* Enable interrupts */ ++ for (i = PCCNT; i < MAX_COUNTERS; i++) { ++ if (counter_config[i].enabled) ++ pccr |= int_mask[i]; ++ } ++ ++ /* Disable scaler */ ++ pccr &= ~PC_CNT64; ++ ++ /* Enable Performance Counter */ ++ pccr |= PC_ENABLE; ++ ++ write_pccr(pccr); ++ pr_debug("avr32_pc_start: pc: %#08x\n", pccr); ++ return 0; ++} ++ ++ ++struct op_avr32_model_spec op_avr32_spec = { ++ .init = 0, ++ .setup_ctrs = avr32_setup_ctrs, ++ .start = avr32_pc_start, ++ .stop = avr32_pc_stop, ++ .num_counters = MAX_COUNTERS, ++ .name = "avr32/at32ap7000", ++}; ++ +diff -urN linux-2.6.20.4-0rig/arch/avr32/oprofile/op_model_avr32.h linux-2.6.20.4-atmel/arch/avr32/oprofile/op_model_avr32.h +--- linux-2.6.20.4-0rig/arch/avr32/oprofile/op_model_avr32.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/arch/avr32/oprofile/op_model_avr32.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,21 @@ ++/** ++ * AVR32 Machine Specific Operations ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * Author: Ronny Pedersen ++ */ ++#ifndef OP_MODEL_AVR32_H ++#define OP_MODEL_AVR32_H ++ ++extern struct op_avr32_model_spec op_avr32_spec; ++extern int pc_init(struct oprofile_operations *ops, ++ struct op_avr32_model_spec *spec); ++extern void pc_exit(void); ++ ++ ++#endif +diff -urN linux-2.6.20.4-0rig/drivers/char/at91_spi.c linux-2.6.20.4-atmel/drivers/char/at91_spi.c +--- linux-2.6.20.4-0rig/drivers/char/at91_spi.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/char/at91_spi.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,336 @@ ++/* ++ * Serial Peripheral Interface (SPI) driver for the Atmel AT91RM9200 (Thunder) ++ * ++ * Copyright (C) SAN People (Pty) Ltd ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ */ ++ ++#include <linux/init.h> ++#include <linux/dma-mapping.h> ++#include <linux/module.h> ++#include <linux/sched.h> ++#include <linux/completion.h> ++#include <linux/interrupt.h> ++#include <linux/clk.h> ++#include <linux/platform_device.h> ++#include <linux/atmel_pdc.h> ++#include <asm/io.h> ++#include <asm/semaphore.h> ++ ++#include <asm/arch/at91_spi.h> ++#include <asm/arch/board.h> ++#include <asm/arch/spi.h> ++ ++#undef DEBUG_SPI ++ ++static struct spi_local spi_dev[NR_SPI_DEVICES]; /* state of the SPI devices */ ++static int spi_enabled = 0; ++static struct semaphore spi_lock; /* protect access to SPI bus */ ++static int current_device = -1; /* currently selected SPI device */ ++static struct clk *spi_clk; /* SPI clock */ ++static void __iomem *spi_base; /* SPI peripheral base-address */ ++ ++DECLARE_COMPLETION(transfer_complete); ++ ++ ++#define at91_spi_read(reg) __raw_readl(spi_base + (reg)) ++#define at91_spi_write(reg, val) __raw_writel((val), spi_base + (reg)) ++ ++ ++/* ......................................................................... */ ++ ++/* ++ * Access and enable the SPI bus. ++ * This MUST be called before any transfers are performed. ++ */ ++void spi_access_bus(short device) ++{ ++ /* Ensure that requested device is valid */ ++ if ((device < 0) || (device >= NR_SPI_DEVICES)) ++ panic("at91_spi: spi_access_bus called with invalid device"); ++ ++ if (spi_enabled == 0) { ++ clk_enable(spi_clk); /* Enable Peripheral clock */ ++ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIEN); /* Enable SPI */ ++#ifdef DEBUG_SPI ++ printk("SPI on\n"); ++#endif ++ } ++ spi_enabled++; ++ ++ /* Lock the SPI bus */ ++ down(&spi_lock); ++ current_device = device; ++ ++ /* Configure SPI bus for device */ ++ at91_spi_write(AT91_SPI_MR, AT91_SPI_MSTR | AT91_SPI_MODFDIS | (spi_dev[device].pcs << 16)); ++} ++ ++/* ++ * Relinquish control of the SPI bus. ++ */ ++void spi_release_bus(short device) ++{ ++ if (device != current_device) ++ panic("at91_spi: spi_release called with invalid device"); ++ ++ /* Release the SPI bus */ ++ current_device = -1; ++ up(&spi_lock); ++ ++ spi_enabled--; ++ if (spi_enabled == 0) { ++ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIDIS); /* Disable SPI */ ++ clk_disable(spi_clk); /* Disable Peripheral clock */ ++#ifdef DEBUG_SPI ++ printk("SPI off\n"); ++#endif ++ } ++} ++ ++/* ++ * Perform a data transfer over the SPI bus ++ */ ++int spi_transfer(struct spi_transfer_list* list) ++{ ++ struct spi_local *device = (struct spi_local *) &spi_dev[current_device]; ++ int tx_size; ++ ++ if (!list) ++ panic("at91_spi: spi_transfer called with NULL transfer list"); ++ if (current_device == -1) ++ panic("at91_spi: spi_transfer called without acquiring bus"); ++ ++#ifdef DEBUG_SPI ++ printk("SPI transfer start [%i]\n", list->nr_transfers); ++#endif ++ ++ /* If we are in 16-bit mode, we need to modify what we pass to the PDC */ ++ tx_size = (at91_spi_read(AT91_SPI_CSR(current_device)) & AT91_SPI_BITS_16) ? 2 : 1; ++ ++ /* Store transfer list */ ++ device->xfers = list; ++ list->curr = 0; ++ ++ /* Assume there must be at least one transfer */ ++ device->tx = dma_map_single(NULL, list->tx[0], list->txlen[0], DMA_TO_DEVICE); ++ device->rx = dma_map_single(NULL, list->rx[0], list->rxlen[0], DMA_FROM_DEVICE); ++ ++ /* Program PDC registers */ ++ at91_spi_write(ATMEL_PDC_TPR, device->tx); ++ at91_spi_write(ATMEL_PDC_RPR, device->rx); ++ at91_spi_write(ATMEL_PDC_TCR, list->txlen[0] / tx_size); ++ at91_spi_write(ATMEL_PDC_RCR, list->rxlen[0] / tx_size); ++ ++ /* Is there a second transfer? */ ++ if (list->nr_transfers > 1) { ++ device->txnext = dma_map_single(NULL, list->tx[1], list->txlen[1], DMA_TO_DEVICE); ++ device->rxnext = dma_map_single(NULL, list->rx[1], list->rxlen[1], DMA_FROM_DEVICE); ++ ++ /* Program Next PDC registers */ ++ at91_spi_write(ATMEL_PDC_TNPR, device->txnext); ++ at91_spi_write(ATMEL_PDC_RNPR, device->rxnext); ++ at91_spi_write(ATMEL_PDC_TNCR, list->txlen[1] / tx_size); ++ at91_spi_write(ATMEL_PDC_RNCR, list->rxlen[1] / tx_size); ++ } ++ else { ++ device->txnext = 0; ++ device->rxnext = 0; ++ at91_spi_write(ATMEL_PDC_TNCR, 0); ++ at91_spi_write(ATMEL_PDC_RNCR, 0); ++ } ++ ++ // TODO: If we are doing consecutive transfers (at high speed, or ++ // small buffers), then it might be worth modifying the 'Delay between ++ // Consecutive Transfers' in the CSR registers. ++ // This is an issue if we cannot chain the next buffer fast enough ++ // in the interrupt handler. ++ ++ /* Enable transmitter and receiver */ ++ at91_spi_write(ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN | ATMEL_PDC_TXTEN); ++ ++ at91_spi_write(AT91_SPI_IER, AT91_SPI_ENDRX); /* enable buffer complete interrupt */ ++ wait_for_completion(&transfer_complete); ++ ++#ifdef DEBUG_SPI ++ printk("SPI transfer end\n"); ++#endif ++ ++ return 0; ++} ++ ++/* ......................................................................... */ ++ ++/* ++ * Handle interrupts from the SPI controller. ++ */ ++static irqreturn_t at91spi_interrupt(int irq, void *dev_id) ++{ ++ unsigned int status; ++ struct spi_local *device = (struct spi_local *) &spi_dev[current_device]; ++ struct spi_transfer_list *list = device->xfers; ++ ++#ifdef DEBUG_SPI ++ printk("SPI interrupt %i\n", current_device); ++#endif ++ ++ if (!list) ++ panic("at91_spi: spi_interrupt with a NULL transfer list"); ++ ++ status = at91_spi_read(AT91_SPI_SR) & at91_spi_read(AT91_SPI_IMR); /* read status */ ++ ++ dma_unmap_single(NULL, device->tx, list->txlen[list->curr], DMA_TO_DEVICE); ++ dma_unmap_single(NULL, device->rx, list->rxlen[list->curr], DMA_FROM_DEVICE); ++ ++ device->tx = device->txnext; /* move next transfer to current transfer */ ++ device->rx = device->rxnext; ++ ++ list->curr = list->curr + 1; ++ if (list->curr == list->nr_transfers) { /* all transfers complete */ ++ at91_spi_write(AT91_SPI_IDR, AT91_SPI_ENDRX); /* disable interrupt */ ++ ++ /* Disable transmitter and receiver */ ++ at91_spi_write(ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); ++ ++ device->xfers = NULL; ++ complete(&transfer_complete); ++ } ++ else if (list->curr+1 == list->nr_transfers) { /* no more next transfers */ ++ device->txnext = 0; ++ device->rxnext = 0; ++ at91_spi_write(ATMEL_PDC_TNCR, 0); ++ at91_spi_write(ATMEL_PDC_RNCR, 0); ++ } ++ else { ++ int i = (list->curr)+1; ++ ++ /* If we are in 16-bit mode, we need to modify what we pass to the PDC */ ++ int tx_size = (at91_spi_read(AT91_SPI_CSR(current_device)) & AT91_SPI_BITS_16) ? 2 : 1; ++ ++ device->txnext = dma_map_single(NULL, list->tx[i], list->txlen[i], DMA_TO_DEVICE); ++ device->rxnext = dma_map_single(NULL, list->rx[i], list->rxlen[i], DMA_FROM_DEVICE); ++ at91_spi_write(ATMEL_PDC_TNPR, device->txnext); ++ at91_spi_write(ATMEL_PDC_RNPR, device->rxnext); ++ at91_spi_write(ATMEL_PDC_TNCR, list->txlen[i] / tx_size); ++ at91_spi_write(ATMEL_PDC_RNCR, list->rxlen[i] / tx_size); ++ } ++ return IRQ_HANDLED; ++} ++ ++/* ......................................................................... */ ++ ++/* ++ * Initialize the SPI controller ++ */ ++static int __init at91spi_probe(struct platform_device *pdev) ++{ ++ int i; ++ unsigned long scbr; ++ struct resource *res; ++ ++ init_MUTEX(&spi_lock); ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) ++ return -ENXIO; ++ ++ if (!request_mem_region(res->start, res->end - res->start + 1, "at91_spi")) ++ return -EBUSY; ++ ++ spi_base = ioremap(res->start, res->end - res->start + 1); ++ if (!spi_base) { ++ release_mem_region(res->start, res->end - res->start + 1); ++ return -ENOMEM; ++ } ++ ++ spi_clk = clk_get(NULL, "spi_clk"); ++ if (IS_ERR(spi_clk)) { ++ printk(KERN_ERR "at91_spi: no clock defined\n"); ++ iounmap(spi_base); ++ release_mem_region(res->start, res->end - res->start + 1); ++ return -ENODEV; ++ } ++ ++ at91_spi_write(AT91_SPI_CR, AT91_SPI_SWRST); /* software reset of SPI controller */ ++ ++ /* ++ * Calculate the correct SPI baud-rate divisor. ++ */ ++ scbr = clk_get_rate(spi_clk) / (2 * DEFAULT_SPI_CLK); ++ scbr = scbr + 1; /* round up */ ++ ++ printk(KERN_INFO "at91_spi: Baud rate set to %ld\n", clk_get_rate(spi_clk) / (2 * scbr)); ++ ++ /* Set Chip Select registers to good defaults */ ++ for (i = 0; i < 4; i++) { ++ at91_spi_write(AT91_SPI_CSR(i), AT91_SPI_CPOL | AT91_SPI_BITS_8 | (16 << 16) | (scbr << 8)); ++ } ++ ++ at91_spi_write(ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); ++ ++ memset(&spi_dev, 0, sizeof(spi_dev)); ++ spi_dev[0].pcs = 0xE; ++ spi_dev[1].pcs = 0xD; ++ spi_dev[2].pcs = 0xB; ++ spi_dev[3].pcs = 0x7; ++ ++ if (request_irq(AT91RM9200_ID_SPI, at91spi_interrupt, 0, "spi", NULL)) { ++ clk_put(spi_clk); ++ iounmap(spi_base); ++ release_mem_region(res->start, res->end - res->start + 1); ++ return -EBUSY; ++ } ++ ++ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIEN); /* Enable SPI */ ++ ++ return 0; ++} ++ ++static int __devexit at91spi_remove(struct platform_device *pdev) ++{ ++ struct resource *res; ++ ++ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIDIS); /* Disable SPI */ ++ clk_put(spi_clk); ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ iounmap(spi_base); ++ release_mem_region(res->start, res->end - res->start + 1); ++ ++ free_irq(AT91RM9200_ID_SPI, 0); ++ return 0; ++} ++ ++static struct platform_driver at91spi_driver = { ++ .probe = at91spi_probe, ++ .remove = __devexit_p(at91spi_remove), ++ .driver = { ++ .name = "at91_spi", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init at91spi_init(void) ++{ ++ return platform_driver_register(&at91spi_driver); ++} ++ ++static void __exit at91spi_exit(void) ++{ ++ platform_driver_unregister(&at91spi_driver); ++} ++ ++EXPORT_SYMBOL(spi_access_bus); ++EXPORT_SYMBOL(spi_release_bus); ++EXPORT_SYMBOL(spi_transfer); ++ ++module_init(at91spi_init); ++module_exit(at91spi_exit); ++ ++MODULE_LICENSE("GPL") ++MODULE_AUTHOR("Andrew Victor") ++MODULE_DESCRIPTION("SPI driver for Atmel AT91RM9200") +diff -urN linux-2.6.20.4-0rig/drivers/char/at91_spidev.c linux-2.6.20.4-atmel/drivers/char/at91_spidev.c +--- linux-2.6.20.4-0rig/drivers/char/at91_spidev.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/char/at91_spidev.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,236 @@ ++/* ++ * User-space interface to the SPI bus on Atmel AT91RM9200 ++ * ++ * Copyright (C) 2003 SAN People (Pty) Ltd ++ * ++ * Based on SPI driver by Rick Bronson ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/slab.h> ++#include <linux/highmem.h> ++#include <linux/pagemap.h> ++#include <asm/arch/spi.h> ++ ++#ifdef CONFIG_DEVFS_FS ++#include <linux/devfs_fs_kernel.h> ++#endif ++ ++ ++#undef DEBUG_SPIDEV ++ ++/* ......................................................................... */ ++ ++/* ++ * Read or Write to SPI bus. ++ */ ++static ssize_t spidev_rd_wr(struct file *file, char *buf, size_t count, loff_t *offset) ++{ ++ unsigned int spi_device = (unsigned int) file->private_data; ++ ++ struct mm_struct * mm; ++ struct page ** maplist; ++ struct spi_transfer_list* list; ++ int pgcount; ++ ++ unsigned int ofs, pagelen; ++ int res, i, err; ++ ++ if (!count) { ++ return 0; ++ } ++ ++ list = kmalloc(sizeof(struct spi_transfer_list), GFP_KERNEL); ++ if (!list) { ++ return -ENOMEM; ++ } ++ ++ mm = current->mm; ++ ++ pgcount = ((unsigned long)buf+count+PAGE_SIZE-1)/PAGE_SIZE - (unsigned long)buf/PAGE_SIZE; ++ ++ if (pgcount >= MAX_SPI_TRANSFERS) { ++ kfree(list); ++ return -EFBIG; ++ } ++ ++ maplist = kmalloc (pgcount * sizeof (struct page *), GFP_KERNEL); ++ ++ if (!maplist) { ++ kfree(list); ++ return -ENOMEM; ++ } ++ flush_cache_all(); ++ down_read(&mm->mmap_sem); ++ err= get_user_pages(current, mm, (unsigned long)buf, pgcount, 1, 0, maplist, NULL); ++ up_read(&mm->mmap_sem); ++ ++ if (err < 0) { ++ kfree(list); ++ kfree(maplist); ++ return err; ++ } ++ pgcount = err; ++ ++#ifdef DEBUG_SPIDEV ++ printk("spidev_rd_rw: %i %i\n", count, pgcount); ++#endif ++ ++ /* Set default return value = transfer length */ ++ res = count; ++ ++ /* ++ * At this point, the virtual area buf[0] .. buf[count-1] will have ++ * corresponding pages mapped in the physical memory and locked until ++ * we unmap the kiobuf. The pages cannot be swapped out or moved ++ * around. ++ */ ++ ofs = (unsigned long) buf & (PAGE_SIZE -1); ++ pagelen = PAGE_SIZE - ofs; ++ if (count < pagelen) ++ pagelen = count; ++ ++ for (i = 0; i < pgcount; i++) { ++ flush_dcache_page(maplist[i]); ++ ++ list->tx[i] = list->rx[i] = page_address(maplist[i]) + ofs; ++ list->txlen[i] = list->rxlen[i] = pagelen; ++ ++#ifdef DEBUG_SPIDEV ++ printk(" %i: %x (%i)\n", i, list->tx[i], list->txlen[i]); ++#endif ++ ++ ofs = 0; /* all subsequent transfers start at beginning of a page */ ++ count = count - pagelen; ++ pagelen = (count < PAGE_SIZE) ? count : PAGE_SIZE; ++ } ++ list->nr_transfers = pgcount; ++ ++ /* Perform transfer on SPI bus */ ++ spi_access_bus(spi_device); ++ spi_transfer(list); ++ spi_release_bus(spi_device); ++ ++ while (pgcount--) { ++ page_cache_release (maplist[pgcount]); ++ } ++ flush_cache_all(); ++ ++ kfree(maplist); ++ kfree(list); ++ ++ return res; ++} ++ ++static int spidev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) ++{ ++ int spi_device = MINOR(inode->i_rdev); ++ ++ if (spi_device >= NR_SPI_DEVICES) ++ return -ENODEV; ++ ++ // TODO: This interface can be used to configure the SPI bus. ++ // Configurable options could include: Speed, Clock Polarity, Clock Phase ++ ++ switch(cmd) { ++ default: ++ return -ENOIOCTLCMD; ++ } ++} ++ ++/* ++ * Open the SPI device ++ */ ++static int spidev_open(struct inode *inode, struct file *file) ++{ ++ unsigned int spi_device = MINOR(inode->i_rdev); ++ ++ if (spi_device >= NR_SPI_DEVICES) ++ return -ENODEV; ++ ++ /* ++ * 'private_data' is actually a pointer, but we overload it with the ++ * value we want to store. ++ */ ++ file->private_data = (void *)spi_device; ++ ++ return 0; ++} ++ ++/* ++ * Close the SPI device ++ */ ++static int spidev_close(struct inode *inode, struct file *file) ++{ ++ return 0; ++} ++ ++/* ......................................................................... */ ++ ++static struct file_operations spidev_fops = { ++ .owner = THIS_MODULE, ++ .llseek = no_llseek, ++ .read = spidev_rd_wr, ++ .write = (int (*) (struct file *file, const char *buf, size_t count, loff_t *offset))spidev_rd_wr, ++ .ioctl = spidev_ioctl, ++ .open = spidev_open, ++ .release = spidev_close, ++}; ++ ++/* ++ * Install the SPI /dev interface driver ++ */ ++static int __init at91_spidev_init(void) ++{ ++#ifdef CONFIG_DEVFS_FS ++ int i; ++#endif ++ ++ if (register_chrdev(SPI_MAJOR, "spi", &spidev_fops)) { ++ printk(KERN_ERR "at91_spidev: Unable to get major %d for SPI bus\n", SPI_MAJOR); ++ return -EIO; ++ } ++ ++#ifdef CONFIG_DEVFS_FS ++ devfs_mk_dir("spi"); ++ for (i = 0; i < NR_SPI_DEVICES; i++) { ++ devfs_mk_cdev(MKDEV(SPI_MAJOR, i), S_IFCHR | S_IRUSR | S_IWUSR, "spi/%d",i); ++ } ++#endif ++ printk(KERN_INFO "AT91 SPI driver loaded\n"); ++ ++ return 0; ++} ++ ++/* ++ * Remove the SPI /dev interface driver ++ */ ++static void __exit at91_spidev_exit(void) ++{ ++#ifdef CONFIG_DEVFS_FS ++ int i; ++ for (i = 0; i < NR_SPI_DEVICES; i++) { ++ devfs_remove("spi/%d", i); ++ } ++ ++ devfs_remove("spi"); ++#endif ++ ++ if (unregister_chrdev(SPI_MAJOR, "spi")) { ++ printk(KERN_ERR "at91_spidev: Unable to release major %d for SPI bus\n", SPI_MAJOR); ++ return; ++ } ++} ++ ++module_init(at91_spidev_init); ++module_exit(at91_spidev_exit); ++ ++MODULE_LICENSE("GPL") ++MODULE_AUTHOR("Andrew Victor") ++MODULE_DESCRIPTION("SPI /dev interface for Atmel AT91RM9200") +diff -urN linux-2.6.20.4-0rig/drivers/char/Kconfig linux-2.6.20.4-atmel/drivers/char/Kconfig +--- linux-2.6.20.4-0rig/drivers/char/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/char/Kconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -1030,5 +1030,21 @@ + sysfs directory, /sys/devices/platform/telco_clock, with a number of + files for controlling the behavior of this hardware. + ++config AT91_SPI ++ bool "SPI driver (legacy) for AT91RM9200 processors" ++ depends on ARCH_AT91RM9200 ++ default y ++ help ++ The SPI driver gives access to this serial bus on the AT91RM9200 ++ processor. ++ ++config AT91_SPIDEV ++ bool "SPI device interface (legacy) for AT91RM9200 processors" ++ depends on ARCH_AT91RM9200 && AT91_SPI ++ default n ++ help ++ The SPI driver gives user mode access to this serial ++ bus on the AT91RM9200 processor. ++ + endmenu + +diff -urN linux-2.6.20.4-0rig/drivers/char/Makefile linux-2.6.20.4-atmel/drivers/char/Makefile +--- linux-2.6.20.4-0rig/drivers/char/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/char/Makefile 2007-03-24 16:39:15.000000000 +0100 +@@ -90,6 +90,8 @@ + obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o + obj-$(CONFIG_TANBAC_TB0219) += tb0219.o + obj-$(CONFIG_TELCLOCK) += tlclk.o ++obj-$(CONFIG_AT91_SPI) += at91_spi.o ++obj-$(CONFIG_AT91_SPIDEV) += at91_spidev.o + + obj-$(CONFIG_WATCHDOG) += watchdog/ + obj-$(CONFIG_MWAVE) += mwave/ +diff -urN linux-2.6.20.4-0rig/drivers/i2c/busses/atmeltwi.h linux-2.6.20.4-atmel/drivers/i2c/busses/atmeltwi.h +--- linux-2.6.20.4-0rig/drivers/i2c/busses/atmeltwi.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/i2c/busses/atmeltwi.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,117 @@ ++/* ++ * Register definitions for the Atmel Two-Wire Interface ++ */ ++ ++#ifndef __ASM_AVR32_TWI_H__ ++#define __ASM_AVR32_TWI_H__ ++ ++/* TWI register offsets */ ++#define TWI_CR 0x0000 ++#define TWI_MMR 0x0004 ++#define TWI_SMR 0x0008 ++#define TWI_IADR 0x000c ++#define TWI_CWGR 0x0010 ++#define TWI_SR 0x0020 ++#define TWI_IER 0x0024 ++#define TWI_IDR 0x0028 ++#define TWI_IMR 0x002c ++#define TWI_RHR 0x0030 ++#define TWI_THR 0x0034 ++ ++/* Bitfields in CR */ ++#define TWI_START_OFFSET 0 ++#define TWI_START_SIZE 1 ++#define TWI_STOP_OFFSET 1 ++#define TWI_STOP_SIZE 1 ++#define TWI_MSEN_OFFSET 2 ++#define TWI_MSEN_SIZE 1 ++#define TWI_MSDIS_OFFSET 3 ++#define TWI_MSDIS_SIZE 1 ++#define TWI_SVEN_OFFSET 4 ++#define TWI_SVEN_SIZE 1 ++#define TWI_SVDIS_OFFSET 5 ++#define TWI_SVDIS_SIZE 1 ++#define TWI_SWRST_OFFSET 7 ++#define TWI_SWRST_SIZE 1 ++ ++/* Bitfields in MMR */ ++#define TWI_IADRSZ_OFFSET 8 ++#define TWI_IADRSZ_SIZE 2 ++#define TWI_MREAD_OFFSET 12 ++#define TWI_MREAD_SIZE 1 ++#define TWI_DADR_OFFSET 16 ++#define TWI_DADR_SIZE 7 ++ ++/* Bitfields in SMR */ ++#define TWI_SADR_OFFSET 16 ++#define TWI_SADR_SIZE 7 ++ ++/* Bitfields in IADR */ ++#define TWI_IADR_OFFSET 0 ++#define TWI_IADR_SIZE 24 ++ ++/* Bitfields in CWGR */ ++#define TWI_CLDIV_OFFSET 0 ++#define TWI_CLDIV_SIZE 8 ++#define TWI_CHDIV_OFFSET 8 ++#define TWI_CHDIV_SIZE 8 ++#define TWI_CKDIV_OFFSET 16 ++#define TWI_CKDIV_SIZE 3 ++ ++/* Bitfields in SR */ ++#define TWI_TXCOMP_OFFSET 0 ++#define TWI_TXCOMP_SIZE 1 ++#define TWI_RXRDY_OFFSET 1 ++#define TWI_RXRDY_SIZE 1 ++#define TWI_TXRDY_OFFSET 2 ++#define TWI_TXRDY_SIZE 1 ++#define TWI_SVDIR_OFFSET 3 ++#define TWI_SVDIR_SIZE 1 ++#define TWI_SVACC_OFFSET 4 ++#define TWI_SVACC_SIZE 1 ++#define TWI_GCACC_OFFSET 5 ++#define TWI_GCACC_SIZE 1 ++#define TWI_OVRE_OFFSET 6 ++#define TWI_OVRE_SIZE 1 ++#define TWI_UNRE_OFFSET 7 ++#define TWI_UNRE_SIZE 1 ++#define TWI_NACK_OFFSET 8 ++#define TWI_NACK_SIZE 1 ++#define TWI_ARBLST_OFFSET 9 ++#define TWI_ARBLST_SIZE 1 ++ ++/* Bitfields in RHR */ ++#define TWI_RXDATA_OFFSET 0 ++#define TWI_RXDATA_SIZE 8 ++ ++/* Bitfields in THR */ ++#define TWI_TXDATA_OFFSET 0 ++#define TWI_TXDATA_SIZE 8 ++ ++/* Constants for IADRSZ */ ++#define TWI_IADRSZ_NO_ADDR 0 ++#define TWI_IADRSZ_ONE_BYTE 1 ++#define TWI_IADRSZ_TWO_BYTES 2 ++#define TWI_IADRSZ_THREE_BYTES 3 ++ ++/* Bit manipulation macros */ ++#define TWI_BIT(name) \ ++ (1 << TWI_##name##_OFFSET) ++#define TWI_BF(name,value) \ ++ (((value) & ((1 << TWI_##name##_SIZE) - 1)) \ ++ << TWI_##name##_OFFSET) ++#define TWI_BFEXT(name,value) \ ++ (((value) >> TWI_##name##_OFFSET) \ ++ & ((1 << TWI_##name##_SIZE) - 1)) ++#define TWI_BFINS(name,value,old) \ ++ (((old) & ~(((1 << TWI_##name##_SIZE) - 1) \ ++ << TWI_##name##_OFFSET)) \ ++ | TWI_BF(name,value)) ++ ++/* Register access macros */ ++#define twi_readl(port,reg) \ ++ __raw_readl((port)->regs + TWI_##reg) ++#define twi_writel(port,reg,value) \ ++ __raw_writel((value), (port)->regs + TWI_##reg) ++ ++#endif /* __ASM_AVR32_TWI_H__ */ +diff -urN linux-2.6.20.4-0rig/drivers/i2c/busses/i2c-at91.c linux-2.6.20.4-atmel/drivers/i2c/busses/i2c-at91.c +--- linux-2.6.20.4-0rig/drivers/i2c/busses/i2c-at91.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/i2c/busses/i2c-at91.c 2007-03-24 16:39:15.000000000 +0100 +@@ -31,8 +31,11 @@ + #include <asm/arch/board.h> + #include <asm/arch/cpu.h> + +-#define TWI_CLOCK 100000 /* Hz. max 400 Kbits/sec */ + ++/* Clockrate is configurable - max 400 Kbits/sec */ ++static unsigned int clockrate = CONFIG_I2C_AT91_CLOCKRATE; ++module_param(clockrate, uint, 0); ++MODULE_PARM_DESC(clockrate, "The TWI clockrate"); + + static struct clk *twi_clk; + static void __iomem *twi_base; +@@ -53,7 +56,7 @@ + at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN); /* Set Master mode */ + + /* Calcuate clock dividers */ +- cdiv = (clk_get_rate(twi_clk) / (2 * TWI_CLOCK)) - 3; ++ cdiv = (clk_get_rate(twi_clk) / (2 * clockrate)) - 3; + cdiv = cdiv + 1; /* round up */ + ckdiv = 0; + while (cdiv > 255) { +@@ -63,9 +66,14 @@ + + if (cpu_is_at91rm9200()) { /* AT91RM9200 Errata #22 */ + if (ckdiv > 5) { +- printk(KERN_ERR "AT91 I2C: Invalid TWI_CLOCK value!\n"); ++ printk(KERN_ERR "AT91 I2C: Invalid TWI clockrate!\n"); + ckdiv = 5; + } ++ } else { ++ if (ckdiv > 7) { ++ printk(KERN_ERR "AT91 I2C: Invalid TWI clockrate!\n"); ++ ckdiv = 7; ++ } + } + + at91_twi_write(AT91_TWI_CWGR, (ckdiv << 16) | (cdiv << 8) | cdiv); +diff -urN linux-2.6.20.4-0rig/drivers/i2c/busses/i2c-atmeltwi.c linux-2.6.20.4-atmel/drivers/i2c/busses/i2c-atmeltwi.c +--- linux-2.6.20.4-0rig/drivers/i2c/busses/i2c-atmeltwi.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/i2c/busses/i2c-atmeltwi.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,348 @@ ++/* ++ * i2c Support for Atmel's Two-Wire Interface (TWI) ++ * ++ * Based on the work of Copyright (C) 2004 Rick Bronson ++ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com> ++ * Ported to AVR32 and heavily modified by Espen Krangnes <ekrangnes at atmel.com> ++ * ++ * Copyright (C) 2006 Atmel Corporation ++ * ++ * Borrowed heavily from the original work by: ++ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++ ++#include <linux/err.h> ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/slab.h> ++#include <linux/types.h> ++#include <linux/delay.h> ++#include <linux/i2c.h> ++#include <linux/init.h> ++#include <linux/clk.h> ++#include <linux/interrupt.h> ++#include <linux/irq.h> ++#include <linux/platform_device.h> ++#include <linux/completion.h> ++#include <asm/io.h> ++#include <linux/time.h> ++#include "atmeltwi.h" ++ ++static unsigned int baudrate = CONFIG_I2C_ATMELTWI_BAUDRATE; ++module_param(baudrate, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); ++MODULE_PARM_DESC(baudrate, "The TWI baudrate"); ++ ++ ++struct atmel_twi { ++ void __iomem *regs; ++ struct i2c_adapter adapter; ++ struct clk *pclk; ++ spinlock_t lock; ++ struct completion comp; ++ u32 intmask; ++ u8 *buf; ++ u8 len; ++ u8 acks_left; ++ unsigned int irq; ++ ++}; ++#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter) ++ ++/* ++ * Initialize the TWI hardware registers. ++ */ ++static int __devinit twi_hwinit(struct atmel_twi *twi) ++{ ++ unsigned long cdiv, ckdiv=0; ++ ++ twi_writel(twi, IDR, ~0UL); ++ twi_writel(twi, CR, TWI_BIT(SWRST)); /*Reset peripheral*/ ++ twi_readl(twi, SR); ++ ++ cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4; ++ ++ while (cdiv > 255) { ++ ckdiv++; ++ cdiv = cdiv >> 1; ++ } ++ ++ if (ckdiv > 7) ++ return -EINVAL; ++ else ++ twi_writel(twi, CWGR, (TWI_BF(CKDIV, ckdiv) ++ | TWI_BF(CHDIV, cdiv) ++ | TWI_BF(CLDIV, cdiv))); ++ return 0; ++} ++ ++/* ++ * Waits for the i2c status register to set the specified bitmask ++ * Returns 0 if timed out (~100ms). ++ */ ++static short twi_wait_for_completion(struct atmel_twi *twi, ++ u32 mask) ++{ ++ int timeout = msecs_to_jiffies(100); ++ ++ twi->intmask = mask; ++ init_completion(&twi->comp); ++ ++ twi_writel(twi, IER, mask); ++ ++ if(!wait_for_completion_timeout(&twi->comp, timeout)) ++ return -ETIMEDOUT; ++ ++ return 0; ++} ++ ++/* ++ * Generic i2c master transfer entrypoint. ++ */ ++static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) ++{ ++ struct atmel_twi *twi = to_atmel_twi(adap); ++ struct i2c_msg *pmsg; ++ int i; ++ ++ /* get first message */ ++ pmsg = msgs; ++ ++ dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num); ++ ++ for (i = 0; i < num; i++, pmsg++) { ++ ++ twi->len = pmsg->len; ++ twi->buf = pmsg->buf; ++ twi->acks_left = pmsg->len; ++ twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) | ++ (pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0)); ++ twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr)); ++ ++ dev_dbg(&adap->dev,"#%d: internal addr %d %s byte%s %s 0x%02x\n", ++ i,pmsg->len, pmsg->flags & I2C_M_RD ? "reading" : "writing", ++ pmsg->len > 1 ? "s" : "", ++ pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr); ++ ++ /* enable */ ++ twi_writel(twi, CR, TWI_BIT(MSEN)); ++ ++ if (pmsg->flags & I2C_M_RD) { ++ twi_writel(twi, CR, TWI_BIT(START)); ++ if ( twi_wait_for_completion(twi,TWI_BIT(RXRDY))==-ETIMEDOUT ) { ++ dev_dbg(&adap->dev, "RXRDY timeout. Stopped with %d bytes left\n", ++ twi->acks_left); ++ return -ETIMEDOUT; ++ } ++ ++ /* Send Stop, and Wait until transfer is finished */ ++ if ( twi_wait_for_completion(twi,TWI_BIT(TXCOMP))==-ETIMEDOUT ) { ++ dev_dbg(&adap->dev, "TXCOMP timeout\n"); ++ return -ETIMEDOUT; ++ } ++ ++ } else { ++ twi_writel(twi, THR, twi->buf[0]); ++ if ( twi_wait_for_completion(twi,TWI_BIT(TXRDY))==-ETIMEDOUT ) { ++ dev_dbg(&adap->dev, "TXRDY timeout. Stopped with %d bytes left\n", ++ twi->acks_left); ++ return -ETIMEDOUT; ++ } ++ } ++ ++ /* Disable TWI interface */ ++ twi_writel(twi, CR, TWI_BIT(MSDIS)); ++ ++ } /* end cur msg */ ++ ++ return i; ++} ++ ++ ++static irqreturn_t twi_interrupt(int irq, void *dev_id) ++{ ++ struct atmel_twi *twi = dev_id; ++ int status = twi_readl(twi, SR); ++ ++ if (twi->intmask & status){ ++ if (twi->intmask & TWI_BIT(NACK)) { ++ goto nack; ++ } else if (twi->intmask & TWI_BIT(RXRDY)){ ++ twi->buf[twi->len - twi->acks_left] = twi_readl(twi,RHR); ++ if(--twi->acks_left==1) ++ twi_writel(twi, CR, TWI_BIT(STOP)); ++ if (twi->acks_left==0) ++ goto complete; ++ } else if (twi->intmask & TWI_BIT(TXRDY)) { ++ twi->acks_left--; ++ if (twi->acks_left==0) { ++ twi->intmask = TWI_BIT(TXCOMP); ++ twi_writel(twi, IER, TWI_BIT(TXCOMP)); ++ } else ++ twi_writel(twi, THR, twi->buf[twi->len - twi->acks_left]); ++ } else if (twi->intmask & TWI_BIT(TXCOMP)) { ++ goto complete; ++ } ++ } ++ ++ return IRQ_HANDLED; ++ ++nack: ++ printk(KERN_INFO "NACK received!\n"); ++ ++complete: ++ twi_writel(twi, IDR, ~0UL); ++ complete(&twi->comp); ++ ++ return IRQ_HANDLED; ++ ++} ++ ++ ++/* ++ * Return list of supported functionality. ++ */ ++static u32 twi_func(struct i2c_adapter *adapter) ++{ ++ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; ++} ++ ++/* For now, we only handle combined mode (smbus) */ ++static struct i2c_algorithm twi_algorithm = { ++ .master_xfer = twi_xfer, ++ .functionality = twi_func, ++}; ++ ++/* ++ * Main initialization routine. ++ */ ++static int __devinit twi_probe(struct platform_device *pdev) ++{ ++ struct atmel_twi *twi; ++ struct resource *regs; ++ struct clk *pclk; ++ struct i2c_adapter *adapter; ++ int rc, irq; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++ ++ pclk = clk_get(&pdev->dev, "pclk"); ++ if (IS_ERR(pclk)) ++ return PTR_ERR(pclk); ++ clk_enable(pclk); ++ ++ rc = -ENOMEM; ++ twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL); ++ if (!twi) { ++ dev_err(&pdev->dev, "can't allocate interface!\n"); ++ goto err_alloc_twi; ++ } ++ ++ twi->pclk = pclk; ++ twi->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!twi->regs) ++ goto err_ioremap; ++ ++ irq = platform_get_irq(pdev,0); ++ rc = request_irq(irq, twi_interrupt, 0, "twi", twi); ++ if (rc) { ++ dev_err(&pdev->dev, "can't bind irq!\n"); ++ goto err_irq; ++ } ++ twi->irq = irq; ++ ++ rc = twi_hwinit(twi); ++ if (rc) { ++ dev_err(&pdev->dev, "Unable to set baudrate\n"); ++ goto err_hw_init; ++ } ++ ++ adapter = &twi->adapter; ++ sprintf(adapter->name, "TWI"); ++ adapter->algo = &twi_algorithm; ++ adapter->class = I2C_CLASS_HWMON; ++ adapter->dev.parent = &pdev->dev; ++ ++ platform_set_drvdata(pdev, twi); ++ ++ rc = i2c_add_adapter(adapter); ++ if (rc) { ++ dev_err(&pdev->dev, "Adapter %s registration failed\n", ++ adapter->name); ++ goto err_register; ++ } ++ ++ dev_info(&pdev->dev, "Atmel TWI i2c bus device (baudrate %dk) at 0x%08lx.\n", ++ baudrate/1000, (unsigned long)regs->start); ++ ++ return 0; ++ ++ ++err_register: ++ platform_set_drvdata(pdev, NULL); ++ ++err_hw_init: ++ free_irq(irq, twi); ++ ++err_irq: ++ iounmap(twi->regs); ++ ++err_ioremap: ++ kfree(twi); ++ ++err_alloc_twi: ++ clk_disable(pclk); ++ clk_put(pclk); ++ ++ return rc; ++} ++ ++static int __devexit twi_remove(struct platform_device *pdev) ++{ ++ struct atmel_twi *twi = platform_get_drvdata(pdev); ++ int res; ++ ++ platform_set_drvdata(pdev, NULL); ++ res = i2c_del_adapter(&twi->adapter); ++ twi_writel(twi, CR, TWI_BIT(MSDIS)); ++ iounmap(twi->regs); ++ clk_disable(twi->pclk); ++ clk_put(twi->pclk); ++ free_irq(twi->irq, twi); ++ kfree(twi); ++ ++ return res; ++} ++ ++static struct platform_driver twi_driver = { ++ .probe = twi_probe, ++ .remove = __devexit_p(twi_remove), ++ .driver = { ++ .name = "atmel_twi", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init atmel_twi_init(void) ++{ ++ return platform_driver_register(&twi_driver); ++} ++ ++static void __exit atmel_twi_exit(void) ++{ ++ platform_driver_unregister(&twi_driver); ++} ++ ++module_init(atmel_twi_init); ++module_exit(atmel_twi_exit); ++ ++MODULE_AUTHOR("Espen Krangnes"); ++MODULE_DESCRIPTION("I2C driver for Atmel TWI"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/i2c/busses/Kconfig linux-2.6.20.4-atmel/drivers/i2c/busses/Kconfig +--- linux-2.6.20.4-0rig/drivers/i2c/busses/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/i2c/busses/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -5,6 +5,26 @@ + menu "I2C Hardware Bus support" + depends on I2C + ++config I2C_ATMELTWI ++ tristate "Atmel TWI/I2C" ++ depends on I2C ++ help ++ Atmel on-chip TWI controller. Say Y if you have an AT32 or ++ AT91-based device and want to use its built-in TWI ++ functionality. Atmel's TWI is compatible with Philips' I2C ++ protocol. If in doubt, say NO ++ ++config I2C_ATMELTWI_BAUDRATE ++ prompt "Atmel TWI baudrate" ++ depends on I2C_ATMELTWI ++ int ++ default 100000 ++ help ++ Set the TWI/I2C baudrate. This will alter the default value. A ++ different baudrate can be set by using a module parameter as well. If ++ no parameter is provided when loading, this is the value that will be ++ used. ++ + config I2C_ALI1535 + tristate "ALI 1535" + depends on I2C && PCI +@@ -81,6 +101,14 @@ + This supports the use of the I2C interface on Atmel AT91 + processors. + ++config I2C_AT91_CLOCKRATE ++ prompt "Atmel AT91 I2C/TWI clock-rate" ++ depends on I2C_AT91 ++ int ++ default 100000 ++ help ++ Set the AT91 I2C/TWI clock-rate. ++ + config I2C_AU1550 + tristate "Au1550/Au1200 SMBus interface" + depends on I2C && (SOC_AU1550 || SOC_AU1200) +diff -urN linux-2.6.20.4-0rig/drivers/i2c/busses/Makefile linux-2.6.20.4-atmel/drivers/i2c/busses/Makefile +--- linux-2.6.20.4-0rig/drivers/i2c/busses/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/i2c/busses/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -46,6 +46,7 @@ + obj-$(CONFIG_I2C_VOODOO3) += i2c-voodoo3.o + obj-$(CONFIG_SCx200_ACB) += scx200_acb.o + obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o ++obj-$(CONFIG_I2C_ATMELTWI) += i2c-atmeltwi.o + + ifeq ($(CONFIG_I2C_DEBUG_BUS),y) + EXTRA_CFLAGS += -DDEBUG +diff -urN linux-2.6.20.4-0rig/drivers/input/touchscreen/ads7846.c linux-2.6.20.4-atmel/drivers/input/touchscreen/ads7846.c +--- linux-2.6.20.4-0rig/drivers/input/touchscreen/ads7846.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/input/touchscreen/ads7846.c 2007-03-24 16:39:15.000000000 +0100 +@@ -17,8 +17,9 @@ + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +-#include <linux/device.h> ++#include <linux/hwmon.h> + #include <linux/init.h> ++#include <linux/err.h> + #include <linux/delay.h> + #include <linux/input.h> + #include <linux/interrupt.h> +@@ -38,7 +39,8 @@ + /* + * This code has been heavily tested on a Nokia 770, and lightly + * tested on other ads7846 devices (OSK/Mistral, Lubbock). +- * Support for ads7843 and ads7845 has only been stubbed in. ++ * Support for ads7843 tested on Atmel at91sam926x-EK. ++ * Support for ads7845 has only been stubbed in. + * + * IRQ handling needs a workaround because of a shortcoming in handling + * edge triggered IRQs on some platforms like the OMAP1/2. These +@@ -54,7 +56,8 @@ + * files. + */ + +-#define TS_POLL_PERIOD msecs_to_jiffies(10) ++#define TS_POLL_DELAY (1 * 1000000) /* ns delay before the first sample */ ++#define TS_POLL_PERIOD (5 * 1000000) /* ns delay between samples */ + + /* this driver doesn't aim at the peak continuous sample rate */ + #define SAMPLE_BITS (8 /*cmd*/ + 16 /*sample*/ + 2 /* before, after */) +@@ -63,12 +66,12 @@ + /* For portability, we can't read 12 bit values using SPI (which + * would make the controller deliver them as native byteorder u16 + * with msbs zeroed). Instead, we read them as two 8-bit values, +- * which need byteswapping then range adjustment. ++ * *** WHICH NEED BYTESWAPPING *** and range adjustment. + */ +- __be16 x; +- __be16 y; +- __be16 z1, z2; +- int ignore; ++ u16 x; ++ u16 y; ++ u16 z1, z2; ++ int ignore; + }; + + struct ads7846 { +@@ -76,7 +79,12 @@ + char phys[32]; + + struct spi_device *spi; ++ ++#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE) + struct attribute_group *attr_group; ++ struct class_device *hwmon; ++#endif ++ + u16 model; + u16 vref_delay_usecs; + u16 x_plate_ohms; +@@ -99,13 +107,16 @@ + u16 debounce_rep; + + spinlock_t lock; +- struct timer_list timer; /* P: lock */ ++ struct hrtimer timer; + unsigned pendown:1; /* P: lock */ + unsigned pending:1; /* P: lock */ + // FIXME remove "irq_disabled" + unsigned irq_disabled:1; /* P: lock */ + unsigned disabled:1; + ++ int (*filter)(void *data, int data_idx, int *val); ++ void *filter_data; ++ void (*filter_cleanup)(void *data); + int (*get_pendown_state)(void); + }; + +@@ -142,15 +153,16 @@ + #define MAX_12BIT ((1<<12)-1) + + /* leave ADC powered up (disables penirq) between differential samples */ +-#define READ_12BIT_DFR(x) (ADS_START | ADS_A2A1A0_d_ ## x \ +- | ADS_12_BIT | ADS_DFR) +- +-#define READ_Y (READ_12BIT_DFR(y) | ADS_PD10_ADC_ON) +-#define READ_Z1 (READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON) +-#define READ_Z2 (READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON) ++#define READ_12BIT_DFR(x, adc, vref) (ADS_START | ADS_A2A1A0_d_ ## x \ ++ | ADS_12_BIT | ADS_DFR | \ ++ (adc ? ADS_PD10_ADC_ON : 0) | (vref ? ADS_PD10_REF_ON : 0)) ++ ++#define READ_Y(vref) (READ_12BIT_DFR(y, 1, vref)) ++#define READ_Z1(vref) (READ_12BIT_DFR(z1, 1, vref)) ++#define READ_Z2(vref) (READ_12BIT_DFR(z2, 1, vref)) + +-#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_ADC_ON) +-#define PWRDOWN (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) /* LAST */ ++#define READ_X(vref) (READ_12BIT_DFR(x, 1, vref)) ++#define PWRDOWN (READ_12BIT_DFR(y, 0, 0)) /* LAST */ + + /* single-ended samples need to first power up reference voltage; + * we leave both ADC and VREF powered +@@ -158,14 +170,19 @@ + #define READ_12BIT_SER(x) (ADS_START | ADS_A2A1A0_ ## x \ + | ADS_12_BIT | ADS_SER) + +-#define REF_ON (READ_12BIT_DFR(x) | ADS_PD10_ALL_ON) +-#define REF_OFF (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) ++#define REF_ON (READ_12BIT_DFR(x, 1, 1)) ++#define REF_OFF (READ_12BIT_DFR(y, 0, 0)) + + /*--------------------------------------------------------------------------*/ + + /* + * Non-touchscreen sensors only use single-ended conversions. ++ * The range is GND..vREF. The ads7843 and ads7835 must use external vREF; ++ * ads7846 lets that pin be unconnected, to use internal vREF. + */ ++static unsigned vREF_mV; ++module_param(vREF_mV, uint, 0); ++MODULE_PARM_DESC(vREF_mV, "external vREF voltage, in milliVolts"); + + struct ser_req { + u8 ref_on; +@@ -193,50 +210,53 @@ + struct ser_req *req = kzalloc(sizeof *req, GFP_KERNEL); + int status; + int sample; +- int i; ++ int use_internal; + + if (!req) + return -ENOMEM; + + spi_message_init(&req->msg); + +- /* activate reference, so it has time to settle; */ +- req->ref_on = REF_ON; +- req->xfer[0].tx_buf = &req->ref_on; +- req->xfer[0].len = 1; +- req->xfer[1].rx_buf = &req->scratch; +- req->xfer[1].len = 2; +- +- /* +- * for external VREF, 0 usec (and assume it's always on); +- * for 1uF, use 800 usec; +- * no cap, 100 usec. +- */ +- req->xfer[1].delay_usecs = ts->vref_delay_usecs; ++ /* FIXME boards with ads7846 might use external vref instead ... */ ++ use_internal = (ts->model == 7846); ++ ++ /* maybe turn on internal vREF, and let it settle */ ++ if (use_internal) { ++ req->ref_on = REF_ON; ++ req->xfer[0].tx_buf = &req->ref_on; ++ req->xfer[0].len = 1; ++ spi_message_add_tail(&req->xfer[0], &req->msg); ++ ++ req->xfer[1].rx_buf = &req->scratch; ++ req->xfer[1].len = 2; ++ ++ /* for 1uF, settle for 800 usec; no cap, 100 usec. */ ++ req->xfer[1].delay_usecs = ts->vref_delay_usecs; ++ spi_message_add_tail(&req->xfer[1], &req->msg); ++ } + + /* take sample */ + req->command = (u8) command; + req->xfer[2].tx_buf = &req->command; + req->xfer[2].len = 1; ++ spi_message_add_tail(&req->xfer[2], &req->msg); ++ + req->xfer[3].rx_buf = &req->sample; + req->xfer[3].len = 2; ++ spi_message_add_tail(&req->xfer[3], &req->msg); + + /* REVISIT: take a few more samples, and compare ... */ + +- /* turn off reference */ +- req->ref_off = REF_OFF; ++ /* converter in low power mode & enable PENIRQ */ ++ req->ref_off = PWRDOWN; + req->xfer[4].tx_buf = &req->ref_off; + req->xfer[4].len = 1; ++ spi_message_add_tail(&req->xfer[4], &req->msg); ++ + req->xfer[5].rx_buf = &req->scratch; + req->xfer[5].len = 2; +- + CS_CHANGE(req->xfer[5]); +- +- /* group all the transfers together, so we can't interfere with +- * reading touchscreen state; disable penirq while sampling +- */ +- for (i = 0; i < 6; i++) +- spi_message_add_tail(&req->xfer[i], &req->msg); ++ spi_message_add_tail(&req->xfer[5], &req->msg); + + ts->irq_disabled = 1; + disable_irq(spi->irq); +@@ -256,25 +276,173 @@ + return status ? status : sample; + } + +-#define SHOW(name) static ssize_t \ ++#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE) ++ ++#define SHOW(name, var, adjust) static ssize_t \ + name ## _show(struct device *dev, struct device_attribute *attr, char *buf) \ + { \ ++ struct ads7846 *ts = dev_get_drvdata(dev); \ + ssize_t v = ads7846_read12_ser(dev, \ +- READ_12BIT_SER(name) | ADS_PD10_ALL_ON); \ ++ READ_12BIT_SER(var) | ADS_PD10_ALL_ON); \ + if (v < 0) \ + return v; \ +- return sprintf(buf, "%u\n", (unsigned) v); \ ++ return sprintf(buf, "%u\n", adjust(ts, v)); \ + } \ + static DEVICE_ATTR(name, S_IRUGO, name ## _show, NULL); + +-SHOW(temp0) +-SHOW(temp1) +-SHOW(vaux) +-SHOW(vbatt) ++ ++/* Sysfs conventions report temperatures in millidegrees Celcius. ++ * ADS7846 could use the low-accuracy two-sample scheme, but can't do the high ++ * accuracy scheme without calibration data. For now we won't try either; ++ * userspace sees raw sensor values, and must scale/calibrate appropriately. ++ */ ++static inline unsigned null_adjust(struct ads7846 *ts, ssize_t v) ++{ ++ return v; ++} ++ ++SHOW(temp0, temp0, null_adjust) /* temp1_input */ ++SHOW(temp1, temp1, null_adjust) /* temp2_input */ ++ ++ ++/* sysfs conventions report voltages in millivolts. We can convert voltages ++ * if we know vREF. userspace may need to scale vAUX to match the board's ++ * external resistors; we assume that vBATT only uses the internal ones. ++ */ ++static inline unsigned vaux_adjust(struct ads7846 *ts, ssize_t v) ++{ ++ unsigned retval = v; ++ ++ /* external resistors may scale vAUX into 0..vREF */ ++ retval *= vREF_mV; ++ retval = retval >> 12; ++ return retval; ++} ++ ++static inline unsigned vbatt_adjust(struct ads7846 *ts, ssize_t v) ++{ ++ unsigned retval = vaux_adjust(ts, v); ++ ++ /* ads7846 has a resistor ladder to scale this signal down */ ++ if (ts->model == 7846) ++ retval *= 4; ++ return retval; ++} ++ ++SHOW(in0_input, vaux, vaux_adjust) ++SHOW(in1_input, vbatt, vbatt_adjust) ++ ++ ++static struct attribute *ads7846_attributes[] = { ++ &dev_attr_temp0.attr, ++ &dev_attr_temp1.attr, ++ &dev_attr_in0_input.attr, ++ &dev_attr_in1_input.attr, ++ NULL, ++}; ++ ++static struct attribute_group ads7846_attr_group = { ++ .attrs = ads7846_attributes, ++}; ++ ++static struct attribute *ads7843_attributes[] = { ++ &dev_attr_in0_input.attr, ++ &dev_attr_in1_input.attr, ++ NULL, ++}; ++ ++static struct attribute_group ads7843_attr_group = { ++ .attrs = ads7843_attributes, ++}; ++ ++static struct attribute *ads7845_attributes[] = { ++ &dev_attr_in0_input.attr, ++ NULL, ++}; ++ ++static struct attribute_group ads7845_attr_group = { ++ .attrs = ads7845_attributes, ++}; ++ ++static int ads784x_hwmon_register(struct spi_device *spi, struct ads7846 *ts) ++{ ++ struct class_device *hwmon; ++ int err; ++ ++ /* hwmon sensors need a reference voltage */ ++ switch (ts->model) { ++ case 7846: ++ if (!vREF_mV) { ++ dev_dbg(&spi->dev, "assuming 2.5V internal vREF\n"); ++ vREF_mV = 2500; ++ } ++ break; ++ case 7845: ++ case 7843: ++ if (!vREF_mV) { ++ dev_warn(&spi->dev, ++ "external vREF for ADS%d not specified\n", ++ ts->model); ++ return 0; ++ } ++ break; ++ } ++ ++ /* different chips have different sensor groups */ ++ switch (ts->model) { ++ case 7846: ++ ts->attr_group = &ads7846_attr_group; ++ break; ++ case 7845: ++ ts->attr_group = &ads7845_attr_group; ++ break; ++ case 7843: ++ ts->attr_group = &ads7843_attr_group; ++ break; ++ default: ++ dev_dbg(&spi->dev, "ADS%d not recognized\n", ts->model); ++ return 0; ++ } ++ ++ err = sysfs_create_group(&spi->dev.kobj, ts->attr_group); ++ if (err) ++ return err; ++ ++ hwmon = hwmon_device_register(&spi->dev); ++ if (IS_ERR(hwmon)) { ++ sysfs_remove_group(&spi->dev.kobj, ts->attr_group); ++ return PTR_ERR(hwmon); ++ } ++ ++ ts->hwmon = hwmon; ++ return 0; ++} ++ ++static void ads784x_hwmon_unregister(struct spi_device *spi, ++ struct ads7846 *ts) ++{ ++ if (ts->hwmon) { ++ sysfs_remove_group(&spi->dev.kobj, ts->attr_group); ++ hwmon_device_unregister(ts->hwmon); ++ } ++} ++ ++#else ++static inline int ads784x_hwmon_register(struct spi_device *spi, ++ struct ads7846 *ts) ++{ ++ return 0; ++} ++ ++static inline void ads784x_hwmon_unregister(struct spi_device *spi, ++ struct ads7846 *ts) ++{ ++} ++#endif + + static int is_pen_down(struct device *dev) + { +- struct ads7846 *ts = dev_get_drvdata(dev); ++ struct ads7846 *ts = dev_get_drvdata(dev); + + return ts->pendown; + } +@@ -318,46 +486,14 @@ + + static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store); + +-static struct attribute *ads7846_attributes[] = { +- &dev_attr_temp0.attr, +- &dev_attr_temp1.attr, +- &dev_attr_vbatt.attr, +- &dev_attr_vaux.attr, +- &dev_attr_pen_down.attr, +- &dev_attr_disable.attr, +- NULL, +-}; +- +-static struct attribute_group ads7846_attr_group = { +- .attrs = ads7846_attributes, +-}; +- +-/* +- * ads7843/7845 don't have temperature sensors, and +- * use the other sensors a bit differently too +- */ +- +-static struct attribute *ads7843_attributes[] = { +- &dev_attr_vbatt.attr, +- &dev_attr_vaux.attr, ++static struct attribute *ads784x_attributes[] = { + &dev_attr_pen_down.attr, + &dev_attr_disable.attr, + NULL, + }; + +-static struct attribute_group ads7843_attr_group = { +- .attrs = ads7843_attributes, +-}; +- +-static struct attribute *ads7845_attributes[] = { +- &dev_attr_vaux.attr, +- &dev_attr_pen_down.attr, +- &dev_attr_disable.attr, +- NULL, +-}; +- +-static struct attribute_group ads7845_attr_group = { +- .attrs = ads7845_attributes, ++static struct attribute_group ads784x_attr_group = { ++ .attrs = ads784x_attributes, + }; + + /*--------------------------------------------------------------------------*/ +@@ -373,25 +509,22 @@ + static void ads7846_rx(void *ads) + { + struct ads7846 *ts = ads; +- struct input_dev *input_dev = ts->input; + unsigned Rt; +- unsigned sync = 0; + u16 x, y, z1, z2; +- unsigned long flags; + +- /* adjust: on-wire is a must-ignore bit, a BE12 value, then padding; +- * built from two 8 bit values written msb-first. ++ /* ads7846_rx_val() did in-place conversion (including byteswap) from ++ * on-the-wire format as part of debouncing to get stable readings. + */ +- x = (be16_to_cpu(ts->tc.x) >> 3) & 0x0fff; +- y = (be16_to_cpu(ts->tc.y) >> 3) & 0x0fff; +- z1 = (be16_to_cpu(ts->tc.z1) >> 3) & 0x0fff; +- z2 = (be16_to_cpu(ts->tc.z2) >> 3) & 0x0fff; ++ x = ts->tc.x; ++ y = ts->tc.y; ++ z1 = ts->tc.z1; ++ z2 = ts->tc.z2; + + /* range filtering */ + if (x == MAX_12BIT) + x = 0; + +- if (likely(x && z1 && !device_suspended(&ts->spi->dev))) { ++ if (likely(x && z1)) { + /* compute touch pressure resistance using equation #2 */ + Rt = z2; + Rt -= z1; +@@ -402,101 +535,134 @@ + } else + Rt = 0; + ++ if (ts->model == 7843) ++ Rt = ts->pressure_max / 2; ++ ++ + /* Sample found inconsistent by debouncing or pressure is beyond +- * the maximum. Don't report it to user space, repeat at least +- * once more the measurement */ ++ * the maximum. Don't report it to user space, repeat at least ++ * once more the measurement ++ */ + if (ts->tc.ignore || Rt > ts->pressure_max) { +- mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD); ++#ifdef VERBOSE ++ pr_debug("%s: ignored %d pressure %d\n", ++ ts->spi->dev.bus_id, ts->tc.ignore, Rt); ++#endif ++ hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD), ++ HRTIMER_REL); + return; + } + +- /* NOTE: "pendown" is inferred from pressure; we don't rely on +- * being able to check nPENIRQ status, or "friendly" trigger modes +- * (both-edges is much better than just-falling or low-level). +- * +- * REVISIT: some boards may require reading nPENIRQ; it's +- * needed on 7843. and 7845 reads pressure differently... ++ /* NOTE: We can't rely on the pressure to determine the pen down ++ * state, even this controller has a pressure sensor. The pressure ++ * value can fluctuate for quite a while after lifting the pen and ++ * in some cases may not even settle at the expected value. + * +- * REVISIT: the touchscreen might not be connected; this code +- * won't notice that, even if nPENIRQ never fires ... ++ * The only safe way to check for the pen up condition is in the ++ * timer by reading the pen signal state (it's a GPIO _and_ IRQ). + */ +- if (!ts->pendown && Rt != 0) { +- input_report_key(input_dev, BTN_TOUCH, 1); +- sync = 1; +- } else if (ts->pendown && Rt == 0) { +- input_report_key(input_dev, BTN_TOUCH, 0); +- sync = 1; +- } +- + if (Rt) { +- input_report_abs(input_dev, ABS_X, x); +- input_report_abs(input_dev, ABS_Y, y); +- sync = 1; +- } ++ struct input_dev *input = ts->input; + +- if (sync) { +- input_report_abs(input_dev, ABS_PRESSURE, Rt); +- input_sync(input_dev); +- } +- +-#ifdef VERBOSE +- if (Rt || ts->pendown) +- pr_debug("%s: %d/%d/%d%s\n", ts->spi->dev.bus_id, +- x, y, Rt, Rt ? "" : " UP"); ++ if (!ts->pendown) { ++ input_report_key(input, BTN_TOUCH, 1); ++ ts->pendown = 1; ++#ifdef VERBOSE ++ dev_dbg(&ts->spi->dev, "DOWN\n"); + #endif ++ } ++ input_report_abs(input, ABS_X, x); ++ input_report_abs(input, ABS_Y, y); ++ input_report_abs(input, ABS_PRESSURE, Rt); ++ ++ input_sync(input); ++#ifdef VERBOSE ++ dev_dbg(&ts->spi->dev, "%4d/%4d/%4d\n", x, y, Rt); ++#endif ++ } + +- spin_lock_irqsave(&ts->lock, flags); +- +- ts->pendown = (Rt != 0); +- mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD); +- +- spin_unlock_irqrestore(&ts->lock, flags); ++ hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD), HRTIMER_REL); + } + +-static void ads7846_debounce(void *ads) ++static int ads7846_debounce(void *ads, int data_idx, int *val) + { + struct ads7846 *ts = ads; +- struct spi_message *m; +- struct spi_transfer *t; +- int val; +- int status; + +- m = &ts->msg[ts->msg_idx]; +- t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list); +- val = (be16_to_cpu(*(__be16 *)t->rx_buf) >> 3) & 0x0fff; +- if (!ts->read_cnt || (abs(ts->last_read - val) > ts->debounce_tol)) { ++ if (!ts->read_cnt || (abs(ts->last_read - *val) > ts->debounce_tol)) { ++ /* Start over collecting consistent readings. */ ++ ts->read_rep = 0; + /* Repeat it, if this was the first read or the read + * wasn't consistent enough. */ + if (ts->read_cnt < ts->debounce_max) { +- ts->last_read = val; ++ ts->last_read = *val; + ts->read_cnt++; ++ return ADS7846_FILTER_REPEAT; + } else { + /* Maximum number of debouncing reached and still + * not enough number of consistent readings. Abort + * the whole sample, repeat it in the next sampling + * period. + */ +- ts->tc.ignore = 1; + ts->read_cnt = 0; +- /* Last message will contain ads7846_rx() as the +- * completion function. +- */ +- m = ts->last_msg; ++ return ADS7846_FILTER_IGNORE; + } +- /* Start over collecting consistent readings. */ +- ts->read_rep = 0; + } else { + if (++ts->read_rep > ts->debounce_rep) { + /* Got a good reading for this coordinate, + * go for the next one. */ +- ts->tc.ignore = 0; +- ts->msg_idx++; + ts->read_cnt = 0; + ts->read_rep = 0; +- m++; +- } else ++ return ADS7846_FILTER_OK; ++ } else { + /* Read more values that are consistent. */ + ts->read_cnt++; ++ return ADS7846_FILTER_REPEAT; ++ } ++ } ++} ++ ++static int ads7846_no_filter(void *ads, int data_idx, int *val) ++{ ++ return ADS7846_FILTER_OK; ++} ++ ++static void ads7846_rx_val(void *ads) ++{ ++ struct ads7846 *ts = ads; ++ struct spi_message *m; ++ struct spi_transfer *t; ++ u16 *rx_val; ++ int val; ++ int action; ++ int status; ++ ++ m = &ts->msg[ts->msg_idx]; ++ t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list); ++ rx_val = t->rx_buf; ++ ++ /* adjust: on-wire is a must-ignore bit, a BE12 value, then padding; ++ * built from two 8 bit values written msb-first. ++ */ ++ val = be16_to_cpu(*rx_val) >> 3; ++ ++ action = ts->filter(ts->filter_data, ts->msg_idx, &val); ++ switch (action) { ++ case ADS7846_FILTER_REPEAT: ++ break; ++ case ADS7846_FILTER_IGNORE: ++ ts->tc.ignore = 1; ++ /* Last message will contain ads7846_rx() as the ++ * completion function. ++ */ ++ m = ts->last_msg; ++ break; ++ case ADS7846_FILTER_OK: ++ *rx_val = val; ++ ts->tc.ignore = 0; ++ m = &ts->msg[++ts->msg_idx]; ++ break; ++ default: ++ BUG(); + } + status = spi_async(ts->spi, m); + if (status) +@@ -504,21 +670,34 @@ + status); + } + +-static void ads7846_timer(unsigned long handle) ++static int ads7846_timer(struct hrtimer *handle) + { +- struct ads7846 *ts = (void *)handle; ++ struct ads7846 *ts = container_of(handle, struct ads7846, timer); + int status = 0; + + spin_lock_irq(&ts->lock); + +- if (unlikely(ts->msg_idx && !ts->pendown)) { ++ if (unlikely(!ts->get_pendown_state() || ++ device_suspended(&ts->spi->dev))) { ++ if (ts->pendown) { ++ struct input_dev *input = ts->input; ++ ++ input_report_key(input, BTN_TOUCH, 0); ++ input_report_abs(input, ABS_PRESSURE, 0); ++ input_sync(input); ++ ++ ts->pendown = 0; ++#ifdef VERBOSE ++ dev_dbg(&ts->spi->dev, "UP\n"); ++#endif ++ } ++ + /* measurement cycle ended */ + if (!device_suspended(&ts->spi->dev)) { + ts->irq_disabled = 0; + enable_irq(ts->spi->irq); + } + ts->pending = 0; +- ts->msg_idx = 0; + } else { + /* pen is still down, continue with the measurement */ + ts->msg_idx = 0; +@@ -528,6 +707,7 @@ + } + + spin_unlock_irq(&ts->lock); ++ return HRTIMER_NORESTART; + } + + static irqreturn_t ads7846_irq(int irq, void *handle) +@@ -546,7 +726,8 @@ + ts->irq_disabled = 1; + disable_irq(ts->spi->irq); + ts->pending = 1; +- mod_timer(&ts->timer, jiffies); ++ hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_DELAY), ++ HRTIMER_REL); + } + } + spin_unlock_irqrestore(&ts->lock, flags); +@@ -632,6 +813,7 @@ + struct ads7846_platform_data *pdata = spi->dev.platform_data; + struct spi_message *m; + struct spi_transfer *x; ++ int vref; + int err; + + if (!spi->irq) { +@@ -665,6 +847,10 @@ + * may not. So we stick to very-portable 8 bit words, both RX and TX. + */ + spi->bits_per_word = 8; ++ spi->mode = SPI_MODE_1; ++ err = spi_setup(spi); ++ if (err < 0) ++ return err; + + ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL); + input_dev = input_allocate_device(); +@@ -679,8 +865,7 @@ + ts->spi = spi; + ts->input = input_dev; + +- init_timer(&ts->timer); +- ts->timer.data = (unsigned long) ts; ++ hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_REL); + ts->timer.function = ads7846_timer; + + spin_lock_init(&ts->lock); +@@ -689,14 +874,25 @@ + ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100; + ts->x_plate_ohms = pdata->x_plate_ohms ? : 400; + ts->pressure_max = pdata->pressure_max ? : ~0; +- if (pdata->debounce_max) { ++ ++ if (pdata->filter != NULL) { ++ if (pdata->filter_init != NULL) { ++ err = pdata->filter_init(pdata, &ts->filter_data); ++ if (err < 0) ++ goto err_free_mem; ++ } ++ ts->filter = pdata->filter; ++ ts->filter_cleanup = pdata->filter_cleanup; ++ } else if (pdata->debounce_max) { + ts->debounce_max = pdata->debounce_max; ++ if (ts->debounce_max < 2) ++ ts->debounce_max = 2; + ts->debounce_tol = pdata->debounce_tol; + ts->debounce_rep = pdata->debounce_rep; +- if (ts->debounce_rep > ts->debounce_max + 1) +- ts->debounce_rep = ts->debounce_max - 1; ++ ts->filter = ads7846_debounce; ++ ts->filter_data = ts; + } else +- ts->debounce_tol = ~0; ++ ts->filter = ads7846_no_filter; + ts->get_pendown_state = pdata->get_pendown_state; + + snprintf(ts->phys, sizeof(ts->phys), "%s/input0", spi->dev.bus_id); +@@ -718,6 +914,8 @@ + input_set_abs_params(input_dev, ABS_PRESSURE, + pdata->pressure_min, pdata->pressure_max, 0, 0); + ++ vref = pdata->keep_vref_on; ++ + /* set up the transfers to read touchscreen state; this assumes we + * use formula #2 for pressure, not #3. + */ +@@ -727,7 +925,7 @@ + spi_message_init(m); + + /* y- still on; turn on only y+ (and ADC) */ +- ts->read_y = READ_Y; ++ ts->read_y = READ_Y(vref); + x->tx_buf = &ts->read_y; + x->len = 1; + spi_message_add_tail(x, m); +@@ -737,7 +935,7 @@ + x->len = 2; + spi_message_add_tail(x, m); + +- m->complete = ads7846_debounce; ++ m->complete = ads7846_rx_val; + m->context = ts; + + m++; +@@ -745,7 +943,7 @@ + + /* turn y- off, x+ on, then leave in lowpower */ + x++; +- ts->read_x = READ_X; ++ ts->read_x = READ_X(vref); + x->tx_buf = &ts->read_x; + x->len = 1; + spi_message_add_tail(x, m); +@@ -755,7 +953,7 @@ + x->len = 2; + spi_message_add_tail(x, m); + +- m->complete = ads7846_debounce; ++ m->complete = ads7846_rx_val; + m->context = ts; + + /* turn y+ off, x- on; we'll use formula #2 */ +@@ -764,7 +962,7 @@ + spi_message_init(m); + + x++; +- ts->read_z1 = READ_Z1; ++ ts->read_z1 = READ_Z1(vref); + x->tx_buf = &ts->read_z1; + x->len = 1; + spi_message_add_tail(x, m); +@@ -774,14 +972,14 @@ + x->len = 2; + spi_message_add_tail(x, m); + +- m->complete = ads7846_debounce; ++ m->complete = ads7846_rx_val; + m->context = ts; + + m++; + spi_message_init(m); + + x++; +- ts->read_z2 = READ_Z2; ++ ts->read_z2 = READ_Z2(vref); + x->tx_buf = &ts->read_z2; + x->len = 1; + spi_message_add_tail(x, m); +@@ -791,7 +989,7 @@ + x->len = 2; + spi_message_add_tail(x, m); + +- m->complete = ads7846_debounce; ++ m->complete = ads7846_rx_val; + m->context = ts; + } + +@@ -820,31 +1018,24 @@ + spi->dev.driver->name, ts)) { + dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq); + err = -EBUSY; +- goto err_free_mem; ++ goto err_cleanup_filter; + } + ++ err = ads784x_hwmon_register(spi, ts); ++ if (err) ++ goto err_free_irq; ++ + dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq); + +- /* take a first sample, leaving nPENIRQ active; avoid ++ /* take a first sample, leaving nPENIRQ active and vREF off; avoid + * the touchscreen, in case it's not connected. + */ + (void) ads7846_read12_ser(&spi->dev, + READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON); + +- switch (ts->model) { +- case 7846: +- ts->attr_group = &ads7846_attr_group; +- break; +- case 7845: +- ts->attr_group = &ads7845_attr_group; +- break; +- default: +- ts->attr_group = &ads7843_attr_group; +- break; +- } +- err = sysfs_create_group(&spi->dev.kobj, ts->attr_group); ++ err = sysfs_create_group(&spi->dev.kobj, &ads784x_attr_group); + if (err) +- goto err_free_irq; ++ goto err_remove_hwmon; + + err = input_register_device(input_dev); + if (err) +@@ -853,9 +1044,14 @@ + return 0; + + err_remove_attr_group: +- sysfs_remove_group(&spi->dev.kobj, ts->attr_group); ++ sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group); ++ err_remove_hwmon: ++ ads784x_hwmon_unregister(spi, ts); + err_free_irq: + free_irq(spi->irq, ts); ++ err_cleanup_filter: ++ if (ts->filter_cleanup) ++ ts->filter_cleanup(ts->filter_data); + err_free_mem: + input_free_device(input_dev); + kfree(ts); +@@ -866,16 +1062,20 @@ + { + struct ads7846 *ts = dev_get_drvdata(&spi->dev); + ++ ads784x_hwmon_unregister(spi, ts); + input_unregister_device(ts->input); + + ads7846_suspend(spi, PMSG_SUSPEND); + +- sysfs_remove_group(&spi->dev.kobj, ts->attr_group); ++ sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group); + + free_irq(ts->spi->irq, ts); + /* suspend left the IRQ disabled */ + enable_irq(ts->spi->irq); + ++ if (ts->filter_cleanup) ++ ts->filter_cleanup(ts->filter_data); ++ + kfree(ts); + + dev_dbg(&spi->dev, "unregistered touchscreen\n"); +diff -urN linux-2.6.20.4-0rig/drivers/leds/Kconfig linux-2.6.20.4-atmel/drivers/leds/Kconfig +--- linux-2.6.20.4-0rig/drivers/leds/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/leds/Kconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -76,6 +76,13 @@ + This option enables support for the Soekris net4801 and net4826 error + LED. + ++config LEDS_AT91 ++ tristate "LED support using AT91 GPIOs" ++ depends on LEDS_CLASS && ARCH_AT91 && !LEDS ++ help ++ This option enables support for LEDs connected to GPIO lines ++ on AT91-based boards. ++ + config LEDS_WRAP + tristate "LED Support for the WRAP series LEDs" + depends on LEDS_CLASS && SCx200_GPIO +diff -urN linux-2.6.20.4-0rig/drivers/leds/leds-at91.c linux-2.6.20.4-atmel/drivers/leds/leds-at91.c +--- linux-2.6.20.4-0rig/drivers/leds/leds-at91.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/leds/leds-at91.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,140 @@ ++/* ++ * AT91 GPIO based LED driver ++ * ++ * Copyright (C) 2006 David Brownell ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/platform_device.h> ++#include <linux/leds.h> ++ ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++ ++static LIST_HEAD(at91_led_list); /* list of AT91 LEDs */ ++ ++struct at91_led { ++ struct led_classdev cdev; ++ struct list_head list; ++ struct at91_gpio_led *led_data; ++}; ++ ++/* ++ * Change the state of the LED. ++ */ ++static void at91_led_set(struct led_classdev *cdev, enum led_brightness value) ++{ ++ struct at91_led *led = container_of(cdev, struct at91_led, cdev); ++ short active = (value == LED_OFF); ++ ++ if (led->led_data->flags & 1) /* active high/low? */ ++ active = !active; ++ at91_set_gpio_value(led->led_data->gpio, value == LED_OFF); ++} ++ ++static int __devexit at91_led_remove(struct platform_device *pdev) ++{ ++ struct at91_led *led; ++ ++ list_for_each_entry (led, &at91_led_list, list) ++ led_classdev_unregister(&led->cdev); ++ ++#warning "Free allocated memory" ++ // TODO: Free memory. kfree(led); ++ ++ return 0; ++} ++ ++static int __init at91_led_probe(struct platform_device *pdev) ++{ ++ int status = 0; ++ struct at91_gpio_led *pdata = pdev->dev.platform_data; ++ unsigned nr_leds; ++ struct at91_led *led; ++ ++ if (!pdata) ++ return -ENODEV; ++ ++ nr_leds = pdata->index; /* first index stores number of LEDs */ ++ ++ while (nr_leds--) { ++ led = kzalloc(sizeof(struct at91_led), GFP_KERNEL); ++ if (!led) { ++ dev_err(&pdev->dev, "No memory for device\n"); ++ status = -ENOMEM; ++ goto cleanup; ++ } ++ led->led_data = pdata; ++ led->cdev.name = pdata->name; ++ led->cdev.brightness_set = at91_led_set, ++ led->cdev.default_trigger = pdata->trigger; ++ ++ status = led_classdev_register(&pdev->dev, &led->cdev); ++ if (status < 0) { ++ dev_err(&pdev->dev, "led_classdev_register failed - %d\n", status); ++cleanup: ++ at91_led_remove(pdev); ++ break; ++ } ++ list_add(&led->list, &at91_led_list); ++ pdata++; ++ } ++ return status; ++} ++ ++#ifdef CONFIG_PM ++static int at91_led_suspend(struct platform_device *dev, pm_message_t state) ++{ ++ struct at91_led *led; ++ ++ list_for_each_entry (led, &at91_led_list, list) ++ led_classdev_suspend(&led->cdev); ++ ++ return 0; ++} ++ ++static int at91_led_resume(struct platform_device *dev) ++{ ++ struct at91_led *led; ++ ++ list_for_each_entry (led, &at91_led_list, list) ++ led_classdev_resume(&led->cdev); ++ ++ return 0; ++} ++#else ++#define at91_led_suspend NULL ++#define at91_led_resume NULL ++#endif ++ ++static struct platform_driver at91_led_driver = { ++ .probe = at91_led_probe, ++ .remove = __devexit_p(at91_led_remove), ++ .suspend = at91_led_suspend, ++ .resume = at91_led_resume, ++ .driver = { ++ .name = "at91_leds", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init at91_led_init(void) ++{ ++ return platform_driver_register(&at91_led_driver); ++} ++module_init(at91_led_init); ++ ++static void __exit at91_led_exit(void) ++{ ++ platform_driver_unregister(&at91_led_driver); ++} ++module_exit(at91_led_exit); ++ ++MODULE_DESCRIPTION("AT91 GPIO LED driver"); ++MODULE_AUTHOR("David Brownell"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/leds/Makefile linux-2.6.20.4-atmel/drivers/leds/Makefile +--- linux-2.6.20.4-0rig/drivers/leds/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/leds/Makefile 2007-03-24 16:39:15.000000000 +0100 +@@ -14,6 +14,7 @@ + obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o + obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o + obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o ++obj-$(CONFIG_LEDS_AT91) += leds-at91.o + + # LED Triggers + obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o +diff -urN linux-2.6.20.4-0rig/drivers/mmc/at91_mci.c linux-2.6.20.4-atmel/drivers/mmc/at91_mci.c +--- linux-2.6.20.4-0rig/drivers/mmc/at91_mci.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mmc/at91_mci.c 2007-03-24 16:39:15.000000000 +0100 +@@ -64,6 +64,7 @@ + #include <linux/err.h> + #include <linux/dma-mapping.h> + #include <linux/clk.h> ++#include <linux/atmel_pdc.h> + + #include <linux/mmc/host.h> + #include <linux/mmc/protocol.h> +@@ -75,7 +76,7 @@ + #include <asm/arch/cpu.h> + #include <asm/arch/gpio.h> + #include <asm/arch/at91_mci.h> +-#include <asm/arch/at91_pdc.h> ++ + + #define DRIVER_NAME "at91_mci" + +@@ -85,8 +86,8 @@ + #define FL_SENT_STOP (1 << 1) + + #define AT91_MCI_ERRORS (AT91_MCI_RINDE | AT91_MCI_RDIRE | AT91_MCI_RCRCE \ +- | AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE \ +- | AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE) ++ | AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE \ ++ | AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE) + + #define at91_mci_read(host, reg) __raw_readl((host)->baseaddr + (reg)) + #define at91_mci_write(host, reg, val) __raw_writel((val), (host)->baseaddr + (reg)) +@@ -211,13 +212,13 @@ + + /* Check to see if this needs filling */ + if (i == 0) { +- if (at91_mci_read(host, AT91_PDC_RCR) != 0) { ++ if (at91_mci_read(host, ATMEL_PDC_RCR) != 0) { + pr_debug("Transfer active in current\n"); + continue; + } + } + else { +- if (at91_mci_read(host, AT91_PDC_RNCR) != 0) { ++ if (at91_mci_read(host, ATMEL_PDC_RNCR) != 0) { + pr_debug("Transfer active in next\n"); + continue; + } +@@ -234,12 +235,12 @@ + pr_debug("dma address = %08X, length = %d\n", sg->dma_address, sg->length); + + if (i == 0) { +- at91_mci_write(host, AT91_PDC_RPR, sg->dma_address); +- at91_mci_write(host, AT91_PDC_RCR, sg->length / 4); ++ at91_mci_write(host, ATMEL_PDC_RPR, sg->dma_address); ++ at91_mci_write(host, ATMEL_PDC_RCR, sg->length / 4); + } + else { +- at91_mci_write(host, AT91_PDC_RNPR, sg->dma_address); +- at91_mci_write(host, AT91_PDC_RNCR, sg->length / 4); ++ at91_mci_write(host, ATMEL_PDC_RNPR, sg->dma_address); ++ at91_mci_write(host, ATMEL_PDC_RNCR, sg->length / 4); + } + } + +@@ -303,37 +304,12 @@ + at91mci_pre_dma_read(host); + else { + at91_mci_write(host, AT91_MCI_IER, AT91_MCI_RXBUFF); +- at91_mci_write(host, AT91_PDC_PTCR, AT91_PDC_RXTDIS | AT91_PDC_TXTDIS); ++ at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); + } + + pr_debug("post dma read done\n"); + } + +-/* +- * Handle transmitted data +- */ +-static void at91_mci_handle_transmitted(struct at91mci_host *host) +-{ +- struct mmc_command *cmd; +- struct mmc_data *data; +- +- pr_debug("Handling the transmit\n"); +- +- /* Disable the transfer */ +- at91_mci_write(host, AT91_PDC_PTCR, AT91_PDC_RXTDIS | AT91_PDC_TXTDIS); +- +- /* Now wait for cmd ready */ +- at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_TXBUFE); +- at91_mci_write(host, AT91_MCI_IER, AT91_MCI_NOTBUSY); +- +- cmd = host->cmd; +- if (!cmd) return; +- +- data = cmd->data; +- if (!data) return; +- +- data->bytes_xfered = host->total_length; +-} + + /* + * Enable the controller +@@ -431,15 +407,15 @@ + cmd->opcode, cmdr, cmd->arg, blocks, block_length, at91_mci_read(host, AT91_MCI_MR)); + + if (!data) { +- at91_mci_write(host, AT91_PDC_PTCR, AT91_PDC_TXTDIS | AT91_PDC_RXTDIS); +- at91_mci_write(host, AT91_PDC_RPR, 0); +- at91_mci_write(host, AT91_PDC_RCR, 0); +- at91_mci_write(host, AT91_PDC_RNPR, 0); +- at91_mci_write(host, AT91_PDC_RNCR, 0); +- at91_mci_write(host, AT91_PDC_TPR, 0); +- at91_mci_write(host, AT91_PDC_TCR, 0); +- at91_mci_write(host, AT91_PDC_TNPR, 0); +- at91_mci_write(host, AT91_PDC_TNCR, 0); ++ at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTDIS | ATMEL_PDC_RXTDIS); ++ at91_mci_write(host, ATMEL_PDC_RPR, 0); ++ at91_mci_write(host, ATMEL_PDC_RCR, 0); ++ at91_mci_write(host, ATMEL_PDC_RNPR, 0); ++ at91_mci_write(host, ATMEL_PDC_RNCR, 0); ++ at91_mci_write(host, ATMEL_PDC_TPR, 0); ++ at91_mci_write(host, ATMEL_PDC_TCR, 0); ++ at91_mci_write(host, ATMEL_PDC_TNPR, 0); ++ at91_mci_write(host, ATMEL_PDC_TNCR, 0); + + at91_mci_write(host, AT91_MCI_ARGR, cmd->arg); + at91_mci_write(host, AT91_MCI_CMDR, cmdr); +@@ -452,7 +428,7 @@ + /* + * Disable the PDC controller + */ +- at91_mci_write(host, AT91_PDC_PTCR, AT91_PDC_RXTDIS | AT91_PDC_TXTDIS); ++ at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); + + if (cmdr & AT91_MCI_TRCMD_START) { + data->bytes_xfered = 0; +@@ -474,15 +450,15 @@ + */ + host->total_length = block_length * blocks; + host->buffer = dma_alloc_coherent(NULL, +- host->total_length, +- &host->physical_address, GFP_KERNEL); ++ host->total_length, ++ &host->physical_address, GFP_KERNEL); + + at91mci_sg_to_dma(host, data); + + pr_debug("Transmitting %d bytes\n", host->total_length); + +- at91_mci_write(host, AT91_PDC_TPR, host->physical_address); +- at91_mci_write(host, AT91_PDC_TCR, host->total_length / 4); ++ at91_mci_write(host, ATMEL_PDC_TPR, host->physical_address); ++ at91_mci_write(host, ATMEL_PDC_TCR, host->total_length / 4); + ier = AT91_MCI_TXBUFE; + } + } +@@ -497,9 +473,9 @@ + + if (cmdr & AT91_MCI_TRCMD_START) { + if (cmdr & AT91_MCI_TRDIR) +- at91_mci_write(host, AT91_PDC_PTCR, AT91_PDC_RXTEN); ++ at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN); + else +- at91_mci_write(host, AT91_PDC_PTCR, AT91_PDC_TXTEN); ++ at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_TXTEN); + } + return ier; + } +@@ -561,9 +537,7 @@ + pr_debug("Status = %08X [%08X %08X %08X %08X]\n", + status, cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]); + +- if (status & (AT91_MCI_RINDE | AT91_MCI_RDIRE | AT91_MCI_RCRCE | +- AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE | +- AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE)) { ++ if (status & AT91_MCI_ERRORS) { + if ((status & AT91_MCI_RCRCE) && + ((cmd->opcode == MMC_SEND_OP_COND) || (cmd->opcode == SD_APP_OP_COND))) { + cmd->error = MMC_ERR_NONE; +@@ -601,6 +575,32 @@ + } + + /* ++ * Handle transmitted data ++ */ ++static void at91_mci_handle_transmitted(struct at91mci_host *host) ++{ ++ struct mmc_command *cmd; ++ struct mmc_data *data; ++ ++ pr_debug("Handling the transmit\n"); ++ ++ /* Disable the transfer */ ++ at91_mci_write(host, ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS); ++ ++ /* Now wait for cmd ready */ ++ at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_TXBUFE); ++ at91_mci_write(host, AT91_MCI_IER, AT91_MCI_NOTBUSY); ++ ++ cmd = host->cmd; ++ if (!cmd) return; ++ ++ data = cmd->data; ++ if (!data) return; ++ ++ data->bytes_xfered = host->total_length; ++} ++ ++/* + * Set the IOS + */ + static void at91_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) +@@ -665,15 +665,15 @@ + + int_status = at91_mci_read(host, AT91_MCI_SR); + int_mask = at91_mci_read(host, AT91_MCI_IMR); +- ++ + pr_debug("MCI irq: status = %08X, %08X, %08X\n", int_status, int_mask, + int_status & int_mask); +- ++ + int_status = int_status & int_mask; + + if (int_status & AT91_MCI_ERRORS) { + completed = 1; +- ++ + if (int_status & AT91_MCI_UNRE) + pr_debug("MMC: Underrun error\n"); + if (int_status & AT91_MCI_OVRE) +@@ -821,7 +821,7 @@ + mmc->f_min = 375000; + mmc->f_max = 25000000; + mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; +- mmc->caps = MMC_CAP_BYTEBLOCK; ++ mmc->caps = MMC_CAP_BYTEBLOCK | MMC_CAP_MULTIWRITE; + + host = mmc_priv(mmc); + host->mmc = mmc; +@@ -853,15 +853,15 @@ + host->baseaddr = ioremap(res->start, res->end - res->start + 1); + if (!host->baseaddr) { + clk_put(host->mci_clk); +- mmc_free_host(mmc); + release_mem_region(res->start, res->end - res->start + 1); ++ mmc_free_host(mmc); + return -ENOMEM; + } + + /* + * Reset hardware + */ +- clk_enable(host->mci_clk); /* Enable the peripheral clock */ ++ clk_enable(host->mci_clk); /* Enable the peripheral clock */ + at91_mci_disable(host); + at91_mci_enable(host); + +@@ -874,9 +874,9 @@ + printk(KERN_ERR "AT91 MMC: Failed to request MCI interrupt\n"); + clk_disable(host->mci_clk); + clk_put(host->mci_clk); +- mmc_free_host(mmc); + iounmap(host->baseaddr); + release_mem_region(res->start, res->end - res->start + 1); ++ mmc_free_host(mmc); + return ret; + } + +@@ -930,13 +930,13 @@ + mmc_remove_host(mmc); + free_irq(host->irq, host); + +- clk_disable(host->mci_clk); /* Disable the peripheral clock */ +- clk_put(host->mci_clk); +- + iounmap(host->baseaddr); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, res->end - res->start + 1); + ++ clk_disable(host->mci_clk); /* Disable the peripheral clock */ ++ clk_put(host->mci_clk); ++ + mmc_free_host(mmc); + platform_set_drvdata(pdev, NULL); + pr_debug("MCI Removed\n"); +diff -urN linux-2.6.20.4-0rig/drivers/mmc/atmel-mci.c linux-2.6.20.4-atmel/drivers/mmc/atmel-mci.c +--- linux-2.6.20.4-0rig/drivers/mmc/atmel-mci.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mmc/atmel-mci.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,1218 @@ ++/* ++ * Atmel MultiMedia Card Interface driver ++ * ++ * Copyright (C) 2004-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include <linux/blkdev.h> ++#include <linux/clk.h> ++#include <linux/device.h> ++#include <linux/dma-mapping.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/ioport.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++ ++#include <linux/mmc/host.h> ++#include <linux/mmc/protocol.h> ++ ++#include <asm/dma-controller.h> ++#include <asm/io.h> ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++ ++#include "atmel-mci.h" ++ ++#define DRIVER_NAME "atmel_mci" ++ ++#define MCI_CMD_ERROR_FLAGS (MCI_BIT(RINDE) | MCI_BIT(RDIRE) | \ ++ MCI_BIT(RCRCE) | MCI_BIT(RENDE) | \ ++ MCI_BIT(RTOE)) ++#define MCI_DATA_ERROR_FLAGS (MCI_BIT(DCRCE) | MCI_BIT(DTOE) | \ ++ MCI_BIT(OVRE) | MCI_BIT(UNRE)) ++ ++enum { ++ EVENT_CMD_COMPLETE = 0, ++ EVENT_CMD_ERROR, ++ EVENT_DATA_COMPLETE, ++ EVENT_DATA_ERROR, ++ EVENT_STOP_SENT, ++ EVENT_STOP_COMPLETE, ++ EVENT_STOP_ERROR, ++ EVENT_DMA_ERROR, ++ EVENT_CARD_DETECT, ++}; ++ ++struct atmel_mci_dma { ++ struct dma_request_sg req; ++ unsigned short rx_periph_id; ++ unsigned short tx_periph_id; ++}; ++ ++struct atmel_mci { ++ struct mmc_host *mmc; ++ void __iomem *regs; ++ struct atmel_mci_dma dma; ++ ++ struct mmc_request *mrq; ++ struct mmc_command *cmd; ++ struct mmc_data *data; ++ ++ u32 stop_cmdr; ++ u32 stop_iflags; ++ ++ struct tasklet_struct tasklet; ++ unsigned long pending_events; ++ unsigned long completed_events; ++ u32 error_status; ++ ++ int present; ++ int detect_pin; ++ int wp_pin; ++ ++ unsigned long bus_hz; ++ unsigned long mapbase; ++ struct clk *mck; ++ struct platform_device *pdev; ++ ++#ifdef CONFIG_DEBUG_FS ++ struct dentry *debugfs_root; ++ struct dentry *debugfs_regs; ++ struct dentry *debugfs_req; ++ struct dentry *debugfs_pending_events; ++ struct dentry *debugfs_completed_events; ++#endif ++}; ++ ++/* Those printks take an awful lot of time... */ ++#ifndef DEBUG ++static unsigned int fmax = 15000000U; ++#else ++static unsigned int fmax = 1000000U; ++#endif ++module_param(fmax, uint, 0444); ++MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock"); ++ ++/* Test bit macros for completed events */ ++#define mci_cmd_is_complete(host) \ ++ test_bit(EVENT_CMD_COMPLETE, &host->completed_events) ++#define mci_cmd_error_is_complete(host) \ ++ test_bit(EVENT_CMD_ERROR, &host->completed_events) ++#define mci_data_is_complete(host) \ ++ test_bit(EVENT_DATA_COMPLETE, &host->completed_events) ++#define mci_data_error_is_complete(host) \ ++ test_bit(EVENT_DATA_ERROR, &host->completed_events) ++#define mci_stop_sent_is_complete(host) \ ++ test_bit(EVENT_STOP_SENT, &host->completed_events) ++#define mci_stop_is_complete(host) \ ++ test_bit(EVENT_STOP_COMPLETE, &host->completed_events) ++#define mci_stop_error_is_complete(host) \ ++ test_bit(EVENT_STOP_ERROR, &host->completed_events) ++#define mci_dma_error_is_complete(host) \ ++ test_bit(EVENT_DMA_ERROR, &host->completed_events) ++#define mci_card_detect_is_complete(host) \ ++ test_bit(EVENT_CARD_DETECT, &host->completed_events) ++ ++/* Test and clear bit macros for pending events */ ++#define mci_clear_cmd_is_pending(host) \ ++ test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) ++#define mci_clear_cmd_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events) ++#define mci_clear_data_is_pending(host) \ ++ test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) ++#define mci_clear_data_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events) ++#define mci_clear_stop_sent_is_pending(host) \ ++ test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events) ++#define mci_clear_stop_is_pending(host) \ ++ test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) ++#define mci_clear_stop_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events) ++#define mci_clear_dma_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events) ++#define mci_clear_card_detect_is_pending(host) \ ++ test_and_clear_bit(EVENT_CARD_DETECT, &host->pending_events) ++ ++/* Test and set bit macros for completed events */ ++#define mci_set_cmd_is_completed(host) \ ++ test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events) ++#define mci_set_cmd_error_is_completed(host) \ ++ test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events) ++#define mci_set_data_is_completed(host) \ ++ test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events) ++#define mci_set_data_error_is_completed(host) \ ++ test_and_set_bit(EVENT_DATA_ERROR, &host->completed_events) ++#define mci_set_stop_sent_is_completed(host) \ ++ test_and_set_bit(EVENT_STOP_SENT, &host->completed_events) ++#define mci_set_stop_is_completed(host) \ ++ test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events) ++#define mci_set_stop_error_is_completed(host) \ ++ test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events) ++#define mci_set_dma_error_is_completed(host) \ ++ test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events) ++#define mci_set_card_detect_is_completed(host) \ ++ test_and_set_bit(EVENT_CARD_DETECT, &host->completed_events) ++ ++/* Set bit macros for completed events */ ++#define mci_set_cmd_complete(host) \ ++ set_bit(EVENT_CMD_COMPLETE, &host->completed_events) ++#define mci_set_cmd_error_complete(host) \ ++ set_bit(EVENT_CMD_ERROR, &host->completed_events) ++#define mci_set_data_complete(host) \ ++ set_bit(EVENT_DATA_COMPLETE, &host->completed_events) ++#define mci_set_data_error_complete(host) \ ++ set_bit(EVENT_DATA_ERROR, &host->completed_events) ++#define mci_set_stop_sent_complete(host) \ ++ set_bit(EVENT_STOP_SENT, &host->completed_events) ++#define mci_set_stop_complete(host) \ ++ set_bit(EVENT_STOP_COMPLETE, &host->completed_events) ++#define mci_set_stop_error_complete(host) \ ++ set_bit(EVENT_STOP_ERROR, &host->completed_events) ++#define mci_set_dma_error_complete(host) \ ++ set_bit(EVENT_DMA_ERROR, &host->completed_events) ++#define mci_set_card_detect_complete(host) \ ++ set_bit(EVENT_CARD_DETECT, &host->completed_events) ++ ++/* Set bit macros for pending events */ ++#define mci_set_cmd_pending(host) \ ++ set_bit(EVENT_CMD_COMPLETE, &host->pending_events) ++#define mci_set_cmd_error_pending(host) \ ++ set_bit(EVENT_CMD_ERROR, &host->pending_events) ++#define mci_set_data_pending(host) \ ++ set_bit(EVENT_DATA_COMPLETE, &host->pending_events) ++#define mci_set_data_error_pending(host) \ ++ set_bit(EVENT_DATA_ERROR, &host->pending_events) ++#define mci_set_stop_sent_pending(host) \ ++ set_bit(EVENT_STOP_SENT, &host->pending_events) ++#define mci_set_stop_pending(host) \ ++ set_bit(EVENT_STOP_COMPLETE, &host->pending_events) ++#define mci_set_stop_error_pending(host) \ ++ set_bit(EVENT_STOP_ERROR, &host->pending_events) ++#define mci_set_dma_error_pending(host) \ ++ set_bit(EVENT_DMA_ERROR, &host->pending_events) ++#define mci_set_card_detect_pending(host) \ ++ set_bit(EVENT_CARD_DETECT, &host->pending_events) ++ ++/* Clear bit macros for pending events */ ++#define mci_clear_cmd_pending(host) \ ++ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) ++#define mci_clear_cmd_error_pending(host) \ ++ clear_bit(EVENT_CMD_ERROR, &host->pending_events) ++#define mci_clear_data_pending(host) \ ++ clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) ++#define mci_clear_data_error_pending(host) \ ++ clear_bit(EVENT_DATA_ERROR, &host->pending_events) ++#define mci_clear_stop_sent_pending(host) \ ++ clear_bit(EVENT_STOP_SENT, &host->pending_events) ++#define mci_clear_stop_pending(host) \ ++ clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) ++#define mci_clear_stop_error_pending(host) \ ++ clear_bit(EVENT_STOP_ERROR, &host->pending_events) ++#define mci_clear_dma_error_pending(host) \ ++ clear_bit(EVENT_DMA_ERROR, &host->pending_events) ++#define mci_clear_card_detect_pending(host) \ ++ clear_bit(EVENT_CARD_DETECT, &host->pending_events) ++ ++ ++#ifdef CONFIG_DEBUG_FS ++#include <linux/debugfs.h> ++ ++#define DBG_REQ_BUF_SIZE (4096 - sizeof(unsigned int)) ++ ++struct req_dbg_data { ++ unsigned int nbytes; ++ char str[DBG_REQ_BUF_SIZE]; ++}; ++ ++static int req_dbg_open(struct inode *inode, struct file *file) ++{ ++ struct atmel_mci *host; ++ struct mmc_request *mrq; ++ struct mmc_command *cmd, *stop; ++ struct mmc_data *data; ++ struct req_dbg_data *priv; ++ char *str; ++ unsigned long n = 0; ++ ++ priv = kzalloc(DBG_REQ_BUF_SIZE, GFP_KERNEL); ++ if (!priv) ++ return -ENOMEM; ++ str = priv->str; ++ ++ mutex_lock(&inode->i_mutex); ++ host = inode->i_private; ++ ++ spin_lock_irq(&host->mmc->lock); ++ mrq = host->mrq; ++ if (mrq) { ++ cmd = mrq->cmd; ++ data = mrq->data; ++ stop = mrq->stop; ++ n = snprintf(str, DBG_REQ_BUF_SIZE, ++ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n", ++ cmd->opcode, cmd->arg, cmd->flags, ++ cmd->resp[0], cmd->resp[1], cmd->resp[2], ++ cmd->resp[3], cmd->error); ++ if (n < DBG_REQ_BUF_SIZE && data) ++ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n, ++ "DATA %u * %u (%u) %x (err %u)\n", ++ data->blocks, data->blksz, ++ data->bytes_xfered, data->flags, ++ data->error); ++ if (n < DBG_REQ_BUF_SIZE && stop) ++ n += snprintf(str + n, DBG_REQ_BUF_SIZE - n, ++ "CMD%u(0x%x) %x %x %x %x %x (err %u)\n", ++ stop->opcode, stop->arg, stop->flags, ++ stop->resp[0], stop->resp[1], ++ stop->resp[2], stop->resp[3], ++ stop->error); ++ } ++ spin_unlock_irq(&host->mmc->lock); ++ mutex_unlock(&inode->i_mutex); ++ ++ priv->nbytes = min(n, DBG_REQ_BUF_SIZE); ++ file->private_data = priv; ++ ++ return 0; ++} ++ ++static ssize_t req_dbg_read(struct file *file, char __user *buf, ++ size_t nbytes, loff_t *ppos) ++{ ++ struct req_dbg_data *priv = file->private_data; ++ ++ return simple_read_from_buffer(buf, nbytes, ppos, ++ priv->str, priv->nbytes); ++} ++ ++static int req_dbg_release(struct inode *inode, struct file *file) ++{ ++ kfree(file->private_data); ++ return 0; ++} ++ ++static const struct file_operations req_dbg_fops = { ++ .owner = THIS_MODULE, ++ .open = req_dbg_open, ++ .llseek = no_llseek, ++ .read = req_dbg_read, ++ .release = req_dbg_release, ++}; ++ ++static int regs_dbg_open(struct inode *inode, struct file *file) ++{ ++ struct atmel_mci *host; ++ unsigned int i; ++ u32 *data; ++ int ret = -ENOMEM; ++ ++ mutex_lock(&inode->i_mutex); ++ host = inode->i_private; ++ data = kmalloc(inode->i_size, GFP_KERNEL); ++ if (!data) ++ goto out; ++ ++ spin_lock_irq(&host->mmc->lock); ++ for (i = 0; i < inode->i_size / 4; i++) ++ data[i] = __raw_readl(host->regs + i * 4); ++ spin_unlock_irq(&host->mmc->lock); ++ ++ file->private_data = data; ++ ret = 0; ++ ++out: ++ mutex_unlock(&inode->i_mutex); ++ ++ return ret; ++} ++ ++static ssize_t regs_dbg_read(struct file *file, char __user *buf, ++ size_t nbytes, loff_t *ppos) ++{ ++ struct inode *inode = file->f_dentry->d_inode; ++ int ret; ++ ++ mutex_lock(&inode->i_mutex); ++ ret = simple_read_from_buffer(buf, nbytes, ppos, ++ file->private_data, ++ file->f_dentry->d_inode->i_size); ++ mutex_unlock(&inode->i_mutex); ++ ++ return ret; ++} ++ ++static int regs_dbg_release(struct inode *inode, struct file *file) ++{ ++ kfree(file->private_data); ++ return 0; ++} ++ ++static const struct file_operations regs_dbg_fops = { ++ .owner = THIS_MODULE, ++ .open = regs_dbg_open, ++ .llseek = generic_file_llseek, ++ .read = regs_dbg_read, ++ .release = regs_dbg_release, ++}; ++ ++static void atmci_init_debugfs(struct atmel_mci *host) ++{ ++ struct mmc_host *mmc; ++ struct dentry *root, *regs; ++ struct resource *res; ++ ++ mmc = host->mmc; ++ root = debugfs_create_dir(mmc_hostname(mmc), NULL); ++ if (IS_ERR(root) || !root) ++ goto err_root; ++ host->debugfs_root = root; ++ ++ regs = debugfs_create_file("regs", 0400, root, host, ®s_dbg_fops); ++ if (!regs) ++ goto err_regs; ++ ++ res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0); ++ regs->d_inode->i_size = res->end - res->start + 1; ++ host->debugfs_regs = regs; ++ ++ host->debugfs_req = debugfs_create_file("req", 0400, root, ++ host, &req_dbg_fops); ++ if (!host->debugfs_req) ++ goto err_req; ++ ++ host->debugfs_pending_events ++ = debugfs_create_u32("pending_events", 0400, root, ++ (u32 *)&host->pending_events); ++ if (!host->debugfs_pending_events) ++ goto err_pending_events; ++ ++ host->debugfs_completed_events ++ = debugfs_create_u32("completed_events", 0400, root, ++ (u32 *)&host->completed_events); ++ if (!host->debugfs_completed_events) ++ goto err_completed_events; ++ ++ return; ++ ++err_completed_events: ++ debugfs_remove(host->debugfs_pending_events); ++err_pending_events: ++ debugfs_remove(host->debugfs_req); ++err_req: ++ debugfs_remove(host->debugfs_regs); ++err_regs: ++ debugfs_remove(host->debugfs_root); ++err_root: ++ host->debugfs_root = NULL; ++ dev_err(&host->pdev->dev, ++ "failed to initialize debugfs for %s\n", ++ mmc_hostname(mmc)); ++} ++ ++static void atmci_cleanup_debugfs(struct atmel_mci *host) ++{ ++ if (host->debugfs_root) { ++ debugfs_remove(host->debugfs_completed_events); ++ debugfs_remove(host->debugfs_pending_events); ++ debugfs_remove(host->debugfs_req); ++ debugfs_remove(host->debugfs_regs); ++ debugfs_remove(host->debugfs_root); ++ host->debugfs_root = NULL; ++ } ++} ++#else ++static inline void atmci_init_debugfs(struct atmel_mci *host) ++{ ++ ++} ++ ++static inline void atmci_cleanup_debugfs(struct atmel_mci *host) ++{ ++ ++} ++#endif /* CONFIG_DEBUG_FS */ ++ ++static inline unsigned int ns_to_clocks(struct atmel_mci *host, ++ unsigned int ns) ++{ ++ return (ns * (host->bus_hz / 1000000) + 999) / 1000; ++} ++ ++static void atmci_set_timeout(struct atmel_mci *host, ++ struct mmc_data *data) ++{ ++ static unsigned dtomul_to_shift[] = { ++ 0, 4, 7, 8, 10, 12, 16, 20 ++ }; ++ unsigned timeout; ++ unsigned dtocyc, dtomul; ++ ++ timeout = ns_to_clocks(host, data->timeout_ns) + data->timeout_clks; ++ ++ for (dtomul = 0; dtomul < 8; dtomul++) { ++ unsigned shift = dtomul_to_shift[dtomul]; ++ dtocyc = (timeout + (1 << shift) - 1) >> shift; ++ if (dtocyc < 15) ++ break; ++ } ++ ++ if (dtomul >= 8) { ++ dtomul = 7; ++ dtocyc = 15; ++ } ++ ++ pr_debug("%s: setting timeout to %u cycles\n", ++ mmc_hostname(host->mmc), ++ dtocyc << dtomul_to_shift[dtomul]); ++ mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul) ++ | MCI_BF(DTOCYC, dtocyc))); ++} ++ ++/* ++ * Return mask with interrupt flags to be handled for this command. ++ */ ++static u32 atmci_prepare_command(struct mmc_host *mmc, ++ struct mmc_command *cmd, ++ u32 *cmd_flags) ++{ ++ u32 cmdr; ++ u32 iflags; ++ ++ cmd->error = MMC_ERR_NONE; ++ ++ cmdr = 0; ++ BUG_ON(MCI_BFEXT(CMDNB, cmdr) != 0); ++ cmdr = MCI_BFINS(CMDNB, cmd->opcode, cmdr); ++ ++ if (cmd->flags & MMC_RSP_PRESENT) { ++ if (cmd->flags & MMC_RSP_136) ++ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_136_BIT); ++ else ++ cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_48_BIT); ++ } ++ ++ /* ++ * This should really be MAXLAT_5 for CMD2 and ACMD41, but ++ * it's too difficult to determine whether this is an ACMD or ++ * not. Better make it 64. ++ */ ++ cmdr |= MCI_BIT(MAXLAT); ++ ++ if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN) ++ cmdr |= MCI_BIT(OPDCMD); ++ ++ iflags = MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS; ++ if (!(cmd->flags & MMC_RSP_CRC)) ++ iflags &= ~MCI_BIT(RCRCE); ++ ++ pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n", ++ mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags, ++ (unsigned long)cmdr); ++ ++ *cmd_flags = cmdr; ++ return iflags; ++} ++ ++static void atmci_start_command(struct atmel_mci *host, ++ struct mmc_command *cmd, ++ u32 cmd_flags) ++{ ++ WARN_ON(host->cmd); ++ host->cmd = cmd; ++ ++ mci_writel(host, ARGR, cmd->arg); ++ mci_writel(host, CMDR, cmd_flags); ++ ++ if (cmd->data) ++ dma_start_request(host->dma.req.req.dmac, ++ host->dma.req.req.channel); ++} ++ ++/* ++ * Returns a mask of flags to be set in the command register when the ++ * command to start the transfer is to be sent. ++ */ ++static u32 atmci_prepare_data(struct mmc_host *mmc, struct mmc_data *data) ++{ ++ struct atmel_mci *host = mmc_priv(mmc); ++ u32 cmd_flags; ++ ++ WARN_ON(host->data); ++ host->data = data; ++ ++ atmci_set_timeout(host, data); ++ mci_writel(host, BLKR, (MCI_BF(BCNT, data->blocks) ++ | MCI_BF(BLKLEN, data->blksz))); ++ host->dma.req.block_size = data->blksz; ++ host->dma.req.nr_blocks = data->blocks; ++ ++ cmd_flags = MCI_BF(TRCMD, MCI_TRCMD_START_TRANS); ++ if (data->flags & MMC_DATA_STREAM) ++ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_STREAM); ++ else if (data->blocks > 1) ++ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK); ++ else ++ cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_BLOCK); ++ ++ if (data->flags & MMC_DATA_READ) { ++ cmd_flags |= MCI_BIT(TRDIR); ++ host->dma.req.nr_sg ++ = dma_map_sg(&host->pdev->dev, data->sg, ++ data->sg_len, DMA_FROM_DEVICE); ++ host->dma.req.periph_id = host->dma.rx_periph_id; ++ host->dma.req.direction = DMA_DIR_PERIPH_TO_MEM; ++ host->dma.req.data_reg = host->mapbase + MCI_RDR; ++ } else { ++ host->dma.req.nr_sg ++ = dma_map_sg(&host->pdev->dev, data->sg, ++ data->sg_len, DMA_TO_DEVICE); ++ host->dma.req.periph_id = host->dma.tx_periph_id; ++ host->dma.req.direction = DMA_DIR_MEM_TO_PERIPH; ++ host->dma.req.data_reg = host->mapbase + MCI_TDR; ++ } ++ host->dma.req.sg = data->sg; ++ ++ dma_prepare_request_sg(host->dma.req.req.dmac, &host->dma.req); ++ ++ return cmd_flags; ++} ++ ++static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq) ++{ ++ struct atmel_mci *host = mmc_priv(mmc); ++ struct mmc_data *data = mrq->data; ++ u32 iflags; ++ u32 cmdflags = 0; ++ ++ iflags = mci_readl(host, IMR); ++ if (iflags) ++ printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR)); ++ ++ WARN_ON(host->mrq != NULL); ++ host->mrq = mrq; ++ host->pending_events = 0; ++ host->completed_events = 0; ++ ++ iflags = atmci_prepare_command(mmc, mrq->cmd, &cmdflags); ++ ++ if (mrq->stop) { ++ BUG_ON(!data); ++ ++ host->stop_iflags = atmci_prepare_command(mmc, mrq->stop, ++ &host->stop_cmdr); ++ host->stop_cmdr |= MCI_BF(TRCMD, MCI_TRCMD_STOP_TRANS); ++ if (!(data->flags & MMC_DATA_WRITE)) ++ host->stop_cmdr |= MCI_BIT(TRDIR); ++ if (data->flags & MMC_DATA_STREAM) ++ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_STREAM); ++ else ++ host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK); ++ } ++ if (data) { ++ cmdflags |= atmci_prepare_data(mmc, data); ++ iflags |= MCI_DATA_ERROR_FLAGS; ++ } ++ ++ atmci_start_command(host, mrq->cmd, cmdflags); ++ mci_writel(host, IER, iflags); ++} ++ ++static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) ++{ ++ struct atmel_mci *host = mmc_priv(mmc); ++ ++ if (ios->clock) { ++ u32 clkdiv; ++ ++ clkdiv = host->bus_hz / (2 * ios->clock) - 1; ++ if (clkdiv > 255) ++ clkdiv = 255; ++ mci_writel(host, MR, (clkdiv ++ | MCI_BIT(WRPROOF) ++ | MCI_BIT(RDPROOF))); ++ } ++ ++ switch (ios->bus_width) { ++ case MMC_BUS_WIDTH_1: ++ mci_writel(host, SDCR, 0); ++ break; ++ case MMC_BUS_WIDTH_4: ++ mci_writel(host, SDCR, MCI_BIT(SDCBUS)); ++ break; ++ } ++ ++ switch (ios->power_mode) { ++ case MMC_POWER_OFF: ++ mci_writel(host, CR, MCI_BIT(MCIDIS)); ++ break; ++ case MMC_POWER_UP: ++ mci_writel(host, CR, MCI_BIT(SWRST)); ++ break; ++ case MMC_POWER_ON: ++ mci_writel(host, CR, MCI_BIT(MCIEN)); ++ break; ++ } ++} ++ ++static int atmci_get_ro(struct mmc_host *mmc) ++{ ++ int read_only = 0; ++ struct atmel_mci *host = mmc_priv(mmc); ++ ++ if (host->wp_pin >= 0) { ++ read_only = gpio_get_value(host->wp_pin); ++ pr_debug("%s: card is %s\n", mmc_hostname(mmc), ++ read_only ? "read-only" : "read-write"); ++ } else { ++ pr_debug("%s: no pin for checking read-only switch." ++ " Assuming write-enable.\n", mmc_hostname(mmc)); ++ } ++ ++ return read_only; ++} ++ ++static struct mmc_host_ops atmci_ops = { ++ .request = atmci_request, ++ .set_ios = atmci_set_ios, ++ .get_ro = atmci_get_ro, ++}; ++ ++static void atmci_request_end(struct mmc_host *mmc, struct mmc_request *mrq) ++{ ++ struct atmel_mci *host = mmc_priv(mmc); ++ ++ WARN_ON(host->cmd || host->data); ++ host->mrq = NULL; ++ ++ mmc_request_done(mmc, mrq); ++} ++ ++static void send_stop_cmd(struct mmc_host *mmc, struct mmc_data *data, ++ u32 flags) ++{ ++ struct atmel_mci *host = mmc_priv(mmc); ++ ++ atmci_start_command(host, data->stop, host->stop_cmdr | flags); ++ mci_writel(host, IER, host->stop_iflags); ++} ++ ++static void atmci_data_complete(struct atmel_mci *host, struct mmc_data *data) ++{ ++ host->data = NULL; ++ dma_unmap_sg(&host->pdev->dev, data->sg, host->dma.req.nr_sg, ++ ((data->flags & MMC_DATA_WRITE) ++ ? DMA_TO_DEVICE : DMA_FROM_DEVICE)); ++ ++ /* ++ * Data might complete before command for very short transfers ++ * (like READ_SCR) ++ */ ++ if (mci_cmd_is_complete(host) ++ && (!data->stop || mci_stop_is_complete(host))) ++ atmci_request_end(host->mmc, data->mrq); ++} ++ ++static void atmci_command_error(struct mmc_host *mmc, ++ struct mmc_command *cmd, ++ u32 status) ++{ ++ pr_debug("%s: command error: status=0x%08x\n", ++ mmc_hostname(mmc), status); ++ ++ if (status & MCI_BIT(RTOE)) ++ cmd->error = MMC_ERR_TIMEOUT; ++ else if (status & MCI_BIT(RCRCE)) ++ cmd->error = MMC_ERR_BADCRC; ++ else ++ cmd->error = MMC_ERR_FAILED; ++} ++ ++static void atmci_tasklet_func(unsigned long priv) ++{ ++ struct mmc_host *mmc = (struct mmc_host *)priv; ++ struct atmel_mci *host = mmc_priv(mmc); ++ struct mmc_request *mrq = host->mrq; ++ struct mmc_data *data = host->data; ++ ++ pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n", ++ host->pending_events, host->completed_events, ++ mci_readl(host, IMR)); ++ ++ if (mci_clear_cmd_error_is_pending(host)) { ++ struct mmc_command *cmd; ++ ++ mci_set_cmd_error_complete(host); ++ mci_clear_cmd_pending(host); ++ cmd = host->mrq->cmd; ++ ++ if (cmd->data) { ++ dma_stop_request(host->dma.req.req.dmac, ++ host->dma.req.req.channel); ++ host->data = NULL; ++ } ++ ++ atmci_command_error(mmc, cmd, host->error_status); ++ atmci_request_end(mmc, cmd->mrq); ++ } ++ if (mci_clear_stop_error_is_pending(host)) { ++ mci_set_stop_error_complete(host); ++ mci_clear_stop_pending(host); ++ atmci_command_error(mmc, host->mrq->stop, ++ host->error_status); ++ if (!host->data) ++ atmci_request_end(mmc, host->mrq); ++ } ++ if (mci_clear_cmd_is_pending(host)) { ++ mci_set_cmd_complete(host); ++ if (!mrq->data || mci_data_is_complete(host) ++ || mci_data_error_is_complete(host)) ++ atmci_request_end(mmc, mrq); ++ } ++ if (mci_clear_stop_is_pending(host)) { ++ mci_set_stop_complete(host); ++ if (mci_data_is_complete(host) ++ || mci_data_error_is_complete(host)) ++ atmci_request_end(mmc, mrq); ++ } ++ if (mci_clear_dma_error_is_pending(host)) { ++ mci_set_dma_error_complete(host); ++ mci_clear_data_pending(host); ++ ++ /* DMA controller got bus error => invalid address */ ++ data->error = MMC_ERR_INVALID; ++ ++ printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n", ++ mmc_hostname(mmc), host->data->bytes_xfered); ++ ++ if (data->stop ++ && !mci_set_stop_sent_is_completed(host)) ++ /* TODO: Check if card is still present */ ++ send_stop_cmd(host->mmc, data, 0); ++ ++ atmci_data_complete(host, data); ++ } ++ if (mci_clear_data_error_is_pending(host)) { ++ u32 status = host->error_status; ++ ++ mci_set_data_error_complete(host); ++ mci_clear_data_pending(host); ++ ++ dma_stop_request(host->dma.req.req.dmac, ++ host->dma.req.req.channel); ++ ++ printk(KERN_DEBUG "%s: data error: status=0x%08x\n", ++ mmc_hostname(host->mmc), status); ++ ++ if (status & MCI_BIT(DCRCE)) { ++ printk(KERN_DEBUG "%s: Data CRC error\n", ++ mmc_hostname(host->mmc)); ++ data->error = MMC_ERR_BADCRC; ++ } else if (status & MCI_BIT(DTOE)) { ++ printk(KERN_DEBUG "%s: Data Timeout error\n", ++ mmc_hostname(host->mmc)); ++ data->error = MMC_ERR_TIMEOUT; ++ } else { ++ printk(KERN_DEBUG "%s: Data FIFO error\n", ++ mmc_hostname(host->mmc)); ++ data->error = MMC_ERR_FIFO; ++ } ++ printk(KERN_DEBUG "%s: Bytes xfered: %u\n", ++ mmc_hostname(host->mmc), data->bytes_xfered); ++ ++ if (data->stop ++ && !mci_set_stop_sent_is_completed(host)) ++ /* TODO: Check if card is still present */ ++ send_stop_cmd(host->mmc, data, 0); ++ ++ atmci_data_complete(host, data); ++ } ++ if (mci_clear_data_is_pending(host)) { ++ mci_set_data_complete(host); ++ data->bytes_xfered = data->blocks * data->blksz; ++ atmci_data_complete(host, data); ++ } ++ if (mci_clear_card_detect_is_pending(host)) { ++ /* Reset controller if card is gone */ ++ if (!host->present) { ++ mci_writel(host, CR, MCI_BIT(SWRST)); ++ mci_writel(host, IDR, ~0UL); ++ mci_writel(host, CR, MCI_BIT(MCIEN)); ++ } ++ ++ /* Clean up queue if present */ ++ if (mrq) { ++ if (!mci_cmd_is_complete(host) ++ && !mci_cmd_error_is_complete(host)) { ++ mrq->cmd->error = MMC_ERR_TIMEOUT; ++ } ++ if (mrq->data && !mci_data_is_complete(host) ++ && !mci_data_error_is_complete(host)) { ++ dma_stop_request(host->dma.req.req.dmac, ++ host->dma.req.req.channel); ++ host->data->error = MMC_ERR_TIMEOUT; ++ atmci_data_complete(host, data); ++ } ++ if (mrq->stop && !mci_stop_is_complete(host) ++ && !mci_stop_error_is_complete(host)) { ++ mrq->stop->error = MMC_ERR_TIMEOUT; ++ } ++ ++ host->cmd = NULL; ++ atmci_request_end(mmc, mrq); ++ } ++ mmc_detect_change(host->mmc, msecs_to_jiffies(100)); ++ } ++} ++ ++static void atmci_cmd_interrupt(struct mmc_host *mmc, u32 status) ++{ ++ struct atmel_mci *host = mmc_priv(mmc); ++ struct mmc_command *cmd = host->cmd; ++ ++ /* ++ * Read the response now so that we're free to send a new ++ * command immediately. ++ */ ++ cmd->resp[0] = mci_readl(host, RSPR); ++ cmd->resp[1] = mci_readl(host, RSPR); ++ cmd->resp[2] = mci_readl(host, RSPR); ++ cmd->resp[3] = mci_readl(host, RSPR); ++ ++ mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS); ++ host->cmd = NULL; ++ ++ if (mci_stop_sent_is_complete(host)) ++ mci_set_stop_pending(host); ++ else ++ mci_set_cmd_pending(host); ++ ++ tasklet_schedule(&host->tasklet); ++} ++ ++static void atmci_xfer_complete(struct dma_request *_req) ++{ ++ struct dma_request_sg *req = to_dma_request_sg(_req); ++ struct atmel_mci_dma *dma; ++ struct atmel_mci *host; ++ struct mmc_data *data; ++ ++ dma = container_of(req, struct atmel_mci_dma, req); ++ host = container_of(dma, struct atmel_mci, dma); ++ data = host->data; ++ ++ if (data->stop && !mci_set_stop_sent_is_completed(host)) ++ send_stop_cmd(host->mmc, data, 0); ++ ++ if (data->flags & MMC_DATA_READ) { ++ mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS); ++ mci_set_data_pending(host); ++ tasklet_schedule(&host->tasklet); ++ } else { ++ /* ++ * For the WRITE case, wait for NOTBUSY. This function ++ * is called when everything has been written to the ++ * controller, not when the card is done programming. ++ */ ++ mci_writel(host, IER, MCI_BIT(NOTBUSY)); ++ } ++} ++ ++static void atmci_dma_error(struct dma_request *_req) ++{ ++ struct dma_request_sg *req = to_dma_request_sg(_req); ++ struct atmel_mci_dma *dma; ++ struct atmel_mci *host; ++ ++ dma = container_of(req, struct atmel_mci_dma, req); ++ host = container_of(dma, struct atmel_mci, dma); ++ ++ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) ++ | MCI_DATA_ERROR_FLAGS)); ++ ++ mci_set_dma_error_pending(host); ++ tasklet_schedule(&host->tasklet); ++} ++ ++static irqreturn_t atmci_interrupt(int irq, void *dev_id) ++{ ++ struct mmc_host *mmc = dev_id; ++ struct atmel_mci *host = mmc_priv(mmc); ++ u32 status, mask, pending; ++ ++ spin_lock(&mmc->lock); ++ ++ status = mci_readl(host, SR); ++ mask = mci_readl(host, IMR); ++ pending = status & mask; ++ ++ do { ++ if (pending & MCI_CMD_ERROR_FLAGS) { ++ mci_writel(host, IDR, (MCI_BIT(CMDRDY) ++ | MCI_BIT(NOTBUSY) ++ | MCI_CMD_ERROR_FLAGS ++ | MCI_DATA_ERROR_FLAGS)); ++ host->error_status = status; ++ host->cmd = NULL; ++ if (mci_stop_sent_is_complete(host)) ++ mci_set_stop_error_pending(host); ++ else ++ mci_set_cmd_error_pending(host); ++ tasklet_schedule(&host->tasklet); ++ break; ++ } ++ if (pending & MCI_DATA_ERROR_FLAGS) { ++ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) ++ | MCI_DATA_ERROR_FLAGS)); ++ host->error_status = status; ++ mci_set_data_error_pending(host); ++ tasklet_schedule(&host->tasklet); ++ break; ++ } ++ if (pending & MCI_BIT(CMDRDY)) ++ atmci_cmd_interrupt(mmc, status); ++ if (pending & MCI_BIT(NOTBUSY)) { ++ mci_writel(host, IDR, (MCI_BIT(NOTBUSY) ++ | MCI_DATA_ERROR_FLAGS)); ++ mci_set_data_pending(host); ++ tasklet_schedule(&host->tasklet); ++ } ++ ++ status = mci_readl(host, SR); ++ mask = mci_readl(host, IMR); ++ pending = status & mask; ++ } while (pending); ++ ++ spin_unlock(&mmc->lock); ++ ++ return IRQ_HANDLED; ++} ++ ++static irqreturn_t atmci_detect_change(int irq, void *dev_id) ++{ ++ struct mmc_host *mmc = dev_id; ++ struct atmel_mci *host = mmc_priv(mmc); ++ ++ int present = !gpio_get_value(irq_to_gpio(irq)); ++ ++ if (present != host->present) { ++ pr_debug("%s: card %s\n", mmc_hostname(host->mmc), ++ present ? "inserted" : "removed"); ++ host->present = present; ++ mci_set_card_detect_pending(host); ++ tasklet_schedule(&host->tasklet); ++ } ++ return IRQ_HANDLED; ++} ++ ++static int __devinit atmci_probe(struct platform_device *pdev) ++{ ++ struct mci_platform_data *board; ++ struct atmel_mci *host; ++ struct mmc_host *mmc; ++ struct resource *regs; ++ int irq; ++ int ret; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return irq; ++ ++ board = pdev->dev.platform_data; ++ ++ mmc = mmc_alloc_host(sizeof(struct atmel_mci), &pdev->dev); ++ if (!mmc) ++ return -ENOMEM; ++ ++ host = mmc_priv(mmc); ++ host->pdev = pdev; ++ host->mmc = mmc; ++ if (board) { ++ host->detect_pin = board->detect_pin; ++ host->wp_pin = board->wp_pin; ++ } else { ++ host->detect_pin = -1; ++ host->detect_pin = -1; ++ } ++ ++ host->mck = clk_get(&pdev->dev, "mci_clk"); ++ if (IS_ERR(host->mck)) { ++ ret = PTR_ERR(host->mck); ++ goto out_free_host; ++ } ++ clk_enable(host->mck); ++ ++ ret = -ENOMEM; ++ host->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!host->regs) ++ goto out_disable_clk; ++ ++ host->bus_hz = clk_get_rate(host->mck); ++ host->mapbase = regs->start; ++ ++ mmc->ops = &atmci_ops; ++ mmc->f_min = (host->bus_hz + 511) / 512; ++ mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax); ++ mmc->ocr_avail = 0x00100000; ++ mmc->caps |= MMC_CAP_4_BIT_DATA; ++ ++ tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc); ++ ++ ret = request_irq(irq, atmci_interrupt, 0, "mmci", mmc); ++ if (ret) ++ goto out_unmap; ++ ++ /* Assume card is present if we don't have a detect pin */ ++ host->present = 1; ++ if (host->detect_pin >= 0) { ++ if (gpio_request(host->detect_pin, "mmc_detect")) { ++ printk(KERN_WARNING "%s: no detect pin available\n", ++ mmc_hostname(host->mmc)); ++ host->detect_pin = -1; ++ } else { ++ host->present = !gpio_get_value(host->detect_pin); ++ } ++ } ++ if (host->wp_pin >= 0) { ++ if (gpio_request(host->wp_pin, "mmc_wp")) { ++ printk(KERN_WARNING "%s: no WP pin available\n", ++ mmc_hostname(host->mmc)); ++ host->wp_pin = -1; ++ } ++ } ++ ++ /* TODO: Get this information from platform data */ ++ ret = -ENOMEM; ++ host->dma.req.req.dmac = find_dma_controller(0); ++ if (!host->dma.req.req.dmac) { ++ printk(KERN_ERR ++ "mmci: No DMA controller available, aborting\n"); ++ goto out_free_irq; ++ } ++ ret = dma_alloc_channel(host->dma.req.req.dmac); ++ if (ret < 0) { ++ printk(KERN_ERR ++ "mmci: Unable to allocate DMA channel, aborting\n"); ++ goto out_free_irq; ++ } ++ host->dma.req.req.channel = ret; ++ host->dma.req.width = DMA_WIDTH_32BIT; ++ host->dma.req.req.xfer_complete = atmci_xfer_complete; ++ host->dma.req.req.block_complete = NULL; // atmci_block_complete; ++ host->dma.req.req.error = atmci_dma_error; ++ host->dma.rx_periph_id = 0; ++ host->dma.tx_periph_id = 1; ++ ++ mci_writel(host, CR, MCI_BIT(SWRST)); ++ mci_writel(host, IDR, ~0UL); ++ mci_writel(host, CR, MCI_BIT(MCIEN)); ++ ++ platform_set_drvdata(pdev, host); ++ ++ mmc_add_host(mmc); ++ ++ if (host->detect_pin >= 0) { ++ ret = request_irq(gpio_to_irq(host->detect_pin), ++ atmci_detect_change, ++ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, ++ DRIVER_NAME, mmc); ++ if (ret) { ++ printk(KERN_ERR ++ "%s: could not request IRQ %d for detect pin\n", ++ mmc_hostname(mmc), ++ gpio_to_irq(host->detect_pin)); ++ gpio_free(host->detect_pin); ++ host->detect_pin = -1; ++ } ++ } ++ ++ printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n", ++ mmc_hostname(mmc), host->mapbase, irq); ++ ++ atmci_init_debugfs(host); ++ ++ return 0; ++ ++out_free_irq: ++ if (host->detect_pin >= 0) ++ gpio_free(host->detect_pin); ++ if (host->wp_pin >= 0) ++ gpio_free(host->wp_pin); ++ free_irq(irq, mmc); ++out_unmap: ++ iounmap(host->regs); ++out_disable_clk: ++ clk_disable(host->mck); ++ clk_put(host->mck); ++out_free_host: ++ mmc_free_host(mmc); ++ return ret; ++} ++ ++static int __devexit atmci_remove(struct platform_device *pdev) ++{ ++ struct atmel_mci *host = platform_get_drvdata(pdev); ++ ++ platform_set_drvdata(pdev, NULL); ++ ++ if (host) { ++ atmci_cleanup_debugfs(host); ++ ++ if (host->detect_pin >= 0) { ++ free_irq(gpio_to_irq(host->detect_pin), host->mmc); ++ cancel_delayed_work(&host->mmc->detect); ++ gpio_free(host->detect_pin); ++ } ++ ++ mmc_remove_host(host->mmc); ++ ++ mci_writel(host, IDR, ~0UL); ++ mci_writel(host, CR, MCI_BIT(MCIDIS)); ++ mci_readl(host, SR); ++ ++ dma_release_channel(host->dma.req.req.dmac, ++ host->dma.req.req.channel); ++ ++ if (host->wp_pin >= 0) ++ gpio_free(host->wp_pin); ++ ++ free_irq(platform_get_irq(pdev, 0), host->mmc); ++ iounmap(host->regs); ++ ++ clk_disable(host->mck); ++ clk_put(host->mck); ++ ++ mmc_free_host(host->mmc); ++ } ++ return 0; ++} ++ ++static struct platform_driver atmci_driver = { ++ .probe = atmci_probe, ++ .remove = __devexit_p(atmci_remove), ++ .driver = { ++ .name = DRIVER_NAME, ++ }, ++}; ++ ++static int __init atmci_init(void) ++{ ++ return platform_driver_register(&atmci_driver); ++} ++ ++static void __exit atmci_exit(void) ++{ ++ platform_driver_unregister(&atmci_driver); ++} ++ ++module_init(atmci_init); ++module_exit(atmci_exit); ++ ++MODULE_DESCRIPTION("Atmel Multimedia Card Interface driver"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/mmc/atmel-mci.h linux-2.6.20.4-atmel/drivers/mmc/atmel-mci.h +--- linux-2.6.20.4-0rig/drivers/mmc/atmel-mci.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mmc/atmel-mci.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,192 @@ ++/* ++ * Atmel MultiMedia Card Interface driver ++ * ++ * Copyright (C) 2004-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __DRIVERS_MMC_ATMEL_MCI_H__ ++#define __DRIVERS_MMC_ATMEL_MCI_H__ ++ ++/* MCI register offsets */ ++#define MCI_CR 0x0000 ++#define MCI_MR 0x0004 ++#define MCI_DTOR 0x0008 ++#define MCI_SDCR 0x000c ++#define MCI_ARGR 0x0010 ++#define MCI_CMDR 0x0014 ++#define MCI_BLKR 0x0018 ++#define MCI_RSPR 0x0020 ++#define MCI_RSPR1 0x0024 ++#define MCI_RSPR2 0x0028 ++#define MCI_RSPR3 0x002c ++#define MCI_RDR 0x0030 ++#define MCI_TDR 0x0034 ++#define MCI_SR 0x0040 ++#define MCI_IER 0x0044 ++#define MCI_IDR 0x0048 ++#define MCI_IMR 0x004c ++ ++/* Bitfields in CR */ ++#define MCI_MCIEN_OFFSET 0 ++#define MCI_MCIEN_SIZE 1 ++#define MCI_MCIDIS_OFFSET 1 ++#define MCI_MCIDIS_SIZE 1 ++#define MCI_PWSEN_OFFSET 2 ++#define MCI_PWSEN_SIZE 1 ++#define MCI_PWSDIS_OFFSET 3 ++#define MCI_PWSDIS_SIZE 1 ++#define MCI_SWRST_OFFSET 7 ++#define MCI_SWRST_SIZE 1 ++ ++/* Bitfields in MR */ ++#define MCI_CLKDIV_OFFSET 0 ++#define MCI_CLKDIV_SIZE 8 ++#define MCI_PWSDIV_OFFSET 8 ++#define MCI_PWSDIV_SIZE 3 ++#define MCI_RDPROOF_OFFSET 11 ++#define MCI_RDPROOF_SIZE 1 ++#define MCI_WRPROOF_OFFSET 12 ++#define MCI_WRPROOF_SIZE 1 ++#define MCI_DMAPADV_OFFSET 14 ++#define MCI_DMAPADV_SIZE 1 ++#define MCI_BLKLEN_OFFSET 16 ++#define MCI_BLKLEN_SIZE 16 ++ ++/* Bitfields in DTOR */ ++#define MCI_DTOCYC_OFFSET 0 ++#define MCI_DTOCYC_SIZE 4 ++#define MCI_DTOMUL_OFFSET 4 ++#define MCI_DTOMUL_SIZE 3 ++ ++/* Bitfields in SDCR */ ++#define MCI_SDCSEL_OFFSET 0 ++#define MCI_SDCSEL_SIZE 4 ++#define MCI_SDCBUS_OFFSET 7 ++#define MCI_SDCBUS_SIZE 1 ++ ++/* Bitfields in ARGR */ ++#define MCI_ARG_OFFSET 0 ++#define MCI_ARG_SIZE 32 ++ ++/* Bitfields in CMDR */ ++#define MCI_CMDNB_OFFSET 0 ++#define MCI_CMDNB_SIZE 6 ++#define MCI_RSPTYP_OFFSET 6 ++#define MCI_RSPTYP_SIZE 2 ++#define MCI_SPCMD_OFFSET 8 ++#define MCI_SPCMD_SIZE 3 ++#define MCI_OPDCMD_OFFSET 11 ++#define MCI_OPDCMD_SIZE 1 ++#define MCI_MAXLAT_OFFSET 12 ++#define MCI_MAXLAT_SIZE 1 ++#define MCI_TRCMD_OFFSET 16 ++#define MCI_TRCMD_SIZE 2 ++#define MCI_TRDIR_OFFSET 18 ++#define MCI_TRDIR_SIZE 1 ++#define MCI_TRTYP_OFFSET 19 ++#define MCI_TRTYP_SIZE 2 ++ ++/* Bitfields in BLKR */ ++#define MCI_BCNT_OFFSET 0 ++#define MCI_BCNT_SIZE 16 ++ ++/* Bitfields in RSPRn */ ++#define MCI_RSP_OFFSET 0 ++#define MCI_RSP_SIZE 32 ++ ++/* Bitfields in SR/IER/IDR/IMR */ ++#define MCI_CMDRDY_OFFSET 0 ++#define MCI_CMDRDY_SIZE 1 ++#define MCI_RXRDY_OFFSET 1 ++#define MCI_RXRDY_SIZE 1 ++#define MCI_TXRDY_OFFSET 2 ++#define MCI_TXRDY_SIZE 1 ++#define MCI_BLKE_OFFSET 3 ++#define MCI_BLKE_SIZE 1 ++#define MCI_DTIP_OFFSET 4 ++#define MCI_DTIP_SIZE 1 ++#define MCI_NOTBUSY_OFFSET 5 ++#define MCI_NOTBUSY_SIZE 1 ++#define MCI_ENDRX_OFFSET 6 ++#define MCI_ENDRX_SIZE 1 ++#define MCI_ENDTX_OFFSET 7 ++#define MCI_ENDTX_SIZE 1 ++#define MCI_RXBUFF_OFFSET 14 ++#define MCI_RXBUFF_SIZE 1 ++#define MCI_TXBUFE_OFFSET 15 ++#define MCI_TXBUFE_SIZE 1 ++#define MCI_RINDE_OFFSET 16 ++#define MCI_RINDE_SIZE 1 ++#define MCI_RDIRE_OFFSET 17 ++#define MCI_RDIRE_SIZE 1 ++#define MCI_RCRCE_OFFSET 18 ++#define MCI_RCRCE_SIZE 1 ++#define MCI_RENDE_OFFSET 19 ++#define MCI_RENDE_SIZE 1 ++#define MCI_RTOE_OFFSET 20 ++#define MCI_RTOE_SIZE 1 ++#define MCI_DCRCE_OFFSET 21 ++#define MCI_DCRCE_SIZE 1 ++#define MCI_DTOE_OFFSET 22 ++#define MCI_DTOE_SIZE 1 ++#define MCI_OVRE_OFFSET 30 ++#define MCI_OVRE_SIZE 1 ++#define MCI_UNRE_OFFSET 31 ++#define MCI_UNRE_SIZE 1 ++ ++/* Constants for DTOMUL */ ++#define MCI_DTOMUL_1_CYCLE 0 ++#define MCI_DTOMUL_16_CYCLES 1 ++#define MCI_DTOMUL_128_CYCLES 2 ++#define MCI_DTOMUL_256_CYCLES 3 ++#define MCI_DTOMUL_1024_CYCLES 4 ++#define MCI_DTOMUL_4096_CYCLES 5 ++#define MCI_DTOMUL_65536_CYCLES 6 ++#define MCI_DTOMUL_1048576_CYCLES 7 ++ ++/* Constants for RSPTYP */ ++#define MCI_RSPTYP_NO_RESP 0 ++#define MCI_RSPTYP_48_BIT 1 ++#define MCI_RSPTYP_136_BIT 2 ++ ++/* Constants for SPCMD */ ++#define MCI_SPCMD_NO_SPEC_CMD 0 ++#define MCI_SPCMD_INIT_CMD 1 ++#define MCI_SPCMD_SYNC_CMD 2 ++#define MCI_SPCMD_INT_CMD 4 ++#define MCI_SPCMD_INT_RESP 5 ++ ++/* Constants for TRCMD */ ++#define MCI_TRCMD_NO_TRANS 0 ++#define MCI_TRCMD_START_TRANS 1 ++#define MCI_TRCMD_STOP_TRANS 2 ++ ++/* Constants for TRTYP */ ++#define MCI_TRTYP_BLOCK 0 ++#define MCI_TRTYP_MULTI_BLOCK 1 ++#define MCI_TRTYP_STREAM 2 ++ ++/* Bit manipulation macros */ ++#define MCI_BIT(name) \ ++ (1 << MCI_##name##_OFFSET) ++#define MCI_BF(name,value) \ ++ (((value) & ((1 << MCI_##name##_SIZE) - 1)) \ ++ << MCI_##name##_OFFSET) ++#define MCI_BFEXT(name,value) \ ++ (((value) >> MCI_##name##_OFFSET) \ ++ & ((1 << MCI_##name##_SIZE) - 1)) ++#define MCI_BFINS(name,value,old) \ ++ (((old) & ~(((1 << MCI_##name##_SIZE) - 1) \ ++ << MCI_##name##_OFFSET)) \ ++ | MCI_BF(name,value)) ++ ++/* Register access macros */ ++#define mci_readl(port,reg) \ ++ __raw_readl((port)->regs + MCI_##reg) ++#define mci_writel(port,reg,value) \ ++ __raw_writel((value), (port)->regs + MCI_##reg) ++ ++#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ +diff -urN linux-2.6.20.4-0rig/drivers/mmc/Kconfig linux-2.6.20.4-atmel/drivers/mmc/Kconfig +--- linux-2.6.20.4-0rig/drivers/mmc/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mmc/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -71,6 +71,16 @@ + + If unsure, say N. + ++config MMC_ATMELMCI ++ tristate "Atmel Multimedia Card Interface support" ++ depends on AVR32 && MMC ++ help ++ This selects the Atmel Multimedia Card Interface. If you have ++ a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card ++ slot, say Y or M here. ++ ++ If unsure, say N. ++ + config MMC_WBSD + tristate "Winbond W83L51xD SD/MMC Card Interface support" + depends on MMC && ISA_DMA_API +diff -urN linux-2.6.20.4-0rig/drivers/mmc/Makefile linux-2.6.20.4-atmel/drivers/mmc/Makefile +--- linux-2.6.20.4-0rig/drivers/mmc/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mmc/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -23,6 +23,7 @@ + obj-$(CONFIG_MMC_AU1X) += au1xmmc.o + obj-$(CONFIG_MMC_OMAP) += omap.o + obj-$(CONFIG_MMC_AT91) += at91_mci.o ++obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o + obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o + + mmc_core-y := mmc.o mmc_sysfs.o +diff -urN linux-2.6.20.4-0rig/drivers/mtd/chips/cfi_cmdset_0001.c linux-2.6.20.4-atmel/drivers/mtd/chips/cfi_cmdset_0001.c +--- linux-2.6.20.4-0rig/drivers/mtd/chips/cfi_cmdset_0001.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mtd/chips/cfi_cmdset_0001.c 2007-03-24 16:42:29.000000000 +0100 +@@ -47,6 +47,7 @@ + #define I82802AC 0x00ac + #define MANUFACTURER_ST 0x0020 + #define M50LPW080 0x002F ++#define AT49BV640D 0x02de + + static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); + static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); +@@ -153,6 +154,47 @@ + } + #endif + ++/* Atmel chips don't use the same PRI format as Intel chips */ ++static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) ++{ ++ struct map_info *map = mtd->priv; ++ struct cfi_private *cfi = map->fldrv_priv; ++ struct cfi_pri_intelext *extp = cfi->cmdset_priv; ++ struct cfi_pri_atmel atmel_pri; ++ uint32_t features = 0; ++ ++ /* Reverse byteswapping */ ++ extp->FeatureSupport = cpu_to_le32(extp->FeatureSupport); ++ extp->BlkStatusRegMask = cpu_to_le16(extp->BlkStatusRegMask); ++ extp->ProtRegAddr = cpu_to_le16(extp->ProtRegAddr); ++ ++ memcpy(&atmel_pri, extp, sizeof(atmel_pri)); ++ memset((char *)extp + 5, 0, sizeof(*extp) - 5); ++ ++ printk(KERN_ERR "atmel Features: %02x\n", atmel_pri.Features); ++ ++ if (atmel_pri.Features & 0x01) /* chip erase supported */ ++ features |= (1<<0); ++ if (atmel_pri.Features & 0x02) /* erase suspend supported */ ++ features |= (1<<1); ++ if (atmel_pri.Features & 0x04) /* program suspend supported */ ++ features |= (1<<2); ++ if (atmel_pri.Features & 0x08) /* simultaneous operations supported */ ++ features |= (1<<9); ++ if (atmel_pri.Features & 0x20) /* page mode read supported */ ++ features |= (1<<7); ++ if (atmel_pri.Features & 0x40) /* queued erase supported */ ++ features |= (1<<4); ++ if (atmel_pri.Features & 0x80) /* Protection bits supported */ ++ features |= (1<<6); ++ ++ extp->FeatureSupport = features; ++ ++ /* burst write mode not supported */ ++ cfi->cfiq->BufWriteTimeoutTyp = 0; ++ cfi->cfiq->BufWriteTimeoutMax = 0; ++} ++ + #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE + /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ + static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) +@@ -221,6 +263,7 @@ + } + + static struct cfi_fixup cfi_fixup_table[] = { ++ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, + #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE + { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, + #endif +diff -urN linux-2.6.20.4-0rig/drivers/mtd/chips/cfi_cmdset_0002.c linux-2.6.20.4-atmel/drivers/mtd/chips/cfi_cmdset_0002.c +--- linux-2.6.20.4-0rig/drivers/mtd/chips/cfi_cmdset_0002.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mtd/chips/cfi_cmdset_0002.c 2007-03-24 16:42:29.000000000 +0100 +@@ -185,6 +185,10 @@ + extp->TopBottom = 2; + else + extp->TopBottom = 3; ++ ++ /* burst write mode not supported */ ++ cfi->cfiq->BufWriteTimeoutTyp = 0; ++ cfi->cfiq->BufWriteTimeoutMax = 0; + } + + static void fixup_use_secsi(struct mtd_info *mtd, void *param) +@@ -217,6 +221,7 @@ + } + + static struct cfi_fixup cfi_fixup_table[] = { ++ { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, + #ifdef AMD_BOOTLOC_BUG + { CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL }, + #endif +@@ -229,7 +234,6 @@ + #if !FORCE_WORD_WRITE + { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, + #endif +- { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, + { 0, 0, NULL, NULL } + }; + static struct cfi_fixup jedec_fixup_table[] = { +diff -urN linux-2.6.20.4-0rig/drivers/mtd/devices/at91_dataflash.c linux-2.6.20.4-atmel/drivers/mtd/devices/at91_dataflash.c +--- linux-2.6.20.4-0rig/drivers/mtd/devices/at91_dataflash.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mtd/devices/at91_dataflash.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,640 @@ ++/* ++ * Atmel DataFlash driver for Atmel AT91RM9200 (Thunder) ++ * ++ * Copyright (C) SAN People (Pty) Ltd ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++*/ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/slab.h> ++#include <linux/pci.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/partitions.h> ++ ++#include <asm/arch/spi.h> ++ ++#undef DEBUG_DATAFLASH ++ ++#define DATAFLASH_MAX_DEVICES 4 /* max number of dataflash devices */ ++#undef DATAFLASH_ALWAYS_ADD_DEVICE /* always add whole device when using partitions? */ ++ ++#define OP_READ_CONTINUOUS 0xE8 ++#define OP_READ_PAGE 0xD2 ++#define OP_READ_BUFFER1 0xD4 ++#define OP_READ_BUFFER2 0xD6 ++#define OP_READ_STATUS 0xD7 ++ ++#define OP_ERASE_PAGE 0x81 ++#define OP_ERASE_BLOCK 0x50 ++ ++#define OP_TRANSFER_BUF1 0x53 ++#define OP_TRANSFER_BUF2 0x55 ++#define OP_COMPARE_BUF1 0x60 ++#define OP_COMPARE_BUF2 0x61 ++ ++#define OP_PROGRAM_VIA_BUF1 0x82 ++#define OP_PROGRAM_VIA_BUF2 0x85 ++ ++struct dataflash_local ++{ ++ int spi; /* SPI chip-select number */ ++ ++ unsigned int page_size; /* number of bytes per page */ ++ unsigned short page_offset; /* page offset in flash address */ ++}; ++ ++ ++/* Detected DataFlash devices */ ++static struct mtd_info* mtd_devices[DATAFLASH_MAX_DEVICES]; ++static int nr_devices = 0; ++ ++/* ......................................................................... */ ++ ++#ifdef CONFIG_MTD_PARTITIONS ++ ++static struct mtd_partition static_partitions_2M[] = ++{ ++ { ++ .name = "bootloader", ++ .offset = 0, ++ .size = 1 * 32 * 8 * 528, /* 1st sector = 32 blocks * 8 pages * 528 bytes */ ++ .mask_flags = MTD_WRITEABLE, /* read-only */ ++ }, ++ { ++ .name = "kernel", ++ .offset = MTDPART_OFS_NXTBLK, ++ .size = 6 * 32 * 8 * 528, /* 6 sectors */ ++ }, ++ { ++ .name = "filesystem", ++ .offset = MTDPART_OFS_NXTBLK, ++ .size = MTDPART_SIZ_FULL, /* rest = 9 sectors */ ++ } ++}; ++ ++static struct mtd_partition static_partitions_4M[] = ++{ ++ { ++ .name = "bootloader", ++ .offset = 0, ++ .size = 1 * 64 * 8 * 528, /* 1st sector = 64 blocks * 8 pages * 528 bytes */ ++ .mask_flags = MTD_WRITEABLE, /* read-only */ ++ }, ++ { ++ .name = "kernel", ++ .offset = MTDPART_OFS_NXTBLK, ++ .size = 4 * 64 * 8 * 528, /* 4 sectors */ ++ }, ++ { ++ .name = "filesystem", ++ .offset = MTDPART_OFS_NXTBLK, ++ .size = MTDPART_SIZ_FULL, /* rest = 11 sectors */ ++ } ++}; ++ ++#if defined(CONFIG_MACH_KAFA) ++static struct mtd_partition static_partitions_8M[] = ++{ ++ { ++ name: "romboot", ++ offset: 0, ++ size: 16 * 1056, /* 160 Kb */ ++ mask_flags: MTD_WRITEABLE, /* read-only */ ++ }, ++ { ++ name: "uboot", ++ offset: MTDPART_OFS_APPEND, /* Sperry, NXTBLK is broken */ ++ size: 128 * 1056, /* 1 MB */ ++ }, ++ { ++ name: "kernel", ++ offset: MTDPART_OFS_APPEND, /* Sperry, NXTBLK is broken */ ++ size: 1024 * 1056, /* 1 MB */ ++ }, ++ { ++ name: "filesystem", ++ offset: MTDPART_OFS_APPEND, /* Sperry, NXTBLK is broken */ ++ size: MTDPART_SIZ_FULL, ++ } ++}; ++ ++#else ++ ++static struct mtd_partition static_partitions_8M[] = ++{ ++ { ++ .name = "bootloader", ++ .offset = 0, ++ .size = 1 * 32 * 8 * 1056, /* 1st sector = 32 blocks * 8 pages * 1056 bytes */ ++ .mask_flags = MTD_WRITEABLE, /* read-only */ ++ }, ++ { ++ .name = "kernel", ++ .offset = MTDPART_OFS_NXTBLK, ++ .size = 5 * 32 * 8 * 1056, /* 5 sectors */ ++ }, ++ { ++ .name = "filesystem", ++ .offset = MTDPART_OFS_NXTBLK, ++ .size = MTDPART_SIZ_FULL, /* rest = 26 sectors */ ++ } ++}; ++#endif ++ ++static const char *part_probes[] = { "cmdlinepart", NULL, }; ++ ++#endif ++ ++/* ......................................................................... */ ++ ++/* Allocate a single SPI transfer descriptor. We're assuming that if multiple ++ SPI transfers occur at the same time, spi_access_bus() will serialize them. ++ If this is not valid, then either (i) each dataflash 'priv' structure ++ needs it's own transfer descriptor, (ii) we lock this one, or (iii) use ++ another mechanism. */ ++static struct spi_transfer_list* spi_transfer_desc; ++ ++/* ++ * Perform a SPI transfer to access the DataFlash device. ++ */ ++static int do_spi_transfer(int nr, char* tx, int tx_len, char* rx, int rx_len, ++ char* txnext, int txnext_len, char* rxnext, int rxnext_len) ++{ ++ struct spi_transfer_list* list = spi_transfer_desc; ++ ++ list->tx[0] = tx; list->txlen[0] = tx_len; ++ list->rx[0] = rx; list->rxlen[0] = rx_len; ++ ++ list->tx[1] = txnext; list->txlen[1] = txnext_len; ++ list->rx[1] = rxnext; list->rxlen[1] = rxnext_len; ++ ++ list->nr_transfers = nr; ++ ++ return spi_transfer(list); ++} ++ ++/* ......................................................................... */ ++ ++/* ++ * Poll the DataFlash device until it is READY. ++ */ ++static void at91_dataflash_waitready(void) ++{ ++ char* command = kmalloc(2, GFP_KERNEL); ++ ++ if (!command) ++ return; ++ ++ do { ++ command[0] = OP_READ_STATUS; ++ command[1] = 0; ++ ++ do_spi_transfer(1, command, 2, command, 2, NULL, 0, NULL, 0); ++ } while ((command[1] & 0x80) == 0); ++ ++ kfree(command); ++} ++ ++/* ++ * Return the status of the DataFlash device. ++ */ ++static unsigned short at91_dataflash_status(void) ++{ ++ unsigned short status; ++ char* command = kmalloc(2, GFP_KERNEL); ++ ++ if (!command) ++ return 0; ++ ++ command[0] = OP_READ_STATUS; ++ command[1] = 0; ++ ++ do_spi_transfer(1, command, 2, command, 2, NULL, 0, NULL, 0); ++ status = command[1]; ++ ++ kfree(command); ++ return status; ++} ++ ++/* ......................................................................... */ ++ ++/* ++ * Erase blocks of flash. ++ */ ++static int at91_dataflash_erase(struct mtd_info *mtd, struct erase_info *instr) ++{ ++ struct dataflash_local *priv = (struct dataflash_local *) mtd->priv; ++ unsigned int pageaddr; ++ char* command; ++ ++#ifdef DEBUG_DATAFLASH ++ printk("dataflash_erase: addr=%i len=%i\n", instr->addr, instr->len); ++#endif ++ ++ /* Sanity checks */ ++ if (instr->addr + instr->len > mtd->size) ++ return -EINVAL; ++ if ((instr->len % mtd->erasesize != 0) || (instr->len % priv->page_size != 0)) ++ return -EINVAL; ++ if ((instr->addr % priv->page_size) != 0) ++ return -EINVAL; ++ ++ command = kmalloc(4, GFP_KERNEL); ++ if (!command) ++ return -ENOMEM; ++ ++ while (instr->len > 0) { ++ /* Calculate flash page address */ ++ pageaddr = (instr->addr / priv->page_size) << priv->page_offset; ++ ++ command[0] = OP_ERASE_PAGE; ++ command[1] = (pageaddr & 0x00FF0000) >> 16; ++ command[2] = (pageaddr & 0x0000FF00) >> 8; ++ command[3] = 0; ++#ifdef DEBUG_DATAFLASH ++ printk("ERASE: (%x) %x %x %x [%i]\n", command[0], command[1], command[2], command[3], pageaddr); ++#endif ++ ++ /* Send command to SPI device */ ++ spi_access_bus(priv->spi); ++ do_spi_transfer(1, command, 4, command, 4, NULL, 0, NULL, 0); ++ ++ at91_dataflash_waitready(); /* poll status until ready */ ++ spi_release_bus(priv->spi); ++ ++ instr->addr += priv->page_size; /* next page */ ++ instr->len -= priv->page_size; ++ } ++ ++ kfree(command); ++ ++ /* Inform MTD subsystem that erase is complete */ ++ instr->state = MTD_ERASE_DONE; ++ if (instr->callback) ++ instr->callback(instr); ++ ++ return 0; ++} ++ ++/* ++ * Read from the DataFlash device. ++ * from : Start offset in flash device ++ * len : Amount to read ++ * retlen : About of data actually read ++ * buf : Buffer containing the data ++ */ ++static int at91_dataflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) ++{ ++ struct dataflash_local *priv = (struct dataflash_local *) mtd->priv; ++ unsigned int addr; ++ char* command; ++ ++#ifdef DEBUG_DATAFLASH ++ printk("dataflash_read: %lli .. %lli\n", from, from+len); ++#endif ++ ++ *retlen = 0; ++ ++ /* Sanity checks */ ++ if (!len) ++ return 0; ++ if (from + len > mtd->size) ++ return -EINVAL; ++ ++ /* Calculate flash page/byte address */ ++ addr = (((unsigned)from / priv->page_size) << priv->page_offset) + ((unsigned)from % priv->page_size); ++ ++ command = kmalloc(8, GFP_KERNEL); ++ if (!command) ++ return -ENOMEM; ++ ++ command[0] = OP_READ_CONTINUOUS; ++ command[1] = (addr & 0x00FF0000) >> 16; ++ command[2] = (addr & 0x0000FF00) >> 8; ++ command[3] = (addr & 0x000000FF); ++#ifdef DEBUG_DATAFLASH ++ printk("READ: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]); ++#endif ++ ++ /* Send command to SPI device */ ++ spi_access_bus(priv->spi); ++ do_spi_transfer(2, command, 8, command, 8, buf, len, buf, len); ++ spi_release_bus(priv->spi); ++ ++ *retlen = len; ++ kfree(command); ++ return 0; ++} ++ ++/* ++ * Write to the DataFlash device. ++ * to : Start offset in flash device ++ * len : Amount to write ++ * retlen : Amount of data actually written ++ * buf : Buffer containing the data ++ */ ++static int at91_dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf) ++{ ++ struct dataflash_local *priv = (struct dataflash_local *) mtd->priv; ++ unsigned int pageaddr, addr, offset, writelen; ++ size_t remaining; ++ u_char *writebuf; ++ unsigned short status; ++ int res = 0; ++ char* command; ++ char* tmpbuf = NULL; ++ ++#ifdef DEBUG_DATAFLASH ++ printk("dataflash_write: %lli .. %lli\n", to, to+len); ++#endif ++ ++ *retlen = 0; ++ ++ /* Sanity checks */ ++ if (!len) ++ return 0; ++ if (to + len > mtd->size) ++ return -EINVAL; ++ ++ command = kmalloc(4, GFP_KERNEL); ++ if (!command) ++ return -ENOMEM; ++ ++ pageaddr = ((unsigned)to / priv->page_size); ++ offset = ((unsigned)to % priv->page_size); ++ if (offset + len > priv->page_size) ++ writelen = priv->page_size - offset; ++ else ++ writelen = len; ++ writebuf = (u_char *)buf; ++ remaining = len; ++ ++ /* Allocate temporary buffer */ ++ tmpbuf = kmalloc(priv->page_size, GFP_KERNEL); ++ if (!tmpbuf) { ++ kfree(command); ++ return -ENOMEM; ++ } ++ ++ /* Gain access to the SPI bus */ ++ spi_access_bus(priv->spi); ++ ++ while (remaining > 0) { ++#ifdef DEBUG_DATAFLASH ++ printk("write @ %i:%i len=%i\n", pageaddr, offset, writelen); ++#endif ++ ++ /* (1) Transfer to Buffer1 */ ++ if (writelen != priv->page_size) { ++ addr = pageaddr << priv->page_offset; ++ command[0] = OP_TRANSFER_BUF1; ++ command[1] = (addr & 0x00FF0000) >> 16; ++ command[2] = (addr & 0x0000FF00) >> 8; ++ command[3] = 0; ++#ifdef DEBUG_DATAFLASH ++ printk("TRANSFER: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]); ++#endif ++ do_spi_transfer(1, command, 4, command, 4, NULL, 0, NULL, 0); ++ at91_dataflash_waitready(); ++ } ++ ++ /* (2) Program via Buffer1 */ ++ addr = (pageaddr << priv->page_offset) + offset; ++ command[0] = OP_PROGRAM_VIA_BUF1; ++ command[1] = (addr & 0x00FF0000) >> 16; ++ command[2] = (addr & 0x0000FF00) >> 8; ++ command[3] = (addr & 0x000000FF); ++#ifdef DEBUG_DATAFLASH ++ printk("PROGRAM: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]); ++#endif ++ do_spi_transfer(2, command, 4, command, 4, writebuf, writelen, tmpbuf, writelen); ++ at91_dataflash_waitready(); ++ ++ /* (3) Compare to Buffer1 */ ++ addr = pageaddr << priv->page_offset; ++ command[0] = OP_COMPARE_BUF1; ++ command[1] = (addr & 0x00FF0000) >> 16; ++ command[2] = (addr & 0x0000FF00) >> 8; ++ command[3] = 0; ++#ifdef DEBUG_DATAFLASH ++ printk("COMPARE: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]); ++#endif ++ do_spi_transfer(1, command, 4, command, 4, NULL, 0, NULL, 0); ++ at91_dataflash_waitready(); ++ ++ /* Get result of the compare operation */ ++ status = at91_dataflash_status(); ++ if ((status & 0x40) == 1) { ++ printk("at91_dataflash: Write error on page %i\n", pageaddr); ++ remaining = 0; ++ res = -EIO; ++ } ++ ++ remaining = remaining - writelen; ++ pageaddr++; ++ offset = 0; ++ writebuf += writelen; ++ *retlen += writelen; ++ ++ if (remaining > priv->page_size) ++ writelen = priv->page_size; ++ else ++ writelen = remaining; ++ } ++ ++ /* Release SPI bus */ ++ spi_release_bus(priv->spi); ++ ++ kfree(tmpbuf); ++ kfree(command); ++ return res; ++} ++ ++/* ......................................................................... */ ++ ++/* ++ * Initialize and register DataFlash device with MTD subsystem. ++ */ ++static int __init add_dataflash(int channel, char *name, int IDsize, ++ int nr_pages, int pagesize, int pageoffset) ++{ ++ struct mtd_info *device; ++ struct dataflash_local *priv; ++#ifdef CONFIG_MTD_PARTITIONS ++ struct mtd_partition *mtd_parts = 0; ++ int mtd_parts_nr = 0; ++#endif ++ ++ if (nr_devices >= DATAFLASH_MAX_DEVICES) { ++ printk(KERN_ERR "at91_dataflash: Too many devices detected\n"); ++ return 0; ++ } ++ ++ device = kmalloc(sizeof(struct mtd_info) + strlen(name) + 8, GFP_KERNEL); ++ if (!device) ++ return -ENOMEM; ++ memset(device, 0, sizeof(struct mtd_info)); ++ ++ device->name = (char *)&device[1]; ++ sprintf(device->name, "%s.spi%d", name, channel); ++ device->size = nr_pages * pagesize; ++ device->erasesize = pagesize; ++ device->writesize = pagesize; ++ device->owner = THIS_MODULE; ++ device->type = MTD_DATAFLASH; ++ device->flags = MTD_WRITEABLE; ++ device->erase = at91_dataflash_erase; ++ device->read = at91_dataflash_read; ++ device->write = at91_dataflash_write; ++ ++ priv = (struct dataflash_local *) kmalloc(sizeof(struct dataflash_local), GFP_KERNEL); ++ if (!priv) { ++ kfree(device); ++ return -ENOMEM; ++ } ++ memset(priv, 0, sizeof(struct dataflash_local)); ++ ++ priv->spi = channel; ++ priv->page_size = pagesize; ++ priv->page_offset = pageoffset; ++ device->priv = priv; ++ ++ mtd_devices[nr_devices] = device; ++ nr_devices++; ++ printk("at91_dataflash: %s detected [spi%i] (%i bytes)\n", name, channel, device->size); ++ ++#ifdef CONFIG_MTD_PARTITIONS ++#ifdef CONFIG_MTD_CMDLINE_PARTS ++ mtd_parts_nr = parse_mtd_partitions(device, part_probes, &mtd_parts, 0); ++#endif ++ if (mtd_parts_nr <= 0) { ++ switch (IDsize) { ++ case SZ_2M: ++ mtd_parts = static_partitions_2M; ++ mtd_parts_nr = ARRAY_SIZE(static_partitions_2M); ++ break; ++ case SZ_4M: ++ mtd_parts = static_partitions_4M; ++ mtd_parts_nr = ARRAY_SIZE(static_partitions_4M); ++ break; ++ case SZ_8M: ++ mtd_parts = static_partitions_8M; ++ mtd_parts_nr = ARRAY_SIZE(static_partitions_8M); ++ break; ++ } ++ } ++ ++ if (mtd_parts_nr > 0) { ++#ifdef DATAFLASH_ALWAYS_ADD_DEVICE ++ add_mtd_device(device); ++#endif ++ return add_mtd_partitions(device, mtd_parts, mtd_parts_nr); ++ } ++#endif ++ return add_mtd_device(device); /* add whole device */ ++} ++ ++/* ++ * Detect and initialize DataFlash device connected to specified SPI channel. ++ * ++ * Device Density ID code Nr Pages Page Size Page offset ++ * AT45DB011B 1Mbit (128K) xx0011xx (0x0c) 512 264 9 ++ * AT45DB021B 2Mbit (256K) xx0101xx (0x14) 1025 264 9 ++ * AT45DB041B 4Mbit (512K) xx0111xx (0x1c) 2048 264 9 ++ * AT45DB081B 8Mbit (1M) xx1001xx (0x24) 4096 264 9 ++ * AT45DB0161B 16Mbit (2M) xx1011xx (0x2c) 4096 528 10 ++ * AT45DB0321B 32Mbit (4M) xx1101xx (0x34) 8192 528 10 ++ * AT45DB0642 64Mbit (8M) xx1111xx (0x3c) 8192 1056 11 ++ * AT45DB1282 128Mbit (16M) xx0100xx (0x10) 16384 1056 11 ++ */ ++static int __init at91_dataflash_detect(int channel) ++{ ++ int res = 0; ++ unsigned short status; ++ ++ spi_access_bus(channel); ++ status = at91_dataflash_status(); ++ spi_release_bus(channel); ++ if (status != 0xff) { /* no dataflash device there */ ++ switch (status & 0x3c) { ++ case 0x0c: /* 0 0 1 1 */ ++ res = add_dataflash(channel, "AT45DB011B", SZ_128K, 512, 264, 9); ++ break; ++ case 0x14: /* 0 1 0 1 */ ++ res = add_dataflash(channel, "AT45DB021B", SZ_256K, 1025, 264, 9); ++ break; ++ case 0x1c: /* 0 1 1 1 */ ++ res = add_dataflash(channel, "AT45DB041B", SZ_512K, 2048, 264, 9); ++ break; ++ case 0x24: /* 1 0 0 1 */ ++ res = add_dataflash(channel, "AT45DB081B", SZ_1M, 4096, 264, 9); ++ break; ++ case 0x2c: /* 1 0 1 1 */ ++ res = add_dataflash(channel, "AT45DB161B", SZ_2M, 4096, 528, 10); ++ break; ++ case 0x34: /* 1 1 0 1 */ ++ res = add_dataflash(channel, "AT45DB321B", SZ_4M, 8192, 528, 10); ++ break; ++ case 0x3c: /* 1 1 1 1 */ ++ res = add_dataflash(channel, "AT45DB642", SZ_8M, 8192, 1056, 11); ++ break; ++// Currently unsupported since Atmel removed the "Main Memory Program via Buffer" commands. ++// case 0x10: /* 0 1 0 0 */ ++// res = add_dataflash(channel, "AT45DB1282", SZ_16M, 16384, 1056, 11); ++// break; ++ default: ++ printk(KERN_ERR "at91_dataflash: Unknown device (%x)\n", status & 0x3c); ++ } ++ } ++ ++ return res; ++} ++ ++static int __init at91_dataflash_init(void) ++{ ++ spi_transfer_desc = kmalloc(sizeof(struct spi_transfer_list), GFP_KERNEL); ++ if (!spi_transfer_desc) ++ return -ENOMEM; ++ ++ /* DataFlash (SPI chip select 0) */ ++ at91_dataflash_detect(0); ++ ++#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD ++ /* DataFlash card (SPI chip select 3) */ ++ at91_dataflash_detect(3); ++#endif ++ ++ return 0; ++} ++ ++static void __exit at91_dataflash_exit(void) ++{ ++ int i; ++ ++ for (i = 0; i < DATAFLASH_MAX_DEVICES; i++) { ++ if (mtd_devices[i]) { ++#ifdef CONFIG_MTD_PARTITIONS ++ del_mtd_partitions(mtd_devices[i]); ++#else ++ del_mtd_device(mtd_devices[i]); ++#endif ++ kfree(mtd_devices[i]->priv); ++ kfree(mtd_devices[i]); ++ } ++ } ++ nr_devices = 0; ++ kfree(spi_transfer_desc); ++} ++ ++ ++module_init(at91_dataflash_init); ++module_exit(at91_dataflash_exit); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Andrew Victor"); ++MODULE_DESCRIPTION("DataFlash driver for Atmel AT91RM9200"); +diff -urN linux-2.6.20.4-0rig/drivers/mtd/devices/Kconfig linux-2.6.20.4-atmel/drivers/mtd/devices/Kconfig +--- linux-2.6.20.4-0rig/drivers/mtd/devices/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mtd/devices/Kconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -267,5 +267,11 @@ + LinuxBIOS or if you need to recover a DiskOnChip Millennium on which + you have managed to wipe the first block. + +-endmenu ++config MTD_AT91_DATAFLASH ++ tristate "AT91RM9200 DataFlash AT45DBxxx (legacy driver)" ++ depends on MTD && ARCH_AT91RM9200 && AT91_SPI ++ help ++ This enables access to the DataFlash (AT45DBxxx) on the AT91RM9200. ++ If you have such a board, say 'Y'. + ++endmenu +diff -urN linux-2.6.20.4-0rig/drivers/mtd/devices/Makefile linux-2.6.20.4-atmel/drivers/mtd/devices/Makefile +--- linux-2.6.20.4-0rig/drivers/mtd/devices/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mtd/devices/Makefile 2007-03-24 16:39:15.000000000 +0100 +@@ -17,3 +17,4 @@ + obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o + obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o + obj-$(CONFIG_MTD_M25P80) += m25p80.o ++obj-$(CONFIG_MTD_AT91_DATAFLASH)+= at91_dataflash.o +diff -urN linux-2.6.20.4-0rig/drivers/mtd/nand/at91_nand.c linux-2.6.20.4-atmel/drivers/mtd/nand/at91_nand.c +--- linux-2.6.20.4-0rig/drivers/mtd/nand/at91_nand.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/mtd/nand/at91_nand.c 2007-03-24 16:39:15.000000000 +0100 +@@ -82,6 +82,10 @@ + at91_set_gpio_value(host->board->enable_pin, 1); + } + ++#ifdef CONFIG_MTD_PARTITIONS ++const char *part_probes[] = { "cmdlinepart", NULL }; ++#endif ++ + /* + * Probe for the NAND device. + */ +@@ -151,6 +155,12 @@ + #ifdef CONFIG_MTD_PARTITIONS + if (host->board->partition_info) + partitions = host->board->partition_info(mtd->size, &num_partitions); ++#ifdef CONFIG_MTD_CMDLINE_PARTS ++ else { ++ mtd->name = "at91_nand"; ++ num_partitions = parse_mtd_partitions(mtd, part_probes, &partitions, 0); ++ } ++#endif + + if ((!partitions) || (num_partitions == 0)) { + printk(KERN_ERR "at91_nand: No parititions defined, or unsupported device.\n"); +diff -urN linux-2.6.20.4-0rig/drivers/net/arm/at91_ether.c linux-2.6.20.4-atmel/drivers/net/arm/at91_ether.c +--- linux-2.6.20.4-0rig/drivers/net/arm/at91_ether.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/net/arm/at91_ether.c 2007-03-24 16:39:15.000000000 +0100 +@@ -943,14 +943,22 @@ + struct net_device *dev; + struct at91_private *lp; + unsigned int val; +- int res; ++ struct resource *res; ++ int ret; + + dev = alloc_etherdev(sizeof(struct at91_private)); + if (!dev) + return -ENOMEM; + +- dev->base_addr = AT91_VA_BASE_EMAC; +- dev->irq = AT91RM9200_ID_EMAC; ++ /* Get I/O base address and IRQ */ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) { ++ free_netdev(dev); ++ return -ENODEV; ++ } ++ dev->base_addr = res->start; ++ dev->irq = platform_get_irq(pdev, 0); ++ + SET_MODULE_OWNER(dev); + + /* Install the interrupt handler */ +@@ -1023,12 +1031,12 @@ + lp->phy_address = phy_address; /* MDI address of PHY */ + + /* Register the network interface */ +- res = register_netdev(dev); +- if (res) { ++ ret = register_netdev(dev); ++ if (ret) { + free_irq(dev->irq, dev); + free_netdev(dev); + dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys); +- return res; ++ return ret; + } + + /* Determine current link speed */ +@@ -1103,7 +1111,7 @@ + case MII_LXT971A_ID: /* Intel LXT971A: PHY_ID1 = 0x13, PHY_ID2 = 78E0 */ + case MII_RTL8201_ID: /* Realtek RTL8201: PHY_ID1 = 0, PHY_ID2 = 0x8201 */ + case MII_BCM5221_ID: /* Broadcom BCM5221: PHY_ID1 = 0x40, PHY_ID2 = 0x61e0 */ +- case MII_DP83847_ID: /* National Semiconductor DP83847: */ ++ case MII_DP83847_ID: /* National Semiconductor DP83847: */ + case MII_AC101L_ID: /* Altima AC101L: PHY_ID1 = 0x22, PHY_ID2 = 0x5520 */ + case MII_KS8721_ID: /* Micrel KS8721: PHY_ID1 = 0x22, PHY_ID2 = 0x1610 */ + detected = at91ether_setup(phy_id, phy_address, pdev, ether_clk); +diff -urN linux-2.6.20.4-0rig/drivers/net/Kconfig linux-2.6.20.4-atmel/drivers/net/Kconfig +--- linux-2.6.20.4-0rig/drivers/net/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/net/Kconfig 2007-03-24 16:39:15.000000000 +0100 +@@ -190,7 +190,7 @@ + + config MACB + tristate "Atmel MACB support" +- depends on NET_ETHERNET && AVR32 ++ depends on NET_ETHERNET && (AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263) + select MII + help + The Atmel MACB ethernet interface is found on many AT32 and AT91 +diff -urN linux-2.6.20.4-0rig/drivers/net/macb.c linux-2.6.20.4-atmel/drivers/net/macb.c +--- linux-2.6.20.4-0rig/drivers/net/macb.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/net/macb.c 2007-03-24 16:42:28.000000000 +0100 +@@ -883,27 +883,15 @@ + static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) + { + struct macb *bp = netdev_priv(dev); +- int ret; +- unsigned long flags; +- +- spin_lock_irqsave(&bp->lock, flags); +- ret = mii_ethtool_gset(&bp->mii, cmd); +- spin_unlock_irqrestore(&bp->lock, flags); + +- return ret; ++ return mii_ethtool_gset(&bp->mii, cmd); + } + + static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) + { + struct macb *bp = netdev_priv(dev); +- int ret; +- unsigned long flags; +- +- spin_lock_irqsave(&bp->lock, flags); +- ret = mii_ethtool_sset(&bp->mii, cmd); +- spin_unlock_irqrestore(&bp->lock, flags); + +- return ret; ++ return mii_ethtool_sset(&bp->mii, cmd); + } + + static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +@@ -932,17 +920,11 @@ + static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) + { + struct macb *bp = netdev_priv(dev); +- int ret; +- unsigned long flags; + + if (!netif_running(dev)) + return -EINVAL; + +- spin_lock_irqsave(&bp->lock, flags); +- ret = generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL); +- spin_unlock_irqrestore(&bp->lock, flags); +- +- return ret; ++ return generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL); + } + + static ssize_t macb_mii_show(const struct class_device *cd, char *buf, +@@ -1046,6 +1028,14 @@ + + spin_lock_init(&bp->lock); + ++#if defined(CONFIG_ARCH_AT91) ++ bp->pclk = clk_get(&pdev->dev, "macb_clk"); ++ if (IS_ERR(bp->pclk)) { ++ dev_err(&pdev->dev, "failed to get macb_clk\n"); ++ goto err_out_free_dev; ++ } ++ clk_enable(bp->pclk); ++#else + bp->pclk = clk_get(&pdev->dev, "pclk"); + if (IS_ERR(bp->pclk)) { + dev_err(&pdev->dev, "failed to get pclk\n"); +@@ -1059,6 +1049,7 @@ + + clk_enable(bp->pclk); + clk_enable(bp->hclk); ++#endif + + bp->regs = ioremap(regs->start, regs->end - regs->start + 1); + if (!bp->regs) { +@@ -1119,9 +1110,17 @@ + + pdata = pdev->dev.platform_data; + if (pdata && pdata->is_rmii) ++#if defined(CONFIG_ARCH_AT91) ++ macb_writel(bp, USRIO, (MACB_BIT(RMII) | MACB_BIT(CLKEN)) ); ++#else + macb_writel(bp, USRIO, 0); ++#endif + else ++#if defined(CONFIG_ARCH_AT91) ++ macb_writel(bp, USRIO, MACB_BIT(CLKEN)); ++#else + macb_writel(bp, USRIO, MACB_BIT(MII)); ++#endif + + bp->tx_pending = DEF_TX_RING_PENDING; + +@@ -1148,9 +1147,11 @@ + err_out_iounmap: + iounmap(bp->regs); + err_out_disable_clocks: ++#ifndef CONFIG_ARCH_AT91 + clk_disable(bp->hclk); +- clk_disable(bp->pclk); + clk_put(bp->hclk); ++#endif ++ clk_disable(bp->pclk); + err_out_put_pclk: + clk_put(bp->pclk); + err_out_free_dev: +@@ -1173,9 +1174,11 @@ + unregister_netdev(dev); + free_irq(dev->irq, dev); + iounmap(bp->regs); ++#ifndef CONFIG_ARCH_AT91 + clk_disable(bp->hclk); +- clk_disable(bp->pclk); + clk_put(bp->hclk); ++#endif ++ clk_disable(bp->pclk); + clk_put(bp->pclk); + free_netdev(dev); + platform_set_drvdata(pdev, NULL); +diff -urN linux-2.6.20.4-0rig/drivers/net/macb.h linux-2.6.20.4-atmel/drivers/net/macb.h +--- linux-2.6.20.4-0rig/drivers/net/macb.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/net/macb.h 2007-03-24 16:39:15.000000000 +0100 +@@ -200,7 +200,7 @@ + #define MACB_SOF_OFFSET 30 + #define MACB_SOF_SIZE 2 + +-/* Bitfields in USRIO */ ++/* Bitfields in USRIO (AVR32) */ + #define MACB_MII_OFFSET 0 + #define MACB_MII_SIZE 1 + #define MACB_EAM_OFFSET 1 +@@ -210,6 +210,12 @@ + #define MACB_TX_PAUSE_ZERO_OFFSET 3 + #define MACB_TX_PAUSE_ZERO_SIZE 1 + ++/* Bitfields in USRIO (AT91) */ ++#define MACB_RMII_OFFSET 0 ++#define MACB_RMII_SIZE 1 ++#define MACB_CLKEN_OFFSET 1 ++#define MACB_CLKEN_SIZE 1 ++ + /* Bitfields in WOL */ + #define MACB_IP_OFFSET 0 + #define MACB_IP_SIZE 16 +diff -urN linux-2.6.20.4-0rig/drivers/pcmcia/at91_cf.c linux-2.6.20.4-atmel/drivers/pcmcia/at91_cf.c +--- linux-2.6.20.4-0rig/drivers/pcmcia/at91_cf.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/pcmcia/at91_cf.c 2007-03-24 16:39:15.000000000 +0100 +@@ -333,20 +333,27 @@ + struct at91_cf_data *board = cf->board; + + pcmcia_socket_dev_suspend(&pdev->dev, mesg); ++ + if (device_may_wakeup(&pdev->dev)) { + enable_irq_wake(board->det_pin); + if (board->irq_pin) + enable_irq_wake(board->irq_pin); +- } else { +- disable_irq_wake(board->det_pin); +- if (board->irq_pin) +- disable_irq_wake(board->irq_pin); + } ++ + return 0; + } + + static int at91_cf_resume(struct platform_device *pdev) + { ++ struct at91_cf_socket *cf = platform_get_drvdata(pdev); ++ struct at91_cf_data *board = cf->board; ++ ++ if (device_may_wakeup(&pdev->dev)) { ++ disable_irq_wake(board->det_pin); ++ if (board->irq_pin) ++ disable_irq_wake(board->irq_pin); ++ } ++ + pcmcia_socket_dev_resume(&pdev->dev); + return 0; + } +diff -urN linux-2.6.20.4-0rig/drivers/serial/atmel_serial.c linux-2.6.20.4-atmel/drivers/serial/atmel_serial.c +--- linux-2.6.20.4-0rig/drivers/serial/atmel_serial.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/serial/atmel_serial.c 2007-03-24 16:42:29.000000000 +0100 +@@ -7,6 +7,8 @@ + * Based on drivers/char/serial_sa1100.c, by Deep Blue Solutions Ltd. + * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. + * ++ * DMA support added by Chip Coldwell. ++ * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or +@@ -33,12 +35,14 @@ + #include <linux/sysrq.h> + #include <linux/tty_flip.h> + #include <linux/platform_device.h> ++#include <linux/dma-mapping.h> ++#include <linux/atmel_pdc.h> + + #include <asm/io.h> + + #include <asm/mach/serial_at91.h> + #include <asm/arch/board.h> +-#include <asm/arch/at91_pdc.h> ++ + #ifdef CONFIG_ARM + #include <asm/arch/cpu.h> + #include <asm/arch/gpio.h> +@@ -46,6 +50,11 @@ + + #include "atmel_serial.h" + ++#define SUPPORT_PDC ++#define PDC_BUFFER_SIZE (L1_CACHE_BYTES << 3) ++#warning "Revisit" ++#define PDC_RX_TIMEOUT (3 * 10) /* 3 bytes */ ++ + #if defined(CONFIG_SERIAL_ATMEL_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) + #define SUPPORT_SYSRQ + #endif +@@ -73,39 +82,46 @@ + + #define ATMEL_ISR_PASS_LIMIT 256 + +-#define UART_PUT_CR(port,v) writel(v, (port)->membase + ATMEL_US_CR) +-#define UART_GET_MR(port) readl((port)->membase + ATMEL_US_MR) +-#define UART_PUT_MR(port,v) writel(v, (port)->membase + ATMEL_US_MR) +-#define UART_PUT_IER(port,v) writel(v, (port)->membase + ATMEL_US_IER) +-#define UART_PUT_IDR(port,v) writel(v, (port)->membase + ATMEL_US_IDR) +-#define UART_GET_IMR(port) readl((port)->membase + ATMEL_US_IMR) +-#define UART_GET_CSR(port) readl((port)->membase + ATMEL_US_CSR) +-#define UART_GET_CHAR(port) readl((port)->membase + ATMEL_US_RHR) +-#define UART_PUT_CHAR(port,v) writel(v, (port)->membase + ATMEL_US_THR) +-#define UART_GET_BRGR(port) readl((port)->membase + ATMEL_US_BRGR) +-#define UART_PUT_BRGR(port,v) writel(v, (port)->membase + ATMEL_US_BRGR) +-#define UART_PUT_RTOR(port,v) writel(v, (port)->membase + ATMEL_US_RTOR) ++#define UART_PUT_CR(port,v) __raw_writel(v, (port)->membase + ATMEL_US_CR) ++#define UART_GET_MR(port) __raw_readl((port)->membase + ATMEL_US_MR) ++#define UART_PUT_MR(port,v) __raw_writel(v, (port)->membase + ATMEL_US_MR) ++#define UART_PUT_IER(port,v) __raw_writel(v, (port)->membase + ATMEL_US_IER) ++#define UART_PUT_IDR(port,v) __raw_writel(v, (port)->membase + ATMEL_US_IDR) ++#define UART_GET_IMR(port) __raw_readl((port)->membase + ATMEL_US_IMR) ++#define UART_GET_CSR(port) __raw_readl((port)->membase + ATMEL_US_CSR) ++#define UART_GET_CHAR(port) __raw_readl((port)->membase + ATMEL_US_RHR) ++#define UART_PUT_CHAR(port,v) __raw_writel(v, (port)->membase + ATMEL_US_THR) ++#define UART_GET_BRGR(port) __raw_readl((port)->membase + ATMEL_US_BRGR) ++#define UART_PUT_BRGR(port,v) __raw_writel(v, (port)->membase + ATMEL_US_BRGR) ++#define UART_PUT_RTOR(port,v) __raw_writel(v, (port)->membase + ATMEL_US_RTOR) + +-// #define UART_GET_CR(port) readl((port)->membase + ATMEL_US_CR) // is write-only ++// #define UART_GET_CR(port) __raw_readl((port)->membase + ATMEL_US_CR) // is write-only + + /* PDC registers */ +-#define UART_PUT_PTCR(port,v) writel(v, (port)->membase + ATMEL_PDC_PTCR) +-#define UART_GET_PTSR(port) readl((port)->membase + ATMEL_PDC_PTSR) ++#define UART_PUT_PTCR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_PTCR) ++#define UART_GET_PTSR(port) __raw_readl((port)->membase + ATMEL_PDC_PTSR) + +-#define UART_PUT_RPR(port,v) writel(v, (port)->membase + ATMEL_PDC_RPR) +-#define UART_GET_RPR(port) readl((port)->membase + ATMEL_PDC_RPR) +-#define UART_PUT_RCR(port,v) writel(v, (port)->membase + ATMEL_PDC_RCR) +-#define UART_PUT_RNPR(port,v) writel(v, (port)->membase + ATMEL_PDC_RNPR) +-#define UART_PUT_RNCR(port,v) writel(v, (port)->membase + ATMEL_PDC_RNCR) +- +-#define UART_PUT_TPR(port,v) writel(v, (port)->membase + ATMEL_PDC_TPR) +-#define UART_PUT_TCR(port,v) writel(v, (port)->membase + ATMEL_PDC_TCR) +-//#define UART_PUT_TNPR(port,v) writel(v, (port)->membase + ATMEL_PDC_TNPR) +-//#define UART_PUT_TNCR(port,v) writel(v, (port)->membase + ATMEL_PDC_TNCR) ++#define UART_PUT_RPR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_RPR) ++#define UART_GET_RPR(port) __raw_readl((port)->membase + ATMEL_PDC_RPR) ++#define UART_PUT_RCR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_RCR) ++#define UART_PUT_RNPR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_RNPR) ++#define UART_PUT_RNCR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_RNCR) ++ ++#define UART_PUT_TPR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_TPR) ++#define UART_PUT_TCR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_TCR) ++//#define UART_PUT_TNPR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_TNPR) ++//#define UART_PUT_TNCR(port,v) __raw_writel(v, (port)->membase + ATMEL_PDC_TNCR) + + static int (*atmel_open_hook)(struct uart_port *); + static void (*atmel_close_hook)(struct uart_port *); + ++struct atmel_dma_buffer { ++ unsigned char *buf; ++ dma_addr_t dma_addr; ++ size_t dma_size; ++ unsigned int ofs; ++}; ++ + /* + * We wrap our port structure around the generic uart_port. + */ +@@ -113,10 +129,20 @@ + struct uart_port uart; /* uart */ + struct clk *clk; /* uart clock */ + unsigned short suspended; /* is port suspended? */ ++ ++ short use_dma_rx; /* enable PDC receiver */ ++ short pdc_rx_idx; /* current PDC RX buffer */ ++ struct atmel_dma_buffer pdc_rx[2]; /* PDC receier */ ++ ++ short use_dma_tx; /* enable PDC transmitter */ ++ struct atmel_dma_buffer pdc_tx; /* PDC transmitter */ + }; + + static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART]; + ++#define PDC_RX_BUF(port) &(port)->pdc_rx[(port)->pdc_rx_idx] ++#define PDC_RX_SWITCH(port) (port)->pdc_rx_idx = !(port)->pdc_rx_idx ++ + #ifdef SUPPORT_SYSRQ + static struct console atmel_console; + #endif +@@ -204,7 +230,12 @@ + { + struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; + +- UART_PUT_IDR(port, ATMEL_US_TXRDY); ++ if (atmel_port->use_dma_tx) { ++ UART_PUT_PTCR(port, ATMEL_PDC_TXTDIS); /* disable PDC transmit */ ++ UART_PUT_IDR(port, ATMEL_US_ENDTX | ATMEL_US_TXBUFE); ++ } ++ else ++ UART_PUT_IDR(port, ATMEL_US_TXRDY); + } + + /* +@@ -214,7 +245,17 @@ + { + struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; + +- UART_PUT_IER(port, ATMEL_US_TXRDY); ++ if (atmel_port->use_dma_tx) { ++ if (UART_GET_PTSR(port) & ATMEL_PDC_TXTEN) ++ /* The transmitter is already running. Yes, we ++ really need this.*/ ++ return; ++ ++ UART_PUT_IER(port, ATMEL_US_ENDTX | ATMEL_US_TXBUFE); ++ UART_PUT_PTCR(port, ATMEL_PDC_TXTEN); /* re-enable PDC transmit */ ++ } ++ else ++ UART_PUT_IER(port, ATMEL_US_TXRDY); + } + + /* +@@ -224,7 +265,12 @@ + { + struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; + +- UART_PUT_IDR(port, ATMEL_US_RXRDY); ++ if (atmel_port->use_dma_rx) { ++ UART_PUT_PTCR(port, ATMEL_PDC_RXTDIS); /* disable PDC receive */ ++ UART_PUT_IDR(port, ATMEL_US_ENDRX | ATMEL_US_TIMEOUT); ++ } ++ else ++ UART_PUT_IDR(port, ATMEL_US_RXRDY); + } + + /* +@@ -247,6 +293,134 @@ + } + + /* ++ * Receive data via the PDC. A buffer has been fulled. ++ */ ++static void atmel_pdc_endrx(struct uart_port *port) ++{ ++ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; ++ struct tty_struct *tty = port->info->tty; ++ struct atmel_dma_buffer *pdc = PDC_RX_BUF(atmel_port); ++ unsigned int count; ++ ++ count = pdc->dma_size - pdc->ofs; ++ if (likely(count > 0)) { ++ dma_sync_single_for_cpu(port->dev, pdc->dma_addr, pdc->dma_size, DMA_FROM_DEVICE); ++ tty_insert_flip_string(tty, pdc->buf + pdc->ofs, count); ++ tty_flip_buffer_push(tty); ++ ++ port->icount.rx += count; ++ } ++ ++ /* Set this buffer as the next receive buffer */ ++ pdc->ofs = 0; ++ UART_PUT_RNPR(port, pdc->dma_addr); ++ UART_PUT_RNCR(port, pdc->dma_size); ++ ++ /* Switch to next buffer */ ++ PDC_RX_SWITCH(atmel_port); /* next PDC buffer */ ++} ++ ++/* ++ * Receive data via the PDC. At least one byte was received, but the ++ * buffer was not full when the inter-character timeout expired. ++ */ ++static void atmel_pdc_timeout(struct uart_port *port) ++{ ++ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; ++ struct tty_struct *tty = port->info->tty; ++ struct atmel_dma_buffer *pdc = PDC_RX_BUF(atmel_port); ++ /* unsigned */ int ofs, count; ++ ++ ofs = UART_GET_RPR(port) - pdc->dma_addr; /* current DMA adress */ ++ count = ofs - pdc->ofs; ++ ++ if (likely(count > 0)) { ++ dma_sync_single_for_cpu(port->dev, pdc->dma_addr, pdc->dma_size, DMA_FROM_DEVICE); ++ tty_insert_flip_string(tty, pdc->buf + pdc->ofs, count); ++ tty_flip_buffer_push(tty); ++ ++ pdc->ofs = ofs; ++ port->icount.rx += count; ++ } ++ ++ /* reset the UART timeout */ ++ UART_PUT_CR(port, ATMEL_US_STTTO); ++} ++ ++/* ++ * Deal with parity, framing and overrun errors. ++ */ ++static void atmel_pdc_rxerr(struct uart_port *port, unsigned int status) ++{ ++ /* clear error */ ++ UART_PUT_CR(port, ATMEL_US_RSTSTA); ++ ++ if (status & ATMEL_US_RXBRK) { ++ status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME); /* ignore side-effect */ ++ port->icount.brk++; ++ } ++ if (status & ATMEL_US_PARE) ++ port->icount.parity++; ++ if (status & ATMEL_US_FRAME) ++ port->icount.frame++; ++ if (status & ATMEL_US_OVRE) ++ port->icount.overrun++; ++} ++ ++/* ++ * A transmission via the PDC is complete. ++ */ ++static void atmel_pdc_endtx(struct uart_port *port) ++{ ++ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; ++ struct circ_buf *xmit = &port->info->xmit; ++ struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx; ++ ++ xmit->tail += pdc->ofs; ++ if (xmit->tail >= SERIAL_XMIT_SIZE) ++ xmit->tail -= SERIAL_XMIT_SIZE; ++ ++ port->icount.tx += pdc->ofs; ++ pdc->ofs = 0; ++ ++ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) ++ uart_write_wakeup(port); ++} ++ ++/* ++ * The PDC transmitter is idle, so either start the next transfer or ++ * disable the transmitter. ++ */ ++static void atmel_pdc_txbufe(struct uart_port *port) ++{ ++ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; ++ struct circ_buf *xmit = &port->info->xmit; ++ struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx; ++ int count; ++ ++ if (!uart_circ_empty(xmit)) { ++ /* more to transmit - setup next transfer */ ++ UART_PUT_PTCR(port, ATMEL_PDC_TXTDIS); /* disable PDC transmit */ ++ dma_sync_single_for_device(port->dev, pdc->dma_addr, pdc->dma_size, DMA_TO_DEVICE); ++ ++ if (xmit->tail < xmit->head) ++ count = xmit->head - xmit->tail; ++ else ++ count = SERIAL_XMIT_SIZE - xmit->tail; ++ pdc->ofs = count; ++ ++ UART_PUT_TPR(port, pdc->dma_addr + xmit->tail); ++ UART_PUT_TCR(port, count); ++ UART_PUT_PTCR(port, ATMEL_PDC_TXTEN); /* re-enable PDC transmit */ ++ } ++ else { ++ /* nothing left to transmit - disable the transmitter */ ++ UART_PUT_PTCR(port, ATMEL_PDC_TXTDIS); /* disable PDC transmit */ ++ UART_PUT_IDR(port, ATMEL_US_ENDTX | ATMEL_US_TXBUFE); ++ } ++} ++ ++/* + * Characters received (called from interrupt handler) + */ + static void atmel_rx_chars(struct uart_port *port) +@@ -348,6 +522,14 @@ + status = UART_GET_CSR(port); + pending = status & UART_GET_IMR(port); + while (pending) { ++ /* PDC receive */ ++ if (pending & ATMEL_US_ENDRX) ++ atmel_pdc_endrx(port); ++ if (pending & ATMEL_US_TIMEOUT) ++ atmel_pdc_timeout(port); ++ if (atmel_port->use_dma_rx && pending & (ATMEL_US_RXBRK | ATMEL_US_OVRE | ATMEL_US_FRAME | ATMEL_US_PARE)) ++ atmel_pdc_rxerr(port, pending); ++ + /* Interrupt receive */ + if (pending & ATMEL_US_RXRDY) + atmel_rx_chars(port); +@@ -362,6 +544,12 @@ + if (pending & (ATMEL_US_RIIC | ATMEL_US_DSRIC | ATMEL_US_DCDIC | ATMEL_US_CTSIC)) + wake_up_interruptible(&port->info->delta_msr_wait); + ++ /* PDC transmit */ ++ if (pending & ATMEL_US_ENDTX) ++ atmel_pdc_endtx(port); ++ if (pending & ATMEL_US_TXBUFE) ++ atmel_pdc_txbufe(port); ++ + /* Interrupt transmit */ + if (pending & ATMEL_US_TXRDY) + atmel_tx_chars(port); +@@ -400,6 +588,47 @@ + } + + /* ++ * Initialize DMA (if necessary) ++ */ ++ if (atmel_port->use_dma_rx) { ++ int i; ++ ++ for (i = 0; i < 2; i++) { ++ struct atmel_dma_buffer *pdc = &atmel_port->pdc_rx[i]; ++ ++ pdc->buf = kmalloc(PDC_BUFFER_SIZE, GFP_KERNEL); ++ if (pdc->buf == NULL) { ++ if (i != 0) { ++ dma_unmap_single(port->dev, atmel_port->pdc_rx[0].dma_addr, PDC_BUFFER_SIZE, DMA_FROM_DEVICE); ++ kfree(atmel_port->pdc_rx[0].buf); ++ } ++ free_irq(port->irq, port); ++ return -ENOMEM; ++ } ++ pdc->dma_addr = dma_map_single(port->dev, pdc->buf, PDC_BUFFER_SIZE, DMA_FROM_DEVICE); ++ pdc->dma_size = PDC_BUFFER_SIZE; ++ pdc->ofs = 0; ++ } ++ ++ atmel_port->pdc_rx_idx = 0; ++ ++ UART_PUT_RPR(port, atmel_port->pdc_rx[0].dma_addr); ++ UART_PUT_RCR(port, PDC_BUFFER_SIZE); ++ ++ UART_PUT_RNPR(port, atmel_port->pdc_rx[1].dma_addr); ++ UART_PUT_RNCR(port, PDC_BUFFER_SIZE); ++ } ++ if (atmel_port->use_dma_tx) { ++ struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx; ++ struct circ_buf *xmit = &port->info->xmit; ++ ++ pdc->buf = xmit->buf; ++ pdc->dma_addr = dma_map_single(port->dev, pdc->buf, SERIAL_XMIT_SIZE, DMA_TO_DEVICE); ++ pdc->dma_size = SERIAL_XMIT_SIZE; ++ pdc->ofs = 0; ++ } ++ ++ /* + * If there is a specific "open" function (to register + * control line interrupts) + */ +@@ -417,7 +646,15 @@ + UART_PUT_CR(port, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); + UART_PUT_CR(port, ATMEL_US_TXEN | ATMEL_US_RXEN); /* enable xmit & rcvr */ + +- UART_PUT_IER(port, ATMEL_US_RXRDY); /* enable receive only */ ++ if (atmel_port->use_dma_rx) { ++ UART_PUT_RTOR(port, PDC_RX_TIMEOUT); /* set UART timeout */ ++ UART_PUT_CR(port, ATMEL_US_STTTO); ++ ++ UART_PUT_IER(port, ATMEL_US_ENDRX | ATMEL_US_TIMEOUT); ++ UART_PUT_PTCR(port, ATMEL_PDC_RXTEN); /* enable PDC controller */ ++ } ++ else ++ UART_PUT_IER(port, ATMEL_US_RXRDY); /* enable receive only */ + + return 0; + } +@@ -430,6 +667,25 @@ + struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; + + /* ++ * Shut-down the DMA. ++ */ ++ if (atmel_port->use_dma_rx) { ++ int i; ++ ++ for (i = 0; i < 2; i++) { ++ struct atmel_dma_buffer *pdc = &atmel_port->pdc_rx[i]; ++ ++ dma_unmap_single(port->dev, pdc->dma_addr, pdc->dma_size, DMA_FROM_DEVICE); ++ kfree(pdc->buf); ++ } ++ } ++ if (atmel_port->use_dma_tx) { ++ struct atmel_dma_buffer *pdc = &atmel_port->pdc_tx; ++ ++ dma_unmap_single(port->dev, pdc->dma_addr, pdc->dma_size, DMA_TO_DEVICE); ++ } ++ ++ /* + * Disable all interrupts, port and break condition. + */ + UART_PUT_CR(port, ATMEL_US_RSTSTA); +@@ -480,6 +736,7 @@ + */ + static void atmel_set_termios(struct uart_port *port, struct ktermios * termios, struct ktermios * old) + { ++ struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port; + unsigned long flags; + unsigned int mode, imr, quot, baud; + +@@ -533,6 +790,9 @@ + if (termios->c_iflag & (BRKINT | PARMRK)) + port->read_status_mask |= ATMEL_US_RXBRK; + ++ if (atmel_port->use_dma_rx) /* need to enable error interrupts */ ++ UART_PUT_IER(port, port->read_status_mask); ++ + /* + * Characters to ignore + */ +@@ -711,6 +971,11 @@ + clk_enable(atmel_port->clk); + port->uartclk = clk_get_rate(atmel_port->clk); + } ++ ++#ifdef SUPPORT_PDC ++ atmel_port->use_dma_rx = data->use_dma_rx; ++ atmel_port->use_dma_tx = data->use_dma_tx; ++#endif + } + + /* +diff -urN linux-2.6.20.4-0rig/drivers/spi/atmel_spi.c linux-2.6.20.4-atmel/drivers/spi/atmel_spi.c +--- linux-2.6.20.4-0rig/drivers/spi/atmel_spi.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/spi/atmel_spi.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,699 @@ ++/* ++ * Driver for Atmel AT32 and AT91 SPI Controllers ++ * ++ * Copyright (C) 2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/clk.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/delay.h> ++#include <linux/dma-mapping.h> ++#include <linux/err.h> ++#include <linux/interrupt.h> ++#include <linux/spi/spi.h> ++ ++#include <asm/io.h> ++#include <asm/arch/board.h> ++#include <asm/arch/gpio.h> ++ ++#ifdef CONFIG_ARCH_AT91 ++#include <asm/arch/cpu.h> ++#endif ++ ++#include "atmel_spi.h" ++ ++/* ++ * The core SPI transfer engine just talks to a register bank to set up ++ * DMA transfers; transfer queue progress is driven by IRQs. The clock ++ * framework provides the base clock, subdivided for each spi_device. ++ * ++ * Newer controllers, marked with "new_1" flag, have: ++ * - CR.LASTXFER ++ * - SPI_MR.DIV32 may become FDIV or must-be-zero (here: always zero) ++ * - SPI_SR.TXEMPTY, SPI_SR.NSSR (and corresponding irqs) ++ * - SPI_CSRx.CSAAT ++ * - SPI_CSRx.SBCR allows faster clocking ++ */ ++struct atmel_spi { ++ spinlock_t lock; ++ ++ void __iomem *regs; ++ int irq; ++ struct clk *clk; ++ struct platform_device *pdev; ++ unsigned new_1:1; ++ ++ u8 stopping; ++ struct list_head queue; ++ struct spi_transfer *current_transfer; ++ unsigned long remaining_bytes; ++ ++ void *buffer; ++ dma_addr_t buffer_dma; ++}; ++ ++#define BUFFER_SIZE PAGE_SIZE ++#define INVALID_DMA_ADDRESS 0xffffffff ++ ++/* ++ * Earlier SPI controllers (e.g. on at91rm9200) have a design bug whereby ++ * they assume that spi slave device state will not change on deselect, so ++ * that automagic deselection is OK. Not so! Workaround uses nCSx pins ++ * as GPIOs; or newer controllers have CSAAT and friends. ++ * ++ * Since the CSAAT functionality is a bit weird on newer controllers ++ * as well, we use GPIO to control nCSx pins on all controllers. ++ */ ++ ++static inline void cs_activate(struct spi_device *spi) ++{ ++ unsigned gpio = (unsigned) spi->controller_data; ++ unsigned active = spi->mode & SPI_CS_HIGH; ++ ++ dev_dbg(&spi->dev, "activate %u%s\n", gpio, active ? " (high)" : ""); ++#ifdef CONFIG_ARCH_AT91 ++ at91_set_gpio_value(gpio, active); ++#else ++ gpio_set_value(gpio, active); ++#endif ++} ++ ++static inline void cs_deactivate(struct spi_device *spi) ++{ ++ unsigned gpio = (unsigned) spi->controller_data; ++ unsigned active = spi->mode & SPI_CS_HIGH; ++ ++ dev_dbg(&spi->dev, "DEactivate %u%s\n", gpio, active ? " (low)" : ""); ++#ifdef CONFIG_ARCH_AT91 ++ at91_set_gpio_value(gpio, !active); ++#else ++ gpio_set_value(gpio, !active); ++#endif ++} ++ ++/* ++ * Submit next transfer for DMA. ++ * lock is held, spi irq is blocked ++ */ ++static void atmel_spi_next_xfer(struct spi_master *master, ++ struct spi_message *msg) ++{ ++ struct atmel_spi *as = spi_master_get_devdata(master); ++ struct spi_transfer *xfer; ++ u32 len; ++ dma_addr_t tx_dma, rx_dma; ++ ++ xfer = as->current_transfer; ++ if (!xfer || as->remaining_bytes == 0) { ++ if (xfer) ++ xfer = list_entry(xfer->transfer_list.next, ++ struct spi_transfer, transfer_list); ++ else ++ xfer = list_entry(msg->transfers.next, ++ struct spi_transfer, transfer_list); ++ as->remaining_bytes = xfer->len; ++ as->current_transfer = xfer; ++ } ++ ++ len = as->remaining_bytes; ++ ++ tx_dma = xfer->tx_dma; ++ rx_dma = xfer->rx_dma; ++ ++ /* use scratch buffer only when rx or tx data is unspecified */ ++ if (rx_dma == INVALID_DMA_ADDRESS) { ++ rx_dma = as->buffer_dma; ++ if (len > BUFFER_SIZE) ++ len = BUFFER_SIZE; ++ } ++ if (tx_dma == INVALID_DMA_ADDRESS) { ++ tx_dma = as->buffer_dma; ++ if (len > BUFFER_SIZE) ++ len = BUFFER_SIZE; ++ memset(as->buffer, 0, len); ++ dma_sync_single_for_device(&as->pdev->dev, ++ as->buffer_dma, len, DMA_TO_DEVICE); ++ } ++ ++ spi_writel(as, RPR, rx_dma); ++ spi_writel(as, TPR, tx_dma); ++ ++ as->remaining_bytes -= len; ++ if (msg->spi->bits_per_word > 8) ++ len >>= 1; ++ ++ /* REVISIT: when xfer->delay_usecs == 0, the PDC "next transfer" ++ * mechanism might help avoid the IRQ latency between transfers ++ * ++ * We're also waiting for ENDRX before we start the next ++ * transfer because we need to handle some difficult timing ++ * issues otherwise. If we wait for ENDTX in one transfer and ++ * then starts waiting for ENDRX in the next, it's difficult ++ * to tell the difference between the ENDRX interrupt we're ++ * actually waiting for and the ENDRX interrupt of the ++ * previous transfer. ++ * ++ * It should be doable, though. Just not now... ++ */ ++ spi_writel(as, TNCR, 0); ++ spi_writel(as, RNCR, 0); ++ spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES)); ++ ++ dev_dbg(&msg->spi->dev, ++ " start xfer %p: len %u tx %p/%08x rx %p/%08x imr %03x\n", ++ xfer, xfer->len, xfer->tx_buf, xfer->tx_dma, ++ xfer->rx_buf, xfer->rx_dma, spi_readl(as, IMR)); ++ ++ wmb(); ++ spi_writel(as, TCR, len); ++ spi_writel(as, RCR, len); ++ spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN)); ++} ++ ++static void atmel_spi_next_message(struct spi_master *master) ++{ ++ struct atmel_spi *as = spi_master_get_devdata(master); ++ struct spi_message *msg; ++ u32 mr; ++ ++ BUG_ON(as->current_transfer); ++ ++ msg = list_entry(as->queue.next, struct spi_message, queue); ++ ++ /* Select the chip */ ++ mr = spi_readl(as, MR); ++ mr = SPI_BFINS(PCS, ~(1 << msg->spi->chip_select), mr); ++ spi_writel(as, MR, mr); ++ cs_activate(msg->spi); ++ ++ atmel_spi_next_xfer(master, msg); ++} ++ ++static void ++atmel_spi_dma_map_xfer(struct atmel_spi *as, struct spi_transfer *xfer) ++{ ++ xfer->tx_dma = xfer->rx_dma = INVALID_DMA_ADDRESS; ++ if (xfer->tx_buf) ++ xfer->tx_dma = dma_map_single(&as->pdev->dev, ++ (void *) xfer->tx_buf, xfer->len, ++ DMA_TO_DEVICE); ++ if (xfer->rx_buf) ++ xfer->rx_dma = dma_map_single(&as->pdev->dev, ++ xfer->rx_buf, xfer->len, ++ DMA_FROM_DEVICE); ++} ++ ++static void atmel_spi_dma_unmap_xfer(struct spi_master *master, ++ struct spi_transfer *xfer) ++{ ++ if (xfer->tx_dma != INVALID_DMA_ADDRESS) ++ dma_unmap_single(master->cdev.dev, xfer->tx_dma, ++ xfer->len, DMA_TO_DEVICE); ++ if (xfer->rx_dma != INVALID_DMA_ADDRESS) ++ dma_unmap_single(master->cdev.dev, xfer->rx_dma, ++ xfer->len, DMA_FROM_DEVICE); ++} ++ ++static void ++atmel_spi_msg_done(struct spi_master *master, struct atmel_spi *as, ++ struct spi_message *msg, int status) ++{ ++ cs_deactivate(msg->spi); ++ list_del(&msg->queue); ++ msg->status = status; ++ ++ dev_dbg(master->cdev.dev, ++ "xfer complete: %u bytes transferred\n", ++ msg->actual_length); ++ ++ spin_unlock(&as->lock); ++ msg->complete(msg->context); ++ spin_lock(&as->lock); ++ ++ as->current_transfer = NULL; ++ ++ /* continue if needed */ ++ if (list_empty(&as->queue) || as->stopping) ++ spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); ++ else ++ atmel_spi_next_message(master); ++} ++ ++static irqreturn_t ++atmel_spi_interrupt(int irq, void *dev_id) ++{ ++ struct spi_master *master = dev_id; ++ struct atmel_spi *as = spi_master_get_devdata(master); ++ struct spi_message *msg; ++ struct spi_transfer *xfer; ++ u32 status, pending, imr; ++ int ret = IRQ_NONE; ++ ++ spin_lock(&as->lock); ++ ++ xfer = as->current_transfer; ++ msg = list_entry(as->queue.next, struct spi_message, queue); ++ ++ imr = spi_readl(as, IMR); ++ status = spi_readl(as, SR); ++ pending = status & imr; ++ ++ if (pending & SPI_BIT(OVRES)) { ++ int timeout; ++ ++ ret = IRQ_HANDLED; ++ ++ spi_writel(as, IDR, (SPI_BIT(ENDTX) | SPI_BIT(ENDRX) ++ | SPI_BIT(OVRES))); ++ ++ /* ++ * When we get an overrun, we disregard the current ++ * transfer. Data will not be copied back from any ++ * bounce buffer and msg->actual_len will not be ++ * updated with the last xfer. ++ * ++ * We will also not process any remaning transfers in ++ * the message. ++ * ++ * First, stop the transfer and unmap the DMA buffers. ++ */ ++ spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); ++ if (!msg->is_dma_mapped) ++ atmel_spi_dma_unmap_xfer(master, xfer); ++ ++ /* REVISIT: udelay in irq is unfriendly */ ++ if (xfer->delay_usecs) ++ udelay(xfer->delay_usecs); ++ ++ dev_warn(master->cdev.dev, "fifo overrun (%u/%u remaining)\n", ++ spi_readl(as, TCR), spi_readl(as, RCR)); ++ ++ /* ++ * Clean up DMA registers and make sure the data ++ * registers are empty. ++ */ ++ spi_writel(as, RNCR, 0); ++ spi_writel(as, TNCR, 0); ++ spi_writel(as, RCR, 0); ++ spi_writel(as, TCR, 0); ++ for (timeout = 1000; timeout; timeout--) ++ if (spi_readl(as, SR) & SPI_BIT(TXEMPTY)) ++ break; ++ if (!timeout) ++ dev_warn(master->cdev.dev, ++ "timeout waiting for TXEMPTY"); ++ while (spi_readl(as, SR) & SPI_BIT(RDRF)) ++ spi_readl(as, RDR); ++ ++ /* Clear any overrun happening while cleaning up */ ++ spi_readl(as, SR); ++ ++ atmel_spi_msg_done(master, as, msg, -EIO); ++ } else if (pending & SPI_BIT(ENDRX)) { ++ ret = IRQ_HANDLED; ++ ++ spi_writel(as, IDR, pending); ++ ++ if (as->remaining_bytes == 0) { ++ msg->actual_length += xfer->len; ++ ++ if (!msg->is_dma_mapped) ++ atmel_spi_dma_unmap_xfer(master, xfer); ++ ++ /* REVISIT: udelay in irq is unfriendly */ ++ if (xfer->delay_usecs) ++ udelay(xfer->delay_usecs); ++ ++ if (msg->transfers.prev == &xfer->transfer_list) { ++ /* report completed message */ ++ atmel_spi_msg_done(master, as, msg, 0); ++ } else { ++ if (xfer->cs_change) { ++ cs_deactivate(msg->spi); ++ udelay(1); ++ cs_activate(msg->spi); ++ } ++ ++ /* ++ * Not done yet. Submit the next transfer. ++ * ++ * FIXME handle protocol options for xfer ++ */ ++ atmel_spi_next_xfer(master, msg); ++ } ++ } else { ++ /* ++ * Keep going, we still have data to send in ++ * the current transfer. ++ */ ++ atmel_spi_next_xfer(master, msg); ++ } ++ } ++ ++ spin_unlock(&as->lock); ++ ++ return ret; ++} ++ ++#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH) ++ ++static int atmel_spi_setup(struct spi_device *spi) ++{ ++ struct atmel_spi *as; ++ u32 scbr, csr; ++ unsigned int bits = spi->bits_per_word; ++ unsigned long bus_hz, sck_hz; ++ unsigned int npcs_pin; ++ int ret; ++ ++ as = spi_master_get_devdata(spi->master); ++ ++ if (as->stopping) ++ return -ESHUTDOWN; ++ ++ if (spi->chip_select > spi->master->num_chipselect) { ++ dev_dbg(&spi->dev, ++ "setup: invalid chipselect %u (%u defined)\n", ++ spi->chip_select, spi->master->num_chipselect); ++ return -EINVAL; ++ } ++ ++ if (bits == 0) ++ bits = 8; ++ if (bits < 8 || bits > 16) { ++ dev_dbg(&spi->dev, ++ "setup: invalid bits_per_word %u (8 to 16)\n", ++ bits); ++ return -EINVAL; ++ } ++ ++ if (spi->mode & ~MODEBITS) { ++ dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n", ++ spi->mode & ~MODEBITS); ++ return -EINVAL; ++ } ++ ++ /* speed zero convention is used by some upper layers */ ++ bus_hz = clk_get_rate(as->clk); ++ if (spi->max_speed_hz) { ++ /* assume div32/fdiv/mbz == 0 */ ++ if (!as->new_1) ++ bus_hz /= 2; ++ scbr = ((bus_hz + spi->max_speed_hz - 1) ++ / spi->max_speed_hz); ++ if (scbr >= (1 << SPI_SCBR_SIZE)) { ++ dev_dbg(&spi->dev, "setup: %d Hz too slow, scbr %u\n", ++ spi->max_speed_hz, scbr); ++ return -EINVAL; ++ } ++ } else ++ scbr = 0xff; ++ sck_hz = bus_hz / scbr; ++ ++ csr = SPI_BF(SCBR, scbr) | SPI_BF(BITS, bits - 8); ++ if (spi->mode & SPI_CPOL) ++ csr |= SPI_BIT(CPOL); ++ if (!(spi->mode & SPI_CPHA)) ++ csr |= SPI_BIT(NCPHA); ++ ++ /* TODO: DLYBS and DLYBCT */ ++ csr |= SPI_BF(DLYBS, 10); ++ csr |= SPI_BF(DLYBCT, 10); ++ ++ /* chipselect must have been muxed as GPIO (e.g. in board setup) */ ++ npcs_pin = (unsigned int)spi->controller_data; ++ if (!spi->controller_state) { ++#ifndef CONFIG_ARCH_AT91 ++ ret = gpio_request(npcs_pin, "spi_npcs"); ++ if (ret) ++ return ret; ++#endif ++ spi->controller_state = (void *)npcs_pin; ++#ifdef CONFIG_ARCH_AT91 ++ at91_set_gpio_output(npcs_pin, 0); ++#else ++ gpio_direction_output(npcs_pin); ++#endif ++ } ++ ++ dev_dbg(&spi->dev, ++ "setup: %lu Hz bpw %u mode 0x%x -> csr%d %08x\n", ++ sck_hz, bits, spi->mode, spi->chip_select, csr); ++ ++ spi_writel(as, CSR0 + 4 * spi->chip_select, csr); ++ ++ return 0; ++} ++ ++static int atmel_spi_transfer(struct spi_device *spi, struct spi_message *msg) ++{ ++ struct atmel_spi *as; ++ struct spi_transfer *xfer; ++ unsigned long flags; ++ struct device *controller = spi->master->cdev.dev; ++ ++ as = spi_master_get_devdata(spi->master); ++ ++ dev_dbg(controller, "new message %p submitted for %s\n", ++ msg, spi->dev.bus_id); ++ ++ if (unlikely(list_empty(&msg->transfers) ++ || !spi->max_speed_hz)) ++ return -EINVAL; ++ ++ if (as->stopping) ++ return -ESHUTDOWN; ++ ++ list_for_each_entry(xfer, &msg->transfers, transfer_list) { ++ if (!(xfer->tx_buf || xfer->rx_buf)) { ++ dev_dbg(&spi->dev, "missing rx or tx buf\n"); ++ return -EINVAL; ++ } ++ ++ /* FIXME implement these protocol options!! */ ++ if (xfer->bits_per_word || xfer->speed_hz) { ++ dev_dbg(&spi->dev, "no protocol options yet\n"); ++ return -ENOPROTOOPT; ++ } ++ } ++ ++ /* scrub dcache "early" */ ++ if (!msg->is_dma_mapped) { ++ list_for_each_entry(xfer, &msg->transfers, transfer_list) ++ atmel_spi_dma_map_xfer(as, xfer); ++ } ++ ++ list_for_each_entry(xfer, &msg->transfers, transfer_list) { ++ dev_dbg(controller, ++ " xfer %p: len %u tx %p/%08x rx %p/%08x\n", ++ xfer, xfer->len, ++ xfer->tx_buf, xfer->tx_dma, ++ xfer->rx_buf, xfer->rx_dma); ++ } ++ ++ msg->status = -EINPROGRESS; ++ msg->actual_length = 0; ++ ++ spin_lock_irqsave(&as->lock, flags); ++ list_add_tail(&msg->queue, &as->queue); ++ if (!as->current_transfer) ++ atmel_spi_next_message(spi->master); ++ spin_unlock_irqrestore(&as->lock, flags); ++ ++ return 0; ++} ++ ++static void atmel_spi_cleanup(const struct spi_device *spi) ++{ ++#ifndef CONFIG_ARCH_AT91 ++ if (spi->controller_state) ++ gpio_free((unsigned int)spi->controller_data); ++#endif ++} ++ ++/*-------------------------------------------------------------------------*/ ++ ++static int __init atmel_spi_probe(struct platform_device *pdev) ++{ ++ struct resource *regs; ++ int irq; ++ struct clk *clk; ++ int ret; ++ struct spi_master *master; ++ struct atmel_spi *as; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return irq; ++ ++ clk = clk_get(&pdev->dev, "spi_clk"); ++ if (IS_ERR(clk)) ++ return PTR_ERR(clk); ++ ++ /* setup spi core then atmel-specific driver state */ ++ ret = -ENOMEM; ++ master = spi_alloc_master(&pdev->dev, sizeof *as); ++ if (!master) ++ goto out_free; ++ ++ master->bus_num = pdev->id; ++ master->num_chipselect = 4; ++ master->setup = atmel_spi_setup; ++ master->transfer = atmel_spi_transfer; ++ master->cleanup = atmel_spi_cleanup; ++ platform_set_drvdata(pdev, master); ++ ++ as = spi_master_get_devdata(master); ++ ++ as->buffer = dma_alloc_coherent(&pdev->dev, BUFFER_SIZE, ++ &as->buffer_dma, GFP_KERNEL); ++ if (!as->buffer) ++ goto out_free; ++ ++ spin_lock_init(&as->lock); ++ INIT_LIST_HEAD(&as->queue); ++ as->pdev = pdev; ++ as->regs = ioremap(regs->start, (regs->end - regs->start) + 1); ++ if (!as->regs) ++ goto out_free_buffer; ++ as->irq = irq; ++ as->clk = clk; ++#ifdef CONFIG_ARCH_AT91 ++ if (!cpu_is_at91rm9200()) ++ as->new_1 = 1; ++#endif ++ ++ ret = request_irq(irq, atmel_spi_interrupt, 0, ++ pdev->dev.bus_id, master); ++ if (ret) ++ goto out_unmap_regs; ++ ++ /* Initialize the hardware */ ++ clk_enable(clk); ++ spi_writel(as, CR, SPI_BIT(SWRST)); ++ spi_writel(as, MR, SPI_BIT(MSTR) | SPI_BIT(MODFDIS)); ++ spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); ++ spi_writel(as, CR, SPI_BIT(SPIEN)); ++ ++ /* go! */ ++ dev_info(&pdev->dev, "Atmel SPI Controller at 0x%08lx (irq %d)\n", ++ (unsigned long)regs->start, irq); ++ ++ ret = spi_register_master(master); ++ if (ret) ++ goto out_reset_hw; ++ ++ return 0; ++ ++out_reset_hw: ++ spi_writel(as, CR, SPI_BIT(SWRST)); ++ clk_disable(clk); ++ free_irq(irq, master); ++out_unmap_regs: ++ iounmap(as->regs); ++out_free_buffer: ++ dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer, ++ as->buffer_dma); ++out_free: ++ clk_put(clk); ++ spi_master_put(master); ++ return ret; ++} ++ ++static int __exit atmel_spi_remove(struct platform_device *pdev) ++{ ++ struct spi_master *master = platform_get_drvdata(pdev); ++ struct atmel_spi *as = spi_master_get_devdata(master); ++ struct spi_message *msg; ++ ++ /* reset the hardware and block queue progress */ ++ spin_lock_irq(&as->lock); ++ as->stopping = 1; ++ spi_writel(as, CR, SPI_BIT(SWRST)); ++ spi_readl(as, SR); ++ spin_unlock_irq(&as->lock); ++ ++ /* Terminate remaining queued transfers */ ++ list_for_each_entry(msg, &as->queue, queue) { ++ /* REVISIT unmapping the dma is a NOP on ARM and AVR32 ++ * but we shouldn't depend on that... ++ */ ++ msg->status = -ESHUTDOWN; ++ msg->complete(msg->context); ++ } ++ ++ dma_free_coherent(&pdev->dev, BUFFER_SIZE, as->buffer, ++ as->buffer_dma); ++ ++ clk_disable(as->clk); ++ clk_put(as->clk); ++ free_irq(as->irq, master); ++ iounmap(as->regs); ++ ++ spi_unregister_master(master); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++ ++static int atmel_spi_suspend(struct platform_device *pdev, pm_message_t mesg) ++{ ++ struct spi_master *master = platform_get_drvdata(pdev); ++ struct atmel_spi *as = spi_master_get_devdata(master); ++ ++ clk_disable(as->clk); ++ return 0; ++} ++ ++static int atmel_spi_resume(struct platform_device *pdev) ++{ ++ struct spi_master *master = platform_get_drvdata(pdev); ++ struct atmel_spi *as = spi_master_get_devdata(master); ++ ++ clk_enable(as->clk); ++ return 0; ++} ++ ++#else ++#define atmel_spi_suspend NULL ++#define atmel_spi_resume NULL ++#endif ++ ++ ++static struct platform_driver atmel_spi_driver = { ++ .driver = { ++ .name = "atmel_spi", ++ .owner = THIS_MODULE, ++ }, ++ .suspend = atmel_spi_suspend, ++ .resume = atmel_spi_resume, ++ .remove = __exit_p(atmel_spi_remove), ++}; ++ ++static int __init atmel_spi_init(void) ++{ ++ return platform_driver_probe(&atmel_spi_driver, atmel_spi_probe); ++} ++module_init(atmel_spi_init); ++ ++static void __exit atmel_spi_exit(void) ++{ ++ platform_driver_unregister(&atmel_spi_driver); ++} ++module_exit(atmel_spi_exit); ++ ++MODULE_DESCRIPTION("Atmel AT32/AT91 SPI Controller driver"); ++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/spi/atmel_spi.h linux-2.6.20.4-atmel/drivers/spi/atmel_spi.h +--- linux-2.6.20.4-0rig/drivers/spi/atmel_spi.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/spi/atmel_spi.h 2007-03-24 16:43:57.000000000 +0100 +@@ -0,0 +1,167 @@ ++/* ++ * Register definitions for Atmel Serial Peripheral Interface (SPI) ++ * ++ * Copyright (C) 2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __ATMEL_SPI_H__ ++#define __ATMEL_SPI_H__ ++ ++/* SPI register offsets */ ++#define SPI_CR 0x0000 ++#define SPI_MR 0x0004 ++#define SPI_RDR 0x0008 ++#define SPI_TDR 0x000c ++#define SPI_SR 0x0010 ++#define SPI_IER 0x0014 ++#define SPI_IDR 0x0018 ++#define SPI_IMR 0x001c ++#define SPI_CSR0 0x0030 ++#define SPI_CSR1 0x0034 ++#define SPI_CSR2 0x0038 ++#define SPI_CSR3 0x003c ++#define SPI_RPR 0x0100 ++#define SPI_RCR 0x0104 ++#define SPI_TPR 0x0108 ++#define SPI_TCR 0x010c ++#define SPI_RNPR 0x0110 ++#define SPI_RNCR 0x0114 ++#define SPI_TNPR 0x0118 ++#define SPI_TNCR 0x011c ++#define SPI_PTCR 0x0120 ++#define SPI_PTSR 0x0124 ++ ++/* Bitfields in CR */ ++#define SPI_SPIEN_OFFSET 0 ++#define SPI_SPIEN_SIZE 1 ++#define SPI_SPIDIS_OFFSET 1 ++#define SPI_SPIDIS_SIZE 1 ++#define SPI_SWRST_OFFSET 7 ++#define SPI_SWRST_SIZE 1 ++#define SPI_LASTXFER_OFFSET 24 ++#define SPI_LASTXFER_SIZE 1 ++ ++/* Bitfields in MR */ ++#define SPI_MSTR_OFFSET 0 ++#define SPI_MSTR_SIZE 1 ++#define SPI_PS_OFFSET 1 ++#define SPI_PS_SIZE 1 ++#define SPI_PCSDEC_OFFSET 2 ++#define SPI_PCSDEC_SIZE 1 ++#define SPI_FDIV_OFFSET 3 ++#define SPI_FDIV_SIZE 1 ++#define SPI_MODFDIS_OFFSET 4 ++#define SPI_MODFDIS_SIZE 1 ++#define SPI_LLB_OFFSET 7 ++#define SPI_LLB_SIZE 1 ++#define SPI_PCS_OFFSET 16 ++#define SPI_PCS_SIZE 4 ++#define SPI_DLYBCS_OFFSET 24 ++#define SPI_DLYBCS_SIZE 8 ++ ++/* Bitfields in RDR */ ++#define SPI_RD_OFFSET 0 ++#define SPI_RD_SIZE 16 ++ ++/* Bitfields in TDR */ ++#define SPI_TD_OFFSET 0 ++#define SPI_TD_SIZE 16 ++ ++/* Bitfields in SR */ ++#define SPI_RDRF_OFFSET 0 ++#define SPI_RDRF_SIZE 1 ++#define SPI_TDRE_OFFSET 1 ++#define SPI_TDRE_SIZE 1 ++#define SPI_MODF_OFFSET 2 ++#define SPI_MODF_SIZE 1 ++#define SPI_OVRES_OFFSET 3 ++#define SPI_OVRES_SIZE 1 ++#define SPI_ENDRX_OFFSET 4 ++#define SPI_ENDRX_SIZE 1 ++#define SPI_ENDTX_OFFSET 5 ++#define SPI_ENDTX_SIZE 1 ++#define SPI_RXBUFF_OFFSET 6 ++#define SPI_RXBUFF_SIZE 1 ++#define SPI_TXBUFE_OFFSET 7 ++#define SPI_TXBUFE_SIZE 1 ++#define SPI_NSSR_OFFSET 8 ++#define SPI_NSSR_SIZE 1 ++#define SPI_TXEMPTY_OFFSET 9 ++#define SPI_TXEMPTY_SIZE 1 ++#define SPI_SPIENS_OFFSET 16 ++#define SPI_SPIENS_SIZE 1 ++ ++/* Bitfields in CSR0 */ ++#define SPI_CPOL_OFFSET 0 ++#define SPI_CPOL_SIZE 1 ++#define SPI_NCPHA_OFFSET 1 ++#define SPI_NCPHA_SIZE 1 ++#define SPI_CSAAT_OFFSET 3 ++#define SPI_CSAAT_SIZE 1 ++#define SPI_BITS_OFFSET 4 ++#define SPI_BITS_SIZE 4 ++#define SPI_SCBR_OFFSET 8 ++#define SPI_SCBR_SIZE 8 ++#define SPI_DLYBS_OFFSET 16 ++#define SPI_DLYBS_SIZE 8 ++#define SPI_DLYBCT_OFFSET 24 ++#define SPI_DLYBCT_SIZE 8 ++ ++/* Bitfields in RCR */ ++#define SPI_RXCTR_OFFSET 0 ++#define SPI_RXCTR_SIZE 16 ++ ++/* Bitfields in TCR */ ++#define SPI_TXCTR_OFFSET 0 ++#define SPI_TXCTR_SIZE 16 ++ ++/* Bitfields in RNCR */ ++#define SPI_RXNCR_OFFSET 0 ++#define SPI_RXNCR_SIZE 16 ++ ++/* Bitfields in TNCR */ ++#define SPI_TXNCR_OFFSET 0 ++#define SPI_TXNCR_SIZE 16 ++ ++/* Bitfields in PTCR */ ++#define SPI_RXTEN_OFFSET 0 ++#define SPI_RXTEN_SIZE 1 ++#define SPI_RXTDIS_OFFSET 1 ++#define SPI_RXTDIS_SIZE 1 ++#define SPI_TXTEN_OFFSET 8 ++#define SPI_TXTEN_SIZE 1 ++#define SPI_TXTDIS_OFFSET 9 ++#define SPI_TXTDIS_SIZE 1 ++ ++/* Constants for BITS */ ++#define SPI_BITS_8_BPT 0 ++#define SPI_BITS_9_BPT 1 ++#define SPI_BITS_10_BPT 2 ++#define SPI_BITS_11_BPT 3 ++#define SPI_BITS_12_BPT 4 ++#define SPI_BITS_13_BPT 5 ++#define SPI_BITS_14_BPT 6 ++#define SPI_BITS_15_BPT 7 ++#define SPI_BITS_16_BPT 8 ++ ++/* Bit manipulation macros */ ++#define SPI_BIT(name) \ ++ (1 << SPI_##name##_OFFSET) ++#define SPI_BF(name,value) \ ++ (((value) & ((1 << SPI_##name##_SIZE) - 1)) << SPI_##name##_OFFSET) ++#define SPI_BFEXT(name,value) \ ++ (((value) >> SPI_##name##_OFFSET) & ((1 << SPI_##name##_SIZE) - 1)) ++#define SPI_BFINS(name,value,old) \ ++ ( ((old) & ~(((1 << SPI_##name##_SIZE) - 1) << SPI_##name##_OFFSET)) \ ++ | SPI_BF(name,value)) ++ ++/* Register access macros */ ++#define spi_readl(port,reg) \ ++ __raw_readl((port)->regs + SPI_##reg) ++#define spi_writel(port,reg,value) \ ++ __raw_writel((value), (port)->regs + SPI_##reg) ++ ++#endif /* __ATMEL_SPI_H__ */ +diff -urN linux-2.6.20.4-0rig/drivers/spi/Kconfig linux-2.6.20.4-atmel/drivers/spi/Kconfig +--- linux-2.6.20.4-0rig/drivers/spi/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/spi/Kconfig 2007-03-24 16:43:49.000000000 +0100 +@@ -51,6 +51,21 @@ + comment "SPI Master Controller Drivers" + depends on SPI_MASTER + ++config SPI_ATMEL ++ tristate "Atmel SPI Controller" ++ depends on (ARCH_AT91 || AVR32) && SPI_MASTER ++ select SPI_AT91_MANUAL_CS if ARCH_AT91RM9200 ++ help ++ This selects a driver for the Atmel SPI Controller, present on ++ many AT32 (AVR32) and AT91 (ARM) chips. ++ ++config SPI_ATMEL ++ tristate "Atmel SPI Controller" ++ depends on (ARCH_AT91 || AVR32) && SPI_MASTER ++ help ++ This selects a driver for the Atmel SPI Controller, present on ++ many AT32 (AVR32) and AT91 (ARM) chips. ++ + config SPI_BITBANG + tristate "Bitbanging SPI master" + depends on SPI_MASTER && EXPERIMENTAL +@@ -75,6 +90,24 @@ + inexpensive battery powered microcontroller evaluation board. + This same cable can be used to flash new firmware. + ++config SPI_AT91 ++ tristate "AT91RM9200 Bitbang SPI Master" ++ depends on SPI_MASTER && ARCH_AT91RM9200 && !SPI_ATMEL && EXPERIMENTAL ++ select SPI_BITBANG ++ select SPI_AT91_MANUAL_CS ++ help ++ This is dumb PIO bitbanging driver for the Atmel AT91RM9200. ++ The SPI_ATMEL driver will be its replacement, using the native ++ SPI hardware and its DMA controller. ++ ++config SPI_AT91_MANUAL_CS ++ bool ++ depends on ARCH_AT91RM9200 ++ help ++ Works around an AT91RM9200 problem whereby the SPI chip-select ++ will be wrongly disabled. The workaround uses those pins as ++ GPIOs instead of letting the SPI controller manage them. ++ + config SPI_MPC83xx + tristate "Freescale MPC83xx SPI controller" + depends on SPI_MASTER && PPC_83xx && EXPERIMENTAL +diff -urN linux-2.6.20.4-0rig/drivers/spi/Makefile linux-2.6.20.4-atmel/drivers/spi/Makefile +--- linux-2.6.20.4-0rig/drivers/spi/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/spi/Makefile 2007-03-24 16:39:15.000000000 +0100 +@@ -12,11 +12,14 @@ + + # SPI master controller drivers (bus) + obj-$(CONFIG_SPI_BITBANG) += spi_bitbang.o ++obj-$(CONFIG_SPI_ATMEL) += atmel_spi.o + obj-$(CONFIG_SPI_BUTTERFLY) += spi_butterfly.o + obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o + obj-$(CONFIG_SPI_MPC83xx) += spi_mpc83xx.o + obj-$(CONFIG_SPI_S3C24XX_GPIO) += spi_s3c24xx_gpio.o + obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24xx.o ++obj-$(CONFIG_SPI_AT91) += spi_at91_bitbang.o ++obj-$(CONFIG_SPI_ATMEL) += atmel_spi.o + # ... add above this line ... + + # SPI protocol drivers (device/link on bus) +diff -urN linux-2.6.20.4-0rig/drivers/spi/spi_at91_bitbang.c linux-2.6.20.4-atmel/drivers/spi/spi_at91_bitbang.c +--- linux-2.6.20.4-0rig/drivers/spi/spi_at91_bitbang.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/spi/spi_at91_bitbang.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,207 @@ ++/* ++ * at91_spi.c - at91 SPI driver (BOOTSTRAP/BITBANG VERSION) ++ * ++ * Copyright (C) 2006 David Brownell ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ++ */ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/platform_device.h> ++ ++#include <linux/spi/spi.h> ++#include <linux/spi/spi_bitbang.h> ++ ++#include <asm/arch/gpio.h> ++ ++ ++/* ++ * FIXME this bitbanging version is just to help bootstrap systems until ++ * there's a native SPI+IRQ+DMA controller driver ... such a driver should ++ * be a drop-in replacement for this one, and much faster. ++ * ++ * remember: ++ * ++ * - other at91 parts (like at91sam9) have multiple controllers ++ * and different pin muxing; this version is at91rm9200 specfic. ++ * ++ * - at91sam9261 SPI0 pins are directly muxed with MMC/SD pins. ++ * ++ * - rm9200 spi chipselects drop wrongly, so the native driver ++ * will need to use gpios much like this does. ++ * ++ * - real hardware only allows 8..16 bits per word, while this ++ * bitbanger allows 1..32 (incompatible superset). ++ * ++ * - this disregards clock parameters. with inlined gpio calls, ++ * gcc 3.4.4 produces about 1.5 mbit/sec, more than 2x faster ++ * than using the subroutined veresion from txrx_word(). ++ * ++ * - suspend/resume and <linux/clk.h> support is missing ... ++ */ ++ ++#define spi_miso_bit AT91_PIN_PA0 ++#define spi_mosi_bit AT91_PIN_PA1 ++#define spi_sck_bit AT91_PIN_PA2 ++ ++struct at91_spi { ++ struct spi_bitbang bitbang; ++ struct platform_device *pdev; ++}; ++ ++/*----------------------------------------------------------------------*/ ++ ++static inline void setsck(struct spi_device *spi, int is_on) ++{ ++ at91_set_gpio_value(spi_sck_bit, is_on); ++} ++ ++static inline void setmosi(struct spi_device *spi, int is_on) ++{ ++ at91_set_gpio_value(spi_mosi_bit, is_on); ++} ++ ++static inline int getmiso(struct spi_device *spi) ++{ ++ return at91_get_gpio_value(spi_miso_bit); ++} ++ ++static void at91_spi_chipselect(struct spi_device *spi, int is_active) ++{ ++ unsigned long cs = (unsigned long) spi->controller_data; ++ ++ /* set default clock polarity */ ++ if (is_active) ++ setsck(spi, spi->mode & SPI_CPOL); ++ ++ /* only support active-low (default) */ ++ at91_set_gpio_value(cs, !is_active); ++} ++ ++/* ++ * NOTE: this is "as fast as we can"; it should be a function of ++ * the device clock ... ++ */ ++#define spidelay(X) do{} while(0) ++ ++#define EXPAND_BITBANG_TXRX ++#include <linux/spi/spi_bitbang.h> ++ ++static u32 at91_spi_txrx_word_mode0(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha0(spi, nsecs, 0, word, 8); ++} ++ ++static u32 at91_spi_txrx_word_mode1(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, 8); ++} ++ ++static u32 at91_spi_txrx_word_mode2(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha0(spi, nsecs, 1, word, 8); ++} ++ ++static u32 at91_spi_txrx_word_mode3(struct spi_device *spi, ++ unsigned nsecs, u32 word, u8 bits) ++{ ++ return bitbang_txrx_be_cpha1(spi, nsecs, 1, word, 8); ++} ++ ++/*----------------------------------------------------------------------*/ ++ ++static int __init at91_spi_probe(struct platform_device *pdev) ++{ ++ int status; ++ struct spi_master *master; ++ struct at91_spi *at91_spi; ++ ++ if (pdev->id != 0) /* SPI0 bus */ ++ return -EINVAL; ++ ++ master = spi_alloc_master(&pdev->dev, sizeof *at91_spi); ++ if (!master) ++ return -ENOMEM; ++ ++ at91_spi = spi_master_get_devdata(master); ++ at91_spi->pdev = pdev; ++ platform_set_drvdata(pdev, at91_spi); ++ ++ /* SPI and bitbang hookup */ ++ master->bus_num = 0; ++ master->num_chipselect = 4; ++ ++ at91_spi->bitbang.master = spi_master_get(master); ++ at91_spi->bitbang.chipselect = at91_spi_chipselect; ++ at91_spi->bitbang.txrx_word[SPI_MODE_0] = at91_spi_txrx_word_mode0; ++ at91_spi->bitbang.txrx_word[SPI_MODE_1] = at91_spi_txrx_word_mode1; ++ at91_spi->bitbang.txrx_word[SPI_MODE_2] = at91_spi_txrx_word_mode2; ++ at91_spi->bitbang.txrx_word[SPI_MODE_3] = at91_spi_txrx_word_mode3; ++ ++ status = spi_bitbang_start(&at91_spi->bitbang); ++ if (status < 0) ++ (void) spi_master_put(at91_spi->bitbang.master); ++ ++ return status; ++} ++ ++static int __exit at91_spi_remove(struct platform_device *pdev) ++{ ++ struct at91_spi *at91_spi = platform_get_drvdata(pdev); ++ int status; ++ ++ /* stop() unregisters child devices too */ ++ status = spi_bitbang_stop(&at91_spi->bitbang); ++ (void) spi_master_put(at91_spi->bitbang.master); ++ ++ platform_set_drvdata(pdev, NULL); ++ return status; ++} ++ ++static struct platform_driver at91_spi_driver = { ++ .probe = at91_spi_probe, ++ .remove = __exit_p(at91_spi_remove), ++ .driver = { ++ .name = "at91_spi", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init at91_spi_init(void) ++{ ++ at91_set_gpio_output(spi_sck_bit, 0); ++ at91_set_gpio_output(spi_mosi_bit, 0); ++ at91_set_gpio_input(spi_miso_bit, 1 /* pullup */); ++ ++ /* register driver */ ++ return platform_driver_register(&at91_spi_driver); ++} ++ ++static void __exit at91_spi_exit(void) ++{ ++ platform_driver_unregister(&at91_spi_driver); ++} ++ ++device_initcall(at91_spi_init); ++module_exit(at91_spi_exit); ++ ++MODULE_ALIAS("at91_spi.0"); ++ ++MODULE_DESCRIPTION("AT91 SPI support (BOOTSTRAP/BITBANG VERSION)"); ++MODULE_AUTHOR("David Brownell"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/at91_udc.c linux-2.6.20.4-atmel/drivers/usb/gadget/at91_udc.c +--- linux-2.6.20.4-0rig/drivers/usb/gadget/at91_udc.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/at91_udc.c 2007-03-24 16:39:15.000000000 +0100 +@@ -287,8 +287,8 @@ + ep->stopped = stopped; + + /* ep0 is always ready; other endpoints need a non-empty queue */ +- if (list_empty(&ep->queue) && ep->int_mask != (1 << 0)) +- at91_udp_write(udc, AT91_UDP_IDR, ep->int_mask); ++ if (list_empty(&ep->queue) && (ep->id != 0)) ++ at91_udp_write(udc, AT91_UDP_IDR, 1 << ep->id); + } + + /*-------------------------------------------------------------------------*/ +@@ -541,7 +541,7 @@ + * reset/init endpoint fifo. NOTE: leaves fifo_bank alone, + * since endpoint resets don't reset hw pingpong state. + */ +- at91_udp_write(dev, AT91_UDP_RST_EP, ep->int_mask); ++ at91_udp_write(dev, AT91_UDP_RST_EP, 1 << ep->id); + at91_udp_write(dev, AT91_UDP_RST_EP, 0); + + local_irq_restore(flags); +@@ -567,7 +567,7 @@ + + /* reset fifos and endpoint */ + if (ep->udc->clocked) { +- at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); ++ at91_udp_write(udc, AT91_UDP_RST_EP, 1 << ep->id); + at91_udp_write(udc, AT91_UDP_RST_EP, 0); + __raw_writel(0, ep->creg); + } +@@ -715,7 +715,7 @@ + + if (req && !status) { + list_add_tail (&req->queue, &ep->queue); +- at91_udp_write(dev, AT91_UDP_IER, ep->int_mask); ++ at91_udp_write(dev, AT91_UDP_IER, 1 << ep->id); + } + done: + local_irq_restore(flags); +@@ -774,7 +774,7 @@ + csr |= AT91_UDP_FORCESTALL; + VDBG("halt %s\n", ep->ep.name); + } else { +- at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); ++ at91_udp_write(udc, AT91_UDP_RST_EP, 1 << ep->id); + at91_udp_write(udc, AT91_UDP_RST_EP, 0); + csr &= ~AT91_UDP_FORCESTALL; + } +@@ -913,14 +913,15 @@ + at91_udp_write(udc, AT91_UDP_TXVC, 0); + if (cpu_is_at91rm9200()) + at91_set_gpio_value(udc->board.pullup_pin, 1); +- else if (cpu_is_at91sam9260()) { ++ else if (cpu_is_at91sam9260() || cpu_is_at91sam9263()) { + u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC); +- ++ + txvc |= AT91_UDP_TXVC_PUON; + at91_udp_write(udc, AT91_UDP_TXVC, txvc); +- } else if (cpu_is_at91sam9261()) { ++ } ++ else if (cpu_is_at91sam9261()) { + u32 usbpucr; +- ++ + usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR); + usbpucr |= AT91_MATRIX_USBPUCR_PUON; + at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr); +@@ -928,20 +929,20 @@ + } else { + stop_activity(udc); + at91_udp_write(udc, AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS); +- if (cpu_is_at91rm9200()) +- at91_set_gpio_value(udc->board.pullup_pin, 0); +- else if (cpu_is_at91sam9260()) { +- u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC); +- +- txvc &= ~AT91_UDP_TXVC_PUON; +- at91_udp_write(udc, AT91_UDP_TXVC, txvc); +- } else if (cpu_is_at91sam9261()) { +- u32 usbpucr; +- +- usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR); +- usbpucr &= ~AT91_MATRIX_USBPUCR_PUON; +- at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr); +- } ++ if (cpu_is_at91rm9200()) ++ at91_set_gpio_value(udc->board.pullup_pin, 0); ++ else if (cpu_is_at91sam9260() || cpu_is_at91sam9263()) { ++ u32 txvc = at91_udp_read(udc, AT91_UDP_TXVC); ++ ++ txvc &= ~AT91_UDP_TXVC_PUON; ++ at91_udp_write(udc, AT91_UDP_TXVC, txvc); ++ } else if (cpu_is_at91sam9261()) { ++ u32 usbpucr; ++ ++ usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR); ++ usbpucr &= ~AT91_MATRIX_USBPUCR_PUON; ++ at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr); ++ } + clk_off(udc); + } + } +@@ -1228,7 +1229,7 @@ + } else if (ep->is_in) + goto stall; + +- at91_udp_write(udc, AT91_UDP_RST_EP, ep->int_mask); ++ at91_udp_write(udc, AT91_UDP_RST_EP, 1 << ep->id); + at91_udp_write(udc, AT91_UDP_RST_EP, 0); + tmp = __raw_readl(ep->creg); + tmp |= CLR_FX; +@@ -1504,15 +1505,16 @@ + } + }, + .ep[0] = { ++ .id = 0, + .ep = { + .name = ep0name, + .ops = &at91_ep_ops, + }, + .udc = &controller, + .maxpacket = 8, +- .int_mask = 1 << 0, + }, + .ep[1] = { ++ .id = 1, + .ep = { + .name = "ep1", + .ops = &at91_ep_ops, +@@ -1520,9 +1522,9 @@ + .udc = &controller, + .is_pingpong = 1, + .maxpacket = 64, +- .int_mask = 1 << 1, + }, + .ep[2] = { ++ .id = 2, + .ep = { + .name = "ep2", + .ops = &at91_ep_ops, +@@ -1530,9 +1532,9 @@ + .udc = &controller, + .is_pingpong = 1, + .maxpacket = 64, +- .int_mask = 1 << 2, + }, + .ep[3] = { ++ .id = 3, + .ep = { + /* could actually do bulk too */ + .name = "ep3-int", +@@ -1540,9 +1542,9 @@ + }, + .udc = &controller, + .maxpacket = 8, +- .int_mask = 1 << 3, + }, + .ep[4] = { ++ .id = 4, + .ep = { + .name = "ep4", + .ops = &at91_ep_ops, +@@ -1550,9 +1552,9 @@ + .udc = &controller, + .is_pingpong = 1, + .maxpacket = 256, +- .int_mask = 1 << 4, + }, + .ep[5] = { ++ .id = 5, + .ep = { + .name = "ep5", + .ops = &at91_ep_ops, +@@ -1560,7 +1562,6 @@ + .udc = &controller, + .is_pingpong = 1, + .maxpacket = 256, +- .int_mask = 1 << 5, + }, + /* ep6 and ep7 are also reserved (custom silicon might use them) */ + }; +@@ -1679,9 +1680,7 @@ + if (!res) + return -ENXIO; + +- if (!request_mem_region(res->start, +- res->end - res->start + 1, +- driver_name)) { ++ if (!request_mem_region(res->start, res->end - res->start + 1, driver_name)) { + DBG("someone's using UDC memory\n"); + return -EBUSY; + } +@@ -1807,16 +1806,13 @@ + || !wake + || at91_suspend_entering_slow_clock()) { + pullup(udc, 0); +- disable_irq_wake(udc->udp_irq); ++ wake = 0; + } else + enable_irq_wake(udc->udp_irq); + +- if (udc->board.vbus_pin > 0) { +- if (wake) +- enable_irq_wake(udc->board.vbus_pin); +- else +- disable_irq_wake(udc->board.vbus_pin); +- } ++ udc->active_suspend = wake; ++ if (udc->board.vbus_pin > 0 && wake) ++ enable_irq_wake(udc->board.vbus_pin); + return 0; + } + +@@ -1824,8 +1820,14 @@ + { + struct at91_udc *udc = platform_get_drvdata(pdev); + ++ if (udc->board.vbus_pin > 0 && udc->active_suspend) ++ disable_irq_wake(udc->board.vbus_pin); ++ + /* maybe reconnect to host; if so, clocks on */ +- pullup(udc, 1); ++ if (udc->active_suspend) ++ disable_irq_wake(udc->udp_irq); ++ else ++ pullup(udc, 1); + return 0; + } + #else +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/at91_udc.h linux-2.6.20.4-atmel/drivers/usb/gadget/at91_udc.h +--- linux-2.6.20.4-0rig/drivers/usb/gadget/at91_udc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/at91_udc.h 2007-03-24 16:39:15.000000000 +0100 +@@ -105,10 +105,10 @@ + struct usb_ep ep; + struct list_head queue; + struct at91_udc *udc; ++ u8 id; + void __iomem *creg; + + unsigned maxpacket:16; +- u8 int_mask; + unsigned is_pingpong:1; + + unsigned stopped:1; +@@ -136,6 +136,7 @@ + unsigned wait_for_addr_ack:1; + unsigned wait_for_config_ack:1; + unsigned selfpowered:1; ++ unsigned active_suspend:1; + u8 addr; + struct at91_udc_data board; + struct clk *iclk, *fclk; +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/ether.c linux-2.6.20.4-atmel/drivers/usb/gadget/ether.c +--- linux-2.6.20.4-0rig/drivers/usb/gadget/ether.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/ether.c 2007-03-24 16:42:28.000000000 +0100 +@@ -266,6 +266,10 @@ + #define DEV_CONFIG_CDC + #endif + ++#ifdef CONFIG_USB_GADGET_HUSB2DEV ++#define DEV_CONFIG_CDC ++#endif ++ + + /* For CDC-incapable hardware, choose the simple cdc subset. + * Anything that talks bulk (without notable bugs) can do this. +@@ -428,7 +432,7 @@ + #define DEV_RNDIS_CONFIG_VALUE 2 /* rndis; optional */ + + static struct usb_device_descriptor +-device_desc = { ++device_desc __attribute__((aligned(2))) = { + .bLength = sizeof device_desc, + .bDescriptorType = USB_DT_DEVICE, + +@@ -454,7 +458,7 @@ + }; + + static struct usb_config_descriptor +-eth_config = { ++eth_config __attribute__((aligned(2))) = { + .bLength = sizeof eth_config, + .bDescriptorType = USB_DT_CONFIG, + +@@ -468,7 +472,7 @@ + + #ifdef CONFIG_USB_ETH_RNDIS + static struct usb_config_descriptor +-rndis_config = { ++rndis_config __attribute__((aligned(2))) = { + .bLength = sizeof rndis_config, + .bDescriptorType = USB_DT_CONFIG, + +@@ -493,7 +497,7 @@ + + #ifdef DEV_CONFIG_CDC + static struct usb_interface_descriptor +-control_intf = { ++control_intf __attribute__((aligned(2))) = { + .bLength = sizeof control_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -509,7 +513,7 @@ + + #ifdef CONFIG_USB_ETH_RNDIS + static const struct usb_interface_descriptor +-rndis_control_intf = { ++rndis_control_intf __attribute__((aligned(2))) = { + .bLength = sizeof rndis_control_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -524,7 +528,7 @@ + + #if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + +-static const struct usb_cdc_header_desc header_desc = { ++static const struct usb_cdc_header_desc __attribute__((aligned(2))) header_desc = { + .bLength = sizeof header_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_HEADER_TYPE, +@@ -566,7 +570,8 @@ + + #ifdef DEV_CONFIG_CDC + +-static const struct usb_cdc_ether_desc ether_desc = { ++static const struct usb_cdc_ether_desc ++ether_desc __attribute__((aligned(2))) = { + .bLength = sizeof ether_desc, + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_ETHERNET_TYPE, +@@ -601,7 +606,7 @@ + #define STATUS_BYTECOUNT 16 /* 8 byte header + data */ + + static struct usb_endpoint_descriptor +-fs_status_desc = { ++fs_status_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -632,7 +637,7 @@ + /* ... but the "real" data interface has two bulk endpoints */ + + static const struct usb_interface_descriptor +-data_intf = { ++data_intf __attribute__((aligned(2))) = { + .bLength = sizeof data_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -652,7 +657,7 @@ + /* RNDIS doesn't activate by changing to the "real" altsetting */ + + static const struct usb_interface_descriptor +-rndis_data_intf = { ++rndis_data_intf __attribute__((aligned(2))) = { + .bLength = sizeof rndis_data_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -675,7 +680,7 @@ + */ + + static const struct usb_interface_descriptor +-subset_data_intf = { ++subset_data_intf __attribute__((aligned(2))) = { + .bLength = sizeof subset_data_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -692,7 +697,7 @@ + + + static struct usb_endpoint_descriptor +-fs_source_desc = { ++fs_source_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -701,7 +706,7 @@ + }; + + static struct usb_endpoint_descriptor +-fs_sink_desc = { ++fs_sink_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -767,7 +772,7 @@ + + #if defined(DEV_CONFIG_CDC) || defined(CONFIG_USB_ETH_RNDIS) + static struct usb_endpoint_descriptor +-hs_status_desc = { ++hs_status_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -778,7 +783,7 @@ + #endif /* DEV_CONFIG_CDC */ + + static struct usb_endpoint_descriptor +-hs_source_desc = { ++hs_source_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -787,7 +792,7 @@ + }; + + static struct usb_endpoint_descriptor +-hs_sink_desc = { ++hs_sink_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -796,7 +801,7 @@ + }; + + static struct usb_qualifier_descriptor +-dev_qualifier = { ++dev_qualifier __attribute__((aligned(2))) = { + .bLength = sizeof dev_qualifier, + .bDescriptorType = USB_DT_DEVICE_QUALIFIER, + +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/file_storage.c linux-2.6.20.4-atmel/drivers/usb/gadget/file_storage.c +--- linux-2.6.20.4-0rig/drivers/usb/gadget/file_storage.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/file_storage.c 2007-03-24 16:42:28.000000000 +0100 +@@ -854,7 +854,7 @@ + #define CONFIG_VALUE 1 + + static struct usb_device_descriptor +-device_desc = { ++device_desc __attribute__((aligned(2))) = { + .bLength = sizeof device_desc, + .bDescriptorType = USB_DT_DEVICE, + +@@ -873,7 +873,7 @@ + }; + + static struct usb_config_descriptor +-config_desc = { ++config_desc __attribute__((aligned(2))) = { + .bLength = sizeof config_desc, + .bDescriptorType = USB_DT_CONFIG, + +@@ -896,7 +896,7 @@ + /* There is only one interface. */ + + static struct usb_interface_descriptor +-intf_desc = { ++intf_desc __attribute__((aligned(2))) = { + .bLength = sizeof intf_desc, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -911,7 +911,7 @@ + * and interrupt-in. */ + + static struct usb_endpoint_descriptor +-fs_bulk_in_desc = { ++fs_bulk_in_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -921,7 +921,7 @@ + }; + + static struct usb_endpoint_descriptor +-fs_bulk_out_desc = { ++fs_bulk_out_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -931,7 +931,7 @@ + }; + + static struct usb_endpoint_descriptor +-fs_intr_in_desc = { ++fs_intr_in_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -963,7 +963,7 @@ + * for the config descriptor. + */ + static struct usb_qualifier_descriptor +-dev_qualifier = { ++dev_qualifier __attribute__((aligned(2))) = { + .bLength = sizeof dev_qualifier, + .bDescriptorType = USB_DT_DEVICE_QUALIFIER, + +@@ -974,7 +974,7 @@ + }; + + static struct usb_endpoint_descriptor +-hs_bulk_in_desc = { ++hs_bulk_in_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -984,7 +984,7 @@ + }; + + static struct usb_endpoint_descriptor +-hs_bulk_out_desc = { ++hs_bulk_out_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -995,7 +995,7 @@ + }; + + static struct usb_endpoint_descriptor +-hs_intr_in_desc = { ++hs_intr_in_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/gadget_chips.h linux-2.6.20.4-atmel/drivers/usb/gadget/gadget_chips.h +--- linux-2.6.20.4-0rig/drivers/usb/gadget/gadget_chips.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/gadget_chips.h 2007-03-24 16:42:29.000000000 +0100 +@@ -75,6 +75,12 @@ + #define gadget_is_pxa27x(g) 0 + #endif + ++#ifdef CONFIG_USB_GADGET_HUSB2DEV ++#define gadget_is_husb2dev(g) !strcmp("husb2_udc", (g)->name) ++#else ++#define gadget_is_husb2dev(g) 0 ++#endif ++ + #ifdef CONFIG_USB_GADGET_S3C2410 + #define gadget_is_s3c2410(g) !strcmp("s3c2410_udc", (g)->name) + #else +@@ -169,5 +175,7 @@ + return 0x16; + else if (gadget_is_mpc8272(gadget)) + return 0x17; ++ else if (gadget_is_husb2dev(gadget)) ++ return 0x80; + return -ENOENT; + } +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/husb2_udc.c linux-2.6.20.4-atmel/drivers/usb/gadget/husb2_udc.c +--- linux-2.6.20.4-0rig/drivers/usb/gadget/husb2_udc.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/husb2_udc.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,1997 @@ ++/* ++ * Driver for the Atmel HUSB2device high speed USB device controller ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#undef DEBUG ++ ++#include <linux/clk.h> ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/device.h> ++#include <linux/dma-mapping.h> ++#include <linux/list.h> ++#include <linux/platform_device.h> ++#include <linux/usb_ch9.h> ++#include <linux/usb_gadget.h> ++#include <linux/dmapool.h> ++#include <linux/delay.h> ++ ++#include <asm/io.h> ++ ++#include "husb2_udc.h" ++ ++#define DRIVER_VERSION "0.9" ++ ++#define DMA_ADDR_INVALID (~(dma_addr_t)0) ++ ++#define FIFO_IOMEM_ID 0 ++#define CTRL_IOMEM_ID 1 ++ ++#ifdef DEBUG ++#define DBG_ERR 0x0001 /* report all error returns */ ++#define DBG_HW 0x0002 /* debug hardware initialization */ ++#define DBG_GADGET 0x0004 /* calls to/from gadget driver */ ++#define DBG_INT 0x0008 /* interrupts */ ++#define DBG_BUS 0x0010 /* report changes in bus state */ ++#define DBG_QUEUE 0x0020 /* debug request queue processing */ ++#define DBG_FIFO 0x0040 /* debug FIFO contents */ ++#define DBG_DMA 0x0080 /* debug DMA handling */ ++#define DBG_REQ 0x0100 /* print out queued request length */ ++#define DBG_ALL 0xffff ++#define DBG_NONE 0x0000 ++ ++#define DEBUG_LEVEL (DBG_ERR|DBG_REQ) ++#define DBG(level, fmt, ...) \ ++ do { \ ++ if ((level) & DEBUG_LEVEL) \ ++ printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__); \ ++ } while (0) ++#else ++#define DBG(level, fmt...) ++#endif ++ ++static struct husb2_udc the_udc; ++ ++#ifdef CONFIG_DEBUG_FS ++#include <linux/debugfs.h> ++#include <asm/uaccess.h> ++ ++static int queue_dbg_open(struct inode *inode, struct file *file) ++{ ++ struct husb2_ep *ep = inode->i_private; ++ struct husb2_request *req, *req_copy; ++ struct list_head *queue_data; ++ ++ queue_data = kmalloc(sizeof(*queue_data), GFP_KERNEL); ++ if (!queue_data) ++ return -ENOMEM; ++ INIT_LIST_HEAD(queue_data); ++ ++ spin_lock_irq(&ep->udc->lock); ++ list_for_each_entry(req, &ep->queue, queue) { ++ req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC); ++ if (!req_copy) ++ goto fail; ++ memcpy(req_copy, req, sizeof(*req_copy)); ++ list_add_tail(&req_copy->queue, queue_data); ++ } ++ spin_unlock_irq(&ep->udc->lock); ++ ++ file->private_data = queue_data; ++ return 0; ++ ++fail: ++ spin_unlock_irq(&ep->udc->lock); ++ list_for_each_entry_safe(req, req_copy, queue_data, queue) { ++ list_del(&req->queue); ++ kfree(req); ++ } ++ kfree(queue_data); ++ return -ENOMEM; ++} ++ ++/* ++ * bbbbbbbb llllllll IZS sssss nnnn FDL\n\0 ++ * ++ * b: buffer address ++ * l: buffer length ++ * I/i: interrupt/no interrupt ++ * Z/z: zero/no zero ++ * S/s: short ok/short not ok ++ * s: status ++ * n: nr_packets ++ * F/f: submitted/not submitted to FIFO ++ * D/d: using/not using DMA ++ * L/l: last transaction/not last transaction ++ */ ++static ssize_t queue_dbg_read(struct file *file, char __user *buf, ++ size_t nbytes, loff_t *ppos) ++{ ++ struct list_head *queue = file->private_data; ++ struct husb2_request *req, *tmp_req; ++ size_t len, remaining, actual = 0; ++ char tmpbuf[38]; ++ ++ if (!access_ok(VERIFY_WRITE, buf, nbytes)) ++ return -EFAULT; ++ ++ mutex_lock(&file->f_dentry->d_inode->i_mutex); ++ list_for_each_entry_safe(req, tmp_req, queue, queue) { ++ len = snprintf(tmpbuf, sizeof(tmpbuf), ++ "%8p %08x %c%c%c %5d %4u %c%c%c\n", ++ req->req.buf, req->req.length, ++ req->req.no_interrupt ? 'i' : 'I', ++ req->req.zero ? 'Z' : 'z', ++ req->req.short_not_ok ? 's' : 'S', ++ req->req.status, ++ req->nr_pkts, ++ req->submitted ? 'F' : 'f', ++ req->using_dma ? 'D' : 'd', ++ req->last_transaction ? 'L' : 'l'); ++ len = min(len, sizeof(tmpbuf)); ++ if (len > nbytes) ++ break; ++ ++ list_del(&req->queue); ++ kfree(req); ++ ++ remaining = __copy_to_user(buf, tmpbuf, len); ++ actual += len - remaining; ++ if (remaining) ++ break; ++ ++ nbytes -= len; ++ buf += len; ++ } ++ mutex_unlock(&file->f_dentry->d_inode->i_mutex); ++ ++ return actual; ++} ++ ++static int queue_dbg_release(struct inode *inode, struct file *file) ++{ ++ struct list_head *queue_data = file->private_data; ++ struct husb2_request *req, *tmp_req; ++ ++ list_for_each_entry_safe(req, tmp_req, queue_data, queue) { ++ list_del(&req->queue); ++ kfree(req); ++ } ++ kfree(queue_data); ++ return 0; ++} ++ ++static int regs_dbg_open(struct inode *inode, struct file *file) ++{ ++ struct husb2_udc *udc; ++ unsigned int i; ++ u32 *data; ++ int ret = -ENOMEM; ++ ++ mutex_lock(&inode->i_mutex); ++ udc = inode->i_private; ++ data = kmalloc(inode->i_size, GFP_KERNEL); ++ if (!data) ++ goto out; ++ ++ spin_lock_irq(&udc->lock); ++ for (i = 0; i < inode->i_size / 4; i++) ++ data[i] = __raw_readl(udc->regs + i * 4); ++ spin_unlock_irq(&udc->lock); ++ ++ file->private_data = data; ++ ret = 0; ++ ++out: ++ mutex_unlock(&inode->i_mutex); ++ ++ return ret; ++} ++ ++static ssize_t regs_dbg_read(struct file *file, char __user *buf, ++ size_t nbytes, loff_t *ppos) ++{ ++ struct inode *inode = file->f_dentry->d_inode; ++ int ret; ++ ++ mutex_lock(&inode->i_mutex); ++ ret = simple_read_from_buffer(buf, nbytes, ppos, ++ file->private_data, ++ file->f_dentry->d_inode->i_size); ++ mutex_unlock(&inode->i_mutex); ++ ++ return ret; ++} ++ ++static int regs_dbg_release(struct inode *inode, struct file *file) ++{ ++ kfree(file->private_data); ++ return 0; ++} ++ ++const struct file_operations queue_dbg_fops = { ++ .owner = THIS_MODULE, ++ .open = queue_dbg_open, ++ .llseek = no_llseek, ++ .read = queue_dbg_read, ++ .release = queue_dbg_release, ++}; ++ ++const struct file_operations regs_dbg_fops = { ++ .owner = THIS_MODULE, ++ .open = regs_dbg_open, ++ .llseek = generic_file_llseek, ++ .read = regs_dbg_read, ++ .release = regs_dbg_release, ++}; ++ ++static void husb2_ep_init_debugfs(struct husb2_udc *udc, ++ struct husb2_ep *ep) ++{ ++ struct dentry *ep_root; ++ ++ ep_root = debugfs_create_dir(ep_name(ep), udc->debugfs_root); ++ if (!ep_root) ++ goto err_root; ++ ep->debugfs_dir = ep_root; ++ ++ ep->debugfs_queue = debugfs_create_file("queue", 0400, ep_root, ++ ep, &queue_dbg_fops); ++ if (!ep->debugfs_queue) ++ goto err_queue; ++ ++ if (ep_can_dma(ep)) { ++ ep->debugfs_dma_status ++ = debugfs_create_u32("dma_status", 0400, ep_root, ++ &ep->last_dma_status); ++ if (!ep->debugfs_dma_status) ++ goto err_dma_status; ++ } ++ ++ return; ++ ++err_dma_status: ++ debugfs_remove(ep->debugfs_queue); ++err_queue: ++ debugfs_remove(ep_root); ++err_root: ++ dev_err(&ep->udc->pdev->dev, ++ "failed to create debugfs directory for %s\n", ep_name(ep)); ++} ++ ++static void husb2_ep_cleanup_debugfs(struct husb2_ep *ep) ++{ ++ debugfs_remove(ep->debugfs_queue); ++ debugfs_remove(ep->debugfs_dma_status); ++ debugfs_remove(ep->debugfs_dir); ++ ep->debugfs_dma_status = NULL; ++ ep->debugfs_dir = NULL; ++} ++ ++static void husb2_init_debugfs(struct husb2_udc *udc) ++{ ++ struct dentry *root, *regs; ++ struct resource *regs_resource; ++ ++ root = debugfs_create_dir(udc->gadget.name, NULL); ++ if (IS_ERR(root) || !root) ++ goto err_root; ++ udc->debugfs_root = root; ++ ++ regs = debugfs_create_file("regs", 0400, root, udc, ®s_dbg_fops); ++ if (!regs) ++ goto err_regs; ++ ++ regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM, ++ CTRL_IOMEM_ID); ++ regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1; ++ udc->debugfs_regs = regs; ++ ++ husb2_ep_init_debugfs(udc, to_husb2_ep(udc->gadget.ep0)); ++ ++ return; ++ ++err_regs: ++ debugfs_remove(root); ++err_root: ++ udc->debugfs_root = NULL; ++ dev_err(&udc->pdev->dev, "debugfs is not available\n"); ++} ++ ++static void husb2_cleanup_debugfs(struct husb2_udc *udc) ++{ ++ husb2_ep_cleanup_debugfs(to_husb2_ep(udc->gadget.ep0)); ++ debugfs_remove(udc->debugfs_regs); ++ debugfs_remove(udc->debugfs_root); ++ udc->debugfs_regs = NULL; ++ udc->debugfs_root = NULL; ++} ++#else ++static inline void husb2_ep_init_debugfs(struct husb2_udc *udc, ++ struct husb2_ep *ep) ++{ ++ ++} ++ ++static inline void husb2_ep_cleanup_debugfs(struct husb2_ep *ep) ++{ ++ ++} ++ ++static inline void husb2_init_debugfs(struct husb2_udc *udc) ++{ ++ ++} ++ ++static inline void husb2_cleanup_debugfs(struct husb2_udc *udc) ++{ ++ ++} ++#endif ++ ++static void copy_to_fifo(void __iomem *fifo, void *buf, int len) ++{ ++ unsigned long tmp; ++ ++ DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len); ++ for (; len > 0; len -= 4, buf += 4, fifo += 4) { ++ tmp = *(unsigned long *)buf; ++ if (len >= 4) { ++ DBG(DBG_FIFO, " -> %08lx\n", tmp); ++ __raw_writel(tmp, fifo); ++ } else { ++ do { ++ DBG(DBG_FIFO, " -> %02lx\n", tmp >> 24); ++ __raw_writeb(tmp >> 24, fifo); ++ fifo++; ++ tmp <<= 8; ++ } while (--len); ++ break; ++ } ++ } ++} ++ ++static void copy_from_fifo(void *buf, void __iomem *fifo, int len) ++{ ++ union { ++ unsigned long *w; ++ unsigned char *b; ++ } p; ++ unsigned long tmp; ++ ++ DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len); ++ for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) { ++ if (len >= 4) { ++ tmp = __raw_readl(fifo); ++ *p.w = tmp; ++ DBG(DBG_FIFO, " -> %08lx\n", tmp); ++ } else { ++ do { ++ tmp = __raw_readb(fifo); ++ *p.b = tmp; ++ DBG(DBG_FIFO, " -> %02lx\n", tmp); ++ fifo++, p.b++; ++ } while (--len); ++ } ++ } ++} ++ ++static void next_fifo_transaction(struct husb2_ep *ep, ++ struct husb2_request *req) ++{ ++ unsigned int transaction_len; ++ ++ transaction_len = req->req.length - req->req.actual; ++ req->last_transaction = 1; ++ if (transaction_len > ep->ep.maxpacket) { ++ transaction_len = ep->ep.maxpacket; ++ req->last_transaction = 0; ++ } else if (transaction_len == ep->ep.maxpacket ++ && req->req.zero) { ++ req->last_transaction = 0; ++ } ++ DBG(DBG_QUEUE, "%s: submit_transaction, req %p (length %d)%s\n", ++ ep_name(ep), req, transaction_len, ++ req->last_transaction ? ", done" : ""); ++ ++ copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len); ++ husb2_ep_writel(ep, SET_STA, HUSB2_BIT(TX_PK_RDY)); ++ req->req.actual += transaction_len; ++} ++ ++static void submit_request(struct husb2_ep *ep, struct husb2_request *req) ++{ ++ DBG(DBG_QUEUE, "%s: submit_request: req %p (length %d)\n", ++ ep_name(ep), req, req->req.length); ++ ++ req->req.actual = 0; ++ req->submitted = 1; ++ ++ if (req->using_dma) { ++ if (req->req.length == 0) { ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_PK_RDY)); ++ } else { ++ husb2_ep_writel(ep, CTL_DIS, HUSB2_BIT(TX_PK_RDY)); ++ husb2_dma_writel(ep, NXT_DSC, ++ req->packet[0].desc_dma); ++ husb2_dma_writel(ep, CONTROL, HUSB2_BIT(DMA_LINK)); ++ } ++ } else { ++ next_fifo_transaction(ep, req); ++ if (req->last_transaction) ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_COMPLETE)); ++ else ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_PK_RDY)); ++ } ++} ++ ++static void submit_next_request(struct husb2_ep *ep) ++{ ++ struct husb2_request *req; ++ ++ if (list_empty(&ep->queue)) { ++ husb2_ep_writel(ep, CTL_DIS, (HUSB2_BIT(TX_PK_RDY) ++ | HUSB2_BIT(RX_BK_RDY))); ++ return; ++ } ++ ++ req = list_entry(ep->queue.next, struct husb2_request, queue); ++ if (!req->submitted) ++ submit_request(ep, req); ++} ++ ++static void send_status(struct husb2_udc *udc, struct husb2_ep *ep) ++{ ++ ep->state = STATUS_STAGE_IN; ++ husb2_ep_writel(ep, SET_STA, HUSB2_BIT(TX_PK_RDY)); ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_COMPLETE)); ++} ++ ++static void receive_data(struct husb2_ep *ep) ++{ ++ struct husb2_udc *udc = ep->udc; ++ struct husb2_request *req; ++ unsigned long status; ++ unsigned int bytecount, nr_busy; ++ int is_complete = 0; ++ ++ status = husb2_ep_readl(ep, STA); ++ nr_busy = HUSB2_BFEXT(BUSY_BANKS, status); ++ ++ DBG(DBG_QUEUE, "receive data: nr_busy=%u\n", nr_busy); ++ ++ while (nr_busy > 0) { ++ if (list_empty(&ep->queue)) { ++ husb2_ep_writel(ep, CTL_DIS, HUSB2_BIT(RX_BK_RDY)); ++ break; ++ } ++ req = list_entry(ep->queue.next, ++ struct husb2_request, queue); ++ ++ bytecount = HUSB2_BFEXT(BYTE_COUNT, status); ++ ++ if (status & (1 << 31)) ++ is_complete = 1; ++ if (req->req.actual + bytecount >= req->req.length) { ++ is_complete = 1; ++ bytecount = req->req.length - req->req.actual; ++ } ++ ++ copy_from_fifo(req->req.buf + req->req.actual, ++ ep->fifo, bytecount); ++ req->req.actual += bytecount; ++ ++ husb2_ep_writel(ep, CLR_STA, HUSB2_BIT(RX_BK_RDY)); ++ ++ if (is_complete) { ++ DBG(DBG_QUEUE, "%s: request done\n", ep_name(ep)); ++ req->req.status = 0; ++ list_del_init(&req->queue); ++ req->req.complete(&ep->ep, &req->req); ++ } ++ ++ status = husb2_ep_readl(ep, STA); ++ nr_busy = HUSB2_BFEXT(BUSY_BANKS, status); ++ ++ if (is_complete && ep_is_control(ep)) { ++ BUG_ON(nr_busy != 0); ++ send_status(udc, ep); ++ break; ++ } ++ } ++} ++ ++static void request_complete(struct husb2_ep *ep, ++ struct husb2_request *req, ++ int status) ++{ ++ struct husb2_udc *udc = ep->udc; ++ int i; ++ ++ BUG_ON(!list_empty(&req->queue)); ++ ++ if (req->req.status == -EINPROGRESS) ++ req->req.status = status; ++ ++ if (req->packet) { ++ for (i = 0; i < req->nr_pkts; i++) ++ dma_pool_free(udc->desc_pool, req->packet[i].desc, ++ req->packet[i].desc_dma); ++ kfree(req->packet); ++ req->packet = NULL; ++ dma_unmap_single(&udc->pdev->dev, ++ req->req.dma, req->req.length, ++ (ep_is_in(ep) ++ ? DMA_TO_DEVICE : DMA_FROM_DEVICE)); ++ req->req.dma = DMA_ADDR_INVALID; ++ } ++ ++ DBG(DBG_GADGET | DBG_REQ, ++ "%s: req %p complete: status %d, actual %u\n", ++ ep_name(ep), req, req->req.status, req->req.actual); ++ req->req.complete(&ep->ep, &req->req); ++} ++ ++static void request_complete_list(struct husb2_ep *ep, ++ struct list_head *list, ++ int status) ++{ ++ struct husb2_request *req, *tmp_req; ++ ++ list_for_each_entry_safe(req, tmp_req, list, queue) { ++ list_del_init(&req->queue); ++ request_complete(ep, req, status); ++ } ++} ++ ++static int husb2_ep_enable(struct usb_ep *_ep, ++ const struct usb_endpoint_descriptor *desc) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ struct husb2_udc *udc = ep->udc; ++ unsigned long flags, ept_cfg, maxpacket; ++ ++ DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep_name(ep), desc); ++ ++ maxpacket = le16_to_cpu(desc->wMaxPacketSize); ++ ++ if (ep->index == 0 ++ || desc->bDescriptorType != USB_DT_ENDPOINT ++ || ((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) ++ != ep->index) ++ || maxpacket == 0 ++ || maxpacket > ep->fifo_size) { ++ DBG(DBG_ERR, "ep_enable: Invalid argument"); ++ return -EINVAL; ++ } ++ ++ if (((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ++ == USB_ENDPOINT_XFER_ISOC) ++ && !(ep->capabilities & HUSB2_EP_CAP_ISOC)) { ++ DBG(DBG_ERR, "ep_enable: %s is not isoc capable\n", ++ ep_name(ep)); ++ return -EINVAL; ++ } ++ ++ if (maxpacket <= 8) ++ ept_cfg = HUSB2_BF(EPT_SIZE, HUSB2_EPT_SIZE_8); ++ else ++ /* LSB is bit 1, not 0 */ ++ ept_cfg = HUSB2_BF(EPT_SIZE, fls(maxpacket - 1) - 3); ++ DBG(DBG_HW, "%s: EPT_SIZE = %lu (maxpacket = %lu)\n", ++ ep_name(ep), ept_cfg, maxpacket); ++ ++ if ((desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) ++ ept_cfg |= HUSB2_BIT(EPT_DIR); ++ ++ switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { ++ case USB_ENDPOINT_XFER_CONTROL: ++ ept_cfg |= HUSB2_BF(EPT_TYPE, HUSB2_EPT_TYPE_CONTROL); ++ break; ++ case USB_ENDPOINT_XFER_ISOC: ++ ept_cfg |= HUSB2_BF(EPT_TYPE, HUSB2_EPT_TYPE_ISO); ++ break; ++ case USB_ENDPOINT_XFER_BULK: ++ ept_cfg |= HUSB2_BF(EPT_TYPE, HUSB2_EPT_TYPE_BULK); ++ break; ++ case USB_ENDPOINT_XFER_INT: ++ ept_cfg |= HUSB2_BF(EPT_TYPE, HUSB2_EPT_TYPE_INT); ++ break; ++ } ++ ept_cfg |= HUSB2_BF(BK_NUMBER, ep->nr_banks); ++ ++ spin_lock_irqsave(&ep->udc->lock, flags); ++ ++ if (ep->desc) { ++ spin_unlock_irqrestore(&ep->udc->lock, flags); ++ DBG(DBG_ERR, "ep%d already enabled\n", ep->index); ++ return -EBUSY; ++ } ++ ++ ep->desc = desc; ++ ep->ep.maxpacket = maxpacket; ++ ++ husb2_ep_writel(ep, CFG, ept_cfg); ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(EPT_ENABLE)); ++ ++ if (ep_can_dma(ep)) { ++ husb2_writel(udc, INT_ENB, ++ (husb2_readl(udc, INT_ENB) ++ | HUSB2_BF(EPT_INT, 1 << ep->index) ++ | HUSB2_BF(DMA_INT, 1 << ep->index))); ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(AUTO_VALID)); ++ } else { ++ husb2_writel(udc, INT_ENB, ++ (husb2_readl(udc, INT_ENB) ++ | HUSB2_BF(EPT_INT, 1 << ep->index))); ++ } ++ ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ DBG(DBG_HW, "EPT_CFG%d after init: %#08lx\n", ep->index, ++ (unsigned long)husb2_ep_readl(ep, CFG)); ++ DBG(DBG_HW, "INT_ENB after init: %#08lx\n", ++ (unsigned long)husb2_readl(udc, INT_ENB)); ++ ++ husb2_ep_init_debugfs(udc, ep); ++ ++ return 0; ++} ++ ++static int husb2_ep_disable(struct usb_ep *_ep) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ struct husb2_udc *udc = ep->udc; ++ LIST_HEAD(req_list); ++ unsigned long flags; ++ ++ DBG(DBG_GADGET, "ep_disable: %s\n", ep_name(ep)); ++ ++ husb2_ep_cleanup_debugfs(ep); ++ ++ spin_lock_irqsave(&udc->lock, flags); ++ ++ if (!ep->desc) { ++ spin_unlock_irqrestore(&udc->lock, flags); ++ DBG(DBG_ERR, "ep_disable: %s not enabled\n", ++ ep_name(ep)); ++ return -EINVAL; ++ } ++ ep->desc = NULL; ++ ++ list_splice_init(&ep->queue, &req_list); ++ if (ep_can_dma(ep)) { ++ husb2_dma_writel(ep, CONTROL, 0); ++ husb2_dma_writel(ep, ADDRESS, 0); ++ husb2_dma_readl(ep, STATUS); ++ } ++ husb2_ep_writel(ep, CTL_DIS, HUSB2_BIT(EPT_ENABLE)); ++ husb2_writel(udc, INT_ENB, (husb2_readl(udc, INT_ENB) ++ & ~HUSB2_BF(EPT_INT, 1 << ep->index))); ++ ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ request_complete_list(ep, &req_list, -ESHUTDOWN); ++ ++ return 0; ++} ++ ++static struct usb_request * ++husb2_ep_alloc_request(struct usb_ep *_ep, unsigned gfp_flags) ++{ ++ struct husb2_request *req; ++ ++ DBG(DBG_GADGET, "ep_alloc_request: %p, 0x%x\n", _ep, gfp_flags); ++ ++ req = kzalloc(sizeof(*req), gfp_flags); ++ if (!req) ++ return NULL; ++ ++ INIT_LIST_HEAD(&req->queue); ++ req->req.dma = DMA_ADDR_INVALID; ++ ++ return &req->req; ++} ++ ++static void ++husb2_ep_free_request(struct usb_ep *_ep, struct usb_request *_req) ++{ ++ struct husb2_request *req = to_husb2_req(_req); ++ ++ DBG(DBG_GADGET, "ep_free_request: %p, %p\n", _ep, _req); ++ ++ kfree(req); ++} ++ ++static void *husb2_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes, ++ dma_addr_t *dma, unsigned gfp_flags) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ void *buf; ++ ++ /* ++ * We depend on kmalloc() returning cache-aligned memory. This ++ * is normally guaranteed as long as we allocate a whole ++ * cacheline or more. ++ * ++ * When CONFIG_DEBUG_SLAB is enabled, however, the slab ++ * allocator inserts red zones and ownership information, ++ * causing the slab objects to be misaligned. ++ * ++ * One alternative would be to use dma_alloc_coherent, but ++ * that would make us unable to allocate anything less than a ++ * page at a time. ++ */ ++#ifdef CONFIG_DEBUG_SLAB ++# error The HUSB2 UDC driver breaks with SLAB debugging enabled ++#endif ++ ++ if (bytes < L1_CACHE_BYTES) ++ bytes = L1_CACHE_BYTES; ++ ++ buf = kmalloc(bytes, gfp_flags); ++ ++ /* ++ * Seems like we have to map the buffer any chance we get. ++ * ether.c wants us to initialize the dma member of a ++ * different request than the one receiving the buffer, so one ++ * never knows... ++ * ++ * Ah, screw it. The ether driver is probably wrong, and this ++ * is not the right place to do the mapping. The driver ++ * shouldn't mess with our DMA mappings anyway. ++ */ ++ *dma = DMA_ADDR_INVALID; ++ ++ DBG(DBG_GADGET, "ep_alloc_buffer: %s, %u, 0x%x -> %p\n", ++ ep_name(ep), bytes, gfp_flags, buf); ++ ++ return buf; ++} ++ ++static void husb2_ep_free_buffer(struct usb_ep *_ep, void *buf, ++ dma_addr_t dma, unsigned bytes) ++{ ++ DBG(DBG_GADGET, "ep_free_buffer: %s, buf %p (size %u)\n", ++ _ep->name, buf, bytes); ++ kfree(buf); ++} ++ ++static int queue_dma(struct husb2_udc *udc, struct husb2_ep *ep, ++ struct husb2_request *req, unsigned int direction, ++ gfp_t gfp_flags) ++{ ++ struct husb2_packet *pkt, *prev_pkt; ++ unsigned int pkt_size, nr_pkts, i; ++ unsigned int residue; ++ dma_addr_t addr; ++ unsigned long flags; ++ u32 ctrl; ++ ++ req->using_dma = 1; ++ ++ if (req->req.length == 0) { ++ if (!req->req.zero) ++ return -EINVAL; ++ req->send_zlp = 1; ++ ++ spin_lock_irqsave(&udc->lock, flags); ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_PK_RDY)); ++ list_add_tail(&req->queue, &ep->queue); ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ return 0; ++ } ++ ++ if (req->req.dma == DMA_ADDR_INVALID) ++ req->req.dma = dma_map_single(&udc->pdev->dev, ++ req->req.buf, ++ req->req.length, ++ direction); ++ else ++ dma_sync_single_for_device(&udc->pdev->dev, ++ req->req.dma, ++ req->req.length, ++ direction); ++ ++ pkt_size = ep->ep.maxpacket; ++ nr_pkts = req->req.length / pkt_size; ++ residue = req->req.length % pkt_size; ++ if (residue != 0) ++ nr_pkts++; ++ else if (req->req.zero && ep_is_in(ep)) ++ /* ensure last packet is short */ ++ req->send_zlp = 1; ++ ++ req->nr_pkts = nr_pkts; ++ ++ req->packet = kzalloc(sizeof(*req->packet) * nr_pkts, gfp_flags); ++ if (!req->packet) ++ goto out_of_memory; ++ ++ addr = req->req.dma; ++ ctrl = (HUSB2_BF(DMA_BUF_LEN, pkt_size) ++ | HUSB2_BIT(DMA_CH_EN) | HUSB2_BIT(DMA_LINK) ++ | HUSB2_BIT(DMA_END_TR_EN) | HUSB2_BIT(DMA_END_TR_IE)); ++ prev_pkt = NULL; ++ pkt = NULL; ++ DBG(DBG_DMA, "DMA descriptors:\n"); ++ for (i = 0; i < nr_pkts; i++) { ++ pkt = &req->packet[i]; ++ pkt->desc = dma_pool_alloc(udc->desc_pool, gfp_flags, ++ &pkt->desc_dma); ++ if (!pkt->desc) ++ goto out_of_memory; ++ ++ if (prev_pkt) { ++ prev_pkt->desc->next = pkt->desc_dma; ++ DBG(DBG_DMA, "[%d] n%08x a%08x c%08x\n", ++ i - 1, prev_pkt->desc->next, prev_pkt->desc->addr, ++ prev_pkt->desc->ctrl); ++ } ++ prev_pkt = pkt; ++ ++ pkt->desc->addr = addr; ++ pkt->desc->ctrl = ctrl; ++ addr += pkt_size; ++ } ++ ++ /* special care is needed for the last packet... */ ++ ctrl = (HUSB2_BIT(DMA_CH_EN) ++ | HUSB2_BIT(DMA_END_TR_EN) | HUSB2_BIT(DMA_END_TR_IE) ++ | HUSB2_BIT(DMA_END_BUF_IE)); ++ if (ep_is_in(ep)) ++ ctrl |= HUSB2_BIT(DMA_END_BUF_EN); ++ if (req->req.zero || residue) ++ ctrl |= HUSB2_BF(DMA_BUF_LEN, residue); ++ else ++ ctrl |= HUSB2_BF(DMA_BUF_LEN, pkt_size); ++ pkt->desc->ctrl = ctrl; ++ ++ DBG(DBG_DMA, "[%d] n%08x a%08x c%08x\n", ++ i - 1, prev_pkt->desc->next, prev_pkt->desc->addr, ++ prev_pkt->desc->ctrl); ++ ++ /* Add this request to the queue and try to chain the DMA descriptors */ ++ spin_lock_irqsave(&udc->lock, flags); ++ ++ /* If the DMA controller is idle, start it */ ++ if (list_empty(&ep->queue)) { ++ husb2_dma_writel(ep, NXT_DSC, req->packet[0].desc_dma); ++ husb2_dma_writel(ep, CONTROL, HUSB2_BIT(DMA_LINK)); ++ } ++ ++ list_add_tail(&req->queue, &ep->queue); ++ ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ return 0; ++ ++out_of_memory: ++ printk(KERN_ERR "ERROR: Could not allocate DMA memory for endpoint %s\n", ++ ep_name(ep)); ++ if (req->packet) { ++ for (i = 0; i < nr_pkts; i++) ++ if (req->packet[i].desc) ++ dma_pool_free(udc->desc_pool, ++ req->packet[i].desc, ++ req->packet[i].desc_dma); ++ kfree(req->packet); ++ } ++ ++ return -ENOMEM; ++} ++ ++static int husb2_ep_queue(struct usb_ep *_ep, struct usb_request *_req, ++ gfp_t gfp_flags) ++{ ++ struct husb2_request *req = to_husb2_req(_req); ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ struct husb2_udc *udc = ep->udc; ++ unsigned long flags; ++ int direction_in = 0; ++ ++ DBG(DBG_GADGET | DBG_QUEUE | DBG_REQ, ++ "%s: queue req %p, len %u\n", ep_name(ep), req, _req->length); ++ ++ if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) ++ return -ESHUTDOWN; ++ if (!ep->desc) ++ return -ENODEV; ++ ++ req->nr_pkts = 0; ++ req->submitted = 0; ++ req->using_dma = 0; ++ req->last_transaction = 0; ++ req->send_zlp = 0; ++ ++ BUG_ON(req->packet); ++ ++ if (ep_is_in(ep) ++ || (ep_is_control(ep) && (ep->state == DATA_STAGE_IN ++ || ep->state == STATUS_STAGE_IN))) ++ direction_in = 1; ++ ++ _req->status = -EINPROGRESS; ++ _req->actual = 0; ++ ++ if (ep_can_dma(ep)) { ++ return queue_dma(udc, ep, req, (direction_in ++ ? DMA_TO_DEVICE ++ : DMA_FROM_DEVICE), ++ gfp_flags); ++ } else { ++ spin_lock_irqsave(&udc->lock, flags); ++ list_add_tail(&req->queue, &ep->queue); ++ ++ if (direction_in) ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_PK_RDY)); ++ else ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(RX_BK_RDY)); ++ spin_unlock_irqrestore(&udc->lock, flags); ++ } ++ ++ return 0; ++} ++ ++static void husb2_update_req(struct husb2_ep *ep, struct husb2_request *req, ++ u32 status) ++{ ++ struct husb2_dma_desc *desc; ++ dma_addr_t from; ++ dma_addr_t addr; ++ size_t size; ++ unsigned int i; ++ ++ addr = husb2_dma_readl(ep, ADDRESS); ++ req->req.actual = 0; ++ ++ for (i = 0; i < req->nr_pkts; i++) { ++ desc = req->packet[i].desc; ++ from = desc->addr; ++ size = HUSB2_BFEXT(DMA_BUF_LEN, desc->ctrl); ++ ++ req->req.actual += size; ++ ++ DBG(DBG_DMA, " from=%#08x, size=%#zx\n", from, size); ++ ++ if (from <= addr && (from + size) >= addr) ++ break; ++ } ++ ++ req->req.actual -= HUSB2_BFEXT(DMA_BUF_LEN, status); ++} ++ ++static int stop_dma(struct husb2_ep *ep, u32 *pstatus) ++{ ++ unsigned int timeout; ++ u32 status; ++ ++ /* ++ * Stop the DMA controller. When writing both CH_EN ++ * and LINK to 0, the other bits are not affected. ++ */ ++ husb2_dma_writel(ep, CONTROL, 0); ++ ++ /* Wait for the FIFO to empty */ ++ for (timeout = 40; timeout; --timeout) { ++ status = husb2_dma_readl(ep, STATUS); ++ if (!(status & HUSB2_BIT(DMA_CH_EN))) ++ break; ++ udelay(1); ++ } ++ ++ if (pstatus) ++ *pstatus = status; ++ ++ if (timeout == 0) { ++ dev_err(&ep->udc->pdev->dev, ++ "%s: timed out waiting for DMA FIFO to empty\n", ++ ep_name(ep)); ++ return -ETIMEDOUT; ++ } ++ ++ return 0; ++} ++ ++static int husb2_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ struct husb2_udc *udc = ep->udc; ++ struct husb2_request *req = to_husb2_req(_req); ++ unsigned long flags; ++ u32 status; ++ ++ DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n", ep_name(ep), req); ++ ++ spin_lock_irqsave(&udc->lock, flags); ++ ++ if (req->using_dma) { ++ /* ++ * If this request is currently being transferred, ++ * stop the DMA controller and reset the FIFO. ++ */ ++ if (ep->queue.next == &req->queue) { ++ status = husb2_dma_readl(ep, STATUS); ++ if (status & HUSB2_BIT(DMA_CH_EN)) ++ stop_dma(ep, &status); ++ ++#ifdef CONFIG_DEBUG_FS ++ ep->last_dma_status = status; ++#endif ++ ++ husb2_writel(udc, EPT_RST, ++ 1 << ep_index(ep)); ++ ++ husb2_update_req(ep, req, status); ++ } ++ } ++ ++ /* ++ * Errors should stop the queue from advancing until the ++ * completion function returns. ++ */ ++ list_del_init(&req->queue); ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ request_complete(ep, req, -ECONNRESET); ++ ++ /* Process the next request if any */ ++ spin_lock_irqsave(&udc->lock, flags); ++ submit_next_request(ep); ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ return 0; ++} ++ ++static int husb2_ep_set_halt(struct usb_ep *_ep, int value) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ struct husb2_udc *udc = ep->udc; ++ unsigned long flags; ++ int ret = 0; ++ ++ DBG(DBG_GADGET, "endpoint %s: %s HALT\n", ep_name(ep), ++ value ? "set" : "clear"); ++ ++ if (!ep->desc) { ++ DBG(DBG_ERR, "Attempted to halt uninitialized ep %s\n", ++ ep_name(ep)); ++ return -ENODEV; ++ } ++ if (ep_is_isochronous(ep)) { ++ DBG(DBG_ERR, "Attempted to halt isochronous ep %s\n", ++ ep_name(ep)); ++ return -ENOTTY; ++ } ++ ++ spin_lock_irqsave(&udc->lock, flags); ++ ++ /* ++ * We can't halt IN endpoints while there are still data to be ++ * transferred ++ */ ++ if (!list_empty(&ep->queue) ++ || ((value && ep_is_in(ep) ++ && (husb2_ep_readl(ep, STA) ++ & HUSB2_BF(BUSY_BANKS, -1L))))) { ++ ret = -EAGAIN; ++ } else { ++ if (value) ++ husb2_ep_writel(ep, SET_STA, HUSB2_BIT(FORCE_STALL)); ++ else ++ husb2_ep_writel(ep, CLR_STA, (HUSB2_BIT(FORCE_STALL) ++ | HUSB2_BIT(TOGGLE_SEQ))); ++ husb2_ep_readl(ep, STA); ++ } ++ ++ spin_unlock_irqrestore(&udc->lock, flags); ++ ++ return ret; ++} ++ ++static int husb2_ep_fifo_status(struct usb_ep *_ep) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ ++ return HUSB2_BFEXT(BYTE_COUNT, husb2_ep_readl(ep, STA)); ++} ++ ++static void husb2_ep_fifo_flush(struct usb_ep *_ep) ++{ ++ struct husb2_ep *ep = to_husb2_ep(_ep); ++ struct husb2_udc *udc = ep->udc; ++ ++ husb2_writel(udc, EPT_RST, 1 << ep->index); ++} ++ ++struct usb_ep_ops husb2_ep_ops = { ++ .enable = husb2_ep_enable, ++ .disable = husb2_ep_disable, ++ .alloc_request = husb2_ep_alloc_request, ++ .free_request = husb2_ep_free_request, ++ .alloc_buffer = husb2_ep_alloc_buffer, ++ .free_buffer = husb2_ep_free_buffer, ++ .queue = husb2_ep_queue, ++ .dequeue = husb2_ep_dequeue, ++ .set_halt = husb2_ep_set_halt, ++ .fifo_status = husb2_ep_fifo_status, ++ .fifo_flush = husb2_ep_fifo_flush, ++}; ++ ++static int husb2_udc_get_frame(struct usb_gadget *gadget) ++{ ++ struct husb2_udc *udc = to_husb2_udc(gadget); ++ ++ return HUSB2_BFEXT(FRAME_NUMBER, husb2_readl(udc, FNUM)); ++} ++ ++struct usb_gadget_ops husb2_udc_ops = { ++ .get_frame = husb2_udc_get_frame, ++}; ++ ++#define EP(nam, type, idx, caps) { \ ++ .ep = { \ ++ .ops = &husb2_ep_ops, \ ++ .name = nam, \ ++ .maxpacket = type##_FIFO_SIZE, \ ++ }, \ ++ .udc = &the_udc, \ ++ .queue = LIST_HEAD_INIT(husb2_ep[idx].queue), \ ++ .fifo_size = type##_FIFO_SIZE, \ ++ .nr_banks = type##_NR_BANKS, \ ++ .index = idx, \ ++ .capabilities = caps, \ ++} ++ ++static struct husb2_ep husb2_ep[] = { ++ EP("ep0", EP0, 0, 0), ++ EP("ep1in-bulk", BULK, 1, HUSB2_EP_CAP_DMA), ++ EP("ep2out-bulk", BULK, 2, HUSB2_EP_CAP_DMA), ++ EP("ep3in-iso", ISO, 3, HUSB2_EP_CAP_DMA | HUSB2_EP_CAP_ISOC), ++ EP("ep4out-iso", ISO, 4, HUSB2_EP_CAP_DMA | HUSB2_EP_CAP_ISOC), ++ EP("ep5in-int", INT, 5, HUSB2_EP_CAP_DMA), ++ EP("ep6out-int", INT, 6, HUSB2_EP_CAP_DMA), ++}; ++#undef EP ++ ++static struct usb_endpoint_descriptor husb2_ep0_desc = { ++ .bLength = USB_DT_ENDPOINT_SIZE, ++ .bDescriptorType = USB_DT_ENDPOINT, ++ .bEndpointAddress = 0, ++ .bmAttributes = USB_ENDPOINT_XFER_CONTROL, ++ .wMaxPacketSize = __constant_cpu_to_le16(64), ++ /* FIXME: I have no idea what to put here */ ++ .bInterval = 1, ++}; ++ ++static void nop_release(struct device *dev) ++{ ++ ++} ++ ++static struct husb2_udc the_udc = { ++ .gadget = { ++ .ops = &husb2_udc_ops, ++ .ep0 = &husb2_ep[0].ep, ++ .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list), ++ .is_dualspeed = 1, ++ .name = "husb2_udc", ++ .dev = { ++ .bus_id = "gadget", ++ .release = nop_release, ++ }, ++ }, ++ ++ .lock = SPIN_LOCK_UNLOCKED, ++}; ++ ++static void udc_enable(struct husb2_udc *udc) ++{ ++ struct husb2_ep *ep0 = &husb2_ep[0]; ++ ++ /* Enable the controller */ ++ husb2_writel(udc, CTRL, HUSB2_BIT(EN_HUSB2)); ++ ++ /* Reset all endpoints and enable basic interrupts */ ++ husb2_writel(udc, EPT_RST, ~0UL); ++ husb2_writel(udc, INT_ENB, (HUSB2_BIT(DET_SUSPEND) ++ | HUSB2_BIT(END_OF_RESET) ++ | HUSB2_BIT(END_OF_RESUME))); ++ ++ /* Configure endpoint 0 */ ++ ep0->desc = &husb2_ep0_desc; ++ ++ husb2_writel(udc, EPT_RST, 1 << 0); ++ husb2_ep_writel(ep0, CTL_ENB, HUSB2_BIT(EPT_ENABLE)); ++ husb2_ep_writel(ep0, CFG, (HUSB2_BF(EPT_SIZE, EP0_EPT_SIZE) ++ | HUSB2_BF(EPT_TYPE, HUSB2_EPT_TYPE_CONTROL) ++ | HUSB2_BF(BK_NUMBER, HUSB2_BK_NUMBER_ONE))); ++ ++ husb2_ep_writel(ep0, CTL_ENB, HUSB2_BIT(RX_SETUP)); ++ husb2_writel(udc, INT_ENB, (husb2_readl(udc, INT_ENB) ++ | HUSB2_BF(EPT_INT, 1))); ++ ++ if (!(husb2_ep_readl(ep0, CFG) & HUSB2_BIT(EPT_MAPPED))) ++ dev_warn(&udc->pdev->dev, ++ "WARNING: EP0 configuration is invalid!\n"); ++} ++ ++static void udc_disable(struct husb2_udc *udc) ++{ ++ udc->gadget.speed = USB_SPEED_UNKNOWN; ++ ++ husb2_writel(udc, CTRL, 0); ++} ++ ++/* ++ * Called with interrupts disabled and udc->lock held. ++ */ ++static void reset_all_endpoints(struct husb2_udc *udc) ++{ ++ struct husb2_ep *ep; ++ struct husb2_request *req, *tmp_req; ++ ++ husb2_writel(udc, EPT_RST, ~0UL); ++ ++ ep = to_husb2_ep(udc->gadget.ep0); ++ list_for_each_entry_safe(req, tmp_req, &ep->queue, queue) { ++ list_del_init(&req->queue); ++ request_complete(ep, req, -ECONNRESET); ++ } ++ BUG_ON(!list_empty(&ep->queue)); ++ ++ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) { ++ if (ep->desc) ++ husb2_ep_disable(&ep->ep); ++ } ++} ++ ++static struct husb2_ep *get_ep_by_addr(struct husb2_udc *udc, u16 wIndex) ++{ ++ struct husb2_ep *ep; ++ ++ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0) ++ return to_husb2_ep(udc->gadget.ep0); ++ ++ list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) { ++ u8 bEndpointAddress; ++ ++ if (!ep->desc) ++ continue; ++ bEndpointAddress = ep->desc->bEndpointAddress; ++ if ((wIndex ^ bEndpointAddress) & USB_DIR_IN) ++ continue; ++ if ((wIndex & USB_ENDPOINT_NUMBER_MASK) ++ == (bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)) ++ return ep; ++ } ++ ++ return NULL; ++} ++ ++/* Called with interrupts disabled and udc->lock held */ ++static inline void set_protocol_stall(struct husb2_udc *udc, ++ struct husb2_ep *ep) ++{ ++ husb2_ep_writel(ep, SET_STA, HUSB2_BIT(FORCE_STALL)); ++ ep->state = WAIT_FOR_SETUP; ++} ++ ++static inline int is_stalled(struct husb2_udc *udc, struct husb2_ep *ep) ++{ ++ if (husb2_ep_readl(ep, STA) & HUSB2_BIT(FORCE_STALL)) ++ return 1; ++ return 0; ++} ++ ++static inline void set_address(struct husb2_udc *udc, unsigned int addr) ++{ ++ u32 regval; ++ ++ DBG(DBG_BUS, "setting address %u...\n", addr); ++ regval = husb2_readl(udc, CTRL); ++ regval = HUSB2_BFINS(DEV_ADDR, addr, regval); ++ husb2_writel(udc, CTRL, regval); ++} ++ ++static int handle_ep0_setup(struct husb2_udc *udc, struct husb2_ep *ep, ++ struct usb_ctrlrequest *crq) ++{ ++ switch (crq->bRequest) { ++ case USB_REQ_GET_STATUS: { ++ u16 status; ++ ++ if (crq->bRequestType == (USB_DIR_IN | USB_RECIP_DEVICE)) { ++ /* Self-powered, no remote wakeup */ ++ status = __constant_cpu_to_le16(1 << 0); ++ } else if (crq->bRequestType ++ == (USB_DIR_IN | USB_RECIP_INTERFACE)) { ++ status = __constant_cpu_to_le16(0); ++ } else if (crq->bRequestType ++ == (USB_DIR_IN | USB_RECIP_ENDPOINT)) { ++ struct husb2_ep *target; ++ ++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); ++ if (!target) ++ goto stall; ++ ++ status = 0; ++ if (is_stalled(udc, target)) ++ status |= __constant_cpu_to_le16(1); ++ } else { ++ goto delegate; ++ } ++ ++ /* Write directly to the FIFO. No queueing is done. */ ++ if(crq->wLength != __constant_cpu_to_le16(sizeof(status))) ++ goto stall; ++ ep->state = DATA_STAGE_IN; ++ __raw_writew(status, ep->fifo); ++ husb2_ep_writel(ep, SET_STA, HUSB2_BIT(TX_PK_RDY)); ++ break; ++ } ++ ++ case USB_REQ_CLEAR_FEATURE: { ++ if (crq->bRequestType == USB_RECIP_DEVICE) { ++ /* We don't support TEST_MODE */ ++ goto stall; ++ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) { ++ struct husb2_ep *target; ++ ++ if (crq->wValue != __constant_cpu_to_le16(USB_ENDPOINT_HALT) ++ || crq->wLength != __constant_cpu_to_le16(0)) ++ goto stall; ++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); ++ if (!target) ++ goto stall; ++ ++ husb2_ep_writel(target, CLR_STA, (HUSB2_BIT(FORCE_STALL) ++ | HUSB2_BIT(TOGGLE_SEQ))); ++ } else { ++ goto delegate; ++ } ++ ++ send_status(udc, ep); ++ break; ++ } ++ ++ case USB_REQ_SET_FEATURE: { ++ if (crq->bRequestType == USB_RECIP_DEVICE) { ++ /* We don't support TEST_MODE */ ++ goto stall; ++ } else if (crq->bRequestType == USB_RECIP_ENDPOINT) { ++ struct husb2_ep *target; ++ ++ if (crq->wValue != __constant_cpu_to_le16(USB_ENDPOINT_HALT) ++ || crq->wLength != __constant_cpu_to_le16(0)) ++ goto stall; ++ ++ target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); ++ if (!target) ++ goto stall; ++ ++ husb2_ep_writel(target, SET_STA, HUSB2_BIT(FORCE_STALL)); ++ } else ++ goto delegate; ++ ++ send_status(udc, ep); ++ break; ++ } ++ ++ case USB_REQ_SET_ADDRESS: ++ if (crq->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE)) ++ goto delegate; ++ ++ set_address(udc, le16_to_cpu(crq->wValue)); ++ send_status(udc, ep); ++ ep->state = STATUS_STAGE_ADDR; ++ break; ++ ++ default: ++ delegate: ++ return udc->driver->setup(&udc->gadget, crq); ++ } ++ ++ return 0; ++ ++stall: ++ printk(KERN_ERR ++ "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, " ++ "halting endpoint...\n", ++ ep_name(ep), crq->bRequestType, crq->bRequest, ++ le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex), ++ le16_to_cpu(crq->wLength)); ++ set_protocol_stall(udc, ep); ++ return -1; ++} ++ ++static void husb2_control_irq(struct husb2_udc *udc, struct husb2_ep *ep) ++{ ++ struct husb2_request *req; ++ u32 epstatus; ++ u32 epctrl; ++ ++restart: ++ epstatus = husb2_ep_readl(ep, STA); ++ epctrl = husb2_ep_readl(ep, CTL); ++ ++ DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n", ++ ep_name(ep), epstatus); ++ ++ req = NULL; ++ if (!list_empty(&ep->queue)) ++ req = list_entry(ep->queue.next, ++ struct husb2_request, queue); ++ ++ if ((epctrl & HUSB2_BIT(TX_PK_RDY)) ++ && !(epstatus & HUSB2_BIT(TX_PK_RDY))) { ++ DBG(DBG_BUS, "tx pk rdy: %d\n", ep->state); ++ ++ if (req->submitted) ++ next_fifo_transaction(ep, req); ++ else ++ submit_request(ep, req); ++ ++ if (req->last_transaction) { ++ husb2_ep_writel(ep, CTL_DIS, HUSB2_BIT(TX_PK_RDY)); ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_COMPLETE)); ++ } ++ goto restart; ++ } ++ if ((epstatus & epctrl) & HUSB2_BIT(TX_COMPLETE)) { ++ husb2_ep_writel(ep, CLR_STA, HUSB2_BIT(TX_COMPLETE)); ++ DBG(DBG_BUS, "txc: %d\n", ep->state); ++ ++ switch (ep->state) { ++ case DATA_STAGE_IN: ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(RX_BK_RDY)); ++ husb2_ep_writel(ep, CTL_DIS, ++ HUSB2_BIT(TX_COMPLETE)); ++ ep->state = STATUS_STAGE_OUT; ++ break; ++ case STATUS_STAGE_ADDR: ++ /* Activate our new address */ ++ husb2_writel(udc, CTRL, (husb2_readl(udc, CTRL) ++ | HUSB2_BIT(FADDR_EN))); ++ husb2_ep_writel(ep, CTL_DIS, ++ HUSB2_BIT(TX_COMPLETE)); ++ ep->state = WAIT_FOR_SETUP; ++ break; ++ case STATUS_STAGE_IN: ++ if (req) { ++ list_del_init(&req->queue); ++ request_complete(ep, req, 0); ++ submit_next_request(ep); ++ } ++ BUG_ON(!list_empty(&ep->queue)); ++ husb2_ep_writel(ep, CTL_DIS, ++ HUSB2_BIT(TX_COMPLETE)); ++ ep->state = WAIT_FOR_SETUP; ++ break; ++ default: ++ printk(KERN_ERR ++ "udc: %s: TXCOMP: Invalid endpoint state %d, " ++ "halting endpoint...\n", ++ ep_name(ep), ep->state); ++ set_protocol_stall(udc, ep); ++ break; ++ } ++ ++ goto restart; ++ } ++ if ((epstatus & epctrl) & HUSB2_BIT(RX_BK_RDY)) { ++ DBG(DBG_BUS, "rxc: %d\n", ep->state); ++ ++ switch (ep->state) { ++ case STATUS_STAGE_OUT: ++ husb2_ep_writel(ep, CLR_STA, HUSB2_BIT(RX_BK_RDY)); ++ ++ if (req) { ++ list_del_init(&req->queue); ++ request_complete(ep, req, 0); ++ } ++ husb2_ep_writel(ep, CTL_DIS, HUSB2_BIT(RX_BK_RDY)); ++ ep->state = WAIT_FOR_SETUP; ++ break; ++ ++ case DATA_STAGE_OUT: ++ receive_data(ep); ++ break; ++ ++ default: ++ husb2_ep_writel(ep, CLR_STA, HUSB2_BIT(RX_BK_RDY)); ++ set_protocol_stall(udc, ep); ++ printk(KERN_ERR ++ "udc: %s: RXRDY: Invalid endpoint state %d, " ++ "halting endpoint...\n", ++ ep_name(ep), ep->state); ++ break; ++ } ++ ++ goto restart; ++ } ++ if (epstatus & HUSB2_BIT(RX_SETUP)) { ++ union { ++ struct usb_ctrlrequest crq; ++ unsigned long data[2]; ++ } crq; ++ unsigned int pkt_len; ++ int ret; ++ ++ if (ep->state != WAIT_FOR_SETUP) { ++ /* ++ * Didn't expect a SETUP packet at this ++ * point. Clean up any pending requests (which ++ * may be successful). ++ */ ++ int status = -EPROTO; ++ ++ /* ++ * RXRDY is dropped when SETUP packets arrive. ++ * Just pretend we received the status packet. ++ */ ++ if (ep->state == STATUS_STAGE_OUT) ++ status = 0; ++ ++ if (req) { ++ list_del_init(&req->queue); ++ request_complete(ep, req, status); ++ } ++ BUG_ON(!list_empty(&ep->queue)); ++ } ++ ++ pkt_len = HUSB2_BFEXT(BYTE_COUNT, husb2_ep_readl(ep, STA)); ++ DBG(DBG_HW, "Packet length: %u\n", pkt_len); ++ BUG_ON(pkt_len != sizeof(crq)); ++ ++ DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo); ++ copy_from_fifo(crq.data, ep->fifo, sizeof(crq)); ++ ++ /* Free up one bank in the FIFO so that we can ++ * generate or receive a reply right away. */ ++ husb2_ep_writel(ep, CLR_STA, HUSB2_BIT(RX_SETUP)); ++ ++ /* printk(KERN_DEBUG "setup: %d: %02x.%02x\n", ++ ep->state, crq.crq.bRequestType, ++ crq.crq.bRequest); */ ++ ++ if (crq.crq.bRequestType & USB_DIR_IN) { ++ /* ++ * The USB 2.0 spec states that "if wLength is ++ * zero, there is no data transfer phase." ++ * However, testusb #14 seems to actually ++ * expect a data phase even if wLength = 0... ++ */ ++ ep->state = DATA_STAGE_IN; ++ } else { ++ if (crq.crq.wLength != __constant_cpu_to_le16(0)) ++ ep->state = DATA_STAGE_OUT; ++ else ++ ep->state = STATUS_STAGE_IN; ++ } ++ ++ ret = -1; ++ if (ep->index == 0) ++ ret = handle_ep0_setup(udc, ep, &crq.crq); ++ else ++ ret = udc->driver->setup(&udc->gadget, &crq.crq); ++ ++ DBG(DBG_BUS, "req %02x.%02x, length %d, state %d, ret %d\n", ++ crq.crq.bRequestType, crq.crq.bRequest, ++ le16_to_cpu(crq.crq.wLength), ep->state, ret); ++ ++ if (ret < 0) { ++ /* Let the host know that we failed */ ++ set_protocol_stall(udc, ep); ++ } ++ } ++} ++ ++static void husb2_ep_irq(struct husb2_udc *udc, struct husb2_ep *ep) ++{ ++ struct husb2_request *req; ++ u32 epstatus; ++ u32 epctrl; ++ ++ epstatus = husb2_ep_readl(ep, STA); ++ epctrl = husb2_ep_readl(ep, CTL); ++ ++ DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n", ++ ep_name(ep), epstatus); ++ ++ while ((epctrl & HUSB2_BIT(TX_PK_RDY)) ++ && !(epstatus & HUSB2_BIT(TX_PK_RDY))) { ++ BUG_ON(!ep_is_in(ep)); ++ ++ DBG(DBG_BUS, "%s: TX PK ready\n", ep_name(ep)); ++ ++ if (list_empty(&ep->queue)) { ++ dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n"); ++ husb2_ep_writel(ep, CTL_DIS, HUSB2_BIT(TX_PK_RDY)); ++ return; ++ } ++ ++ req = list_entry(ep->queue.next, struct husb2_request, queue); ++ ++ if (req->using_dma) { ++ BUG_ON(!req->send_zlp); ++ ++ /* Send a zero-length packet */ ++ husb2_ep_writel(ep, SET_STA, ++ HUSB2_BIT(TX_PK_RDY)); ++ husb2_ep_writel(ep, CTL_DIS, ++ HUSB2_BIT(TX_PK_RDY)); ++ list_del_init(&req->queue); ++ submit_next_request(ep); ++ request_complete(ep, req, 0); ++ } else { ++ if (req->submitted) ++ next_fifo_transaction(ep, req); ++ else ++ submit_request(ep, req); ++ ++ if (req->last_transaction) { ++ list_del_init(&req->queue); ++ submit_next_request(ep); ++ request_complete(ep, req, 0); ++ } ++ } ++ ++ epstatus = husb2_ep_readl(ep, STA); ++ epctrl = husb2_ep_readl(ep, CTL); ++ } ++ if ((epstatus & epctrl) & HUSB2_BIT(RX_BK_RDY)) { ++ BUG_ON(ep_is_in(ep)); ++ ++ DBG(DBG_BUS, "%s: RX data ready\n", ep_name(ep)); ++ receive_data(ep); ++ husb2_ep_writel(ep, CLR_STA, HUSB2_BIT(RX_BK_RDY)); ++ } ++} ++ ++static void husb2_dma_irq(struct husb2_udc *udc, struct husb2_ep *ep) ++{ ++ struct husb2_request *req; ++ u32 status, control, pending; ++ ++ status = husb2_dma_readl(ep, STATUS); ++ control = husb2_dma_readl(ep, CONTROL); ++#ifdef CONFIG_DEBUG_FS ++ ep->last_dma_status = status; ++#endif ++ pending = status & control; ++ DBG(DBG_INT, "dma irq, status=%#08x, pending=%#08x, control=%#08x\n", ++ status, pending, control); ++ ++ BUG_ON(status & HUSB2_BIT(DMA_CH_EN)); ++ ++ if (list_empty(&ep->queue)) ++ /* Might happen if a reset comes along at the right moment */ ++ return; ++ ++ if (pending & (HUSB2_BIT(DMA_END_TR_ST) | HUSB2_BIT(DMA_END_BUF_ST))) { ++ req = list_entry(ep->queue.next, struct husb2_request, queue); ++ husb2_update_req(ep, req, status); ++ ++ if (req->send_zlp) { ++ husb2_ep_writel(ep, CTL_ENB, HUSB2_BIT(TX_PK_RDY)); ++ } else { ++ list_del_init(&req->queue); ++ submit_next_request(ep); ++ request_complete(ep, req, 0); ++ } ++ } ++} ++ ++static irqreturn_t husb2_udc_irq(int irq, void *devid) ++{ ++ struct husb2_udc *udc = devid; ++ u32 status; ++ u32 dma_status; ++ u32 ep_status; ++ ++ spin_lock(&udc->lock); ++ ++ status = husb2_readl(udc, INT_STA); ++ DBG(DBG_INT, "irq, status=%#08x\n", status); ++ ++ if (status & HUSB2_BIT(DET_SUSPEND)) { ++ husb2_writel(udc, INT_CLR, HUSB2_BIT(DET_SUSPEND)); ++ //DBG(DBG_BUS, "Suspend detected\n"); ++ if (udc->gadget.speed != USB_SPEED_UNKNOWN ++ && udc->driver && udc->driver->suspend) ++ udc->driver->suspend(&udc->gadget); ++ } ++ ++ if (status & HUSB2_BIT(WAKE_UP)) { ++ husb2_writel(udc, INT_CLR, HUSB2_BIT(WAKE_UP)); ++ //DBG(DBG_BUS, "Wake Up CPU detected\n"); ++ } ++ ++ if (status & HUSB2_BIT(END_OF_RESUME)) { ++ husb2_writel(udc, INT_CLR, HUSB2_BIT(END_OF_RESUME)); ++ DBG(DBG_BUS, "Resume detected\n"); ++ if (udc->gadget.speed != USB_SPEED_UNKNOWN ++ && udc->driver && udc->driver->resume) ++ udc->driver->resume(&udc->gadget); ++ } ++ ++ dma_status = HUSB2_BFEXT(DMA_INT, status); ++ if (dma_status) { ++ int i; ++ ++ for (i = 1; i < HUSB2_NR_ENDPOINTS; i++) ++ if (dma_status & (1 << i)) ++ husb2_dma_irq(udc, &husb2_ep[i]); ++ } ++ ++ ep_status = HUSB2_BFEXT(EPT_INT, status); ++ if (ep_status) { ++ int i; ++ ++ for (i = 0; i < HUSB2_NR_ENDPOINTS; i++) ++ if (ep_status & (1 << i)) { ++ if (ep_is_control(&husb2_ep[i])) ++ husb2_control_irq(udc, &husb2_ep[i]); ++ else ++ husb2_ep_irq(udc, &husb2_ep[i]); ++ } ++ } ++ ++ if (status & HUSB2_BIT(END_OF_RESET)) { ++ husb2_writel(udc, INT_CLR, HUSB2_BIT(END_OF_RESET)); ++ if (status & HUSB2_BIT(HIGH_SPEED)) { ++ DBG(DBG_BUS, "High-speed bus reset detected\n"); ++ udc->gadget.speed = USB_SPEED_HIGH; ++ } else { ++ DBG(DBG_BUS, "Full-speed bus reset detected\n"); ++ udc->gadget.speed = USB_SPEED_FULL; ++ } ++ /* Better start from scratch... */ ++ reset_all_endpoints(udc); ++ husb2_ep[0].state = WAIT_FOR_SETUP; ++ udc_enable(udc); ++ } ++ ++ spin_unlock(&udc->lock); ++ ++ return IRQ_HANDLED; ++} ++ ++int usb_gadget_register_driver(struct usb_gadget_driver *driver) ++{ ++ struct husb2_udc *udc = &the_udc; ++ int ret; ++ ++ spin_lock(&udc->lock); ++ ++ ret = -ENODEV; ++ if (!udc->pdev) ++ goto out; ++ ret = -EBUSY; ++ if (udc->driver) ++ goto out; ++ ++ udc->driver = driver; ++ udc->gadget.dev.driver = &driver->driver; ++ ++ device_add(&udc->gadget.dev); ++ ret = driver->bind(&udc->gadget); ++ if (ret) { ++ DBG(DBG_ERR, "Could not bind to driver %s: error %d\n", ++ driver->driver.name, ret); ++ device_del(&udc->gadget.dev); ++ ++ udc->driver = NULL; ++ udc->gadget.dev.driver = NULL; ++ goto out; ++ } ++ ++ /* TODO: Create sysfs files */ ++ ++ DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name); ++ udc_enable(udc); ++ ++out: ++ spin_unlock(&udc->lock); ++ return ret; ++} ++EXPORT_SYMBOL(usb_gadget_register_driver); ++ ++int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) ++{ ++ struct husb2_udc *udc = &the_udc; ++ int ret; ++ ++ spin_lock(&udc->lock); ++ ++ ret = -ENODEV; ++ if (!udc->pdev) ++ goto out; ++ ret = -EINVAL; ++ if (driver != udc->driver) ++ goto out; ++ ++ local_irq_disable(); ++ udc_disable(udc); ++ local_irq_enable(); ++ ++ driver->unbind(&udc->gadget); ++ udc->driver = NULL; ++ ++ device_del(&udc->gadget.dev); ++ ++ /* TODO: Remove sysfs files */ ++ ++ DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name); ++ ++out: ++ spin_unlock(&udc->lock); ++ return ret; ++} ++EXPORT_SYMBOL(usb_gadget_unregister_driver); ++ ++static int __devinit husb2_udc_probe(struct platform_device *pdev) ++{ ++ struct resource *regs, *fifo; ++ struct clk *pclk, *hclk; ++ struct husb2_udc *udc = &the_udc; ++ int irq, ret, i; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID); ++ fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID); ++ if (!regs || !fifo) ++ return -ENXIO; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return irq; ++ ++ pclk = clk_get(&pdev->dev, "pclk"); ++ if (IS_ERR(pclk)) ++ return PTR_ERR(pclk); ++ hclk = clk_get(&pdev->dev, "hclk"); ++ if (IS_ERR(hclk)) { ++ ret = PTR_ERR(hclk); ++ goto out_put_pclk; ++ } ++ ++ clk_enable(pclk); ++ clk_enable(hclk); ++ ++ udc->pdev = pdev; ++ udc->pclk = pclk; ++ udc->hclk = hclk; ++ ++ ret = -ENOMEM; ++ udc->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!udc->regs) { ++ dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n"); ++ goto out_disable_clocks; ++ } ++ dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n", ++ (unsigned long)regs->start, udc->regs); ++ udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1); ++ if (!udc->fifo) { ++ dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n"); ++ goto out_unmap_regs; ++ } ++ dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n", ++ (unsigned long)fifo->start, udc->fifo); ++ ++ device_initialize(&udc->gadget.dev); ++ udc->gadget.dev.parent = &pdev->dev; ++ udc->gadget.dev.dma_mask = pdev->dev.dma_mask; ++ ++ /* The 3-word descriptors must be 4-word aligned... */ ++ udc->desc_pool = dma_pool_create("husb2-desc", &pdev->dev, ++ sizeof(struct husb2_dma_desc), ++ 16, 0); ++ if (!udc->desc_pool) { ++ dev_err(&pdev->dev, "Cannot create descriptor DMA pool\n"); ++ goto out_unmap_fifo; ++ } ++ ++ platform_set_drvdata(pdev, udc); ++ ++ udc_disable(udc); ++ ++ INIT_LIST_HEAD(&husb2_ep[0].ep.ep_list); ++ husb2_ep[0].ep_regs = udc->regs + HUSB2_EPT_BASE(0); ++ husb2_ep[0].dma_regs = udc->regs + HUSB2_DMA_BASE(0); ++ husb2_ep[0].fifo = udc->fifo + HUSB2_FIFO_BASE(0); ++ for (i = 1; i < ARRAY_SIZE(husb2_ep); i++) { ++ struct husb2_ep *ep = &husb2_ep[i]; ++ ++ ep->ep_regs = udc->regs + HUSB2_EPT_BASE(i); ++ ep->dma_regs = udc->regs + HUSB2_DMA_BASE(i); ++ ep->fifo = udc->fifo + HUSB2_FIFO_BASE(i); ++ ++ list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); ++ } ++ ++ ret = request_irq(irq, husb2_udc_irq, SA_SAMPLE_RANDOM, ++ "husb2_udc", udc); ++ if (ret) { ++ dev_err(&pdev->dev, "Cannot request irq %d (error %d)\n", ++ irq, ret); ++ goto out_free_pool; ++ } ++ udc->irq = irq; ++ ++ husb2_init_debugfs(udc); ++ ++ return 0; ++ ++out_free_pool: ++ dma_pool_destroy(udc->desc_pool); ++out_unmap_fifo: ++ iounmap(udc->fifo); ++out_unmap_regs: ++ iounmap(udc->regs); ++out_disable_clocks: ++ clk_disable(hclk); ++ clk_disable(pclk); ++ clk_put(hclk); ++out_put_pclk: ++ clk_put(pclk); ++ ++ platform_set_drvdata(pdev, NULL); ++ ++ return ret; ++} ++ ++static int __devexit husb2_udc_remove(struct platform_device *pdev) ++{ ++ struct husb2_udc *udc; ++ ++ udc = platform_get_drvdata(pdev); ++ if (!udc) ++ return 0; ++ ++ husb2_cleanup_debugfs(udc); ++ ++ free_irq(udc->irq, udc); ++ dma_pool_destroy(udc->desc_pool); ++ iounmap(udc->fifo); ++ iounmap(udc->regs); ++ clk_disable(udc->hclk); ++ clk_disable(udc->pclk); ++ clk_put(udc->hclk); ++ clk_put(udc->pclk); ++ platform_set_drvdata(pdev, NULL); ++ ++ return 0; ++} ++ ++static struct platform_driver udc_driver = { ++ .probe = husb2_udc_probe, ++ .remove = __devexit_p(husb2_udc_remove), ++ .driver = { ++ .name = "usba", ++ }, ++}; ++ ++static int __init udc_init(void) ++{ ++ printk(KERN_INFO "husb2device: Driver version %s\n", DRIVER_VERSION); ++ return platform_driver_register(&udc_driver); ++} ++module_init(udc_init); ++ ++static void __exit udc_exit(void) ++{ ++ platform_driver_unregister(&udc_driver); ++} ++module_exit(udc_exit); ++ ++MODULE_DESCRIPTION("Atmel HUSB2 Device Controller driver"); ++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/husb2_udc.h linux-2.6.20.4-atmel/drivers/usb/gadget/husb2_udc.h +--- linux-2.6.20.4-0rig/drivers/usb/gadget/husb2_udc.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/husb2_udc.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,406 @@ ++/* ++ * Driver for the Atmel HUSB2device high speed USB device controller ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __LINUX_USB_GADGET_HUSB2_UDC_H__ ++#define __LINUX_USB_GADGET_HUSB2_UDC_H__ ++ ++/* USB register offsets */ ++#define HUSB2_CTRL 0x0000 ++#define HUSB2_FNUM 0x0004 ++#define HUSB2_INT_ENB 0x0010 ++#define HUSB2_INT_STA 0x0014 ++#define HUSB2_INT_CLR 0x0018 ++#define HUSB2_EPT_RST 0x001c ++#define HUSB2_TST_SOF_CNT 0x00d0 ++#define HUSB2_TST_CNT_A 0x00d4 ++#define HUSB2_TST_CNT_B 0x00d8 ++#define HUSB2_TST_MODE_REG 0x00dc ++#define HUSB2_TST 0x00f0 ++ ++/* USB endpoint register offsets */ ++#define HUSB2_EPT_CFG 0x0000 ++#define HUSB2_EPT_CTL_ENB 0x0004 ++#define HUSB2_EPT_CTL_DIS 0x0008 ++#define HUSB2_EPT_CTL 0x000c ++#define HUSB2_EPT_SET_STA 0x0014 ++#define HUSB2_EPT_CLR_STA 0x0018 ++#define HUSB2_EPT_STA 0x001c ++ ++/* USB DMA register offsets */ ++#define HUSB2_DMA_NXT_DSC 0x0000 ++#define HUSB2_DMA_ADDRESS 0x0004 ++#define HUSB2_DMA_CONTROL 0x0008 ++#define HUSB2_DMA_STATUS 0x000c ++ ++/* Bitfields in CTRL */ ++#define HUSB2_DEV_ADDR_OFFSET 0 ++#define HUSB2_DEV_ADDR_SIZE 7 ++#define HUSB2_FADDR_EN_OFFSET 7 ++#define HUSB2_FADDR_EN_SIZE 1 ++#define HUSB2_EN_HUSB2_OFFSET 8 ++#define HUSB2_EN_HUSB2_SIZE 1 ++#define HUSB2_DETACH_OFFSET 9 ++#define HUSB2_DETACH_SIZE 1 ++#define HUSB2_REMOTE_WAKE_UP_OFFSET 10 ++#define HUSB2_REMOTE_WAKE_UP_SIZE 1 ++ ++/* Bitfields in FNUM */ ++#define HUSB2_MICRO_FRAME_NUM_OFFSET 0 ++#define HUSB2_MICRO_FRAME_NUM_SIZE 3 ++#define HUSB2_FRAME_NUMBER_OFFSET 3 ++#define HUSB2_FRAME_NUMBER_SIZE 11 ++#define HUSB2_FRAME_NUM_ERROR_OFFSET 31 ++#define HUSB2_FRAME_NUM_ERROR_SIZE 1 ++ ++/* Bitfields in INT_ENB/INT_STA/INT_CLR */ ++#define HUSB2_HIGH_SPEED_OFFSET 0 ++#define HUSB2_HIGH_SPEED_SIZE 1 ++#define HUSB2_DET_SUSPEND_OFFSET 1 ++#define HUSB2_DET_SUSPEND_SIZE 1 ++#define HUSB2_MICRO_SOF_OFFSET 2 ++#define HUSB2_MICRO_SOF_SIZE 1 ++#define HUSB2_SOF_OFFSET 3 ++#define HUSB2_SOF_SIZE 1 ++#define HUSB2_END_OF_RESET_OFFSET 4 ++#define HUSB2_END_OF_RESET_SIZE 1 ++#define HUSB2_WAKE_UP_OFFSET 5 ++#define HUSB2_WAKE_UP_SIZE 1 ++#define HUSB2_END_OF_RESUME_OFFSET 6 ++#define HUSB2_END_OF_RESUME_SIZE 1 ++#define HUSB2_UPSTREAM_RESUME_OFFSET 7 ++#define HUSB2_UPSTREAM_RESUME_SIZE 1 ++#define HUSB2_EPT_INT_OFFSET 8 ++#define HUSB2_EPT_INT_SIZE 16 ++#define HUSB2_DMA_INT_OFFSET 24 ++#define HUSB2_DMA_INT_SIZE 8 ++ ++/* Bitfields in EPT_RST */ ++#define HUSB2_RST_OFFSET 0 ++#define HUSB2_RST_SIZE 16 ++ ++/* Bitfields in TST_SOF_CNT */ ++#define HUSB2_SOF_CNT_MAX_OFFSET 0 ++#define HUSB2_SOF_CNT_MAX_SIZE 7 ++#define HUSB2_SOF_CNT_LOAD_OFFSET 7 ++#define HUSB2_SOF_CNT_LOAD_SIZE 1 ++ ++/* Bitfields in TST_CNT_A */ ++#define HUSB2_CNT_A_MAX_OFFSET 0 ++#define HUSB2_CNT_A_MAX_SIZE 7 ++#define HUSB2_CNT_A_LOAD_OFFSET 7 ++#define HUSB2_CNT_A_LOAD_SIZE 1 ++ ++/* Bitfields in TST_CNT_B */ ++#define HUSB2_CNT_B_MAX_OFFSET 0 ++#define HUSB2_CNT_B_MAX_SIZE 7 ++#define HUSB2_CNT_B_LOAD_OFFSET 7 ++#define HUSB2_CNT_B_LOAD_SIZE 1 ++ ++/* Bitfields in TST_MODE_REG */ ++#define HUSB2_TST_MODE_OFFSET 0 ++#define HUSB2_TST_MODE_SIZE 6 ++ ++/* Bitfields in HUSB2_TST */ ++#define HUSB2_SPEED_CFG_OFFSET 0 ++#define HUSB2_SPEED_CFG_SIZE 2 ++#define HUSB2_TST_J_MODE_OFFSET 2 ++#define HUSB2_TST_J_MODE_SIZE 1 ++#define HUSB2_TST_K_MODE_OFFSET 3 ++#define HUSB2_TST_K_MODE_SIZE 1 ++#define HUSB2_TST_PKT_MODE_OFFSE 4 ++#define HUSB2_TST_PKT_MODE_SIZE 1 ++#define HUSB2_OPMODE2_OFFSET 5 ++#define HUSB2_OPMODE2_SIZE 1 ++ ++/* Bitfields in EPT_CFG */ ++#define HUSB2_EPT_SIZE_OFFSET 0 ++#define HUSB2_EPT_SIZE_SIZE 3 ++#define HUSB2_EPT_DIR_OFFSET 3 ++#define HUSB2_EPT_DIR_SIZE 1 ++#define HUSB2_EPT_TYPE_OFFSET 4 ++#define HUSB2_EPT_TYPE_SIZE 2 ++#define HUSB2_BK_NUMBER_OFFSET 6 ++#define HUSB2_BK_NUMBER_SIZE 2 ++#define HUSB2_NB_TRANS_OFFSET 8 ++#define HUSB2_NB_TRANS_SIZE 2 ++#define HUSB2_EPT_MAPPED_OFFSET 31 ++#define HUSB2_EPT_MAPPED_SIZE 1 ++ ++/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */ ++#define HUSB2_EPT_ENABLE_OFFSET 0 ++#define HUSB2_EPT_ENABLE_SIZE 1 ++#define HUSB2_AUTO_VALID_OFFSET 1 ++#define HUSB2_AUTO_VALID_SIZE 1 ++#define HUSB2_INT_DIS_DMA_OFFSET 3 ++#define HUSB2_INT_DIS_DMA_SIZE 1 ++#define HUSB2_NYET_DIS_OFFSET 4 ++#define HUSB2_NYET_DIS_SIZE 1 ++#define HUSB2_DATAX_RX_OFFSET 6 ++#define HUSB2_DATAX_RX_SIZE 1 ++#define HUSB2_MDATA_RX_OFFSET 7 ++#define HUSB2_MDATA_RX_SIZE 1 ++/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */ ++#define HUSB2_BUSY_BANK_IE_OFFSET 18 ++#define HUSB2_BUSY_BANK_IE_SIZE 1 ++ ++/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */ ++#define HUSB2_FORCE_STALL_OFFSET 5 ++#define HUSB2_FORCE_STALL_SIZE 1 ++#define HUSB2_TOGGLE_SEQ_OFFSET 6 ++#define HUSB2_TOGGLE_SEQ_SIZE 2 ++#define HUSB2_ERR_OVFLW_OFFSET 8 ++#define HUSB2_ERR_OVFLW_SIZE 1 ++#define HUSB2_RX_BK_RDY_OFFSET 9 ++#define HUSB2_RX_BK_RDY_SIZE 1 ++#define HUSB2_KILL_BANK_OFFSET 9 ++#define HUSB2_KILL_BANK_SIZE 1 ++#define HUSB2_TX_COMPLETE_OFFSET 10 ++#define HUSB2_TX_COMPLETE_SIZE 1 ++#define HUSB2_TX_PK_RDY_OFFSET 11 ++#define HUSB2_TX_PK_RDY_SIZE 1 ++#define HUSB2_ISO_ERR_TRANS_OFFSET 11 ++#define HUSB2_ISO_ERR_TRANS_SIZE 1 ++#define HUSB2_RX_SETUP_OFFSET 12 ++#define HUSB2_RX_SETUP_SIZE 1 ++#define HUSB2_ISO_ERR_FLOW_OFFSET 12 ++#define HUSB2_ISO_ERR_FLOW_SIZE 1 ++#define HUSB2_STALL_SENT_OFFSET 13 ++#define HUSB2_STALL_SENT_SIZE 1 ++#define HUSB2_ISO_ERR_CRC_OFFSET 13 ++#define HUSB2_ISO_ERR_CRC_SIZE 1 ++#define HUSB2_ISO_ERR_NBTRANS_OFFSET 13 ++#define HUSB2_ISO_ERR_NBTRANS_SIZE 1 ++#define HUSB2_NAK_IN_OFFSET 14 ++#define HUSB2_NAK_IN_SIZE 1 ++#define HUSB2_ISO_ERR_FLUSH_OFFSET 14 ++#define HUSB2_ISO_ERR_FLUSH_SIZE 1 ++#define HUSB2_NAK_OUT_OFFSET 15 ++#define HUSB2_NAK_OUT_SIZE 1 ++#define HUSB2_CURRENT_BANK_OFFSET 16 ++#define HUSB2_CURRENT_BANK_SIZE 2 ++#define HUSB2_BUSY_BANKS_OFFSET 18 ++#define HUSB2_BUSY_BANKS_SIZE 2 ++#define HUSB2_BYTE_COUNT_OFFSET 20 ++#define HUSB2_BYTE_COUNT_SIZE 11 ++#define HUSB2_SHORT_PACKET_OFFSET 31 ++#define HUSB2_SHORT_PACKET_SIZE 1 ++ ++/* Bitfields in DMA_CONTROL */ ++#define HUSB2_DMA_CH_EN_OFFSET 0 ++#define HUSB2_DMA_CH_EN_SIZE 1 ++#define HUSB2_DMA_LINK_OFFSET 1 ++#define HUSB2_DMA_LINK_SIZE 1 ++#define HUSB2_DMA_END_TR_EN_OFFSET 2 ++#define HUSB2_DMA_END_TR_EN_SIZE 1 ++#define HUSB2_DMA_END_BUF_EN_OFFSET 3 ++#define HUSB2_DMA_END_BUF_EN_SIZE 1 ++#define HUSB2_DMA_END_TR_IE_OFFSET 4 ++#define HUSB2_DMA_END_TR_IE_SIZE 1 ++#define HUSB2_DMA_END_BUF_IE_OFFSET 5 ++#define HUSB2_DMA_END_BUF_IE_SIZE 1 ++#define HUSB2_DMA_DESC_LOAD_IE_OFFSET 6 ++#define HUSB2_DMA_DESC_LOAD_IE_SIZE 1 ++#define HUSB2_DMA_BURST_LOCK_OFFSET 7 ++#define HUSB2_DMA_BURST_LOCK_SIZE 1 ++#define HUSB2_DMA_BUF_LEN_OFFSET 16 ++#define HUSB2_DMA_BUF_LEN_SIZE 16 ++ ++/* Bitfields in DMA_STATUS */ ++#define HUSB2_DMA_CH_ACTIVE_OFFSET 1 ++#define HUSB2_DMA_CH_ACTIVE_SIZE 1 ++#define HUSB2_DMA_END_TR_ST_OFFSET 4 ++#define HUSB2_DMA_END_TR_ST_SIZE 1 ++#define HUSB2_DMA_END_BUF_ST_OFFSET 5 ++#define HUSB2_DMA_END_BUF_ST_SIZE 1 ++#define HUSB2_DMA_DESC_LOAD_ST_OFFSET 6 ++#define HUSB2_DMA_DESC_LOAD_ST_SIZE 1 ++ ++/* Constants for SPEED_CFG */ ++#define HUSB2_SPEED_CFG_NORMAL 0 ++#define HUSB2_SPEED_CFG_FORCE_HIGH 2 ++#define HUSB2_SPEED_CFG_FORCE_FULL 3 ++ ++/* Constants for EPT_SIZE */ ++#define HUSB2_EPT_SIZE_8 0 ++#define HUSB2_EPT_SIZE_16 1 ++#define HUSB2_EPT_SIZE_32 2 ++#define HUSB2_EPT_SIZE_64 3 ++#define HUSB2_EPT_SIZE_128 4 ++#define HUSB2_EPT_SIZE_256 5 ++#define HUSB2_EPT_SIZE_512 6 ++#define HUSB2_EPT_SIZE_1024 7 ++ ++/* Constants for EPT_TYPE */ ++#define HUSB2_EPT_TYPE_CONTROL 0 ++#define HUSB2_EPT_TYPE_ISO 1 ++#define HUSB2_EPT_TYPE_BULK 2 ++#define HUSB2_EPT_TYPE_INT 3 ++ ++/* Constants for BK_NUMBER */ ++#define HUSB2_BK_NUMBER_ZERO 0 ++#define HUSB2_BK_NUMBER_ONE 1 ++#define HUSB2_BK_NUMBER_DOUBLE 2 ++#define HUSB2_BK_NUMBER_TRIPLE 3 ++ ++/* Bit manipulation macros */ ++#define HUSB2_BIT(name) \ ++ (1 << HUSB2_##name##_OFFSET) ++#define HUSB2_BF(name,value) \ ++ (((value) & ((1 << HUSB2_##name##_SIZE) - 1)) \ ++ << HUSB2_##name##_OFFSET) ++#define HUSB2_BFEXT(name,value) \ ++ (((value) >> HUSB2_##name##_OFFSET) \ ++ & ((1 << HUSB2_##name##_SIZE) - 1)) ++#define HUSB2_BFINS(name,value,old) \ ++ (((old) & ~(((1 << HUSB2_##name##_SIZE) - 1) \ ++ << HUSB2_##name##_OFFSET)) \ ++ | HUSB2_BF(name,value)) ++ ++/* Register access macros */ ++#define husb2_readl(udc,reg) \ ++ __raw_readl((udc)->regs + HUSB2_##reg) ++#define husb2_writel(udc,reg,value) \ ++ __raw_writel((value), (udc)->regs + HUSB2_##reg) ++#define husb2_ep_readl(ep,reg) \ ++ __raw_readl((ep)->ep_regs + HUSB2_EPT_##reg) ++#define husb2_ep_writel(ep,reg,value) \ ++ __raw_writel((value), (ep)->ep_regs + HUSB2_EPT_##reg) ++#define husb2_dma_readl(ep,reg) \ ++ __raw_readl((ep)->dma_regs + HUSB2_DMA_##reg) ++#define husb2_dma_writel(ep,reg,value) \ ++ __raw_writel((value), (ep)->dma_regs + HUSB2_DMA_##reg) ++ ++/* Calculate base address for a given endpoint or DMA controller */ ++#define HUSB2_EPT_BASE(x) (0x100 + (x) * 0x20) ++#define HUSB2_DMA_BASE(x) (0x300 + (x) * 0x10) ++#define HUSB2_FIFO_BASE(x) ((x) << 16) ++ ++/* Synth parameters */ ++#define HUSB2_NR_ENDPOINTS 7 ++ ++#define EP0_FIFO_SIZE 64 ++#define EP0_EPT_SIZE HUSB2_EPT_SIZE_64 ++#define EP0_NR_BANKS 1 ++#define BULK_FIFO_SIZE 512 ++#define BULK_EPT_SIZE HUSB2_EPT_SIZE_512 ++#define BULK_NR_BANKS 2 ++#define ISO_FIFO_SIZE 1024 ++#define ISO_EPT_SIZE HUSB2_EPT_SIZE_1024 ++#define ISO_NR_BANKS 3 ++#define INT_FIFO_SIZE 64 ++#define INT_EPT_SIZE HUSB2_EPT_SIZE_64 ++#define INT_NR_BANKS 3 ++ ++enum husb2_ctrl_state { ++ WAIT_FOR_SETUP, ++ DATA_STAGE_IN, ++ DATA_STAGE_OUT, ++ STATUS_STAGE_IN, ++ STATUS_STAGE_OUT, ++ STATUS_STAGE_ADDR, ++}; ++/* ++ EP_STATE_IDLE, ++ EP_STATE_SETUP, ++ EP_STATE_IN_DATA, ++ EP_STATE_OUT_DATA, ++ EP_STATE_SET_ADDR_STATUS, ++ EP_STATE_RX_STATUS, ++ EP_STATE_TX_STATUS, ++ EP_STATE_HALT, ++*/ ++ ++struct husb2_dma_desc { ++ dma_addr_t next; ++ dma_addr_t addr; ++ u32 ctrl; ++}; ++ ++struct husb2_ep { ++ int state; ++ void __iomem *ep_regs; ++ void __iomem *dma_regs; ++ void __iomem *fifo; ++ struct usb_ep ep; ++ struct husb2_udc *udc; ++ ++ struct list_head queue; ++ const struct usb_endpoint_descriptor *desc; ++ ++ u16 fifo_size; ++ u8 nr_banks; ++ u8 index; ++ u8 capabilities; ++ ++#ifdef CONFIG_DEBUG_FS ++ u32 last_dma_status; ++ struct dentry *debugfs_dir; ++ struct dentry *debugfs_queue; ++ struct dentry *debugfs_dma_status; ++#endif ++}; ++#define HUSB2_EP_CAP_ISOC 0x0001 ++#define HUSB2_EP_CAP_DMA 0x0002 ++ ++struct husb2_packet { ++ struct husb2_dma_desc *desc; ++ dma_addr_t desc_dma; ++}; ++ ++struct husb2_request { ++ struct usb_request req; ++ struct list_head queue; ++ ++ struct husb2_packet *packet; ++ unsigned int nr_pkts; ++ ++ unsigned int submitted:1; ++ unsigned int using_dma:1; ++ unsigned int last_transaction:1; ++ unsigned int send_zlp:1; ++}; ++ ++struct husb2_udc { ++ spinlock_t lock; ++ ++ void __iomem *regs; ++ void __iomem *fifo; ++ ++ struct dma_pool *desc_pool; ++ ++ struct usb_gadget gadget; ++ struct usb_gadget_driver *driver; ++ struct platform_device *pdev; ++ int irq; ++ struct clk *pclk; ++ struct clk *hclk; ++ ++#ifdef CONFIG_DEBUG_FS ++ struct dentry *debugfs_root; ++ struct dentry *debugfs_regs; ++#endif ++}; ++ ++#define to_husb2_ep(x) container_of((x), struct husb2_ep, ep) ++#define to_husb2_req(x) container_of((x), struct husb2_request, req) ++#define to_husb2_udc(x) container_of((x), struct husb2_udc, gadget) ++ ++#define ep_index(ep) ((ep)->index) ++#define ep_can_dma(ep) ((ep)->capabilities & HUSB2_EP_CAP_DMA) ++#define ep_is_in(ep) (((ep)->desc->bEndpointAddress \ ++ & USB_ENDPOINT_DIR_MASK) \ ++ == USB_DIR_IN) ++#define ep_is_isochronous(ep) \ ++ (((ep)->desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) \ ++ == USB_ENDPOINT_XFER_ISOC) ++#define ep_is_control(ep) (ep_index(ep) == 0) ++#define ep_name(ep) ((ep)->ep.name) ++#define ep_is_idle(ep) ((ep)->state == EP_STATE_IDLE) ++ ++#endif /* __LINUX_USB_GADGET_HUSB2_H */ +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/Kconfig linux-2.6.20.4-atmel/drivers/usb/gadget/Kconfig +--- linux-2.6.20.4-0rig/drivers/usb/gadget/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -154,6 +154,16 @@ + default USB_GADGET + select USB_GADGET_SELECTED + ++config USB_GADGET_HUSB2DEV ++ boolean "Atmel HUSB2DEVICE" ++ select USB_GADGET_DUALSPEED ++ depends on AVR32 ++ ++config USB_HUSB2DEV ++ tristate ++ depends on USB_GADGET_HUSB2DEV ++ default USB_GADGET ++ select USB_GADGET_SELECTED + + config USB_GADGET_OMAP + boolean "OMAP USB Device Controller" +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/Makefile linux-2.6.20.4-atmel/drivers/usb/gadget/Makefile +--- linux-2.6.20.4-0rig/drivers/usb/gadget/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -8,6 +8,7 @@ + obj-$(CONFIG_USB_OMAP) += omap_udc.o + obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o + obj-$(CONFIG_USB_AT91) += at91_udc.o ++obj-$(CONFIG_USB_HUSB2DEV) += husb2_udc.o + + # + # USB gadget drivers +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/serial.c linux-2.6.20.4-atmel/drivers/usb/gadget/serial.c +--- linux-2.6.20.4-0rig/drivers/usb/gadget/serial.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/serial.c 2007-03-24 16:42:28.000000000 +0100 +@@ -333,7 +333,7 @@ + .strings = gs_strings, + }; + +-static struct usb_device_descriptor gs_device_desc = { ++static struct usb_device_descriptor __attribute__((aligned(2))) gs_device_desc = { + .bLength = USB_DT_DEVICE_SIZE, + .bDescriptorType = USB_DT_DEVICE, + .bcdUSB = __constant_cpu_to_le16(0x0200), +@@ -353,7 +353,7 @@ + .bmAttributes = USB_OTG_SRP, + }; + +-static struct usb_config_descriptor gs_bulk_config_desc = { ++static struct usb_config_descriptor __attribute__((aligned(2))) gs_bulk_config_desc = { + .bLength = USB_DT_CONFIG_SIZE, + .bDescriptorType = USB_DT_CONFIG, + /* .wTotalLength computed dynamically */ +@@ -364,7 +364,7 @@ + .bMaxPower = 1, + }; + +-static struct usb_config_descriptor gs_acm_config_desc = { ++static struct usb_config_descriptor __attribute__((aligned(2))) gs_acm_config_desc = { + .bLength = USB_DT_CONFIG_SIZE, + .bDescriptorType = USB_DT_CONFIG, + /* .wTotalLength computed dynamically */ +@@ -375,7 +375,7 @@ + .bMaxPower = 1, + }; + +-static const struct usb_interface_descriptor gs_bulk_interface_desc = { ++static const struct usb_interface_descriptor __attribute__((aligned(2))) gs_bulk_interface_desc = { + .bLength = USB_DT_INTERFACE_SIZE, + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = GS_BULK_INTERFACE_ID, +@@ -386,7 +386,7 @@ + .iInterface = GS_DATA_STR_ID, + }; + +-static const struct usb_interface_descriptor gs_control_interface_desc = { ++static const struct usb_interface_descriptor __attribute__((aligned(2))) gs_control_interface_desc = { + .bLength = USB_DT_INTERFACE_SIZE, + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = GS_CONTROL_INTERFACE_ID, +@@ -397,7 +397,7 @@ + .iInterface = GS_CONTROL_STR_ID, + }; + +-static const struct usb_interface_descriptor gs_data_interface_desc = { ++static const struct usb_interface_descriptor __attribute__((aligned(2))) gs_data_interface_desc = { + .bLength = USB_DT_INTERFACE_SIZE, + .bDescriptorType = USB_DT_INTERFACE, + .bInterfaceNumber = GS_DATA_INTERFACE_ID, +@@ -408,7 +408,7 @@ + .iInterface = GS_DATA_STR_ID, + }; + +-static const struct usb_cdc_header_desc gs_header_desc = { ++static const struct usb_cdc_header_desc __attribute__((aligned(2))) gs_header_desc = { + .bLength = sizeof(gs_header_desc), + .bDescriptorType = USB_DT_CS_INTERFACE, + .bDescriptorSubType = USB_CDC_HEADER_TYPE, +@@ -438,7 +438,7 @@ + .bSlaveInterface0 = 1, /* index of data interface */ + }; + +-static struct usb_endpoint_descriptor gs_fullspeed_notify_desc = { ++static struct usb_endpoint_descriptor __attribute__((aligned(2))) gs_fullspeed_notify_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = USB_DIR_IN, +@@ -447,14 +447,14 @@ + .bInterval = 1 << GS_LOG2_NOTIFY_INTERVAL, + }; + +-static struct usb_endpoint_descriptor gs_fullspeed_in_desc = { ++static struct usb_endpoint_descriptor __attribute__((aligned(2))) gs_fullspeed_in_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = USB_DIR_IN, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + }; + +-static struct usb_endpoint_descriptor gs_fullspeed_out_desc = { ++static struct usb_endpoint_descriptor __attribute__((aligned(2))) gs_fullspeed_out_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = USB_DIR_OUT, +@@ -484,7 +484,7 @@ + }; + + #ifdef CONFIG_USB_GADGET_DUALSPEED +-static struct usb_endpoint_descriptor gs_highspeed_notify_desc = { ++static struct usb_endpoint_descriptor __attribute__((aligned(2))) gs_highspeed_notify_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bEndpointAddress = USB_DIR_IN, +@@ -493,21 +493,21 @@ + .bInterval = GS_LOG2_NOTIFY_INTERVAL+4, + }; + +-static struct usb_endpoint_descriptor gs_highspeed_in_desc = { ++static struct usb_endpoint_descriptor __attribute__((aligned(2))) gs_highspeed_in_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = __constant_cpu_to_le16(512), + }; + +-static struct usb_endpoint_descriptor gs_highspeed_out_desc = { ++static struct usb_endpoint_descriptor __attribute__((aligned(2))) gs_highspeed_out_desc = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + .bmAttributes = USB_ENDPOINT_XFER_BULK, + .wMaxPacketSize = __constant_cpu_to_le16(512), + }; + +-static struct usb_qualifier_descriptor gs_qualifier_desc = { ++static struct usb_qualifier_descriptor __attribute__((aligned(2))) gs_qualifier_desc = { + .bLength = sizeof(struct usb_qualifier_descriptor), + .bDescriptorType = USB_DT_DEVICE_QUALIFIER, + .bcdUSB = __constant_cpu_to_le16 (0x0200), +diff -urN linux-2.6.20.4-0rig/drivers/usb/gadget/zero.c linux-2.6.20.4-atmel/drivers/usb/gadget/zero.c +--- linux-2.6.20.4-0rig/drivers/usb/gadget/zero.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/gadget/zero.c 2007-03-24 16:42:28.000000000 +0100 +@@ -221,7 +221,7 @@ + #define CONFIG_LOOPBACK 2 + + static struct usb_device_descriptor +-device_desc = { ++device_desc __attribute__((aligned(2))) = { + .bLength = sizeof device_desc, + .bDescriptorType = USB_DT_DEVICE, + +@@ -237,7 +237,7 @@ + }; + + static struct usb_config_descriptor +-source_sink_config = { ++source_sink_config __attribute__((aligned(2))) = { + .bLength = sizeof source_sink_config, + .bDescriptorType = USB_DT_CONFIG, + +@@ -250,7 +250,7 @@ + }; + + static struct usb_config_descriptor +-loopback_config = { ++loopback_config __attribute__((aligned(2))) = { + .bLength = sizeof loopback_config, + .bDescriptorType = USB_DT_CONFIG, + +@@ -273,7 +273,7 @@ + /* one interface in each configuration */ + + static const struct usb_interface_descriptor +-source_sink_intf = { ++source_sink_intf __attribute__((aligned(2))) = { + .bLength = sizeof source_sink_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -283,7 +283,7 @@ + }; + + static const struct usb_interface_descriptor +-loopback_intf = { ++loopback_intf __attribute__((aligned(2))) = { + .bLength = sizeof loopback_intf, + .bDescriptorType = USB_DT_INTERFACE, + +@@ -295,7 +295,7 @@ + /* two full speed bulk endpoints; their use is config-dependent */ + + static struct usb_endpoint_descriptor +-fs_source_desc = { ++fs_source_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -304,7 +304,7 @@ + }; + + static struct usb_endpoint_descriptor +-fs_sink_desc = { ++fs_sink_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -340,7 +340,7 @@ + */ + + static struct usb_endpoint_descriptor +-hs_source_desc = { ++hs_source_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -349,7 +349,7 @@ + }; + + static struct usb_endpoint_descriptor +-hs_sink_desc = { ++hs_sink_desc __attribute__((aligned(2))) = { + .bLength = USB_DT_ENDPOINT_SIZE, + .bDescriptorType = USB_DT_ENDPOINT, + +@@ -358,7 +358,7 @@ + }; + + static struct usb_qualifier_descriptor +-dev_qualifier = { ++dev_qualifier __attribute__((aligned(2))) = { + .bLength = sizeof dev_qualifier, + .bDescriptorType = USB_DT_DEVICE_QUALIFIER, + +diff -urN linux-2.6.20.4-0rig/drivers/usb/host/ohci-at91.c linux-2.6.20.4-atmel/drivers/usb/host/ohci-at91.c +--- linux-2.6.20.4-0rig/drivers/usb/host/ohci-at91.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/usb/host/ohci-at91.c 2007-03-24 16:39:15.000000000 +0100 +@@ -18,19 +18,38 @@ + #include <asm/mach-types.h> + #include <asm/hardware.h> + #include <asm/arch/board.h> ++#include <asm/arch/cpu.h> + + #ifndef CONFIG_ARCH_AT91 + #error "CONFIG_ARCH_AT91 must be defined." + #endif + + /* interface and function clocks */ +-static struct clk *iclk, *fclk; ++static struct clk *iclk, *fclk, *hclock; + static int clocked; + + extern int usb_disabled(void); + + /*-------------------------------------------------------------------------*/ + ++static void at91_start_clock(void) ++{ ++ if (cpu_is_at91sam9261()) ++ clk_enable(hclock); ++ clk_enable(iclk); ++ clk_enable(fclk); ++ clocked = 1; ++} ++ ++static void at91_stop_clock(void) ++{ ++ clk_disable(fclk); ++ clk_disable(iclk); ++ if (cpu_is_at91sam9261()) ++ clk_disable(hclock); ++ clocked = 0; ++} ++ + static void at91_start_hc(struct platform_device *pdev) + { + struct usb_hcd *hcd = platform_get_drvdata(pdev); +@@ -41,9 +60,7 @@ + /* + * Start the USB clocks. + */ +- clk_enable(iclk); +- clk_enable(fclk); +- clocked = 1; ++ at91_start_clock(); + + /* + * The USB host controller must remain in reset. +@@ -66,9 +83,7 @@ + /* + * Stop the USB clocks. + */ +- clk_disable(fclk); +- clk_disable(iclk); +- clocked = 0; ++ at91_stop_clock(); + } + + +@@ -126,6 +141,8 @@ + + iclk = clk_get(&pdev->dev, "ohci_clk"); + fclk = clk_get(&pdev->dev, "uhpck"); ++ if (cpu_is_at91sam9261()) ++ hclock = clk_get(&pdev->dev, "hck0"); + + at91_start_hc(pdev); + ohci_hcd_init(hcd_to_ohci(hcd)); +@@ -137,6 +154,8 @@ + /* Error handling */ + at91_stop_hc(pdev); + ++ if (cpu_is_at91sam9261()) ++ clk_put(hclock); + clk_put(fclk); + clk_put(iclk); + +@@ -170,11 +189,12 @@ + at91_stop_hc(pdev); + iounmap(hcd->regs); + release_mem_region(hcd->rsrc_start, hcd->rsrc_len); +- disable_irq_wake(hcd->irq); + ++ if (cpu_is_at91sam9261()) ++ clk_put(hclock); + clk_put(fclk); + clk_put(iclk); +- fclk = iclk = NULL; ++ fclk = iclk = hclock = NULL; + + dev_set_drvdata(&pdev->dev, NULL); + return 0; +@@ -271,8 +291,6 @@ + + if (device_may_wakeup(&pdev->dev)) + enable_irq_wake(hcd->irq); +- else +- disable_irq_wake(hcd->irq); + + /* + * The integrated transceivers seem unable to notice disconnect, +@@ -283,9 +301,7 @@ + */ + if (at91_suspend_entering_slow_clock()) { + ohci_usb_reset (ohci); +- clk_disable(fclk); +- clk_disable(iclk); +- clocked = 0; ++ at91_stop_clock(); + } + + return 0; +@@ -293,11 +309,13 @@ + + static int ohci_hcd_at91_drv_resume(struct platform_device *pdev) + { +- if (!clocked) { +- clk_enable(iclk); +- clk_enable(fclk); +- clocked = 1; +- } ++ struct usb_hcd *hcd = platform_get_drvdata(pdev); ++ ++ if (device_may_wakeup(&pdev->dev)) ++ disable_irq_wake(hcd->irq); ++ ++ if (!clocked) ++ at91_start_clock(); + + return 0; + } +diff -urN linux-2.6.20.4-0rig/drivers/video/atmel_lcdfb.c linux-2.6.20.4-atmel/drivers/video/atmel_lcdfb.c +--- linux-2.6.20.4-0rig/drivers/video/atmel_lcdfb.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/atmel_lcdfb.c 2007-03-24 16:39:15.000000000 +0100 +@@ -0,0 +1,781 @@ ++/* ++ * drivers/video/atmel_lcdfb.c ++ * ++ * Driver for AT91/AVR32 LCD Controller ++ * ++ * Copyright (C) 2007 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/platform_device.h> ++#include <linux/dma-mapping.h> ++#include <linux/interrupt.h> ++#include <linux/clk.h> ++#include <linux/fb.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++ ++#include <asm/arch/board.h> ++#include <asm/arch/cpu.h> ++#include <asm/arch/gpio.h> ++ ++#include <video/atmel_lcdc.h> ++ ++#define lcdc_readl(sinfo, reg) __raw_readl((sinfo)->mmio+(reg)) ++#define lcdc_writel(sinfo, reg, val) __raw_writel((val), (sinfo)->mmio+(reg)) ++ ++/* More or less configurable parameters */ ++#define ATMEL_LCDC_FIFO_SIZE 512 ++#define ATMEL_LCDC_CRST_VAL_DEFAULT 0xc8 ++#define ATMEL_LCDC_DMA_BURST_LEN 16 ++ ++#define LCD_POWER_ON 0 ++#define LCD_POWER_OFF 1 ++ ++#if defined(CONFIG_ARCH_AT91) ++static inline void atmel_lcdfb_update_dma2d(struct fb_info *info, ++ struct fb_var_screeninfo *var) { } ++static inline void atmel_lcdfb_set_2dcfg(struct fb_info *info) { } ++#elif defined(CONFIG_AVR32) ++static void atmel_lcdfb_update_dma2d(struct fb_info *info, ++ struct fb_var_screeninfo *var) ++{ ++ dma2dcfg = lcdc_readl(sinfo, ATMEL_LCDC_DMA2DCFG); ++ dma2dcfg = LCDC_INSBF(DMA2DCFG_PIXELOFF, pixeloff, dma2dcfg); ++ lcdc_writel(sinfo, ATMEL_LCDC_DMA2DCFG, dma2dcfg); ++ ++ /* Update configuration */ ++ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, ++ lcdc_readl(sinfo, ATMEL_LCDC_DMACON) | LCDC_BIT(DMACON_DMAUPDT)); ++} ++ ++static void atmel_lcdfb_set_2dcfg(struct fb_info *info) ++{ ++ /* ...set 2D configuration (necessary for xres_virtual != xres) */ ++ value = LCDC_MKBF(DMA2DCFG_ADDRINC, ++ info->var.xres_virtual - info->var.xres); ++ lcdc_writel(sinfo, DMA2DCFG, value); ++ ++ /* ...wait for DMA engine to become idle... */ ++ while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & LCDC_BIT(DMACON_DMABUSY)) ++ msleep(10); ++} ++#endif ++ ++ ++static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = { ++ .type = FB_TYPE_PACKED_PIXELS, ++ .visual = FB_VISUAL_TRUECOLOR, ++ .xpanstep = 0, ++ .ypanstep = 0, ++ .ywrapstep = 0, ++ .accel = FB_ACCEL_NONE, ++}; ++ ++static u32 pseudo_palette[16] = { ++ 0x000000, ++ 0xaa0000, ++ 0x00aa00, ++ 0xaa5500, ++ 0x0000aa, ++ 0xaa00aa, ++ 0x00aaaa, ++ 0xaaaaaa, ++ 0x555555, ++ 0xff5555, ++ 0x55ff55, ++ 0xffff55, ++ 0x5555ff, ++ 0xff55ff, ++ 0x55ffff, ++ 0xffffff ++}; ++ ++static void atmel_lcdfb_update_dma(struct fb_info *info, ++ struct fb_var_screeninfo *var) ++{ ++ struct atmel_lcdfb_info *sinfo = info->par; ++ struct fb_fix_screeninfo *fix = &info->fix; ++ unsigned long dma_addr; ++ ++ dma_addr = (fix->smem_start + var->yoffset * fix->line_length ++ + var->xoffset * var->bits_per_pixel / 8); ++ ++ dma_addr &= ~3UL; ++ ++ /* Set framebuffer DMA base address and pixel offset */ ++ lcdc_writel(sinfo, ATMEL_LCDC_DMABADDR1, dma_addr); ++ ++ atmel_lcdfb_update_dma2d(info, var); ++} ++ ++static inline void atmel_lcdfb_unmap_video_memory(struct atmel_lcdfb_info *sinfo) ++{ ++ struct fb_info *info = sinfo->info; ++ ++ dma_free_writecombine(info->device, sinfo->map_size, ++ sinfo->map_cpu, sinfo->map_dma); ++} ++ ++/** ++ * atmel_lcdfb_alloc_framebuffer - Allocate framebuffer memory ++ * @sinfo: the frame buffer to allocate memory for ++ */ ++static int atmel_lcdfb_map_video_memory(struct atmel_lcdfb_info *sinfo) ++{ ++ struct fb_info *info = sinfo->info; ++ struct fb_var_screeninfo *var = &info->var; ++ ++ sinfo->map_size = (var->xres_virtual * var->yres_virtual ++ * ((var->bits_per_pixel + 7) / 8)); ++ ++ sinfo->map_cpu = dma_alloc_writecombine(info->device, sinfo->map_size, ++ &sinfo->map_dma, GFP_KERNEL); ++ ++ if (!sinfo->map_cpu) { ++ return -ENOMEM; ++ } ++ ++ return 0; ++} ++ ++/** ++ * atmel_lcdfb_check_var - Validates a var passed in. ++ * @var: frame buffer variable screen structure ++ * @info: frame buffer structure that represents a single frame buffer ++ * ++ * Checks to see if the hardware supports the state requested by ++ * var passed in. This function does not alter the hardware ++ * state!!! This means the data stored in struct fb_info and ++ * struct atmel_lcdfb_info do not change. This includes the var ++ * inside of struct fb_info. Do NOT change these. This function ++ * can be called on its own if we intent to only test a mode and ++ * not actually set it. The stuff in modedb.c is a example of ++ * this. If the var passed in is slightly off by what the ++ * hardware can support then we alter the var PASSED in to what ++ * we can do. If the hardware doesn't support mode change a ++ * -EINVAL will be returned by the upper layers. You don't need ++ * to implement this function then. If you hardware doesn't ++ * support changing the resolution then this function is not ++ * needed. In this case the driver would just provide a var that ++ * represents the static state the screen is in. ++ * ++ * Returns negative errno on error, or zero on success. ++ */ ++static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, ++ struct fb_info *info) ++{ ++ struct device *dev = info->device; ++ struct atmel_lcdfb_info *sinfo = info->par; ++ unsigned long clk_value_khz = 0; ++ ++ clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; ++ ++ dev_dbg(dev, "%s:\n", __func__); ++ dev_dbg(dev, " resolution: %ux%u\n", var->xres, var->yres); ++ dev_dbg(dev, " pixclk: %lu KHz\n", PICOS2KHZ(var->pixclock)); ++ dev_dbg(dev, " bpp: %u\n", var->bits_per_pixel); ++ dev_dbg(dev, " clk: %lu KHz\n", clk_value_khz); ++ ++ if ((PICOS2KHZ(var->pixclock) * var->bits_per_pixel / 8) > clk_value_khz) { ++ dev_err(dev, "%lu KHz pixel clock is too fast\n", PICOS2KHZ(var->pixclock)); ++ return -EINVAL; ++ } ++ ++ /* Force same alignment for each line */ ++ var->xres = (var->xres + 3) & ~3UL; ++ var->xres_virtual = (var->xres_virtual + 3) & ~3UL; ++ ++ var->red.msb_right = var->green.msb_right = var->blue.msb_right = 0; ++ var->transp.offset = var->transp.length = 0; ++ ++ switch (var->bits_per_pixel) { ++ case 2: ++ case 4: ++ case 8: ++ var->red.offset = var->green.offset = var->blue.offset = 0; ++ var->red.length = var->green.length = var->blue.length ++ = var->bits_per_pixel; ++ break; ++ case 15: ++ case 16: ++ var->red.offset = 0; ++ var->green.offset = 5; ++ var->blue.offset = 10; ++ var->red.length = var->green.length = var->blue.length = 5; ++ break; ++ case 24: ++ case 32: ++ var->red.offset = 16; ++ var->green.offset = 8; ++ var->blue.offset = 0; ++ var->red.length = var->green.length = var->blue.length = 8; ++ break; ++ default: ++ dev_err(dev, "color depth %d not supported\n", ++ var->bits_per_pixel); ++ return -EINVAL; ++ } ++ ++ var->xoffset = var->yoffset = 0; ++ var->red.msb_right = var->green.msb_right = var->blue.msb_right = ++ var->transp.msb_right = 0; ++ ++ return 0; ++} ++ ++/** ++ * atmel_lcdfb_set_par - Alters the hardware state. ++ * @info: frame buffer structure that represents a single frame buffer ++ * ++ * Using the fb_var_screeninfo in fb_info we set the resolution ++ * of the this particular framebuffer. This function alters the ++ * par AND the fb_fix_screeninfo stored in fb_info. It doesn't ++ * not alter var in fb_info since we are using that data. This ++ * means we depend on the data in var inside fb_info to be ++ * supported by the hardware. atmel_lcdfb_check_var is always called ++ * before atmel_lcdfb_set_par to ensure this. Again if you can't ++ * change the resolution you don't need this function. ++ * ++ */ ++static int atmel_lcdfb_set_par(struct fb_info *info) ++{ ++ struct atmel_lcdfb_info *sinfo = info->par; ++ unsigned long value; ++ unsigned long clk_value_khz = 0; ++ ++ dev_dbg(info->device, "%s:\n", __func__); ++ dev_dbg(info->device, " * resolution: %ux%u (%ux%u virtual)\n", ++ info->var.xres, info->var.yres, ++ info->var.xres_virtual, info->var.yres_virtual); ++ ++ /* Turn off the LCD controller and the DMA controller */ ++ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET); ++ ++ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0); ++ ++ /* Reset LCDC DMA*/ ++ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMARST); ++ ++ if (info->var.bits_per_pixel <= 8) ++ info->fix.visual = FB_VISUAL_PSEUDOCOLOR; ++ else ++ info->fix.visual = FB_VISUAL_TRUECOLOR; ++ ++ info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8); ++ ++ /* Re-initialize the DMA engine... */ ++ dev_dbg(info->device, " * update DMA engine\n"); ++ atmel_lcdfb_update_dma(info, &info->var); ++ ++ /* ...set frame size and burst length = 8 words (?) */ ++ value = (info->var.yres * info->var.xres * info->var.bits_per_pixel) / 32; ++ value |= ((ATMEL_LCDC_DMA_BURST_LEN - 1) << ATMEL_LCDC_BLENGTH_OFFSET); ++ lcdc_writel(sinfo, ATMEL_LCDC_DMAFRMCFG, value); ++ ++ atmel_lcdfb_set_2dcfg(info); ++ ++ /* Now, the LCDC core... */ ++ ++ /* Set pixel clock */ ++ clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; ++ ++ value = clk_value_khz / PICOS2KHZ(info->var.pixclock); ++ ++ if (clk_value_khz % PICOS2KHZ(info->var.pixclock)) ++ value++; ++ ++ value = (value / 2) - 1; ++ ++ if (value == 0) { ++ dev_notice(info->device, "Bypassing pixel clock divider\n"); ++ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); ++ } else ++ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET); ++ ++ /* Initialize control register 2 */ ++ value = sinfo->default_lcdcon2; ++ ++ if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) ++ value |= ATMEL_LCDC_INVLINE_INVERTED; ++ if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT)) ++ value |= ATMEL_LCDC_INVFRAME_INVERTED; ++ ++ switch (info->var.bits_per_pixel) { ++ case 1: value |= ATMEL_LCDC_PIXELSIZE_1; break; ++ case 2: value |= ATMEL_LCDC_PIXELSIZE_2; break; ++ case 4: value |= ATMEL_LCDC_PIXELSIZE_4; break; ++ case 8: value |= ATMEL_LCDC_PIXELSIZE_8; break; ++ case 15: /* fall through */ ++ case 16: value |= ATMEL_LCDC_PIXELSIZE_16; break; ++ case 24: value |= ATMEL_LCDC_PIXELSIZE_24; break; ++ case 32: value |= ATMEL_LCDC_PIXELSIZE_32; break; ++ default: BUG(); break; ++ } ++ dev_dbg(info->device, " * LCDCON2 = %08lx\n", value); ++ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON2, value); ++ ++ /* Vertical timing */ ++ value = (info->var.vsync_len - 1) << ATMEL_LCDC_VPW_OFFSET; ++ value |= info->var.upper_margin << ATMEL_LCDC_VBP_OFFSET; ++ value |= info->var.lower_margin; ++ dev_dbg(info->device, " * LCDTIM1 = %08lx\n", value); ++ lcdc_writel(sinfo, ATMEL_LCDC_TIM1, value); ++ ++ /* Horizontal timing */ ++ value = (info->var.right_margin - 1) << ATMEL_LCDC_HFP_OFFSET; ++ value |= (info->var.hsync_len - 1) << ATMEL_LCDC_HPW_OFFSET; ++ value |= (info->var.left_margin - 1); ++ dev_dbg(info->device, " * LCDTIM2 = %08lx\n", value); ++ lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value); ++ ++ /* Display size */ ++ value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET; ++ value |= info->var.yres - 1; ++ lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value); ++ ++ /* FIFO Threshold: Use formula from data sheet */ ++ value = ATMEL_LCDC_FIFO_SIZE - (2 * ATMEL_LCDC_DMA_BURST_LEN + 3); ++ lcdc_writel(sinfo, ATMEL_LCDC_FIFO, value); ++ ++ /* Toggle LCD_MODE every frame */ ++ lcdc_writel(sinfo, ATMEL_LCDC_MVAL, 0); ++ ++ /* Disable all interrupts */ ++ lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); ++ ++ // Set contrast ++ value = ATMEL_LCDC_PS_DIV8 | ATMEL_LCDC_POL_POSITIVE | ATMEL_LCDC_ENA_PWMENABLE; ++ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, value); ++ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CRST_VAL_DEFAULT); ++ /* ...wait for DMA engine to become idle... */ ++ while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY) ++ msleep(10); ++ ++ dev_dbg(info->device, " * re-enable DMA engine\n"); ++ /* ...and enable it with updated configuration */ ++ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon); ++ ++ dev_dbg(info->device, " * re-enable LCDC core\n"); ++ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, ++ (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR); ++ ++ dev_dbg(info->device, " * DONE\n"); ++ ++ return 0; ++} ++ ++static inline u_int chan_to_field(u_int chan, const struct fb_bitfield *bf) ++{ ++ chan &= 0xffff; ++ chan >>= 16 - bf->length; ++ return chan << bf->offset; ++} ++ ++/** ++ * atmel_lcdfb_setcolreg - Optional function. Sets a color register. ++ * @regno: Which register in the CLUT we are programming ++ * @red: The red value which can be up to 16 bits wide ++ * @green: The green value which can be up to 16 bits wide ++ * @blue: The blue value which can be up to 16 bits wide. ++ * @transp: If supported the alpha value which can be up to 16 bits wide. ++ * @info: frame buffer info structure ++ * ++ * Set a single color register. The values supplied have a 16 bit ++ * magnitude which needs to be scaled in this function for the hardware. ++ * Things to take into consideration are how many color registers, if ++ * any, are supported with the current color visual. With truecolor mode ++ * no color palettes are supported. Here a psuedo palette is created ++ * which we store the value in pseudo_palette in struct fb_info. For ++ * pseudocolor mode we have a limited color palette. To deal with this ++ * we can program what color is displayed for a particular pixel value. ++ * DirectColor is similar in that we can program each color field. If ++ * we have a static colormap we don't need to implement this function. ++ * ++ * Returns negative errno on error, or zero on success. In an ++ * ideal world, this would have been the case, but as it turns ++ * out, the other drivers return 1 on failure, so that's what ++ * we're going to do. ++ */ ++static int atmel_lcdfb_setcolreg(unsigned int regno, unsigned int red, ++ unsigned int green, unsigned int blue, ++ unsigned int transp, struct fb_info *info) ++{ ++ struct atmel_lcdfb_info *sinfo = info->par; ++ unsigned int val; ++ u32 *pal; ++ int ret = 1; ++ ++ if (info->var.grayscale) ++ red = green = blue = (19595 * red + 38470 * green ++ + 7471 * blue) >> 16; ++ ++ switch (info->fix.visual) { ++ case FB_VISUAL_TRUECOLOR: ++ if (regno < 16) { ++ pal = info->pseudo_palette; ++ ++ val = chan_to_field(red, &info->var.red); ++ val |= chan_to_field(green, &info->var.green); ++ val |= chan_to_field(blue, &info->var.blue); ++ ++ pal[regno] = val; ++ ret = 0; ++ } ++ break; ++ ++ case FB_VISUAL_PSEUDOCOLOR: ++ if (regno < 256) { ++ val = ((red >> 11) & 0x001f); ++ val |= ((green >> 6) & 0x03e0); ++ val |= ((blue >> 1) & 0x7c00); ++ ++ /* ++ * TODO: intensity bit. Maybe something like ++ * ~(red[10] ^ green[10] ^ blue[10]) & 1 ++ */ ++ ++ lcdc_writel(sinfo, ATMEL_LCDC_LUT_(regno), val); ++ ret = 0; ++ } ++ break; ++ } ++ ++ return ret; ++} ++ ++static int atmel_lcdfb_pan_display(struct fb_var_screeninfo *var, ++ struct fb_info *info) ++{ ++ dev_dbg(info->device, "%s\n", __func__); ++ ++ atmel_lcdfb_update_dma(info, var); ++ ++ return 0; ++} ++ ++static struct fb_ops atmel_lcdfb_ops = { ++ .owner = THIS_MODULE, ++ .fb_check_var = atmel_lcdfb_check_var, ++ .fb_set_par = atmel_lcdfb_set_par, ++ .fb_setcolreg = atmel_lcdfb_setcolreg, ++ .fb_pan_display = atmel_lcdfb_pan_display, ++ .fb_fillrect = cfb_fillrect, ++ .fb_copyarea = cfb_copyarea, ++ .fb_imageblit = cfb_imageblit, ++}; ++ ++static irqreturn_t atmel_lcdfb_interrupt(int irq, void *dev_id) ++{ ++ struct fb_info *info = dev_id; ++ struct atmel_lcdfb_info *sinfo = info->par; ++ u32 status; ++ ++ status = lcdc_readl(sinfo, ATMEL_LCDC_ISR); ++ lcdc_writel(sinfo, ATMEL_LCDC_IDR, status); ++ return IRQ_HANDLED; ++} ++ ++static int atmel_lcdfb_init_fbinfo(struct atmel_lcdfb_info *sinfo) ++{ ++ struct fb_info *info = sinfo->info; ++ int ret = 0; ++ ++ info->screen_base = sinfo->map_cpu; ++ info->fix.smem_start = sinfo->map_dma; ++ info->fix.smem_len = sinfo->map_size; ++ ++ memset(info->screen_base, 0, info->fix.smem_len); ++ info->var.activate |= FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW; ++ ++ dev_info(info->device, ++ "%luKiB frame buffer at %08lx (mapped at %p)\n", ++ (unsigned long)info->fix.smem_len / 1024, ++ (unsigned long)info->fix.smem_start, ++ info->screen_base); ++ ++ /* Allocate colormap */ ++ ret = fb_alloc_cmap(&info->cmap, 256, 0); ++ if (ret < 0) ++ dev_err(info->device, "Alloc color map failed\n"); ++ ++ return ret; ++} ++ ++static int atmel_lcdfb_start_clock(struct atmel_lcdfb_info *sinfo) ++{ ++ int ret = 0; ++ ++ if (sinfo->bus_clk && !IS_ERR(sinfo->bus_clk)) ++ clk_enable(sinfo->bus_clk); ++ else { ++ if (cpu_is_at91sam9261()) { ++ /* not an error for other cpus */ ++ ret = -ENXIO; ++ } ++ } ++ ++ if (sinfo->lcdc_clk && !IS_ERR(sinfo->lcdc_clk)) ++ clk_enable(sinfo->lcdc_clk); ++ else ++ ret = -ENXIO; ++ ++ return ret; ++} ++ ++static void atmel_lcdfb_stop_clock(struct atmel_lcdfb_info *sinfo) ++{ ++ if (sinfo->bus_clk && !IS_ERR(sinfo->bus_clk)) ++ clk_disable(sinfo->bus_clk); ++ if (sinfo->lcdc_clk && !IS_ERR(sinfo->lcdc_clk)) ++ clk_disable(sinfo->lcdc_clk); ++} ++ ++ ++static int atmel_lcdfb_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct fb_info *info; ++ struct atmel_lcdfb_info *sinfo; ++ struct resource *regs = NULL; ++ struct resource *map = NULL; ++ int ret; ++ ++ dev_dbg(dev, "%s BEGIN\n", __func__); ++ ++ ret = -ENOMEM; ++ info = framebuffer_alloc(sizeof(struct atmel_lcdfb_info), dev); ++ if (!info) { ++ dev_err(dev, "cannot allocate memory\n"); ++ goto out; ++ } ++ ++ sinfo = info->par; ++ memcpy(sinfo, dev->platform_data, sizeof(struct atmel_lcdfb_info)); ++ sinfo->info = info; ++ sinfo->pdev = pdev; ++ ++ strcpy(info->fix.id, sinfo->pdev->name); ++ info->flags = sinfo->default_flags; ++ info->pseudo_palette = pseudo_palette; ++ info->fbops = &atmel_lcdfb_ops; ++ ++ memcpy(&info->monspecs, sinfo->default_monspecs, sizeof(info->monspecs)); ++ info->fix = atmel_lcdfb_fix; ++ ++ /* Enable LCDC Clocks */ ++ if (cpu_is_at91sam9261()) ++ sinfo->bus_clk = clk_get(dev, "hck1"); ++ sinfo->lcdc_clk = clk_get(dev, "lcdc_clk"); ++ if (atmel_lcdfb_start_clock(sinfo)) { ++ dev_err(dev, "unable to clock LCDC\n"); ++ goto free_info; ++ } ++ ++ ret = fb_find_mode(&info->var, info, NULL, info->monspecs.modedb, ++ info->monspecs.modedb_len, info->monspecs.modedb, ++ sinfo->default_bpp); ++ if (!ret) { ++ dev_err(dev, "no suitable video mode found\n"); ++ goto stop_clk; ++ } ++ ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) { ++ dev_err(dev, "resources unusable\n"); ++ ret = -ENXIO; ++ goto stop_clk; ++ } ++ ++ sinfo->irq_base = platform_get_irq(pdev, 0); ++ if (sinfo->irq_base < 0) { ++ dev_err(dev, "unable to get irq\n"); ++ ret = sinfo->irq_base; ++ goto stop_clk; ++ } ++ ++ /* Initialize video memory */ ++ map = platform_get_resource(pdev, IORESOURCE_MEM, 1); ++ if (map) { ++ /* use a pre-allocated memory buffer */ ++ sinfo->map_dma = map->start; ++ sinfo->map_size = map->end - map->start + 1; ++ if (!request_mem_region(sinfo->map_dma, ++ sinfo->map_size, pdev->name)) { ++ ret = -EBUSY; ++ goto stop_clk; ++ } ++ ++ sinfo->map_cpu = ioremap(sinfo->map_dma, sinfo->map_size); ++ if (!sinfo->map_cpu) ++ goto release_intmem; ++ } else { ++ /* alocate memory buffer */ ++ ret = atmel_lcdfb_map_video_memory(sinfo); ++ if (ret < 0) { ++ dev_err(dev, "cannot allocate framebuffer: %d\n", ret); ++ goto stop_clk; ++ } ++ } ++ ++ /* LCDC registers */ ++ info->fix.mmio_start = regs->start; ++ info->fix.mmio_len = regs->end - regs->start + 1; ++ ++ if (!request_mem_region(info->fix.mmio_start, ++ info->fix.mmio_len, pdev->name)) { ++ ret = -EBUSY; ++ goto free_fb; ++ } ++ ++ sinfo->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len); ++ if (!sinfo->mmio) { ++ dev_err(dev, "cannot map LCDC registers\n"); ++ goto release_mem; ++ } ++ ++ /* interrupt */ ++ ret = request_irq(sinfo->irq_base, atmel_lcdfb_interrupt, 0, pdev->name, info); ++ if (ret) { ++ dev_err(dev, "request_irq failed: %d\n", ret); ++ goto unmap_mmio; ++ } ++ ++ ret = atmel_lcdfb_init_fbinfo(sinfo); ++ if (ret < 0) { ++ dev_err(dev, "init fbinfo failed: %d\n", ret); ++ goto unregister_irqs; ++ } ++ ++ /* ++ * This makes sure that our colour bitfield ++ * descriptors are correctly initialised. ++ */ ++ atmel_lcdfb_check_var(&info->var, info); ++ atmel_lcdfb_set_par(info); ++ ++ ret = fb_set_var(info, &info->var); ++ if (ret) { ++ dev_warn(dev, "unable to set display parameters\n"); ++ goto free_cmap; ++ } ++ ++ dev_set_drvdata(dev, info); ++ ++ /* ++ * Tell the world that we're ready to go ++ */ ++ ret = register_framebuffer(info); ++ if (ret < 0) { ++ dev_err(dev, "failed to register framebuffer device: %d\n", ret); ++ goto free_cmap; ++ } ++ ++ /* Power up the LCDC screen */ ++ if (sinfo->power_control_pin) ++ at91_set_gpio_value(sinfo->power_control_pin, LCD_POWER_ON); ++ ++ dev_info(dev, "fb%d: Atmel LCDC at 0x%08lx (mapped at %p), irq %lu\n", ++ info->node, info->fix.mmio_start, sinfo->mmio, sinfo->irq_base); ++ ++ return 0; ++ ++ ++free_cmap: ++ fb_dealloc_cmap(&info->cmap); ++unregister_irqs: ++ free_irq(sinfo->irq_base, info); ++unmap_mmio: ++ iounmap(sinfo->mmio); ++release_mem: ++ release_mem_region(info->fix.mmio_start, info->fix.mmio_len); ++free_fb: ++ if (map) { ++ iounmap(sinfo->map_cpu); ++ } else { ++ atmel_lcdfb_unmap_video_memory(sinfo); ++ } ++ ++release_intmem: ++ if (map) { ++ release_mem_region(sinfo->map_dma, sinfo->map_size); ++ } ++stop_clk: ++ atmel_lcdfb_stop_clock(sinfo); ++free_info: ++ framebuffer_release(info); ++out: ++ dev_dbg(dev, "%s FAILED\n", __func__); ++ return ret; ++} ++ ++static int atmel_lcdfb_remove(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct fb_info *info = dev_get_drvdata(dev); ++ struct atmel_lcdfb_info *sinfo = info->par; ++ ++ if (!sinfo) ++ return 0; ++ ++ if (sinfo->power_control_pin) ++ at91_set_gpio_value(sinfo->power_control_pin, LCD_POWER_OFF); ++ unregister_framebuffer(info); ++ atmel_lcdfb_stop_clock(sinfo); ++ fb_dealloc_cmap(&info->cmap); ++ free_irq(sinfo->irq_base, info); ++ iounmap(sinfo->mmio); ++ release_mem_region(info->fix.mmio_start, info->fix.mmio_len); ++ if (platform_get_resource(pdev, IORESOURCE_MEM, 1)) { ++ iounmap(sinfo->map_cpu); ++ release_mem_region(sinfo->map_dma, sinfo->map_size); ++ } else { ++ atmel_lcdfb_unmap_video_memory(sinfo); ++ } ++ ++ dev_set_drvdata(dev, NULL); ++ framebuffer_release(info); ++ ++ return 0; ++} ++ ++static struct platform_driver atmel_lcdfb_driver = { ++ .probe = atmel_lcdfb_probe, ++ .remove = atmel_lcdfb_remove, ++ .driver = { ++ .name = "atmel_lcdfb", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init atmel_lcdfb_init(void) ++{ ++ return platform_driver_register(&atmel_lcdfb_driver); ++} ++ ++static void __exit atmel_lcdfb_exit(void) ++{ ++ platform_driver_unregister(&atmel_lcdfb_driver); ++} ++ ++module_init(atmel_lcdfb_init); ++module_exit(atmel_lcdfb_exit); ++ ++MODULE_AUTHOR("Atmel Corporation"); ++MODULE_DESCRIPTION("AT91/AT32 LCD Controller framebuffer driver"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/video/backlight/Kconfig linux-2.6.20.4-atmel/drivers/video/backlight/Kconfig +--- linux-2.6.20.4-0rig/drivers/video/backlight/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/backlight/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -42,6 +42,18 @@ + depends on LCD_CLASS_DEVICE + default y + ++config LCD_LTV350QV ++ tristate "Samsung LTV350QV LCD Panel" ++ depends on LCD_DEVICE && SPI ++ default n ++ help ++ If you have a Samsung LTV350QV LCD panel, say y to include a ++ power control driver for it. The panel starts up in power ++ off state, so you need this driver in order to see any ++ output. ++ ++ The LTV350QV panel is present on most ATSTK1000 boards. ++ + config BACKLIGHT_CORGI + tristate "Sharp Corgi Backlight Driver (SL Series)" + depends on BACKLIGHT_DEVICE && PXA_SHARPSL +diff -urN linux-2.6.20.4-0rig/drivers/video/backlight/ltv350qv.c linux-2.6.20.4-atmel/drivers/video/backlight/ltv350qv.c +--- linux-2.6.20.4-0rig/drivers/video/backlight/ltv350qv.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/backlight/ltv350qv.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,300 @@ ++/* ++ * Power control for Samsung LTV350QV Quarter VGA LCD Panel ++ * ++ * Copyright (C) 2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include <linux/delay.h> ++#include <linux/err.h> ++#include <linux/fb.h> ++#include <linux/init.h> ++#include <linux/lcd.h> ++#include <linux/module.h> ++#include <linux/reboot.h> ++#include <linux/spi/spi.h> ++ ++#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL) ++ ++struct ltv350qv { ++ struct spi_device *spi; ++ u8 *buffer; ++ int power; ++ struct semaphore lock; ++ struct lcd_device *ld; ++ struct list_head list; ++ int halt_done; ++}; ++ ++static LIST_HEAD(lcd_list); ++ ++static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val) ++{ ++ struct spi_message msg; ++ struct spi_transfer index_xfer = { ++ .len = 3, ++ .cs_change = 1, ++ }; ++ struct spi_transfer value_xfer = { ++ .len = 3, ++ .cs_change = 1, ++ }; ++ ++ spi_message_init(&msg); ++ ++ /* register index */ ++ lcd->buffer[0] = 0x74; ++ lcd->buffer[1] = 0x00; ++ lcd->buffer[2] = reg & 0x7f; ++ index_xfer.tx_buf = lcd->buffer; ++ spi_message_add_tail(&index_xfer, &msg); ++ ++ /* register value */ ++ lcd->buffer[4] = 0x76; ++ lcd->buffer[5] = val >> 8; ++ lcd->buffer[6] = val; ++ value_xfer.tx_buf = lcd->buffer + 4; ++ spi_message_add_tail(&value_xfer, &msg); ++ ++ return spi_sync(lcd->spi, &msg); ++} ++ ++#define write_reg(_spi, reg, val) \ ++ do { \ ++ ret = ltv350qv_write_reg(_spi, reg, val); \ ++ if (ret) \ ++ goto out; \ ++ } while (0) ++ ++static int ltv350qv_power_on(struct ltv350qv *lcd) ++{ ++ int ret; ++ ++ write_reg(lcd, 9, 0x0000); ++ msleep(15); ++ write_reg(lcd, 9, 0x4000); ++ write_reg(lcd, 10, 0x2000); ++ write_reg(lcd, 9, 0x4055); ++ msleep(55); ++ write_reg(lcd, 1, 0x409d); ++ write_reg(lcd, 2, 0x0204); ++ write_reg(lcd, 3, 0x0100); ++ write_reg(lcd, 4, 0x3000); ++ write_reg(lcd, 5, 0x4003); ++ write_reg(lcd, 6, 0x000a); ++ write_reg(lcd, 7, 0x0021); ++ write_reg(lcd, 8, 0x0c00); ++ write_reg(lcd, 10, 0x0103); ++ write_reg(lcd, 11, 0x0301); ++ write_reg(lcd, 12, 0x1f0f); ++ write_reg(lcd, 13, 0x1f0f); ++ write_reg(lcd, 14, 0x0707); ++ write_reg(lcd, 15, 0x0307); ++ write_reg(lcd, 16, 0x0707); ++ write_reg(lcd, 17, 0x0000); ++ write_reg(lcd, 18, 0x0004); ++ write_reg(lcd, 19, 0x0000); ++ ++ msleep(20); ++ write_reg(lcd, 9, 0x4a55); ++ write_reg(lcd, 5, 0x5003); ++ ++out: ++ return ret; ++} ++ ++static int ltv350qv_power_off(struct ltv350qv *lcd) ++{ ++ int ret; ++ ++ /* GON -> 0, POC -> 0 */ ++ write_reg(lcd, 9, 0x4055); ++ /* DSC -> 0 */ ++ write_reg(lcd, 5, 0x4003); ++ /* VCOMG -> 0 */ ++ write_reg(lcd, 10, 0x2103); ++ ++ msleep(1); ++ ++ /* AP[2:0] -> 000 */ ++ write_reg(lcd, 9, 0x4050); ++ ++out: ++ return ret; ++} ++ ++static int ltv350qv_power(struct ltv350qv *lcd, int power) ++{ ++ int ret = 0; ++ ++ down(&lcd->lock); ++ ++ if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power)) ++ ret = ltv350qv_power_on(lcd); ++ else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power)) ++ ret = ltv350qv_power_off(lcd); ++ ++ if (!ret) ++ lcd->power = power; ++ ++ up(&lcd->lock); ++ ++ return ret; ++} ++ ++static int ltv350qv_set_power(struct lcd_device *ld, int power) ++{ ++ struct ltv350qv *lcd; ++ ++ lcd = class_get_devdata(&ld->class_dev); ++ return ltv350qv_power(lcd, power); ++} ++ ++static int ltv350qv_get_power(struct lcd_device *ld) ++{ ++ struct ltv350qv *lcd; ++ ++ lcd = class_get_devdata(&ld->class_dev); ++ return lcd->power; ++} ++ ++static struct lcd_properties lcd_properties = { ++ .owner = THIS_MODULE, ++ .get_power = ltv350qv_get_power, ++ .set_power = ltv350qv_set_power, ++}; ++ ++static int __devinit ltv350qv_probe(struct spi_device *spi) ++{ ++ struct ltv350qv *lcd; ++ struct lcd_device *ld; ++ int ret; ++ ++ lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL); ++ if (!lcd) ++ return -ENOMEM; ++ ++ lcd->spi = spi; ++ lcd->power = FB_BLANK_POWERDOWN; ++ init_MUTEX(&lcd->lock); ++ lcd->buffer = kzalloc(8, GFP_KERNEL); ++ ++ spi->mode = SPI_MODE_3; ++ spi->bits_per_word = 8; ++ ret = spi_setup(spi); ++ if (ret) ++ goto out_free_lcd; ++ ++ ld = lcd_device_register("ltv350qv", lcd, &lcd_properties); ++ if (IS_ERR(ld)) { ++ ret = PTR_ERR(ld); ++ goto out_free_lcd; ++ } ++ lcd->ld = ld; ++ ++ list_add(&lcd->list, &lcd_list); ++ ++ ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK); ++ if (ret) ++ goto out_unregister; ++ ++ dev_set_drvdata(&spi->dev, lcd); ++ ++ return 0; ++ ++out_unregister: ++ lcd_device_unregister(ld); ++out_free_lcd: ++ kfree(lcd); ++ return ret; ++} ++ ++static int __devexit ltv350qv_remove(struct spi_device *spi) ++{ ++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); ++ ++ ltv350qv_power(lcd, FB_BLANK_POWERDOWN); ++ list_del(&lcd->list); ++ lcd_device_unregister(lcd->ld); ++ kfree(lcd); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++static int ltv350qv_suspend(struct spi_device *spi, ++ pm_message_t state, u32 level) ++{ ++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); ++ ++ if (level == SUSPEND_POWER_DOWN) ++ return ltv350qv_power(lcd, FB_BLANK_POWERDOWN); ++ ++ return 0; ++} ++ ++static int ltv350qv_resume(struct spi_device *spi, u32 level) ++{ ++ struct ltv350qv *lcd = dev_get_drvdata(&spi->dev); ++ ++ if (level == RESUME_POWER_ON) ++ return ltv350qv_power(lcd, FB_BLANK_UNBLANK); ++ ++ return 0; ++} ++#else ++#define ltv350qv_suspend NULL ++#define ltv350qv_resume NULL ++#endif ++ ++/* Power down all displays on reboot, poweroff or halt */ ++static int ltv350qv_halt(struct notifier_block *nb, unsigned long event, ++ void *p) ++{ ++ struct ltv350qv *lcd; ++ ++ list_for_each_entry(lcd, &lcd_list, list) { ++ if (!lcd->halt_done) ++ ltv350qv_power(lcd, FB_BLANK_POWERDOWN); ++ lcd->halt_done = 1; ++ } ++ ++ return NOTIFY_OK; ++} ++ ++static struct spi_driver ltv350qv_driver = { ++ .driver = { ++ .name = "ltv350qv", ++ .bus = &spi_bus_type, ++ .owner = THIS_MODULE, ++ }, ++ ++ .probe = ltv350qv_probe, ++ .remove = __devexit_p(ltv350qv_remove), ++ .suspend = ltv350qv_suspend, ++ .resume = ltv350qv_resume, ++}; ++ ++static struct notifier_block ltv350qv_notifier = { ++ .notifier_call = ltv350qv_halt, ++}; ++ ++static int __init ltv350qv_init(void) ++{ ++ register_reboot_notifier(<v350qv_notifier); ++ return spi_register_driver(<v350qv_driver); ++} ++ ++static void __exit ltv350qv_exit(void) ++{ ++ unregister_reboot_notifier(<v350qv_notifier); ++ spi_unregister_driver(<v350qv_driver); ++} ++module_init(ltv350qv_init); ++module_exit(ltv350qv_exit); ++ ++MODULE_AUTHOR("Atmel Norway"); ++MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/drivers/video/backlight/Makefile linux-2.6.20.4-atmel/drivers/video/backlight/Makefile +--- linux-2.6.20.4-0rig/drivers/video/backlight/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/backlight/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -5,3 +5,4 @@ + obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o + obj-$(CONFIG_BACKLIGHT_HP680) += hp680_bl.o + obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomolcd.o ++obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o +diff -urN linux-2.6.20.4-0rig/drivers/video/fbmem.c linux-2.6.20.4-atmel/drivers/video/fbmem.c +--- linux-2.6.20.4-0rig/drivers/video/fbmem.c 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/fbmem.c 2007-03-24 16:42:29.000000000 +0100 +@@ -1199,6 +1199,10 @@ + pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; + #elif defined(__arm__) || defined(__sh__) || defined(__m32r__) + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); ++#elif defined(__avr32__) ++ vma->vm_page_prot = __pgprot((pgprot_val(vma->vm_page_prot) ++ & ~_PAGE_CACHABLE) ++ | (_PAGE_BUFFER | _PAGE_DIRTY)); + #elif defined(__ia64__) + if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); +diff -urN linux-2.6.20.4-0rig/drivers/video/Kconfig linux-2.6.20.4-atmel/drivers/video/Kconfig +--- linux-2.6.20.4-0rig/drivers/video/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -276,6 +276,28 @@ + If you plan to use the LCD display with your SA-1100 system, say + Y here. + ++config FB_SIDSA ++ tristate "SIDSA LCDC support" ++ select FB_CFB_FILLRECT ++ select FB_CFB_COPYAREA ++ select FB_CFB_IMAGEBLIT ++ depends on FB && AVR32 ++ help ++ This enables support for the SIDSA LCD Controller. ++ ++config FB_SIDSA_DEFAULT_BPP ++ int "SIDSA LCDC default color depth" ++ default 24 ++ depends on FB_SIDSA ++ help ++ Specify the maximum color depth you want to be able to ++ support. This, together with the resolution of the LCD ++ panel, determines the amount of framebuffer memory allocated ++ when the driver is initialized. ++ ++ Allowable values are 1, 2, 4, 8, 16, 24 and 32. If unsure, ++ say 24. ++ + config FB_IMX + tristate "Motorola i.MX LCD support" + depends on FB && ARM && ARCH_IMX +@@ -698,6 +720,22 @@ + working with S1D13806). Product specs at + <http://www.erd.epson.com/vdc/html/legacy_13xxx.htm> + ++config FB_ATMEL ++ tristate "AT91/AT32 LCD Controller support" ++ depends on FB && (ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || AVR32) ++ select FB_CFB_FILLRECT ++ select FB_CFB_COPYAREA ++ select FB_CFB_IMAGEBLIT ++ help ++ This enables support for the AT91/AT32 LCD Controller. ++ ++config FB_INTSRAM ++ bool "Frame Buffer in internal SRAM" ++ depends on FB_ATMEL && ARCH_AT91SAM9261 ++ help ++ Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want ++ to let frame buffer in external SDRAM. ++ + config FB_NVIDIA + tristate "nVidia Framebuffer Support" + depends on FB && PCI +diff -urN linux-2.6.20.4-0rig/drivers/video/Makefile linux-2.6.20.4-atmel/drivers/video/Makefile +--- linux-2.6.20.4-0rig/drivers/video/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -78,6 +78,7 @@ + obj-$(CONFIG_FB_SUN3) += sun3fb.o + obj-$(CONFIG_FB_HIT) += hitfb.o + obj-$(CONFIG_FB_EPSON1355) += epson1355fb.o ++obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb.o + obj-$(CONFIG_FB_PVR2) += pvr2fb.o + obj-$(CONFIG_FB_VOODOO1) += sstfb.o + obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o +@@ -100,6 +101,7 @@ + obj-$(CONFIG_FB_PNX4008_DUM) += pnx4008/ + obj-$(CONFIG_FB_PNX4008_DUM_RGB) += pnx4008/ + obj-$(CONFIG_FB_IBM_GXT4500) += gxt4500.o ++obj-$(CONFIG_FB_SIDSA) += sidsafb.o + + # Platform or fallback drivers go here + obj-$(CONFIG_FB_VESA) += vesafb.o +diff -urN linux-2.6.20.4-0rig/drivers/video/sidsafb.c linux-2.6.20.4-atmel/drivers/video/sidsafb.c +--- linux-2.6.20.4-0rig/drivers/video/sidsafb.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/drivers/video/sidsafb.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,860 @@ ++/* ++ * Framebuffer Driver for Atmel/SIDSA LCD Controller ++ * ++ * Copyright (C) 2004-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#undef DEBUG ++ ++#include <linux/clk.h> ++#include <linux/completion.h> ++#include <linux/kernel.h> ++#include <linux/dma-mapping.h> ++#include <linux/interrupt.h> ++#include <linux/fb.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++#include <linux/platform_device.h> ++ ++#include <asm/arch/board.h> ++ ++#include <asm/periph/lcdc.h> ++ ++/* More or less configurable parameters */ ++#define SIDSAFB_FIFO_SIZE 512 ++#define SIDSAFB_DMA_BURST_LEN 8 ++ ++/* TODO: These should be autogenerated from part description file */ ++#define LCDC_DISTYPE_STN_MONO 0 ++#define LCDC_DISTYPE_STN_COLOR 1 ++#define LCDC_DISTYPE_TFT 2 ++#define LCDC_LUT 0xc00 ++ ++struct sidsafb_info { ++ spinlock_t lock; ++ struct fb_info * info; ++ void __iomem * regs; ++ unsigned long irq_base; ++ int wait_for_vsync; ++ struct completion vsync_complete; ++ unsigned int guard_time; ++ struct clk *hclk; ++ struct clk *pixclk; ++ struct platform_device *pdev; ++ u32 pseudo_palette[16]; ++}; ++ ++/* ++ * How large framebuffer to allocate if none was provided by the ++ * platform. This default is the smallest we can possibly get away ++ * with. ++ */ ++static unsigned long fb_size = (320 * 240); ++ ++#if 0 ++static struct fb_videomode sony_modes[] = { ++ { ++ .refresh = 48, ++ .xres = 240, .yres = 160, ++ .pixclock = 520833, ++ ++ .left_margin = 7, .right_margin = 9, ++ .upper_margin = 19, .lower_margin = 20, ++ .hsync_len = 9, .vsync_len = 2, ++ ++ .sync = 0, ++ .vmode = FB_VMODE_NONINTERLACED, ++ }, ++}; ++#endif ++ ++#if 0 ++static struct fb_videomode vga_modes[] = { ++ { ++ .refresh = 122, ++ .xres = 320, .yres = 240, ++ .pixclock = 80000, ++ ++ .left_margin = 10, .right_margin = 20, ++ .upper_margin = 30, .lower_margin = 5, ++ .hsync_len = 20, .vsync_len = 3, ++ ++ .sync = 0, ++ .vmode = FB_VMODE_NONINTERLACED, ++ }, ++ { ++ .refresh = 70, ++ .xres = 640, .yres = 480, ++ .pixclock = 40000, ++ ++ .left_margin = 10, .right_margin = 20, ++ .upper_margin = 30, .lower_margin = 5, ++ .hsync_len = 20, .vsync_len = 3, ++ ++ .sync = 0, ++ .vmode = FB_VMODE_NONINTERLACED, ++ }, ++}; ++#else ++static struct fb_videomode samsung_modes[] = { ++ { ++ .refresh = 75, ++ .xres = 320, .yres = 240, ++ .pixclock = 145111, ++ ++ .left_margin = 17, .right_margin = 33, ++ .upper_margin = 10, .lower_margin = 10, ++ .hsync_len = 16, .vsync_len = 1, ++ ++ .sync = FB_SYNC_PCLK_RISING, ++ .vmode = FB_VMODE_NONINTERLACED, ++ }, ++}; ++#endif ++ ++#if 1 ++static struct fb_monspecs default_monspecs = { ++ .modedb = samsung_modes, ++ .manufacturer = "SNG", ++ .monitor = "LCD panel", ++ .serial_no = "xxxx", ++ .ascii = "yyyy", ++ .modedb_len = ARRAY_SIZE(samsung_modes), ++ .hfmin = 14820, ++ .hfmax = 22230, ++ .vfmin = 60, ++ .vfmax = 90, ++ .dclkmax = 30000000, ++}; ++#endif ++ ++#if 0 ++static struct fb_monspecs default_monspecs = { ++ .modedb = sony_modes, ++ .manufacturer = "SNY", /* 4 chars?!? */ ++ .monitor = "LCD panel", ++ .serial_no = "xxxx", ++ .ascii = "yyyy", ++ .modedb_len = ARRAY_SIZE(sony_modes), ++ .hfmin = 7000, ++ .hfmax = 8000, ++ .vfmin = 45, ++ .vfmax = 50, ++}; ++// #else ++static struct fb_monspecs default_monspecs = { ++ .modedb = vga_modes, ++ .manufacturer = "VGA", ++ .monitor = "Generic VGA", ++ .serial_no = "xxxx", ++ .ascii = "yyyy", ++ .modedb_len = ARRAY_SIZE(vga_modes), ++ .hfmin = 30000, ++ .hfmax = 64000, ++ .vfmin = 50, ++ .vfmax = 150, ++}; ++#endif ++ ++/* Driver defaults */ ++static struct fb_fix_screeninfo sidsafb_fix __devinitdata = { ++ .id = "sidsafb", ++ .type = FB_TYPE_PACKED_PIXELS, ++ .visual = FB_VISUAL_TRUECOLOR, ++ .xpanstep = 1, ++ .ypanstep = 1, ++ .ywrapstep = 0, ++ .accel = FB_ACCEL_NONE, ++}; ++ ++/* ++ * Let the user decide whether FBIOPAN_DISPLAY waits for the next ++ * vsync or not. ++ */ ++static ssize_t ++vsync_pan_show(struct device *dev, struct device_attribute *attr, char *buf) ++{ ++ struct fb_info *info = dev_get_drvdata(dev); ++ struct sidsafb_info *sinfo = info->par; ++ ++ return sprintf(buf, "%d\n", sinfo->wait_for_vsync); ++} ++ ++static ssize_t ++vsync_pan_store(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct fb_info *info = dev_get_drvdata(dev); ++ struct sidsafb_info *sinfo = info->par; ++ unsigned long val; ++ ++ val = simple_strtoul(buf, NULL, 0); ++ if (val) ++ sinfo->wait_for_vsync = 1; ++ else ++ sinfo->wait_for_vsync = 0; ++ ++ return count; ++} ++ ++static DEVICE_ATTR(vsync_pan, 0644, vsync_pan_show, vsync_pan_store); ++ ++static void sidsafb_update_dma(struct fb_info *info, ++ struct fb_var_screeninfo *var) ++{ ++ struct sidsafb_info *sinfo = info->par; ++ struct fb_fix_screeninfo *fix = &info->fix; ++ unsigned long dma_addr; ++ unsigned long pixeloff; ++ unsigned long dma2dcfg; ++ ++ dma_addr = (fix->smem_start + var->yoffset * fix->line_length ++ + var->xoffset * var->bits_per_pixel / 8); ++ ++ dma_addr &= ~3UL; ++ pixeloff = LCDC_MKBF(DMA2DCFG_PIXELOFF, var->xoffset * var->bits_per_pixel); ++ ++ /* Set framebuffer DMA base address and pixel offset */ ++ lcdc_writel(sinfo, DMABADDR1, dma_addr); ++ dma2dcfg = lcdc_readl(sinfo, DMA2DCFG); ++ dma2dcfg = LCDC_INSBF(DMA2DCFG_PIXELOFF, pixeloff, dma2dcfg); ++ lcdc_writel(sinfo, DMA2DCFG, dma2dcfg); ++ ++ /* Update configuration */ ++ lcdc_writel(sinfo, DMACON, (lcdc_readl(sinfo, DMACON) ++ | LCDC_BIT(DMACON_DMAUPDT))); ++} ++ ++/** ++ * sidsafb_check_var - Validates a var passed in. ++ * @var: frame buffer variable screen structure ++ * @info: frame buffer structure that represents a single frame buffer ++ * ++ * Checks to see if the hardware supports the state requested by ++ * var passed in. This function does not alter the hardware ++ * state!!! This means the data stored in struct fb_info and ++ * struct sidsafb_info do not change. This includes the var ++ * inside of struct fb_info. Do NOT change these. This function ++ * can be called on its own if we intent to only test a mode and ++ * not actually set it. The stuff in modedb.c is a example of ++ * this. If the var passed in is slightly off by what the ++ * hardware can support then we alter the var PASSED in to what ++ * we can do. If the hardware doesn't support mode change a ++ * -EINVAL will be returned by the upper layers. You don't need ++ * to implement this function then. If you hardware doesn't ++ * support changing the resolution then this function is not ++ * needed. In this case the driver would just provide a var that ++ * represents the static state the screen is in. ++ * ++ * Returns negative errno on error, or zero on success. ++ */ ++static int sidsafb_check_var(struct fb_var_screeninfo *var, ++ struct fb_info *info) ++{ ++ unsigned long new_fb_size; ++ ++ pr_debug("sidsafb_check_var:\n"); ++ pr_debug(" resolution: %ux%u\n", var->xres, var->yres); ++ pr_debug(" pixclk: %llu Hz\n", 1000000000000ULL / var->pixclock); ++ pr_debug(" bpp: %u\n", var->bits_per_pixel); ++ ++ new_fb_size = (var->xres_virtual * var->yres_virtual ++ * ((var->bits_per_pixel + 7) / 8)); ++ if (new_fb_size > info->fix.smem_len) { ++ printk(KERN_NOTICE ++ "sidsafb: %uB framebuffer too small for %ux%ux%u\n", ++ info->fix.smem_len, var->xres_virtual, ++ var->yres_virtual, var->bits_per_pixel); ++ return -EINVAL; ++ } ++ ++ /* Force same alignment for each line */ ++ var->xres = (var->xres + 3) & ~3UL; ++ var->xres_virtual = (var->xres_virtual + 3) & ~3UL; ++ ++ var->red.msb_right = var->green.msb_right = var->blue.msb_right = 0; ++ var->transp.offset = var->transp.length = 0; ++ ++ switch (var->bits_per_pixel) { ++ case 2: ++ case 4: ++ case 8: ++ var->red.offset = var->green.offset = var->blue.offset = 0; ++ var->red.length = var->green.length = var->blue.length ++ = var->bits_per_pixel; ++ break; ++ case 15: ++ case 16: ++ /* ++ * Bit 16 is the "intensity" bit, I think. Not sure ++ * what we're going to use that for... ++ */ ++ var->red.offset = 0; ++ var->green.offset = 5; ++ var->blue.offset = 10; ++ var->red.length = 5; ++ var->green.length = 5; ++ var->blue.length = 5; ++ break; ++ case 32: ++ var->transp.offset = 24; ++ var->transp.length = 8; ++ /* fall through */ ++ case 24: ++ var->red.offset = 16; ++ var->green.offset = 8; ++ var->blue.offset = 0; ++ var->red.length = var->green.length = var->blue.length = 8; ++ break; ++ default: ++ printk(KERN_NOTICE "sidsafb: color depth %d not supported\n", ++ var->bits_per_pixel); ++ return -EINVAL; ++ } ++ ++ var->xoffset = var->yoffset = 0; ++ var->red.msb_right = var->green.msb_right = var->blue.msb_right = ++ var->transp.msb_right = 0; ++ ++ return 0; ++} ++ ++/** ++ * sidsafb_set_par - Alters the hardware state. ++ * @info: frame buffer structure that represents a single frame buffer ++ * ++ * Using the fb_var_screeninfo in fb_info we set the resolution ++ * of the this particular framebuffer. This function alters the ++ * par AND the fb_fix_screeninfo stored in fb_info. It doesn't ++ * not alter var in fb_info since we are using that data. This ++ * means we depend on the data in var inside fb_info to be ++ * supported by the hardware. sidsafb_check_var is always called ++ * before sidsafb_set_par to ensure this. Again if you can't ++ * change the resolution you don't need this function. ++ * ++ */ ++static int sidsafb_set_par(struct fb_info *info) ++{ ++ struct sidsafb_info *sinfo = info->par; ++ unsigned long value; ++ ++ pr_debug("sidsafb_set_par:\n"); ++ pr_debug(" * resolution: %ux%u (%ux%u virtual)\n", ++ info->var.xres, info->var.yres, ++ info->var.xres_virtual, info->var.yres_virtual); ++ ++ /* Turn off the LCD controller and the DMA controller */ ++ pr_debug("writing 0x%08x to %p\n", ++ LCDC_MKBF(PWRCON_GUARD_TIME, sinfo->guard_time), ++ sinfo->regs + LCDC_PWRCON); ++ lcdc_writel(sinfo, PWRCON, ++ LCDC_MKBF(PWRCON_GUARD_TIME, sinfo->guard_time)); ++ pr_debug("writing 0 to %p\n", sinfo->regs + LCDC_DMACON); ++ lcdc_writel(sinfo, DMACON, 0); ++ ++ info->fix.line_length = (info->var.xres_virtual ++ * (info->var.bits_per_pixel / 8)); ++ ++ if (info->var.bits_per_pixel <= 8) ++ info->fix.visual = FB_VISUAL_PSEUDOCOLOR; ++ else ++ info->fix.visual = FB_VISUAL_TRUECOLOR; ++ ++ /* Re-initialize the DMA engine... */ ++ pr_debug(" * update DMA engine\n"); ++ sidsafb_update_dma(info, &info->var); ++ ++ /* ...set frame size and burst length = 8 words (?) */ ++ value = LCDC_MKBF(DMAFRMCFG_FRMSIZE, ++ (info->var.yres * info->fix.line_length + 3) / 4); ++ value |= LCDC_MKBF(DMAFRMCFG_BRSTLEN, (SIDSAFB_DMA_BURST_LEN - 1)); ++ lcdc_writel(sinfo, DMAFRMCFG, value); ++ ++ /* ...set 2D configuration (necessary for xres_virtual != xres) */ ++ value = LCDC_MKBF(DMA2DCFG_ADDRINC, ++ info->var.xres_virtual - info->var.xres); ++ lcdc_writel(sinfo, DMA2DCFG, value); ++ ++ /* ...wait for DMA engine to become idle... */ ++ while (lcdc_readl(sinfo, DMACON) & LCDC_BIT(DMACON_DMABUSY)) ++ msleep(10); ++ ++ pr_debug(" * re-enable DMA engine\n"); ++ /* ...and enable it with updated configuration */ ++ lcdc_writel(sinfo, DMACON, (LCDC_BIT(DMACON_DMAEN) ++ | LCDC_BIT(DMACON_DMAUPDT) ++ | LCDC_BIT(DMACON_DMA2DEN))); ++ ++ /* Now, the LCD core... */ ++ ++ /* Set pixel clock. */ ++ value = (clk_get_rate(sinfo->pixclk) / 100000) * info->var.pixclock; ++ value /= 10000000; ++ value = (value + 1) / 2; ++ if (value == 0) { ++ printk("sidsafb: Bypassing lcdc_pclk divider\n"); ++ lcdc_writel(sinfo, LCDCON1, LCDC_BIT(LCDCON1_BYPASS)); ++ } else { ++ lcdc_writel(sinfo, LCDCON1, LCDC_MKBF(LCDCON1_CLKVAL, value - 1)); ++ } ++ ++ /* Initialize control register 2 */ ++ value = (LCDC_BIT(LCDCON2_CLKMOD) ++ | LCDC_MKBF(LCDCON2_DISTYPE, LCDC_DISTYPE_TFT)); ++ if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) ++ value |= LCDC_BIT(LCDCON2_INVLINE); ++ if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT)) ++ value |= LCDC_BIT(LCDCON2_INVFRAME); ++ if (info->var.sync & FB_SYNC_PCLK_RISING) ++ value |= LCDC_BIT(LCDCON2_INVCLK); ++ ++ switch (info->var.bits_per_pixel) { ++ case 1: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 0); break; ++ case 2: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 1); break; ++ case 4: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 2); break; ++ case 8: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 3); break; ++ case 15: /* fall through */ ++ case 16: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 4); break; ++ case 24: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 5); break; ++ case 32: value |= LCDC_MKBF(LCDCON2_PIXELSIZE, 6); break; ++ default: BUG(); break; ++ } ++ pr_debug(" * LCDCON2 = %08lx\n", value); ++ lcdc_writel(sinfo, LCDCON2, value); ++ ++ /* Vertical timing */ ++ value = LCDC_MKBF(LCDTIM1_VPW, info->var.vsync_len - 1); ++ value |= LCDC_MKBF(LCDTIM1_VBP, info->var.upper_margin); ++ value |= LCDC_MKBF(LCDTIM1_VFP, info->var.lower_margin); ++ pr_debug(" * LCDTIM1 = %08lx\n", value); ++ lcdc_writel(sinfo, LCDTIM1, value); ++ ++ /* Horizontal timing */ ++ value = LCDC_MKBF(LCDTIM2_HFP, info->var.right_margin - 1); ++ value |= LCDC_MKBF(LCDTIM2_HPW, info->var.hsync_len - 1); ++ value |= LCDC_MKBF(LCDTIM2_HBP, info->var.left_margin - 1); ++ pr_debug(" * LCDTIM2 = %08lx\n", value); ++ lcdc_writel(sinfo, LCDTIM2, value); ++ ++ /* Display size */ ++ value = LCDC_MKBF(LCDFRMCFG_LINESIZE, info->var.xres - 1); ++ value |= LCDC_MKBF(LCDFRMCFG_LINEVAL, info->var.yres - 1); ++ lcdc_writel(sinfo, LCDFRMCFG, value); ++ ++ /* FIFO Threshold: Use formula from data sheet */ ++ value = SIDSAFB_FIFO_SIZE - (2 * SIDSAFB_DMA_BURST_LEN + 3); ++ lcdc_writel(sinfo, LCDFIFO, value); ++ ++ /* Toggle LCD_MODE every frame */ ++ lcdc_writel(sinfo, LCDMVAL, 0); ++ ++ /* Disable all interrupts */ ++ lcdc_writel(sinfo, LCD_IDR, ~0UL); ++ ++ /* Wait for the LCDC core to become idle and enable it */ ++ while(lcdc_readl(sinfo, PWRCON) & LCDC_BIT(PWRCON_LCD_BUSY)) ++ msleep(10); ++ ++ pr_debug(" * re-enable LCD core\n"); ++ lcdc_writel(sinfo, PWRCON, ++ LCDC_MKBF(PWRCON_GUARD_TIME, sinfo->guard_time) ++ | LCDC_BIT(PWRCON_LCD_PWR)); ++ ++ pr_debug(" * DONE\n"); ++ return 0; ++} ++ ++static inline u_int chan_to_field(u_int chan, const struct fb_bitfield *bf) ++{ ++ chan &= 0xffff; ++ chan >>= 16 - bf->length; ++ return chan << bf->offset; ++} ++ ++/** ++ * sidsafb_setcolreg - Optional function. Sets a color register. ++ * @regno: Which register in the CLUT we are programming ++ * @red: The red value which can be up to 16 bits wide ++ * @green: The green value which can be up to 16 bits wide ++ * @blue: The blue value which can be up to 16 bits wide. ++ * @transp: If supported the alpha value which can be up to 16 bits wide. ++ * @info: frame buffer info structure ++ * ++ * Set a single color register. The values supplied have a 16 bit ++ * magnitude which needs to be scaled in this function for the hardware. ++ * Things to take into consideration are how many color registers, if ++ * any, are supported with the current color visual. With truecolor mode ++ * no color palettes are supported. Here a psuedo palette is created ++ * which we store the value in pseudo_palette in struct fb_info. For ++ * pseudocolor mode we have a limited color palette. To deal with this ++ * we can program what color is displayed for a particular pixel value. ++ * DirectColor is similar in that we can program each color field. If ++ * we have a static colormap we don't need to implement this function. ++ * ++ * Returns negative errno on error, or zero on success. In an ++ * ideal world, this would have been the case, but as it turns ++ * out, the other drivers return 1 on failure, so that's what ++ * we're going to do. ++ */ ++static int sidsafb_setcolreg(unsigned int regno, unsigned int red, ++ unsigned int green, unsigned int blue, ++ unsigned int transp, struct fb_info *info) ++{ ++ struct sidsafb_info *sinfo = info->par; ++ unsigned int val; ++ u32 *pal; ++ int ret = 1; ++ ++ if (info->var.grayscale) ++ red = green = blue = (19595 * red + 38470 * green ++ + 7471 * blue) >> 16; ++ ++ switch (info->fix.visual) { ++ case FB_VISUAL_TRUECOLOR: ++ if (regno < 16) { ++ pal = info->pseudo_palette; ++ ++ val = chan_to_field(red, &info->var.red); ++ val |= chan_to_field(green, &info->var.green); ++ val |= chan_to_field(blue, &info->var.blue); ++ ++ pal[regno] = val; ++ ret = 0; ++ } ++ break; ++ ++ case FB_VISUAL_PSEUDOCOLOR: ++ if (regno < 256) { ++ val = ((red >> 11) & 0x001f); ++ val |= ((green >> 6) & 0x03e0); ++ val |= ((blue >> 1) & 0x7c00); ++ ++ /* ++ * TODO: intensity bit. Maybe something like ++ * ~(red[10] ^ green[10] ^ blue[10]) & 1 ++ */ ++ ++ lcdc_writel(sinfo, LUT + regno * 4, val); ++ ret = 0; ++ } ++ break; ++ } ++ ++ return ret; ++} ++ ++static int sidsafb_pan_display(struct fb_var_screeninfo *var, ++ struct fb_info *info) ++{ ++ struct sidsafb_info *sinfo = info->par; ++ ++ pr_debug("sidsafb_pan_display\n"); ++ ++ sidsafb_update_dma(info, var); ++ ++ if (sinfo->wait_for_vsync) { ++ spin_lock_irq(&sinfo->lock); ++ lcdc_writel(sinfo, LCD_ICR, LCDC_BIT(LCD_ICR_EOFIC)); ++ lcdc_writel(sinfo, LCD_IER, LCDC_BIT(LCD_IER_EOFIE)); ++ init_completion(&sinfo->vsync_complete); ++ lcdc_readl(sinfo, LCD_IMR); ++ spin_unlock_irq(&sinfo->lock); ++ ++ wait_for_completion(&sinfo->vsync_complete); ++ ++ lcdc_writel(sinfo, LCD_IDR, LCDC_BIT(LCD_IDR_EOFID)); ++ } ++ ++ return 0; ++} ++ ++static struct fb_ops sidsafb_ops = { ++ .owner = THIS_MODULE, ++ .fb_check_var = sidsafb_check_var, ++ .fb_set_par = sidsafb_set_par, ++ .fb_setcolreg = sidsafb_setcolreg, ++ .fb_pan_display = sidsafb_pan_display, ++ .fb_fillrect = cfb_fillrect, ++ .fb_copyarea = cfb_copyarea, ++ .fb_imageblit = cfb_imageblit, ++}; ++ ++static irqreturn_t sidsafb_interrupt(int irq, void *dev_id) ++{ ++ struct fb_info *info = dev_id; ++ struct sidsafb_info *sinfo = info->par; ++ u32 status; ++ ++ status = lcdc_readl(sinfo, LCD_ISR); ++ while (status) { ++ if (status & LCDC_BIT(LCD_ISR_EOFIS)) { ++ pr_debug("sidsafb: DMA End Of Frame interrupt\n"); ++ ++ lcdc_writel(sinfo, LCD_ICR, LCDC_BIT(LCD_ICR_EOFIC)); ++ status &= ~LCDC_BIT(LCD_ISR_EOFIS); ++ complete(&sinfo->vsync_complete); ++ } ++ ++ if (status) { ++ printk(KERN_ERR ++ "LCDC: Interrupts still pending: 0x%x\n", ++ status); ++ lcdc_writel(sinfo, LCD_IDR, status); ++ } ++ ++ status = lcdc_readl(sinfo, LCD_ISR); ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++static void __devinit init_pseudo_palette(u32 *palette) ++{ ++ static const u32 init_palette[16] = { ++ 0x000000, ++ 0xaa0000, ++ 0x00aa00, ++ 0xaa5500, ++ 0x0000aa, ++ 0xaa00aa, ++ 0x00aaaa, ++ 0xaaaaaa, ++ 0x555555, ++ 0xff5555, ++ 0x55ff55, ++ 0xffff55, ++ 0x5555ff, ++ 0xff55ff, ++ 0x55ffff, ++ 0xffffff ++ }; ++ ++ memcpy(palette, init_palette, sizeof(init_palette)); ++} ++ ++static int __devinit sidsafb_set_fbinfo(struct sidsafb_info *sinfo) ++{ ++ struct fb_info *info = sinfo->info; ++ ++ init_pseudo_palette(sinfo->pseudo_palette); ++ ++ info->flags = (FBINFO_DEFAULT ++ | FBINFO_PARTIAL_PAN_OK ++ | FBINFO_HWACCEL_XPAN ++ | FBINFO_HWACCEL_YPAN); ++ memcpy(&info->fix, &sidsafb_fix, sizeof(info->fix)); ++ memcpy(&info->monspecs, &default_monspecs, sizeof(info->monspecs)); ++ info->fbops = &sidsafb_ops; ++ info->pseudo_palette = sinfo->pseudo_palette; ++ ++ return 0; ++} ++ ++static int __devinit sidsafb_probe(struct platform_device *pdev) ++{ ++ struct lcdc_platform_data *fb_data = pdev->dev.platform_data; ++ struct fb_info *info; ++ struct sidsafb_info *sinfo; ++ const struct resource *mmio_resource; ++ int ret; ++ ++ pr_debug("sidsafb_probe BEGIN\n"); ++ ++ mmio_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!mmio_resource) { ++ dev_err(&pdev->dev, "no MMIO resource found\n"); ++ return -ENXIO; ++ } ++ ++ ret = -ENOMEM; ++ info = framebuffer_alloc(sizeof(struct sidsafb_info), &pdev->dev); ++ if (!info) { ++ dev_err(&pdev->dev, "failed to allocate memory\n"); ++ goto out; ++ } ++ ++ sinfo = info->par; ++ sinfo->info = info; ++ sinfo->pdev = pdev; ++ sinfo->guard_time = 1; ++ ++ spin_lock_init(&sinfo->lock); ++ sidsafb_set_fbinfo(sinfo); ++ info->fix.mmio_start = mmio_resource->start; ++ info->fix.mmio_len = mmio_resource->end - mmio_resource->start + 1; ++ sinfo->irq_base = platform_get_irq(pdev, 0); ++ ++ sinfo->hclk = clk_get(&pdev->dev, "hclk"); ++ if (IS_ERR(sinfo->hclk)) { ++ dev_err(&pdev->dev, "failed to get hclk\n"); ++ ret = PTR_ERR(sinfo->hclk); ++ goto free_info; ++ } ++ sinfo->pixclk = clk_get(&pdev->dev, "pixclk"); ++ if (IS_ERR(sinfo->pixclk)) { ++ dev_err(&pdev->dev, "failed to get pixel clock\n"); ++ ret = PTR_ERR(sinfo->hclk); ++ goto put_hclk; ++ } ++ ++ clk_enable(sinfo->hclk); ++ clk_enable(sinfo->pixclk); ++ ++ /* Use platform-supplied framebuffer memory if available */ ++ if (fb_data && fb_data->fbmem_size != 0) { ++ info->fix.smem_start = fb_data->fbmem_start; ++ info->fix.smem_len = fb_data->fbmem_size; ++ info->screen_base = ioremap(info->fix.smem_start, ++ info->fix.smem_len); ++ } else { ++ dma_addr_t paddr; ++ ++ info->fix.smem_len = fb_size; ++ info->screen_base = dma_alloc_coherent(&pdev->dev, fb_size, ++ &paddr, GFP_KERNEL); ++ info->fix.smem_start = paddr; ++ } ++ ++ if (!info->screen_base) { ++ printk(KERN_ERR "sidsafb: Could not allocate framebuffer\n"); ++ goto disable_clocks; ++ } ++ ++ sinfo->regs = ioremap(info->fix.mmio_start, info->fix.mmio_len); ++ if (!sinfo->regs) { ++ printk(KERN_ERR "sidsafb: Could not map LCDC registers\n"); ++ goto free_fb; ++ } ++ ++ ret = fb_find_mode(&info->var, info, NULL, info->monspecs.modedb, ++ info->monspecs.modedb_len, info->monspecs.modedb, ++ CONFIG_FB_SIDSA_DEFAULT_BPP); ++ if (!ret) { ++ printk(KERN_ERR "sidsafb: No suitable video mode found\n"); ++ goto unmap_regs; ++ } ++ ++ ret = request_irq(sinfo->irq_base, sidsafb_interrupt, 0, ++ "sidsafb", info); ++ if (ret) ++ goto unmap_regs; ++ ++ /* Allocate colormap */ ++ if (fb_alloc_cmap(&info->cmap, 256, 0)) { ++ ret = -ENOMEM; ++ goto unregister_irqs; ++ } ++ ++ platform_set_drvdata(pdev, info); ++ ret = device_create_file(&pdev->dev, &dev_attr_vsync_pan); ++ if (ret) ++ goto free_cmap; ++ ++ /* ++ * Tell the world that we're ready to go ++ */ ++ ret = register_framebuffer(info); ++ if (ret) ++ goto remove_attrs; ++ ++ printk("fb%d: Atmel LCDC at 0x%08lx (mapped at %p), irq %lu\n", ++ info->node, info->fix.mmio_start, sinfo->regs, sinfo->irq_base); ++ ++ memset_io(info->screen_base, 0, info->fix.smem_len); ++ info->var.activate |= FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW; ++ ret = fb_set_var(info, &info->var); ++ if (ret) ++ printk(KERN_WARNING ++ "sidsafb: Unable to set display parameters\n"); ++ info->var.activate &= ~(FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW); ++ ++ pr_debug("sidsafb_probe SUCCESS\n"); ++ return 0; ++ ++ ++remove_attrs: ++ device_remove_file(&pdev->dev, &dev_attr_vsync_pan); ++free_cmap: ++ fb_dealloc_cmap(&info->cmap); ++unregister_irqs: ++ free_irq(sinfo->irq_base, info); ++unmap_regs: ++ iounmap(sinfo->regs); ++free_fb: ++ if (!fb_data || fb_data->fbmem_size == 0) ++ dma_free_coherent(&pdev->dev, info->fix.smem_len, ++ (void __force *)info->screen_base, ++ info->fix.smem_start); ++disable_clocks: ++ clk_disable(sinfo->pixclk); ++ clk_disable(sinfo->hclk); ++ clk_put(sinfo->pixclk); ++put_hclk: ++ clk_put(sinfo->hclk); ++free_info: ++ framebuffer_release(info); ++out: ++ pr_debug("sidsafb_probe FAILED\n"); ++ return ret; ++} ++ ++static int __devexit sidsafb_remove(struct platform_device *pdev) ++{ ++ struct lcdc_platform_data *fb_data = pdev->dev.platform_data; ++ struct fb_info *info = platform_get_drvdata(pdev); ++ struct sidsafb_info *sinfo; ++ ++ if (!info) ++ return 0; ++ sinfo = info->par; ++ ++ /* TODO: Restore original state */ ++ unregister_framebuffer(info); ++ ++ device_remove_file(&pdev->dev, &dev_attr_vsync_pan); ++ ++ fb_dealloc_cmap(&info->cmap); ++ free_irq(sinfo->irq_base, info); ++ iounmap(sinfo->regs); ++ if (!fb_data || fb_data->fbmem_size == 0) ++ dma_free_coherent(&pdev->dev, info->fix.smem_len, ++ (void __force *)info->screen_base, ++ info->fix.smem_start); ++ clk_disable(sinfo->hclk); ++ clk_put(sinfo->hclk); ++ platform_set_drvdata(pdev, NULL); ++ framebuffer_release(info); ++ ++ return 0; ++} ++ ++static struct platform_driver sidsafb_driver = { ++ .probe = sidsafb_probe, ++ .remove = __devexit_p(sidsafb_remove), ++ .driver = { ++ .name = "lcdc", ++ }, ++}; ++ ++int __init sidsafb_init(void) ++{ ++ return platform_driver_register(&sidsafb_driver); ++} ++ ++static void __exit sidsafb_exit(void) ++{ ++ platform_driver_unregister(&sidsafb_driver); ++} ++ ++module_init(sidsafb_init); ++module_exit(sidsafb_exit); ++ ++module_param(fb_size, ulong, 0644); ++MODULE_PARM_DESC(fb_size, "Minimum framebuffer size to allocate"); ++ ++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); ++MODULE_DESCRIPTION("Atmel/SIDSA LCD Controller framebuffer driver"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_dbgu.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_dbgu.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_dbgu.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_dbgu.h 2007-03-24 16:39:15.000000000 +0100 +@@ -35,6 +35,20 @@ + #define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */ + #define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */ + #define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */ ++#define AT91_CIDR_SRAMSIZ_1K (1 << 16) ++#define AT91_CIDR_SRAMSIZ_2K (2 << 16) ++#define AT91_CIDR_SRAMSIZ_112K (4 << 16) ++#define AT91_CIDR_SRAMSIZ_4K (5 << 16) ++#define AT91_CIDR_SRAMSIZ_80K (6 << 16) ++#define AT91_CIDR_SRAMSIZ_160K (7 << 16) ++#define AT91_CIDR_SRAMSIZ_8K (8 << 16) ++#define AT91_CIDR_SRAMSIZ_16K (9 << 16) ++#define AT91_CIDR_SRAMSIZ_32K (10 << 16) ++#define AT91_CIDR_SRAMSIZ_64K (11 << 16) ++#define AT91_CIDR_SRAMSIZ_128K (12 << 16) ++#define AT91_CIDR_SRAMSIZ_256K (13 << 16) ++#define AT91_CIDR_SRAMSIZ_96K (14 << 16) ++#define AT91_CIDR_SRAMSIZ_512K (15 << 16) + #define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */ + #define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */ + #define AT91_CIDR_EXT (1 << 31) /* Extension Flag */ +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_mci.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_mci.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_mci.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_mci.h 2007-03-24 16:39:15.000000000 +0100 +@@ -26,6 +26,9 @@ + #define AT91_MCI_MR 0x04 /* Mode Register */ + #define AT91_MCI_CLKDIV (0xff << 0) /* Clock Divider */ + #define AT91_MCI_PWSDIV (7 << 8) /* Power Saving Divider */ ++#define AT91_MCI_RDPROOF (1 << 11) /* Read Proof Enable [SAM926[03] only] */ ++#define AT91_MCI_WRPROOF (1 << 12) /* Write Proof Enable [SAM926[03] only] */ ++#define AT91_MCI_PDCFBYTE (1 << 13) /* PDC Force Byte Transfer [SAM926[03] only] */ + #define AT91_MCI_PDCPADV (1 << 14) /* PDC Padding Value */ + #define AT91_MCI_PDCMODE (1 << 15) /* PDC-orientated Mode */ + #define AT91_MCI_BLKLEN (0xfff << 18) /* Data Block Length */ +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_pdc.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_pdc.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_pdc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_pdc.h 1970-01-01 01:00:00.000000000 +0100 +@@ -1,36 +0,0 @@ +-/* +- * include/asm-arm/arch-at91rm9200/at91_pdc.h +- * +- * Copyright (C) 2005 Ivan Kokshaysky +- * Copyright (C) SAN People +- * +- * Peripheral Data Controller (PDC) registers. +- * Based on AT91RM9200 datasheet revision E. +- * +- * This program is free software; you can redistribute it and/or modify +- * it under the terms of the GNU General Public License as published by +- * the Free Software Foundation; either version 2 of the License, or +- * (at your option) any later version. +- */ +- +-#ifndef AT91_PDC_H +-#define AT91_PDC_H +- +-#define AT91_PDC_RPR 0x100 /* Receive Pointer Register */ +-#define AT91_PDC_RCR 0x104 /* Receive Counter Register */ +-#define AT91_PDC_TPR 0x108 /* Transmit Pointer Register */ +-#define AT91_PDC_TCR 0x10c /* Transmit Counter Register */ +-#define AT91_PDC_RNPR 0x110 /* Receive Next Pointer Register */ +-#define AT91_PDC_RNCR 0x114 /* Receive Next Counter Register */ +-#define AT91_PDC_TNPR 0x118 /* Transmit Next Pointer Register */ +-#define AT91_PDC_TNCR 0x11c /* Transmit Next Counter Register */ +- +-#define AT91_PDC_PTCR 0x120 /* Transfer Control Register */ +-#define AT91_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */ +-#define AT91_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */ +-#define AT91_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */ +-#define AT91_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */ +- +-#define AT91_PDC_PTSR 0x124 /* Transfer Status Register */ +- +-#endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_rstc.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_rstc.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91_rstc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91_rstc.h 2007-03-24 16:39:16.000000000 +0100 +@@ -17,7 +17,7 @@ + #define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ + #define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */ + #define AT91_RSTC_EXTRST (1 << 3) /* External Reset */ +-#define AT91_RSTC_KEY (0xff << 24) /* KEY Password */ ++#define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */ + + #define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */ + #define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */ +@@ -34,6 +34,5 @@ + #define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */ + #define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */ + #define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */ +-#define AT91_RSTC_KEY (0xff << 24) /* KEY Password */ + + #endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9260.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9260.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9260.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9260.h 2007-03-24 16:39:16.000000000 +0100 +@@ -113,6 +113,10 @@ + + #define AT91SAM9260_UHP_BASE 0x00500000 /* USB Host controller */ + ++#define AT91SAM9XE_FLASH_BASE 0x00200000 /* Internal FLASH base address */ ++#define AT91SAM9XE_SRAM_BASE 0x00300000 /* Internal SRAM base address */ ++ ++ + #if 0 + /* + * PIO pin definitions (peripheral A/B multiplexing). +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9260_matrix.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9260_matrix.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9260_matrix.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9260_matrix.h 2007-03-24 16:39:16.000000000 +0100 +@@ -18,7 +18,7 @@ + #define AT91_MATRIX_MCFG2 (AT91_MATRIX + 0x08) /* Master Configuration Register 2 */ + #define AT91_MATRIX_MCFG3 (AT91_MATRIX + 0x0C) /* Master Configuration Register 3 */ + #define AT91_MATRIX_MCFG4 (AT91_MATRIX + 0x10) /* Master Configuration Register 4 */ +-#define AT91_MATRIX_MCFG5 (AT91_MATRIX + 0x04) /* Master Configuration Register 5 */ ++#define AT91_MATRIX_MCFG5 (AT91_MATRIX + 0x14) /* Master Configuration Register 5 */ + #define AT91_MATRIX_ULBT (7 << 0) /* Undefined Length Burst Type */ + #define AT91_MATRIX_ULBT_INFINITE (0 << 0) + #define AT91_MATRIX_ULBT_SINGLE (1 << 0) +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9263.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9263.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9263.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9263.h 2007-03-24 16:39:16.000000000 +0100 +@@ -0,0 +1,131 @@ ++/* ++ * include/asm-arm/arch-at91rm9200/at91sam9263.h ++ * ++ * (C) 2007 Atmel Corporation. ++ * ++ * Common definitions. ++ * Based on AT91SAM9263 datasheet revision B (Preliminary). ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++#ifndef AT91SAM9263_H ++#define AT91SAM9263_H ++ ++/* ++ * Peripheral identifiers/interrupts. ++ */ ++#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ ++#define AT91_ID_SYS 1 /* System Peripherals */ ++#define AT91SAM9263_ID_PIOA 2 /* Parallel IO Controller A */ ++#define AT91SAM9263_ID_PIOB 3 /* Parallel IO Controller B */ ++#define AT91SAM9263_ID_PIOCDE 4 /* Parallel IO Controller C, D and E */ ++#define AT91SAM9263_ID_US0 7 /* USART 0 */ ++#define AT91SAM9263_ID_US1 8 /* USART 1 */ ++#define AT91SAM9263_ID_US2 9 /* USART 2 */ ++#define AT91SAM9263_ID_MCI0 10 /* Multimedia Card Interface 0 */ ++#define AT91SAM9263_ID_MCI1 11 /* Multimedia Card Interface 1 */ ++#define AT91SAM9263_ID_CAN 12 /* CAN */ ++#define AT91SAM9263_ID_TWI 13 /* Two-Wire Interface */ ++#define AT91SAM9263_ID_SPI0 14 /* Serial Peripheral Interface 0 */ ++#define AT91SAM9263_ID_SPI1 15 /* Serial Peripheral Interface 1 */ ++#define AT91SAM9263_ID_SSC0 16 /* Serial Synchronous Controller 0 */ ++#define AT91SAM9263_ID_SSC1 17 /* Serial Synchronous Controller 1 */ ++#define AT91SAM9263_ID_AC97C 18 /* AC97 Controller */ ++#define AT91SAM9263_ID_TCB 19 /* Timer Counter 0, 1 and 2 */ ++#define AT91SAM9263_ID_PWMC 20 /* Pulse Width Modulation Controller */ ++#define AT91SAM9263_ID_EMAC 21 /* Ethernet */ ++#define AT91SAM9263_ID_2DGE 23 /* 2D Graphic Engine */ ++#define AT91SAM9263_ID_UDP 24 /* USB Device Port */ ++#define AT91SAM9263_ID_ISI 25 /* Image Sensor Interface */ ++#define AT91SAM9263_ID_LCDC 26 /* LCD Controller */ ++#define AT91SAM9263_ID_DMA 27 /* DMA Controller */ ++#define AT91SAM9263_ID_UHP 29 /* USB Host port */ ++#define AT91SAM9263_ID_IRQ0 30 /* Advanced Interrupt Controller (IRQ0) */ ++#define AT91SAM9263_ID_IRQ1 31 /* Advanced Interrupt Controller (IRQ1) */ ++ ++ ++/* ++ * User Peripheral physical base addresses. ++ */ ++#define AT91SAM9263_BASE_UDP 0xfff78000 ++#define AT91SAM9263_BASE_TCB0 0xfff7c000 ++#define AT91SAM9263_BASE_TC0 0xfff7c000 ++#define AT91SAM9263_BASE_TC1 0xfff7c040 ++#define AT91SAM9263_BASE_TC2 0xfff7c080 ++#define AT91SAM9263_BASE_MCI0 0xfff80000 ++#define AT91SAM9263_BASE_MCI1 0xfff84000 ++#define AT91SAM9263_BASE_TWI 0xfff88000 ++#define AT91SAM9263_BASE_US0 0xfff8c000 ++#define AT91SAM9263_BASE_US1 0xfff90000 ++#define AT91SAM9263_BASE_US2 0xfff94000 ++#define AT91SAM9263_BASE_SSC0 0xfff98000 ++#define AT91SAM9263_BASE_SSC1 0xfff9c000 ++#define AT91SAM9263_BASE_AC97C 0xfffa0000 ++#define AT91SAM9263_BASE_SPI0 0xfffa4000 ++#define AT91SAM9263_BASE_SPI1 0xfffa8000 ++#define AT91SAM9263_BASE_CAN 0xfffac000 ++#define AT91SAM9263_BASE_PWMC 0xfffb8000 ++#define AT91SAM9263_BASE_EMAC 0xfffbc000 ++#define AT91SAM9263_BASE_ISI 0xfffc4000 ++#define AT91SAM9263_BASE_2DGE 0xfffc8000 ++#define AT91_BASE_SYS 0xffffe000 ++ ++/* ++ * System Peripherals (offset from AT91_BASE_SYS) ++ */ ++#define AT91_ECC0 (0xffffe000 - AT91_BASE_SYS) ++#define AT91_SDRAMC0 (0xffffe200 - AT91_BASE_SYS) ++#define AT91_SMC0 (0xffffe400 - AT91_BASE_SYS) ++#define AT91_ECC1 (0xffffe600 - AT91_BASE_SYS) ++#define AT91_SDRAMC1 (0xffffe800 - AT91_BASE_SYS) ++#define AT91_SMC1 (0xffffea00 - AT91_BASE_SYS) ++#define AT91_MATRIX (0xffffec00 - AT91_BASE_SYS) ++#define AT91_CCFG (0xffffed10 - AT91_BASE_SYS) ++#define AT91_DBGU (0xffffee00 - AT91_BASE_SYS) ++#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) ++#define AT91_PIOA (0xfffff200 - AT91_BASE_SYS) ++#define AT91_PIOB (0xfffff400 - AT91_BASE_SYS) ++#define AT91_PIOC (0xfffff600 - AT91_BASE_SYS) ++#define AT91_PIOD (0xfffff800 - AT91_BASE_SYS) ++#define AT91_PIOE (0xfffffa00 - AT91_BASE_SYS) ++#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) ++#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) ++#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) ++#define AT91_RTT0 (0xfffffd20 - AT91_BASE_SYS) ++#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) ++#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) ++#define AT91_RTT1 (0xfffffd50 - AT91_BASE_SYS) ++#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) ++ ++#define AT91_SMC AT91_SMC0 ++ ++/* ++ * Internal Memory. ++ */ ++#define AT91SAM9263_SRAM0_BASE 0x00300000 /* Internal SRAM 0 base address */ ++#define AT91SAM9263_SRAM0_SIZE (80 * SZ_1K) /* Internal SRAM 0 size (80Kb) */ ++ ++#define AT91SAM9263_ROM_BASE 0x00400000 /* Internal ROM base address */ ++#define AT91SAM9263_ROM_SIZE SZ_128K /* Internal ROM size (128Kb) */ ++ ++#define AT91SAM9263_SRAM1_BASE 0x00500000 /* Internal SRAM 1 base address */ ++#define AT91SAM9263_SRAM1_SIZE SZ_16K /* Internal SRAM 1 size (16Kb) */ ++ ++#define AT91SAM9263_LCDC_BASE 0x00700000 /* LCD Controller */ ++#define AT91SAM9263_DMAC_BASE 0x00800000 /* DMA Controller */ ++#define AT91SAM9263_UHP_BASE 0x00a00000 /* USB Host controller */ ++ ++#if 0 ++/* ++ * PIO pin definitions (peripheral A/B multiplexing). ++ */ ++ ++// TODO: Add ++ ++#endif ++ ++#endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9263_matrix.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9263_matrix.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam9263_matrix.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam9263_matrix.h 2007-03-24 16:39:16.000000000 +0100 +@@ -0,0 +1,129 @@ ++/* ++ * include/asm-arm/arch-at91rm9200/at91sam9263_matrix.h ++ * ++ * Copyright (C) 2006 Atmel Corporation. ++ * ++ * Memory Controllers (MATRIX, EBI) - System peripherals registers. ++ * Based on AT91SAM9263 datasheet revision B (Preliminary). ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++#ifndef AT91SAM9263_MATRIX_H ++#define AT91SAM9263_MATRIX_H ++ ++#define AT91_MATRIX_MCFG0 (AT91_MATRIX + 0x00) /* Master Configuration Register 0 */ ++#define AT91_MATRIX_MCFG1 (AT91_MATRIX + 0x04) /* Master Configuration Register 1 */ ++#define AT91_MATRIX_MCFG2 (AT91_MATRIX + 0x08) /* Master Configuration Register 2 */ ++#define AT91_MATRIX_MCFG3 (AT91_MATRIX + 0x0C) /* Master Configuration Register 3 */ ++#define AT91_MATRIX_MCFG4 (AT91_MATRIX + 0x10) /* Master Configuration Register 4 */ ++#define AT91_MATRIX_MCFG5 (AT91_MATRIX + 0x14) /* Master Configuration Register 5 */ ++#define AT91_MATRIX_MCFG6 (AT91_MATRIX + 0x18) /* Master Configuration Register 6 */ ++#define AT91_MATRIX_MCFG7 (AT91_MATRIX + 0x1C) /* Master Configuration Register 7 */ ++#define AT91_MATRIX_MCFG8 (AT91_MATRIX + 0x20) /* Master Configuration Register 8 */ ++#define AT91_MATRIX_ULBT (7 << 0) /* Undefined Length Burst Type */ ++#define AT91_MATRIX_ULBT_INFINITE (0 << 0) ++#define AT91_MATRIX_ULBT_SINGLE (1 << 0) ++#define AT91_MATRIX_ULBT_FOUR (2 << 0) ++#define AT91_MATRIX_ULBT_EIGHT (3 << 0) ++#define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) ++ ++#define AT91_MATRIX_SCFG0 (AT91_MATRIX + 0x40) /* Slave Configuration Register 0 */ ++#define AT91_MATRIX_SCFG1 (AT91_MATRIX + 0x44) /* Slave Configuration Register 1 */ ++#define AT91_MATRIX_SCFG2 (AT91_MATRIX + 0x48) /* Slave Configuration Register 2 */ ++#define AT91_MATRIX_SCFG3 (AT91_MATRIX + 0x4C) /* Slave Configuration Register 3 */ ++#define AT91_MATRIX_SCFG4 (AT91_MATRIX + 0x50) /* Slave Configuration Register 4 */ ++#define AT91_MATRIX_SCFG5 (AT91_MATRIX + 0x54) /* Slave Configuration Register 5 */ ++#define AT91_MATRIX_SCFG6 (AT91_MATRIX + 0x58) /* Slave Configuration Register 6 */ ++#define AT91_MATRIX_SCFG7 (AT91_MATRIX + 0x5C) /* Slave Configuration Register 7 */ ++#define AT91_MATRIX_SLOT_CYCLE (0xff << 0) /* Maximum Number of Allowed Cycles for a Burst */ ++#define AT91_MATRIX_DEFMSTR_TYPE (3 << 16) /* Default Master Type */ ++#define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) ++#define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) ++#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) ++#define AT91_MATRIX_FIXED_DEFMSTR (7 << 18) /* Fixed Index of Default Master */ ++#define AT91_MATRIX_ARBT (3 << 24) /* Arbitration Type */ ++#define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) ++#define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) ++ ++#define AT91_MATRIX_PRAS0 (AT91_MATRIX + 0x80) /* Priority Register A for Slave 0 */ ++#define AT91_MATRIX_PRBS0 (AT91_MATRIX + 0x84) /* Priority Register B for Slave 0 */ ++#define AT91_MATRIX_PRAS1 (AT91_MATRIX + 0x88) /* Priority Register A for Slave 1 */ ++#define AT91_MATRIX_PRBS1 (AT91_MATRIX + 0x8C) /* Priority Register B for Slave 1 */ ++#define AT91_MATRIX_PRAS2 (AT91_MATRIX + 0x90) /* Priority Register A for Slave 2 */ ++#define AT91_MATRIX_PRBS2 (AT91_MATRIX + 0x94) /* Priority Register B for Slave 2 */ ++#define AT91_MATRIX_PRAS3 (AT91_MATRIX + 0x98) /* Priority Register A for Slave 3 */ ++#define AT91_MATRIX_PRBS3 (AT91_MATRIX + 0x9C) /* Priority Register B for Slave 3 */ ++#define AT91_MATRIX_PRAS4 (AT91_MATRIX + 0xA0) /* Priority Register A for Slave 4 */ ++#define AT91_MATRIX_PRBS4 (AT91_MATRIX + 0xA4) /* Priority Register B for Slave 4 */ ++#define AT91_MATRIX_PRAS5 (AT91_MATRIX + 0xA8) /* Priority Register A for Slave 5 */ ++#define AT91_MATRIX_PRBS5 (AT91_MATRIX + 0xAC) /* Priority Register B for Slave 5 */ ++#define AT91_MATRIX_PRAS6 (AT91_MATRIX + 0xB0) /* Priority Register A for Slave 6 */ ++#define AT91_MATRIX_PRBS6 (AT91_MATRIX + 0xB4) /* Priority Register B for Slave 6 */ ++#define AT91_MATRIX_PRAS7 (AT91_MATRIX + 0xB8) /* Priority Register A for Slave 7 */ ++#define AT91_MATRIX_PRBS7 (AT91_MATRIX + 0xBC) /* Priority Register B for Slave 7 */ ++#define AT91_MATRIX_M0PR (3 << 0) /* Master 0 Priority */ ++#define AT91_MATRIX_M1PR (3 << 4) /* Master 1 Priority */ ++#define AT91_MATRIX_M2PR (3 << 8) /* Master 2 Priority */ ++#define AT91_MATRIX_M3PR (3 << 12) /* Master 3 Priority */ ++#define AT91_MATRIX_M4PR (3 << 16) /* Master 4 Priority */ ++#define AT91_MATRIX_M5PR (3 << 20) /* Master 5 Priority */ ++#define AT91_MATRIX_M6PR (3 << 24) /* Master 6 Priority */ ++#define AT91_MATRIX_M7PR (3 << 28) /* Master 7 Priority */ ++#define AT91_MATRIX_M8PR (3 << 0) /* Master 8 Priority (in Register B) */ ++ ++#define AT91_MATRIX_MRCR (AT91_MATRIX + 0x100) /* Master Remap Control Register */ ++#define AT91_MATRIX_RCB0 (1 << 0) /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */ ++#define AT91_MATRIX_RCB1 (1 << 1) /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */ ++#define AT91_MATRIX_RCB2 (1 << 2) ++#define AT91_MATRIX_RCB3 (1 << 3) ++#define AT91_MATRIX_RCB4 (1 << 4) ++#define AT91_MATRIX_RCB5 (1 << 5) ++#define AT91_MATRIX_RCB6 (1 << 6) ++#define AT91_MATRIX_RCB7 (1 << 7) ++#define AT91_MATRIX_RCB8 (1 << 8) ++ ++#define AT91_MATRIX_TCMR (AT91_MATRIX + 0x114) /* TCM Configuration Register */ ++#define AT91_MATRIX_ITCM_SIZE (0xf << 0) /* Size of ITCM enabled memory block */ ++#define AT91_MATRIX_ITCM_0 (0 << 0) ++#define AT91_MATRIX_ITCM_16 (5 << 0) ++#define AT91_MATRIX_ITCM_32 (6 << 0) ++#define AT91_MATRIX_DTCM_SIZE (0xf << 4) /* Size of DTCM enabled memory block */ ++#define AT91_MATRIX_DTCM_0 (0 << 4) ++#define AT91_MATRIX_DTCM_16 (5 << 4) ++#define AT91_MATRIX_DTCM_32 (6 << 4) ++ ++#define AT91_MATRIX_EBI0CSA (AT91_MATRIX + 0x120) /* EBI0 Chip Select Assignment Register */ ++#define AT91_MATRIX_EBI0_CS1A (1 << 1) /* Chip Select 1 Assignment */ ++#define AT91_MATRIX_EBI0_CS1A_SMC (0 << 1) ++#define AT91_MATRIX_EBI0_CS1A_SDRAMC (1 << 1) ++#define AT91_MATRIX_EBI0_CS3A (1 << 3) /* Chip Select 3 Assignment */ ++#define AT91_MATRIX_EBI0_CS3A_SMC (0 << 3) ++#define AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA (1 << 3) ++#define AT91_MATRIX_EBI0_CS4A (1 << 4) /* Chip Select 4 Assignment */ ++#define AT91_MATRIX_EBI0_CS4A_SMC (0 << 4) ++#define AT91_MATRIX_EBI0_CS4A_SMC_CF1 (1 << 4) ++#define AT91_MATRIX_EBI0_CS5A (1 << 5) /* Chip Select 5 Assignment */ ++#define AT91_MATRIX_EBI0_CS5A_SMC (0 << 5) ++#define AT91_MATRIX_EBI0_CS5A_SMC_CF2 (1 << 5) ++#define AT91_MATRIX_EBI0_DBPUC (1 << 8) /* Data Bus Pull-up Configuration */ ++#define AT91_MATRIX_EBI0_VDDIOMSEL (1 << 16) /* Memory voltage selection */ ++#define AT91_MATRIX_EBI0_VDDIOMSEL_1_8V (0 << 16) ++#define AT91_MATRIX_EBI0_VDDIOMSEL_3_3V (1 << 16) ++ ++#define AT91_MATRIX_EBI1CSA (AT91_MATRIX + 0x124) /* EBI1 Chip Select Assignment Register */ ++#define AT91_MATRIX_EBI1_CS1A (1 << 1) /* Chip Select 1 Assignment */ ++#define AT91_MATRIX_EBI1_CS1A_SMC (0 << 1) ++#define AT91_MATRIX_EBI1_CS1A_SDRAMC (1 << 1) ++#define AT91_MATRIX_EBI1_CS2A (1 << 3) /* Chip Select 3 Assignment */ ++#define AT91_MATRIX_EBI1_CS2A_SMC (0 << 3) ++#define AT91_MATRIX_EBI1_CS2A_SMC_SMARTMEDIA (1 << 3) ++#define AT91_MATRIX_EBI1_DBPUC (1 << 8) /* Data Bus Pull-up Configuration */ ++#define AT91_MATRIX_EBI1_VDDIOMSEL (1 << 16) /* Memory voltage selection */ ++#define AT91_MATRIX_EBI1_VDDIOMSEL_1_8V (0 << 16) ++#define AT91_MATRIX_EBI1_VDDIOMSEL_3_3V (1 << 16) ++ ++#endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam926x_mc.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam926x_mc.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/at91sam926x_mc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/at91sam926x_mc.h 2007-03-24 16:39:16.000000000 +0100 +@@ -131,4 +131,11 @@ + #define AT91_SMC_PS_16 (2 << 28) + #define AT91_SMC_PS_32 (3 << 28) + ++#if defined(AT91_SMC1) /* The AT91SAM9263 has 2 Static Memory contollers */ ++#define AT91_SMC1_SETUP(n) (AT91_SMC1 + 0x00 + ((n)*0x10)) /* Setup Register for CS n */ ++#define AT91_SMC1_PULSE(n) (AT91_SMC1 + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */ ++#define AT91_SMC1_CYCLE(n) (AT91_SMC1 + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */ ++#define AT91_SMC1_MODE(n) (AT91_SMC1 + 0x0c + ((n)*0x10)) /* Mode Register for CS n */ ++#endif ++ + #endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/board.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/board.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/board.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/board.h 2007-03-24 16:39:16.000000000 +0100 +@@ -34,6 +34,7 @@ + #include <linux/mtd/partitions.h> + #include <linux/device.h> + #include <linux/spi/spi.h> ++#include <video/atmel_lcdc.h> + + /* USB Device */ + struct at91_udc_data { +@@ -60,18 +61,23 @@ + u8 wp_pin; /* (SD) writeprotect detect */ + u8 vcc_pin; /* power switching (high == on) */ + }; +-extern void __init at91_add_device_mmc(struct at91_mmc_data *data); ++extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data); + +- /* Ethernet */ ++/* Ethernet (EMAC & MACB) */ + struct at91_eth_data { + u8 phy_irq_pin; /* PHY IRQ */ + u8 is_rmii; /* using RMII interface? */ + }; + extern void __init at91_add_device_eth(struct at91_eth_data *data); + ++#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) ++#define eth_platform_data at91_eth_data ++#endif ++ + /* USB Host */ + struct at91_usbh_data { + u8 ports; /* number of ports on root hub */ ++ u8 vbus_pin[]; /* port power switch */ + }; + extern void __init at91_add_device_usbh(struct at91_usbh_data *data); + +@@ -93,6 +99,9 @@ + /* SPI */ + extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices); + ++ /* LCD Controler */ ++extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data); ++ + /* Serial */ + struct at91_uart_config { + unsigned short console_tty; /* tty number of serial console */ +@@ -114,4 +123,13 @@ + extern u8 at91_leds_timer; + extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); + ++struct at91_gpio_led { ++ u8 index; /* index of LED */ ++ char* name; /* name of LED */ ++ u8 gpio; /* AT91_PIN_xx */ ++ u8 flags; /* 1=active-high */ ++ char* trigger; /* default trigger */ ++}; ++extern void __init at91_gpio_leds(struct at91_gpio_led *leds, int nr); ++ + #endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/cpu.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/cpu.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/cpu.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/cpu.h 2007-03-24 16:39:16.000000000 +0100 +@@ -20,7 +20,11 @@ + #define ARCH_ID_AT91RM9200 0x09290780 + #define ARCH_ID_AT91SAM9260 0x019803a0 + #define ARCH_ID_AT91SAM9261 0x019703a0 ++#define ARCH_ID_AT91SAM9263 0x019607a0 + ++#define ARCH_ID_AT91SAM9XE128 0x329973a0 ++#define ARCH_ID_AT91SAM9XE256 0x329a93a0 ++#define ARCH_ID_AT91SAM9XE512 0x329aa3a0 + + static inline unsigned long at91_cpu_identify(void) + { +@@ -28,6 +32,16 @@ + } + + ++#define ARCH_FAMILY_AT91X92 0x09200000 ++#define ARCH_FAMILY_AT91SAM9 0x01900000 ++#define ARCH_FAMILY_AT91SAM9XE 0x02900000 ++ ++static inline unsigned long at91_arch_identify(void) ++{ ++ return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH); ++} ++ ++ + #ifdef CONFIG_ARCH_AT91RM9200 + #define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200) + #else +@@ -35,8 +49,10 @@ + #endif + + #ifdef CONFIG_ARCH_AT91SAM9260 +-#define cpu_is_at91sam9260() (at91_cpu_identify() == ARCH_ID_AT91SAM9260) ++#define cpu_is_at91sam9xe() (at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE) ++#define cpu_is_at91sam9260() ((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe()) + #else ++#define cpu_is_at91sam9xe() (0) + #define cpu_is_at91sam9260() (0) + #endif + +@@ -46,4 +62,10 @@ + #define cpu_is_at91sam9261() (0) + #endif + ++#ifdef CONFIG_ARCH_AT91SAM9263 ++#define cpu_is_at91sam9263() (at91_cpu_identify() == ARCH_ID_AT91SAM9263) ++#else ++#define cpu_is_at91sam9263() (0) ++#endif ++ + #endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/debug-macro.S linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/debug-macro.S +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/debug-macro.S 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/debug-macro.S 2007-03-24 16:39:16.000000000 +0100 +@@ -16,24 +16,24 @@ + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 +- tst \rx, #1 @ MMU enabled? +- ldreq \rx, =AT91_BASE_SYS @ System peripherals (phys address) +- ldrne \rx, =AT91_VA_BASE_SYS @ System peripherals (virt address) ++ tst \rx, #1 @ MMU enabled? ++ ldreq \rx, =(AT91_BASE_SYS + AT91_DBGU) @ System peripherals (phys address) ++ ldrne \rx, =(AT91_VA_BASE_SYS + AT91_DBGU) @ System peripherals (virt address) + .endm + + .macro senduart,rd,rx +- strb \rd, [\rx, #AT91_DBGU_THR] @ Write to Transmitter Holding Register ++ strb \rd, [\rx, #(AT91_DBGU_THR - AT91_DBGU)] @ Write to Transmitter Holding Register + .endm + + .macro waituart,rd,rx +-1001: ldr \rd, [\rx, #AT91_DBGU_SR] @ Read Status Register +- tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit ++1001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register ++ tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit + beq 1001b + .endm + + .macro busyuart,rd,rx +-1001: ldr \rd, [\rx, #AT91_DBGU_SR] @ Read Status Register +- tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete ++1001: ldr \rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)] @ Read Status Register ++ tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete + beq 1001b + .endm + +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/entry-macro.S linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/entry-macro.S +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/entry-macro.S 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/entry-macro.S 2007-03-24 16:39:16.000000000 +0100 +@@ -17,10 +17,10 @@ + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp +- ldr \base, =(AT91_VA_BASE_SYS) @ base virtual address of SYS peripherals +- ldr \irqnr, [\base, #AT91_AIC_IVR] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) +- ldr \irqstat, [\base, #AT91_AIC_ISR] @ read interrupt source number +- teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt +- streq \tmp, [\base, #AT91_AIC_EOICR] @ not going to be handled further, then ACK it now. ++ ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral ++ ldr \irqnr, [\base, #(AT91_AIC_IVR - AT91_AIC)] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) ++ ldr \irqstat, [\base, #(AT91_AIC_ISR - AT91_AIC)] @ read interrupt source number ++ teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt ++ streq \tmp, [\base, #(AT91_AIC_EOICR - AT91_AIC)] @ not going to be handled further, then ACK it now. + .endm + +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/gpio.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/gpio.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/gpio.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/gpio.h 2007-03-24 16:39:16.000000000 +0100 +@@ -17,7 +17,7 @@ + + #define PIN_BASE NR_AIC_IRQS + +-#define MAX_GPIO_BANKS 4 ++#define MAX_GPIO_BANKS 5 + + /* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */ + +@@ -26,37 +26,31 @@ + #define AT91_PIN_PA2 (PIN_BASE + 0x00 + 2) + #define AT91_PIN_PA3 (PIN_BASE + 0x00 + 3) + #define AT91_PIN_PA4 (PIN_BASE + 0x00 + 4) +- + #define AT91_PIN_PA5 (PIN_BASE + 0x00 + 5) + #define AT91_PIN_PA6 (PIN_BASE + 0x00 + 6) + #define AT91_PIN_PA7 (PIN_BASE + 0x00 + 7) + #define AT91_PIN_PA8 (PIN_BASE + 0x00 + 8) + #define AT91_PIN_PA9 (PIN_BASE + 0x00 + 9) +- + #define AT91_PIN_PA10 (PIN_BASE + 0x00 + 10) + #define AT91_PIN_PA11 (PIN_BASE + 0x00 + 11) + #define AT91_PIN_PA12 (PIN_BASE + 0x00 + 12) + #define AT91_PIN_PA13 (PIN_BASE + 0x00 + 13) + #define AT91_PIN_PA14 (PIN_BASE + 0x00 + 14) +- + #define AT91_PIN_PA15 (PIN_BASE + 0x00 + 15) + #define AT91_PIN_PA16 (PIN_BASE + 0x00 + 16) + #define AT91_PIN_PA17 (PIN_BASE + 0x00 + 17) + #define AT91_PIN_PA18 (PIN_BASE + 0x00 + 18) + #define AT91_PIN_PA19 (PIN_BASE + 0x00 + 19) +- + #define AT91_PIN_PA20 (PIN_BASE + 0x00 + 20) + #define AT91_PIN_PA21 (PIN_BASE + 0x00 + 21) + #define AT91_PIN_PA22 (PIN_BASE + 0x00 + 22) + #define AT91_PIN_PA23 (PIN_BASE + 0x00 + 23) + #define AT91_PIN_PA24 (PIN_BASE + 0x00 + 24) +- + #define AT91_PIN_PA25 (PIN_BASE + 0x00 + 25) + #define AT91_PIN_PA26 (PIN_BASE + 0x00 + 26) + #define AT91_PIN_PA27 (PIN_BASE + 0x00 + 27) + #define AT91_PIN_PA28 (PIN_BASE + 0x00 + 28) + #define AT91_PIN_PA29 (PIN_BASE + 0x00 + 29) +- + #define AT91_PIN_PA30 (PIN_BASE + 0x00 + 30) + #define AT91_PIN_PA31 (PIN_BASE + 0x00 + 31) + +@@ -65,37 +59,31 @@ + #define AT91_PIN_PB2 (PIN_BASE + 0x20 + 2) + #define AT91_PIN_PB3 (PIN_BASE + 0x20 + 3) + #define AT91_PIN_PB4 (PIN_BASE + 0x20 + 4) +- + #define AT91_PIN_PB5 (PIN_BASE + 0x20 + 5) + #define AT91_PIN_PB6 (PIN_BASE + 0x20 + 6) + #define AT91_PIN_PB7 (PIN_BASE + 0x20 + 7) + #define AT91_PIN_PB8 (PIN_BASE + 0x20 + 8) + #define AT91_PIN_PB9 (PIN_BASE + 0x20 + 9) +- + #define AT91_PIN_PB10 (PIN_BASE + 0x20 + 10) + #define AT91_PIN_PB11 (PIN_BASE + 0x20 + 11) + #define AT91_PIN_PB12 (PIN_BASE + 0x20 + 12) + #define AT91_PIN_PB13 (PIN_BASE + 0x20 + 13) + #define AT91_PIN_PB14 (PIN_BASE + 0x20 + 14) +- + #define AT91_PIN_PB15 (PIN_BASE + 0x20 + 15) + #define AT91_PIN_PB16 (PIN_BASE + 0x20 + 16) + #define AT91_PIN_PB17 (PIN_BASE + 0x20 + 17) + #define AT91_PIN_PB18 (PIN_BASE + 0x20 + 18) + #define AT91_PIN_PB19 (PIN_BASE + 0x20 + 19) +- + #define AT91_PIN_PB20 (PIN_BASE + 0x20 + 20) + #define AT91_PIN_PB21 (PIN_BASE + 0x20 + 21) + #define AT91_PIN_PB22 (PIN_BASE + 0x20 + 22) + #define AT91_PIN_PB23 (PIN_BASE + 0x20 + 23) + #define AT91_PIN_PB24 (PIN_BASE + 0x20 + 24) +- + #define AT91_PIN_PB25 (PIN_BASE + 0x20 + 25) + #define AT91_PIN_PB26 (PIN_BASE + 0x20 + 26) + #define AT91_PIN_PB27 (PIN_BASE + 0x20 + 27) + #define AT91_PIN_PB28 (PIN_BASE + 0x20 + 28) + #define AT91_PIN_PB29 (PIN_BASE + 0x20 + 29) +- + #define AT91_PIN_PB30 (PIN_BASE + 0x20 + 30) + #define AT91_PIN_PB31 (PIN_BASE + 0x20 + 31) + +@@ -104,37 +92,31 @@ + #define AT91_PIN_PC2 (PIN_BASE + 0x40 + 2) + #define AT91_PIN_PC3 (PIN_BASE + 0x40 + 3) + #define AT91_PIN_PC4 (PIN_BASE + 0x40 + 4) +- + #define AT91_PIN_PC5 (PIN_BASE + 0x40 + 5) + #define AT91_PIN_PC6 (PIN_BASE + 0x40 + 6) + #define AT91_PIN_PC7 (PIN_BASE + 0x40 + 7) + #define AT91_PIN_PC8 (PIN_BASE + 0x40 + 8) + #define AT91_PIN_PC9 (PIN_BASE + 0x40 + 9) +- + #define AT91_PIN_PC10 (PIN_BASE + 0x40 + 10) + #define AT91_PIN_PC11 (PIN_BASE + 0x40 + 11) + #define AT91_PIN_PC12 (PIN_BASE + 0x40 + 12) + #define AT91_PIN_PC13 (PIN_BASE + 0x40 + 13) + #define AT91_PIN_PC14 (PIN_BASE + 0x40 + 14) +- + #define AT91_PIN_PC15 (PIN_BASE + 0x40 + 15) + #define AT91_PIN_PC16 (PIN_BASE + 0x40 + 16) + #define AT91_PIN_PC17 (PIN_BASE + 0x40 + 17) + #define AT91_PIN_PC18 (PIN_BASE + 0x40 + 18) + #define AT91_PIN_PC19 (PIN_BASE + 0x40 + 19) +- + #define AT91_PIN_PC20 (PIN_BASE + 0x40 + 20) + #define AT91_PIN_PC21 (PIN_BASE + 0x40 + 21) + #define AT91_PIN_PC22 (PIN_BASE + 0x40 + 22) + #define AT91_PIN_PC23 (PIN_BASE + 0x40 + 23) + #define AT91_PIN_PC24 (PIN_BASE + 0x40 + 24) +- + #define AT91_PIN_PC25 (PIN_BASE + 0x40 + 25) + #define AT91_PIN_PC26 (PIN_BASE + 0x40 + 26) + #define AT91_PIN_PC27 (PIN_BASE + 0x40 + 27) + #define AT91_PIN_PC28 (PIN_BASE + 0x40 + 28) + #define AT91_PIN_PC29 (PIN_BASE + 0x40 + 29) +- + #define AT91_PIN_PC30 (PIN_BASE + 0x40 + 30) + #define AT91_PIN_PC31 (PIN_BASE + 0x40 + 31) + +@@ -143,40 +125,67 @@ + #define AT91_PIN_PD2 (PIN_BASE + 0x60 + 2) + #define AT91_PIN_PD3 (PIN_BASE + 0x60 + 3) + #define AT91_PIN_PD4 (PIN_BASE + 0x60 + 4) +- + #define AT91_PIN_PD5 (PIN_BASE + 0x60 + 5) + #define AT91_PIN_PD6 (PIN_BASE + 0x60 + 6) + #define AT91_PIN_PD7 (PIN_BASE + 0x60 + 7) + #define AT91_PIN_PD8 (PIN_BASE + 0x60 + 8) + #define AT91_PIN_PD9 (PIN_BASE + 0x60 + 9) +- + #define AT91_PIN_PD10 (PIN_BASE + 0x60 + 10) + #define AT91_PIN_PD11 (PIN_BASE + 0x60 + 11) + #define AT91_PIN_PD12 (PIN_BASE + 0x60 + 12) + #define AT91_PIN_PD13 (PIN_BASE + 0x60 + 13) + #define AT91_PIN_PD14 (PIN_BASE + 0x60 + 14) +- + #define AT91_PIN_PD15 (PIN_BASE + 0x60 + 15) + #define AT91_PIN_PD16 (PIN_BASE + 0x60 + 16) + #define AT91_PIN_PD17 (PIN_BASE + 0x60 + 17) + #define AT91_PIN_PD18 (PIN_BASE + 0x60 + 18) + #define AT91_PIN_PD19 (PIN_BASE + 0x60 + 19) +- + #define AT91_PIN_PD20 (PIN_BASE + 0x60 + 20) + #define AT91_PIN_PD21 (PIN_BASE + 0x60 + 21) + #define AT91_PIN_PD22 (PIN_BASE + 0x60 + 22) + #define AT91_PIN_PD23 (PIN_BASE + 0x60 + 23) + #define AT91_PIN_PD24 (PIN_BASE + 0x60 + 24) +- + #define AT91_PIN_PD25 (PIN_BASE + 0x60 + 25) + #define AT91_PIN_PD26 (PIN_BASE + 0x60 + 26) + #define AT91_PIN_PD27 (PIN_BASE + 0x60 + 27) + #define AT91_PIN_PD28 (PIN_BASE + 0x60 + 28) + #define AT91_PIN_PD29 (PIN_BASE + 0x60 + 29) +- + #define AT91_PIN_PD30 (PIN_BASE + 0x60 + 30) + #define AT91_PIN_PD31 (PIN_BASE + 0x60 + 31) + ++#define AT91_PIN_PE0 (PIN_BASE + 0x80 + 0) ++#define AT91_PIN_PE1 (PIN_BASE + 0x80 + 1) ++#define AT91_PIN_PE2 (PIN_BASE + 0x80 + 2) ++#define AT91_PIN_PE3 (PIN_BASE + 0x80 + 3) ++#define AT91_PIN_PE4 (PIN_BASE + 0x80 + 4) ++#define AT91_PIN_PE5 (PIN_BASE + 0x80 + 5) ++#define AT91_PIN_PE6 (PIN_BASE + 0x80 + 6) ++#define AT91_PIN_PE7 (PIN_BASE + 0x80 + 7) ++#define AT91_PIN_PE8 (PIN_BASE + 0x80 + 8) ++#define AT91_PIN_PE9 (PIN_BASE + 0x80 + 9) ++#define AT91_PIN_PE10 (PIN_BASE + 0x80 + 10) ++#define AT91_PIN_PE11 (PIN_BASE + 0x80 + 11) ++#define AT91_PIN_PE12 (PIN_BASE + 0x80 + 12) ++#define AT91_PIN_PE13 (PIN_BASE + 0x80 + 13) ++#define AT91_PIN_PE14 (PIN_BASE + 0x80 + 14) ++#define AT91_PIN_PE15 (PIN_BASE + 0x80 + 15) ++#define AT91_PIN_PE16 (PIN_BASE + 0x80 + 16) ++#define AT91_PIN_PE17 (PIN_BASE + 0x80 + 17) ++#define AT91_PIN_PE18 (PIN_BASE + 0x80 + 18) ++#define AT91_PIN_PE19 (PIN_BASE + 0x80 + 19) ++#define AT91_PIN_PE20 (PIN_BASE + 0x80 + 20) ++#define AT91_PIN_PE21 (PIN_BASE + 0x80 + 21) ++#define AT91_PIN_PE22 (PIN_BASE + 0x80 + 22) ++#define AT91_PIN_PE23 (PIN_BASE + 0x80 + 23) ++#define AT91_PIN_PE24 (PIN_BASE + 0x80 + 24) ++#define AT91_PIN_PE25 (PIN_BASE + 0x80 + 25) ++#define AT91_PIN_PE26 (PIN_BASE + 0x80 + 26) ++#define AT91_PIN_PE27 (PIN_BASE + 0x80 + 27) ++#define AT91_PIN_PE28 (PIN_BASE + 0x80 + 28) ++#define AT91_PIN_PE29 (PIN_BASE + 0x80 + 29) ++#define AT91_PIN_PE30 (PIN_BASE + 0x80 + 30) ++#define AT91_PIN_PE31 (PIN_BASE + 0x80 + 31) ++ + #ifndef __ASSEMBLY__ + /* setup setup routines, called from board init or driver probe() */ + extern int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup); +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/hardware.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/hardware.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/hardware.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/hardware.h 2007-03-24 16:39:16.000000000 +0100 +@@ -22,21 +22,23 @@ + #include <asm/arch/at91sam9260.h> + #elif defined(CONFIG_ARCH_AT91SAM9261) + #include <asm/arch/at91sam9261.h> ++#elif defined(CONFIG_ARCH_AT91SAM9263) ++#include <asm/arch/at91sam9263.h> + #else + #error "Unsupported AT91 processor" + #endif + + + /* +- * Remap the peripherals from address 0xFFFA0000 .. 0xFFFFFFFF +- * to 0xFEFA0000 .. 0xFF000000. (384Kb) ++ * Remap the peripherals from address 0xFFF78000 .. 0xFFFFFFFF ++ * to 0xFEF78000 .. 0xFF000000. (544Kb) + */ +-#define AT91_IO_PHYS_BASE 0xFFFA0000 ++#define AT91_IO_PHYS_BASE 0xFFF78000 + #define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1) + #define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE) + + /* Convert a physical IO address to virtual IO address */ +-#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) ++#define AT91_IO_P2V(x) ((x) - AT91_IO_PHYS_BASE + AT91_IO_VIRT_BASE) + + /* + * Virtual to Physical Address mapping for IO devices. +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/ics1523.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/ics1523.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/ics1523.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/ics1523.h 2007-03-24 16:39:16.000000000 +0100 +@@ -0,0 +1,154 @@ ++//*---------------------------------------------------------------------------- ++//* ATMEL Microcontroller Software Support - ROUSSET - ++//*---------------------------------------------------------------------------- ++//* The software is delivered "AS IS" without warranty or condition of any ++//* kind, either express, implied or statutory. This includes without ++//* limitation any warranty or condition with respect to merchantability or ++//* fitness for any particular purpose, or against the infringements of ++//* intellectual property rights of others. ++//*---------------------------------------------------------------------------- ++//* File Name : ics1523.h ++//* Object : Clock Generator Prototyping File. ++//* ++//* 1.0 08/28/02 ED : Creation ++//* 1.2 13/01/03 FB : Update on lib V3 ++//*---------------------------------------------------------------------------- ++ ++#ifndef ics1523_h ++#define ics1523_h ++ ++/*-------------------------------------------*/ ++/* ICS1523 TWI Serial Clock Definition */ ++/*-------------------------------------------*/ ++ ++#define ICS_MIN_CLOCK 100 /* Min Frequency Access Clock KHz */ ++#define ICS_MAX_CLOCK 400 /* Max Frequency Access Clock KHz */ ++#define ICS_TRANSFER_RATE ICS_MAX_CLOCK /* Transfer speed to apply */ ++ ++#define ICS_WRITE_CLK_PNB 30 /* TWCK Clock Periods required to write */ ++#define ICS_READ_CLK_PNB 40 /* TWCK Clock Periods required to read */ ++ ++/*-------------------------------------------*/ ++/* ICS1523 Write Operation Definition */ ++/*-------------------------------------------*/ ++ ++#define ICS1523_ACCESS_OK 0 /* OK */ ++#define ICS1523_ACCESS_ERROR -1 /* NOK */ ++ ++/*-------------------------------------------*/ ++/* ICS1523 Device Addresses Definition */ ++/*-------------------------------------------*/ ++ ++#define ICS_ADDR 0x26 /* Device Address */ ++ ++/*--------------------------------------------------*/ ++/* ICS1523 Registers Internal Addresses Definition */ ++/*--------------------------------------------------*/ ++ ++#define ICS_ICR 0x0 /* Input Control Register */ ++#define ICS_LCR 0x1 /* Loop Control Register */ ++#define ICS_FD0 0x2 /* PLL FeedBack Divider LSBs */ ++#define ICS_FD1 0x3 /* PLL FeedBack Divider MSBs */ ++#define ICS_DPAO 0x4 /* Dynamic Phase Aligner Offset */ ++#define ICS_DPAC 0x5 /* Dynamic Phase Aligner Resolution */ ++#define ICS_OE 0x6 /* Output Enables Register */ ++#define ICS_OD 0x7 /* Osc Divider Register */ ++#define ICS_SWRST 0x8 /* DPA & PLL Reset Register */ ++#define ICS_VID 0x10 /* Chip Version Register */ ++#define ICS_RID 0x11 /* Chip Revision Register */ ++#define ICS_SR 0x12 /* Status Register */ ++ ++/*------------------------------------------------------*/ ++/* ICS1523 Input Control Register Bits Definition */ ++/*------------------------------------------------------*/ ++ ++#define ICS_PDEN 0x1 /* Phase Detector Enable */ ++#define ICS_PDPOL 0x2 /* Phase Detector Enable Polarity */ ++#define ICS_REFPOL 0x4 /* External Reference Polarity */ ++#define ICS_FBKPOL 0x8 /* External Feedback Polarity */ ++#define ICS_FBKSEL 0x10 /* External Feedback Select */ ++#define ICS_FUNCSEL 0x20 /* Function Out Select */ ++#define ICS_ENPLS 0x40 /* Enable PLL Lock/Ref Status Output */ ++#define ICS_ENDLS 0x80 /* Enable DPA Lock/Ref Status Output */ ++ ++/*-----------------------------------------------------*/ ++/* ICS1523 Loop Control Register Bits Definition */ ++/*-----------------------------------------------------*/ ++ ++#define ICS_PFD 0x7 /* Phase Detector Gain */ ++#define ICS_PSD 0x30 /* Post-Scaler Divider */ ++ ++/*----------------------------------------------------*/ ++/* ICS1523 PLL FeedBack Divider LSBs Definition */ ++/*----------------------------------------------------*/ ++ ++#define ICS_FBDL 0xFF /* PLL FeedBack Divider LSBs */ ++ ++/*----------------------------------------------------*/ ++/* ICS1523 PLL FeedBack Divider MSBs Definition */ ++/*----------------------------------------------------*/ ++ ++#define ICS_FBDM 0xF /* PLL FeedBack Divider MSBs */ ++ ++/*------------------------------------------------------------*/ ++/* ICS1523 Dynamic Phase Aligner Offset Bits Definition */ ++/*------------------------------------------------------------*/ ++ ++#define ICS_DPAOS 0x2F /* Dynamic Phase Aligner Offset */ ++#define ICS_FILSEL 0x80 /* Loop Filter Select */ ++ ++/*----------------------------------------------------------------*/ ++/* ICS1523 Dynamic Phase Aligner Resolution Bits Definition */ ++/*----------------------------------------------------------------*/ ++ ++#define ICS_DPARES 0x3 /* Dynamic Phase Aligner Resolution */ ++#define ICS_MMREV 0xFC /* Metal Mask Revision Number */ ++ ++/*-------------------------------------------------------*/ ++/* ICS1523 Output Enables Register Bits Definition */ ++/*-------------------------------------------------------*/ ++ ++#define ICS_OEPCK 0x1 /* Output Enable for PECL PCLK Outputs */ ++#define ICS_OETCK 0x2 /* Output Enable for STTL CLK Output */ ++#define ICS_OEP2 0x4 /* Output Enable for PECL CLK/2 Outputs */ ++#define ICS_OET2 0x8 /* Output Enable for STTL CLK/2 Output */ ++#define ICS_OEF 0x10 /* Output Enable for STTL FUNC Output */ ++#define ICS_CLK2INV 0x20 /* CLK/2 Invert */ ++#define ICS_OSCL 0xC0 /* SSTL Clock Scaler */ ++ ++/*----------------------------------------------------*/ ++/* ICS1523 Osc Divider Register Bits Definition */ ++/*----------------------------------------------------*/ ++ ++#define ICS_OSCDIV 0x7F /* Oscillator Divider Modulus */ ++#define ICS_INSEL 0x80 /* Input Select */ ++ ++/*---------------------------------------------------*/ ++/* ICS1523 DPA & PLL Reset Register Definition */ ++/*---------------------------------------------------*/ ++ ++#define ICS_DPAR 0x0A /* DPA Reset Command */ ++#define ICS_PLLR 0x50 /* PLL Reset Command */ ++ ++/*------------------------------------------------*/ ++/* ICS1523 Chip Version Register Definition */ ++/*------------------------------------------------*/ ++ ++#define ICS_CHIPV 0xFF /* Chip Version */ ++ ++/*-------------------------------------------------*/ ++/* ICS1523 Chip Revision Register Definition */ ++/*-------------------------------------------------*/ ++ ++#define ICS_CHIPR 0xFF /* Chip Revision */ ++ ++/*------------------------------------------*/ ++/* ICS1523 Status Register Definition */ ++/*------------------------------------------*/ ++ ++#define ICS_DPALOCK 0x1 /* DPA Lock Status */ ++#define ICS_PLLLOCK 0x2 /* PLL Lock Status */ ++ ++int at91_ics1523_init(void); ++ ++#endif /* ics1523_h */ +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/irqs.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/irqs.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/irqs.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/irqs.h 2007-03-24 16:39:16.000000000 +0100 +@@ -37,8 +37,8 @@ + * IRQ interrupt symbols are the AT91xxx_ID_* symbols + * for IRQs handled directly through the AIC, or else the AT91_PIN_* + * symbols in gpio.h for ones handled indirectly as GPIOs. +- * We make provision for 4 banks of GPIO. ++ * We make provision for 5 banks of GPIO. + */ +-#define NR_IRQS (NR_AIC_IRQS + (4 * 32)) ++#define NR_IRQS (NR_AIC_IRQS + (5 * 32)) + + #endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/spi.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/spi.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/spi.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/spi.h 2007-03-24 16:39:16.000000000 +0100 +@@ -0,0 +1,54 @@ ++/* ++ * Serial Peripheral Interface (SPI) driver for the Atmel AT91RM9200 ++ * ++ * (c) SAN People (Pty) Ltd ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License ++ * as published by the Free Software Foundation; either version ++ * 2 of the License, or (at your option) any later version. ++ */ ++ ++#ifndef AT91_LEGACY_SPI_H ++#define AT91_LEGACY_SPI_H ++ ++#define SPI_MAJOR 153 /* registered device number */ ++ ++#define DEFAULT_SPI_CLK 6000000 ++ ++ ++/* Maximum number of buffers in a single SPI transfer. ++ * DataFlash uses maximum of 2 ++ * spidev interface supports up to 8. ++ */ ++#define MAX_SPI_TRANSFERS 8 ++#define NR_SPI_DEVICES 4 /* number of devices on SPI bus */ ++ ++/* ++ * Describes the buffers for a SPI transfer. ++ * A transmit & receive buffer must be specified for each transfer ++ */ ++struct spi_transfer_list { ++ void* tx[MAX_SPI_TRANSFERS]; /* transmit */ ++ int txlen[MAX_SPI_TRANSFERS]; ++ void* rx[MAX_SPI_TRANSFERS]; /* receive */ ++ int rxlen[MAX_SPI_TRANSFERS]; ++ int nr_transfers; /* number of transfers */ ++ int curr; /* current transfer */ ++}; ++ ++struct spi_local { ++ unsigned int pcs; /* Peripheral Chip Select value */ ++ ++ struct spi_transfer_list *xfers; /* current transfer list */ ++ dma_addr_t tx, rx; /* DMA address for current transfer */ ++ dma_addr_t txnext, rxnext; /* DMA address for next transfer */ ++}; ++ ++ ++/* Exported functions */ ++extern void spi_access_bus(short device); ++extern void spi_release_bus(short device); ++extern int spi_transfer(struct spi_transfer_list* list); ++ ++#endif +diff -urN linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/timex.h linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/timex.h +--- linux-2.6.20.4-0rig/include/asm-arm/arch-at91rm9200/timex.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-arm/arch-at91rm9200/timex.h 2007-03-24 16:39:16.000000000 +0100 +@@ -32,6 +32,11 @@ + #define AT91SAM9_MASTER_CLOCK 99300000 + #define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16) + ++#elif defined(CONFIG_ARCH_AT91SAM9263) ++ ++#define AT91SAM9_MASTER_CLOCK 99959500 ++#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16) ++ + #endif + + #endif +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/at32ap7000.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/at32ap7000.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/at32ap7000.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/at32ap7000.h 2007-03-24 16:42:28.000000000 +0100 +@@ -24,10 +24,12 @@ + #define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32) + #define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32) + #define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32) ++#define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32) + + #define GPIO_PIN_PA(N) (GPIO_PIOA_BASE + (N)) + #define GPIO_PIN_PB(N) (GPIO_PIOB_BASE + (N)) + #define GPIO_PIN_PC(N) (GPIO_PIOC_BASE + (N)) + #define GPIO_PIN_PD(N) (GPIO_PIOD_BASE + (N)) ++#define GPIO_PIN_PE(N) (GPIO_PIOE_BASE + (N)) + + #endif /* __ASM_ARCH_AT32AP7000_H__ */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/at91_pdc.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/at91_pdc.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/at91_pdc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/at91_pdc.h 1970-01-01 01:00:00.000000000 +0100 +@@ -1,36 +0,0 @@ +-/* +- * include/asm-arm/arch-at91rm9200/at91_pdc.h +- * +- * Copyright (C) 2005 Ivan Kokshaysky +- * Copyright (C) SAN People +- * +- * Peripheral Data Controller (PDC) registers. +- * Based on AT91RM9200 datasheet revision E. +- * +- * This program is free software; you can redistribute it and/or modify +- * it under the terms of the GNU General Public License as published by +- * the Free Software Foundation; either version 2 of the License, or +- * (at your option) any later version. +- */ +- +-#ifndef AT91_PDC_H +-#define AT91_PDC_H +- +-#define AT91_PDC_RPR 0x100 /* Receive Pointer Register */ +-#define AT91_PDC_RCR 0x104 /* Receive Counter Register */ +-#define AT91_PDC_TPR 0x108 /* Transmit Pointer Register */ +-#define AT91_PDC_TCR 0x10c /* Transmit Counter Register */ +-#define AT91_PDC_RNPR 0x110 /* Receive Next Pointer Register */ +-#define AT91_PDC_RNCR 0x114 /* Receive Next Counter Register */ +-#define AT91_PDC_TNPR 0x118 /* Transmit Next Pointer Register */ +-#define AT91_PDC_TNCR 0x11c /* Transmit Next Counter Register */ +- +-#define AT91_PDC_PTCR 0x120 /* Transfer Control Register */ +-#define AT91_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */ +-#define AT91_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */ +-#define AT91_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */ +-#define AT91_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */ +- +-#define AT91_PDC_PTSR 0x124 /* Transfer Status Register */ +- +-#endif +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/board.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/board.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/board.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/board.h 2007-03-24 16:42:29.000000000 +0100 +@@ -6,6 +6,8 @@ + + #include <linux/types.h> + ++#define GPIO_PIN_NONE (-1) ++ + /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */ + void at32_add_system_devices(void); + +@@ -26,7 +28,19 @@ + struct platform_device * + at32_add_device_eth(unsigned int id, struct eth_platform_data *data); + +-struct platform_device *at32_add_device_spi(unsigned int id); ++struct spi_board_info; ++struct platform_device * ++at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n); ++ ++struct platform_device *at32_add_device_twi(unsigned int id); ++ ++struct mci_platform_data { ++ int detect_pin; ++ int wp_pin; ++}; ++struct platform_device * ++at32_add_device_mci(unsigned int id, struct mci_platform_data *data); ++struct platform_device *at32_add_device_usba(unsigned int id); + + struct lcdc_platform_data { + unsigned long fbmem_start; +@@ -35,4 +49,8 @@ + struct platform_device * + at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data); + ++struct platform_device *at32_add_device_ac97c(unsigned int id); ++struct platform_device *at32_add_device_abdac(unsigned int id); ++struct platform_device *at32_add_device_isi(unsigned int id); ++ + #endif /* __ASM_ARCH_BOARD_H */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/gpio.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/gpio.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/gpio.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/gpio.h 2007-03-24 16:42:28.000000000 +0100 +@@ -0,0 +1,27 @@ ++#ifndef __ASM_AVR32_ARCH_GPIO_H ++#define __ASM_AVR32_ARCH_GPIO_H ++ ++#include <linux/compiler.h> ++#include <asm/irq.h> ++ ++ ++/* Arch-neutral GPIO API */ ++int __must_check gpio_request(unsigned int gpio, const char *label); ++void gpio_free(unsigned int gpio); ++ ++int gpio_direction_input(unsigned int gpio); ++int gpio_direction_output(unsigned int gpio); ++int gpio_get_value(unsigned int gpio); ++void gpio_set_value(unsigned int gpio, int value); ++ ++static inline int gpio_to_irq(unsigned int gpio) ++{ ++ return gpio + GPIO_IRQ_BASE; ++} ++ ++static inline int irq_to_gpio(unsigned int irq) ++{ ++ return irq - GPIO_IRQ_BASE; ++} ++ ++#endif /* __ASM_AVR32_ARCH_GPIO_H */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/irq.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/irq.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/irq.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/irq.h 2007-03-24 16:42:28.000000000 +0100 +@@ -0,0 +1,14 @@ ++#ifndef __ASM_AVR32_ARCH_IRQ_H ++#define __ASM_AVR32_ARCH_IRQ_H ++ ++#define EIM_IRQ_BASE NR_INTERNAL_IRQS ++#define NR_EIM_IRQS 32 ++ ++#define AT32_EXTINT(n) (EIM_IRQ_BASE + (n)) ++ ++#define GPIO_IRQ_BASE (EIM_IRQ_BASE + NR_EIM_IRQS) ++#define NR_GPIO_IRQS (5 * 32) ++ ++#define NR_IRQS (GPIO_IRQ_BASE + NR_GPIO_IRQS) ++ ++#endif /* __ASM_AVR32_ARCH_IRQ_H */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/portmux.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/portmux.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/portmux.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/portmux.h 2007-03-24 16:42:28.000000000 +0100 +@@ -15,12 +15,14 @@ + * + * The following flags determine the initial state of the pin. + */ +-#define AT32_GPIOF_PULLUP 0x00000001 /* Enable pull-up */ +-#define AT32_GPIOF_OUTPUT 0x00000002 /* Enable output driver */ +-#define AT32_GPIOF_HIGH 0x00000004 /* Set output high */ ++#define AT32_GPIOF_PULLUP 0x00000001 /* (not-OUT) Enable pull-up */ ++#define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */ ++#define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */ ++#define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */ + + void at32_select_periph(unsigned int pin, unsigned int periph, + unsigned long flags); + void at32_select_gpio(unsigned int pin, unsigned long flags); ++void at32_reserve_pin(unsigned int pin); + + #endif /* __ASM_ARCH_PORTMUX_H__ */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/smc.h linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/smc.h +--- linux-2.6.20.4-0rig/include/asm-avr32/arch-at32ap/smc.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/arch-at32ap/smc.h 2007-03-24 16:42:29.000000000 +0100 +@@ -48,10 +48,32 @@ + unsigned int nwe_controlled:1; + + /* ++ * 0: NWAIT is disabled ++ * 1: Reserved ++ * 2: NWAIT is frozen mode ++ * 3: NWAIT in ready mode ++ */ ++ unsigned int nwait_mode:2; ++ ++ /* + * 0: Byte select access type + * 1: Byte write access type + */ + unsigned int byte_write:1; ++ ++ /* ++ * Number of clock cycles before data is released after ++ * the rising edge of the read controlling signal ++ * ++ * Total cycles from SMC is tdf_cycles + 1 ++ */ ++ unsigned int tdf_cycles:4; ++ ++ /* ++ * 0: TDF optimization disabled ++ * 1: TDF optimization enabled ++ */ ++ unsigned int tdf_mode:1; + }; + + extern int smc_set_configuration(int cs, const struct smc_config *config); +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/checksum.h linux-2.6.20.4-atmel/include/asm-avr32/checksum.h +--- linux-2.6.20.4-0rig/include/asm-avr32/checksum.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/checksum.h 2007-03-24 16:42:28.000000000 +0100 +@@ -38,7 +38,7 @@ + * passed in an incorrect kernel address to one of these functions. + * + * If you use these functions directly please don't forget the +- * verify_area(). ++ * access_ok(). + */ + static inline + __wsum csum_partial_copy_nocheck(const void *src, void *dst, +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/dma-controller.h linux-2.6.20.4-atmel/include/asm-avr32/dma-controller.h +--- linux-2.6.20.4-0rig/include/asm-avr32/dma-controller.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/dma-controller.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,166 @@ ++/* ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __ASM_AVR32_DMA_CONTROLLER_H ++#define __ASM_AVR32_DMA_CONTROLLER_H ++ ++#include <linux/device.h> ++ ++#define DMA_DIR_MEM_TO_MEM 0x0000 ++#define DMA_DIR_MEM_TO_PERIPH 0x0001 ++#define DMA_DIR_PERIPH_TO_MEM 0x0002 ++#define DMA_DIR_PERIPH_TO_PERIPH 0x0003 ++ ++#define DMA_WIDTH_8BIT 0 ++#define DMA_WIDTH_16BIT 1 ++#define DMA_WIDTH_32BIT 2 ++ ++struct dma_request { ++ struct dma_controller *dmac; ++ struct list_head list; ++ ++ unsigned short channel; ++ ++ void (*xfer_complete)(struct dma_request *req); ++ void (*block_complete)(struct dma_request *req); ++ void (*error)(struct dma_request *req); ++}; ++ ++struct dma_request_sg { ++ struct dma_request req; ++ ++ int nr_sg; ++ struct scatterlist *sg; ++ unsigned long block_size; ++ unsigned int nr_blocks; ++ ++ dma_addr_t data_reg; ++ unsigned short periph_id; ++ ++ unsigned char direction; ++ unsigned char width; ++}; ++#define to_dma_request_sg(_req) \ ++ container_of(_req, struct dma_request_sg, req) ++ ++struct dma_request_cyclic { ++ struct dma_request req; ++ ++ int periods; ++ unsigned long buffer_size; ++ ++ dma_addr_t buffer_start; ++ dma_addr_t data_reg; ++ ++ unsigned short periph_id; ++ unsigned char direction; ++ unsigned char width; ++ ++ void *dev_id; ++}; ++#define to_dma_request_cyclic(_req) \ ++ container_of(_req, struct dma_request_cyclic, req) ++ ++struct dma_request_memcpy { ++ struct dma_request req; ++ ++ dma_addr_t src_addr; ++ unsigned int src_width; ++ unsigned int src_stride; ++ ++ dma_addr_t dst_addr; ++ unsigned int dst_width; ++ unsigned int dst_stride; ++ ++ size_t length; ++ ++ unsigned short src_reverse:1; ++ unsigned short dst_reverse:1; ++}; ++#define to_dma_request_memcpy(_req) \ ++ container_of(_req, struct dma_request_memcpy, req) ++ ++struct dma_controller { ++ struct list_head list; ++ int id; ++ struct device *dev; ++ ++ int (*alloc_channel)(struct dma_controller *dmac); ++ void (*release_channel)(struct dma_controller *dmac, ++ int channel); ++ int (*prepare_request_sg)(struct dma_controller *dmac, ++ struct dma_request_sg *req); ++ int (*prepare_request_cyclic)(struct dma_controller *dmac, ++ struct dma_request_cyclic *req); ++ int (*prepare_request_memcpy)(struct dma_controller *dmac, ++ struct dma_request_memcpy *req); ++ int (*start_request)(struct dma_controller *dmac, ++ unsigned int channel); ++ int (*stop_request)(struct dma_controller *dmac, ++ unsigned int channel); ++ dma_addr_t (*get_current_pos)(struct dma_controller *dmac, ++ unsigned int channel); ++}; ++ ++static inline int ++dma_alloc_channel(struct dma_controller *dmac) ++{ ++ return dmac->alloc_channel(dmac); ++} ++ ++static inline void ++dma_release_channel(struct dma_controller *dmac, int chan) ++{ ++ dmac->release_channel(dmac, chan); ++} ++ ++static inline int ++dma_prepare_request_sg(struct dma_controller *dmac, ++ struct dma_request_sg *req) ++{ ++ return dmac->prepare_request_sg(dmac, req); ++} ++ ++static inline int ++dma_prepare_request_cyclic(struct dma_controller *dmac, ++ struct dma_request_cyclic *req) ++{ ++ return dmac->prepare_request_cyclic(dmac, req); ++} ++ ++static inline int ++dma_prepare_request_memcpy(struct dma_controller *dmac, ++ struct dma_request_memcpy *req) ++{ ++ return dmac->prepare_request_memcpy(dmac, req); ++} ++ ++static inline int ++dma_start_request(struct dma_controller *dmac, ++ unsigned int channel) ++{ ++ return dmac->start_request(dmac, channel); ++} ++ ++static inline int ++dma_stop_request(struct dma_controller *dmac, ++ unsigned int channel) ++{ ++ return dmac->stop_request(dmac, channel); ++} ++ ++static inline dma_addr_t ++dma_get_current_pos(struct dma_controller *dmac, ++ unsigned int channel) ++{ ++ return dmac->get_current_pos(dmac, channel); ++} ++ ++extern int register_dma_controller(struct dma_controller *dmac); ++extern struct dma_controller *find_dma_controller(int id); ++ ++#endif /* __ASM_AVR32_DMA_CONTROLLER_H */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/dma-mapping.h linux-2.6.20.4-atmel/include/asm-avr32/dma-mapping.h +--- linux-2.6.20.4-0rig/include/asm-avr32/dma-mapping.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/dma-mapping.h 2007-03-24 16:42:28.000000000 +0100 +@@ -32,6 +32,14 @@ + return 0; + } + ++/* ++ * dma_map_single can't fail as it is implemented now. ++ */ ++static inline int dma_mapping_error(dma_addr_t addr) ++{ ++ return 0; ++} ++ + /** + * dma_alloc_coherent - allocate consistent memory for DMA + * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/gpio.h linux-2.6.20.4-atmel/include/asm-avr32/gpio.h +--- linux-2.6.20.4-0rig/include/asm-avr32/gpio.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/gpio.h 2007-03-24 16:42:28.000000000 +0100 +@@ -0,0 +1,6 @@ ++#ifndef __ASM_AVR32_GPIO_H ++#define __ASM_AVR32_GPIO_H ++ ++#include <asm/arch/gpio.h> ++ ++#endif /* __ASM_AVR32_GPIO_H */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/ide.h linux-2.6.20.4-atmel/include/asm-avr32/ide.h +--- linux-2.6.20.4-0rig/include/asm-avr32/ide.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/ide.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,36 @@ ++/* ++ * linux/include/asm-arm/ide.h ++ * ++ * Copyright (C) 1994-1996 Linus Torvalds & authors ++ */ ++ ++/* ++ * This file contains the ARM architecture specific IDE code. ++ */ ++ ++#ifndef __ASMAVR32_IDE_H ++#define __ASMAVR32_IDE_H ++ ++#ifdef __KERNEL__ ++ ++#ifndef MAX_HWIFS ++#define MAX_HWIFS 4 ++#endif ++ ++#if !defined(CONFIG_ARCH_L7200) ++# define IDE_ARCH_OBSOLETE_INIT ++# ifdef CONFIG_ARCH_CLPS7500 ++# define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ ++# else ++# define ide_default_io_ctl(base) (0) ++# endif ++#endif /* !ARCH_L7200 */ ++ ++#define __ide_mm_insw(port,addr,len) readsw(port,addr,len) ++#define __ide_mm_insl(port,addr,len) readsl(port,addr,len) ++#define __ide_mm_outsw(port,addr,len) writesw(port,addr,len) ++#define __ide_mm_outsl(port,addr,len) writesl(port,addr,len) ++ ++#endif /* __KERNEL__ */ ++ ++#endif /* __ASMAVR32_IDE_H */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/io.h linux-2.6.20.4-atmel/include/asm-avr32/io.h +--- linux-2.6.20.4-0rig/include/asm-avr32/io.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/io.h 2007-03-24 16:42:29.000000000 +0100 +@@ -5,6 +5,8 @@ + + #ifdef __KERNEL__ + ++#include <linux/types.h> ++ + #include <asm/addrspace.h> + #include <asm/byteorder.h> + +@@ -28,45 +30,72 @@ + * Generic IO read/write. These perform native-endian accesses. Note + * that some architectures will want to re-define __raw_{read,write}w. + */ +-extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); +-extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); +-extern void __raw_writesl(unsigned int addr, const void *data, int longlen); ++extern void __raw_writesb(void __iomem *addr, const void *data, int bytelen); ++extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen); ++extern void __raw_writesl(void __iomem *addr, const void *data, int longlen); ++ ++extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen); ++extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen); ++extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); ++ ++static inline void __raw_writeb(u8 v, volatile void __iomem *addr) ++{ ++ *(volatile u8 __force *)addr = v; ++} ++static inline void __raw_writew(u16 v, volatile void __iomem *addr) ++{ ++ *(volatile u16 __force *)addr = v; ++} ++static inline void __raw_writel(u32 v, volatile void __iomem *addr) ++{ ++ *(volatile u32 __force *)addr = v; ++} ++ ++static inline u8 __raw_readb(const volatile void __iomem *addr) ++{ ++ return *(const volatile u8 __force *)addr; ++} ++static inline u16 __raw_readw(const volatile void __iomem *addr) ++{ ++ return *(const volatile u16 __force *)addr; ++} ++static inline u32 __raw_readl(const volatile void __iomem *addr) ++{ ++ return *(const volatile u32 __force *)addr; ++} + +-extern void __raw_readsb(unsigned int addr, void *data, int bytelen); +-extern void __raw_readsw(unsigned int addr, void *data, int wordlen); +-extern void __raw_readsl(unsigned int addr, void *data, int longlen); ++#define __swizzle_addr_b(addr) \ ++ ((typeof(addr))((unsigned long)(addr) ^ 3UL)) ++#define __swizzle_addr_w(addr) \ ++ ((typeof(addr))((unsigned long)(addr) ^ 2UL)) ++#define __swizzle_addr_l(addr) \ ++ (addr) + +-static inline void writeb(unsigned char b, volatile void __iomem *addr) ++static inline void writeb(u8 v, volatile void __iomem *addr) + { +- *(volatile unsigned char __force *)addr = b; ++ __raw_writeb(v, __swizzle_addr_b(addr)); + } +-static inline void writew(unsigned short b, volatile void __iomem *addr) ++static inline void writew(u16 v, volatile void __iomem *addr) + { +- *(volatile unsigned short __force *)addr = b; ++ __raw_writew(v, __swizzle_addr_w(addr)); + } +-static inline void writel(unsigned int b, volatile void __iomem *addr) ++static inline void writel(u32 v, volatile void __iomem *addr) + { +- *(volatile unsigned int __force *)addr = b; ++ __raw_writel(v, __swizzle_addr_l(addr)); + } +-#define __raw_writeb writeb +-#define __raw_writew writew +-#define __raw_writel writel + +-static inline unsigned char readb(const volatile void __iomem *addr) ++static inline u8 readb(const volatile void __iomem *addr) + { +- return *(const volatile unsigned char __force *)addr; ++ return __raw_readb(__swizzle_addr_b(addr)); + } +-static inline unsigned short readw(const volatile void __iomem *addr) ++static inline u16 readw(const volatile void __iomem *addr) + { +- return *(const volatile unsigned short __force *)addr; ++ return __raw_readw(__swizzle_addr_w(addr)); + } +-static inline unsigned int readl(const volatile void __iomem *addr) ++static inline u32 readl(const volatile void __iomem *addr) + { +- return *(const volatile unsigned int __force *)addr; ++ return __raw_readl(__swizzle_addr_l(addr)); + } +-#define __raw_readb readb +-#define __raw_readw readw +-#define __raw_readl readl + + #define writesb(p, d, l) __raw_writesb((unsigned int)p, d, l) + #define writesw(p, d, l) __raw_writesw((unsigned int)p, d, l) +@@ -108,17 +137,13 @@ + + #endif + +- +-/* +- * These two are only here because ALSA _thinks_ it needs them... +- */ + static inline void memcpy_fromio(void * to, const volatile void __iomem *from, + unsigned long count) + { + char *p = to; + while (count) { + count--; +- *p = readb(from); ++ *p = __raw_readb(from); + p++; + from++; + } +@@ -130,7 +155,7 @@ + const char *p = from; + while (count) { + count--; +- writeb(*p, to); ++ __raw_writeb(*p, to); + p++; + to++; + } +@@ -252,6 +277,9 @@ + #define ioremap(offset, size) \ + __ioremap((offset), (size), 0) + ++#define ioremap_nocache(offset, size) \ ++ __ioremap((offset), (size), 0) ++ + #define iounmap(addr) \ + __iounmap(addr) + +@@ -263,6 +291,14 @@ + #define page_to_bus page_to_phys + #define bus_to_page phys_to_page + ++/* ++ * Create a virtual mapping cookie for an IO port range. There exists ++ * no such thing as port-based I/O on AVR32, so a regular ioremap() ++ * should do what we need. ++ */ ++#define ioport_map(port, nr) ioremap(port, nr) ++#define ioport_unmap(port) iounmap(port) ++ + #define dma_cache_wback_inv(_start, _size) \ + flush_dcache_region(_start, _size) + #define dma_cache_inv(_start, _size) \ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/irq.h linux-2.6.20.4-atmel/include/asm-avr32/irq.h +--- linux-2.6.20.4-0rig/include/asm-avr32/irq.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/irq.h 2007-03-24 16:42:28.000000000 +0100 +@@ -2,8 +2,12 @@ + #define __ASM_AVR32_IRQ_H + + #define NR_INTERNAL_IRQS 64 +-#define NR_EXTERNAL_IRQS 64 +-#define NR_IRQS (NR_INTERNAL_IRQS + NR_EXTERNAL_IRQS) ++ ++#include <asm/arch/irq.h> ++ ++#ifndef NR_IRQS ++#define NR_IRQS (NR_INTERNAL_IRQS) ++#endif + + #define irq_canonicalize(i) (i) + +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/Kbuild linux-2.6.20.4-atmel/include/asm-avr32/Kbuild +--- linux-2.6.20.4-0rig/include/asm-avr32/Kbuild 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/Kbuild 2007-03-24 16:42:28.000000000 +0100 +@@ -1,3 +1,3 @@ + include include/asm-generic/Kbuild.asm + +-headers-y += cachectl.h ++header-y += cachectl.h +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/periph/lcdc.h linux-2.6.20.4-atmel/include/asm-avr32/periph/lcdc.h +--- linux-2.6.20.4-0rig/include/asm-avr32/periph/lcdc.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/periph/lcdc.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,271 @@ ++/* ++ * Register definitions for Atmel/SIDSA LCD Controller ++ * ++ * Copyright (C) 2004-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __ASM_AVR32_PERIPH_LCDC_H__ ++#define __ASM_AVR32_PERIPH_LCDC_H__ ++ ++#define LCDC_CONTRAST_CTR 0x00000840 ++# define LCDC_CONTRAST_CTR_ENA_OFFSET 3 ++# define LCDC_CONTRAST_CTR_ENA_SIZE 1 ++# define LCDC_CONTRAST_CTR_POL_OFFSET 2 ++# define LCDC_CONTRAST_CTR_POL_SIZE 1 ++# define LCDC_CONTRAST_CTR_PS_OFFSET 0 ++# define LCDC_CONTRAST_CTR_PS_SIZE 2 ++#define LCDC_CONTRAST_VAL 0x00000844 ++# define LCDC_CONTRAST_VAL_CVAL_OFFSET 0 ++# define LCDC_CONTRAST_VAL_CVAL_SIZE 8 ++#define LCDC_DMABADDR1 0x00000000 ++# define LCDC_DMABADDR1_BADDR_U_OFFSET 0 ++# define LCDC_DMABADDR1_BADDR_U_SIZE 32 ++#define LCDC_DMABADDR2 0x00000004 ++# define LCDC_DMABADDR2_BADDR_L_OFFSET 0 ++# define LCDC_DMABADDR2_BADDR_L_SIZE 32 ++#define LCDC_DMACON 0x0000001C ++# define LCDC_DMACON_DMABUSY_OFFSET 2 ++# define LCDC_DMACON_DMABUSY_SIZE 1 ++# define LCDC_DMACON_DMAEN_OFFSET 0 ++# define LCDC_DMACON_DMAEN_SIZE 1 ++# define LCDC_DMACON_DMARST_OFFSET 1 ++# define LCDC_DMACON_DMARST_SIZE 1 ++# define LCDC_DMACON_DMAUPDT_OFFSET 3 ++# define LCDC_DMACON_DMAUPDT_SIZE 1 ++# define LCDC_DMACON_DMA2DEN_OFFSET 4 ++# define LCDC_DMACON_DMA2DEN_SIZE 1 ++#define LCDC_DMAFRMADD1 0x00000010 ++# define LCDC_DMAFRMADD1_FRMADD_U_OFFSET 0 ++# define LCDC_DMAFRMADD1_FRMADD_U_SIZE 32 ++#define LCDC_DMAFRMADD2 0x00000014 ++# define LCDC_DMAFRMADD2_FRMADD_L_OFFSET 0 ++# define LCDC_DMAFRMADD2_FRMADD_L_SIZE 32 ++#define LCDC_DMAFRMCFG 0x00000018 ++# define LCDC_DMAFRMCFG_BRSTLEN_OFFSET 24 ++# define LCDC_DMAFRMCFG_BRSTLEN_SIZE 7 ++# define LCDC_DMAFRMCFG_FRMSIZE_OFFSET 0 ++# define LCDC_DMAFRMCFG_FRMSIZE_SIZE 23 ++#define LCDC_DMAFRMPT1 0x00000008 ++# define LCDC_DMAFRMPT1_FRMPT_U_OFFSET 0 ++# define LCDC_DMAFRMPT1_FRMPT_U_SIZE 23 ++#define LCDC_DMAFRMPT2 0x0000000C ++# define LCDC_DMAFRMPT2_FRMPT_L_OFFSET 0 ++# define LCDC_DMAFRMPT2_FRMPT_L_SIZE 23 ++#define LCDC_DMA2DCFG 0x00000020 ++# define LCDC_DMA2DCFG_ADDRINC_OFFSET 0 ++# define LCDC_DMA2DCFG_ADDRINC_SIZE 16 ++# define LCDC_DMA2DCFG_PIXELOFF_OFFSET 24 ++# define LCDC_DMA2DCFG_PIXELOFF_SIZE 5 ++#define LCDC_DP1_2 0x0000081C ++# define LCDC_DP1_2_DP1_2_OFFSET 0 ++# define LCDC_DP1_2_DP1_2_SIZE 8 ++#define LCDC_DP2_3 0x00000828 ++# define LCDC_DP2_3_DP2_3_OFFSET 0 ++# define LCDC_DP2_3_DP2_3_SIZE 12 ++#define LCDC_DP3_4 0x00000830 ++# define LCDC_DP3_4_DP3_4_OFFSET 0 ++# define LCDC_DP3_4_DP3_4_SIZE 16 ++#define LCDC_DP3_5 0x00000824 ++# define LCDC_DP3_5_DP3_5_OFFSET 0 ++# define LCDC_DP3_5_DP3_5_SIZE 20 ++#define LCDC_DP4_5 0x00000834 ++# define LCDC_DP4_5_DP4_5_OFFSET 0 ++# define LCDC_DP4_5_DP4_5_SIZE 20 ++#define LCDC_DP4_7 0x00000820 ++# define LCDC_DP4_7_DP4_7_OFFSET 0 ++# define LCDC_DP4_7_DP4_7_SIZE 28 ++#define LCDC_DP5_7 0x0000082C ++# define LCDC_DP5_7_DP5_7_OFFSET 0 ++# define LCDC_DP5_7_DP5_7_SIZE 28 ++#define LCDC_DP6_7 0x00000838 ++# define LCDC_DP6_7_DP6_7_OFFSET 0 ++# define LCDC_DP6_7_DP6_7_SIZE 28 ++#define LCDC_LCDCON1 0x00000800 ++# define LCDC_LCDCON1_BYPASS_OFFSET 0 ++# define LCDC_LCDCON1_BYPASS_SIZE 1 ++# define LCDC_LCDCON1_CLKVAL_OFFSET 12 ++# define LCDC_LCDCON1_CLKVAL_SIZE 9 ++# define LCDC_LCDCON1_LINECNT_OFFSET 21 ++# define LCDC_LCDCON1_LINECNT_SIZE 11 ++#define LCDC_LCDCON2 0x00000804 ++# define LCDC_LCDCON2_CLKMOD_OFFSET 15 ++# define LCDC_LCDCON2_CLKMOD_SIZE 1 ++# define LCDC_LCDCON2_DISTYPE_OFFSET 0 ++# define LCDC_LCDCON2_DISTYPE_SIZE 2 ++# define LCDC_LCDCON2_IFWIDTH_OFFSET 3 ++# define LCDC_LCDCON2_IFWIDTH_SIZE 2 ++# define LCDC_LCDCON2_INVCLK_OFFSET 11 ++# define LCDC_LCDCON2_INVCLK_SIZE 1 ++# define LCDC_LCDCON2_INVDVAL_OFFSET 12 ++# define LCDC_LCDCON2_INVDVAL_SIZE 1 ++# define LCDC_LCDCON2_INVFRAME_OFFSET 9 ++# define LCDC_LCDCON2_INVFRAME_SIZE 1 ++# define LCDC_LCDCON2_INVLINE_OFFSET 10 ++# define LCDC_LCDCON2_INVLINE_SIZE 1 ++# define LCDC_LCDCON2_INVVD_OFFSET 8 ++# define LCDC_LCDCON2_INVVD_SIZE 1 ++# define LCDC_LCDCON2_MEMOR_OFFSET 30 ++# define LCDC_LCDCON2_MEMOR_SIZE 2 ++# define LCDC_LCDCON2_PIXELSIZE_OFFSET 5 ++# define LCDC_LCDCON2_PIXELSIZE_SIZE 3 ++# define LCDC_LCDCON2_SCANMOD_OFFSET 2 ++# define LCDC_LCDCON2_SCANMOD_SIZE 1 ++#define LCDC_LCDFIFO 0x00000814 ++# define LCDC_LCDFIFO_FIFOTH_OFFSET 0 ++# define LCDC_LCDFIFO_FIFOTH_SIZE 16 ++#define LCDC_LCDFRMCFG 0x00000810 ++# define LCDC_LCDFRMCFG_LINESIZE_OFFSET 21 ++# define LCDC_LCDFRMCFG_LINESIZE_SIZE 11 ++# define LCDC_LCDFRMCFG_LINEVAL_OFFSET 0 ++# define LCDC_LCDFRMCFG_LINEVAL_SIZE 11 ++#define LCDC_LCDMVAL 0x00000818 ++# define LCDC_LCDMVAL_MMODE_OFFSET 31 ++# define LCDC_LCDMVAL_MMODE_SIZE 1 ++# define LCDC_LCDMVAL_MVAL_OFFSET 0 ++# define LCDC_LCDMVAL_MVAL_SIZE 8 ++#define LCDC_LCDTIM1 0x00000808 ++# define LCDC_LCDTIM1_VBP_OFFSET 8 ++# define LCDC_LCDTIM1_VBP_SIZE 8 ++# define LCDC_LCDTIM1_VFP_OFFSET 0 ++# define LCDC_LCDTIM1_VFP_SIZE 8 ++# define LCDC_LCDTIM1_VHDLY_OFFSET 24 ++# define LCDC_LCDTIM1_VHDLY_SIZE 4 ++# define LCDC_LCDTIM1_VPW_OFFSET 16 ++# define LCDC_LCDTIM1_VPW_SIZE 6 ++#define LCDC_LCDTIM2 0x0000080C ++# define LCDC_LCDTIM2_HBP_OFFSET 0 ++# define LCDC_LCDTIM2_HBP_SIZE 8 ++# define LCDC_LCDTIM2_HFP_OFFSET 21 ++# define LCDC_LCDTIM2_HFP_SIZE 11 ++# define LCDC_LCDTIM2_HPW_OFFSET 8 ++# define LCDC_LCDTIM2_HPW_SIZE 6 ++#define LCDC_LCD_GPR 0x0000085C ++# define LCDC_LCD_GPR_GPRB0_OFFSET 0 ++# define LCDC_LCD_GPR_GPRB0_SIZE 1 ++# define LCDC_LCD_GPR_GPRB1_OFFSET 1 ++# define LCDC_LCD_GPR_GPRB1_SIZE 1 ++# define LCDC_LCD_GPR_GPRB2_OFFSET 2 ++# define LCDC_LCD_GPR_GPRB2_SIZE 1 ++# define LCDC_LCD_GPR_GPRB3_OFFSET 3 ++# define LCDC_LCD_GPR_GPRB3_SIZE 1 ++# define LCDC_LCD_GPR_GPRB4_OFFSET 4 ++# define LCDC_LCD_GPR_GPRB4_SIZE 1 ++# define LCDC_LCD_GPR_GPRB5_OFFSET 5 ++# define LCDC_LCD_GPR_GPRB5_SIZE 1 ++# define LCDC_LCD_GPR_GPRB6_OFFSET 6 ++# define LCDC_LCD_GPR_GPRB6_SIZE 1 ++# define LCDC_LCD_GPR_GPRB7_OFFSET 7 ++# define LCDC_LCD_GPR_GPRB7_SIZE 1 ++#define LCDC_LCD_ICR 0x00000858 ++# define LCDC_LCD_ICR_EOFIC_OFFSET 2 ++# define LCDC_LCD_ICR_EOFIC_SIZE 1 ++# define LCDC_LCD_ICR_LNIC_OFFSET 0 ++# define LCDC_LCD_ICR_LNIC_SIZE 1 ++# define LCDC_LCD_ICR_LSTLNIC_OFFSET 1 ++# define LCDC_LCD_ICR_LSTLNIC_SIZE 1 ++# define LCDC_LCD_ICR_MERIC_OFFSET 6 ++# define LCDC_LCD_ICR_MERIC_SIZE 1 ++# define LCDC_LCD_ICR_OWRIC_OFFSET 5 ++# define LCDC_LCD_ICR_OWRIC_SIZE 1 ++# define LCDC_LCD_ICR_UFLWIC_OFFSET 4 ++# define LCDC_LCD_ICR_UFLWIC_SIZE 1 ++#define LCDC_LCD_IDR 0x0000084C ++# define LCDC_LCD_IDR_EOFID_OFFSET 2 ++# define LCDC_LCD_IDR_EOFID_SIZE 1 ++# define LCDC_LCD_IDR_LNID_OFFSET 0 ++# define LCDC_LCD_IDR_LNID_SIZE 1 ++# define LCDC_LCD_IDR_LSTLNID_OFFSET 1 ++# define LCDC_LCD_IDR_LSTLNID_SIZE 1 ++# define LCDC_LCD_IDR_MERID_OFFSET 6 ++# define LCDC_LCD_IDR_MERID_SIZE 1 ++# define LCDC_LCD_IDR_OWRID_OFFSET 5 ++# define LCDC_LCD_IDR_OWRID_SIZE 1 ++# define LCDC_LCD_IDR_UFLWID_OFFSET 4 ++# define LCDC_LCD_IDR_UFLWID_SIZE 1 ++#define LCDC_LCD_IER 0x00000848 ++# define LCDC_LCD_IER_EOFIE_OFFSET 2 ++# define LCDC_LCD_IER_EOFIE_SIZE 1 ++# define LCDC_LCD_IER_LNIE_OFFSET 0 ++# define LCDC_LCD_IER_LNIE_SIZE 1 ++# define LCDC_LCD_IER_LSTLNIE_OFFSET 1 ++# define LCDC_LCD_IER_LSTLNIE_SIZE 1 ++# define LCDC_LCD_IER_MERIE_OFFSET 6 ++# define LCDC_LCD_IER_MERIE_SIZE 1 ++# define LCDC_LCD_IER_OWRIE_OFFSET 5 ++# define LCDC_LCD_IER_OWRIE_SIZE 1 ++# define LCDC_LCD_IER_UFLWIE_OFFSET 4 ++# define LCDC_LCD_IER_UFLWIE_SIZE 1 ++#define LCDC_LCD_IMR 0x00000850 ++# define LCDC_LCD_IMR_EOFIM_OFFSET 2 ++# define LCDC_LCD_IMR_EOFIM_SIZE 1 ++# define LCDC_LCD_IMR_LNIM_OFFSET 0 ++# define LCDC_LCD_IMR_LNIM_SIZE 1 ++# define LCDC_LCD_IMR_LSTLNIM_OFFSET 1 ++# define LCDC_LCD_IMR_LSTLNIM_SIZE 1 ++# define LCDC_LCD_IMR_MERIM_OFFSET 6 ++# define LCDC_LCD_IMR_MERIM_SIZE 1 ++# define LCDC_LCD_IMR_OWRIM_OFFSET 5 ++# define LCDC_LCD_IMR_OWRIM_SIZE 1 ++# define LCDC_LCD_IMR_UFLWIM_OFFSET 4 ++# define LCDC_LCD_IMR_UFLWIM_SIZE 1 ++#define LCDC_LCD_IRR 0x00000864 ++# define LCDC_LCD_IRR_EOFIR_OFFSET 2 ++# define LCDC_LCD_IRR_EOFIR_SIZE 1 ++# define LCDC_LCD_IRR_LNIR_OFFSET 0 ++# define LCDC_LCD_IRR_LNIR_SIZE 1 ++# define LCDC_LCD_IRR_LSTLNIR_OFFSET 1 ++# define LCDC_LCD_IRR_LSTLNIR_SIZE 1 ++# define LCDC_LCD_IRR_MERIR_OFFSET 6 ++# define LCDC_LCD_IRR_MERIR_SIZE 1 ++# define LCDC_LCD_IRR_OWRIR_OFFSET 5 ++# define LCDC_LCD_IRR_OWRIR_SIZE 1 ++# define LCDC_LCD_IRR_UFLWIR_OFFSET 4 ++# define LCDC_LCD_IRR_UFLWIR_SIZE 1 ++#define LCDC_LCD_ISR 0x00000854 ++# define LCDC_LCD_ISR_EOFIS_OFFSET 2 ++# define LCDC_LCD_ISR_EOFIS_SIZE 1 ++# define LCDC_LCD_ISR_LNIS_OFFSET 0 ++# define LCDC_LCD_ISR_LNIS_SIZE 1 ++# define LCDC_LCD_ISR_LSTLNIS_OFFSET 1 ++# define LCDC_LCD_ISR_LSTLNIS_SIZE 1 ++# define LCDC_LCD_ISR_MERIS_OFFSET 6 ++# define LCDC_LCD_ISR_MERIS_SIZE 1 ++# define LCDC_LCD_ISR_OWRIS_OFFSET 5 ++# define LCDC_LCD_ISR_OWRIS_SIZE 1 ++# define LCDC_LCD_ISR_UFLWIS_OFFSET 4 ++# define LCDC_LCD_ISR_UFLWIS_SIZE 1 ++#define LCDC_LCD_ITR 0x00000860 ++# define LCDC_LCD_ITR_EOFIT_OFFSET 2 ++# define LCDC_LCD_ITR_EOFIT_SIZE 1 ++# define LCDC_LCD_ITR_LNIT_OFFSET 0 ++# define LCDC_LCD_ITR_LNIT_SIZE 1 ++# define LCDC_LCD_ITR_LSTLNIT_OFFSET 1 ++# define LCDC_LCD_ITR_LSTLNIT_SIZE 1 ++# define LCDC_LCD_ITR_MERIT_OFFSET 6 ++# define LCDC_LCD_ITR_MERIT_SIZE 1 ++# define LCDC_LCD_ITR_OWRIT_OFFSET 5 ++# define LCDC_LCD_ITR_OWRIT_SIZE 1 ++# define LCDC_LCD_ITR_UFLWIT_OFFSET 4 ++# define LCDC_LCD_ITR_UFLWIT_SIZE 1 ++#define LCDC_PWRCON 0x0000083C ++# define LCDC_PWRCON_GUARD_TIME_OFFSET 1 ++# define LCDC_PWRCON_GUARD_TIME_SIZE 7 ++# define LCDC_PWRCON_LCD_BUSY_OFFSET 31 ++# define LCDC_PWRCON_LCD_BUSY_SIZE 1 ++# define LCDC_PWRCON_LCD_PWR_OFFSET 0 ++# define LCDC_PWRCON_LCD_PWR_SIZE 1 ++ ++#define LCDC_BIT(name) (1 << LCDC_##name##_OFFSET) ++#define LCDC_MKBF(name,value) (((value) & ((1 << LCDC_##name##_SIZE) - 1)) << LCDC_##name##_OFFSET) ++#define LCDC_GETBF(name,value) (((value) >> LCDC_##name##_OFFSET) & ((1 << LCDC_##name##_SIZE) - 1)) ++#define LCDC_INSBF(name,value,old) (((old) & ~(((1 << LCDC_##name##_SIZE) - 1) << LCDC_##name##_OFFSET)) | LCDC_MKBF(name, value)) ++ ++#define lcdc_readl(port,reg) \ ++ __raw_readl((port)->regs + LCDC_##reg) ++#define lcdc_writel(port,reg,value) \ ++ __raw_writel((value), (port)->regs + LCDC_##reg) ++ ++#endif /* __ASM_AVR32_PERIPH_LCDC_H__ */ +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/posix_types.h linux-2.6.20.4-atmel/include/asm-avr32/posix_types.h +--- linux-2.6.20.4-0rig/include/asm-avr32/posix_types.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/posix_types.h 2007-03-24 16:42:28.000000000 +0100 +@@ -23,7 +23,7 @@ + typedef unsigned int __kernel_uid_t; + typedef unsigned int __kernel_gid_t; + typedef unsigned long __kernel_size_t; +-typedef int __kernel_ssize_t; ++typedef long __kernel_ssize_t; + typedef int __kernel_ptrdiff_t; + typedef long __kernel_time_t; + typedef long __kernel_suseconds_t; +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/uaccess.h linux-2.6.20.4-atmel/include/asm-avr32/uaccess.h +--- linux-2.6.20.4-0rig/include/asm-avr32/uaccess.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/uaccess.h 2007-03-24 16:42:28.000000000 +0100 +@@ -68,12 +68,6 @@ + + #define access_ok(type, addr, size) (likely(__range_ok(addr, size) == 0)) + +-static inline int +-verify_area(int type, const void __user *addr, unsigned long size) +-{ +- return access_ok(type, addr, size) ? 0 : -EFAULT; +-} +- + /* Generic arbitrary sized copy. Return the number of bytes NOT copied */ + extern __kernel_size_t __copy_user(void *to, const void *from, + __kernel_size_t n); +diff -urN linux-2.6.20.4-0rig/include/asm-avr32/unistd.h linux-2.6.20.4-atmel/include/asm-avr32/unistd.h +--- linux-2.6.20.4-0rig/include/asm-avr32/unistd.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/asm-avr32/unistd.h 2007-03-24 16:42:28.000000000 +0100 +@@ -120,7 +120,7 @@ + #define __NR_getitimer 105 + #define __NR_swapoff 106 + #define __NR_sysinfo 107 +-#define __NR_ipc 108 ++/* 108 was __NR_ipc for a little while */ + #define __NR_sendfile 109 + #define __NR_setdomainname 110 + #define __NR_uname 111 +@@ -282,8 +282,21 @@ + #define __NR_vmsplice 264 + #define __NR_epoll_pwait 265 + ++#define __NR_msgget 266 ++#define __NR_msgsnd 267 ++#define __NR_msgrcv 268 ++#define __NR_msgctl 269 ++#define __NR_semget 270 ++#define __NR_semop 271 ++#define __NR_semctl 272 ++#define __NR_semtimedop 273 ++#define __NR_shmat 274 ++#define __NR_shmget 275 ++#define __NR_shmdt 276 ++#define __NR_shmctl 277 ++ + #ifdef __KERNEL__ +-#define NR_syscalls 266 ++#define NR_syscalls 278 + + + #define __ARCH_WANT_IPC_PARSE_VERSION +diff -urN linux-2.6.20.4-0rig/include/linux/atmel_pdc.h linux-2.6.20.4-atmel/include/linux/atmel_pdc.h +--- linux-2.6.20.4-0rig/include/linux/atmel_pdc.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/linux/atmel_pdc.h 2007-03-24 16:39:16.000000000 +0100 +@@ -0,0 +1,36 @@ ++/* ++ * include/linux/atmel_pdc.h ++ * ++ * Copyright (C) 2005 Ivan Kokshaysky ++ * Copyright (C) SAN People ++ * ++ * Peripheral Data Controller (PDC) registers. ++ * Based on AT91RM9200 datasheet revision E. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ */ ++ ++#ifndef ATMEL_PDC_H ++#define ATMEL_PDC_H ++ ++#define ATMEL_PDC_RPR 0x100 /* Receive Pointer Register */ ++#define ATMEL_PDC_RCR 0x104 /* Receive Counter Register */ ++#define ATMEL_PDC_TPR 0x108 /* Transmit Pointer Register */ ++#define ATMEL_PDC_TCR 0x10c /* Transmit Counter Register */ ++#define ATMEL_PDC_RNPR 0x110 /* Receive Next Pointer Register */ ++#define ATMEL_PDC_RNCR 0x114 /* Receive Next Counter Register */ ++#define ATMEL_PDC_TNPR 0x118 /* Transmit Next Pointer Register */ ++#define ATMEL_PDC_TNCR 0x11c /* Transmit Next Counter Register */ ++ ++#define ATMEL_PDC_PTCR 0x120 /* Transfer Control Register */ ++#define ATMEL_PDC_RXTEN (1 << 0) /* Receiver Transfer Enable */ ++#define ATMEL_PDC_RXTDIS (1 << 1) /* Receiver Transfer Disable */ ++#define ATMEL_PDC_TXTEN (1 << 8) /* Transmitter Transfer Enable */ ++#define ATMEL_PDC_TXTDIS (1 << 9) /* Transmitter Transfer Disable */ ++ ++#define ATMEL_PDC_PTSR 0x124 /* Transfer Status Register */ ++ ++#endif +diff -urN linux-2.6.20.4-0rig/include/linux/fb.h linux-2.6.20.4-atmel/include/linux/fb.h +--- linux-2.6.20.4-0rig/include/linux/fb.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/linux/fb.h 2007-03-24 16:42:29.000000000 +0100 +@@ -192,6 +192,7 @@ + /* vtotal = 144d/288n/576i => PAL */ + /* vtotal = 121d/242n/484i => NTSC */ + #define FB_SYNC_ON_GREEN 32 /* sync on green */ ++#define FB_SYNC_PCLK_RISING 64 /* pixel data sampled on rising pclk */ + + #define FB_VMODE_NONINTERLACED 0 /* non interlaced */ + #define FB_VMODE_INTERLACED 1 /* interlaced */ +@@ -827,7 +828,7 @@ + #define fb_writeq sbus_writeq + #define fb_memset sbus_memset_io + +-#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) ++#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || (defined(__sh__) && !defined(__SH5__)) || defined(__powerpc__) || defined(__avr32__) + + #define fb_readb __raw_readb + #define fb_readw __raw_readw +diff -urN linux-2.6.20.4-0rig/include/linux/mtd/physmap.h linux-2.6.20.4-atmel/include/linux/mtd/physmap.h +--- linux-2.6.20.4-0rig/include/linux/mtd/physmap.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/linux/mtd/physmap.h 2007-03-24 16:42:28.000000000 +0100 +@@ -18,9 +18,10 @@ + #define __LINUX_MTD_PHYSMAP__ + + #include <linux/mtd/mtd.h> +-#include <linux/mtd/map.h> + #include <linux/mtd/partitions.h> + ++struct map_info; ++ + struct physmap_flash_data { + unsigned int width; + void (*set_vpp)(struct map_info *, int); +diff -urN linux-2.6.20.4-0rig/include/linux/spi/ads7846.h linux-2.6.20.4-atmel/include/linux/spi/ads7846.h +--- linux-2.6.20.4-0rig/include/linux/spi/ads7846.h 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/linux/spi/ads7846.h 2007-03-24 16:39:16.000000000 +0100 +@@ -5,9 +5,17 @@ + * + * It's OK if the min/max values are zero. + */ ++enum ads7846_filter { ++ ADS7846_FILTER_OK, ++ ADS7846_FILTER_REPEAT, ++ ADS7846_FILTER_IGNORE, ++}; ++ + struct ads7846_platform_data { + u16 model; /* 7843, 7845, 7846. */ + u16 vref_delay_usecs; /* 0 for external vref; etc */ ++ int keep_vref_on:1; /* set to keep vref on for differential ++ * measurements as well */ + u16 x_plate_ohms; + u16 y_plate_ohms; + +@@ -21,5 +29,9 @@ + u16 debounce_rep; /* additional consecutive good readings + * required after the first two */ + int (*get_pendown_state)(void); ++ int (*filter_init) (struct ads7846_platform_data *pdata, ++ void **filter_data); ++ int (*filter) (void *filter_data, int data_idx, int *val); ++ void (*filter_cleanup)(void *filter_data); + }; + +diff -urN linux-2.6.20.4-0rig/include/video/atmel_lcdc.h linux-2.6.20.4-atmel/include/video/atmel_lcdc.h +--- linux-2.6.20.4-0rig/include/video/atmel_lcdc.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/include/video/atmel_lcdc.h 2007-03-24 16:39:16.000000000 +0100 +@@ -0,0 +1,193 @@ ++/* ++ * include/video/atmel_lcdc.h ++ * ++ * Header file for AT91/AT32 LCD Controller ++ * ++ * Data structure and register user interface ++ * ++ * Copyright (C) 2007 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++#ifndef __ATMEL_LCDC_H__ ++#define __ATMEL_LCDC_H__ ++ ++ /* LCD Controller info data structure */ ++struct atmel_lcdfb_info { ++ spinlock_t lock; ++ struct fb_info *info; ++ void __iomem *mmio; ++ unsigned long irq_base; ++ dma_addr_t map_dma; ++ void *map_cpu; ++ size_t map_size; ++ ++ unsigned int guard_time; ++ struct platform_device *pdev; ++ struct clk *bus_clk; ++ struct clk *lcdc_clk; ++ unsigned int default_bpp; ++ unsigned int default_lcdcon2; ++ unsigned int default_dmacon; ++ int default_flags; ++ u8 power_control_pin; ++ struct fb_monspecs *default_monspecs; ++}; ++ ++#define ATMEL_LCDC_DMABADDR1 0x00 /* DMA Base Address Register 1 */ ++#define ATMEL_LCDC_DMABADDR2 0x04 /* DMA Base Address Register 2 */ ++#define ATMEL_LCDC_DMAFRMPT1 0x08 /* DMA Frame Pointer Register 1 */ ++#define ATMEL_LCDC_DMAFRMPT2 0x0c /* DMA Frame Pointer Register 2 */ ++#define ATMEL_LCDC_DMAFRMADD1 0x10 /* DMA Frame Address Register 1 */ ++#define ATMEL_LCDC_DMAFRMADD2 0x14 /* DMA Frame Address Register 2 */ ++ ++#define ATMEL_LCDC_DMAFRMCFG 0x18 /* DMA Frame Configuration Register */ ++#define ATMEL_LCDC_FRSIZE (0x7fffff << 0) /* Frame Size */ ++#define ATMEL_LCDC_BLENGTH_OFFSET 24 /* Burst Length */ ++#define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET) ++ ++#define ATMEL_LCDC_DMACON 0x1c /* DMA Control Register */ ++#define ATMEL_LCDC_DMAEN (0x1 << 0) /* DMA Enable */ ++#define ATMEL_LCDC_DMARST (0x1 << 1) /* DMA Reset */ ++#define ATMEL_LCDC_DMABUSY (0x1 << 2) /* DMA Busy */ ++ ++#define ATMEL_LCDC_LCDCON1 0x0800 /* LCD Control Register 1 */ ++#define ATMEL_LCDC_BYPASS (1 << 0) /* Bypass lcd_dotck divider */ ++#define ATMEL_LCDC_CLKVAL_OFFSET 12 /* Clock Divider */ ++#define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET) ++#define ATMEL_LCDC_LINCNT (0x7ff << 21) /* Line Counter */ ++ ++#define ATMEL_LCDC_LCDCON2 0x0804 /* LCD Control Register 2 */ ++#define ATMEL_LCDC_DISTYPE (3 << 0) /* Display Type */ ++#define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0) ++#define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0) ++#define ATMEL_LCDC_DISTYPE_TFT (2 << 0) ++#define ATMEL_LCDC_SCANMOD (1 << 2) /* Scan Mode */ ++#define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2) ++#define ATMEL_LCDC_SCANMOD_DUAL (1 << 2) ++#define ATMEL_LCDC_IFWIDTH (3 << 3) /*Interface Width */ ++#define ATMEL_LCDC_IFWIDTH_4 (0 << 3) ++#define ATMEL_LCDC_IFWIDTH_8 (1 << 3) ++#define ATMEL_LCDC_IFWIDTH_16 (2 << 3) ++#define ATMEL_LCDC_PIXELSIZE (7 << 5) /* Bits per pixel */ ++#define ATMEL_LCDC_PIXELSIZE_1 (0 << 5) ++#define ATMEL_LCDC_PIXELSIZE_2 (1 << 5) ++#define ATMEL_LCDC_PIXELSIZE_4 (2 << 5) ++#define ATMEL_LCDC_PIXELSIZE_8 (3 << 5) ++#define ATMEL_LCDC_PIXELSIZE_16 (4 << 5) ++#define ATMEL_LCDC_PIXELSIZE_24 (5 << 5) ++#define ATMEL_LCDC_PIXELSIZE_32 (6 << 5) ++#define ATMEL_LCDC_INVVD (1 << 8) /* LCD Data polarity */ ++#define ATMEL_LCDC_INVVD_NORMAL (0 << 8) ++#define ATMEL_LCDC_INVVD_INVERTED (1 << 8) ++#define ATMEL_LCDC_INVFRAME (1 << 9 ) /* LCD VSync polarity */ ++#define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9) ++#define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9) ++#define ATMEL_LCDC_INVLINE (1 << 10) /* LCD HSync polarity */ ++#define ATMEL_LCDC_INVLINE_NORMAL (0 << 10) ++#define ATMEL_LCDC_INVLINE_INVERTED (1 << 10) ++#define ATMEL_LCDC_INVCLK (1 << 11) /* LCD dotclk polarity */ ++#define ATMEL_LCDC_INVCLK_NORMAL (0 << 11) ++#define ATMEL_LCDC_INVCLK_INVERTED (1 << 11) ++#define ATMEL_LCDC_INVDVAL (1 << 12) /* LCD dval polarity */ ++#define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12) ++#define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12) ++#define ATMEL_LCDC_CLKMOD (1 << 15) /* LCD dotclk mode */ ++#define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15) ++#define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15) ++#define ATMEL_LCDC_MEMOR (1 << 31) /* Memory Ordering Format */ ++#define ATMEL_LCDC_MEMOR_BIG (0 << 31) ++#define ATMEL_LCDC_MEMOR_LITTLE (1 << 31) ++ ++#define ATMEL_LCDC_TIM1 0x0808 /* LCD Timing Register 1 */ ++#define ATMEL_LCDC_VFP (0xff << 0) /* Vertical Front Porch */ ++#define ATMEL_LCDC_VBP_OFFSET 8 /* Vertical Back Porch */ ++#define ATMEL_LCDC_VBP (0xff << ATMEL_LCDC_VBP_OFFSET) ++#define ATMEL_LCDC_VPW_OFFSET 16 /* Vertical Synchronization Pulse Width */ ++#define ATMEL_LCDC_VPW (0x3f << ATMEL_LCDC_VPW_OFFSET) ++#define ATMEL_LCDC_VHDLY_OFFSET 24 /* Vertical to Horizontal Delay */ ++#define ATMEL_LCDC_VHDLY (0xf << ATMEL_LCDC_VHDLY_OFFSET) ++ ++#define ATMEL_LCDC_TIM2 0x080c /* LCD Timing Register 2 */ ++#define ATMEL_LCDC_HBP (0xff << 0) /* Horizontal Back Porch */ ++#define ATMEL_LCDC_HPW_OFFSET 8 /* Horizontal Synchronization Pulse Width */ ++#define ATMEL_LCDC_HPW (0x3f << ATMEL_LCDC_HPW_OFFSET) ++#define ATMEL_LCDC_HFP_OFFSET 21 /* Horizontal Front Porch */ ++#define ATMEL_LCDC_HFP (0x7ff << ATMEL_LCDC_HFP_OFFSET) ++ ++#define ATMEL_LCDC_LCDFRMCFG 0x0810 /* LCD Frame Configuration Register */ ++#define ATMEL_LCDC_LINEVAL (0x7ff << 0) /* Vertical Size of LCD Module */ ++#define ATMEL_LCDC_HOZVAL_OFFSET 21 /* Horizontal Size of LCD Module */ ++#define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET) ++ ++#define ATMEL_LCDC_FIFO 0x0814 /* LCD FIFO Register */ ++#define ATMEL_LCDC_FIFOTH (0xffff) /* FIFO Threshold */ ++ ++#define ATMEL_LCDC_MVAL 0x0818 /* LCD Mode Toggle Rate Value Register */ ++ ++#define ATMEL_LCDC_DP1_2 0x081c /* Dithering Pattern DP1_2 Register */ ++#define ATMEL_LCDC_DP4_7 0x0820 /* Dithering Pattern DP4_7 Register */ ++#define ATMEL_LCDC_DP3_5 0x0824 /* Dithering Pattern DP3_5 Register */ ++#define ATMEL_LCDC_DP2_3 0x0828 /* Dithering Pattern DP2_3 Register */ ++#define ATMEL_LCDC_DP5_7 0x082c /* Dithering Pattern DP5_7 Register */ ++#define ATMEL_LCDC_DP3_4 0x0830 /* Dithering Pattern DP3_4 Register */ ++#define ATMEL_LCDC_DP4_5 0x0834 /* Dithering Pattern DP4_5 Register */ ++#define ATMEL_LCDC_DP6_7 0x0838 /* Dithering Pattern DP6_7 Register */ ++#define ATMEL_LCDC_DP1_2_VAL (0xff) ++#define ATMEL_LCDC_DP4_7_VAL (0xfffffff) ++#define ATMEL_LCDC_DP3_5_VAL (0xfffff) ++#define ATMEL_LCDC_DP2_3_VAL (0xfff) ++#define ATMEL_LCDC_DP5_7_VAL (0xfffffff) ++#define ATMEL_LCDC_DP3_4_VAL (0xffff) ++#define ATMEL_LCDC_DP4_5_VAL (0xfffff) ++#define ATMEL_LCDC_DP6_7_VAL (0xfffffff) ++ ++#define ATMEL_LCDC_PWRCON 0x083c /* Power Control Register */ ++#define ATMEL_LCDC_PWR (1 << 0) /* LCD Module Power Control */ ++#define ATMEL_LCDC_GUARDT_OFFSET 1 /* Delay in Frame Period */ ++#define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET) ++#define ATMEL_LCDC_BUSY (1 << 31) /* LCD Busy */ ++ ++#define ATMEL_LCDC_CONTRAST_CTR 0x0840 /* Contrast Control Register */ ++#define ATMEL_LCDC_PS (3 << 0) /* Contrast Counter Prescaler */ ++#define ATMEL_LCDC_PS_DIV1 (0 << 0) ++#define ATMEL_LCDC_PS_DIV2 (1 << 0) ++#define ATMEL_LCDC_PS_DIV4 (2 << 0) ++#define ATMEL_LCDC_PS_DIV8 (3 << 0) ++#define ATMEL_LCDC_POL (1 << 2) /* Polarity of output Pulse */ ++#define ATMEL_LCDC_POL_NEGATIVE (0 << 2) ++#define ATMEL_LCDC_POL_POSITIVE (1 << 2) ++#define ATMEL_LCDC_ENA (1 << 3) /* PWM generator Control */ ++#define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3) ++#define ATMEL_LCDC_ENA_PWMENABLE (1 << 3) ++ ++#define ATMEL_LCDC_CONTRAST_VAL 0x0844 /* Contrast Value Register */ ++#define ATMEL_LCDC_CVAL (0xff) /* PWM compare value */ ++ ++#define ATMEL_LCDC_IER 0x0848 /* Interrupt Enable Register */ ++#define ATMEL_LCDC_IDR 0x084c /* Interrupt Disable Register */ ++#define ATMEL_LCDC_IMR 0x0850 /* Interrupt Mask Register */ ++#define ATMEL_LCDC_ISR 0x0854 /* Interrupt Status Register */ ++#define ATMEL_LCDC_ICR 0x0858 /* Interrupt Clear Register */ ++#define ATMEL_LCDC_LNI (1 << 0) /* Line Interrupt */ ++#define ATMEL_LCDC_LSTLNI (1 << 1) /* Last Line Interrupt */ ++#define ATMEL_LCDC_EOFI (1 << 2) /* DMA End Of Frame Interrupt */ ++#define ATMEL_LCDC_UFLWI (1 << 4) /* FIFO Underflow Interrupt */ ++#define ATMEL_LCDC_OWRI (1 << 5) /* FIFO Overwrite Interrupt */ ++#define ATMEL_LCDC_MERI (1 << 6) /* DMA Memory Error Interrupt */ ++ ++#define ATMEL_LCDC_LUT_(n) (0x0c00 + ((n)*4)) /* Palette Entry 0..255 */ ++ ++#endif /* __ATMEL_LCDC_H__ */ +diff -urN linux-2.6.20.4-0rig/MAINTAINERS linux-2.6.20.4-atmel/MAINTAINERS +--- linux-2.6.20.4-0rig/MAINTAINERS 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/MAINTAINERS 2007-03-24 16:43:49.000000000 +0100 +@@ -602,6 +602,11 @@ + M: hskinnemoen@atmel.com + S: Supported + ++ATMEL SPI DRIVER ++P: Haavard Skinnemoen ++M: hskinnemoen@atmel.com ++S: Supported ++ + ATMEL WIRELESS DRIVER + P: Simon Kelley + M: simon@thekelleys.org.uk +diff -urN linux-2.6.20.4-0rig/scripts/checkstack.pl linux-2.6.20.4-atmel/scripts/checkstack.pl +--- linux-2.6.20.4-0rig/scripts/checkstack.pl 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/scripts/checkstack.pl 2007-03-24 16:42:29.000000000 +0100 +@@ -12,6 +12,7 @@ + # sh64 port by Paul Mundt + # Random bits by Matt Mackall <mpm@selenic.com> + # M68k port by Geert Uytterhoeven and Andreas Schwab ++# AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com> + # + # Usage: + # objdump -d vmlinux | stackcheck.pl [arch] +@@ -37,6 +38,10 @@ + if ($arch eq 'arm') { + #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 + $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; ++ } elsif ($arch eq 'avr32') { ++ #8000008a: 20 1d sub sp,4 ++ #80000ca8: fa cd 05 b0 sub sp,sp,1456 ++ $re = qr/^.*sub.*sp.*,([0-9]{1,8})/o; + } elsif ($arch =~ /^i[3456]86$/) { + #c0105234: 81 ec ac 05 00 00 sub $0x5ac,%esp + $re = qr/^.*[as][du][db] \$(0x$x{1,8}),\%esp$/o; +diff -urN linux-2.6.20.4-0rig/sound/avr32/ac97c.c linux-2.6.20.4-atmel/sound/avr32/ac97c.c +--- linux-2.6.20.4-0rig/sound/avr32/ac97c.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/avr32/ac97c.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,1250 @@ ++/* ++ * Driver for the Atmel AC97 Controller ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include <linux/clk.h> ++#include <linux/delay.h> ++#include <linux/dma-mapping.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/mutex.h> ++ ++#include <sound/driver.h> ++#include <sound/core.h> ++#include <sound/initval.h> ++#include <sound/pcm.h> ++#include <sound/pcm_params.h> ++#include <sound/ac97_codec.h> ++#ifndef SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++#include <sound/memalloc.h> ++#endif ++ ++#include <asm/io.h> ++ ++#include "ac97c.h" ++ ++static DEFINE_MUTEX(opened_mutex); ++ ++/* module parameters */ ++static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; ++static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; ++static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; ++ ++module_param_array(index, int, NULL, 0444); ++MODULE_PARM_DESC(index, "Index value for AC97 controller"); ++module_param_array(id, charp, NULL, 0444); ++MODULE_PARM_DESC(id, "ID string for AC97 controller"); ++module_param_array(enable, bool, NULL, 0444); ++MODULE_PARM_DESC(enable, "Enable AC97 controller"); ++ ++#ifndef CONFIG_SND_ATMEL_AC97C_USE_PDC ++#include <asm/dma-controller.h> ++ ++struct atmel_ac97_dma_info { ++ struct dma_request_cyclic req_tx; ++ struct dma_request_cyclic req_rx; ++ unsigned short rx_periph_id; ++ unsigned short tx_periph_id; ++}; ++#endif ++ ++ ++typedef struct atmel_ac97 { ++ spinlock_t lock; ++ void __iomem *regs; ++ int period; ++ ++ snd_pcm_substream_t *playback_substream; ++ snd_pcm_substream_t *capture_substream; ++ snd_card_t *card; ++ snd_pcm_t *pcm; ++ ac97_t *ac97; ++ ac97_bus_t *ac97_bus; ++ int irq; ++ int opened; ++ u64 cur_format; ++ unsigned int cur_rate; ++ struct clk *mck; ++ struct platform_device *pdev; ++ struct atmel_ac97_dma_info dma; ++} atmel_ac97_t; ++#define get_chip(card) ((atmel_ac97_t *)(card)->private_data) ++ ++#define ac97c_writel(chip, reg, val) \ ++ __raw_writel((val), (chip)->regs + AC97C_##reg) ++#define ac97c_readl(chip, reg) \ ++ __raw_readl((chip)->regs + AC97C_##reg) ++ ++/* PCM part */ ++ ++static snd_pcm_hardware_t snd_atmel_ac97_playback_hw = { ++ .info = (SNDRV_PCM_INFO_INTERLEAVED ++ |SNDRV_PCM_INFO_MMAP ++ |SNDRV_PCM_INFO_MMAP_VALID ++ |SNDRV_PCM_INFO_BLOCK_TRANSFER ++ |SNDRV_PCM_INFO_JOINT_DUPLEX), ++ .formats = (SNDRV_PCM_FMTBIT_S16_BE|SNDRV_PCM_FMTBIT_S16_LE), ++ .rates = (SNDRV_PCM_RATE_CONTINUOUS), ++ .rate_min = 4000, ++ .rate_max = 48000, ++ .channels_min = 1, ++ .channels_max = 6, ++ .buffer_bytes_max = 64*1024, ++ .period_bytes_min = 512, ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ .period_bytes_max = 64*1024, ++#else ++ .period_bytes_max = 4095, ++#endif ++ .periods_min = 8, ++ .periods_max = 1024, ++}; ++ ++static snd_pcm_hardware_t snd_atmel_ac97_capture_hw = { ++ .info = (SNDRV_PCM_INFO_INTERLEAVED ++ |SNDRV_PCM_INFO_MMAP ++ |SNDRV_PCM_INFO_MMAP_VALID ++ |SNDRV_PCM_INFO_BLOCK_TRANSFER ++ |SNDRV_PCM_INFO_JOINT_DUPLEX), ++ .formats = (SNDRV_PCM_FMTBIT_S16_BE|SNDRV_PCM_FMTBIT_S16_LE), ++ .rates = (SNDRV_PCM_RATE_CONTINUOUS), ++ .rate_min = 4000, ++ .rate_max = 48000, ++ .channels_min = 1, ++ .channels_max = 2, ++ .buffer_bytes_max = 64*1024, ++ .period_bytes_min = 512, ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ .period_bytes_max = 64*1024, ++#else ++ .period_bytes_max = 4095, ++#endif ++ .periods_min = 8, ++ .periods_max = 1024, ++}; ++ ++/* Joint full duplex variables */ ++unsigned int hw_rates[1]; ++unsigned int hw_formats[1]; ++struct snd_pcm_hw_constraint_list hw_constraint_rates; ++struct snd_pcm_hw_constraint_list hw_constraint_formats; ++ ++/* ++ * PCM functions ++ */ ++static int ++snd_atmel_ac97_playback_open(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ ++ mutex_lock(&opened_mutex); ++ chip->opened++; ++ runtime->hw = snd_atmel_ac97_playback_hw; ++ if (chip->cur_rate) { ++ runtime->hw.rate_min = chip->cur_rate; ++ runtime->hw.rate_max = chip->cur_rate; ++ } ++ if (chip->cur_format) ++ runtime->hw.formats = (1ULL<<chip->cur_format); ++ mutex_unlock(&opened_mutex); ++ chip->playback_substream = substream; ++ chip->period = 0; ++ return 0; ++} ++ ++static int ++snd_atmel_ac97_capture_open(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ ++ mutex_lock(&opened_mutex); ++ chip->opened++; ++ runtime->hw = snd_atmel_ac97_capture_hw; ++ if (chip->cur_rate) { ++ runtime->hw.rate_min = chip->cur_rate; ++ runtime->hw.rate_max = chip->cur_rate; ++ } ++ if (chip->cur_format) ++ runtime->hw.formats = (1ULL<<chip->cur_format); ++ mutex_unlock(&opened_mutex); ++ chip->capture_substream = substream; ++ chip->period = 0; ++ return 0; ++} ++ ++static int snd_atmel_ac97_playback_close(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ mutex_lock(&opened_mutex); ++ chip->opened--; ++ if (!chip->opened) { ++ chip->cur_rate = 0; ++ chip->cur_format = 0; ++ } ++ mutex_unlock(&opened_mutex); ++ return 0; ++} ++ ++static int snd_atmel_ac97_capture_close(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ mutex_lock(&opened_mutex); ++ chip->opened--; ++ if (!chip->opened) { ++ chip->cur_rate = 0; ++ chip->cur_format = 0; ++ } ++ mutex_unlock(&opened_mutex); ++ return 0; ++} ++ ++static int snd_atmel_ac97_playback_hw_params(snd_pcm_substream_t *substream, ++ snd_pcm_hw_params_t *hw_params) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++#ifdef SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++ int err; ++ err = snd_pcm_lib_malloc_pages(substream, ++ params_buffer_bytes(hw_params)); ++ ++ if (err < 0) ++ return err; ++ ++ /* Set restrictions to params */ ++ mutex_lock(&opened_mutex); ++ chip->cur_rate = params_rate(hw_params); ++ chip->cur_format = params_format(hw_params); ++ mutex_unlock(&opened_mutex); ++ ++ return err; ++#else ++ int pg; ++ size_t size = params_buffer_bytes(hw_params); ++ struct snd_pcm_runtime *runtime; ++ struct snd_dma_buffer *dmab = NULL; ++ ++ substream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV; ++ snd_assert(substream != NULL, return -EINVAL); ++ runtime = substream->runtime; ++ snd_assert(runtime != NULL, return -EINVAL); ++ ++ /* Set restrictions to params */ ++ mutex_lock(&opened_mutex); ++ chip->cur_rate = params_rate(hw_params); ++ chip->cur_format = params_format(hw_params); ++ mutex_unlock(&opened_mutex); ++ ++ /* check if buffer is already allocated */ ++ if (runtime->dma_buffer_p) { ++ size_t size_previouse; ++ int pg_previouse; ++ ++ /* new buffer is smaler than previouse allocated buffer */ ++ if (runtime->dma_buffer_p->bytes >= size) { ++ runtime->dma_bytes = size; ++ return 0; /* don't change buffer size */ ++ } ++ ++ size_previouse = runtime->dma_buffer_p->bytes; ++ pg_previouse = get_order(size_previouse); ++ ++ dma_free_coherent(runtime->dma_buffer_p->dev.dev, ++ PAGE_SIZE << pg_previouse, ++ runtime->dma_buffer_p->area, ++ runtime->dma_buffer_p->addr); ++ ++ kfree(runtime->dma_buffer_p); ++ } ++ ++ dmab = kzalloc(sizeof(*dmab), GFP_KERNEL); ++ if (!dmab) ++ return -ENOMEM; ++ ++ dmab->dev = substream->dma_buffer.dev; ++ dmab->bytes = 0; ++ ++ pg = get_order(size); ++ ++ dmab->area = dma_alloc_coherent( ++ substream->dma_buffer.dev.dev, ++ PAGE_SIZE << pg, ++ (dma_addr_t *)&dmab->addr, ++ GFP_KERNEL); ++ ++ if (!dmab->area) { ++ kfree(dmab); ++ return -ENOMEM; ++ } ++ ++ dmab->bytes = size; ++ ++ snd_pcm_set_runtime_buffer(substream, dmab); ++ runtime->dma_bytes = size; ++ return 1; ++#endif ++} ++ ++static int snd_atmel_ac97_capture_hw_params(snd_pcm_substream_t *substream, ++ snd_pcm_hw_params_t *hw_params) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++#ifdef SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++ int err; ++ err = snd_pcm_lib_malloc_pages(substream, ++ params_buffer_bytes(hw_params)); ++ ++ if (err < 0) ++ return err; ++ ++ /* Set restrictions to params */ ++ mutex_lock(&opened_mutex); ++ chip->cur_rate = params_rate(hw_params); ++ chip->cur_format = params_format(hw_params); ++ mutex_unlock(&opened_mutex); ++ ++ return err; ++#else ++ int pg; ++ size_t size = params_buffer_bytes(hw_params); ++ struct snd_pcm_runtime *runtime; ++ struct snd_dma_buffer *dmab = NULL; ++ ++ substream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV; ++ snd_assert(substream != NULL, return -EINVAL); ++ runtime = substream->runtime; ++ snd_assert(runtime != NULL, return -EINVAL); ++ ++ /* Set restrictions to params */ ++ mutex_lock(&opened_mutex); ++ chip->cur_rate = params_rate(hw_params); ++ chip->cur_format = params_format(hw_params); ++ mutex_unlock(&opened_mutex); ++ ++ /* check if buffer is already allocated */ ++ if (runtime->dma_buffer_p) { ++ size_t size_previouse; ++ int pg_previouse; ++ ++ /* new buffer is smaler than previouse allocated buffer */ ++ if (runtime->dma_buffer_p->bytes >= size) { ++ runtime->dma_bytes = size; ++ return 0; /* don't change buffer size */ ++ } ++ ++ size_previouse = runtime->dma_buffer_p->bytes; ++ pg_previouse = get_order(size_previouse); ++ ++ dma_free_coherent(runtime->dma_buffer_p->dev.dev, ++ PAGE_SIZE << pg_previouse, ++ runtime->dma_buffer_p->area, ++ runtime->dma_buffer_p->addr); ++ ++ kfree(runtime->dma_buffer_p); ++ } ++ ++ dmab = kzalloc(sizeof(*dmab), GFP_KERNEL); ++ if (!dmab) ++ return -ENOMEM; ++ ++ dmab->dev = substream->dma_buffer.dev; ++ dmab->bytes = 0; ++ ++ pg = get_order(size); ++ ++ dmab->area = dma_alloc_coherent( ++ substream->dma_buffer.dev.dev, ++ PAGE_SIZE << pg, ++ (dma_addr_t *)&dmab->addr, ++ GFP_KERNEL); ++ ++ if (!dmab->area) { ++ kfree(dmab); ++ return -ENOMEM; ++ } ++ ++ dmab->bytes = size; ++ ++ snd_pcm_set_runtime_buffer(substream, dmab); ++ runtime->dma_bytes = size; ++ return 1; ++#endif ++} ++ ++static int snd_atmel_ac97_playback_hw_free(snd_pcm_substream_t *substream) ++{ ++#ifdef SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++ return snd_pcm_lib_free_pages(substream); ++#else ++ int pg; ++ struct snd_pcm_runtime *runtime; ++ struct snd_dma_buffer *dmab = NULL; ++ ++ snd_assert(substream != NULL, return -EINVAL); ++ runtime = substream->runtime; ++ snd_assert(runtime != NULL, return -EINVAL); ++ dmab = runtime->dma_buffer_p; ++ ++ if (!dmab) ++ return 0; ++ ++ if (!dmab->area) ++ return 0; ++ ++ pg = get_order(dmab->bytes); ++ dma_free_coherent(dmab->dev.dev, PAGE_SIZE << pg, dmab->area, dmab->addr); ++ kfree(runtime->dma_buffer_p); ++ snd_pcm_set_runtime_buffer(substream, NULL); ++ return 0; ++#endif ++} ++ ++static int snd_atmel_ac97_capture_hw_free(snd_pcm_substream_t *substream) ++{ ++ ++#ifdef SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++ return snd_pcm_lib_free_pages(substream); ++#else ++ int pg; ++ struct snd_pcm_runtime *runtime; ++ struct snd_dma_buffer *dmab = NULL; ++ ++ snd_assert(substream != NULL, return -EINVAL); ++ runtime = substream->runtime; ++ snd_assert(runtime != NULL, return -EINVAL); ++ dmab = runtime->dma_buffer_p; ++ ++ if (!dmab) ++ return 0; ++ ++ if (!dmab->area) ++ return 0; ++ ++ pg = get_order(dmab->bytes); ++ dma_free_coherent(dmab->dev.dev, PAGE_SIZE << pg, dmab->area, dmab->addr); ++ kfree(runtime->dma_buffer_p); ++ snd_pcm_set_runtime_buffer(substream, NULL); ++ return 0; ++#endif ++} ++ ++static int snd_atmel_ac97_playback_prepare(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ struct platform_device *pdev = chip->pdev; ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ int block_size = frames_to_bytes(runtime, runtime->period_size); ++ unsigned long word = 0; ++ unsigned long buffer_size = 0; ++ ++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr, ++ block_size * 2, DMA_TO_DEVICE); ++ ++ /* Assign slots to channels */ ++ switch (substream->runtime->channels) { ++ case 1: ++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A); ++ break; ++ case 2: ++ /* Assign Left and Right slot to Channel A */ ++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A) ++ | AC97C_CH_ASSIGN(PCM_RIGHT, A); ++ break; ++ default: ++ /* TODO: support more than two channels */ ++ return -EINVAL; ++ break; ++ } ++ ac97c_writel(chip, OCA, word); ++ ++ /* Configure sample format and size */ ++ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16; ++ ++ switch (runtime->format){ ++ case SNDRV_PCM_FORMAT_S16_LE: ++ word |= AC97C_CMR_CEM_LITTLE; ++ break; ++ case SNDRV_PCM_FORMAT_S16_BE: ++ default: ++ word &= ~AC97C_CMR_CEM_LITTLE; ++ break; ++ } ++ ++ ac97c_writel(chip, CAMR, word); ++ ++ /* Set variable rate if needed */ ++ if (runtime->rate != 48000) { ++ word = ac97c_readl(chip, MR); ++ word |= AC97C_MR_VRA; ++ ac97c_writel(chip, MR, word); ++ } else { ++ /* Clear Variable Rate Bit */ ++ word = ac97c_readl(chip, MR); ++ word &= ~AC97C_MR_VRA; ++ ac97c_writel(chip, MR, word); ++ } ++ ++ /* Set rate */ ++ snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ /* Initialize and start the PDC */ ++ ac97c_writel(chip, CATPR, runtime->dma_addr); ++ ac97c_writel(chip, CATCR, block_size / 4); ++ ac97c_writel(chip, CATNPR, runtime->dma_addr + block_size); ++ ac97c_writel(chip, CATNCR, block_size / 4); ++ ac97c_writel(chip, PTCR, PDC_PTCR_TXTEN); ++ /* Enable Channel A interrupts */ ++ ac97c_writel(chip, IER, AC97C_SR_CAEVT); ++#else ++ buffer_size = frames_to_bytes(runtime, runtime->period_size) * ++ runtime->periods; ++ ++ chip->dma.req_tx.buffer_size = buffer_size; ++ chip->dma.req_tx.periods = runtime->periods; ++ ++ BUG_ON(chip->dma.req_tx.buffer_size != ++ (chip->dma.req_tx.periods * ++ frames_to_bytes(runtime, runtime->period_size))); ++ ++ chip->dma.req_tx.buffer_start = runtime->dma_addr; ++ chip->dma.req_tx.data_reg = (dma_addr_t)(chip->regs + AC97C_CATHR + 2); ++ chip->dma.req_tx.periph_id = chip->dma.tx_periph_id; ++ chip->dma.req_tx.direction = DMA_DIR_MEM_TO_PERIPH; ++ chip->dma.req_tx.width = DMA_WIDTH_16BIT; ++ chip->dma.req_tx.dev_id = chip; ++#endif ++ ++ return 0; ++} ++ ++static int snd_atmel_ac97_capture_prepare(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ struct platform_device *pdev = chip->pdev; ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ int block_size = frames_to_bytes(runtime, runtime->period_size); ++ unsigned long word = 0; ++ unsigned long buffer_size = 0; ++ ++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr, ++ block_size * 2, DMA_FROM_DEVICE); ++ ++ /* Assign slots to channels */ ++ switch (substream->runtime->channels) { ++ case 1: ++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A); ++ break; ++ case 2: ++ /* Assign Left and Right slot to Channel A */ ++ word |= AC97C_CH_ASSIGN(PCM_LEFT, A) ++ | AC97C_CH_ASSIGN(PCM_RIGHT, A); ++ break; ++ default: ++ /* TODO: support more than two channels */ ++ return -EINVAL; ++ break; ++ } ++ ac97c_writel(chip, ICA, word); ++ ++ /* Configure sample format and size */ ++ word = AC97C_CMR_PDCEN | AC97C_CMR_SIZE_16; ++ ++ switch (runtime->format) { ++ case SNDRV_PCM_FORMAT_S16_LE: ++ word |= AC97C_CMR_CEM_LITTLE; ++ break; ++ case SNDRV_PCM_FORMAT_S16_BE: ++ default: ++ word &= ~(AC97C_CMR_CEM_LITTLE); ++ break; ++ } ++ ++ ac97c_writel(chip, CAMR, word); ++ ++ /* Set variable rate if needed */ ++ if (runtime->rate != 48000) { ++ word = ac97c_readl(chip, MR); ++ word |= AC97C_MR_VRA; ++ ac97c_writel(chip, MR, word); ++ } else { ++ /* Clear Variable Rate Bit */ ++ word = ac97c_readl(chip, MR); ++ word &= ~(AC97C_MR_VRA); ++ ac97c_writel(chip, MR, word); ++ } ++ ++ /* Set rate */ ++ snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ /* Initialize and start the PDC */ ++ ac97c_writel(chip, CARPR, runtime->dma_addr); ++ ac97c_writel(chip, CARCR, block_size / 4); ++ ac97c_writel(chip, CARNPR, runtime->dma_addr + block_size); ++ ac97c_writel(chip, CARNCR, block_size / 4); ++ ac97c_writel(chip, PTCR, PDC_PTCR_RXEN); ++ /* Enable Channel A interrupts */ ++ ac97c_writel(chip, IER, AC97C_SR_CAEVT); ++#else ++ buffer_size = frames_to_bytes(runtime, runtime->period_size) * ++ runtime->periods; ++ ++ chip->dma.req_rx.buffer_size = buffer_size; ++ chip->dma.req_rx.periods = runtime->periods; ++ ++ BUG_ON(chip->dma.req_rx.buffer_size != ++ (chip->dma.req_rx.periods * ++ frames_to_bytes(runtime, runtime->period_size))); ++ ++ chip->dma.req_rx.buffer_start = runtime->dma_addr; ++ chip->dma.req_rx.data_reg = (dma_addr_t)(chip->regs + AC97C_CARHR + 2); ++ chip->dma.req_rx.periph_id = chip->dma.rx_periph_id; ++ chip->dma.req_rx.direction = DMA_DIR_PERIPH_TO_MEM; ++ chip->dma.req_rx.width = DMA_WIDTH_16BIT; ++ chip->dma.req_rx.dev_id = chip; ++#endif ++ ++ return 0; ++} ++ ++static int snd_atmel_ac97_playback_trigger(snd_pcm_substream_t *substream, int cmd) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ unsigned long camr; ++ int flags, err = 0; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ camr = ac97c_readl(chip, CAMR); ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_START: ++ err = dma_prepare_request_cyclic(chip->dma.req_tx.req.dmac, ++ &chip->dma.req_tx); ++ dma_start_request(chip->dma.req_tx.req.dmac, ++ chip->dma.req_tx.req.channel); ++ camr |= (AC97C_CMR_CENA ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ |AC97C_CMR_TXRDY ++#endif ++ ); ++ break; ++ case SNDRV_PCM_TRIGGER_STOP: ++ err = dma_stop_request(chip->dma.req_tx.req.dmac, ++ chip->dma.req_tx.req.channel); ++ if (chip->opened <= 1) { ++ camr &= ~(AC97C_CMR_CENA ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ |AC97C_CMR_TXRDY ++#endif ++ ); ++ } ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ else { ++ camr &= ~(AC97C_CMR_TXRDY); ++ } ++#endif ++ break; ++ default: ++ err = -EINVAL; ++ break; ++ } ++ ++ ac97c_writel(chip, CAMR, camr); ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ return err; ++} ++ ++static int snd_atmel_ac97_capture_trigger(snd_pcm_substream_t *substream, int cmd) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ unsigned long camr; ++ int flags, err = 0; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ camr = ac97c_readl(chip, CAMR); ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_START: ++ err = dma_prepare_request_cyclic(chip->dma.req_rx.req.dmac, ++ &chip->dma.req_rx); ++ dma_start_request(chip->dma.req_rx.req.dmac, ++ chip->dma.req_rx.req.channel); ++ camr |= (AC97C_CMR_CENA ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ | AC97C_CMR_RXRDY ++#endif ++ ); ++ break; ++ case SNDRV_PCM_TRIGGER_STOP: ++ err = dma_stop_request(chip->dma.req_rx.req.dmac, ++ chip->dma.req_rx.req.channel); ++ mutex_lock(&opened_mutex); ++ if (chip->opened <= 1) { ++ camr &= ~(AC97C_CMR_CENA ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ | AC97C_CMR_RXRDY ++#endif ++ ); ++ } ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ else { ++ camr &= ~(AC97C_CSR_RXRDY); ++ } ++#endif ++ mutex_unlock(&opened_mutex); ++ break; ++ default: ++ err = -EINVAL; ++ break; ++ } ++ ++ ac97c_writel(chip, CAMR, camr); ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ return err; ++} ++ ++static snd_pcm_uframes_t snd_atmel_ac97_playback_pointer(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ snd_pcm_uframes_t pos; ++ unsigned long bytes; ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ bytes = ac97c_readl(chip, CATPR) - runtime->dma_addr; ++#else ++ bytes = (dma_get_current_pos ++ (chip->dma.req_tx.req.dmac, ++ chip->dma.req_tx.req.channel) - runtime->dma_addr); ++#endif ++ pos = bytes_to_frames(runtime, bytes); ++ if (pos >= runtime->buffer_size) ++ pos -= runtime->buffer_size; ++ ++ return pos; ++} ++ ++static snd_pcm_uframes_t snd_atmel_ac97_capture_pointer(snd_pcm_substream_t *substream) ++{ ++ atmel_ac97_t *chip = snd_pcm_substream_chip(substream); ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ snd_pcm_uframes_t pos; ++ unsigned long bytes; ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ bytes = ac97c_readl(chip, CARPR) - runtime->dma_addr; ++#else ++ bytes = (dma_get_current_pos ++ (chip->dma.req_rx.req.dmac,chip->dma.req_rx.req.channel) - ++ runtime->dma_addr); ++#endif ++ pos = bytes_to_frames(runtime, bytes); ++ if (pos >= runtime->buffer_size) ++ pos -= runtime->buffer_size; ++ ++ ++ return pos; ++} ++ ++static snd_pcm_ops_t atmel_ac97_playback_ops = { ++ .open = snd_atmel_ac97_playback_open, ++ .close = snd_atmel_ac97_playback_close, ++ .ioctl = snd_pcm_lib_ioctl, ++ .hw_params = snd_atmel_ac97_playback_hw_params, ++ .hw_free = snd_atmel_ac97_playback_hw_free, ++ .prepare = snd_atmel_ac97_playback_prepare, ++ .trigger = snd_atmel_ac97_playback_trigger, ++ .pointer = snd_atmel_ac97_playback_pointer, ++}; ++ ++static snd_pcm_ops_t atmel_ac97_capture_ops = { ++ .open = snd_atmel_ac97_capture_open, ++ .close = snd_atmel_ac97_capture_close, ++ .ioctl = snd_pcm_lib_ioctl, ++ .hw_params = snd_atmel_ac97_capture_hw_params, ++ .hw_free = snd_atmel_ac97_capture_hw_free, ++ .prepare = snd_atmel_ac97_capture_prepare, ++ .trigger = snd_atmel_ac97_capture_trigger, ++ .pointer = snd_atmel_ac97_capture_pointer, ++}; ++ ++static struct ac97_pcm atmel_ac97_pcm_defs[] __devinitdata = { ++ /* Playback */ ++ { ++ .exclusive = 1, ++ .r = { { ++ .slots = ((1 << AC97_SLOT_PCM_LEFT) ++ | (1 << AC97_SLOT_PCM_RIGHT) ++ | (1 << AC97_SLOT_PCM_CENTER) ++ | (1 << AC97_SLOT_PCM_SLEFT) ++ | (1 << AC97_SLOT_PCM_SRIGHT) ++ | (1 << AC97_SLOT_LFE)), ++ } } ++ }, ++ /* PCM in */ ++ { ++ .stream = 1, ++ .exclusive = 1, ++ .r = { { ++ .slots = ((1 << AC97_SLOT_PCM_LEFT) ++ | (1 << AC97_SLOT_PCM_RIGHT)), ++ } } ++ }, ++ /* Mic in */ ++ { ++ .stream = 1, ++ .exclusive = 1, ++ .r = { { ++ .slots = (1<<AC97_SLOT_MIC), ++ } } ++ }, ++}; ++ ++static int __devinit snd_atmel_ac97_pcm_new(atmel_ac97_t *chip) ++{ ++ snd_pcm_t *pcm; ++ int err; ++ ++ err = snd_ac97_pcm_assign(chip->ac97_bus, ++ ARRAY_SIZE(atmel_ac97_pcm_defs), ++ atmel_ac97_pcm_defs); ++ if (err) ++ return err; ++ ++ err = snd_pcm_new(chip->card, "Atmel-AC97", 0, 1, 1, &pcm); ++ if (err) ++ return err; ++ ++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, ++ &atmel_ac97_playback_ops); ++ ++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, ++ &atmel_ac97_capture_ops); ++ ++#ifdef SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, ++ &chip->pdev->dev, ++ 128 * 1024, 128 * 1024); ++#endif ++ ++ pcm->private_data = chip; ++ pcm->info_flags = 0; ++ strcpy(pcm->name, "Atmel-AC97"); ++ chip->pcm = pcm; ++ ++ return 0; ++} ++ ++/* Mixer part */ ++static int snd_atmel_ac97_mixer_new(atmel_ac97_t *chip) ++{ ++ int err; ++ ac97_template_t template; ++ ++ memset(&template, 0, sizeof(template)); ++ template.private_data = chip; ++ err = snd_ac97_mixer(chip->ac97_bus, &template, &chip->ac97); ++ ++ return err; ++} ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++static irqreturn_t snd_atmel_ac97_interrupt(int irq, void *dev_id, ++ struct pt_regs *regs) ++{ ++ atmel_ac97_t *chip = dev_id; ++ unsigned long status; ++ ++ status = ac97c_readl(chip, SR); ++ ++ if (status & AC97C_SR_CAEVT) { ++ snd_pcm_runtime_t *runtime; ++ int offset, next_period, block_size; ++ unsigned long casr; ++ ++ /* FIXME: separate playback from capture */ ++ runtime = chip->playback_substream->runtime; ++ block_size = frames_to_bytes(runtime, runtime->period_size); ++ ++ casr = ac97c_readl(chip, CASR); ++ ++ if (casr & AC97C_CSR_ENDTX) { ++ chip->period++; ++ if (chip->period == runtime->periods) ++ chip->period = 0; ++ next_period = chip->period + 1; ++ if (next_period == runtime->periods) ++ next_period = 0; ++ ++ offset = block_size * next_period; ++ ++ ac97c_writel(chip, CATNPR, ++ runtime->dma_addr + offset); ++ ac97c_writel(chip, CATNCR, block_size / 4); ++ ++ snd_pcm_period_elapsed(chip->playback_substream); ++ } ++ else if (casr & AC97C_CSR_ENDRX) { ++ chip->period++; ++ if (chip->period == runtime->periods) ++ chip->period = 0; ++ next_period = chip->period + 1; ++ if (next_period == runtime->periods) ++ next_period = 0; ++ ++ offset = block_size * next_period; ++ ++ ac97c_writel(chip, CARNPR, ++ runtime->dma_addr + offset); ++ ac97c_writel(chip, CARNCR, block_size / 4); ++ ++ snd_pcm_period_elapsed(chip->capture_substream); ++ } else { ++ snd_printk(KERN_INFO ++ "atmel-ac97: spurious interrupt, status = 0x%08lx\n", ++ (unsigned long)casr); ++ } ++ } else { ++ snd_printk(KERN_INFO ++ "atmel-ac97: spurious interrupt, status = 0x%08lx\n", ++ status); ++ } ++ ++ (volatile int)ac97c_readl(chip, SR); ++ ++ return IRQ_HANDLED; ++} ++ ++#else ++ ++static void atmel_ac97_error(struct dma_request *_req) ++{ ++ struct dma_request_cyclic *req = to_dma_request_cyclic(_req); ++ ++ printk(KERN_WARNING ++ "DMA Controller error, channel %d (AC97C)\n", ++ req->req.channel); ++} ++ ++static void atmel_ac97_block_complete(struct dma_request *_req) ++{ ++ struct dma_request_cyclic *req = to_dma_request_cyclic(_req); ++ atmel_ac97_t *chip = req->dev_id; ++ if (req->periph_id == chip->dma.tx_periph_id) ++ snd_pcm_period_elapsed(chip->playback_substream); ++ else ++ snd_pcm_period_elapsed(chip->capture_substream); ++} ++ ++#endif ++ ++/* CODEC part */ ++ ++static void snd_atmel_ac97_write(ac97_t *ac97, unsigned short reg, ++ unsigned short val) ++{ ++ atmel_ac97_t *chip = ac97->private_data; ++ unsigned long word; ++ int timeout = 40; ++ ++ word = (reg & 0x7f) << 16 | val; ++ ++ do { ++ if (ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) { ++ ac97c_writel(chip, COTHR, word); ++ return; ++ } ++ udelay(1); ++ } while (--timeout); ++ ++ snd_printk(KERN_WARNING "atmel-ac97: codec write timeout\n"); ++} ++ ++static unsigned short snd_atmel_ac97_read(ac97_t *ac97, ++ unsigned short reg) ++{ ++ atmel_ac97_t *chip = ac97->private_data; ++ unsigned long word; ++ int timeout = 40; ++ int write = 10; ++ ++ word = (0x80 | (reg & 0x7f)) << 16; ++ ++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0) ++ ac97c_readl(chip, CORHR); ++ ++retry_write: ++ timeout = 40; ++ ++ do { ++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_TXRDY) != 0) { ++ ac97c_writel(chip, COTHR, word); ++ goto read_reg; ++ } ++ mdelay(10); ++ } while (--timeout); ++ ++ if (!--write) ++ goto timed_out; ++ goto retry_write; ++ ++read_reg: ++ do { ++ if ((ac97c_readl(chip, COSR) & AC97C_CSR_RXRDY) != 0){ ++ unsigned short val = ac97c_readl(chip, CORHR); ++ return val; ++ } ++ mdelay(10); ++ } while (--timeout); ++ ++ if (!--write) ++ goto timed_out; ++ goto retry_write; ++ ++timed_out: ++ snd_printk(KERN_INFO "atmel-ac97: codec read timeout\n"); ++ return 0xffff; ++} ++ ++static void snd_atmel_ac97_reset(atmel_ac97_t *chip) ++{ ++ /* TODO: Perform hard reset of codec as well */ ++ ac97c_writel(chip, MR, AC97C_MR_WRST); ++ mdelay(1); ++ ac97c_writel(chip, MR, AC97C_MR_ENA); ++} ++ ++static void snd_atmel_ac97_destroy(snd_card_t *card) ++{ ++ atmel_ac97_t *chip = get_chip(card); ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ if (chip->irq != -1) ++ free_irq(chip->irq, chip); ++#endif ++ if (chip->regs) ++ iounmap(chip->regs); ++ ++ if (chip->mck) { ++ clk_disable(chip->mck); ++ clk_put(chip->mck); ++ } ++ ++#ifndef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ if (chip->dma.req_tx.req.dmac){ ++ dma_release_channel(chip->dma.req_tx.req.dmac, ++ chip->dma.req_tx.req.channel); ++ } ++ if (chip->dma.req_rx.req.dmac) { ++ dma_release_channel(chip->dma.req_rx.req.dmac, ++ chip->dma.req_rx.req.channel); ++ } ++#endif ++} ++ ++static int __devinit snd_atmel_ac97_create(snd_card_t *card, ++ struct platform_device *pdev) ++{ ++ static ac97_bus_ops_t ops = { ++ .write = snd_atmel_ac97_write, ++ .read = snd_atmel_ac97_read, ++ }; ++ atmel_ac97_t *chip = get_chip(card); ++ struct resource *regs; ++ struct clk *mck; ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ int irq; ++#endif ++ int err; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return irq; ++#endif ++ ++ mck = clk_get(&pdev->dev, "mck"); ++ if (IS_ERR(mck)) ++ return PTR_ERR(mck); ++ clk_enable(mck); ++ chip->mck = mck; ++ ++ card->private_free = snd_atmel_ac97_destroy; ++ ++ spin_lock_init(&chip->lock); ++ chip->card = card; ++ chip->pdev = pdev; ++ chip->irq = -1; ++ ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ err = request_irq(irq, snd_atmel_ac97_interrupt, 0, ++ "ac97", chip); ++ if (err) { ++ snd_printk("unable to request IRQ%d\n", irq); ++ return err; ++ } ++ chip->irq = irq; ++#endif ++ ++ chip->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!chip->regs) ++ return -ENOMEM; ++ ++ snd_card_set_dev(card, &pdev->dev); ++ ++ err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus); ++ ++ return err; ++} ++ ++static int __devinit snd_atmel_ac97_probe(struct platform_device *pdev) ++{ ++ static int dev; ++ snd_card_t *card; ++ atmel_ac97_t *chip; ++ int err; ++ int ch; ++ ++ if (dev >= SNDRV_CARDS) ++ return -ENODEV; ++ if (!enable[dev]) { ++ dev++; ++ return -ENOENT; ++ } ++ ++ err = -ENOMEM; ++ ++ mutex_init(&opened_mutex); ++ ++ card = snd_card_new(index[dev], id[dev], THIS_MODULE, ++ sizeof(atmel_ac97_t)); ++ if (!card) ++ goto out; ++ chip = get_chip(card); ++ ++ err = snd_atmel_ac97_create(card, pdev); ++ if (err) ++ goto out_free_card; ++ ++ snd_atmel_ac97_reset(chip); ++ ++ err = snd_atmel_ac97_mixer_new(chip); ++ if (err) ++ goto out_free_card; ++ ++ err = snd_atmel_ac97_pcm_new(chip); ++ if (err) ++ goto out_free_card; ++ ++#ifndef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ /* TODO: Get this information from the platform device */ ++ chip->dma.req_tx.req.dmac = find_dma_controller(0); ++ if (!chip->dma.req_tx.req.dmac) { ++ printk(KERN_ERR ++ "atmel-ac97c: No DMA controller for TX, aborting\n"); ++ goto out_free_card; ++ } ++ chip->dma.req_rx.req.dmac = find_dma_controller(0); ++ if (!chip->dma.req_rx.req.dmac) { ++ snd_printk(KERN_ERR ++ "atmel-ac97c: No DMA controller available for RX, aborting\n"); ++ goto out_free_card; ++ } ++ ++ chip->dma.rx_periph_id = 3; ++ chip->dma.tx_periph_id = 4; ++ ++ ch = dma_alloc_channel(chip->dma.req_tx.req.dmac); ++ if (ch < 0) { ++ printk(KERN_ERR ++ "atmel-ac97c: Unable to allocate TX DMA channel, aborting\n"); ++ goto out_free_card; ++ } ++ chip->dma.req_tx.req.channel = ch; ++ chip->dma.req_tx.width = DMA_WIDTH_16BIT; ++ chip->dma.req_tx.req.block_complete = atmel_ac97_block_complete; ++ chip->dma.req_tx.req.error = atmel_ac97_error; ++ ++ ch = dma_alloc_channel(chip->dma.req_rx.req.dmac); ++ if (ch < 0) { ++ snd_printk(KERN_ERR ++ "atmel-ac97c: Unable to allocate RX DMA channel, aborting\n"); ++ goto out_free_card; ++ } ++ chip->dma.req_rx.req.channel = ch; ++ chip->dma.req_rx.width = DMA_WIDTH_16BIT; ++ chip->dma.req_rx.req.block_complete = atmel_ac97_block_complete; ++ chip->dma.req_rx.req.error = atmel_ac97_error; ++#endif ++ ++ strcpy(card->driver, "ac97c"); ++ strcpy(card->shortname, "Atmel-AC97"); ++#ifdef CONFIG_SND_ATMEL_AC97C_USE_PDC ++ sprintf(card->longname, "Atmel AVR32 AC97 Controller at 0x%p, irq %i", ++ chip->regs, chip->irq); ++#else ++ sprintf(card->longname, "Atmel AVR32 AC97 Controller at 0x%p, dma rx %i and tx %i", ++ chip->regs, chip->dma.rx_periph_id, chip->dma.tx_periph_id); ++#endif ++ ++ err = snd_card_register(card); ++ if (err) ++ goto out_free_card; ++ ++ platform_set_drvdata(pdev, card); ++ dev++; ++ return 0; ++ ++out_free_card: ++ snd_card_free(card); ++out: ++ return err; ++} ++ ++static int __devexit snd_atmel_ac97_remove(struct platform_device *pdev) ++{ ++ snd_card_t *card = platform_get_drvdata(pdev); ++ ++ snd_card_free(card); ++ platform_set_drvdata(pdev, NULL); ++ return 0; ++} ++ ++static struct platform_driver atmel_ac97_driver = { ++ .probe = snd_atmel_ac97_probe, ++ .remove = __devexit_p(snd_atmel_ac97_remove), ++ .driver = { ++ .name = "ac97c", ++ }, ++}; ++ ++static int __init atmel_ac97_init(void) ++{ ++ return platform_driver_register(&atmel_ac97_driver); ++} ++ ++static void __exit atmel_ac97_exit(void) ++{ ++ platform_driver_unregister(&atmel_ac97_driver); ++} ++ ++module_init(atmel_ac97_init); ++module_exit(atmel_ac97_exit); ++ ++MODULE_LICENSE("GPL"); ++MODULE_DESCRIPTION("Driver for Atmel AC97 Controller"); ++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); +diff -urN linux-2.6.20.4-0rig/sound/avr32/ac97c.h linux-2.6.20.4-atmel/sound/avr32/ac97c.h +--- linux-2.6.20.4-0rig/sound/avr32/ac97c.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/avr32/ac97c.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,71 @@ ++/* ++ * Register definitions for the Atmel AC97 Controller. ++ * ++ * Copyright (C) 2005-2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __SOUND_AVR32_AC97C_H ++#define __SOUND_AVR32_AC97C_H ++ ++#define AC97C_MR 0x08 ++#define AC97C_ICA 0x10 ++#define AC97C_OCA 0x14 ++#define AC97C_CARHR 0x20 ++#define AC97C_CATHR 0x24 ++#define AC97C_CASR 0x28 ++#define AC97C_CAMR 0x2c ++#define AC97C_CBRHR 0x30 ++#define AC97C_CBTHR 0x34 ++#define AC97C_CBSR 0x38 ++#define AC97C_CBMR 0x3c ++#define AC97C_CORHR 0x40 ++#define AC97C_COTHR 0x44 ++#define AC97C_COSR 0x48 ++#define AC97C_COMR 0x4c ++#define AC97C_SR 0x50 ++#define AC97C_IER 0x54 ++#define AC97C_IDR 0x58 ++#define AC97C_IMR 0x5c ++#define AC97C_VERSION 0xfc ++ ++#define AC97C_CATPR PDC_TPR ++#define AC97C_CATCR PDC_TCR ++#define AC97C_CATNPR PDC_TNPR ++#define AC97C_CATNCR PDC_TNCR ++#define AC97C_CARPR PDC_RPR ++#define AC97C_CARCR PDC_RCR ++#define AC97C_CARNPR PDC_RNPR ++#define AC97C_CARNCR PDC_RNCR ++#define AC97C_PTCR PDC_PTCR ++ ++#define AC97C_MR_ENA (1 << 0) ++#define AC97C_MR_WRST (1 << 1) ++#define AC97C_MR_VRA (1 << 2) ++ ++#define AC97C_CSR_TXRDY (1 << 0) ++#define AC97C_CSR_UNRUN (1 << 2) ++#define AC97C_CSR_RXRDY (1 << 4) ++#define AC97C_CSR_ENDTX (1 << 10) ++#define AC97C_CSR_ENDRX (1 << 14) ++ ++#define AC97C_CMR_SIZE_20 (0 << 16) ++#define AC97C_CMR_SIZE_18 (1 << 16) ++#define AC97C_CMR_SIZE_16 (2 << 16) ++#define AC97C_CMR_SIZE_10 (3 << 16) ++#define AC97C_CMR_CEM_LITTLE (1 << 18) ++#define AC97C_CMR_CEM_BIG (0 << 18) ++#define AC97C_CMR_CENA (1 << 21) ++#define AC97C_CMR_PDCEN (1 << 22) ++ ++#define AC97C_SR_CAEVT (1 << 3) ++ ++#define AC97C_CH_ASSIGN(slot, channel) \ ++ (AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3))) ++#define AC97C_CHANNEL_NONE 0x0 ++#define AC97C_CHANNEL_A 0x1 ++#define AC97C_CHANNEL_B 0x2 ++ ++#endif /* __SOUND_AVR32_AC97C_H */ +diff -urN linux-2.6.20.4-0rig/sound/avr32/at73c213.c linux-2.6.20.4-atmel/sound/avr32/at73c213.c +--- linux-2.6.20.4-0rig/sound/avr32/at73c213.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/avr32/at73c213.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,1295 @@ ++/* ++ * Driver for the at73c213 16-bit stereo DAC on Atmel ATSTK1000 ++ * ++ * Copyright (C) 2006 Atmel Norway ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License as ++ * published by the Free Software Foundation; either version 2 of the ++ * License, or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA ++ * 02111-1307, USA. ++ * ++ * The full GNU General Public License is included in this ++ * distribution in the file called COPYING. ++ */ ++#undef DEBUG ++#include <linux/clk.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <linux/dma-mapping.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/kmod.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++ ++#include <sound/initval.h> ++#include <sound/driver.h> ++#include <sound/control.h> ++#include <sound/core.h> ++#include <sound/pcm.h> ++#ifndef SND_AT73C213_USE_ALSA_MALLOC_CALLS ++#include <sound/memalloc.h> ++#endif ++ ++#include <linux/spi/spi.h> ++ ++#include <asm/io.h> ++#include <asm/processor.h> ++ ++#include "at73c213.h" ++ ++/* module parameters */ ++static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; ++static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; ++static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; ++ ++/* Register defines */ ++#define PIOA_BASE 0xFFE02800 ++#define SSC0_BASE 0xFFE01C00 ++#define PM_BASE 0xFFF00000 ++ ++#define PM_CKSEL 0x04 ++#define PM_APBAMASK 0x10 ++#define PM_GCCTRL 0x60 ++ ++#define PIO_PER 0x00 ++#define PIO_PDR 0x04 ++#define PIO_PUER 0x64 ++#define PIO_ASR 0x70 ++#define PIO_BSR 0x74 ++ ++#define SSC_CMR 0x04 ++#define SSC_CR 0x00 ++#define SSC_TCMR 0x18 ++#define SSC_TFMR 0x1C ++ ++/* SSC register definitions */ ++#define SSC_CR 0x00 ++#define SSC_CMR 0x04 ++#define SSC_TCMR 0x18 ++#define SSC_TFMR 0x1C ++#define SSC_THR 0x24 ++#define SSC_SR 0x40 ++#define SSC_IER 0x44 ++#define SSC_IDR 0x48 ++#define SSC_IMR 0x4C ++ ++/* SSC fields definitions */ ++#define SSC_CR_TXEN 0x00000100 ++#define SSC_CR_TXDIS 0x00000200 ++#define SSC_CR_SWRST 0x00008000 ++ ++/* SSC interrupt definitions */ ++#define SSC0_IRQ 10 ++#define SSC_INT_ENDTX 0x00000004 ++#define SSC_INT_TXBUFE 0x00000008 ++ ++/* PDC register definitions */ ++#define PDC_RPR 0x100 ++#define PDC_RCR 0x104 ++#define PDC_TPR 0x108 ++#define PDC_TCR 0x10c ++#define PDC_RNPR 0x110 ++#define PDC_RNCR 0x114 ++#define PDC_TNPR 0x118 ++#define PDC_TNCR 0x11c ++#define PDC_PTCR 0x120 ++#define PDC_PTSR 0x124 ++ ++/* PDC fields definitions */ ++#define PDC_PTCR_RXTEN 0x0001 ++#define PDC_PTCR_RXTDIS 0x0002 ++#define PDC_PTCR_TXTEN 0x0100 ++#define PDC_PTCR_TXTDIS 0x0200 ++ ++static int bitrate; ++static int gclk_div; ++static int ssc_div; ++static int spi = 0; ++static int ssc = 1; ++ ++module_param(spi, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); ++MODULE_PARM_DESC(spi, "Which SPI interface to use to communicate with the at73c213"); ++module_param(ssc, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); ++MODULE_PARM_DESC(ssc, "Which SSC interface to use to communicate with the at73c213"); ++ ++/* Initial AT73C213 register values */ ++static unsigned char snd_at73c213_original_image[18] = ++{ ++ 0x00, /* 00 - CTRL */ ++ 0x05, /* 01 - LLIG */ ++ 0x05, /* 02 - RLIG */ ++ 0x08, /* 03 - LPMG */ ++ 0x08, /* 04 - RPMG */ ++ 0x00, /* 05 - LLOG */ ++ 0x00, /* 06 - RLOG */ ++ 0x22, /* 07 - OLC */ ++ 0x09, /* 08 - MC */ ++ 0x00, /* 09 - CSFC */ ++ 0x00, /* 0A - MISC */ ++ 0x00, /* 0B - */ ++ 0x00, /* 0C - PRECH */ ++ 0x05, /* 0D - AUXG */ ++ 0x00, /* 0E - */ ++ 0x00, /* 0F - */ ++ 0x00, /* 10 - RST */ ++ 0x00, /* 11 - PA_CTRL */ ++}; ++ ++/* chip-specific data */ ++struct snd_at73c213 { ++ snd_card_t *card; ++ snd_pcm_t *pcm; ++ snd_pcm_substream_t *substream; ++ int irq; ++ int period; ++ void __iomem *regs; ++ struct clk *ssc_clk; ++ struct spi_device *spi; ++ u8 spi_wbuffer[2]; ++ u8 spi_rbuffer[2]; ++ /* image of the SPI registers in AT73C213 */ ++ u8 image[18]; ++ spinlock_t lock; ++ struct platform_device *pdev; ++}; ++ ++#define get_chip(card) ((struct snd_at73c213 *)card->private_data) ++ ++static int ++snd_at73c213_write_reg(struct snd_at73c213 *chip, u8 reg, u8 val) ++{ ++ struct spi_message msg; ++ struct spi_transfer msg_xfer = { ++ .len = 2, ++ .cs_change = 0, ++ }; ++ ++ spi_message_init(&msg); ++ ++ chip->spi_wbuffer[0] = reg; ++ chip->spi_wbuffer[1] = val; ++ ++ msg_xfer.tx_buf = chip->spi_wbuffer; ++ msg_xfer.rx_buf = chip->spi_rbuffer; ++ spi_message_add_tail(&msg_xfer, &msg); ++ ++ return spi_sync(chip->spi, &msg); ++} ++ ++#define write_reg(_spi, reg, val) \ ++ do { \ ++ retval = snd_at73c213_write_reg(_spi, reg, val); \ ++ if (retval) \ ++ goto out; \ ++ } while (0) ++ ++static snd_pcm_hardware_t snd_at73c213_playback_hw = { ++ .info = SNDRV_PCM_INFO_INTERLEAVED | ++ SNDRV_PCM_INFO_BLOCK_TRANSFER, ++ .formats = SNDRV_PCM_FMTBIT_S16_BE, ++ .rates = SNDRV_PCM_RATE_CONTINUOUS, ++ .rate_min = 8000, /* This will be overwritten with bitrate */ ++ .rate_max = 50000, /* This will be overwritten with bitrate */ ++ .channels_min = 2, ++ .channels_max = 2, ++ .buffer_bytes_max = 64 * 1024 - 1, ++ .period_bytes_min = 512, ++ .period_bytes_max = 64 * 1024 - 1, ++ .periods_min = 4, ++ .periods_max = 1024, ++}; ++ ++/* calculate and set bitrate and divisions */ ++static int snd_at73c213_set_bitrate_and_div(void) ++{ ++ extern struct avr32_cpuinfo boot_cpu_data; ++ unsigned long pll0_hz, apba_hz; ++ unsigned long apba_realdiv, gclk_realdiv, ssc_realdiv, wanted_bitrate; ++ char cpusel, ahbsel, apbasel; ++ int regval; ++ ++ regval = __raw_readl((void __iomem *)PM_BASE + PM_CKSEL); ++ wanted_bitrate = 48000; ++ ++ cpusel = regval & 0x07; ++ ahbsel = (regval>>8) & 0x07; ++ apbasel = (regval>>16) & 0x07; ++ ++ /* FIXME: Use the clk framework for this */ ++ if ((regval&(1<<7)) != 0) { ++ pll0_hz = clk_get_rate(boot_cpu_data.clk)/(1<<(cpusel+1)); ++ } else { ++ pll0_hz = clk_get_rate(boot_cpu_data.clk); ++ } ++ ++ if ((regval&(1<<23)) != 0) { ++ apba_hz = pll0_hz/(1<<(apbasel+1)); ++ apba_realdiv = (1<<(apbasel+1)); ++ } else { ++ apba_hz = pll0_hz; ++ apba_realdiv = 1; ++ } ++ ++calculate: ++ /* Adjust bitrate as close as possible to 48000 Hz */ ++ gclk_realdiv = pll0_hz/(wanted_bitrate*256); ++ ssc_realdiv = 2 * apba_realdiv * gclk_realdiv; ++ ++ if ((gclk_realdiv % 2) == 0) ++ goto setbitrates; ++ ++ if(wanted_bitrate >= 22050 && wanted_bitrate <= 48000) ++ wanted_bitrate -= 50; ++ else if (wanted_bitrate < 22050) ++ wanted_bitrate = 48050; ++ else if (wanted_bitrate <= 50000) ++ wanted_bitrate += 50; ++ else { ++ printk(KERN_ERR "at73c213 could not set dividers for a valid bitrate\n"); ++ return -EINVAL; ++ } ++ ++ goto calculate; ++ ++setbitrates: ++ bitrate = pll0_hz/(gclk_realdiv*256); ++ gclk_div = (gclk_realdiv/2)-1; ++ ssc_realdiv = 2*apba_realdiv*gclk_realdiv; ++ ssc_div = ssc_realdiv/(2*apba_realdiv); ++ ++ printk(KERN_INFO "at73c213: bitrate is %d Hz\n", bitrate); ++ ++ return 0; ++} ++ ++/* open callback */ ++static int snd_at73c213_pcm_open(snd_pcm_substream_t *substream) ++{ ++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ ++ snd_at73c213_playback_hw.rate_min = bitrate; ++ snd_at73c213_playback_hw.rate_max = bitrate; ++ runtime->hw = snd_at73c213_playback_hw; ++ chip->substream = substream; ++ ++ return 0; ++} ++ ++/* close callback */ ++static int snd_at73c213_pcm_close(snd_pcm_substream_t *substream) ++{ ++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); ++ chip->substream = NULL; ++ return 0; ++} ++ ++/* hw_params callback */ ++static int snd_at73c213_pcm_hw_params(snd_pcm_substream_t *substream, ++ snd_pcm_hw_params_t *hw_params) ++{ ++#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS ++ return snd_pcm_lib_malloc_pages(substream, ++ params_buffer_bytes(hw_params)); ++#else ++ int pg; ++ size_t size = params_buffer_bytes(hw_params); ++ struct snd_pcm_runtime *runtime; ++ struct snd_dma_buffer *dmab = NULL; ++ ++ substream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV; ++ snd_assert(substream != NULL, return -EINVAL); ++ runtime = substream->runtime; ++ snd_assert(runtime != NULL, return -EINVAL); ++ ++ /* check if buffer is already allocated */ ++ if (runtime->dma_buffer_p) { ++ size_t size_previouse; ++ int pg_previouse; ++ ++ /* new buffer is smaler than previouse allocated buffer */ ++ if (runtime->dma_buffer_p->bytes >= size) { ++ runtime->dma_bytes = size; ++ return 0; /* don't change buffer size */ ++ } ++ ++ size_previouse = runtime->dma_buffer_p->bytes; ++ pg_previouse = get_order(size_previouse); ++ ++ dma_free_coherent(runtime->dma_buffer_p->dev.dev, ++ PAGE_SIZE << pg_previouse, ++ runtime->dma_buffer_p->area, ++ runtime->dma_buffer_p->addr); ++ ++ kfree(runtime->dma_buffer_p); ++ } ++ ++ dmab = kzalloc(sizeof(*dmab), GFP_KERNEL); ++ if (!dmab) ++ return -ENOMEM; ++ ++ dmab->dev = substream->dma_buffer.dev; ++ dmab->bytes = 0; ++ ++ pg = get_order(size); ++ ++ dmab->area = dma_alloc_coherent( ++ substream->dma_buffer.dev.dev, ++ PAGE_SIZE << pg, ++ (dma_addr_t *)&dmab->addr, ++ GFP_KERNEL); ++ ++ if (!dmab->area) { ++ kfree(dmab); ++ return -ENOMEM; ++ } ++ ++ dmab->bytes = size; ++ snd_pcm_set_runtime_buffer(substream, dmab); ++ runtime->dma_bytes = size; ++ return 1; ++#endif ++} ++ ++/* hw_free callback */ ++static int snd_at73c213_pcm_hw_free(snd_pcm_substream_t *substream) ++{ ++#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS ++ return snd_pcm_lib_free_pages(substream); ++#else ++ int pg; ++ struct snd_pcm_runtime *runtime; ++ struct snd_dma_buffer *dmab = NULL; ++ ++ snd_assert(substream != NULL, return -EINVAL); ++ runtime = substream->runtime; ++ snd_assert(runtime != NULL, return -EINVAL); ++ dmab = runtime->dma_buffer_p; ++ ++ if (!dmab) ++ return 0; ++ ++ if (!dmab->area) ++ return 0; ++ ++ pg = get_order(dmab->bytes); ++ dma_free_coherent(dmab->dev.dev, PAGE_SIZE << pg, dmab->area, dmab->addr); ++ kfree(runtime->dma_buffer_p); ++ snd_pcm_set_runtime_buffer(substream, NULL); ++ return 0; ++#endif ++} ++ ++/* prepare callback */ ++static int snd_at73c213_pcm_prepare(snd_pcm_substream_t *substream) ++{ ++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); ++ struct platform_device *pdev = chip->pdev; ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ int block_size; ++ ++ block_size = frames_to_bytes(runtime, runtime->period_size); ++ ++ chip->period = 0; ++ ++ /* Make sure that our data are actually readable by the SSC */ ++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr, ++ block_size, DMA_TO_DEVICE); ++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr + block_size, ++ block_size, DMA_TO_DEVICE); ++ ++ __raw_writel(runtime->dma_addr, chip->regs + PDC_TPR); ++ __raw_writel(runtime->period_size * 2, chip->regs + PDC_TCR); ++ __raw_writel(runtime->dma_addr + block_size, chip->regs + PDC_TNPR); ++ __raw_writel(runtime->period_size * 2, chip->regs + PDC_TNCR); ++ ++ return 0; ++} ++ ++/* trigger callback */ ++static int snd_at73c213_pcm_trigger(snd_pcm_substream_t *substream, ++ int cmd) ++{ ++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); ++ int retval = 0; ++ int flags = 0; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_START: ++ __raw_writel(SSC_INT_ENDTX, chip->regs + SSC_IER); ++ __raw_writel(PDC_PTCR_TXTEN, chip->regs + PDC_PTCR); ++ break; ++ case SNDRV_PCM_TRIGGER_STOP: ++ __raw_writel(PDC_PTCR_TXTDIS, chip->regs + PDC_PTCR); ++ __raw_writel(SSC_INT_ENDTX, chip->regs + SSC_IDR); ++ break; ++ default: ++ printk(KERN_WARNING "at73c213: spuriouse command %x\n", cmd); ++ retval = -EINVAL; ++ break; ++ } ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return retval; ++} ++ ++/* pointer callback */ ++static snd_pcm_uframes_t snd_at73c213_pcm_pointer(snd_pcm_substream_t *substream) ++{ ++ struct snd_at73c213 *chip = snd_pcm_substream_chip(substream); ++ snd_pcm_runtime_t *runtime = substream->runtime; ++ snd_pcm_uframes_t pos; ++ unsigned long bytes; ++ ++ bytes = __raw_readl(chip->regs + PDC_TPR) - runtime->dma_addr; ++ ++ pos = bytes_to_frames(runtime, bytes); ++ if (pos >= runtime->buffer_size) ++ pos -= runtime->buffer_size; ++ ++ return pos; ++} ++ ++/* operators */ ++static snd_pcm_ops_t at73c213_playback_ops = { ++ .open = snd_at73c213_pcm_open, ++ .close = snd_at73c213_pcm_close, ++ .ioctl = snd_pcm_lib_ioctl, ++ .hw_params = snd_at73c213_pcm_hw_params, ++ .hw_free = snd_at73c213_pcm_hw_free, ++ .prepare = snd_at73c213_pcm_prepare, ++ .trigger = snd_at73c213_pcm_trigger, ++ .pointer = snd_at73c213_pcm_pointer, ++}; ++ ++/* free a pcm device */ ++static void snd_at73c213_pcm_free(snd_pcm_t *pcm) ++{ ++ struct snd_at73c213 *chip = snd_pcm_chip(pcm); ++ if (chip->pcm != 0 ) { ++#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS ++ snd_pcm_lib_preallocate_free_for_all(chip->pcm); ++#endif ++ chip->pcm = NULL; ++ } ++} ++ ++/* create a new pcm device */ ++static int __devinit snd_at73c213_new_pcm(struct snd_at73c213 *chip, int device) ++{ ++ snd_pcm_t *pcm; ++ int retval; ++ ++ retval = snd_pcm_new(chip->card, chip->card->shortname, device, 1, 0, &pcm); ++ if (retval < 0) ++ return retval; ++ ++ pcm->private_data = chip; ++ pcm->private_free = snd_at73c213_pcm_free; ++ pcm->info_flags = SNDRV_PCM_INFO_BLOCK_TRANSFER; ++ strcpy(pcm->name, "at73c213"); ++ chip->pcm = pcm; ++ ++ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &at73c213_playback_ops); ++ ++#ifdef SND_AT73C213_USE_ALSA_MALLOC_CALLS ++ snd_pcm_lib_preallocate_pages_for_all(chip->pcm, SNDRV_DMA_TYPE_DEV, ++ &chip->pdev->dev, 64 * 1024, 64 * 1024); ++#endif ++ ++ return 0; ++} ++ ++static irqreturn_t snd_at73c213_interrupt(int irq, void *dev_id) ++{ ++ struct snd_at73c213 *chip = dev_id; ++ struct platform_device *pdev = chip->pdev; ++ snd_pcm_runtime_t *runtime = chip->substream->runtime; ++ u32 status; ++ int offset, next_period, block_size; ++ ++ spin_lock(&chip->lock); ++ ++ block_size = frames_to_bytes(runtime, runtime->period_size); ++ ++ status = __raw_readl(chip->regs + SSC_IMR); ++ ++ if (status & SSC_INT_ENDTX) { ++ chip->period++; ++ if (chip->period == runtime->periods) ++ chip->period = 0; ++ next_period = chip->period + 1; ++ if (next_period == runtime->periods) ++ next_period = 0; ++ ++ offset = block_size * next_period; ++ ++ /* Make sure that our data are actually readable by the SSC */ ++ dma_sync_single_for_device(&pdev->dev, runtime->dma_addr + offset, ++ block_size, DMA_TO_DEVICE); ++ __raw_writel(runtime->dma_addr + offset, chip->regs + PDC_TNPR); ++ __raw_writel(runtime->period_size * 2, chip->regs + PDC_TNCR); ++ ++ if (next_period == 0) { ++ (void)__raw_readl(chip->regs + PDC_TPR); ++ (void)__raw_readl(chip->regs + PDC_TCR); ++ } ++ } else { ++ printk(KERN_WARNING ++ "Spurious SSC interrupt, status = 0x%08lx\n", ++ (unsigned long)status); ++ __raw_writel(status, chip->regs + SSC_IDR); ++ } ++ ++ (void)__raw_readl(chip->regs + SSC_IMR); ++ spin_unlock(&chip->lock); ++ ++ if (status & SSC_INT_ENDTX) ++ snd_pcm_period_elapsed(chip->substream); ++ ++ return IRQ_HANDLED; ++} ++ ++/* ++ * Mixer functions ++ */ ++#if 0 /* Function not in use */ ++static int snd_at73c213_mono_info(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_info *uinfo) ++{ ++ unsigned long mask = (kcontrol->private_value >> 16) & 0xff; ++ ++ uinfo->type = (mask == 1) ? ++ SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; ++ uinfo->count = 1; ++ uinfo->value.integer.min = 0; ++ uinfo->value.integer.max = mask; ++ ++ return 0; ++} ++#endif ++ ++static int snd_at73c213_mono_get(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); ++ unsigned long flags; ++ int reg = kcontrol->private_value & 0xff; ++ int shift = (kcontrol->private_value >> 8) & 0xff; ++ int mask = (kcontrol->private_value >> 16) & 0xff; ++ int invert = (kcontrol->private_value >> 24) & 0xff; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; ++ ++ if (invert) ++ ucontrol->value.integer.value[0] = ++ (mask - ucontrol->value.integer.value[0]); ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return 0; ++} ++ ++static int snd_at73c213_mono_put(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); ++ unsigned long flags; ++ int reg = kcontrol->private_value & 0xff; ++ int shift = (kcontrol->private_value >> 8) & 0xff; ++ int mask = (kcontrol->private_value >> 16) & 0xff; ++ int invert = (kcontrol->private_value >> 24) & 0xff; ++ int change, retval; ++ unsigned short val; ++ ++ val = (ucontrol->value.integer.value[0] & mask); ++ if (invert) ++ val = mask - val; ++ val <<= shift; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ val = (chip->image[reg] & ~(mask << shift)) | val; ++ change = val != chip->image[reg]; ++ write_reg(chip, reg, val); ++ ++ chip->image[reg] = val; ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return change; ++ ++out: ++ return retval; ++} ++ ++static int snd_at73c213_stereo_info(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_info *uinfo) ++{ ++ int mask = (kcontrol->private_value >> 24) & 0xFF; ++ ++ uinfo->type = mask == 1 ? ++ SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; ++ uinfo->count = 2; ++ uinfo->value.integer.min = 0; ++ uinfo->value.integer.max = mask; ++ ++ return 0; ++} ++ ++static int snd_at73c213_stereo_get(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); ++ unsigned long flags; ++ int left_reg = kcontrol->private_value & 0xff; ++ int right_reg = (kcontrol->private_value >> 8) & 0xff; ++ int shift_left = (kcontrol->private_value >> 16) & 0x07; ++ int shift_right = (kcontrol->private_value >> 19) & 0x07; ++ int mask = (kcontrol->private_value >> 24) & 0xff; ++ int invert = (kcontrol->private_value >> 22) & 1; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ ucontrol->value.integer.value[0] = ++ (chip->image[left_reg] >> shift_left) & mask; ++ ucontrol->value.integer.value[1] = ++ (chip->image[right_reg] >> shift_right) & mask; ++ ++ if (invert) { ++ ucontrol->value.integer.value[0] = ++ (mask - ucontrol->value.integer.value[0]); ++ ucontrol->value.integer.value[1] = ++ (mask - ucontrol->value.integer.value[1]); ++ } ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return 0; ++} ++ ++static int snd_at73c213_stereo_put(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); ++ unsigned long flags; ++ int left_reg = kcontrol->private_value & 0xff; ++ int right_reg = (kcontrol->private_value >> 8) & 0xff; ++ int shift_left = (kcontrol->private_value >> 16) & 0x07; ++ int shift_right = (kcontrol->private_value >> 19) & 0x07; ++ int mask = (kcontrol->private_value >> 24) & 0xff; ++ int invert = (kcontrol->private_value >> 22) & 1; ++ int change, retval; ++ unsigned short val1, val2; ++ ++ val1 = ucontrol->value.integer.value[0] & mask; ++ val2 = ucontrol->value.integer.value[1] & mask; ++ if (invert) { ++ val1 = mask - val1; ++ val2 = mask - val2; ++ } ++ val1 <<= shift_left; ++ val2 <<= shift_right; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; ++ val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; ++ change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; ++ write_reg(chip, left_reg, val1); ++ write_reg(chip, right_reg, val2); ++ ++ chip->image[left_reg] = val1; ++ chip->image[right_reg] = val2; ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return change; ++ ++out: ++ return retval; ++} ++ ++static int snd_at73c213_mono_switch_info(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_info *uinfo) ++{ ++ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; ++ uinfo->count = 1; ++ uinfo->value.integer.min = 0; ++ uinfo->value.integer.max = 1; ++ ++ return 0; ++} ++ ++static int snd_at73c213_mono_switch_get(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); ++ unsigned long flags; ++ int reg = kcontrol->private_value & 0xff; ++ int shift = (kcontrol->private_value >> 8) & 0xff; ++ int invert = (kcontrol->private_value >> 24) & 0xff; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & 0x01; ++ ++ if (invert) ++ ucontrol->value.integer.value[0] = ++ (0x01 - ucontrol->value.integer.value[0]); ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return 0; ++} ++ ++static int snd_at73c213_mono_switch_put(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ struct snd_at73c213 *chip = snd_kcontrol_chip(kcontrol); ++ unsigned long flags; ++ int reg = kcontrol->private_value & 0xff; ++ int shift = (kcontrol->private_value >> 8) & 0xff; ++ int mask = (kcontrol->private_value >> 16) & 0xff; ++ int invert = (kcontrol->private_value >> 24) & 0xff; ++ int change, retval; ++ unsigned short val; ++ ++ if (ucontrol->value.integer.value[0]) ++ val = mask; ++ else ++ val = 0; ++ ++ if (invert) ++ val = mask - val; ++ val <<= shift; ++ ++ spin_lock_irqsave(&chip->lock, flags); ++ ++ val |= (chip->image[reg] & ~(mask << shift)); ++ change = val != chip->image[reg]; ++ ++ write_reg(chip, reg, val); ++ ++ chip->image[reg] = val; ++ ++ spin_unlock_irqrestore(&chip->lock, flags); ++ ++ return change; ++ ++out: ++ return retval; ++} ++ ++static int snd_at73c213_pa_volume_info(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_info *uinfo) ++{ ++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; ++ uinfo->count = 1; ++ uinfo->value.integer.min = 0; ++ uinfo->value.integer.max = ((kcontrol->private_value >> 16) & 0xFF) - 1; ++ ++ return 0; ++} ++ ++static int snd_at73c213_line_capture_volume_info( ++ struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_info *uinfo) ++{ ++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; ++ uinfo->count = 2; ++ uinfo->value.integer.min = 14; ++ uinfo->value.integer.max = 31; ++ ++ return 0; ++} ++ ++static int snd_at73c213_aux_capture_volume_info( ++ struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_info *uinfo) ++{ ++ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; ++ uinfo->count = 1; ++ uinfo->value.integer.min = 14; ++ uinfo->value.integer.max = 31; ++ ++ return 0; ++} ++ ++#define AT73C213_MONO(xname, xindex, reg, shift, mask, invert) \ ++{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ ++ .info = snd_at73c213_mono_info, \ ++ .get = snd_at73c213_mono_get, .put = snd_at73c213_mono_put, \ ++ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } ++ ++#define AT73C213_MONO_SWITCH(xname, xindex, reg, shift, mask, invert) \ ++{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ ++ .info = snd_at73c213_mono_switch_info, \ ++ .get = snd_at73c213_mono_switch_get, .put = snd_at73c213_mono_switch_put, \ ++ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } ++ ++#define AT73C213_STEREO(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ ++{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ ++ .info = snd_at73c213_stereo_info, \ ++ .get = snd_at73c213_stereo_get, .put = snd_at73c213_stereo_put, \ ++ .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } ++ ++static struct snd_kcontrol_new snd_at73c213_controls[] __devinitdata = { ++AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1F, 1), ++AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1), ++AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1F, 1), ++AT73C213_STEREO("PCM Playback Switch", 0, DAC_LLOG, DAC_RLOG, 5, 5, 1, 1), ++AT73C213_MONO_SWITCH("Mono PA Playback Switch", 0, DAC_CTRL, DAC_CTRL_ONPADRV, 0x01, 0), ++{ ++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, ++ .name = "PA Playback Volume", ++ .index = 0, ++ .info = snd_at73c213_pa_volume_info, ++ .get = snd_at73c213_mono_get, ++ .put = snd_at73c213_mono_put, ++ .private_value = PA_CTRL|(PA_CTRL_APAGAIN<<8)|(0x0F<<16)|(1<<24), ++}, ++AT73C213_MONO_SWITCH("PA High Gain Playback Switch", 0, PA_CTRL, PA_CTRL_APALP, 0x01, 1), ++AT73C213_MONO_SWITCH("PA Playback Switch", 0, PA_CTRL, PA_CTRL_APAON, 0x01, 0), ++{ ++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, ++ .name = "Aux Capture Volume", ++ .index = 0, ++ .info = snd_at73c213_aux_capture_volume_info, ++ .get = snd_at73c213_mono_get, ++ .put = snd_at73c213_mono_put, ++ .private_value = DAC_AUXG|(0<<8)|(0x1F<<16)|(1<<24), ++}, ++AT73C213_MONO_SWITCH("Aux Capture Switch", 0, DAC_CTRL, DAC_CTRL_ONAUXIN, 0x01, 0), ++{ ++ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, ++ .name = "Line Capture Volume", ++ .index = 0, ++ .info = snd_at73c213_line_capture_volume_info, ++ .get = snd_at73c213_stereo_get, ++ .put = snd_at73c213_stereo_put, ++ .private_value = DAC_LLIG|(DAC_RLIG<<8)|(0<<16)|(0<<19)|(0x1F<<24)|(1<<22), ++}, ++AT73C213_MONO_SWITCH("Line Capture Switch", 0, DAC_CTRL, 0, 0x03, 0), ++}; ++ ++static int __devinit snd_at73c213_mixer(struct snd_at73c213 *chip) ++{ ++ struct snd_card *card; ++ int errval, idx; ++ ++ if (chip == NULL || chip->pcm == NULL) ++ return -EINVAL; ++ ++ card = chip->card; ++ ++ strcpy(card->mixername, chip->pcm->name); ++ ++ for (idx = 0; idx < ARRAY_SIZE(snd_at73c213_controls); idx++) { ++ if ((errval = snd_ctl_add(card, ++ snd_ctl_new1(&snd_at73c213_controls[idx], ++ chip))) < 0) ++ return errval; ++ } ++ ++ return 0; ++} ++ ++/* ++ * Device functions ++ */ ++static int snd_at73c213_chip_init(struct snd_at73c213 *chip) ++{ ++ int retval; ++ unsigned char dac_ctrl = 0; ++ ++ /* XXX: Unmask the APB clock for SSC0 */ ++ __raw_writel(__raw_readl((void __iomem *)PM_BASE + PM_APBAMASK)|(1<<7), ++ (void __iomem *)PM_BASE + PM_APBAMASK); ++ ++ /* Wait for clock to be stable */ ++ msleep(10); ++ ++ retval = snd_at73c213_set_bitrate_and_div(); ++ if (retval) ++ goto out; ++ ++ /* Reset the SSC */ ++ __raw_writel(SSC_CR_SWRST, chip->regs + SSC_CR); ++ ++ /* Enable GCLK0 */ ++ __raw_writel((1<<30), (void __iomem *)(PIOA_BASE + PIO_PDR)); ++ __raw_writel((1<<30), (void __iomem *)(PIOA_BASE + PIO_ASR)); ++ __raw_writel(((gclk_div<<8)|0x10|0x04|0x02), (void __iomem *)(PM_BASE + PM_GCCTRL)); ++ ++ /* Enable SSC and setup for I2S */ ++ __raw_writel(ssc_div, chip->regs + SSC_CMR); ++ ++ /* CKO, START, STTDLY, PERIOD */ ++ __raw_writel((1<<2)|(4<<8)|(1<<16)|(15<<24), chip->regs + SSC_TCMR); ++ ++ /* DATLEN, MSBF, DATNB, FSLEN, FSOS */ ++ __raw_writel((15<<0)|(1<<7)|(1<<8)|(15<<16)|(1<<20), chip->regs + SSC_TFMR); ++ ++ /* Initialize at73c213 on SPI bus */ ++ /* Reset the device */ ++ write_reg(chip, DAC_RST, 0x04); ++ msleep(1); ++ write_reg(chip, DAC_RST, 0x03); ++ ++ /* Turn on precharge */ ++ write_reg(chip, DAC_PRECH, 0xFF); ++ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APAPRECH)); ++ write_reg(chip, DAC_CTRL, (1<<DAC_CTRL_ONLNOL)|(1<<DAC_CTRL_ONLNOR)); ++ ++ msleep(50); ++ ++ /* Stop precharging PA */ ++ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0F); ++ chip->image[PA_CTRL] = (1<<PA_CTRL_APALP)|0x0F; ++ ++ msleep(450); ++ ++ /* Stop precharging, turn on master power */ ++ write_reg(chip, DAC_PRECH, (1<<DAC_PRECH_ONMSTR)); ++ chip->image[DAC_PRECH] = (1<<DAC_PRECH_ONMSTR); ++ ++ msleep(1); ++ ++ /* Turn on DAC */ ++ dac_ctrl = (1<<DAC_CTRL_ONDACL)|(1<<DAC_CTRL_ONDACR)| ++ (1<<DAC_CTRL_ONLNOL)|(1<<DAC_CTRL_ONLNOR); ++ ++ write_reg(chip, DAC_CTRL, dac_ctrl); ++ chip->image[DAC_CTRL] = dac_ctrl; ++ ++ /* Mute sound */ ++ write_reg(chip, DAC_LMPG, 0x3F); ++ chip->image[DAC_LMPG] = 0x3F; ++ write_reg(chip, DAC_RMPG, 0x3F); ++ chip->image[DAC_RMPG] = 0x3F; ++ write_reg(chip, DAC_LLOG, 0x3F); ++ chip->image[DAC_LLOG] = 0x3F; ++ write_reg(chip, DAC_RLOG, 0x3F); ++ chip->image[DAC_RLOG] = 0x3F; ++ write_reg(chip, DAC_LLIG, 0x11); ++ chip->image[DAC_LLIG] = 0x11; ++ write_reg(chip, DAC_RLIG, 0x11); ++ chip->image[DAC_RLIG] = 0x11; ++ write_reg(chip, DAC_AUXG, 0x11); ++ chip->image[DAC_AUXG] = 0x11; ++ ++ /* Turn on SSC transmitter */ ++ __raw_writel(SSC_CR_TXEN, chip->regs + SSC_CR); ++ ++out: ++ return retval; ++} ++ ++static int snd_at73c213_dev_free(snd_device_t *device) ++{ ++ struct snd_at73c213 *chip = device->device_data; ++ ++ if (chip->regs) { ++ __raw_writel(SSC_CR_TXDIS, chip->regs + SSC_CR); ++ iounmap(chip->regs); ++ } ++ ++ if (chip->irq >= 0) ++ free_irq(chip->irq, chip); ++ ++ if (chip->ssc_clk) { ++ clk_disable(chip->ssc_clk); ++ clk_put(chip->ssc_clk); ++ } ++ ++ return 0; ++} ++ ++static int __devinit snd_at73c213_create(snd_card_t *card, ++ struct platform_device *pdev) ++{ ++ static snd_device_ops_t ops = { ++ .dev_free = snd_at73c213_dev_free, ++ }; ++ struct snd_at73c213 *chip = get_chip(card); ++ struct resource *regs; ++ struct clk *ssc_clk; ++ int irq, retval; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return irq; ++ ++ ssc_clk = clk_get(&pdev->dev, "mck"); ++ if (IS_ERR(ssc_clk)) ++ return PTR_ERR(ssc_clk); ++ clk_enable(ssc_clk); ++ chip->ssc_clk = ssc_clk; ++ ++ spin_lock_init(&chip->lock); ++ chip->card = card; ++ chip->pdev = pdev; ++ chip->irq = -1; ++ ++ retval = -ENOMEM; ++ ++ retval = spi_setup(chip->spi); ++ if (retval) ++ goto out; ++ ++ chip->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!chip->regs) ++ goto out; ++ ++ retval = request_irq(irq, snd_at73c213_interrupt, 0, "at73c213", chip); ++ if (retval) { ++ snd_printk("unable to request IRQ%d\n", irq); ++ goto out; ++ } ++ chip->irq = irq; ++ ++ memcpy(&chip->image, &snd_at73c213_original_image, ++ sizeof(snd_at73c213_original_image)); ++ ++ retval = snd_at73c213_chip_init(chip); ++ if (retval) ++ goto out; ++ ++ retval = snd_at73c213_new_pcm(chip, 0); ++ if (retval) ++ goto out; ++ ++ retval = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); ++ if (retval) ++ goto out; ++ ++ retval = snd_at73c213_mixer(chip); ++ if (retval) ++ goto out; ++ ++ snd_card_set_dev(card, &pdev->dev); ++ ++out: ++ return retval; ++} ++ ++static int __devinit snd_at73c213_probe(struct platform_device *pdev) ++{ ++ static int dev; ++ struct spi_board_info *binfo; ++ struct spi_master *smaster; ++ struct snd_at73c213 *chip; ++ snd_card_t *card; ++ int retval; ++ ++ if (dev >= SNDRV_CARDS) ++ return -ENODEV; ++ if (!enable[dev]) { ++ dev++; ++ return -ENOENT; ++ } ++ ++ if (spi < 0 || ssc < 0) ++ return -ENODEV; ++ ++ retval = -ENOMEM; ++ card = snd_card_new(index[dev], id[dev], THIS_MODULE, ++ sizeof(struct snd_at73c213)); ++ if (!card) ++ goto out; ++ ++ chip = card->private_data; ++ ++ retval = -ENODEV; ++ ++ /* Get the SPI bus */ ++ binfo = pdev->dev.platform_data; ++ if (!binfo) { ++ printk(KERN_WARNING "at73c213: could not get platform data\n"); ++ goto out; ++ } ++ ++ smaster = spi_busnum_to_master(spi); ++ if (!smaster) { ++ request_module("spi1"); ++ smaster = spi_busnum_to_master(spi); ++ if (!smaster) { ++ printk(KERN_WARNING ++ "at73c213: could not get " ++ "SPI bus %d, remembered to load " ++ "the spi_atmel module?\n", spi); ++ goto out; ++ } ++ } ++ ++ chip->spi = spi_new_device(smaster, binfo); ++ if (!chip->spi) { ++ printk(KERN_WARNING "at73c213: could not get SPI device %d\n", spi); ++ goto out; ++ } ++ ++ chip->spi->mode = SPI_MODE_1; ++ chip->spi->bits_per_word = 8; ++ ++ retval = snd_at73c213_create(card, pdev); ++ if (retval) ++ goto out_free_card; ++ ++ strcpy(card->driver, "at73c213"); ++ strcpy(card->shortname, "at73c213 (AVR32 STK1000)"); ++ sprintf(card->longname, "%s at %p (irq %i)", card->shortname, chip->regs, chip->irq); ++ ++ retval = snd_card_register(card); ++ if (retval) ++ goto out_free_card; ++ ++ platform_set_drvdata(pdev, card); ++ dev++; ++ return 0; ++ ++out_free_card: ++ snd_card_free(card); ++out: ++ return retval; ++} ++ ++static int __devexit snd_at73c213_remove(struct platform_device *pdev) ++{ ++ struct snd_card *card = platform_get_drvdata(pdev); ++ struct snd_at73c213 *chip = card->private_data; ++ int retval; ++ ++ /* Stop playback */ ++ __raw_writel(SSC_CR_TXDIS, chip->regs + SSC_CR); ++ ++ /* Stop GLCK0 */ ++ __raw_writel(0, (void __iomem *)PM_BASE + PM_GCCTRL); ++ ++ /* Mute sound */ ++ write_reg(chip, DAC_LMPG, 0x3F); ++ chip->image[DAC_LMPG] = 0x3F; ++ write_reg(chip, DAC_RMPG, 0x3F); ++ chip->image[DAC_RMPG] = 0x3F; ++ write_reg(chip, DAC_LLOG, 0x3F); ++ chip->image[DAC_LLOG] = 0x3F; ++ write_reg(chip, DAC_RLOG, 0x3F); ++ chip->image[DAC_RLOG] = 0x3F; ++ write_reg(chip, DAC_LLIG, 0x11); ++ chip->image[DAC_LLIG] = 0x11; ++ write_reg(chip, DAC_RLIG, 0x11); ++ chip->image[DAC_RLIG] = 0x11; ++ write_reg(chip, DAC_AUXG, 0x11); ++ chip->image[DAC_AUXG] = 0x11; ++ ++ /* Turn off PA */ ++ write_reg(chip, PA_CTRL, (chip->image[PA_CTRL]|0x0F)); ++ chip->image[PA_CTRL] |= 0x0F; ++ msleep(10); ++ write_reg(chip, PA_CTRL, (1<<PA_CTRL_APALP)|0x0F); ++ chip->image[PA_CTRL] = (1<<PA_CTRL_APALP)|0x0F; ++ ++ /* Turn off external DAC */ ++ write_reg(chip, DAC_CTRL, 0x0C); ++ chip->image[DAC_CTRL] = 0x0C; ++ msleep(2); ++ write_reg(chip, DAC_CTRL, 0x00); ++ chip->image[DAC_CTRL] = 0x00; ++ ++ /* Turn off master power */ ++ write_reg(chip, DAC_PRECH, 0x00); ++ chip->image[DAC_PRECH] = 0x00; ++ ++ msleep(10); ++ ++out: ++ if (chip->spi) ++ spi_unregister_device(chip->spi); ++ ++ if (card) { ++ snd_card_free(card); ++ platform_set_drvdata(pdev, NULL); ++ } ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++static int snd_at73c213_suspend(struct platform_device *pdev, pm_message_t state, u32 level) ++{ ++ struct snd_card *card = at32_get_drvdata(pdev); ++ struct snd_at73c213 *chip = card->private_data; ++ ++ printk(KERN_DEBUG "at73c213: suspending\n"); ++ ++ /* Stop SSC and GCLK0 */ ++ ++ spi_suspend(chip->spi, state); ++ ++ return 0; ++} ++ ++static int snd_at73c213_resume(struct platform_device *pdev, u32 level) ++{ ++ struct snd_card *card = at32_get_drvdata(pdev); ++ struct snd_at73c213 *chip = card->private_data; ++ ++ printk(KERN_DEBUG "at73c213: resuming\n"); ++ ++ /* Start GLCK0 and SSC */ ++ ++ spi_resume(chip->spi); ++ ++ return 0; ++} ++#endif /* CONFIG_PM */ ++ ++/* Driver core initialization */ ++static struct platform_driver at73c213_driver = { ++ .probe = snd_at73c213_probe, ++ .remove = __devexit_p(snd_at73c213_remove), ++ .driver = { ++ .name = "at73c213", ++ } ++#ifdef CONFIG_PM ++ .resume = snd_at73c213_resume, ++ .suspend = snd_at73c213_suspend, ++#endif ++}; ++ ++static int __init at73c213_init(void) ++{ ++ return platform_driver_register(&at73c213_driver); ++} ++ ++static void __exit at73c213_exit(void) ++{ ++ platform_driver_unregister(&at73c213_driver); ++} ++ ++MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>"); ++MODULE_DESCRIPTION("Sound driver for at73c213 on STK1000"); ++MODULE_LICENSE("GPL"); ++ ++module_init(at73c213_init); ++module_exit(at73c213_exit); ++ +diff -urN linux-2.6.20.4-0rig/sound/avr32/at73c213.h linux-2.6.20.4-atmel/sound/avr32/at73c213.h +--- linux-2.6.20.4-0rig/sound/avr32/at73c213.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/avr32/at73c213.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,120 @@ ++/* ++ * Driver for the AT73C213 16-bit stereo DAC on Atmel ATSTK1000 ++ * ++ * Copyright (C) 2006 Atmel Norway ++ * ++ * This program is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU General Public License as ++ * published by the Free Software Foundation; either version 2 of the ++ * License, or (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ++ * General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA ++ * 02111-1307, USA. ++ * ++ * The full GNU General Public License is included in this ++ * distribution in the file called COPYING. ++ */ ++ ++#ifndef _SND_AT73C213_MIXER_H_ ++#define _SND_AT73C213_MIXER_H_ ++ ++/* DAC control register */ ++#define DAC_CTRL 0x00 ++#define DAC_CTRL_ONPADRV 7 ++#define DAC_CTRL_ONAUXIN 6 ++#define DAC_CTRL_ONDACR 5 ++#define DAC_CTRL_ONDACL 4 ++#define DAC_CTRL_ONLNOR 3 ++#define DAC_CTRL_ONLNOL 2 ++#define DAC_CTRL_ONLNIR 1 ++#define DAC_CTRL_ONLNIL 0 ++ ++/* DAC left line in gain register */ ++#define DAC_LLIG 0x01 ++#define DAC_LLIG_LLIG 0 ++ ++/* DAC right line in gain register */ ++#define DAC_RLIG 0x02 ++#define DAC_RLIG_RLIG 0 ++ ++/* DAC Left Master Playback Gain Register */ ++#define DAC_LMPG 0x03 ++#define DAC_LMPG_LMPG 0 ++ ++/* DAC Right Master Playback Gain Register */ ++#define DAC_RMPG 0x04 ++#define DAC_RMPG_RMPG 0 ++ ++/* DAC Left Line Out Gain Register */ ++#define DAC_LLOG 0x05 ++#define DAC_LLOG_LLOG 0 ++ ++/* DAC Right Line Out Gain Register */ ++#define DAC_RLOG 0x06 ++#define DAC_RLOG_RLOG 0 ++ ++/* DAC Output Level Control Register */ ++#define DAC_OLC 0x07 ++#define DAC_OLC_RSHORT 7 ++#define DAC_OLC_ROLC 4 ++#define DAC_OLC_LSHORT 3 ++#define DAC_OLC_LOLC 0 ++ ++/* DAC Mixer Control Register */ ++#define DAC_MC 0x08 ++#define DAC_MC_INVR 5 ++#define DAC_MC_INVL 4 ++#define DAC_MC_RMSMIN2 3 ++#define DAC_MC_RMSMIN1 2 ++#define DAC_MC_LMSMIN2 1 ++#define DAC_MC_LMSMIN1 0 ++ ++/* DAC Clock and Sampling Frequency Control Register */ ++#define DAC_CSFC 0x09 ++#define DAC_CSFC_OVRSEL 4 ++ ++/* DAC Miscellaneous Register */ ++#define DAC_MISC 0x0A ++#define DAC_MISC_VCMCAPSEL 7 ++#define DAC_MISC_DINTSEL 4 ++#define DAC_MISC_DITHEN 3 ++#define DAC_MISC_DEEMPEN 2 ++#define DAC_MISC_NBITS 0 ++ ++/* DAC Precharge Control Register */ ++#define DAC_PRECH 0x0C ++#define DAC_PRECH_PRCHGPDRV 7 ++#define DAC_PRECH_PRCHGAUX1 6 ++#define DAC_PRECH_PRCHGLNOR 5 ++#define DAC_PRECH_PRCHGLNOL 4 ++#define DAC_PRECH_PRCHGLNIR 3 ++#define DAC_PRECH_PRCHGLNIL 2 ++#define DAC_PRECH_PRCHG 1 ++#define DAC_PRECH_ONMSTR 0 ++ ++/* DAC Auxiliary Input Gain Control Register */ ++#define DAC_AUXG 0x0D ++#define DAC_AUXG_AUXG 0 ++ ++/* DAC Reset Register */ ++#define DAC_RST 0x10 ++#define DAC_RST_RESMASK 2 ++#define DAC_RST_RESFILZ 1 ++#define DAC_RST_RSTZ 0 ++ ++/* Power Amplifier Control Register */ ++#define PA_CTRL 0x11 ++#define PA_CTRL_APAON 6 ++#define PA_CTRL_APAPRECH 5 ++#define PA_CTRL_APALP 4 ++#define PA_CTRL_APAGAIN 0 ++ ++#endif ++ +diff -urN linux-2.6.20.4-0rig/sound/avr32/Kconfig linux-2.6.20.4-atmel/sound/avr32/Kconfig +--- linux-2.6.20.4-0rig/sound/avr32/Kconfig 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/avr32/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,51 @@ ++# ALSA AVR32 drivers ++ ++menu "ALSA AVR32 devices" ++ depends on SND != n && AVR32 ++ ++config SND_ATMEL_AC97 ++ tristate "Atmel AC97 Controller Driver" ++ depends on SND ++ select SND_PCM ++ select SND_AC97_CODEC ++ help ++ ALSA sound driver for the Atmel AC97 controller. ++ ++config SND_ATMEL_AC97_USE_ALSA_MALLOC_CALLS ++ bool "Use the built-in malloc calls in the alsa driver" ++ default n ++ depends on SND_ATMEL_AC97 ++ help ++ Say Y if the built-in malloc calls in the alsa driver should be ++ used instead of the native dma_alloc_coherent and dma_free_coherent ++ function calls. Enabling this feature may break the rmmod feature. ++ ++config SND_ATMEL_AC97C_USE_PDC ++ bool "Use PDC for DMA transfers to/from the Atmel AC97 Controller" ++ default n ++ depends on SND_ATMEL_AC97 ++ help ++ Say Y if PDC (Peripheral DMA Controller) is used for DMA transfers ++ to/from the Atmel AC97C instead of using the generic DMA framework. ++ ++config SND_AT73C213 ++ tristate "Atmel AT73C213 DAC driver" ++ depends on SND && SPI_ATMEL ++ select SND_PCM ++ help ++ Say Y here if you want to use the Atmel AT73C213 external ++ DAC on the ATSTK1000 development board. ++ ++ To compile this driver as a module, choose M here: the ++ module will be called snd-at73c213. ++ ++config SND_AT73C213_USE_ALSA_MALLOC_CALLS ++ bool "Use the built-in malloc calls in the alsa driver" ++ default n ++ depends on SND_AT73C213 ++ help ++ Say Y if the built-in malloc calls in the alsa driver should be ++ used instead of the native dma_alloc_coherent and dma_free_coherent ++ function calls. Enabling this feature may brake the rmmod feature. ++ ++endmenu +diff -urN linux-2.6.20.4-0rig/sound/avr32/Makefile linux-2.6.20.4-atmel/sound/avr32/Makefile +--- linux-2.6.20.4-0rig/sound/avr32/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/avr32/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,9 @@ ++# ++# Makefile for ALSA ++# ++ ++snd-atmel-ac97-objs := ac97c.o ++obj-$(CONFIG_SND_ATMEL_AC97) += snd-atmel-ac97.o ++ ++snd-at73c213-objs := at73c213.o ++obj-$(CONFIG_SND_AT73C213) += snd-at73c213.o +diff -urN linux-2.6.20.4-0rig/sound/Kconfig linux-2.6.20.4-atmel/sound/Kconfig +--- linux-2.6.20.4-0rig/sound/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -62,6 +62,8 @@ + + source "sound/arm/Kconfig" + ++source "sound/avr32/Kconfig" ++ + source "sound/mips/Kconfig" + + # the following will depend on the order of config. +diff -urN linux-2.6.20.4-0rig/sound/Makefile linux-2.6.20.4-atmel/sound/Makefile +--- linux-2.6.20.4-0rig/sound/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -6,6 +6,7 @@ + obj-$(CONFIG_SOUND_PRIME) += oss/ + obj-$(CONFIG_DMASOUND) += oss/ + obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ synth/ usb/ sparc/ parisc/ pcmcia/ mips/ ++obj-$(CONFIG_SND) += avr32/ + obj-$(CONFIG_SND_AOA) += aoa/ + + # This one must be compilable even if sound is configured out +diff -urN linux-2.6.20.4-0rig/sound/oss/at32dac.c linux-2.6.20.4-atmel/sound/oss/at32dac.c +--- linux-2.6.20.4-0rig/sound/oss/at32dac.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/oss/at32dac.c 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,720 @@ ++/* ++ * OSS Sound Driver for the Atmel AT32 on-chip DAC. ++ * ++ * Copyright (C) 2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#include <linux/clk.h> ++#include <linux/dma-mapping.h> ++#include <linux/fs.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/sound.h> ++#include <linux/soundcard.h> ++ ++#include <asm/byteorder.h> ++#include <asm/dma-controller.h> ++#include <asm/io.h> ++#include <asm/uaccess.h> ++ ++/* We want to use the "bizarre" swap-bytes-in-each-halfword macro */ ++#include <linux/byteorder/swabb.h> ++ ++#include "at32dac.h" ++ ++#define DMA_BUFFER_SIZE 32768 ++#define DMA_PERIOD_SHIFT 10 ++#define DMA_PERIOD_SIZE (1 << DMA_PERIOD_SHIFT) ++#define DMA_WRITE_THRESHOLD DMA_PERIOD_SIZE ++ ++struct sound_settings { ++ unsigned int format; ++ unsigned int channels; ++ unsigned int sample_rate; ++ /* log2(bytes per sample) */ ++ unsigned int input_order; ++}; ++ ++struct at32_dac { ++ spinlock_t lock; ++ void __iomem *regs; ++ ++ /* head and tail refer to number of words */ ++ struct { ++ u32 *buf; ++ int head; ++ int tail; ++ } dma; ++ ++ struct semaphore sem; ++ wait_queue_head_t write_wait; ++ ++ /* ++ * Read at most ucount bytes from ubuf, translate to 2-channel ++ * signed 16-bit big endian format and write to the DMA buffer ++ * as long as there is room left. Return the number of bytes ++ * successfully copied from ubuf, or -EFAULT if the first ++ * sample from ubuf couldn't be read. This function is not ++ * called unless there is room for at least one sample (4 ++ * bytes) in the DMA buffer. ++ */ ++ ssize_t (*trans)(struct at32_dac *dac, const char __user *ubuf, ++ size_t ucount); ++ ++ struct sound_settings dsp_settings; ++ struct dma_request_cyclic req; ++ ++ struct clk *mck; ++ struct clk *sample_clk; ++ struct platform_device *pdev; ++ int busy; ++ int playing; ++ int dev_dsp; ++}; ++static struct at32_dac *the_dac; ++ ++static inline unsigned int at32dac_get_head(struct at32_dac *dac) ++{ ++ return dac->dma.head & ((DMA_BUFFER_SIZE / 4) - 1); ++} ++ ++static inline unsigned int at32dac_get_tail(struct at32_dac *dac) ++{ ++ return dac->dma.tail & ((DMA_BUFFER_SIZE / 4) - 1); ++} ++ ++static inline unsigned int at32dac_dma_space(struct at32_dac *dac) ++{ ++ unsigned int space; ++ ++ space = ((dac->dma.tail - dac->dma.head - 1) ++ & ((DMA_BUFFER_SIZE / 4) - 1)); ++ return space; ++} ++ ++static void at32dac_update_dma_tail(struct at32_dac *dac) ++{ ++ dma_addr_t dma_addr; ++ unsigned int new_tail; ++ ++ if (dac->playing) { ++ dma_addr = dma_get_current_pos(dac->req.req.dmac, ++ dac->req.req.channel); ++ new_tail = (dma_addr - dac->req.buffer_start) / 4; ++ if (new_tail >= dac->dma.head ++ && (dac->dma.tail < dac->dma.head ++ || dac->dma.tail > new_tail)) ++ printk(KERN_NOTICE "at32dac: underrun\n"); ++ dac->dma.tail = new_tail; ++ pr_debug("update tail: 0x%x - 0x%x = %u\n", ++ dma_addr, dac->req.buffer_start, dac->dma.tail); ++ } ++} ++ ++static int at32dac_start(struct at32_dac *dac) ++{ ++ int ret; ++ ++ if (dac->playing) ++ return 0; ++ ++ memset(dac->dma.buf, 0, DMA_BUFFER_SIZE); ++ ++ clk_enable(dac->sample_clk); ++ ++ ret = dma_prepare_request_cyclic(dac->req.req.dmac, &dac->req); ++ if (ret) ++ goto out_stop_clock; ++ ++ pr_debug("Starting DMA...\n"); ++ ret = dma_start_request(dac->req.req.dmac, dac->req.req.channel); ++ if (ret) ++ goto out_stop_request; ++ ++ dac_writel(dac, CTRL, DAC_BIT(EN)); ++ dac->playing = 1; ++ ++ return 0; ++ ++out_stop_request: ++ dma_stop_request(dac->req.req.dmac, ++ dac->req.req.channel); ++out_stop_clock: ++ clk_disable(dac->sample_clk); ++ return ret; ++} ++ ++static int at32dac_stop(struct at32_dac *dac) ++{ ++ if (dac->playing) { ++ dma_stop_request(dac->req.req.dmac, dac->req.req.channel); ++ dac_writel(dac, DATA, 0); ++ dac_writel(dac, CTRL, 0); ++ dac->playing = 0; ++ clk_disable(dac->sample_clk); ++ } ++ ++ return 0; ++} ++ ++static int at32dac_dma_prepare(struct at32_dac *dac) ++{ ++ dac->dma.buf = dma_alloc_coherent(&dac->pdev->dev, DMA_BUFFER_SIZE, ++ &dac->req.buffer_start, GFP_KERNEL); ++ if (!dac->dma.buf) ++ return -ENOMEM; ++ ++ dac->dma.head = dac->dma.tail = 0; ++ dac->req.periods = DMA_BUFFER_SIZE / DMA_PERIOD_SIZE; ++ dac->req.buffer_size = DMA_BUFFER_SIZE; ++ ++ return 0; ++} ++ ++static void at32dac_dma_cleanup(struct at32_dac *dac) ++{ ++ if (dac->dma.buf) ++ dma_free_coherent(&dac->pdev->dev, DMA_BUFFER_SIZE, ++ dac->dma.buf, dac->req.buffer_start); ++ dac->dma.buf = NULL; ++} ++ ++static void at32dac_dma_block_complete(struct dma_request *req) ++{ ++ struct dma_request_cyclic *creq = to_dma_request_cyclic(req); ++ struct at32_dac *dac = container_of(creq, struct at32_dac, req); ++ ++ wake_up(&dac->write_wait); ++} ++ ++static void at32dac_dma_error(struct dma_request *req) ++{ ++ printk(KERN_ERR "at32dac: DMA error\n"); ++} ++ ++static irqreturn_t at32dac_interrupt(int irq, void *dev_id) ++{ ++ struct at32_dac *dac = dev_id; ++ u32 status; ++ ++ status = dac_readl(dac, INT_STATUS); ++ if (status & DAC_BIT(UNDERRUN)) { ++ printk(KERN_ERR "at32dac: Underrun detected\n"); ++ dac_writel(dac, INT_CLR, DAC_BIT(UNDERRUN)); ++ } else { ++ printk(KERN_ERR "at32dac: Spurious interrupt: status=0x%x\n", ++ status); ++ dac_writel(dac, INT_CLR, status); ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++static ssize_t trans_s16be(struct at32_dac *dac, const char __user *ubuf, ++ size_t ucount) ++{ ++ ssize_t ret; ++ ++ if (dac->dsp_settings.channels == 2) { ++ const u32 __user *up = (const u32 __user *)ubuf; ++ u32 sample; ++ ++ for (ret = 0; ret < (ssize_t)(ucount - 3); ret += 4) { ++ if (!at32dac_dma_space(dac)) ++ break; ++ ++ if (unlikely(__get_user(sample, up++))) { ++ if (ret == 0) ++ ret = -EFAULT; ++ break; ++ } ++ dac->dma.buf[at32dac_get_head(dac)] = sample; ++ dac->dma.head++; ++ } ++ } else { ++ const u16 __user *up = (const u16 __user *)ubuf; ++ u16 sample; ++ ++ for (ret = 0; ret < (ssize_t)(ucount - 1); ret += 2) { ++ if (!at32dac_dma_space(dac)) ++ break; ++ ++ if (unlikely(__get_user(sample, up++))) { ++ if (ret == 0) ++ ret = -EFAULT; ++ break; ++ } ++ dac->dma.buf[at32dac_get_head(dac)] ++ = (sample << 16) | sample; ++ dac->dma.head++; ++ } ++ } ++ ++ return ret; ++} ++ ++static ssize_t trans_s16le(struct at32_dac *dac, const char __user *ubuf, ++ size_t ucount) ++{ ++ ssize_t ret; ++ ++ if (dac->dsp_settings.channels == 2) { ++ const u32 __user *up = (const u32 __user *)ubuf; ++ u32 sample; ++ ++ for (ret = 0; ret < (ssize_t)(ucount - 3); ret += 4) { ++ if (!at32dac_dma_space(dac)) ++ break; ++ ++ if (unlikely(__get_user(sample, up++))) { ++ if (ret == 0) ++ ret = -EFAULT; ++ break; ++ } ++ /* Swap bytes in each halfword */ ++ dac->dma.buf[at32dac_get_head(dac)] = swahb32(sample); ++ dac->dma.head++; ++ } ++ } else { ++ const u16 __user *up = (const u16 __user *)ubuf; ++ u16 sample; ++ ++ for (ret = 0; ret < (ssize_t)(ucount - 1); ret += 2) { ++ if (!at32dac_dma_space(dac)) ++ break; ++ ++ if (unlikely(__get_user(sample, up++))) { ++ if (ret == 0) ++ ret = -EFAULT; ++ break; ++ } ++ sample = swab16(sample); ++ dac->dma.buf[at32dac_get_head(dac)] ++ = (sample << 16) | sample; ++ dac->dma.head++; ++ } ++ } ++ ++ return ret; ++} ++ ++static ssize_t at32dac_dma_translate_from_user(struct at32_dac *dac, ++ const char __user *buffer, ++ size_t count) ++{ ++ /* At least one buffer must be available at this point */ ++ pr_debug("at32dac: Copying %zu bytes from user...\n", count); ++ ++ return dac->trans(dac, buffer, count); ++} ++ ++static int at32dac_set_format(struct at32_dac *dac, int format) ++{ ++ unsigned int order; ++ ++ switch (format) { ++ case AFMT_S16_BE: ++ order = 1; ++ dac->trans = trans_s16be; ++ break; ++ case AFMT_S16_LE: ++ order = 1; ++ dac->trans = trans_s16le; ++ break; ++ default: ++ printk("at32dac: Unsupported format: %d\n", format); ++ return -EINVAL; ++ } ++ ++ if (dac->dsp_settings.channels == 2) ++ order++; ++ ++ dac->dsp_settings.input_order = order; ++ dac->dsp_settings.format = format; ++ return 0; ++} ++ ++static int at32dac_set_sample_rate(struct at32_dac *dac, unsigned long rate) ++{ ++ unsigned long new_rate; ++ int ret; ++ ++ ret = clk_set_rate(dac->sample_clk, 256 * rate); ++ if (ret < 0) ++ return ret; ++ ++ /* TODO: mplayer seems to have a problem with this */ ++#if 0 ++ new_rate = clk_get_rate(dac->sample_clk); ++ dac->dsp_settings.sample_rate = new_rate / 256; ++#else ++ dac->dsp_settings.sample_rate = rate; ++#endif ++ ++ return 0; ++} ++ ++static ssize_t at32dac_dsp_write(struct file *file, ++ const char __user *buffer, ++ size_t count, loff_t *ppos) ++{ ++ struct at32_dac *dac = file->private_data; ++ DECLARE_WAITQUEUE(wait, current); ++ unsigned int avail; ++ ssize_t copied; ++ ssize_t ret; ++ ++ /* Avoid address space checking in the translation functions */ ++ if (!access_ok(buffer, count, VERIFY_READ)) ++ return -EFAULT; ++ ++ down(&dac->sem); ++ ++ if (!dac->dma.buf) { ++ ret = at32dac_dma_prepare(dac); ++ if (ret) ++ goto out; ++ } ++ ++ add_wait_queue(&dac->write_wait, &wait); ++ ret = 0; ++ while (count > 0) { ++ do { ++ at32dac_update_dma_tail(dac); ++ avail = at32dac_dma_space(dac); ++ set_current_state(TASK_INTERRUPTIBLE); ++ if (avail >= DMA_WRITE_THRESHOLD) ++ break; ++ ++ if (file->f_flags & O_NONBLOCK) { ++ if (!ret) ++ ret = -EAGAIN; ++ goto out; ++ } ++ ++ pr_debug("Going to wait (avail = %u, count = %zu)\n", ++ avail, count); ++ ++ up(&dac->sem); ++ schedule(); ++ if (signal_pending(current)) { ++ if (!ret) ++ ret = -ERESTARTSYS; ++ goto out_nosem; ++ } ++ down(&dac->sem); ++ } while (1); ++ ++ copied = at32dac_dma_translate_from_user(dac, buffer, count); ++ if (copied < 0) { ++ if (!ret) ++ ret = -EFAULT; ++ goto out; ++ } ++ ++ at32dac_start(dac); ++ ++ count -= copied; ++ ret += copied; ++ } ++ ++out: ++ up(&dac->sem); ++out_nosem: ++ remove_wait_queue(&dac->write_wait, &wait); ++ set_current_state(TASK_RUNNING); ++ return ret; ++} ++ ++static int at32dac_dsp_ioctl(struct inode *inode, struct file *file, ++ unsigned int cmd, unsigned long arg) ++{ ++ struct at32_dac *dac = file->private_data; ++ int __user *up = (int __user *)arg; ++ struct audio_buf_info abinfo; ++ int val, ret; ++ ++ switch (cmd) { ++ case OSS_GETVERSION: ++ return put_user(SOUND_VERSION, up); ++ ++ case SNDCTL_DSP_SPEED: ++ if (get_user(val, up)) ++ return -EFAULT; ++ if (val >= 0) { ++ at32dac_stop(dac); ++ ret = at32dac_set_sample_rate(dac, val); ++ if (ret) ++ return ret; ++ } ++ return put_user(dac->dsp_settings.sample_rate, up); ++ ++ case SNDCTL_DSP_STEREO: ++ if (get_user(val, up)) ++ return -EFAULT; ++ at32dac_stop(dac); ++ if (val && dac->dsp_settings.channels == 1) ++ dac->dsp_settings.input_order++; ++ else if (!val && dac->dsp_settings.channels != 1) ++ dac->dsp_settings.input_order--; ++ dac->dsp_settings.channels = val ? 2 : 1; ++ return 0; ++ ++ case SNDCTL_DSP_CHANNELS: ++ if (get_user(val, up)) ++ return -EFAULT; ++ ++ if (val) { ++ if (val < 0 || val > 2) ++ return -EINVAL; ++ ++ at32dac_stop(dac); ++ dac->dsp_settings.input_order ++ += val - dac->dsp_settings.channels; ++ dac->dsp_settings.channels = val; ++ } ++ return put_user(val, (int *)arg); ++ ++ case SNDCTL_DSP_GETFMTS: ++ return put_user(AFMT_S16_BE | AFMT_S16_BE, up); ++ ++ case SNDCTL_DSP_SETFMT: ++ if (get_user(val, up)) ++ return -EFAULT; ++ ++ if (val == AFMT_QUERY) { ++ val = dac->dsp_settings.format; ++ } else { ++ ret = at32dac_set_format(dac, val); ++ if (ret) ++ return ret; ++ } ++ return put_user(val, up); ++ ++ case SNDCTL_DSP_GETOSPACE: ++ at32dac_update_dma_tail(dac); ++ abinfo.fragsize = ((1 << dac->dsp_settings.input_order) ++ * (DMA_PERIOD_SIZE / 4)); ++ abinfo.bytes = (at32dac_dma_space(dac) ++ << dac->dsp_settings.input_order); ++ abinfo.fragstotal = ((DMA_BUFFER_SIZE * 4) ++ >> (DMA_PERIOD_SHIFT ++ + dac->dsp_settings.input_order)); ++ abinfo.fragments = ((abinfo.bytes ++ >> dac->dsp_settings.input_order) ++ / (DMA_PERIOD_SIZE / 4)); ++ pr_debug("fragments=%d fragstotal=%d fragsize=%d bytes=%d\n", ++ abinfo.fragments, abinfo.fragstotal, abinfo.fragsize, ++ abinfo.bytes); ++ return copy_to_user(up, &abinfo, sizeof(abinfo)) ? -EFAULT : 0; ++ ++ default: ++ printk("at32dac: Unimplemented ioctl cmd: 0x%x\n", cmd); ++ return -EINVAL; ++ } ++} ++ ++static int at32dac_dsp_open(struct inode *inode, struct file *file) ++{ ++ struct at32_dac *dac = the_dac; ++ int ret; ++ ++ if (file->f_mode & FMODE_READ) ++ return -ENXIO; ++ ++ down(&dac->sem); ++ ret = -EBUSY; ++ if (dac->busy) ++ goto out; ++ ++ dac->dma.head = dac->dma.tail = 0; ++ ++ /* FIXME: What are the correct defaults? */ ++ dac->dsp_settings.channels = 2; ++ at32dac_set_format(dac, AFMT_S16_BE); ++ ret = at32dac_set_sample_rate(dac, 8000); ++ if (ret) ++ goto out; ++ ++ file->private_data = dac; ++ dac->busy = 1; ++ ++ ret = 0; ++ ++out: ++ up(&dac->sem); ++ return ret; ++} ++ ++static int at32dac_dsp_release(struct inode *inode, struct file *file) ++{ ++ struct at32_dac *dac = file->private_data; ++ ++ down(&dac->sem); ++ ++ at32dac_stop(dac); ++ at32dac_dma_cleanup(dac); ++ dac->busy = 0; ++ ++ up(&dac->sem); ++ ++ return 0; ++} ++ ++static struct file_operations at32dac_dsp_fops = { ++ .owner = THIS_MODULE, ++ .llseek = no_llseek, ++ .write = at32dac_dsp_write, ++ .ioctl = at32dac_dsp_ioctl, ++ .open = at32dac_dsp_open, ++ .release = at32dac_dsp_release, ++}; ++ ++static int __devinit at32dac_probe(struct platform_device *pdev) ++{ ++ struct at32_dac *dac; ++ struct resource *regs; ++ struct clk *mck; ++ struct clk *sample_clk; ++ int irq; ++ int ret; ++ ++ if (the_dac) ++ return -EBUSY; ++ ++ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!regs) ++ return -ENXIO; ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return irq; ++ ++ mck = clk_get(&pdev->dev, "mck"); ++ if (IS_ERR(mck)) ++ return PTR_ERR(mck); ++ sample_clk = clk_get(&pdev->dev, "sample_clk"); ++ if (IS_ERR(sample_clk)) { ++ ret = PTR_ERR(sample_clk); ++ goto out_put_mck; ++ } ++ clk_enable(mck); ++ ++ ret = -ENOMEM; ++ dac = kzalloc(sizeof(struct at32_dac), GFP_KERNEL); ++ if (!dac) ++ goto out_disable_clk; ++ ++ spin_lock_init(&dac->lock); ++ init_MUTEX(&dac->sem); ++ init_waitqueue_head(&dac->write_wait); ++ dac->pdev = pdev; ++ dac->mck = mck; ++ dac->sample_clk = sample_clk; ++ ++ dac->regs = ioremap(regs->start, regs->end - regs->start + 1); ++ if (!dac->regs) ++ goto out_free_dac; ++ ++ ret = request_irq(irq, at32dac_interrupt, 0, "dac", dac); ++ if (ret) ++ goto out_unmap_regs; ++ ++ /* FIXME */ ++ dac->req.req.dmac = find_dma_controller(0); ++ if (!dac->req.req.dmac) ++ goto out_free_irq; ++ ++ ret = dma_alloc_channel(dac->req.req.dmac); ++ if (ret < 0) ++ goto out_free_irq; ++ ++ dac->req.req.channel = ret; ++ dac->req.req.block_complete = at32dac_dma_block_complete; ++ dac->req.req.error = at32dac_dma_error; ++ dac->req.data_reg = regs->start + DAC_DATA; ++ dac->req.periph_id = 2; /* FIXME */ ++ dac->req.direction = DMA_DIR_MEM_TO_PERIPH; ++ dac->req.width = DMA_WIDTH_32BIT; ++ ++ /* Make sure the DAC is silent and disabled */ ++ dac_writel(dac, DATA, 0); ++ dac_writel(dac, CTRL, 0); ++ ++ ret = register_sound_dsp(&at32dac_dsp_fops, -1); ++ if (ret < 0) ++ goto out_free_dma; ++ dac->dev_dsp = ret; ++ ++ /* TODO: Register mixer */ ++ ++ the_dac = dac; ++ platform_set_drvdata(pdev, dac); ++ ++ return 0; ++ ++out_free_dma: ++ dma_release_channel(dac->req.req.dmac, dac->req.req.channel); ++out_free_irq: ++ free_irq(irq, dac); ++out_unmap_regs: ++ iounmap(dac->regs); ++out_free_dac: ++ kfree(dac); ++out_disable_clk: ++ clk_disable(mck); ++ clk_put(sample_clk); ++out_put_mck: ++ clk_put(mck); ++ return ret; ++} ++ ++static int __devexit at32dac_remove(struct platform_device *pdev) ++{ ++ struct at32_dac *dac; ++ ++ dac = platform_get_drvdata(pdev); ++ if (dac) { ++ unregister_sound_dsp(dac->dev_dsp); ++ dma_release_channel(dac->req.req.dmac, dac->req.req.channel); ++ free_irq(platform_get_irq(pdev, 0), dac); ++ iounmap(dac->regs); ++ clk_disable(dac->mck); ++ clk_put(dac->sample_clk); ++ clk_put(dac->mck); ++ kfree(dac); ++ platform_set_drvdata(pdev, NULL); ++ the_dac = NULL; ++ } ++ ++ return 0; ++} ++ ++static struct platform_driver at32dac_driver = { ++ .probe = at32dac_probe, ++ .remove = __devexit_p(at32dac_remove), ++ .driver = { ++ .name = "dac", ++ }, ++}; ++ ++static int __init at32dac_init(void) ++{ ++ return platform_driver_register(&at32dac_driver); ++} ++module_init(at32dac_init); ++ ++static void __exit at32dac_exit(void) ++{ ++ platform_driver_unregister(&at32dac_driver); ++} ++module_exit(at32dac_exit); ++ ++MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>"); ++MODULE_DESCRIPTION("DMA Sound Driver for the Atmel AT32 on-chip DAC"); ++MODULE_LICENSE("GPL"); +diff -urN linux-2.6.20.4-0rig/sound/oss/at32dac.h linux-2.6.20.4-atmel/sound/oss/at32dac.h +--- linux-2.6.20.4-0rig/sound/oss/at32dac.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/oss/at32dac.h 2007-03-24 16:42:29.000000000 +0100 +@@ -0,0 +1,65 @@ ++/* ++ * Register definitions for the Atmel AT32 on-chip DAC. ++ * ++ * Copyright (C) 2006 Atmel Corporation ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++#ifndef __ASM_AVR32_DAC_H__ ++#define __ASM_AVR32_DAC_H__ ++ ++/* DAC register offsets */ ++#define DAC_DATA 0x0000 ++#define DAC_CTRL 0x0008 ++#define DAC_INT_MASK 0x000c ++#define DAC_INT_EN 0x0010 ++#define DAC_INT_DIS 0x0014 ++#define DAC_INT_CLR 0x0018 ++#define DAC_INT_STATUS 0x001c ++#define DAC_PDC_DATA 0x0020 ++ ++/* Bitfields in DATA */ ++#define DAC_DATA_OFFSET 0 ++#define DAC_DATA_SIZE 32 ++ ++/* Bitfields in CTRL */ ++#define DAC_SWAP_OFFSET 30 ++#define DAC_SWAP_SIZE 1 ++#define DAC_EN_OFFSET 31 ++#define DAC_EN_SIZE 1 ++ ++/* Bitfields in INT_MASK */ ++ ++/* Bitfields in INT_EN */ ++ ++/* Bitfields in INT_DIS */ ++#define DAC_TX_READY_OFFSET 29 ++#define DAC_TX_READY_SIZE 1 ++#define DAC_TX_BUFFER_EMPTY_OFFSET 30 ++#define DAC_TX_BUFFER_EMPTY_SIZE 1 ++#define DAC_CHANNEL_TX_END_OFFSET 31 ++#define DAC_CHANNEL_TX_END_SIZE 1 ++ ++/* Bitfields in INT_CLR */ ++#define DAC_UNDERRUN_OFFSET 28 ++#define DAC_UNDERRUN_SIZE 1 ++ ++/* Bitfields in INT_STATUS */ ++ ++/* Bitfields in PDC_DATA */ ++ ++/* Bit manipulation macros */ ++#define DAC_BIT(name) (1 << DAC_##name##_OFFSET) ++#define DAC_BF(name,value) (((value) & ((1 << DAC_##name##_SIZE) - 1)) << DAC_##name##_OFFSET) ++#define DAC_BFEXT(name,value) (((value) >> DAC_##name##_OFFSET) & ((1 << DAC_##name##_SIZE) - 1)) ++#define DAC_BFINS(name,value,old) (((old) & ~(((1 << DAC_##name##_SIZE) - 1) << DAC_##name##_OFFSET)) | DAC_BF(name,value)) ++ ++/* Register access macros */ ++#define dac_readl(port,reg) \ ++ __raw_readl((port)->regs + DAC_##reg) ++#define dac_writel(port,reg,value) \ ++ __raw_writel((value), (port)->regs + DAC_##reg) ++ ++#endif /* __ASM_AVR32_DAC_H__ */ +diff -urN linux-2.6.20.4-0rig/sound/oss/Kconfig linux-2.6.20.4-atmel/sound/oss/Kconfig +--- linux-2.6.20.4-0rig/sound/oss/Kconfig 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/oss/Kconfig 2007-03-24 16:42:29.000000000 +0100 +@@ -750,3 +750,7 @@ + int "DAC channel" + default "1" + depends on SOUND_SH_DAC_AUDIO ++ ++config SOUND_AT32_DAC ++ tristate "Atmel AT32 On-chip DAC support" ++ depends on SOUND_PRIME && AVR32 +diff -urN linux-2.6.20.4-0rig/sound/oss/Makefile linux-2.6.20.4-atmel/sound/oss/Makefile +--- linux-2.6.20.4-0rig/sound/oss/Makefile 2007-03-23 20:52:51.000000000 +0100 ++++ linux-2.6.20.4-atmel/sound/oss/Makefile 2007-03-24 16:42:29.000000000 +0100 +@@ -10,6 +10,7 @@ + + # Please leave it as is, cause the link order is significant ! + ++obj-$(CONFIG_SOUND_AT32_DAC) += at32dac.o + obj-$(CONFIG_SOUND_SH_DAC_AUDIO) += sh_dac_audio.o + obj-$(CONFIG_SOUND_HAL2) += hal2.o + obj-$(CONFIG_SOUND_AEDSP16) += aedsp16.o |