diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-3.3/185-mi424wr_support.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-3.3/185-mi424wr_support.patch | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-3.3/185-mi424wr_support.patch b/target/linux/ixp4xx/patches-3.3/185-mi424wr_support.patch new file mode 100644 index 000000000..08ad72640 --- /dev/null +++ b/target/linux/ixp4xx/patches-3.3/185-mi424wr_support.patch @@ -0,0 +1,501 @@ +--- /dev/null ++++ b/arch/arm/mach-ixp4xx/mi424wr-pci.c +@@ -0,0 +1,71 @@ ++/* ++ * arch/arm/mach-ixp4xx/mi424wr-pci.c ++ * ++ * Actiontec MI424WR board-level PCI initialization ++ * ++ * Copyright (C) 2008 Jose Vasconcellos ++ * ++ * Maintainer: Jose Vasconcellos <jvasco@verizon.net> ++ * ++ * 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/pci.h> ++#include <linux/init.h> ++#include <linux/irq.h> ++ ++#include <asm/mach-types.h> ++#include <asm/mach/pci.h> ++ ++/* PCI controller GPIO to IRQ pin mappings ++ * This information was obtained from Actiontec's GPL release. ++ * ++ * INTA INTB ++ * SLOT 13 8 6 ++ * SLOT 14 7 8 ++ * SLOT 15 6 7 ++ */ ++ ++void __init mi424wr_pci_preinit(void) ++{ ++ irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW); ++ irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW); ++ irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW); ++ ++ ixp4xx_pci_preinit(); ++} ++ ++static int __init mi424wr_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ if (slot == 13) ++ return IRQ_IXP4XX_GPIO8; ++ if (slot == 14) ++ return IRQ_IXP4XX_GPIO7; ++ if (slot == 15) ++ return IRQ_IXP4XX_GPIO6; ++ ++ return -1; ++} ++ ++struct hw_pci mi424wr_pci __initdata = { ++ .nr_controllers = 1, ++ .preinit = mi424wr_pci_preinit, ++ .swizzle = pci_std_swizzle, ++ .setup = ixp4xx_setup, ++ .scan = ixp4xx_scan_bus, ++ .map_irq = mi424wr_map_irq, ++}; ++ ++int __init mi424wr_pci_init(void) ++{ ++ if (machine_is_mi424wr()) ++ pci_common_init(&mi424wr_pci); ++ return 0; ++} ++ ++subsys_initcall(mi424wr_pci_init); ++ +--- /dev/null ++++ b/arch/arm/mach-ixp4xx/mi424wr-setup.c +@@ -0,0 +1,380 @@ ++/* ++ * arch/arm/mach-ixp4xx/mi424wr-setup.c ++ * ++ * Actiontec MI424-WR board setup ++ * Copyright (c) 2008 Jose Vasconcellos ++ * ++ * Based on Gemtek GTWX5715 by ++ * Copyright (C) 2004 George T. Joseph ++ * Derived from Coyote ++ * ++ * 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/init.h> ++#include <linux/device.h> ++#include <linux/serial.h> ++#include <linux/serial_8250.h> ++#include <linux/types.h> ++#include <linux/memory.h> ++#include <linux/leds.h> ++#include <linux/spi/spi_gpio_old.h> ++ ++#include <asm/setup.h> ++#include <asm/irq.h> ++#include <asm/io.h> ++#include <asm/mach-types.h> ++#include <asm/mach/arch.h> ++#include <asm/mach/flash.h> ++ ++/* ++ * GPIO 2,3,4 and 9 are hard wired to the Micrel/Kendin KS8995M Switch ++ * and operate as an SPI type interface. The details of the interface ++ * are available on Kendin/Micrel's web site. ++ */ ++ ++#define MI424WR_KSSPI_SELECT 9 ++#define MI424WR_KSSPI_TXD 4 ++#define MI424WR_KSSPI_CLOCK 2 ++#define MI424WR_KSSPI_RXD 3 ++ ++/* ++ * The "reset" button is wired to GPIO 10. ++ * The GPIO is brought "low" when the button is pushed. ++ */ ++ ++#define MI424WR_BUTTON_GPIO 10 ++#define MI424WR_BUTTON_IRQ IRQ_IXP4XX_GPIO10 ++ ++#define MI424WR_MOCA_WAN_LED 11 ++ ++/* Latch on CS1 - taken from Actiontec's 2.4 source code ++ * ++ * default latch value ++ * 0 - power alarm led (red) 0 (off) ++ * 1 - power led (green) 0 (off) ++ * 2 - wireless led (green) 1 (off) ++ * 3 - no internet led (red) 0 (off) ++ * 4 - internet ok led (green) 0 (off) ++ * 5 - moca LAN 0 (off) ++ * 6 - WAN alarm led (red) 0 (off) ++ * 7 - PCI reset 1 (not reset) ++ * 8 - IP phone 1 led (green) 1 (off) ++ * 9 - IP phone 2 led (green) 1 (off) ++ * 10 - VOIP ready led (green) 1 (off) ++ * 11 - PSTN relay 1 control 0 (PSTN) ++ * 12 - PSTN relay 1 control 0 (PSTN) ++ * 13 - N/A ++ * 14 - N/A ++ * 15 - N/A ++ */ ++ ++#define MI424WR_LATCH_MASK 0x04 ++#define MI424WR_LATCH_DEFAULT 0x1f86 ++ ++#define MI424WR_LATCH_ALARM_LED 0x00 ++#define MI424WR_LATCH_POWER_LED 0x01 ++#define MI424WR_LATCH_WIRELESS_LED 0x02 ++#define MI424WR_LATCH_INET_DOWN_LED 0x03 ++#define MI424WR_LATCH_INET_OK_LED 0x04 ++#define MI424WR_LATCH_MOCA_LAN_LED 0x05 ++#define MI424WR_LATCH_WAN_ALARM_LED 0x06 ++#define MI424WR_LATCH_PCI_RESET 0x07 ++#define MI424WR_LATCH_PHONE1_LED 0x08 ++#define MI424WR_LATCH_PHONE2_LED 0x09 ++#define MI424WR_LATCH_VOIP_LED 0x10 ++#define MI424WR_LATCH_PSTN_RELAY1 0x11 ++#define MI424WR_LATCH_PSTN_RELAY2 0x12 ++ ++/* initialize CS1 to default timings, Intel style, 16-bit bus */ ++#define MI424WR_CS1_CONFIG 0x80000002 ++ ++/* Define both UARTs but they are not easily accessible. ++ */ ++ ++static struct resource mi424wr_uart_resources[] = { ++ { ++ .start = IXP4XX_UART1_BASE_PHYS, ++ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IXP4XX_UART2_BASE_PHYS, ++ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, ++ .flags = IORESOURCE_MEM, ++ } ++}; ++ ++ ++static struct plat_serial8250_port mi424wr_uart_platform_data[] = { ++ { ++ .mapbase = IXP4XX_UART1_BASE_PHYS, ++ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, ++ .irq = IRQ_IXP4XX_UART1, ++ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, ++ .iotype = UPIO_MEM, ++ .regshift = 2, ++ .uartclk = IXP4XX_UART_XTAL, ++ }, ++ { ++ .mapbase = IXP4XX_UART2_BASE_PHYS, ++ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, ++ .irq = IRQ_IXP4XX_UART2, ++ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, ++ .iotype = UPIO_MEM, ++ .regshift = 2, ++ .uartclk = IXP4XX_UART_XTAL, ++ }, ++ { }, ++}; ++ ++static struct platform_device mi424wr_uart_device = { ++ .name = "serial8250", ++ .id = PLAT8250_DEV_PLATFORM, ++ .dev.platform_data = mi424wr_uart_platform_data, ++ .num_resources = ARRAY_SIZE(mi424wr_uart_resources), ++ .resource = mi424wr_uart_resources, ++}; ++ ++static struct flash_platform_data mi424wr_flash_data = { ++ .map_name = "cfi_probe", ++ .width = 2, ++}; ++ ++static struct resource mi424wr_flash_resource = { ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device mi424wr_flash = { ++ .name = "IXP4XX-Flash", ++ .id = 0, ++ .dev.platform_data = &mi424wr_flash_data, ++ .num_resources = 1, ++ .resource = &mi424wr_flash_resource, ++}; ++ ++static int mi424wr_spi_boardinfo_setup(struct spi_board_info *bi, ++ struct spi_master *master, void *data) ++{ ++ ++ strlcpy(bi->modalias, "spi-ks8995", sizeof(bi->modalias)); ++ ++ bi->max_speed_hz = 5000000 /* Hz */; ++ bi->bus_num = master->bus_num; ++ bi->mode = SPI_MODE_0; ++ ++ return 0; ++} ++ ++static struct spi_gpio_platform_data mi424wr_spi_bus_data = { ++ .pin_cs = MI424WR_KSSPI_SELECT, ++ .pin_clk = MI424WR_KSSPI_CLOCK, ++ .pin_miso = MI424WR_KSSPI_RXD, ++ .pin_mosi = MI424WR_KSSPI_TXD, ++ .cs_activelow = 1, ++ .no_spi_delay = 1, ++ .boardinfo_setup = mi424wr_spi_boardinfo_setup, ++}; ++ ++static struct gpio_led mi424wr_gpio_led[] = { ++ { ++ .name = "moca-wan", /* green led */ ++ .gpio = MI424WR_MOCA_WAN_LED, ++ .active_low = 0, ++ } ++}; ++ ++static struct gpio_led_platform_data mi424wr_gpio_leds_data = { ++ .num_leds = 1, ++ .leds = mi424wr_gpio_led, ++}; ++ ++static struct platform_device mi424wr_gpio_leds = { ++ .name = "leds-gpio", ++ .id = -1, ++ .dev.platform_data = &mi424wr_gpio_leds_data, ++}; ++ ++static uint16_t latch_value = MI424WR_LATCH_DEFAULT; ++static uint16_t __iomem *iobase; ++ ++static void mi424wr_latch_set_led(u8 bit, enum led_brightness value) ++{ ++ ++ if (((MI424WR_LATCH_MASK >> bit) & 1) ^ (value == LED_OFF)) ++ latch_value &= ~(0x1 << bit); ++ else ++ latch_value |= (0x1 << bit); ++ ++ __raw_writew(latch_value, iobase); ++ ++} ++ ++static struct latch_led mi424wr_latch_led[] = { ++ { ++ .name = "power-alarm", ++ .bit = MI424WR_LATCH_ALARM_LED, ++ }, ++ { ++ .name = "power-ok", ++ .bit = MI424WR_LATCH_POWER_LED, ++ }, ++ { ++ .name = "wireless", /* green led */ ++ .bit = MI424WR_LATCH_WIRELESS_LED, ++ }, ++ { ++ .name = "inet-down", /* red led */ ++ .bit = MI424WR_LATCH_INET_DOWN_LED, ++ }, ++ { ++ .name = "inet-up", /* green led */ ++ .bit = MI424WR_LATCH_INET_OK_LED, ++ }, ++ { ++ .name = "moca-lan", /* green led */ ++ .bit = MI424WR_LATCH_MOCA_LAN_LED, ++ }, ++ { ++ .name = "wan-alarm", /* red led */ ++ .bit = MI424WR_LATCH_WAN_ALARM_LED, ++ } ++}; ++ ++static struct latch_led_platform_data mi424wr_latch_leds_data = { ++ .num_leds = ARRAY_SIZE(mi424wr_latch_led), ++ .mem = 0x51000000, ++ .leds = mi424wr_latch_led, ++ .set_led = mi424wr_latch_set_led, ++}; ++ ++static struct platform_device mi424wr_latch_leds = { ++ .name = "leds-latch", ++ .id = -1, ++ .dev.platform_data = &mi424wr_latch_leds_data, ++}; ++ ++static struct platform_device mi424wr_spi_bus = { ++ .name = "spi-gpio", ++ .id = 0, ++ .dev.platform_data = &mi424wr_spi_bus_data, ++}; ++ ++static struct eth_plat_info mi424wr_wan_data = { ++ .phy = 17, /* KS8721 */ ++ .rxq = 3, ++ .txreadyq = 20, ++}; ++ ++static struct eth_plat_info mi424wr_lan_data = { ++ .phy = IXP4XX_ETH_PHY_MAX_ADDR, ++ .phy_mask = 0x1e, /* ports 1-4 of the KS8995 switch */ ++ .rxq = 4, ++ .txreadyq = 21, ++}; ++ ++static struct platform_device mi424wr_npe_devices[] = { ++ { ++ .name = "ixp4xx_eth", ++ .id = IXP4XX_ETH_NPEC, ++ .dev.platform_data = &mi424wr_lan_data, ++ }, { ++ .name = "ixp4xx_eth", ++ .id = IXP4XX_ETH_NPEB, ++ .dev.platform_data = &mi424wr_wan_data, ++ } ++}; ++ ++static struct eth_plat_info mi424wr_wanD_data = { ++ .phy = 5, ++ .rxq = 4, ++ .txreadyq = 21, ++}; ++ ++static struct eth_plat_info mi424wr_lanD_data = { ++ .phy = IXP4XX_ETH_PHY_MAX_ADDR, ++ .phy_mask = 0x1e, /* ports 1-4 of the KS8995 switch */ ++ .rxq = 3, ++ .txreadyq = 20, ++}; ++ ++static struct platform_device mi424wr_npeD_devices[] = { ++ { ++ .name = "ixp4xx_eth", ++ .id = IXP4XX_ETH_NPEB, ++ .dev.platform_data = &mi424wr_lanD_data, ++ }, { ++ .name = "ixp4xx_eth", ++ .id = IXP4XX_ETH_NPEC, ++ .dev.platform_data = &mi424wr_wanD_data, ++ } ++}; ++ ++static struct platform_device *mi424wr_devices[] __initdata = { ++ &mi424wr_uart_device, ++ &mi424wr_flash, ++ &mi424wr_gpio_leds, ++ &mi424wr_latch_leds, ++ &mi424wr_spi_bus, ++}; ++ ++static void __init mi424wr_init(void) ++{ ++ ixp4xx_sys_init(); ++ ++ mi424wr_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); ++ mi424wr_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_8M - 1; ++ ++ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE; ++ *IXP4XX_EXP_CS1 = MI424WR_CS1_CONFIG; ++ ++ /* configure button as input ++ */ ++ gpio_line_config(MI424WR_BUTTON_GPIO, IXP4XX_GPIO_IN); ++ ++ /* Initialize LEDs and enables PCI bus. ++ */ ++ iobase = ioremap_nocache(IXP4XX_EXP_BUS_BASE(1), 0x1000); ++ __raw_writew(latch_value, iobase); ++ ++ platform_add_devices(mi424wr_devices, ARRAY_SIZE(mi424wr_devices)); ++ ++ /* Need to figure out how to detect revD. ++ * Look for a revision argument sent by redboot. ++ */ ++#define revD 4 ++ if (system_rev == revD) { ++ platform_device_register(&mi424wr_npeD_devices[0]); ++ platform_device_register(&mi424wr_npeD_devices[1]); ++ } else { ++ platform_device_register(&mi424wr_npe_devices[0]); ++ platform_device_register(&mi424wr_npe_devices[1]); ++ } ++} ++ ++ ++MACHINE_START(MI424WR, "Actiontec MI424WR") ++ /* Maintainer: Jose Vasconcellos */ ++ .map_io = ixp4xx_map_io, ++ .init_irq = ixp4xx_init_irq, ++ .timer = &ixp4xx_timer, ++ .atag_offset = 0x0100, ++ .init_machine = mi424wr_init, ++#if defined(CONFIG_PCI) ++ .dma_zone_size = SZ_64M, ++#endif ++MACHINE_END ++ +--- a/arch/arm/mach-ixp4xx/Makefile ++++ b/arch/arm/mach-ixp4xx/Makefile +@@ -25,6 +25,7 @@ obj-pci-$(CONFIG_MACH_COMPEX) += ixdp42 + obj-pci-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-pci.o + obj-pci-$(CONFIG_MACH_AP1000) += ixdp425-pci.o + obj-pci-$(CONFIG_MACH_TW5334) += tw5334-pci.o ++obj-pci-$(CONFIG_MACH_MI424WR) += mi424wr-pci.o + + obj-y += common.o + +@@ -51,6 +52,7 @@ obj-$(CONFIG_MACH_COMPEX) += compex-setu + obj-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-setup.o + obj-$(CONFIG_MACH_AP1000) += ap1000-setup.o + obj-$(CONFIG_MACH_TW5334) += tw5334-setup.o ++obj-$(CONFIG_MACH_MI424WR) += mi424wr-setup.o + + obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o + obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o +--- a/arch/arm/mach-ixp4xx/Kconfig ++++ b/arch/arm/mach-ixp4xx/Kconfig +@@ -262,6 +262,13 @@ config MACH_MIC256 + Say 'Y' here if you want your kernel to support the MIC256 + board from OMICRON electronics GmbH. + ++config MACH_MI424WR ++ bool "Actiontec MI424WR" ++ depends on ARCH_IXP4XX ++ select PCI ++ help ++ Add support for the Actiontec MI424-WR. ++ + comment "IXP4xx Options" + + config IXP4XX_INDIRECT_PCI +--- a/arch/arm/configs/ixp4xx_defconfig ++++ b/arch/arm/configs/ixp4xx_defconfig +@@ -26,6 +26,7 @@ CONFIG_MACH_NAS100D=y + CONFIG_MACH_DSMG600=y + CONFIG_MACH_FSG=y + CONFIG_MACH_GTWX5715=y ++CONFIG_MACH_MI424WR=y + CONFIG_IXP4XX_QMGR=y + CONFIG_IXP4XX_NPE=y + # CONFIG_ARM_THUMB is not set |