diff options
Diffstat (limited to 'target/linux/lantiq/files/arch/mips/lantiq/xway/mach-netgear.c')
| -rw-r--r-- | target/linux/lantiq/files/arch/mips/lantiq/xway/mach-netgear.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/target/linux/lantiq/files/arch/mips/lantiq/xway/mach-netgear.c b/target/linux/lantiq/files/arch/mips/lantiq/xway/mach-netgear.c new file mode 100644 index 000000000..29b072810 --- /dev/null +++ b/target/linux/lantiq/files/arch/mips/lantiq/xway/mach-netgear.c @@ -0,0 +1,239 @@ +/* + * 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. + * + * Copyright (C) 2010 John Crispin <blogic@openwrt.org> + * Copyright (C) 2012 Pieter Voorthuijsen <p.voorthuijsen@gmail.com> + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/input.h> +#include <linux/phy.h> +#include <linux/spi/spi.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi_gpio.h> +#include <linux/ath9k_platform.h> +#include <linux/if_ether.h> +#include <linux/etherdevice.h> +#include <linux/kobject.h> +#include <linux/sysfs.h> + +#include <lantiq_soc.h> +#include <irq.h> +#include <dev-gpio-leds.h> +#include <dev-gpio-buttons.h> +#include "dev-wifi-athxk.h" + +#include "../machtypes.h" +#include "devices.h" +#include "dev-dwc_otg.h" +#include "pci-ath-fixup.h" +#include <mtd/mtd-abi.h> +#include <asm-generic/sizes.h> + +static struct mtd_partition dgn3500_partitions[] = { + { + .name = "u-boot", + .offset = 0, + .size = 0x10000, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "environment", + .offset = 0x10000, + .size = 0x10000, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "calibration", + .offset = 0x20000, + .size = 0x10000, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "linux", + .offset = 0x50000, + .size = 0xfa0000, + }, +}; + +static struct ltq_pci_data ltq_pci_data = { + .clock = PCI_CLOCK_INT, + .gpio = PCI_GNT1 | PCI_REQ1, + .irq = { + [14] = INT_NUM_IM0_IRL0 + 22, + }, +}; + +static struct ltq_eth_data ltq_eth_data = { + .mii_mode = PHY_INTERFACE_MODE_MII, +}; + +static struct gpio_led +dgn3500_gpio_leds[] __initdata = { + { .name = "soc:green:power", .gpio = 34, .active_low = 1, }, + { .name = "soc:red:power", .gpio = 39, .active_low = 1, }, + { .name = "soc:orange:wlan", .gpio = 51, .active_low = 1, }, + { .name = "soc:green:wps", .gpio = 52, .active_low = 1, }, + { .name = "soc:green:usb", .gpio = 22, .active_low = 1, }, + { .name = "soc:green:dsl", .gpio = 4, .active_low = 1, }, + { .name = "soc:green:internet", .gpio = 2, .active_low = 1, }, +}; + +static struct gpio_keys_button +dgn3500_gpio_keys[] __initdata = { + { + .desc = "wps", + .type = EV_KEY, + .code = BTN_0, + .debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL, + .gpio = 54, + .active_low = 1, + }, + { + .desc = "reset", + .type = EV_KEY, + .code = BTN_1, + .debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL, + .gpio = 36, + .active_low = 1, + }, +}; + +#define SPI_GPIO_MRST 16 +#define SPI_GPIO_MTSR 17 +#define SPI_GPIO_CLK 18 +#define SPI_GPIO_CS0 10 + +static struct spi_gpio_platform_data spi_gpio_data = { + .sck = SPI_GPIO_CLK, + .mosi = SPI_GPIO_MTSR, + .miso = SPI_GPIO_MRST, + .num_chipselect = 2, +}; + +static struct platform_device spi_gpio_device = { + .name = "spi_gpio", + .dev.platform_data = &spi_gpio_data, +}; + +static struct flash_platform_data spi_flash_data = { + .name = "sflash", + .parts = dgn3500_partitions, + .nr_parts = ARRAY_SIZE(dgn3500_partitions), +}; + +static struct spi_board_info spi_flash __initdata = { + .modalias = "m25p80", + .bus_num = 0, + .chip_select = 0, + .max_speed_hz = 10 * 1000 * 1000, + .mode = SPI_MODE_3, + .chip_select = 0, + .controller_data = (void *) SPI_GPIO_CS0, + .platform_data = &spi_flash_data +}; + +static u8 ltq_ethaddr[6] = { 0 }; + +static int __init setup_ethaddr(char *str) +{ + if (!mac_pton(str, ltq_ethaddr)) + memset(ltq_ethaddr, 0, 6); + return 0; +} +__setup("ethaddr=", setup_ethaddr); + +static u16 dgn3500_eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS] = {0}; + +static ssize_t ath_eeprom_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t offset, size_t count) +{ + if (unlikely(offset >= sizeof(dgn3500_eeprom_data))) + return 0; + if ((offset + count) > sizeof(dgn3500_eeprom_data)) + count = sizeof(dgn3500_eeprom_data) - offset; + if (unlikely(!count)) + return count; + + memcpy(buf, (char *)(dgn3500_eeprom_data) + offset, count); + + return count; +} + +extern struct ath9k_platform_data ath9k_pdata; + +static ssize_t ath_eeprom_write(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, + loff_t offset, size_t count) +{ + int i; + char *eeprom_bytes = (char *)dgn3500_eeprom_data; + + if (unlikely(offset >= sizeof(dgn3500_eeprom_data))) + return -EFBIG; + if ((offset + count) > sizeof(dgn3500_eeprom_data)) + count = sizeof(dgn3500_eeprom_data) - offset; + if (unlikely(!count)) + return count; + if (count % 2) + return 0; + + /* The PCI fixup routine requires an endian swap of the calibartion data + * stored in flash */ + for (i = 0; i < count; i += 2) { + eeprom_bytes[offset + i + 1] = buf[i]; + eeprom_bytes[offset + i] = buf[i+1]; + } + + /* The original data does not contain a checksum. Set the country and + * calculate new checksum when all data is received */ + if ((count + offset) == sizeof(dgn3500_eeprom_data)) + memcpy(ath9k_pdata.eeprom_data, dgn3500_eeprom_data, + sizeof(ath9k_pdata.eeprom_data)); + + return count; +} + +static struct bin_attribute dev_attr_ath_eeprom = { + .attr = { + .name = "ath_eeprom", + .mode = S_IRUGO|S_IWUSR, + }, + .read = ath_eeprom_read, + .write = ath_eeprom_write, +}; + +static void __init dgn3500_init(void) +{ + if (sysfs_create_bin_file(firmware_kobj, &dev_attr_ath_eeprom)) + printk(KERN_INFO "Failed to create ath eeprom sysfs entry\n"); + ltq_add_device_gpio_leds(-1, ARRAY_SIZE(dgn3500_gpio_leds), + dgn3500_gpio_leds); + ltq_register_gpio_keys_polled(-1, LTQ_KEYS_POLL_INTERVAL, + ARRAY_SIZE(dgn3500_gpio_keys), dgn3500_gpio_keys); + platform_device_register(&spi_gpio_device); + ltq_register_pci(<q_pci_data); + spi_register_board_info(&spi_flash, 1); + if (!is_valid_ether_addr(ltq_ethaddr)) { + printk(KERN_INFO "MAC invalid using random\n"); + random_ether_addr(ltq_ethaddr); + } + memcpy(<q_eth_data.mac.sa_data, ltq_ethaddr, 6); + ltq_register_etop(<q_eth_data); + ltq_register_ath9k(dgn3500_eeprom_data, ltq_ethaddr); + ltq_pci_ath_fixup(14, dgn3500_eeprom_data); + /* The usb power is always enabled, protected by a fuse */ + xway_register_dwc(-1); +} + +MIPS_MACHINE(LANTIQ_MACH_DGN3500B, + "DGN3500B", + "Netgear DGN3500B", + dgn3500_init); |