target/linux/ramips/files/arch/mips/ralink/rt305x/mach-whr-g300n.c

   1 /*
   2  *  Buffalo WHR-G300N board support
   3  *
   4  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/mtd/physmap.h>
  16 #include <linux/leds.h>
  17
  18 #include <asm/mips_machine.h>
  19 #include <asm/mach-ralink/machine.h>
  20 #include <asm/mach-ralink/dev_gpio_leds.h>
  21 #include <asm/mach-ralink/rt305x.h>
  22 #include <asm/mach-ralink/rt305x_regs.h>
  23
  24 #include "devices.h"
  25
  26 #define WHR_G300N_GPIO_LED_DIAG         7
  27 #define WHR_G300N_GPIO_LED_ROUTER       9
  28 #define WHR_G300N_GPIO_LED_SECURITY     14
  29
  30 #ifdef CONFIG_MTD_PARTITIONS
  31 static struct mtd_partition whr_g300n_partitions[] = {
  32         {
  33                 .name   = "u-boot",
  34                 .offset = 0,
  35                 .size   = 0x030000,
  36                 .mask_flags = MTD_WRITEABLE,
  37         }, {
  38                 .name   = "u-boot-env",
  39                 .offset = 0x030000,
  40                 .size   = 0x010000,
  41                 .mask_flags = MTD_WRITEABLE,
  42         }, {
  43                 .name   = "factory",
  44                 .offset = 0x040000,
  45                 .size   = 0x010000,
  46                 .mask_flags = MTD_WRITEABLE,
  47         }, {
  48                 .name   = "kernel",
  49                 .offset = 0x050000,
  50                 .size   = 0x090000,
  51         }, {
  52                 .name   = "rootfs",
  53                 .offset = 0x140000,
  54                 .size   = 0x2B0000,
  55         }, {
  56                 .name   = "user",
  57                 .offset = 0x3f0000,
  58                 .size   = 0x010000,
  59         }, {
  60                 .name   = "openwrt",
  61                 .offset = 0x050000,
  62                 .size   = 0x3a0000,
  63         }
  64 };
  65 #endif /* CONFIG_MTD_PARTITIONS */
  66
  67 static struct physmap_flash_data whr_g300n_flash_data = {
  68 #ifdef CONFIG_MTD_PARTITIONS
  69         .nr_parts       = ARRAY_SIZE(whr_g300n_partitions),
  70         .parts          = whr_g300n_partitions,
  71 #endif
  72 };
  73
  74 static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
  75         {
  76                 .name           = "whr-g300n:red:diag",
  77                 .gpio           = WHR_G300N_GPIO_LED_DIAG,
  78                 .active_low     = 1,
  79         }, {
  80                 .name           = "whr-g300n:green:router",
  81                 .gpio           = WHR_G300N_GPIO_LED_ROUTER,
  82                 .active_low     = 1,
  83         }, {
  84                 .name           = "whr-g300n:amber:security",
  85                 .gpio           = WHR_G300N_GPIO_LED_SECURITY,
  86                 .active_low     = 1,
  87         }
  88 };
  89
  90 static void __init whr_g300n_init(void)
  91 {
  92         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
  93
  94         rt305x_register_flash(0, &whr_g300n_flash_data);
  95         rt305x_register_ethernet();
  96         ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
  97                                   whr_g300n_leds_gpio);
  98 }
  99
 100 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "Buffalo WHR-G300N", whr_g300n_init);