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

   1 /*
   2  *  Buffalo WHR-G300N board support
   3  *
   4  *  Copyright (C) 2009-2010 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
  17 #include <asm/mach-ralink/machine.h>
  18 #include <asm/mach-ralink/dev-gpio-buttons.h>
  19 #include <asm/mach-ralink/dev-gpio-leds.h>
  20 #include <asm/mach-ralink/rt305x.h>
  21 #include <asm/mach-ralink/rt305x_regs.h>
  22
  23 #include "devices.h"
  24
  25 #define WHR_G300N_GPIO_LED_DIAG         7
  26 #define WHR_G300N_GPIO_LED_ROUTER       9
  27 #define WHR_G300N_GPIO_LED_SECURITY     14
  28
  29 #define WHR_G300N_GPIO_BUTTON_AOSS              0       /* active low */
  30 #define WHR_G300N_GPIO_BUTTON_RESET             10      /* active low */
  31 #define WHR_G300N_GPIO_BUTTON_ROUTER_ON         8       /* active low */
  32 #define WHR_G300N_GPIO_BUTTON_ROUTER_OFF        11      /* active low */
  33
  34 #define WHR_G300N_BUTTONS_POLL_INTERVAL         20
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition whr_g300n_partitions[] = {
  38         {
  39                 .name   = "u-boot",
  40                 .offset = 0,
  41                 .size   = 0x030000,
  42                 .mask_flags = MTD_WRITEABLE,
  43         }, {
  44                 .name   = "u-boot-env",
  45                 .offset = 0x030000,
  46                 .size   = 0x010000,
  47                 .mask_flags = MTD_WRITEABLE,
  48         }, {
  49                 .name   = "factory",
  50                 .offset = 0x040000,
  51                 .size   = 0x010000,
  52                 .mask_flags = MTD_WRITEABLE,
  53         }, {
  54                 .name   = "kernel",
  55                 .offset = 0x050000,
  56                 .size   = 0x090000,
  57         }, {
  58                 .name   = "rootfs",
  59                 .offset = 0x140000,
  60                 .size   = 0x2B0000,
  61         }, {
  62                 .name   = "user",
  63                 .offset = 0x3f0000,
  64                 .size   = 0x010000,
  65         }, {
  66                 .name   = "openwrt",
  67                 .offset = 0x050000,
  68                 .size   = 0x3a0000,
  69         }
  70 };
  71 #endif /* CONFIG_MTD_PARTITIONS */
  72
  73 static struct physmap_flash_data whr_g300n_flash_data = {
  74 #ifdef CONFIG_MTD_PARTITIONS
  75         .nr_parts       = ARRAY_SIZE(whr_g300n_partitions),
  76         .parts          = whr_g300n_partitions,
  77 #endif
  78 };
  79
  80 static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
  81         {
  82                 .name           = "whr-g300n:red:diag",
  83                 .gpio           = WHR_G300N_GPIO_LED_DIAG,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "whr-g300n:green:router",
  87                 .gpio           = WHR_G300N_GPIO_LED_ROUTER,
  88                 .active_low     = 1,
  89         }, {
  90                 .name           = "whr-g300n:amber:security",
  91                 .gpio           = WHR_G300N_GPIO_LED_SECURITY,
  92                 .active_low     = 1,
  93         }
  94 };
  95
  96 static struct gpio_button whr_g300n_gpio_buttons[] __initdata = {
  97         {
  98                 .desc           = "reset",
  99                 .type           = EV_KEY,
 100                 .code           = KEY_RESTART,
 101                 .threshold      = 3,
 102                 .gpio           = WHR_G300N_GPIO_BUTTON_RESET,
 103                 .active_low     = 1,
 104         }, {
 105                 .desc           = "aoss",
 106                 .type           = EV_KEY,
 107                 .code           = KEY_WPS_BUTTON,
 108                 .threshold      = 3,
 109                 .gpio           = WHR_G300N_GPIO_BUTTON_AOSS,
 110                 .active_low     = 1,
 111         }, {
 112                 .desc           = "router-off",
 113                 .type           = EV_KEY,
 114                 .code           = BTN_2,
 115                 .threshold      = 3,
 116                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_OFF,
 117                 .active_low     = 1,
 118         }, {
 119                 .desc           = "router-on",
 120                 .type           = EV_KEY,
 121                 .code           = BTN_3,
 122                 .threshold      = 3,
 123                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_ON,
 124                 .active_low     = 1,
 125         }
 126 };
 127
 128 static void __init whr_g300n_init(void)
 129 {
 130         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 131
 132         rt305x_register_flash(0, &whr_g300n_flash_data);
 133         rt305x_register_ethernet();
 134         ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
 135                                   whr_g300n_leds_gpio);
 136         ramips_register_gpio_buttons(-1, WHR_G300N_BUTTONS_POLL_INTERVAL,
 137                                      ARRAY_SIZE(whr_g300n_gpio_buttons),
 138                                      whr_g300n_gpio_buttons);
 139         rt305x_register_wifi();
 140         rt305x_register_wdt();
 141 }
 142
 143 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "WHR-G300N", "Buffalo WHR-G300N",
 144              whr_g300n_init);