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 static struct mtd_partition whr_g300n_partitions[] = {
  37         {
  38                 .name   = "u-boot",
  39                 .offset = 0,
  40                 .size   = 0x030000,
  41                 .mask_flags = MTD_WRITEABLE,
  42         }, {
  43                 .name   = "u-boot-env",
  44                 .offset = 0x030000,
  45                 .size   = 0x010000,
  46                 .mask_flags = MTD_WRITEABLE,
  47         }, {
  48                 .name   = "factory",
  49                 .offset = 0x040000,
  50                 .size   = 0x010000,
  51                 .mask_flags = MTD_WRITEABLE,
  52         }, {
  53                 .name   = "kernel",
  54                 .offset = 0x050000,
  55                 .size   = 0x090000,
  56         }, {
  57                 .name   = "rootfs",
  58                 .offset = 0x140000,
  59                 .size   = 0x2B0000,
  60         }, {
  61                 .name   = "user",
  62                 .offset = 0x3f0000,
  63                 .size   = 0x010000,
  64         }, {
  65                 .name   = "firmware",
  66                 .offset = 0x050000,
  67                 .size   = 0x3a0000,
  68         }
  69 };
  70
  71 static struct physmap_flash_data whr_g300n_flash_data = {
  72         .nr_parts       = ARRAY_SIZE(whr_g300n_partitions),
  73         .parts          = whr_g300n_partitions,
  74 };
  75
  76 static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
  77         {
  78                 .name           = "whr-g300n:red:diag",
  79                 .gpio           = WHR_G300N_GPIO_LED_DIAG,
  80                 .active_low     = 1,
  81         }, {
  82                 .name           = "whr-g300n:green:router",
  83                 .gpio           = WHR_G300N_GPIO_LED_ROUTER,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "whr-g300n:amber:security",
  87                 .gpio           = WHR_G300N_GPIO_LED_SECURITY,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static struct gpio_button whr_g300n_gpio_buttons[] __initdata = {
  93         {
  94                 .desc           = "reset",
  95                 .type           = EV_KEY,
  96                 .code           = KEY_RESTART,
  97                 .threshold      = 3,
  98                 .gpio           = WHR_G300N_GPIO_BUTTON_RESET,
  99                 .active_low     = 1,
 100         }, {
 101                 .desc           = "aoss",
 102                 .type           = EV_KEY,
 103                 .code           = KEY_WPS_BUTTON,
 104                 .threshold      = 3,
 105                 .gpio           = WHR_G300N_GPIO_BUTTON_AOSS,
 106                 .active_low     = 1,
 107         }, {
 108                 .desc           = "router-off",
 109                 .type           = EV_KEY,
 110                 .code           = BTN_2,
 111                 .threshold      = 3,
 112                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_OFF,
 113                 .active_low     = 1,
 114         }, {
 115                 .desc           = "router-on",
 116                 .type           = EV_KEY,
 117                 .code           = BTN_3,
 118                 .threshold      = 3,
 119                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_ON,
 120                 .active_low     = 1,
 121         }
 122 };
 123
 124 static void __init whr_g300n_init(void)
 125 {
 126         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 127
 128         rt305x_register_flash(0, &whr_g300n_flash_data);
 129         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 130         rt305x_register_ethernet();
 131         ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
 132                                   whr_g300n_leds_gpio);
 133         ramips_register_gpio_buttons(-1, WHR_G300N_BUTTONS_POLL_INTERVAL,
 134                                      ARRAY_SIZE(whr_g300n_gpio_buttons),
 135                                      whr_g300n_gpio_buttons);
 136         rt305x_register_wifi();
 137         rt305x_register_wdt();
 138 }
 139
 140 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "WHR-G300N", "Buffalo WHR-G300N",
 141              whr_g300n_init);