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_KEYS_POLL_INTERVAL            20
  35 #define WHR_G300N_KEYS_DEBOUNCE_INTERVAL        (3 * WHR_G300N_KEYS_POLL_INTERVAL)
  36
  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   = "firmware",
  67                 .offset = 0x050000,
  68                 .size   = 0x3a0000,
  69         }
  70 };
  71
  72 static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
  73         {
  74                 .name           = "whr-g300n:red:diag",
  75                 .gpio           = WHR_G300N_GPIO_LED_DIAG,
  76                 .active_low     = 1,
  77         }, {
  78                 .name           = "whr-g300n:green:router",
  79                 .gpio           = WHR_G300N_GPIO_LED_ROUTER,
  80                 .active_low     = 1,
  81         }, {
  82                 .name           = "whr-g300n:amber:security",
  83                 .gpio           = WHR_G300N_GPIO_LED_SECURITY,
  84                 .active_low     = 1,
  85         }
  86 };
  87
  88 static struct gpio_keys_button whr_g300n_gpio_buttons[] __initdata = {
  89         {
  90                 .desc           = "reset",
  91                 .type           = EV_KEY,
  92                 .code           = KEY_RESTART,
  93                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
  94                 .gpio           = WHR_G300N_GPIO_BUTTON_RESET,
  95                 .active_low     = 1,
  96         }, {
  97                 .desc           = "aoss",
  98                 .type           = EV_KEY,
  99                 .code           = KEY_WPS_BUTTON,
 100                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 101                 .gpio           = WHR_G300N_GPIO_BUTTON_AOSS,
 102                 .active_low     = 1,
 103         }, {
 104                 .desc           = "router-off",
 105                 .type           = EV_KEY,
 106                 .code           = BTN_2,
 107                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 108                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_OFF,
 109                 .active_low     = 1,
 110         }, {
 111                 .desc           = "router-on",
 112                 .type           = EV_KEY,
 113                 .code           = BTN_3,
 114                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 115                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_ON,
 116                 .active_low     = 1,
 117         }
 118 };
 119
 120 static void __init whr_g300n_init(void)
 121 {
 122         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 123
 124         rt305x_flash0_data.nr_parts = ARRAY_SIZE(whr_g300n_partitions);
 125         rt305x_flash0_data.parts = whr_g300n_partitions;
 126         rt305x_register_flash(0);
 127
 128         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 129         rt305x_register_ethernet();
 130         ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
 131                                   whr_g300n_leds_gpio);
 132         ramips_register_gpio_buttons(-1, WHR_G300N_KEYS_POLL_INTERVAL,
 133                                      ARRAY_SIZE(whr_g300n_gpio_buttons),
 134                                      whr_g300n_gpio_buttons);
 135         rt305x_register_wifi();
 136         rt305x_register_wdt();
 137 }
 138
 139 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "WHR-G300N", "Buffalo WHR-G300N",
 140              whr_g300n_init);