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 physmap_flash_data whr_g300n_flash_data = {
  73         .nr_parts       = ARRAY_SIZE(whr_g300n_partitions),
  74         .parts          = whr_g300n_partitions,
  75 };
  76
  77 static struct gpio_led whr_g300n_leds_gpio[] __initdata = {
  78         {
  79                 .name           = "whr-g300n:red:diag",
  80                 .gpio           = WHR_G300N_GPIO_LED_DIAG,
  81                 .active_low     = 1,
  82         }, {
  83                 .name           = "whr-g300n:green:router",
  84                 .gpio           = WHR_G300N_GPIO_LED_ROUTER,
  85                 .active_low     = 1,
  86         }, {
  87                 .name           = "whr-g300n:amber:security",
  88                 .gpio           = WHR_G300N_GPIO_LED_SECURITY,
  89                 .active_low     = 1,
  90         }
  91 };
  92
  93 static struct gpio_keys_button whr_g300n_gpio_buttons[] __initdata = {
  94         {
  95                 .desc           = "reset",
  96                 .type           = EV_KEY,
  97                 .code           = KEY_RESTART,
  98                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
  99                 .gpio           = WHR_G300N_GPIO_BUTTON_RESET,
 100                 .active_low     = 1,
 101         }, {
 102                 .desc           = "aoss",
 103                 .type           = EV_KEY,
 104                 .code           = KEY_WPS_BUTTON,
 105                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 106                 .gpio           = WHR_G300N_GPIO_BUTTON_AOSS,
 107                 .active_low     = 1,
 108         }, {
 109                 .desc           = "router-off",
 110                 .type           = EV_KEY,
 111                 .code           = BTN_2,
 112                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 113                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_OFF,
 114                 .active_low     = 1,
 115         }, {
 116                 .desc           = "router-on",
 117                 .type           = EV_KEY,
 118                 .code           = BTN_3,
 119                 .debounce_interval = WHR_G300N_KEYS_DEBOUNCE_INTERVAL,
 120                 .gpio           = WHR_G300N_GPIO_BUTTON_ROUTER_ON,
 121                 .active_low     = 1,
 122         }
 123 };
 124
 125 static void __init whr_g300n_init(void)
 126 {
 127         rt305x_gpio_init(RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
 128
 129         rt305x_register_flash(0, &whr_g300n_flash_data);
 130         rt305x_esw_data.vlan_config = RT305X_ESW_VLAN_CONFIG_LLLLW;
 131         rt305x_register_ethernet();
 132         ramips_register_gpio_leds(-1, ARRAY_SIZE(whr_g300n_leds_gpio),
 133                                   whr_g300n_leds_gpio);
 134         ramips_register_gpio_buttons(-1, WHR_G300N_KEYS_POLL_INTERVAL,
 135                                      ARRAY_SIZE(whr_g300n_gpio_buttons),
 136                                      whr_g300n_gpio_buttons);
 137         rt305x_register_wifi();
 138         rt305x_register_wdt();
 139 }
 140
 141 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "WHR-G300N", "Buffalo WHR-G300N",
 142              whr_g300n_init);