target/linux/ar71xx/files/arch/mips/ar71xx/mach-wrt400n.c

   1 /*
   2  *  Linksys WRT400N board support
   3  *
   4  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2009 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/input.h>
  18
  19 #include <asm/mips_machine.h>
  20 #include <asm/mach-ar71xx/ar71xx.h>
  21
  22 #include "devices.h"
  23
  24 #define WRT400N_GPIO_LED_ORANGE 5
  25 #define WRT400N_GPIO_LED_GREEN  4
  26 #define WRT400N_GPIO_LED_POWER  1
  27 #define WRT400N_GPIO_LED_WLAN   0
  28
  29 #define WRT400N_GPIO_BTN_RESET  8
  30 #define WRT400N_GPIO_BTN_WLSEC  3
  31
  32 #define WRT400N_BUTTONS_POLL_INTERVAL   20
  33
  34 #ifdef CONFIG_MTD_PARTITIONS
  35 static struct mtd_partition wrt400n_partitions[] = {
  36         {
  37                 .name           = "uboot",
  38                 .offset         = 0,
  39                 .size           = 0x030000,
  40                 .mask_flags     = MTD_WRITEABLE,
  41         } , {
  42                 .name           = "env",
  43                 .offset         = 0x030000,
  44                 .size           = 0x010000,
  45                 .mask_flags     = MTD_WRITEABLE,
  46         } , {
  47                 .name           = "linux",
  48                 .offset         = 0x040000,
  49                 .size           = 0x770000,
  50         } , {
  51                 .name           = "kernel",
  52                 .offset         = 0x040000,
  53                 .size           = 0x140000,
  54         } , {
  55                 .name           = "rootfs",
  56                 .offset         = 0x180000,
  57                 .size           = 0x630000,
  58         } , {
  59                 .name           = "nvram",
  60                 .offset         = 0x7b0000,
  61                 .size           = 0x010000,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         } , {
  64                 .name           = "factory",
  65                 .offset         = 0x7c0000,
  66                 .size           = 0x010000,
  67                 .mask_flags     = MTD_WRITEABLE,
  68         } , {
  69                 .name           = "language",
  70                 .offset         = 0x7d0000,
  71                 .size           = 0x020000,
  72                 .mask_flags     = MTD_WRITEABLE,
  73         } , {
  74                 .name           = "caldata",
  75                 .offset         = 0x7f0000,
  76                 .size           = 0x010000,
  77                 .mask_flags     = MTD_WRITEABLE,
  78         }
  79 };
  80 #endif /* CONFIG_MTD_PARTITIONS */
  81
  82 static struct flash_platform_data wrt400n_flash_data = {
  83 #ifdef CONFIG_MTD_PARTITIONS
  84         .parts          = wrt400n_partitions,
  85         .nr_parts       = ARRAY_SIZE(wrt400n_partitions),
  86 #endif
  87 };
  88
  89 static struct spi_board_info wrt400n_spi_info[] = {
  90         {
  91                 .bus_num        = 0,
  92                 .chip_select    = 0,
  93                 .max_speed_hz   = 25000000,
  94                 .modalias       = "m25p80",
  95                 .platform_data  = &wrt400n_flash_data,
  96         }
  97 };
  98
  99 static struct gpio_led wrt400n_leds_gpio[] __initdata = {
 100         {
 101                 .name           = "wrt400n:green:status",
 102                 .gpio           = WRT400N_GPIO_LED_GREEN,
 103                 .active_low     = 1,
 104         }, {
 105                 .name           = "wrt400n:amber:aoss",
 106                 .gpio           = WRT400N_GPIO_LED_ORANGE,
 107                 .active_low     = 1,
 108         }, {
 109                 .name           = "wrt400n:green:wlan",
 110                 .gpio           = WRT400N_GPIO_LED_WLAN,
 111                 .active_low     = 1,
 112         }, {
 113                 .name           = "wrt400n:green:power",
 114                 .gpio           = WRT400N_GPIO_LED_POWER,
 115                 .active_low     = 1,
 116         }
 117 };
 118
 119 static struct gpio_button wrt400n_gpio_buttons[] __initdata = {
 120         {
 121                 .desc           = "reset",
 122                 .type           = EV_KEY,
 123                 .code           = BTN_0,
 124                 .threshold      = 5,
 125                 .gpio           = WRT400N_GPIO_BTN_RESET,
 126                 .active_low     = 1,
 127         } , {
 128                 .desc           = "wlsec",
 129                 .type           = EV_KEY,
 130                 .code           = BTN_1,
 131                 .threshold      = 5,
 132                 .gpio           = WRT400N_GPIO_BTN_WLSEC,
 133                 .active_low     = 1,
 134         }
 135 };
 136
 137 static void __init wrt400n_setup(void)
 138 {
 139         ar71xx_add_device_mdio(0x0);
 140
 141         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 142         ar71xx_eth0_data.phy_mask = 0xf;
 143         ar71xx_eth0_data.speed = SPEED_100;
 144         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 145         ar71xx_eth0_data.has_ar8216 = 1;
 146
 147         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 148         ar71xx_eth1_data.phy_mask = 0x10;
 149
 150         ar71xx_add_device_eth(0);
 151         ar71xx_add_device_eth(1);
 152
 153         ar71xx_add_device_spi(NULL, wrt400n_spi_info,
 154                               ARRAY_SIZE(wrt400n_spi_info));
 155
 156         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt400n_leds_gpio),
 157                                         wrt400n_leds_gpio);
 158
 159         ar71xx_add_device_gpio_buttons(-1, WRT400N_BUTTONS_POLL_INTERVAL,
 160                                         ARRAY_SIZE(wrt400n_gpio_buttons),
 161                                         wrt400n_gpio_buttons);
 162
 163         /* TODO: PCI support */
 164 }
 165
 166 MIPS_MACHINE(AR71XX_MACH_WRT400N, "Linksys WRT400N", wrt400n_setup);