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

   1 /*
   2  *  Linksys WRT400N board support
   3  *
   4  *  Copyright (C) 2009-2010 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/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14
  15 #include <asm/mach-ar71xx/ar71xx.h>
  16
  17 #include "machtype.h"
  18 #include "devices.h"
  19 #include "dev-ap94-pci.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.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 #define WRT400N_MAC_ADDR_OFFSET         0x120c
  35 #define WRT400N_CALDATA0_OFFSET         0x1000
  36 #define WRT400N_CALDATA1_OFFSET         0x5000
  37
  38 #ifdef CONFIG_MTD_PARTITIONS
  39 static struct mtd_partition wrt400n_partitions[] = {
  40         {
  41                 .name           = "uboot",
  42                 .offset         = 0,
  43                 .size           = 0x030000,
  44                 .mask_flags     = MTD_WRITEABLE,
  45         } , {
  46                 .name           = "env",
  47                 .offset         = 0x030000,
  48                 .size           = 0x010000,
  49                 .mask_flags     = MTD_WRITEABLE,
  50         } , {
  51                 .name           = "linux",
  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                 .name           = "firmware",
  80                 .offset         = 0x040000,
  81                 .size           = 0x770000,
  82         }
  83 };
  84 #endif /* CONFIG_MTD_PARTITIONS */
  85
  86 static struct flash_platform_data wrt400n_flash_data = {
  87 #ifdef CONFIG_MTD_PARTITIONS
  88         .parts          = wrt400n_partitions,
  89         .nr_parts       = ARRAY_SIZE(wrt400n_partitions),
  90 #endif
  91 };
  92
  93 static struct gpio_led wrt400n_leds_gpio[] __initdata = {
  94         {
  95                 .name           = "wrt400n:green:status",
  96                 .gpio           = WRT400N_GPIO_LED_GREEN,
  97                 .active_low     = 1,
  98         }, {
  99                 .name           = "wrt400n:amber:aoss",
 100                 .gpio           = WRT400N_GPIO_LED_ORANGE,
 101                 .active_low     = 1,
 102         }, {
 103                 .name           = "wrt400n:green:wlan",
 104                 .gpio           = WRT400N_GPIO_LED_WLAN,
 105                 .active_low     = 1,
 106         }, {
 107                 .name           = "wrt400n:green:power",
 108                 .gpio           = WRT400N_GPIO_LED_POWER,
 109                 .active_low     = 1,
 110         }
 111 };
 112
 113 static struct gpio_button wrt400n_gpio_buttons[] __initdata = {
 114         {
 115                 .desc           = "reset",
 116                 .type           = EV_KEY,
 117                 .code           = KEY_RESTART,
 118                 .threshold      = 3,
 119                 .gpio           = WRT400N_GPIO_BTN_RESET,
 120                 .active_low     = 1,
 121         } , {
 122                 .desc           = "wlsec",
 123                 .type           = EV_KEY,
 124                 .code           = KEY_WPS_BUTTON,
 125                 .threshold      = 3,
 126                 .gpio           = WRT400N_GPIO_BTN_WLSEC,
 127                 .active_low     = 1,
 128         }
 129 };
 130
 131 static void __init wrt400n_setup(void)
 132 {
 133         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 134         u8 mac[6];
 135         int i;
 136
 137         memcpy(mac, art + WRT400N_MAC_ADDR_OFFSET, 6);
 138         for (i = 5; i >= 3; i--)
 139                 if (++mac[i] != 0x00) break;
 140
 141         ar71xx_set_mac_base(mac);
 142
 143         ar71xx_add_device_mdio(0x0);
 144
 145         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 146         ar71xx_eth0_data.speed = SPEED_100;
 147         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 148
 149         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 150         ar71xx_eth1_data.phy_mask = 0x10;
 151
 152         ar71xx_add_device_eth(0);
 153         ar71xx_add_device_eth(1);
 154
 155         ar71xx_add_device_m25p80(&wrt400n_flash_data);
 156
 157         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt400n_leds_gpio),
 158                                         wrt400n_leds_gpio);
 159
 160         ar71xx_add_device_gpio_buttons(-1, WRT400N_BUTTONS_POLL_INTERVAL,
 161                                         ARRAY_SIZE(wrt400n_gpio_buttons),
 162                                         wrt400n_gpio_buttons);
 163
 164         ap94_pci_init(art + WRT400N_CALDATA0_OFFSET, NULL,
 165                       art + WRT400N_CALDATA1_OFFSET, NULL);
 166 }
 167
 168 MIPS_MACHINE(AR71XX_MACH_WRT400N, "WRT400N", "Linksys WRT400N", wrt400n_setup);