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 #include "nvram.h"
  24
  25 #define WRT400N_GPIO_LED_ORANGE 5
  26 #define WRT400N_GPIO_LED_GREEN  4
  27 #define WRT400N_GPIO_LED_POWER  1
  28 #define WRT400N_GPIO_LED_WLAN   0
  29
  30 #define WRT400N_GPIO_BTN_RESET  8
  31 #define WRT400N_GPIO_BTN_WLSEC  3
  32
  33 #define WRT400N_BUTTONS_POLL_INTERVAL   20
  34
  35 #define WRT400N_MAC_ADDR_OFFSET         0x120c
  36 #define WRT400N_CALDATA0_OFFSET         0x1000
  37 #define WRT400N_CALDATA1_OFFSET         0x5000
  38
  39 #ifdef CONFIG_MTD_PARTITIONS
  40 static struct mtd_partition wrt400n_partitions[] = {
  41         {
  42                 .name           = "uboot",
  43                 .offset         = 0,
  44                 .size           = 0x030000,
  45                 .mask_flags     = MTD_WRITEABLE,
  46         } , {
  47                 .name           = "env",
  48                 .offset         = 0x030000,
  49                 .size           = 0x010000,
  50                 .mask_flags     = MTD_WRITEABLE,
  51         } , {
  52                 .name           = "linux",
  53                 .offset         = 0x040000,
  54                 .size           = 0x140000,
  55         } , {
  56                 .name           = "rootfs",
  57                 .offset         = 0x180000,
  58                 .size           = 0x630000,
  59         } , {
  60                 .name           = "nvram",
  61                 .offset         = 0x7b0000,
  62                 .size           = 0x010000,
  63                 .mask_flags     = MTD_WRITEABLE,
  64         } , {
  65                 .name           = "factory",
  66                 .offset         = 0x7c0000,
  67                 .size           = 0x010000,
  68                 .mask_flags     = MTD_WRITEABLE,
  69         } , {
  70                 .name           = "language",
  71                 .offset         = 0x7d0000,
  72                 .size           = 0x020000,
  73                 .mask_flags     = MTD_WRITEABLE,
  74         } , {
  75                 .name           = "caldata",
  76                 .offset         = 0x7f0000,
  77                 .size           = 0x010000,
  78                 .mask_flags     = MTD_WRITEABLE,
  79         } , {
  80                 .name           = "firmware",
  81                 .offset         = 0x040000,
  82                 .size           = 0x770000,
  83         }
  84 };
  85 #endif /* CONFIG_MTD_PARTITIONS */
  86
  87 static struct flash_platform_data wrt400n_flash_data = {
  88 #ifdef CONFIG_MTD_PARTITIONS
  89         .parts          = wrt400n_partitions,
  90         .nr_parts       = ARRAY_SIZE(wrt400n_partitions),
  91 #endif
  92 };
  93
  94 static struct gpio_led wrt400n_leds_gpio[] __initdata = {
  95         {
  96                 .name           = "wrt400n:green:status",
  97                 .gpio           = WRT400N_GPIO_LED_GREEN,
  98                 .active_low     = 1,
  99         }, {
 100                 .name           = "wrt400n:amber:aoss",
 101                 .gpio           = WRT400N_GPIO_LED_ORANGE,
 102                 .active_low     = 1,
 103         }, {
 104                 .name           = "wrt400n:green:wlan",
 105                 .gpio           = WRT400N_GPIO_LED_WLAN,
 106                 .active_low     = 1,
 107         }, {
 108                 .name           = "wrt400n:green:power",
 109                 .gpio           = WRT400N_GPIO_LED_POWER,
 110                 .active_low     = 1,
 111         }
 112 };
 113
 114 static struct gpio_button wrt400n_gpio_buttons[] __initdata = {
 115         {
 116                 .desc           = "reset",
 117                 .type           = EV_KEY,
 118                 .code           = BTN_0,
 119                 .threshold      = 5,
 120                 .gpio           = WRT400N_GPIO_BTN_RESET,
 121                 .active_low     = 1,
 122         } , {
 123                 .desc           = "wlsec",
 124                 .type           = EV_KEY,
 125                 .code           = BTN_1,
 126                 .threshold      = 5,
 127                 .gpio           = WRT400N_GPIO_BTN_WLSEC,
 128                 .active_low     = 1,
 129         }
 130 };
 131
 132 static void __init wrt400n_setup(void)
 133 {
 134         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 135         u8 mac[6];
 136         int i;
 137
 138         memcpy(mac, art + WRT400N_MAC_ADDR_OFFSET, 6);
 139         for (i = 5; i >= 3; i--)
 140                 if (++mac[i] != 0x00) break;
 141
 142         ar71xx_set_mac_base(mac);
 143
 144         ar71xx_add_device_mdio(0x0);
 145
 146         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 147         ar71xx_eth0_data.phy_mask = 0xf;
 148         ar71xx_eth0_data.speed = SPEED_100;
 149         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 150         ar71xx_eth0_data.has_ar8216 = 1;
 151
 152         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 153         ar71xx_eth1_data.phy_mask = 0x10;
 154
 155         ar71xx_add_device_eth(0);
 156         ar71xx_add_device_eth(1);
 157
 158         ar71xx_add_device_m25p80(&wrt400n_flash_data);
 159
 160         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt400n_leds_gpio),
 161                                         wrt400n_leds_gpio);
 162
 163         ar71xx_add_device_gpio_buttons(-1, WRT400N_BUTTONS_POLL_INTERVAL,
 164                                         ARRAY_SIZE(wrt400n_gpio_buttons),
 165                                         wrt400n_gpio_buttons);
 166
 167         ap94_pci_init(art + WRT400N_CALDATA0_OFFSET, NULL,
 168                       art + WRT400N_CALDATA1_OFFSET, NULL);
 169 }
 170
 171 MIPS_MACHINE(AR71XX_MACH_WRT400N, "WRT400N", "Linksys WRT400N", wrt400n_setup);