target/linux/ar71xx/files/arch/mips/ar71xx/mach-wrt160nl.c

   1 /*
   2  *  Linksys WRT160NL board support
   3  *
   4  *  Copyright (C) 2009 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/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13
  14 #include <asm/mach-ar71xx/ar71xx.h>
  15
  16 #include "machtype.h"
  17 #include "devices.h"
  18 #include "dev-m25p80.h"
  19 #include "dev-ar913x-wmac.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22 #include "dev-usb.h"
  23 #include "nvram.h"
  24
  25 #define WRT160NL_GPIO_LED_POWER         14
  26 #define WRT160NL_GPIO_LED_WPS_AMBER     9
  27 #define WRT160NL_GPIO_LED_WPS_BLUE      8
  28 #define WRT160NL_GPIO_LED_WLAN          6
  29
  30 #define WRT160NL_GPIO_BTN_WPS           7
  31 #define WRT160NL_GPIO_BTN_RESET         21
  32
  33 #define WRT160NL_BUTTONS_POLL_INTERVAL  20
  34
  35 #define WRT160NL_NVRAM_ADDR     0x1f7e0000
  36 #define WRT160NL_NVRAM_SIZE     0x10000
  37
  38 #ifdef CONFIG_MTD_PARTITIONS
  39 static struct mtd_partition wrt160nl_partitions[] = {
  40         {
  41                 .name           = "u-boot",
  42                 .offset         = 0,
  43                 .size           = 0x040000,
  44                 .mask_flags     = MTD_WRITEABLE,
  45         }, {
  46                 .name           = "kernel",
  47                 .offset         = 0x040000,
  48                 .size           = 0x0e0000,
  49         }, {
  50                 .name           = "filesytem",
  51                 .offset         = 0x120000,
  52                 .size           = 0x6c0000,
  53         }, {
  54                 .name           = "nvram",
  55                 .offset         = 0x7e0000,
  56                 .size           = 0x010000,
  57                 .mask_flags     = MTD_WRITEABLE,
  58         }, {
  59                 .name           = "ART",
  60                 .offset         = 0x7f0000,
  61                 .size           = 0x010000,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         }, {
  64                 .name           = "firmware",
  65                 .offset         = 0x040000,
  66                 .size           = 0x7a0000,
  67         }
  68 };
  69 #endif /* CONFIG_MTD_PARTITIONS */
  70
  71 static struct flash_platform_data wrt160nl_flash_data = {
  72 #ifdef CONFIG_MTD_PARTITIONS
  73         .parts          = wrt160nl_partitions,
  74         .nr_parts       = ARRAY_SIZE(wrt160nl_partitions),
  75 #endif
  76 };
  77
  78 static struct gpio_led wrt160nl_leds_gpio[] __initdata = {
  79         {
  80                 .name           = "wrt160nl:blue:power",
  81                 .gpio           = WRT160NL_GPIO_LED_POWER,
  82                 .active_low     = 1,
  83                 .default_trigger = "default-on",
  84         }, {
  85                 .name           = "wrt160nl:amber:wps",
  86                 .gpio           = WRT160NL_GPIO_LED_WPS_AMBER,
  87                 .active_low     = 1,
  88         }, {
  89                 .name           = "wrt160nl:blue:wps",
  90                 .gpio           = WRT160NL_GPIO_LED_WPS_BLUE,
  91                 .active_low     = 1,
  92         }, {
  93                 .name           = "wrt160nl:blue:wlan",
  94                 .gpio           = WRT160NL_GPIO_LED_WLAN,
  95                 .active_low     = 1,
  96         }
  97 };
  98
  99 static struct gpio_button wrt160nl_gpio_buttons[] __initdata = {
 100         {
 101                 .desc           = "reset",
 102                 .type           = EV_KEY,
 103                 .code           = KEY_RESTART,
 104                 .threshold      = 3,
 105                 .gpio           = WRT160NL_GPIO_BTN_RESET,
 106                 .active_low     = 1,
 107         }, {
 108                 .desc           = "wps",
 109                 .type           = EV_KEY,
 110                 .code           = KEY_WPS_BUTTON,
 111                 .threshold      = 3,
 112                 .gpio           = WRT160NL_GPIO_BTN_WPS,
 113                 .active_low     = 1,
 114         }
 115 };
 116
 117 static void __init wrt160nl_setup(void)
 118 {
 119         const char *nvram = (char *) KSEG1ADDR(WRT160NL_NVRAM_ADDR);
 120         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 121         u8 mac[6];
 122
 123         if (nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
 124                                  "lan_hwaddr=", mac) == 0) {
 125                 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 126                 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 127         }
 128
 129         ar71xx_add_device_mdio(0x0);
 130
 131         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 132         ar71xx_eth0_data.phy_mask = 0x01;
 133
 134         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 135         ar71xx_eth1_data.phy_mask = 0x10;
 136
 137         ar71xx_add_device_eth(0);
 138         ar71xx_add_device_eth(1);
 139
 140         ar71xx_add_device_m25p80(&wrt160nl_flash_data);
 141
 142         ar71xx_add_device_usb();
 143
 144         if (nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
 145                                  "wl0_hwaddr=", mac) == 0)
 146                 ar913x_add_device_wmac(eeprom, mac);
 147         else
 148                 ar913x_add_device_wmac(eeprom, NULL);
 149
 150         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt160nl_leds_gpio),
 151                                         wrt160nl_leds_gpio);
 152
 153         ar71xx_add_device_gpio_buttons(-1, WRT160NL_BUTTONS_POLL_INTERVAL,
 154                                         ARRAY_SIZE(wrt160nl_gpio_buttons),
 155                                         wrt160nl_gpio_buttons);
 156
 157 }
 158
 159 MIPS_MACHINE(AR71XX_MACH_WRT160NL, "WRT160NL", "Linksys WRT160NL",
 160              wrt160nl_setup);