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-ar9xxx-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_KEYS_POLL_INTERVAL     20      /* msecs */
  34 #define WRT160NL_KEYS_DEBOUNCE_INTERVAL (3 * WRT160NL_KEYS_POLL_INTERVAL)
  35
  36 #define WRT160NL_NVRAM_ADDR     0x1f7e0000
  37 #define WRT160NL_NVRAM_SIZE     0x10000
  38
  39 #ifdef CONFIG_MTD_PARTITIONS
  40 static struct mtd_partition wrt160nl_partitions[] = {
  41         {
  42                 .name           = "u-boot",
  43                 .offset         = 0,
  44                 .size           = 0x040000,
  45                 .mask_flags     = MTD_WRITEABLE,
  46         }, {
  47                 .name           = "kernel",
  48                 .offset         = 0x040000,
  49                 .size           = 0x0e0000,
  50         }, {
  51                 .name           = "filesytem",
  52                 .offset         = 0x120000,
  53                 .size           = 0x6c0000,
  54         }, {
  55                 .name           = "nvram",
  56                 .offset         = 0x7e0000,
  57                 .size           = 0x010000,
  58                 .mask_flags     = MTD_WRITEABLE,
  59         }, {
  60                 .name           = "ART",
  61                 .offset         = 0x7f0000,
  62                 .size           = 0x010000,
  63                 .mask_flags     = MTD_WRITEABLE,
  64         }, {
  65                 .name           = "firmware",
  66                 .offset         = 0x040000,
  67                 .size           = 0x7a0000,
  68         }
  69 };
  70 #endif /* CONFIG_MTD_PARTITIONS */
  71
  72 static struct flash_platform_data wrt160nl_flash_data = {
  73 #ifdef CONFIG_MTD_PARTITIONS
  74         .parts          = wrt160nl_partitions,
  75         .nr_parts       = ARRAY_SIZE(wrt160nl_partitions),
  76 #endif
  77 };
  78
  79 static struct gpio_led wrt160nl_leds_gpio[] __initdata = {
  80         {
  81                 .name           = "wrt160nl:blue:power",
  82                 .gpio           = WRT160NL_GPIO_LED_POWER,
  83                 .active_low     = 1,
  84                 .default_trigger = "default-on",
  85         }, {
  86                 .name           = "wrt160nl:amber:wps",
  87                 .gpio           = WRT160NL_GPIO_LED_WPS_AMBER,
  88                 .active_low     = 1,
  89         }, {
  90                 .name           = "wrt160nl:blue:wps",
  91                 .gpio           = WRT160NL_GPIO_LED_WPS_BLUE,
  92                 .active_low     = 1,
  93         }, {
  94                 .name           = "wrt160nl:blue:wlan",
  95                 .gpio           = WRT160NL_GPIO_LED_WLAN,
  96                 .active_low     = 1,
  97         }
  98 };
  99
 100 static struct gpio_keys_button wrt160nl_gpio_keys[] __initdata = {
 101         {
 102                 .desc           = "reset",
 103                 .type           = EV_KEY,
 104                 .code           = KEY_RESTART,
 105                 .debounce_interval = WRT160NL_KEYS_DEBOUNCE_INTERVAL,
 106                 .gpio           = WRT160NL_GPIO_BTN_RESET,
 107                 .active_low     = 1,
 108         }, {
 109                 .desc           = "wps",
 110                 .type           = EV_KEY,
 111                 .code           = KEY_WPS_BUTTON,
 112                 .debounce_interval = WRT160NL_KEYS_DEBOUNCE_INTERVAL,
 113                 .gpio           = WRT160NL_GPIO_BTN_WPS,
 114                 .active_low     = 1,
 115         }
 116 };
 117
 118 static void __init wrt160nl_setup(void)
 119 {
 120         const char *nvram = (char *) KSEG1ADDR(WRT160NL_NVRAM_ADDR);
 121         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 122         u8 mac[6];
 123
 124         if (nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
 125                                  "lan_hwaddr=", mac) == 0) {
 126                 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 127                 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 128         }
 129
 130         ar71xx_add_device_mdio(0x0);
 131
 132         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 133         ar71xx_eth0_data.phy_mask = 0x01;
 134
 135         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 136         ar71xx_eth1_data.phy_mask = 0x10;
 137
 138         ar71xx_add_device_eth(0);
 139         ar71xx_add_device_eth(1);
 140
 141         ar71xx_add_device_m25p80(&wrt160nl_flash_data);
 142
 143         ar71xx_add_device_usb();
 144
 145         if (nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
 146                                  "wl0_hwaddr=", mac) == 0)
 147                 ar9xxx_add_device_wmac(eeprom, mac);
 148         else
 149                 ar9xxx_add_device_wmac(eeprom, NULL);
 150
 151         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt160nl_leds_gpio),
 152                                         wrt160nl_leds_gpio);
 153
 154         ar71xx_register_gpio_keys_polled(-1, WRT160NL_KEYS_POLL_INTERVAL,
 155                                          ARRAY_SIZE(wrt160nl_gpio_keys),
 156                                          wrt160nl_gpio_keys);
 157
 158 }
 159
 160 MIPS_MACHINE(AR71XX_MACH_WRT160NL, "WRT160NL", "Linksys WRT160NL",
 161              wrt160nl_setup);