target/linux/ar71xx/files/arch/mips/ar71xx/mach-tew-632brp.c

   1 /*
   2  *  TrendNET TEW-632BRP board support
   3  *
   4  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 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-m25p80.h"
  20 #include "dev-ar913x-wmac.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "nvram.h"
  24
  25 #define TEW_632BRP_GPIO_LED_STATUS      1
  26 #define TEW_632BRP_GPIO_LED_WPS         3
  27 #define TEW_632BRP_GPIO_LED_WLAN        6
  28 #define TEW_632BRP_GPIO_BTN_WPS         12
  29 #define TEW_632BRP_GPIO_BTN_RESET       21
  30
  31 #define TEW_632BRP_BUTTONS_POLL_INTERVAL        20
  32
  33 #define TEW_632BRP_CONFIG_ADDR  0x1f020000
  34 #define TEW_632BRP_CONFIG_SIZE  0x10000
  35
  36 #ifdef CONFIG_MTD_PARTITIONS
  37 static struct mtd_partition tew_632brp_partitions[] = {
  38         {
  39                 .name           = "u-boot",
  40                 .offset         = 0,
  41                 .size           = 0x020000,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         } , {
  44                 .name           = "config",
  45                 .offset         = 0x020000,
  46                 .size           = 0x010000,
  47         } , {
  48                 .name           = "kernel",
  49                 .offset         = 0x030000,
  50                 .size           = 0x0d0000,
  51         } , {
  52                 .name           = "rootfs",
  53                 .offset         = 0x100000,
  54                 .size           = 0x2f0000,
  55         } , {
  56                 .name           = "art",
  57                 .offset         = 0x3f0000,
  58                 .size           = 0x010000,
  59                 .mask_flags     = MTD_WRITEABLE,
  60         } , {
  61                 .name           = "firmware",
  62                 .offset         = 0x030000,
  63                 .size           = 0x3c0000,
  64         }
  65 };
  66 #endif /* CONFIG_MTD_PARTITIONS */
  67
  68 static struct flash_platform_data tew_632brp_flash_data = {
  69 #ifdef CONFIG_MTD_PARTITIONS
  70         .parts          = tew_632brp_partitions,
  71         .nr_parts       = ARRAY_SIZE(tew_632brp_partitions),
  72 #endif
  73 };
  74
  75 static struct gpio_led tew_632brp_leds_gpio[] __initdata = {
  76         {
  77                 .name           = "tew-632brp:green:status",
  78                 .gpio           = TEW_632BRP_GPIO_LED_STATUS,
  79                 .active_low     = 1,
  80         }, {
  81                 .name           = "tew-632brp:blue:wps",
  82                 .gpio           = TEW_632BRP_GPIO_LED_WPS,
  83                 .active_low     = 1,
  84         }, {
  85                 .name           = "tew-632brp:green:wlan",
  86                 .gpio           = TEW_632BRP_GPIO_LED_WLAN,
  87                 .active_low     = 1,
  88         }
  89 };
  90
  91 static struct gpio_button tew_632brp_gpio_buttons[] __initdata = {
  92         {
  93                 .desc           = "reset",
  94                 .type           = EV_KEY,
  95                 .code           = KEY_RESTART,
  96                 .threshold      = 3,
  97                 .gpio           = TEW_632BRP_GPIO_BTN_RESET,
  98         }, {
  99                 .desc           = "wps",
 100                 .type           = EV_KEY,
 101                 .code           = KEY_WPS_BUTTON,
 102                 .threshold      = 3,
 103                 .gpio           = TEW_632BRP_GPIO_BTN_WPS,
 104         }
 105 };
 106
 107 #define TEW_632BRP_LAN_PHYMASK  BIT(0)
 108 #define TEW_632BRP_WAN_PHYMASK  BIT(4)
 109 #define TEW_632BRP_MDIO_MASK    (~(TEW_632BRP_LAN_PHYMASK | \
 110                                    TEW_632BRP_WAN_PHYMASK))
 111
 112 static void __init tew_632brp_setup(void)
 113 {
 114         const char *config = (char *) KSEG1ADDR(TEW_632BRP_CONFIG_ADDR);
 115         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 116         u8 mac[6];
 117         u8 *wlan_mac = NULL;
 118
 119         if (nvram_parse_mac_addr(config, TEW_632BRP_CONFIG_SIZE,
 120                                  "lan_mac=", mac) == 0) {
 121                 ar71xx_set_mac_base(mac);
 122                 wlan_mac = mac;
 123         }
 124
 125         ar71xx_add_device_mdio(TEW_632BRP_MDIO_MASK);
 126
 127         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 128         ar71xx_eth0_data.phy_mask = TEW_632BRP_LAN_PHYMASK;
 129
 130         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 131         ar71xx_eth1_data.phy_mask = TEW_632BRP_WAN_PHYMASK;
 132
 133         ar71xx_add_device_eth(0);
 134         ar71xx_add_device_eth(1);
 135
 136         ar71xx_add_device_m25p80(&tew_632brp_flash_data);
 137
 138         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tew_632brp_leds_gpio),
 139                                         tew_632brp_leds_gpio);
 140
 141         ar71xx_add_device_gpio_buttons(-1, TEW_632BRP_BUTTONS_POLL_INTERVAL,
 142                                         ARRAY_SIZE(tew_632brp_gpio_buttons),
 143                                         tew_632brp_gpio_buttons);
 144
 145         ar913x_add_device_wmac(eeprom, wlan_mac);
 146 }
 147
 148 MIPS_MACHINE(AR71XX_MACH_TEW_632BRP, "TEW-632BRP", "TRENDnet TEW-632BRP",
 149              tew_632brp_setup);