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-ar9xxx-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_KEYS_POLL_INTERVAL   20      /* msecs */
  32 #define TEW_632BRP_KEYS_DEBOUNCE_INTERVAL (3 * TEW_632BRP_KEYS_POLL_INTERVAL)
  33
  34 #define TEW_632BRP_CONFIG_ADDR  0x1f020000
  35 #define TEW_632BRP_CONFIG_SIZE  0x10000
  36
  37 #ifdef CONFIG_MTD_PARTITIONS
  38 static struct mtd_partition tew_632brp_partitions[] = {
  39         {
  40                 .name           = "u-boot",
  41                 .offset         = 0,
  42                 .size           = 0x020000,
  43                 .mask_flags     = MTD_WRITEABLE,
  44         }, {
  45                 .name           = "config",
  46                 .offset         = 0x020000,
  47                 .size           = 0x010000,
  48         }, {
  49                 .name           = "kernel",
  50                 .offset         = 0x030000,
  51                 .size           = 0x0e0000,
  52         }, {
  53                 .name           = "rootfs",
  54                 .offset         = 0x110000,
  55                 .size           = 0x2e0000,
  56         }, {
  57                 .name           = "art",
  58                 .offset         = 0x3f0000,
  59                 .size           = 0x010000,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         }, {
  62                 .name           = "firmware",
  63                 .offset         = 0x030000,
  64                 .size           = 0x3c0000,
  65         }
  66 };
  67 #endif /* CONFIG_MTD_PARTITIONS */
  68
  69 static struct flash_platform_data tew_632brp_flash_data = {
  70 #ifdef CONFIG_MTD_PARTITIONS
  71         .parts          = tew_632brp_partitions,
  72         .nr_parts       = ARRAY_SIZE(tew_632brp_partitions),
  73 #endif
  74 };
  75
  76 static struct gpio_led tew_632brp_leds_gpio[] __initdata = {
  77         {
  78                 .name           = "tew-632brp:green:status",
  79                 .gpio           = TEW_632BRP_GPIO_LED_STATUS,
  80                 .active_low     = 1,
  81         }, {
  82                 .name           = "tew-632brp:blue:wps",
  83                 .gpio           = TEW_632BRP_GPIO_LED_WPS,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "tew-632brp:green:wlan",
  87                 .gpio           = TEW_632BRP_GPIO_LED_WLAN,
  88                 .active_low     = 1,
  89         }
  90 };
  91
  92 static struct gpio_keys_button tew_632brp_gpio_keys[] __initdata = {
  93         {
  94                 .desc           = "reset",
  95                 .type           = EV_KEY,
  96                 .code           = KEY_RESTART,
  97                 .debounce_interval = TEW_632BRP_KEYS_DEBOUNCE_INTERVAL,
  98                 .gpio           = TEW_632BRP_GPIO_BTN_RESET,
  99         }, {
 100                 .desc           = "wps",
 101                 .type           = EV_KEY,
 102                 .code           = KEY_WPS_BUTTON,
 103                 .debounce_interval = TEW_632BRP_KEYS_DEBOUNCE_INTERVAL,
 104                 .gpio           = TEW_632BRP_GPIO_BTN_WPS,
 105         }
 106 };
 107
 108 #define TEW_632BRP_LAN_PHYMASK  BIT(0)
 109 #define TEW_632BRP_WAN_PHYMASK  BIT(4)
 110 #define TEW_632BRP_MDIO_MASK    (~(TEW_632BRP_LAN_PHYMASK | \
 111                                    TEW_632BRP_WAN_PHYMASK))
 112
 113 static void __init tew_632brp_setup(void)
 114 {
 115         const char *config = (char *) KSEG1ADDR(TEW_632BRP_CONFIG_ADDR);
 116         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 117         u8 mac[6];
 118         u8 *wlan_mac = NULL;
 119
 120         if (nvram_parse_mac_addr(config, TEW_632BRP_CONFIG_SIZE,
 121                                 "lan_mac=", mac) == 0) {
 122                 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 123                 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 124                 wlan_mac = mac;
 125         }
 126
 127         ar71xx_add_device_mdio(0, TEW_632BRP_MDIO_MASK);
 128
 129         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 130         ar71xx_eth0_data.phy_mask = TEW_632BRP_LAN_PHYMASK;
 131
 132         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 133         ar71xx_eth1_data.phy_mask = TEW_632BRP_WAN_PHYMASK;
 134
 135         ar71xx_add_device_eth(0);
 136         ar71xx_add_device_eth(1);
 137
 138         ar71xx_add_device_m25p80(&tew_632brp_flash_data);
 139
 140         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tew_632brp_leds_gpio),
 141                                         tew_632brp_leds_gpio);
 142
 143         ar71xx_register_gpio_keys_polled(-1, TEW_632BRP_KEYS_POLL_INTERVAL,
 144                                          ARRAY_SIZE(tew_632brp_gpio_keys),
 145                                          tew_632brp_gpio_keys);
 146
 147         ar9xxx_add_device_wmac(eeprom, wlan_mac);
 148 }
 149
 150 MIPS_MACHINE(AR71XX_MACH_TEW_632BRP, "TEW-632BRP", "TRENDnet TEW-632BRP",
 151              tew_632brp_setup);