target/linux/ar71xx/files/arch/mips/ath79/mach-tew-632brp.c

   1 /*
   2  *  TrendNET TEW-632BRP board support
   3  *
   4  *  Copyright (C) 2008-2012 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-ath79/ath79.h>
  16
  17 #include "dev-eth.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-wmac.h"
  22 #include "machtypes.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 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           = 0x0e0000,
  51         }, {
  52                 .name           = "rootfs",
  53                 .offset         = 0x110000,
  54                 .size           = 0x2e0000,
  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
  67 static struct flash_platform_data tew_632brp_flash_data = {
  68         .parts          = tew_632brp_partitions,
  69         .nr_parts       = ARRAY_SIZE(tew_632brp_partitions),
  70 };
  71
  72 static struct gpio_led tew_632brp_leds_gpio[] __initdata = {
  73         {
  74                 .name           = "tew-632brp:green:status",
  75                 .gpio           = TEW_632BRP_GPIO_LED_STATUS,
  76                 .active_low     = 1,
  77         }, {
  78                 .name           = "tew-632brp:blue:wps",
  79                 .gpio           = TEW_632BRP_GPIO_LED_WPS,
  80                 .active_low     = 1,
  81         }, {
  82                 .name           = "tew-632brp:green:wlan",
  83                 .gpio           = TEW_632BRP_GPIO_LED_WLAN,
  84                 .active_low     = 1,
  85         }
  86 };
  87
  88 static struct gpio_keys_button tew_632brp_gpio_keys[] __initdata = {
  89         {
  90                 .desc           = "reset",
  91                 .type           = EV_KEY,
  92                 .code           = KEY_RESTART,
  93                 .debounce_interval = TEW_632BRP_KEYS_DEBOUNCE_INTERVAL,
  94                 .gpio           = TEW_632BRP_GPIO_BTN_RESET,
  95         }, {
  96                 .desc           = "wps",
  97                 .type           = EV_KEY,
  98                 .code           = KEY_WPS_BUTTON,
  99                 .debounce_interval = TEW_632BRP_KEYS_DEBOUNCE_INTERVAL,
 100                 .gpio           = TEW_632BRP_GPIO_BTN_WPS,
 101         }
 102 };
 103
 104 #define TEW_632BRP_LAN_PHYMASK  BIT(0)
 105 #define TEW_632BRP_WAN_PHYMASK  BIT(4)
 106 #define TEW_632BRP_MDIO_MASK    (~(TEW_632BRP_LAN_PHYMASK | \
 107                                    TEW_632BRP_WAN_PHYMASK))
 108
 109 static void __init tew_632brp_setup(void)
 110 {
 111         const char *config = (char *) KSEG1ADDR(TEW_632BRP_CONFIG_ADDR);
 112         u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
 113         u8 mac[6];
 114         u8 *wlan_mac = NULL;
 115
 116         if (ath79_nvram_parse_mac_addr(config, TEW_632BRP_CONFIG_SIZE,
 117                                        "lan_mac=", mac) == 0) {
 118                 ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 119                 ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
 120                 wlan_mac = mac;
 121         }
 122
 123         ath79_register_mdio(0, TEW_632BRP_MDIO_MASK);
 124
 125         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 126         ath79_eth0_data.phy_mask = TEW_632BRP_LAN_PHYMASK;
 127
 128         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 129         ath79_eth1_data.phy_mask = TEW_632BRP_WAN_PHYMASK;
 130
 131         ath79_register_eth(0);
 132         ath79_register_eth(1);
 133
 134         ath79_register_m25p80(&tew_632brp_flash_data);
 135
 136         ath79_register_leds_gpio(-1, ARRAY_SIZE(tew_632brp_leds_gpio),
 137                                  tew_632brp_leds_gpio);
 138
 139         ath79_register_gpio_keys_polled(-1, TEW_632BRP_KEYS_POLL_INTERVAL,
 140                                         ARRAY_SIZE(tew_632brp_gpio_keys),
 141                                         tew_632brp_gpio_keys);
 142
 143         ath79_register_wmac(eeprom, wlan_mac);
 144 }
 145
 146 MIPS_MACHINE(ATH79_MACH_TEW_632BRP, "TEW-632BRP", "TRENDnet TEW-632BRP",
 147              tew_632brp_setup);