target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr741nd-v4.c

   1 /*
   2  *  TP-LINK TL-WR741ND v4 board support
   3  *
   4  *  Copyright (C) 2011 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/gpio.h>
  12
  13 #include <asm/mach-ar71xx/ar71xx.h>
  14
  15 #include "machtype.h"
  16 #include "devices.h"
  17 #include "dev-ar9xxx-wmac.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21
  22 #define TL_WR741NDV4_GPIO_BTN_RESET     11
  23 #define TL_WR741NDV4_GPIO_BTN_WPS       26
  24
  25 #define TL_WR741NDV4_GPIO_LED_WLAN      0
  26 #define TL_WR741NDV4_GPIO_LED_QSS       1
  27 #define TL_WR741NDV4_GPIO_LED_SYSTEM    27
  28
  29 #define TL_WR741NDV4_KEYS_POLL_INTERVAL 20      /* msecs */
  30 #define TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR741NDV4_KEYS_POLL_INTERVAL)
  31
  32 static const char *tl_wr741ndv4_part_probes[] = {
  33         "tp-link",
  34         NULL,
  35 };
  36
  37 static struct flash_platform_data tl_wr741ndv4_flash_data = {
  38         .part_probes    = tl_wr741ndv4_part_probes,
  39 };
  40
  41 static struct gpio_led tl_wr741ndv4_leds_gpio[] __initdata = {
  42         {
  43                 .name           = "tp-link:green:system",
  44                 .gpio           = TL_WR741NDV4_GPIO_LED_SYSTEM,
  45                 .active_low     = 1,
  46         }, {
  47                 .name           = "tp-link:green:qss",
  48                 .gpio           = TL_WR741NDV4_GPIO_LED_QSS,
  49                 .active_low     = 0,
  50         }, {
  51                 .name           = "tp-link:green:wlan",
  52                 .gpio           = TL_WR741NDV4_GPIO_LED_WLAN,
  53                 .active_low     = 0,
  54         },
  55 };
  56
  57 static struct gpio_keys_button tl_wr741ndv4_gpio_keys[] __initdata = {
  58         {
  59                 .desc           = "reset",
  60                 .type           = EV_KEY,
  61                 .code           = KEY_RESTART,
  62                 .debounce_interval = TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL,
  63                 .gpio           = TL_WR741NDV4_GPIO_BTN_RESET,
  64                 .active_low     = 1,
  65         } , {
  66                 .desc           = "WPS",
  67                 .type           = EV_KEY,
  68                 .code           = KEY_WPS_BUTTON,
  69                 .debounce_interval = TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL,
  70                 .gpio           = TL_WR741NDV4_GPIO_BTN_WPS,
  71                 .active_low     = 1,
  72         }
  73 };
  74
  75 static void __init tl_wr741ndv4_gmac_setup(void)
  76 {
  77         void __iomem *base;
  78         u32 t;
  79
  80         base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
  81
  82         t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
  83         t |= (AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
  84         __raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
  85
  86         iounmap(base);
  87 }
  88
  89 static void __init tl_wr741ndv4_setup(void)
  90 {
  91         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  92         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  93
  94         tl_wr741ndv4_gmac_setup();
  95
  96         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr741ndv4_leds_gpio),
  97                                         tl_wr741ndv4_leds_gpio);
  98
  99         ar71xx_register_gpio_keys_polled(1, TL_WR741NDV4_KEYS_POLL_INTERVAL,
 100                                          ARRAY_SIZE(tl_wr741ndv4_gpio_keys),
 101                                          tl_wr741ndv4_gpio_keys);
 102
 103         ar71xx_add_device_m25p80(&tl_wr741ndv4_flash_data);
 104         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 1);
 105         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, -1);
 106
 107         ar71xx_add_device_mdio(0, 0x0);
 108         ar71xx_add_device_eth(1);
 109         ar71xx_add_device_eth(0);
 110
 111         ar9xxx_add_device_wmac(ee, mac);
 112 }
 113
 114 MIPS_MACHINE(AR71XX_MACH_TL_WR741ND_V4, "TL-WR741ND-v4",
 115              "TP-LINK TL-WR741ND v4", tl_wr741ndv4_setup);