target/linux/ar71xx/files-3.2/arch/mips/ath79/mach-tl-wr741nd-v4.c

   1 /*
   2  *  TP-LINK TL-WR741ND v4 board support
   3  *
   4  *  Copyright (C) 2011-2012 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-ath79/ath79.h>
  14 #include <asm/mach-ath79/ar71xx_regs.h>
  15
  16 #include "common.h"
  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
  24 #define TL_WR741NDV4_GPIO_BTN_RESET     11
  25 #define TL_WR741NDV4_GPIO_BTN_WPS       26
  26
  27 #define TL_WR741NDV4_GPIO_LED_WLAN      0
  28 #define TL_WR741NDV4_GPIO_LED_QSS       1
  29 #define TL_WR741NDV4_GPIO_LED_WAN       13
  30 #define TL_WR741NDV4_GPIO_LED_LAN1      14
  31 #define TL_WR741NDV4_GPIO_LED_LAN2      15
  32 #define TL_WR741NDV4_GPIO_LED_LAN3      16
  33 #define TL_WR741NDV4_GPIO_LED_LAN4      17
  34
  35 #define TL_WR741NDV4_GPIO_LED_SYSTEM    27
  36
  37 #define TL_WR741NDV4_KEYS_POLL_INTERVAL 20      /* msecs */
  38 #define TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR741NDV4_KEYS_POLL_INTERVAL)
  39
  40 static const char *tl_wr741ndv4_part_probes[] = {
  41         "tp-link",
  42         NULL,
  43 };
  44
  45 static struct flash_platform_data tl_wr741ndv4_flash_data = {
  46         .part_probes    = tl_wr741ndv4_part_probes,
  47 };
  48
  49 static struct gpio_led tl_wr741ndv4_leds_gpio[] __initdata = {
  50         {
  51                 .name           = "tp-link:green:lan1",
  52                 .gpio           = TL_WR741NDV4_GPIO_LED_LAN1,
  53                 .active_low     = 0,
  54         }, {
  55                 .name           = "tp-link:green:lan2",
  56                 .gpio           = TL_WR741NDV4_GPIO_LED_LAN2,
  57                 .active_low     = 0,
  58         }, {
  59                 .name           = "tp-link:green:lan3",
  60                 .gpio           = TL_WR741NDV4_GPIO_LED_LAN3,
  61                 .active_low     = 0,
  62         }, {
  63                 .name           = "tp-link:green:lan4",
  64                 .gpio           = TL_WR741NDV4_GPIO_LED_LAN4,
  65                 .active_low     = 1,
  66         }, {
  67                 .name           = "tp-link:green:qss",
  68                 .gpio           = TL_WR741NDV4_GPIO_LED_QSS,
  69                 .active_low     = 0,
  70         }, {
  71                 .name           = "tp-link:green:system",
  72                 .gpio           = TL_WR741NDV4_GPIO_LED_SYSTEM,
  73                 .active_low     = 1,
  74         }, {
  75                 .name           = "tp-link:green:wan",
  76                 .gpio           = TL_WR741NDV4_GPIO_LED_WAN,
  77                 .active_low     = 0,
  78         }, {
  79                 .name           = "tp-link:green:wlan",
  80                 .gpio           = TL_WR741NDV4_GPIO_LED_WLAN,
  81                 .active_low     = 0,
  82         },
  83 };
  84
  85 static struct gpio_keys_button tl_wr741ndv4_gpio_keys[] __initdata = {
  86         {
  87                 .desc           = "reset",
  88                 .type           = EV_KEY,
  89                 .code           = KEY_RESTART,
  90                 .debounce_interval = TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL,
  91                 .gpio           = TL_WR741NDV4_GPIO_BTN_RESET,
  92                 .active_low     = 1,
  93         }, {
  94                 .desc           = "WPS",
  95                 .type           = EV_KEY,
  96                 .code           = KEY_WPS_BUTTON,
  97                 .debounce_interval = TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL,
  98                 .gpio           = TL_WR741NDV4_GPIO_BTN_WPS,
  99                 .active_low     = 1,
 100         }
 101 };
 102
 103 static void __init tl_wr741ndv4_gmac_setup(void)
 104 {
 105         void __iomem *base;
 106         u32 t;
 107
 108         base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
 109
 110         t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
 111         t |= (AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
 112         __raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
 113
 114         iounmap(base);
 115 }
 116
 117 static void __init tl_wr741ndv4_setup(void)
 118 {
 119         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 120         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 121
 122         tl_wr741ndv4_gmac_setup();
 123
 124         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 125                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 126                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 127                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 128                                     AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 129
 130         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr741ndv4_leds_gpio),
 131                                  tl_wr741ndv4_leds_gpio);
 132
 133         ath79_register_gpio_keys_polled(1, TL_WR741NDV4_KEYS_POLL_INTERVAL,
 134                                         ARRAY_SIZE(tl_wr741ndv4_gpio_keys),
 135                                         tl_wr741ndv4_gpio_keys);
 136
 137         ath79_register_m25p80(&tl_wr741ndv4_flash_data);
 138         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
 139         ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
 140
 141         ath79_register_mdio(0, 0x0);
 142         ath79_register_eth(1);
 143         ath79_register_eth(0);
 144
 145         ath79_register_wmac(ee, mac);
 146 }
 147
 148 MIPS_MACHINE(ATH79_MACH_TL_WR741ND_V4, "TL-WR741ND-v4",
 149              "TP-LINK TL-WR741ND v4", tl_wr741ndv4_setup);