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/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/spi/flash.h>
  14 #include <linux/gpio.h>
  15
  16 #include <asm/mach-ar71xx/ar71xx.h>
  17
  18 #include "machtype.h"
  19 #include "devices.h"
  20 #include "dev-ar9xxx-wmac.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-m25p80.h"
  24
  25 #define TL_WR741NDV4_GPIO_BTN_RESET     11
  26 #define TL_WR741NDV4_GPIO_BTN_WPS       26
  27
  28 #define TL_WR741NDV4_GPIO_LED_WLAN      0
  29 #define TL_WR741NDV4_GPIO_LED_QSS       1
  30 #define TL_WR741NDV4_GPIO_LED_SYSTEM    27
  31
  32 #define TL_WR741NDV4_KEYS_POLL_INTERVAL 20      /* msecs */
  33 #define TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR741NDV4_KEYS_POLL_INTERVAL)
  34
  35 #ifdef CONFIG_MTD_PARTITIONS
  36 static struct mtd_partition tl_wr741ndv4_parts[] = {
  37         {
  38                 .name           = "u-boot",
  39                 .offset         = 0,
  40                 .size           = 0x020000,
  41                 .mask_flags     = MTD_WRITEABLE,
  42         }, {
  43                 .name           = "kernel",
  44                 .offset         = 0x020000,
  45                 .size           = 0x100000,
  46         }, {
  47                 .name           = "rootfs",
  48                 .offset         = 0x120000,
  49                 .size           = 0x2d0000,
  50         }, {
  51                 .name           = "art",
  52                 .offset         = 0x3f0000,
  53                 .size           = 0x010000,
  54                 .mask_flags     = MTD_WRITEABLE,
  55         }, {
  56                 .name           = "firmware",
  57                 .offset         = 0x020000,
  58                 .size           = 0x3d0000,
  59         }
  60 };
  61 #define tl_wr741ndv4_nr_parts   ARRAY_SIZE(tl_wr741ndv4_parts)
  62 #else
  63 #define tl_wr741ndv4_parts      NULL
  64 #define tl_wr741ndv4_nr_parts   0
  65 #endif /* CONFIG_MTD_PARTITIONS */
  66
  67 static struct flash_platform_data tl_wr741ndv4_flash_data = {
  68         .parts          = tl_wr741ndv4_parts,
  69         .nr_parts       = tl_wr741ndv4_nr_parts,
  70 };
  71
  72 static struct gpio_led tl_wr741ndv4_leds_gpio[] __initdata = {
  73         {
  74                 .name           = "tp-link:green:system",
  75                 .gpio           = TL_WR741NDV4_GPIO_LED_SYSTEM,
  76                 .active_low     = 1,
  77         }, {
  78                 .name           = "tp-link:green:qss",
  79                 .gpio           = TL_WR741NDV4_GPIO_LED_QSS,
  80                 .active_low     = 0,
  81         }, {
  82                 .name           = "tp-link:green:wlan",
  83                 .gpio           = TL_WR741NDV4_GPIO_LED_WLAN,
  84                 .active_low     = 0,
  85         },
  86 };
  87
  88 static struct gpio_keys_button tl_wr741ndv4_gpio_keys[] __initdata = {
  89         {
  90                 .desc           = "reset",
  91                 .type           = EV_KEY,
  92                 .code           = KEY_RESTART,
  93                 .debounce_interval = TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL,
  94                 .gpio           = TL_WR741NDV4_GPIO_BTN_RESET,
  95                 .active_low     = 1,
  96         } , {
  97                 .desc           = "WPS",
  98                 .type           = EV_KEY,
  99                 .code           = KEY_WPS_BUTTON,
 100                 .debounce_interval = TL_WR741NDV4_KEYS_DEBOUNCE_INTERVAL,
 101                 .gpio           = TL_WR741NDV4_GPIO_BTN_WPS,
 102                 .active_low     = 1,
 103         }
 104 };
 105
 106 static void __init tl_wr741ndv4_gmac_setup(void)
 107 {
 108         void __iomem *base;
 109         u32 t;
 110
 111         base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
 112
 113         t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
 114         t |= (AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
 115         __raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
 116
 117         iounmap(base);
 118 }
 119
 120 static void __init tl_wr741ndv4_setup(void)
 121 {
 122         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
 123         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
 124
 125         tl_wr741ndv4_gmac_setup();
 126
 127         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr741ndv4_leds_gpio),
 128                                         tl_wr741ndv4_leds_gpio);
 129
 130         ar71xx_register_gpio_keys_polled(1, TL_WR741NDV4_KEYS_POLL_INTERVAL,
 131                                          ARRAY_SIZE(tl_wr741ndv4_gpio_keys),
 132                                          tl_wr741ndv4_gpio_keys);
 133
 134         ar71xx_add_device_m25p80(&tl_wr741ndv4_flash_data);
 135         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 136         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
 137
 138         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 139         ar71xx_eth0_data.speed = SPEED_100;
 140         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 141         ar71xx_eth0_data.phy_mask = BIT(4);
 142
 143         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 144         ar71xx_eth1_data.speed = SPEED_1000;
 145         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 146         ar71xx_eth1_data.has_ar7240_switch = 1;
 147
 148         ar71xx_add_device_mdio(0, 0x0);
 149         ar71xx_add_device_eth(1);
 150         ar71xx_add_device_eth(0);
 151
 152         ar9xxx_add_device_wmac(ee, mac);
 153 }
 154
 155 MIPS_MACHINE(AR71XX_MACH_TL_WR741ND_V4, "TL-WR741ND-v4",
 156              "TP-LINK TL-WR741ND v4", tl_wr741ndv4_setup);