target/linux/ar71xx/files/arch/mips/ar71xx/mach-tl-wr703n.c

   1 /*
   2  *  TP-LINK TL-WR703N board support
   3  *
   4  *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
   5  *  Copyright (C) 2011 Gabor Juhos <juhosg@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 #include <linux/spi/flash.h>
  15 #include <linux/gpio.h>
  16
  17 #include <asm/mach-ar71xx/ar71xx.h>
  18
  19 #include "machtype.h"
  20 #include "devices.h"
  21 #include "dev-ar9xxx-wmac.h"
  22 #include "dev-gpio-buttons.h"
  23 #include "dev-leds-gpio.h"
  24 #include "dev-m25p80.h"
  25 #include "dev-usb.h"
  26
  27 #define TL_WR703N_GPIO_LED_SYSTEM       27
  28 #define TL_WR703N_GPIO_BTN_RESET        11
  29
  30 #define TL_WR703N_GPIO_USB_POWER        8
  31
  32 #define TL_WR703N_KEYS_POLL_INTERVAL    20      /* msecs */
  33 #define TL_WR703N_KEYS_DEBOUNCE_INTERVAL        (3 * TL_WR703N_KEYS_POLL_INTERVAL)
  34
  35 #ifdef CONFIG_MTD_PARTITIONS
  36 static struct mtd_partition tl_wr703n_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_wr703n_nr_parts      ARRAY_SIZE(tl_wr703n_parts)
  62 #else
  63 #define tl_wr703n_parts         NULL
  64 #define tl_wr703n_nr_parts      0
  65 #endif /* CONFIG_MTD_PARTITIONS */
  66
  67 static struct flash_platform_data tl_wr703n_flash_data = {
  68         .parts          = tl_wr703n_parts,
  69         .nr_parts       = tl_wr703n_nr_parts,
  70 };
  71
  72 static struct gpio_led tl_wr703n_leds_gpio[] __initdata = {
  73         {
  74                 .name           = "tp-link:blue:system",
  75                 .gpio           = TL_WR703N_GPIO_LED_SYSTEM,
  76                 .active_low     = 1,
  77         },
  78 };
  79
  80 static struct gpio_keys_button tl_wr703n_gpio_keys[] __initdata = {
  81         {
  82                 .desc           = "reset",
  83                 .type           = EV_KEY,
  84                 .code           = KEY_RESTART,
  85                 .debounce_interval = TL_WR703N_KEYS_DEBOUNCE_INTERVAL,
  86                 .gpio           = TL_WR703N_GPIO_BTN_RESET,
  87                 .active_low     = 1,
  88         }
  89 };
  90
  91 static void __init tl_wr703n_setup(void)
  92 {
  93         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  94         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  95
  96         ar71xx_add_device_m25p80(&tl_wr703n_flash_data);
  97         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr703n_leds_gpio),
  98                                         tl_wr703n_leds_gpio);
  99         ar71xx_register_gpio_keys_polled(-1, TL_WR703N_KEYS_POLL_INTERVAL,
 100                                          ARRAY_SIZE(tl_wr703n_gpio_keys),
 101                                          tl_wr703n_gpio_keys);
 102
 103         gpio_request(TL_WR703N_GPIO_USB_POWER, "USB power");
 104         gpio_direction_output(TL_WR703N_GPIO_USB_POWER, 1);
 105         ar71xx_add_device_usb();
 106
 107         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
 108
 109         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 110         ar71xx_eth0_data.speed = SPEED_100;
 111         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 112         ar71xx_eth0_data.phy_mask = BIT(4);
 113
 114         ar71xx_add_device_mdio(0, 0x0);
 115         ar71xx_add_device_eth(0);
 116
 117         ar9xxx_add_device_wmac(ee, mac);
 118 }
 119
 120 MIPS_MACHINE(AR71XX_MACH_TL_WR703N, "TL-WR703N", "TP-LINK TL-WR703N v1",
 121              tl_wr703n_setup);