target/linux/ar71xx/files/arch/mips/ath79/mach-tl-wa901nd.c

   1 /*
   2  *  TP-LINK TL-WA901N/ND v1 board support
   3  *
   4  *  Copyright (C) 2009-2012 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2010 Pieter Hollants <pieter@hollants.com>
   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 <asm/mach-ath79/ar71xx_regs.h>
  13 #include <asm/mach-ath79/ath79.h>
  14
  15 #include "common.h"
  16 #include "dev-ap9x-pci.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 "machtypes.h"
  22
  23 #define TL_WA901ND_GPIO_LED_QSS         0
  24 #define TL_WA901ND_GPIO_LED_SYSTEM      1
  25 #define TL_WA901ND_GPIO_LED_LAN         13
  26
  27 #define TL_WA901ND_GPIO_BTN_RESET       11
  28 #define TL_WA901ND_GPIO_BTN_QSS         12
  29
  30 #define TL_WA901ND_KEYS_POLL_INTERVAL   20      /* msecs */
  31 #define TL_WA901ND_KEYS_DEBOUNCE_INTERVAL (3 * TL_WA901ND_KEYS_POLL_INTERVAL)
  32
  33 static const char *tl_wa901nd_part_probes[] = {
  34         "tp-link",
  35         NULL,
  36 };
  37
  38 static struct flash_platform_data tl_wa901nd_flash_data = {
  39         .part_probes    = tl_wa901nd_part_probes,
  40 };
  41
  42 static struct gpio_led tl_wa901nd_leds_gpio[] __initdata = {
  43         {
  44                 .name           = "tp-link:green:lan",
  45                 .gpio           = TL_WA901ND_GPIO_LED_LAN,
  46                 .active_low     = 1,
  47         }, {
  48                 .name           = "tp-link:green:system",
  49                 .gpio           = TL_WA901ND_GPIO_LED_SYSTEM,
  50                 .active_low     = 1,
  51         }, {
  52                 .name           = "tp-link:green:qss",
  53                 .gpio           = TL_WA901ND_GPIO_LED_QSS,
  54                 .active_low     = 1,
  55         }
  56 };
  57
  58 static struct gpio_keys_button tl_wa901nd_gpio_keys[] __initdata = {
  59         {
  60                 .desc           = "reset",
  61                 .type           = EV_KEY,
  62                 .code           = BTN_0,
  63                 .debounce_interval = TL_WA901ND_KEYS_DEBOUNCE_INTERVAL,
  64                 .gpio           = TL_WA901ND_GPIO_BTN_RESET,
  65                 .active_low     = 1,
  66         }, {
  67                 .desc           = "qss",
  68                 .type           = EV_KEY,
  69                 .code           = BTN_1,
  70                 .debounce_interval = TL_WA901ND_KEYS_DEBOUNCE_INTERVAL,
  71                 .gpio           = TL_WA901ND_GPIO_BTN_QSS,
  72                 .active_low     = 1,
  73         }
  74 };
  75
  76 static void __init tl_wa901nd_setup(void)
  77 {
  78         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  79         u8 *ee  = (u8 *) KSEG1ADDR(0x1fff1000);
  80
  81         ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  82                                     AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  83                                     AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  84                                     AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  85                                     AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  86
  87         /*
  88          * ath79_eth0 would be the WAN port, but is not connected on
  89          * the TL-WA901ND. ath79_eth1 connects to the internal switch chip,
  90          * however we have a single LAN port only.
  91          */
  92         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
  93         ath79_register_mdio(0, 0x0);
  94         ath79_register_eth(1);
  95
  96         ath79_register_m25p80(&tl_wa901nd_flash_data);
  97
  98         ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wa901nd_leds_gpio),
  99                                  tl_wa901nd_leds_gpio);
 100
 101         ath79_register_gpio_keys_polled(-1, TL_WA901ND_KEYS_POLL_INTERVAL,
 102                                         ARRAY_SIZE(tl_wa901nd_gpio_keys),
 103                                         tl_wa901nd_gpio_keys);
 104
 105         ap91_pci_init(ee, mac);
 106 }
 107
 108 MIPS_MACHINE(ATH79_MACH_TL_WA901ND, "TL-WA901ND", "TP-LINK TL-WA901ND",
 109              tl_wa901nd_setup);