target/linux/ar71xx/files/arch/mips/ath79/mach-dir-505-a1.c

   1 /*
   2  *  DLink DIR-505 A1 board support
   3  *
   4  *  Copyright (C) 2013 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 "dev-usb.h"
  23 #include "machtypes.h"
  24
  25 #define DIR_505A1_GPIO_BTN_WPS         11 /* verify */
  26 #define DIR_505A1_GPIO_BTN_RESET       12 /* verify */
  27
  28 #define DIR_505A1_GPIO_LED_RED         26 /* unused, fyi */
  29 #define DIR_505A1_GPIO_LED_GREEN       27
  30
  31 #define DIR_505A1_GPIO_WAN_LED_ENABLE  1
  32
  33 #define DIR_505A1_KEYS_POLL_INTERVAL   20      /* msecs */
  34 #define DIR_505A1_KEYS_DEBOUNCE_INTERVAL (3 * DIR_505A1_KEYS_POLL_INTERVAL)
  35
  36 #define DIR_505A1_ART_ADDRESS          0x1f010000
  37 #define DIR_505A1_CALDATA_OFFSET       0x1000
  38
  39 #define DIR_505A1_MAC_PART_ADDRESS      0x1f020000
  40 #define DIR_505A1_LAN_MAC_OFFSET        0x04
  41 #define DIR_505A1_WAN_MAC_OFFSET        0x16
  42
  43 static struct gpio_led dir_505_a1_leds_gpio[] __initdata = {
  44         {
  45                 .name           = "d-link:green:power",
  46                 .gpio           = DIR_505A1_GPIO_LED_GREEN,
  47                 .active_low     = 1,
  48         }, {
  49                 .name           = "d-link:red:status",
  50                 .gpio           = DIR_505A1_GPIO_LED_RED,
  51                 .active_low     = 1,
  52         },
  53 };
  54
  55 static struct gpio_keys_button dir_505_a1_gpio_keys[] __initdata = {
  56         {
  57                 .desc           = "Reset button",
  58                 .type           = EV_KEY,
  59                 .code           = KEY_RESTART,
  60                 .debounce_interval = DIR_505A1_KEYS_DEBOUNCE_INTERVAL,
  61                 .gpio           = DIR_505A1_GPIO_BTN_RESET,
  62                 .active_low     = 0,
  63         }, {
  64                 .desc           = "WPS button",
  65                 .type           = EV_KEY,
  66                 .code           = KEY_WPS_BUTTON,
  67                 .debounce_interval = DIR_505A1_KEYS_DEBOUNCE_INTERVAL,
  68                 .gpio           = DIR_505A1_GPIO_BTN_WPS,
  69                 .active_low     = 1,
  70         }
  71 };
  72
  73 static void __init dir_505_a1_setup(void)
  74 {
  75         u8 *art = (u8 *) KSEG1ADDR(DIR_505A1_ART_ADDRESS);
  76         u8 *mac = (u8 *) KSEG1ADDR(DIR_505A1_MAC_PART_ADDRESS);
  77         u8 lan_mac[ETH_ALEN];
  78         u8 wan_mac[ETH_ALEN];
  79
  80         ath79_setup_ar933x_phy4_switch(false, false);
  81
  82         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  83                 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  84                 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  85                 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  86                 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  87
  88         gpio_request_one(DIR_505A1_GPIO_WAN_LED_ENABLE,
  89                 GPIOF_OUT_INIT_LOW, "WAN LED enable");
  90
  91         ath79_register_leds_gpio(-1, ARRAY_SIZE(dir_505_a1_leds_gpio),
  92                 dir_505_a1_leds_gpio);
  93
  94         ath79_register_gpio_keys_polled(1, DIR_505A1_KEYS_POLL_INTERVAL,
  95                 ARRAY_SIZE(dir_505_a1_gpio_keys),
  96                 dir_505_a1_gpio_keys);
  97
  98         ath79_register_m25p80(NULL);
  99
 100         ath79_register_usb();
 101
 102         ath79_parse_ascii_mac(mac + DIR_505A1_LAN_MAC_OFFSET, lan_mac);
 103         ath79_parse_ascii_mac(mac + DIR_505A1_WAN_MAC_OFFSET, wan_mac);
 104
 105         ath79_init_mac(ath79_eth0_data.mac_addr, wan_mac, 0);
 106         ath79_init_mac(ath79_eth1_data.mac_addr, lan_mac, 0);
 107
 108         ath79_register_mdio(0, 0x0);
 109         ath79_register_eth(1);
 110         ath79_register_eth(0);
 111
 112         ath79_register_wmac(art + DIR_505A1_CALDATA_OFFSET, lan_mac);
 113 }
 114
 115 MIPS_MACHINE(ATH79_MACH_DIR_505_A1, "DIR-505-A1",
 116                 "D-Link DIR-505 rev. A1", dir_505_a1_setup);