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 #define DIR_505A1_LAN_MAC_ADDRESS      0x1f020004
  39 #define DIR_505A1_WAN_MAC_ADDRESS      0x1f020016
  40
  41 static struct gpio_led dir_505_a1_leds_gpio[] __initdata = {
  42         {
  43                 .name           = "d-link:green:power",
  44                 .gpio           = DIR_505A1_GPIO_LED_GREEN,
  45                 .active_low     = 1,
  46         }, {
  47                 .name           = "d-link:red:status",
  48                 .gpio           = DIR_505A1_GPIO_LED_RED,
  49                 .active_low     = 1,
  50         },
  51 };
  52
  53 static struct gpio_keys_button dir_505_a1_gpio_keys[] __initdata = {
  54         {
  55                 .desc           = "Reset button",
  56                 .type           = EV_KEY,
  57                 .code           = KEY_RESTART,
  58                 .debounce_interval = DIR_505A1_KEYS_DEBOUNCE_INTERVAL,
  59                 .gpio           = DIR_505A1_GPIO_BTN_RESET,
  60                 .active_low     = 1,
  61         }, {
  62                 .desc           = "WPS button",
  63                 .type           = EV_KEY,
  64                 .code           = KEY_WPS_BUTTON,
  65                 .debounce_interval = DIR_505A1_KEYS_DEBOUNCE_INTERVAL,
  66                 .gpio           = DIR_505A1_GPIO_BTN_WPS,
  67                 .active_low     = 1,
  68         }
  69 };
  70
  71 static void __init dir_505_a1_read_ascii_mac(u8 *dest, unsigned int src_addr)
  72 {
  73         int ret;
  74         u8 *src = (u8 *)KSEG1ADDR(src_addr);
  75
  76         ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
  77                         &dest[0], &dest[1], &dest[2],
  78                         &dest[3], &dest[4], &dest[5]);
  79
  80         if (ret != ETH_ALEN)
  81                 memset(dest, 0, ETH_ALEN);
  82 }
  83
  84 static void __init dir_505_a1_setup(void)
  85 {
  86         u8 *art = (u8 *) KSEG1ADDR(DIR_505A1_ART_ADDRESS);
  87         u8 lan_mac[ETH_ALEN];
  88         u8 wan_mac[ETH_ALEN];
  89
  90         ath79_setup_ar933x_phy4_switch(false, false);
  91
  92         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  93                 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  94                 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  95                 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  96                 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  97
  98         gpio_request_one(DIR_505A1_GPIO_WAN_LED_ENABLE,
  99                 GPIOF_OUT_INIT_LOW, "WAN LED enable");
 100
 101         ath79_register_leds_gpio(-1, ARRAY_SIZE(dir_505_a1_leds_gpio),
 102                 dir_505_a1_leds_gpio);
 103
 104         ath79_register_gpio_keys_polled(1, DIR_505A1_KEYS_POLL_INTERVAL,
 105                 ARRAY_SIZE(dir_505_a1_gpio_keys),
 106                 dir_505_a1_gpio_keys);
 107
 108         ath79_register_m25p80(NULL);
 109
 110         ath79_register_usb();
 111
 112         dir_505_a1_read_ascii_mac(lan_mac, DIR_505A1_LAN_MAC_ADDRESS);
 113         dir_505_a1_read_ascii_mac(wan_mac, DIR_505A1_WAN_MAC_ADDRESS);
 114
 115         ath79_init_mac(ath79_eth0_data.mac_addr, wan_mac, 0);
 116         ath79_init_mac(ath79_eth1_data.mac_addr, lan_mac, 0);
 117
 118         ath79_register_mdio(0, 0x0);
 119         ath79_register_eth(1);
 120         ath79_register_eth(0);
 121
 122         ath79_register_wmac(art + DIR_505A1_CALDATA_OFFSET, lan_mac);
 123 }
 124
 125 MIPS_MACHINE(ATH79_MACH_DIR_505_A1, "DIR-505-A1",
 126                 "D-Link DIR-505 rev. A1", dir_505_a1_setup);