target/linux/ar71xx/files/arch/mips/ath79/mach-hiwifi-hc6361.c

   1 /*
   2  *  HiWiFi HC6361 board support
   3  *
   4  *  Copyright (C) 2012-2013 eric
   5  *  Copyright (C) 2014 Yousong Zhou <yszhou4tech@gmail.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 <linux/gpio.h>
  13 #include <linux/proc_fs.h>
  14
  15 #include <asm/mach-ath79/ath79.h>
  16 #include <asm/mach-ath79/ar71xx_regs.h>
  17
  18 #include "common.h"
  19 #include "dev-eth.h"
  20 #include "dev-gpio-buttons.h"
  21 #include "dev-leds-gpio.h"
  22 #include "dev-m25p80.h"
  23 #include "dev-usb.h"
  24 #include "dev-wmac.h"
  25 #include "machtypes.h"
  26
  27 #define HIWIFI_HC6361_GPIO_LED_WLAN_2P4         0       /* 2.4G WLAN LED */
  28 #define HIWIFI_HC6361_GPIO_LED_SYSTEM           1       /* System LED */
  29 #define HIWIFI_HC6361_GPIO_LED_INTERNET         27      /* Internet LED */
  30
  31 #define HIWIFI_HC6361_GPIO_USBPOWER             20      /* USB power control */
  32 #define HIWIFI_HC6361_GPIO_BTN_RST              11      /* Reset button */
  33
  34 #define HIWIFI_HC6361_KEYS_POLL_INTERVAL        20      /* msecs */
  35 #define HIWIFI_HC6361_KEYS_DEBOUNCE_INTERVAL    \
  36         (3 * HIWIFI_HC6361_KEYS_POLL_INTERVAL)
  37
  38 static struct gpio_led hiwifi_leds_gpio[] __initdata = {
  39         {
  40                 .name           = "hiwifi:blue:wlan-2p4",
  41                 .gpio           = HIWIFI_HC6361_GPIO_LED_WLAN_2P4,
  42                 .active_low     = 1,
  43         }, {
  44                 .name           = "hiwifi:blue:system",
  45                 .gpio           = HIWIFI_HC6361_GPIO_LED_SYSTEM,
  46                 .active_low     = 1,
  47         }, {
  48                 .name           = "hiwifi:blue:internet",
  49                 .gpio           = HIWIFI_HC6361_GPIO_LED_INTERNET,
  50                 .active_low     = 1,
  51         }
  52 };
  53
  54 static struct gpio_keys_button hiwifi_gpio_keys[] __initdata = {
  55         {
  56                 .desc           = "reset",
  57                 .type           = EV_KEY,
  58                 .code           = KEY_RESTART,
  59                 .debounce_interval = HIWIFI_HC6361_KEYS_DEBOUNCE_INTERVAL,
  60                 .gpio           = HIWIFI_HC6361_GPIO_BTN_RST,
  61                 .active_low     = 1,
  62         }
  63 };
  64
  65 static void __init get_mac_from_bdinfo(u8 *mac, void *bdinfo)
  66 {
  67         if (sscanf(bdinfo, "fac_mac = %2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx",
  68                                 &mac[0], &mac[1], &mac[2], &mac[3],
  69                                 &mac[4], &mac[5]) == 6) {
  70                 return;
  71         }
  72
  73         printk(KERN_WARNING "Parsing MAC address failed.\n");
  74         memcpy(mac, "\x00\xba\xbe\x00\x00\x00", 6);
  75 }
  76
  77 static void __init hiwifi_hc6361_setup(void)
  78 {
  79         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  80         u8 mac[6];
  81
  82         ath79_setup_ar933x_phy4_switch(false, false);
  83
  84         ath79_register_m25p80(NULL);
  85         ath79_gpio_function_enable(
  86                         AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  87                         AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  88                         AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  89                         AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  90                         AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  91
  92         ath79_register_leds_gpio(-1, ARRAY_SIZE(hiwifi_leds_gpio),
  93                         hiwifi_leds_gpio);
  94         ath79_register_gpio_keys_polled(-1, HIWIFI_HC6361_KEYS_POLL_INTERVAL,
  95                         ARRAY_SIZE(hiwifi_gpio_keys),
  96                         hiwifi_gpio_keys);
  97         gpio_request_one(HIWIFI_HC6361_GPIO_USBPOWER,
  98                         GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
  99                         "USB power");
 100         ath79_register_usb();
 101
 102         get_mac_from_bdinfo(mac, (void *) KSEG1ADDR(0x1f010180));
 103         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
 104         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
 105
 106         ath79_register_mdio(0, 0x0);
 107
 108         ath79_register_eth(1);
 109         ath79_register_eth(0);
 110
 111         ath79_register_wmac(ee, mac);
 112 }
 113
 114 MIPS_MACHINE(ATH79_MACH_HIWIFI_HC6361, "HiWiFi-HC6361",
 115                 "HiWiFi HC6361", hiwifi_hc6361_setup);