target/linux/ar71xx/files/arch/mips/ath79/mach-hornet-ub.c

   1 /*
   2  *  ALFA NETWORK Hornet-UB board support
   3  *
   4  *  Copyright (C) 2011-2012 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-usb.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define HORNET_UB_GPIO_LED_WLAN         0
  26 #define HORNET_UB_GPIO_LED_USB          1
  27 #define HORNET_UB_GPIO_LED_LAN          13
  28 #define HORNET_UB_GPIO_LED_WAN          17
  29 #define HORNET_UB_GPIO_LED_WPS          27
  30
  31 #define HORNET_UB_GPIO_BTN_RESET        11
  32 #define HORNET_UB_GPIO_BTN_WPS          12
  33
  34 #define HORNET_UB_GPIO_USB_POWER        26
  35
  36 #define HORNET_UB_KEYS_POLL_INTERVAL    20      /* msecs */
  37 #define HORNET_UB_KEYS_DEBOUNCE_INTERVAL        (3 * HORNET_UB_KEYS_POLL_INTERVAL)
  38
  39 #define HORNET_UB_MAC0_OFFSET           0x0000
  40 #define HORNET_UB_MAC1_OFFSET           0x0006
  41 #define HORNET_UB_CALDATA_OFFSET        0x1000
  42
  43 static struct gpio_led hornet_ub_leds_gpio[] __initdata = {
  44         {
  45                 .name           = "alfa:blue:lan",
  46                 .gpio           = HORNET_UB_GPIO_LED_LAN,
  47                 .active_low     = 0,
  48         },
  49         {
  50                 .name           = "alfa:blue:usb",
  51                 .gpio           = HORNET_UB_GPIO_LED_USB,
  52                 .active_low     = 0,
  53         },
  54         {
  55                 .name           = "alfa:blue:wan",
  56                 .gpio           = HORNET_UB_GPIO_LED_WAN,
  57                 .active_low     = 1,
  58         },
  59         {
  60                 .name           = "alfa:blue:wlan",
  61                 .gpio           = HORNET_UB_GPIO_LED_WLAN,
  62                 .active_low     = 0,
  63         },
  64         {
  65                 .name           = "alfa:blue:wps",
  66                 .gpio           = HORNET_UB_GPIO_LED_WPS,
  67                 .active_low     = 1,
  68         },
  69 };
  70
  71 static struct gpio_keys_button hornet_ub_gpio_keys[] __initdata = {
  72         {
  73                 .desc           = "WPS button",
  74                 .type           = EV_KEY,
  75                 .code           = KEY_WPS_BUTTON,
  76                 .debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
  77                 .gpio           = HORNET_UB_GPIO_BTN_WPS,
  78                 .active_low     = 1,
  79         },
  80         {
  81                 .desc           = "Reset button",
  82                 .type           = EV_KEY,
  83                 .code           = KEY_RESTART,
  84                 .debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
  85                 .gpio           = HORNET_UB_GPIO_BTN_RESET,
  86                 .active_low     = 0,
  87         }
  88 };
  89
  90 static void __init hornet_ub_gpio_setup(void)
  91 {
  92         u32 t;
  93
  94         ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
  95                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
  96                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
  97                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
  98                                      AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
  99
 100         t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
 101         t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
 102         ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
 103
 104         gpio_request_one(HORNET_UB_GPIO_USB_POWER,
 105                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 106                          "USB power");
 107 }
 108
 109 static void __init hornet_ub_setup(void)
 110 {
 111         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 112
 113         hornet_ub_gpio_setup();
 114
 115         ath79_register_m25p80(NULL);
 116         ath79_register_leds_gpio(-1, ARRAY_SIZE(hornet_ub_leds_gpio),
 117                                         hornet_ub_leds_gpio);
 118         ath79_register_gpio_keys_polled(-1, HORNET_UB_KEYS_POLL_INTERVAL,
 119                                          ARRAY_SIZE(hornet_ub_gpio_keys),
 120                                          hornet_ub_gpio_keys);
 121
 122         ath79_init_mac(ath79_eth1_data.mac_addr,
 123                         art + HORNET_UB_MAC0_OFFSET, 0);
 124         ath79_init_mac(ath79_eth0_data.mac_addr,
 125                         art + HORNET_UB_MAC1_OFFSET, 0);
 126
 127         ath79_register_mdio(0, 0x0);
 128
 129         ath79_register_eth(1);
 130         ath79_register_eth(0);
 131
 132         ath79_register_wmac(art + HORNET_UB_CALDATA_OFFSET, NULL);
 133         ath79_register_usb();
 134 }
 135
 136 MIPS_MACHINE(ATH79_MACH_HORNET_UB, "HORNET-UB", "ALFA NETWORK Hornet-UB",
 137              hornet_ub_setup);