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

   1 /*
   2  *  ALFA NETWORKS Hornet-UB board support
   3  *
   4  *  Copyright (C) 2011 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-ar71xx/ar71xx.h>
  14
  15 #include "machtype.h"
  16 #include "devices.h"
  17 #include "dev-ar9xxx-wmac.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-usb.h"
  22
  23 #define HORNET_UB_GPIO_LED_WLAN         0
  24 #define HORNET_UB_GPIO_LED_USB          1
  25 #define HORNET_UB_GPIO_LED_LAN          13
  26 #define HORNET_UB_GPIO_LED_WAN          17
  27 #define HORNET_UB_GPIO_LED_WPS          27
  28
  29 #define HORNET_UB_GPIO_BTN_RESET        11
  30 #define HORNET_UB_GPIO_BTN_WPS          12
  31
  32 #define HORNET_UB_GPIO_USB_POWER        26
  33
  34 #define HORNET_UB_KEYS_POLL_INTERVAL    20      /* msecs */
  35 #define HORNET_UB_KEYS_DEBOUNCE_INTERVAL        (3 * HORNET_UB_KEYS_POLL_INTERVAL)
  36
  37 #define HORNET_UB_MAC0_OFFSET           0x0000
  38 #define HORNET_UB_MAC1_OFFSET           0x0006
  39 #define HORNET_UB_CALDATA_OFFSET        0x1000
  40
  41 static struct gpio_led hornet_ub_leds_gpio[] __initdata = {
  42         {
  43                 .name           = "alfa:blue:lan",
  44                 .gpio           = HORNET_UB_GPIO_LED_LAN,
  45                 .active_low     = 0,
  46         },
  47         {
  48                 .name           = "alfa:blue:usb",
  49                 .gpio           = HORNET_UB_GPIO_LED_USB,
  50                 .active_low     = 0,
  51         },
  52         {
  53                 .name           = "alfa:blue:wan",
  54                 .gpio           = HORNET_UB_GPIO_LED_WAN,
  55                 .active_low     = 1,
  56         },
  57         {
  58                 .name           = "alfa:blue:wlan",
  59                 .gpio           = HORNET_UB_GPIO_LED_WLAN,
  60                 .active_low     = 0,
  61         },
  62         {
  63                 .name           = "alfa:blue:wps",
  64                 .gpio           = HORNET_UB_GPIO_LED_WPS,
  65                 .active_low     = 1,
  66         },
  67 };
  68
  69 static struct gpio_keys_button hornet_ub_gpio_keys[] __initdata = {
  70         {
  71                 .desc           = "WPS button",
  72                 .type           = EV_KEY,
  73                 .code           = KEY_WPS_BUTTON,
  74                 .debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
  75                 .gpio           = HORNET_UB_GPIO_BTN_WPS,
  76                 .active_low     = 1,
  77         },
  78         {
  79                 .desc           = "Reset button",
  80                 .type           = EV_KEY,
  81                 .code           = KEY_RESTART,
  82                 .debounce_interval = HORNET_UB_KEYS_DEBOUNCE_INTERVAL,
  83                 .gpio           = HORNET_UB_GPIO_BTN_RESET,
  84                 .active_low     = 0,
  85         }
  86 };
  87
  88 static void __init hornet_ub_gpio_setup(void)
  89 {
  90         u32 t;
  91
  92         ar71xx_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         t = ar71xx_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
  99         t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
 100         ar71xx_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
 101
 102         gpio_request(HORNET_UB_GPIO_USB_POWER, "USB power");
 103         gpio_direction_output(HORNET_UB_GPIO_USB_POWER, 1);
 104 }
 105
 106 static void __init hornet_ub_setup(void)
 107 {
 108         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 109
 110         hornet_ub_gpio_setup();
 111
 112         ar71xx_add_device_m25p80(NULL);
 113         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(hornet_ub_leds_gpio),
 114                                         hornet_ub_leds_gpio);
 115         ar71xx_register_gpio_keys_polled(-1, HORNET_UB_KEYS_POLL_INTERVAL,
 116                                          ARRAY_SIZE(hornet_ub_gpio_keys),
 117                                          hornet_ub_gpio_keys);
 118
 119         ar71xx_init_mac(ar71xx_eth1_data.mac_addr,
 120                         art + HORNET_UB_MAC0_OFFSET, 0);
 121         ar71xx_init_mac(ar71xx_eth0_data.mac_addr,
 122                         art + HORNET_UB_MAC1_OFFSET, 0);
 123
 124         ar71xx_add_device_mdio(0, 0x0);
 125
 126         ar71xx_add_device_eth(1);
 127         ar71xx_add_device_eth(0);
 128
 129         ar9xxx_add_device_wmac(art + HORNET_UB_CALDATA_OFFSET, NULL);
 130         ar71xx_add_device_usb();
 131 }
 132
 133 MIPS_MACHINE(AR71XX_MACH_HORNET_UB, "HORNET-UB", "ALFA NETWORKS Hornet-UB",
 134              hornet_ub_setup);