target/linux/ar71xx/files/arch/mips/ath79/mach-carambola2.c

   1 /*
   2  *  8devices Carambola2 board support
   3  *
   4  *  Copyright (C) 2013 Darius Augulis <darius@8devices.com>
   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 <asm/mach-ath79/ath79.h>
  12 #include <asm/mach-ath79/ar71xx_regs.h>
  13 #include "common.h"
  14 #include "dev-eth.h"
  15 #include "dev-gpio-buttons.h"
  16 #include "dev-leds-gpio.h"
  17 #include "dev-m25p80.h"
  18 #include "dev-spi.h"
  19 #include "dev-usb.h"
  20 #include "dev-wmac.h"
  21 #include "machtypes.h"
  22
  23 #define CARAMBOLA2_GPIO_LED_WLAN                0
  24 #define CARAMBOLA2_GPIO_LED_ETH0                14
  25 #define CARAMBOLA2_GPIO_LED_ETH1                13
  26
  27 #define CARAMBOLA2_GPIO_BTN_JUMPSTART           11
  28 #define CARAMBOLA2_GPIO_BTN_RESET               12
  29
  30 #define CARAMBOLA2_KEYS_POLL_INTERVAL           20      /* msecs */
  31 #define CARAMBOLA2_KEYS_DEBOUNCE_INTERVAL       (3 * CARAMBOLA2_KEYS_POLL_INTERVAL)
  32
  33 #define CARAMBOLA2_MAC0_OFFSET                  0x0000
  34 #define CARAMBOLA2_MAC1_OFFSET                  0x0006
  35 #define CARAMBOLA2_CALDATA_OFFSET               0x1000
  36 #define CARAMBOLA2_WMAC_MAC_OFFSET              0x1002
  37
  38 static struct gpio_led carambola2_leds_gpio[] __initdata = {
  39         {
  40                 .name           = "carambola2:green:wlan",
  41                 .gpio           = CARAMBOLA2_GPIO_LED_WLAN,
  42                 .active_low     = 1,
  43         }, {
  44                 .name           = "carambola2:orange:eth0",
  45                 .gpio           = CARAMBOLA2_GPIO_LED_ETH0,
  46                 .active_low     = 0,
  47         }, {
  48                 .name           = "carambola2:orange:eth1",
  49                 .gpio           = CARAMBOLA2_GPIO_LED_ETH1,
  50                 .active_low     = 0,
  51         }
  52 };
  53
  54 static struct gpio_keys_button carambola2_gpio_keys[] __initdata = {
  55         {
  56                 .desc           = "jumpstart button",
  57                 .type           = EV_KEY,
  58                 .code           = KEY_WPS_BUTTON,
  59                 .debounce_interval = CARAMBOLA2_KEYS_DEBOUNCE_INTERVAL,
  60                 .gpio           = CARAMBOLA2_GPIO_BTN_JUMPSTART,
  61                 .active_low     = 1,
  62         },
  63         {
  64                 .desc           = "reset button",
  65                 .type           = EV_KEY,
  66                 .code           = KEY_RESTART,
  67                 .debounce_interval = CARAMBOLA2_KEYS_DEBOUNCE_INTERVAL,
  68                 .gpio           = CARAMBOLA2_GPIO_BTN_RESET,
  69                 .active_low     = 1,
  70         }
  71 };
  72
  73 static void __init carambola2_common_setup(void)
  74 {
  75         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  76
  77         ath79_register_m25p80(NULL);
  78         ath79_register_wmac(art + CARAMBOLA2_CALDATA_OFFSET,
  79                             art + CARAMBOLA2_WMAC_MAC_OFFSET);
  80
  81         ath79_setup_ar933x_phy4_switch(true, true);
  82
  83         ath79_init_mac(ath79_eth0_data.mac_addr, art + CARAMBOLA2_MAC0_OFFSET, 0);
  84         ath79_init_mac(ath79_eth1_data.mac_addr, art + CARAMBOLA2_MAC1_OFFSET, 0);
  85
  86         ath79_register_mdio(0, 0x0);
  87
  88         /* LAN ports */
  89         ath79_register_eth(1);
  90
  91         /* WAN port */
  92         ath79_register_eth(0);
  93 }
  94
  95 static void __init carambola2_setup(void)
  96 {
  97         carambola2_common_setup();
  98
  99         ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 100                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 101                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 102                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 103                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
 104
 105         ath79_register_leds_gpio(-1, ARRAY_SIZE(carambola2_leds_gpio),
 106                                  carambola2_leds_gpio);
 107         ath79_register_gpio_keys_polled(-1, CARAMBOLA2_KEYS_POLL_INTERVAL,
 108                                         ARRAY_SIZE(carambola2_gpio_keys),
 109                                         carambola2_gpio_keys);
 110         ath79_register_usb();
 111 }
 112
 113 MIPS_MACHINE(ATH79_MACH_CARAMBOLA2, "CARAMBOLA2", "8devices Carambola2 board",
 114                 carambola2_setup);