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/*
 *  8devices Carambola2 board support
 *
 *  Copyright (C) 2013 Darius Augulis <darius@8devices.com>
 *
 *  This program is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 2 as published
 *  by the Free Software Foundation.
 */

#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define CARAMBOLA2_GPIO_LED_WLAN                0
#define CARAMBOLA2_GPIO_LED_ETH0                14
#define CARAMBOLA2_GPIO_LED_ETH1                13

#define CARAMBOLA2_GPIO_BTN_JUMPSTART           11

#define CARAMBOLA2_KEYS_POLL_INTERVAL           20      /* msecs */
#define CARAMBOLA2_KEYS_DEBOUNCE_INTERVAL       (3 * CARAMBOLA2_KEYS_POLL_INTERVAL)

#define CARAMBOLA2_MAC0_OFFSET                  0x0000
#define CARAMBOLA2_MAC1_OFFSET                  0x0006
#define CARAMBOLA2_CALDATA_OFFSET               0x1000
#define CARAMBOLA2_WMAC_MAC_OFFSET              0x1002

static struct gpio_led carambola2_leds_gpio[] __initdata = {
        {
                .name           = "carambola2:green:wlan",
                .gpio           = CARAMBOLA2_GPIO_LED_WLAN,
                .active_low     = 1,
        }, {
                .name           = "carambola2:orange:eth0",
                .gpio           = CARAMBOLA2_GPIO_LED_ETH0,
                .active_low     = 0,
        }, {
                .name           = "carambola2:orange:eth1",
                .gpio           = CARAMBOLA2_GPIO_LED_ETH1,
                .active_low     = 0,
        }
};

static struct gpio_keys_button carambola2_gpio_keys[] __initdata = {
        {
                .desc           = "jumpstart button",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = CARAMBOLA2_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = CARAMBOLA2_GPIO_BTN_JUMPSTART,
                .active_low     = 1,
        },
};

static void __init carambola2_common_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);

        ath79_register_m25p80(NULL);
        ath79_register_wmac(art + CARAMBOLA2_CALDATA_OFFSET,
                            art + CARAMBOLA2_WMAC_MAC_OFFSET);

        ath79_setup_ar933x_phy4_switch(true, true);

        ath79_init_mac(ath79_eth0_data.mac_addr, art + CARAMBOLA2_MAC0_OFFSET, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, art + CARAMBOLA2_MAC1_OFFSET, 0);

        ath79_register_mdio(0, 0x0);

        /* LAN ports */
        ath79_register_eth(1);

        /* WAN port */
        ath79_register_eth(0);
}

static void __init carambola2_setup(void)
{
        carambola2_common_setup();

        ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
                                AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
                                AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
                                AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
                                AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(carambola2_leds_gpio),
                                 carambola2_leds_gpio);
        ath79_register_gpio_keys_polled(-1, CARAMBOLA2_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(carambola2_gpio_keys),
                                        carambola2_gpio_keys);
        ath79_register_usb();
}

MIPS_MACHINE(ATH79_MACH_CARAMBOLA2, "CARAMBOLA2", "8devices Carambola2 board",
                carambola2_setup);