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/*
 *  TP-LINK TL-WR703N/TL-MR10U board support
 *
 *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
 *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
 *
 *  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 <linux/gpio.h>

#include <asm/mach-ath79/ath79.h>

#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"

#define TL_WR703N_GPIO_LED_SYSTEM       27
#define TL_WR703N_GPIO_BTN_RESET        11

#define TL_WR703N_GPIO_USB_POWER        8

#define TL_MR10U_GPIO_USB_POWER         18

#define TL_WR703N_KEYS_POLL_INTERVAL    20      /* msecs */
#define TL_WR703N_KEYS_DEBOUNCE_INTERVAL        (3 * TL_WR703N_KEYS_POLL_INTERVAL)

static const char *tl_wr703n_part_probes[] = {
        "tp-link",
        NULL,
};

static struct flash_platform_data tl_wr703n_flash_data = {
        .part_probes    = tl_wr703n_part_probes,
};

static struct gpio_led tl_wr703n_leds_gpio[] __initdata = {
        {
                .name           = "tp-link:blue:system",
                .gpio           = TL_WR703N_GPIO_LED_SYSTEM,
                .active_low     = 1,
        },
};

static struct gpio_keys_button tl_wr703n_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = TL_WR703N_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = TL_WR703N_GPIO_BTN_RESET,
                .active_low     = 0,
        }
};

static void __init common_setup(unsigned usb_power_gpio, bool sec_ethernet)
{
        u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
        u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);

        /* disable PHY_SWAP and PHY_ADDR_SWAP bits */
        ath79_setup_ar933x_phy4_switch(false, false);

        ath79_register_m25p80(&tl_wr703n_flash_data);
        ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr703n_leds_gpio),
                                 tl_wr703n_leds_gpio);
        ath79_register_gpio_keys_polled(-1, TL_WR703N_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(tl_wr703n_gpio_keys),
                                        tl_wr703n_gpio_keys);

        gpio_request_one(usb_power_gpio,
                         GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
                         "USB power");
        ath79_register_usb();

        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);

        ath79_register_mdio(0, 0x0);
        ath79_register_eth(0);

        if (sec_ethernet)
        {
                ath79_init_mac(ath79_eth1_data.mac_addr, mac, -1);
                ath79_register_eth(1);
        }

        ath79_register_wmac(ee, mac);
}

static void __init tl_mr10u_setup(void)
{
        common_setup(TL_MR10U_GPIO_USB_POWER, false);
}

MIPS_MACHINE(ATH79_MACH_TL_MR10U, "TL-MR10U", "TP-LINK TL-MR10U",
             tl_mr10u_setup);

static void __init tl_wr703n_setup(void)
{
        common_setup(TL_WR703N_GPIO_USB_POWER, false);
}

MIPS_MACHINE(ATH79_MACH_TL_WR703N, "TL-WR703N", "TP-LINK TL-WR703N v1",
             tl_wr703n_setup);

static void __init tl_wr710n_setup(void)
{
        common_setup(TL_WR703N_GPIO_USB_POWER, true);
}

MIPS_MACHINE(ATH79_MACH_TL_WR710N, "TL-WR710N", "TP-LINK TL-WR710N v1",
             tl_wr710n_setup);