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/*
 *  Mifi board support
 *
 *  Copyright (C) 2011 dongyuqi <729650915@qq.com>
 *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2013 alzhao <alzhao@gmail.com>
 *  Copyright (C) 2014 Michel Stempin <michel.stempin@wanadoo.fr>
 *
 *  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 GL_MIFI_GPIO_LED_WAN            27
#define GL_MIFI_GPIO_LED_LAN            16
#define GL_MIFI_GPIO_LED_WLAN           1
#define GL_MIFI_GPIO_LED_NET            0
#define GL_MIFI_GPIO_LED_3GCONTROL      7

#define GL_MIFI_GPIO_BTN_RESET    11

#define GL_MIFI_KEYS_POLL_INTERVAL      20      /* msecs */
#define GL_MIFI_KEYS_DEBOUNCE_INTERVAL  (3 * GL_MIFI_KEYS_POLL_INTERVAL)

#define GL_MIFI_MAC0_OFFSET         0x0000
#define GL_MIFI_MAC1_OFFSET         0x0000
#define GL_MIFI_CALDATA_OFFSET  0x1000
#define GL_MIFI_WMAC_MAC_OFFSET 0x0000

static struct gpio_led gl_mifi_leds_gpio[] __initdata = {
        {
                .name = "gl-mifi:green:wan",
                .gpio = GL_MIFI_GPIO_LED_WAN,
                .active_low = 0,
        },
        {
                .name = "gl-mifi:green:lan",
                .gpio = GL_MIFI_GPIO_LED_LAN,
                .active_low = 0,
        },
        {
                .name = "gl-mifi:green:wlan",
                .gpio = GL_MIFI_GPIO_LED_WLAN,
                .active_low = 0,
        },
        {
                .name = "gl-mifi:green:net",
                .gpio = GL_MIFI_GPIO_LED_NET,
                .active_low = 0,
        },
        {
                .name = "gl-mifi:green:3gcontrol",
                .gpio = GL_MIFI_GPIO_LED_3GCONTROL,
                .active_low = 0,
        }
};

static struct gpio_keys_button gl_mifi_gpio_keys[] __initdata = {
        {
                .desc = "reset",
                .type = EV_KEY,
                .code = KEY_RESTART,
                .debounce_interval = GL_MIFI_KEYS_DEBOUNCE_INTERVAL,
                .gpio = GL_MIFI_GPIO_BTN_RESET,
                .active_low = 0,
        },
};

static void __init gl_mifi_setup(void)
{

        /* ART base address */
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);

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

        /* register flash. */
        ath79_register_m25p80(NULL);

        /* register gpio LEDs and keys */
        ath79_register_leds_gpio(-1, ARRAY_SIZE(gl_mifi_leds_gpio),
                                 gl_mifi_leds_gpio);
        ath79_register_gpio_keys_polled(-1, GL_MIFI_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(gl_mifi_gpio_keys),
                                        gl_mifi_gpio_keys);

        /* enable usb */
        ath79_register_usb();

        /* register eth0 as WAN, eth1 as LAN */
        ath79_init_mac(ath79_eth0_data.mac_addr, art+GL_MIFI_MAC0_OFFSET, 0);
        ath79_init_mac(ath79_eth1_data.mac_addr, art+GL_MIFI_MAC1_OFFSET, 0);
        ath79_register_mdio(0, 0x0);
        ath79_register_eth(0);
        ath79_register_eth(1);

        /* register wireless mac with cal data */
        ath79_register_wmac(art + GL_MIFI_CALDATA_OFFSET, art + GL_MIFI_WMAC_MAC_OFFSET);
}

MIPS_MACHINE(ATH79_MACH_GL_MIFI, "GL-MIFI", "GL.iNet GL-MIFI", gl_mifi_setup);