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/*
 *  EW Dorin board support
 *  (based on Atheros Ref. Design AP121)
 *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2012-2017 Embedded Wireless GmbH    www.80211.de
 *
 *  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 "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 DORIN_KEYS_POLL_INTERVAL        20      /* msecs */
#define DORIN_KEYS_DEBOUNCE_INTERVAL    (3 * DORIN_KEYS_POLL_INTERVAL)

#define DORIN_CALDATA_OFFSET            0x1000
#define DORIN_WMAC_MAC_OFFSET           0x1002

#define DORIN_GPIO_LED_STATUS           21

#define DORIN_GPIO_BTN_JUMPSTART        11
#define DORIN_GPIO_BTN_RESET            6

static struct gpio_led dorin_leds_gpio[] __initdata = {
        {
                .name           = "dorin:green:status",
                .gpio           = DORIN_GPIO_LED_STATUS,
                .active_low     = 1,
        },
};

static struct gpio_keys_button dorin_gpio_keys[] __initdata = {
        {
                .desc           = "jumpstart button",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = DORIN_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = DORIN_GPIO_BTN_JUMPSTART,
                .active_low     = 1,
        },
        {
                .desc           = "reset button",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = DORIN_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = DORIN_GPIO_BTN_RESET,
                .active_low     = 0,
        }
};

static void __init ew_dorin_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
        static u8 mac[6];

        ath79_register_m25p80(NULL);

        ath79_register_usb();

        if (ar93xx_wmac_read_mac_address(mac)) {
                ath79_register_wmac(NULL, NULL);
        } else {
                ath79_register_wmac(art + DORIN_CALDATA_OFFSET,
                                    art + DORIN_WMAC_MAC_OFFSET);
                memcpy(mac, art + DORIN_WMAC_MAC_OFFSET, sizeof(mac));
        }

        mac[3] |= 0x40;
        ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);

        ath79_register_mdio(0, 0x0);

        /* LAN ports */
        ath79_register_eth(1);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(dorin_leds_gpio),
                                 dorin_leds_gpio);
        ath79_register_gpio_keys_polled(-1, DORIN_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(dorin_gpio_keys),
                                        dorin_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_EW_DORIN, "EW-DORIN", "EmbWir-Dorin",
             ew_dorin_setup);


static void __init ew_dorin_router_setup(void)
{
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
        static u8 mac[6];

        ath79_register_m25p80(NULL);

        ath79_register_usb();

        if (ar93xx_wmac_read_mac_address(mac)) {
                ath79_register_wmac(NULL, NULL);
        } else {
                ath79_register_wmac(art + DORIN_CALDATA_OFFSET,
                                    art + DORIN_WMAC_MAC_OFFSET);
                memcpy(mac, art + DORIN_WMAC_MAC_OFFSET, sizeof(mac));
        }

        mac[3] |= 0x40;
        ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);

        mac[3] &= 0x3F;
        ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
        ath79_setup_ar933x_phy4_switch(true, true);

        ath79_register_mdio(0, 0x0);

        /* LAN ports */
        ath79_register_eth(1);

        /* WAN port */
        ath79_register_eth(0);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(dorin_leds_gpio),
                                 dorin_leds_gpio);
        ath79_register_gpio_keys_polled(-1, DORIN_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(dorin_gpio_keys),
                                        dorin_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_EW_DORIN_ROUTER, "EW-DORIN-ROUTER",
             "EmbWir-Dorin-Router", ew_dorin_router_setup);