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/*
 *  Linksys WRT160NL board support
 *
 *  Copyright (C) 2009-2012 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 <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 "nvram.h"
#include "machtypes.h"

#define WRT160NL_GPIO_LED_POWER         14
#define WRT160NL_GPIO_LED_WPS_AMBER     9
#define WRT160NL_GPIO_LED_WPS_BLUE      8
#define WRT160NL_GPIO_LED_WLAN          6

#define WRT160NL_GPIO_BTN_WPS           7
#define WRT160NL_GPIO_BTN_RESET         21

#define WRT160NL_KEYS_POLL_INTERVAL     20      /* msecs */
#define WRT160NL_KEYS_DEBOUNCE_INTERVAL (3 * WRT160NL_KEYS_POLL_INTERVAL)

#define WRT160NL_NVRAM_ADDR     0x1f7e0000
#define WRT160NL_NVRAM_SIZE     0x10000

static const char *wrt160nl_part_probes[] = {
        "cybertan",
        NULL,
};

static struct flash_platform_data wrt160nl_flash_data = {
        .part_probes    = wrt160nl_part_probes,
};

static struct gpio_led wrt160nl_leds_gpio[] __initdata = {
        {
                .name           = "wrt160nl:blue:power",
                .gpio           = WRT160NL_GPIO_LED_POWER,
                .active_low     = 1,
                .default_trigger = "default-on",
        }, {
                .name           = "wrt160nl:amber:wps",
                .gpio           = WRT160NL_GPIO_LED_WPS_AMBER,
                .active_low     = 1,
        }, {
                .name           = "wrt160nl:blue:wps",
                .gpio           = WRT160NL_GPIO_LED_WPS_BLUE,
                .active_low     = 1,
        }, {
                .name           = "wrt160nl:blue:wlan",
                .gpio           = WRT160NL_GPIO_LED_WLAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button wrt160nl_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = WRT160NL_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = WRT160NL_GPIO_BTN_RESET,
                .active_low     = 1,
        }, {
                .desc           = "wps",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = WRT160NL_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = WRT160NL_GPIO_BTN_WPS,
                .active_low     = 1,
        }
};

static void __init wrt160nl_setup(void)
{
        const char *nvram = (char *) KSEG1ADDR(WRT160NL_NVRAM_ADDR);
        u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
        u8 mac[6];

        if (ath79_nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
                                       "lan_hwaddr=", mac) == 0) {
                ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
                ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
        }

        ath79_register_mdio(0, 0x0);

        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
        ath79_eth0_data.phy_mask = 0x01;

        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
        ath79_eth1_data.phy_mask = 0x10;

        ath79_register_eth(0);
        ath79_register_eth(1);

        ath79_register_m25p80(&wrt160nl_flash_data);

        ath79_register_usb();

        if (ath79_nvram_parse_mac_addr(nvram, WRT160NL_NVRAM_SIZE,
                                       "wl0_hwaddr=", mac) == 0)
                ath79_register_wmac(eeprom, mac);
        else
                ath79_register_wmac(eeprom, NULL);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(wrt160nl_leds_gpio),
                                 wrt160nl_leds_gpio);

        ath79_register_gpio_keys_polled(-1, WRT160NL_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(wrt160nl_gpio_keys),
                                        wrt160nl_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_WRT160NL, "WRT160NL", "Linksys WRT160NL",
             wrt160nl_setup);