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/*
 *  Linksys E2100L 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 E2100L_GPIO_LED_POWER           14
#define E2100L_GPIO_LED_WPS_AMBER       9
#define E2100L_GPIO_LED_WPS_BLUE        8
#define E2100L_GPIO_LED_WLAN            6

#define E2100L_GPIO_BTN_WPS             7
#define E2100L_GPIO_BTN_RESET           21

#define E2100L_KEYS_POLL_INTERVAL       20      /* msecs */
#define E2100L_KEYS_DEBOUNCE_INTERVAL   (3 * E2100L_KEYS_POLL_INTERVAL)

#define E2100L_NVRAM_ADDR       0x1f7e0000
#define E2100L_NVRAM_SIZE       0x10000

static const char *e2100l_part_probes[] = {
        "cybertan",
        NULL,
};

static struct flash_platform_data e2100l_flash_data = {
        .part_probes    = e2100l_part_probes,
};

static struct gpio_led e2100l_leds_gpio[] __initdata = {
        {
                .name           = "e2100l:blue:power",
                .gpio           = E2100L_GPIO_LED_POWER,
                .active_low     = 1,
                .default_trigger = "default-on",
        }, {
                .name           = "e2100l:amber:wps",
                .gpio           = E2100L_GPIO_LED_WPS_AMBER,
                .active_low     = 1,
        }, {
                .name           = "e2100l:blue:wps",
                .gpio           = E2100L_GPIO_LED_WPS_BLUE,
                .active_low     = 1,
        }, {
                .name           = "e2100l:blue:wlan",
                .gpio           = E2100L_GPIO_LED_WLAN,
                .active_low     = 1,
        }
};

static struct gpio_keys_button e2100l_gpio_keys[] __initdata = {
        {
                .desc           = "reset",
                .type           = EV_KEY,
                .code           = KEY_RESTART,
                .debounce_interval = E2100L_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = E2100L_GPIO_BTN_RESET,
                .active_low     = 1,
        }, {
                .desc           = "wps",
                .type           = EV_KEY,
                .code           = KEY_WPS_BUTTON,
                .debounce_interval = E2100L_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = E2100L_GPIO_BTN_WPS,
                .active_low     = 1,
        }
};

static void __init e2100l_setup(void)
{
        const char *nvram = (char *) KSEG1ADDR(E2100L_NVRAM_ADDR);
        u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
        u8 mac[6];

        if (ath79_nvram_parse_mac_addr(nvram, E2100L_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(&e2100l_flash_data);

        ath79_register_usb();

        if (ath79_nvram_parse_mac_addr(nvram, E2100L_NVRAM_SIZE,
                                       "wl0_hwaddr=", mac) == 0)
                ath79_register_wmac(eeprom, mac);
        else
                ath79_register_wmac(eeprom, NULL);

        ath79_register_leds_gpio(-1, ARRAY_SIZE(e2100l_leds_gpio),
                                 e2100l_leds_gpio);

        ath79_register_gpio_keys_polled(-1, E2100L_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(e2100l_gpio_keys),
                                        e2100l_gpio_keys);
}

MIPS_MACHINE(ATH79_MACH_E2100L, "E2100L", "Linksys E2100L",
             e2100l_setup);