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/*
 *  TP-LINK TL-WA901ND board support
 *
 *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2010 Pieter Hollants <pieter@hollants.com>
 *
 *  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/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <asm/mach-ar71xx/ar71xx.h>

#include "machtype.h"
#include "devices.h"
#include "dev-dsa.h"
#include "dev-m25p80.h"
#include "dev-ap91-pci.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"

#define TL_WA901ND_GPIO_LED_QSS		0
#define TL_WA901ND_GPIO_LED_SYSTEM	1

#define TL_WA901ND_GPIO_BTN_RESET	11
#define TL_WA901ND_GPIO_BTN_QSS		12

#define TL_WA901ND_BUTTONS_POLL_INTERVAL	20

#ifdef CONFIG_MTD_PARTITIONS
static struct mtd_partition tl_wa901nd_partitions[] = {
	{
		.name		= "u-boot",
		.offset		= 0,
		.size		= 0x020000,
		.mask_flags	= MTD_WRITEABLE,
	} , {
		.name		= "kernel",
		.offset		= 0x020000,
		.size		= 0x140000,
	} , {
		.name		= "rootfs",
		.offset		= 0x160000,
		.size		= 0x290000,
	} , {
		.name		= "art",
		.offset		= 0x3f0000,
		.size		= 0x010000,
		.mask_flags	= MTD_WRITEABLE,
	} , {
		.name		= "firmware",
		.offset		= 0x020000,
		.size		= 0x3d0000,
	}
};
#endif /* CONFIG_MTD_PARTITIONS */

static struct flash_platform_data tl_wa901nd_flash_data = {
#ifdef CONFIG_MTD_PARTITIONS
        .parts          = tl_wa901nd_partitions,
        .nr_parts       = ARRAY_SIZE(tl_wa901nd_partitions),
#endif
};

static struct gpio_led tl_wa901nd_leds_gpio[] __initdata = {
	{
		.name		= "tl-wa901nd:green:system",
		.gpio		= TL_WA901ND_GPIO_LED_SYSTEM,
		.active_low	= 1,
	}, {
		.name		= "tl-wa901nd:green:qss",
		.gpio		= TL_WA901ND_GPIO_LED_QSS,
		.active_low	= 1,
	}
};

static struct gpio_button tl_wa901nd_gpio_buttons[] __initdata = {
	{
		.desc		= "reset",
		.type		= EV_KEY,
		.code		= BTN_0,
		.threshold	= 3,
		.gpio		= TL_WA901ND_GPIO_BTN_RESET,
		.active_low	= 1,
	}, {
		.desc		= "qss",
		.type		= EV_KEY,
		.code		= BTN_1,
		.threshold	= 3,
		.gpio		= TL_WA901ND_GPIO_BTN_QSS,
		.active_low	= 1,
	}
};

static struct dsa_chip_data tl_wa901nd_v1_dsa_chip = {
	.port_names[0]  = "cpu",
	.port_names[1]  = "lan",
};

static struct dsa_platform_data tl_wa901nd_v1_dsa_data = {
	.nr_chips	= 1,
	.chip		= &tl_wa901nd_v1_dsa_chip,
};

static void __init tl_wa901nd_setup(void)
{
	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
	u8 *ee  = (u8 *) KSEG1ADDR(0x1fff1000);

	ar71xx_set_mac_base(mac);

	/*
	 * ar71xx_eth0 would be the WAN port, but is not connected on
	 * the TL-WA901ND. ar71xx_eth1 connects to the internal switch chip,
	 * however we have a single LAN port only.
	 */
	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
	ar71xx_eth1_data.speed       = SPEED_1000;
	ar71xx_eth1_data.duplex      = DUPLEX_FULL;

	ar71xx_add_device_mdio(0x0);
	ar71xx_add_device_eth(1);

	ar71xx_add_device_dsa(1, &tl_wa901nd_v1_dsa_data);

	ar71xx_add_device_m25p80(&tl_wa901nd_flash_data);

	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wa901nd_leds_gpio),
	                            tl_wa901nd_leds_gpio);

	ar71xx_add_device_gpio_buttons(-1, TL_WA901ND_BUTTONS_POLL_INTERVAL,
	                               ARRAY_SIZE(tl_wa901nd_gpio_buttons),
	                               tl_wa901nd_gpio_buttons);

	ap91_pci_init(ee, mac);
}

MIPS_MACHINE(AR71XX_MACH_TL_WA901ND, "TL-WA901ND", "TP-LINK TL-WA901ND",
             tl_wa901nd_setup);