/*
 *  TP-LINK TL-WR741ND board support
 *
 *  Copyright (C) 2009 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 <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/input.h>
#include <linux/ath9k_platform.h>

#include <asm/mips_machine.h>

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

#include "devices.h"

#define TL_WR741ND_GPIO_LED_QSS		0
#define TL_WR741ND_GPIO_LED_SYSTEM	1

#define TL_WR741ND_GPIO_BTN_RESET	11
#define TL_WR741ND_GPIO_BTN_QSS		12

#define TL_WR741ND_BUTTONS_POLL_INTERVAL	20

#ifdef CONFIG_MTD_PARTITIONS
static struct mtd_partition tl_wr741nd_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_wr741nd_flash_data = {
#ifdef CONFIG_MTD_PARTITIONS
        .parts          = tl_wr741nd_partitions,
        .nr_parts       = ARRAY_SIZE(tl_wr741nd_partitions),
#endif
};

static struct spi_board_info tl_wr741nd_spi_info[] = {
	{
		.bus_num	= 0,
		.chip_select	= 0,
		.max_speed_hz	= 25000000,
		.modalias	= "m25p80",
		.platform_data  = &tl_wr741nd_flash_data,
	}
};

static struct gpio_led tl_wr741nd_leds_gpio[] __initdata = {
	{
		.name		= "tl-wr741nd:green:system",
		.gpio		= TL_WR741ND_GPIO_LED_SYSTEM,
		.active_low	= 1,
	}, {
		.name		= "tl-wr741nd:green:qss",
		.gpio		= TL_WR741ND_GPIO_LED_QSS,
		.active_low	= 1,
	}
};

static struct gpio_button tl_wr741nd_gpio_buttons[] __initdata = {
	{
		.desc		= "reset",
		.type		= EV_KEY,
		.code		= BTN_0,
		.threshold	= 5,
		.gpio		= TL_WR741ND_GPIO_BTN_RESET,
		.active_low	= 1,
	}, {
		.desc		= "qss",
		.type		= EV_KEY,
		.code		= BTN_1,
		.threshold	= 5,
		.gpio		= TL_WR741ND_GPIO_BTN_QSS,
		.active_low	= 1,
	}
};

#ifdef CONFIG_PCI
static struct ar71xx_pci_irq tl_wr741nd_pci_irqs[] __initdata = {
	{
		.slot	= 0,
		.pin	= 1,
		.irq	= AR71XX_PCI_IRQ_DEV0,
	}
};

static struct ath9k_platform_data tl_wr741nd_wmac_data;

static int tl_wr741nd_pci_plat_dev_init(struct pci_dev *dev)
{
	dev->dev.platform_data = &tl_wr741nd_wmac_data;
	return 0;
}

static void tl_wr741nd_pci_init(void)
{
	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);

	memcpy(tl_wr741nd_wmac_data.eeprom_data, ee,
	       sizeof(tl_wr741nd_wmac_data.eeprom_data));

	ar71xx_pci_plat_dev_init = tl_wr741nd_pci_plat_dev_init;

	ar71xx_pci_init(ARRAY_SIZE(tl_wr741nd_pci_irqs), tl_wr741nd_pci_irqs);
}
#else
static inline void tl_wr741nd_pci_init(void) { };
#endif /* CONFIG_PCI */

static void __init tl_wr741nd_setup(void)
{
	u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);

	ar71xx_set_mac_base(mac);
	ar71xx_add_device_mdio(0x0);

	/* WAN port */
	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
	ar71xx_eth0_data.phy_mask = 0x0;
	ar71xx_eth0_data.speed = SPEED_100;
	ar71xx_eth0_data.duplex = DUPLEX_FULL;

	/* LAN ports */
	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
	ar71xx_eth1_data.phy_mask = 0x0;
	ar71xx_eth1_data.speed = SPEED_1000;
	ar71xx_eth1_data.duplex = DUPLEX_FULL;

	ar71xx_add_device_eth(1);
	ar71xx_add_device_eth(0);

	ar71xx_add_device_spi(NULL, tl_wr741nd_spi_info,
					ARRAY_SIZE(tl_wr741nd_spi_info));

	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tl_wr741nd_leds_gpio),
					tl_wr741nd_leds_gpio);

	ar71xx_add_device_gpio_buttons(-1, TL_WR741ND_BUTTONS_POLL_INTERVAL,
					ARRAY_SIZE(tl_wr741nd_gpio_buttons),
					tl_wr741nd_gpio_buttons);

	tl_wr741nd_pci_init();
}
MIPS_MACHINE(AR71XX_MACH_TL_WR741ND, "TP-LINK TL-WR741ND", tl_wr741nd_setup);