/*
 * arch/arm/mach-orion5x/dns323-setup.c
 *
 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
 *
 * Support for HW Rev C1:
 *
 * Copyright (C) 2010 Benjamin Herrenschmidt <benh@kernel.crashing.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/ata_platform.h>
#include <linux/phy.h>
#include <linux/marvell_phy.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <asm/system_info.h>
#include <mach/orion5x.h>
#include <plat/orion-gpio.h>
#include "common.h"
#include "mpp.h"

/* Rev A1 and B1 */
#define DNS323_GPIO_LED_RIGHT_AMBER	1
#define DNS323_GPIO_LED_LEFT_AMBER	2
#define DNS323_GPIO_SYSTEM_UP		3
#define DNS323_GPIO_LED_POWER1		4
#define DNS323_GPIO_LED_POWER2		5
#define DNS323_GPIO_OVERTEMP		6
#define DNS323_GPIO_RTC			7
#define DNS323_GPIO_POWER_OFF		8
#define DNS323_GPIO_KEY_POWER		9
#define DNS323_GPIO_KEY_RESET		10

/* Rev C1 */
#define DNS323C_GPIO_KEY_POWER		1
#define DNS323C_GPIO_POWER_OFF		2
#define DNS323C_GPIO_LED_RIGHT_AMBER	8
#define DNS323C_GPIO_LED_LEFT_AMBER	9
#define DNS323C_GPIO_LED_POWER		17
#define DNS323C_GPIO_FAN_BIT1		18
#define DNS323C_GPIO_FAN_BIT0		19

/* Exposed to userspace, do not change */
enum {
	DNS323_REV_A1,	/* 0 */
	DNS323_REV_B1,	/* 1 */
	DNS323_REV_C1,	/* 2 */
};


/****************************************************************************
 * PCI setup
 */

static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
	int irq;

	/*
	 * Check for devices with hard-wired IRQs.
	 */
	irq = orion5x_pci_map_irq(dev, slot, pin);
	if (irq != -1)
		return irq;

	return -1;
}

static struct hw_pci dns323_pci __initdata = {
	.nr_controllers = 2,
	.setup		= orion5x_pci_sys_setup,
	.scan		= orion5x_pci_sys_scan_bus,
	.map_irq	= dns323_pci_map_irq,
};

static int __init dns323_pci_init(void)
{
	/* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI
	 * gets in the way of initialising the SATA controller.
	 */
	if (machine_is_dns323() && system_rev == DNS323_REV_A1)
		pci_common_init(&dns323_pci);

	return 0;
}

subsys_initcall(dns323_pci_init);

/****************************************************************************
 * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
 *
 * Layout as used by D-Link:
 *  0x00000000-0x00010000 : "MTD1"
 *  0x00010000-0x00020000 : "MTD2"
 *  0x00020000-0x001a0000 : "Linux Kernel"
 *  0x001a0000-0x007d0000 : "File System"
 *  0x007d0000-0x00800000 : "u-boot"
 */

#define DNS323_NOR_BOOT_BASE 0xf4000000
#define DNS323_NOR_BOOT_SIZE SZ_8M

static struct mtd_partition dns323_partitions[] = {
	{
		.name	= "MTD1",
		.size	= 0x00010000,
		.offset	= 0,
	}, {
		.name	= "MTD2",
		.size	= 0x00010000,
		.offset = 0x00010000,
	}, {
		.name	= "Linux Kernel",
		.size	= 0x00180000,
		.offset	= 0x00020000,
	}, {
		.name	= "File System",
		.size	= 0x00630000,
		.offset	= 0x001A0000,
	}, {
		.name	= "u-boot",
		.size	= 0x00030000,
		.offset	= 0x007d0000,
	},
};

static struct physmap_flash_data dns323_nor_flash_data = {
	.width		= 1,
	.parts		= dns323_partitions,
	.nr_parts	= ARRAY_SIZE(dns323_partitions)
};

static struct resource dns323_nor_flash_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= DNS323_NOR_BOOT_BASE,
	.end		= DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
};

static struct platform_device dns323_nor_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &dns323_nor_flash_data,
	},
	.resource	= &dns323_nor_flash_resource,