linux-vybrid_public/arch/sh/boards/board-urquell.c

/*
 * Renesas Technology Corp. SH7786 Urquell Support.
 *
 * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>
 * Copyright (C) 2008  Yoshihiro Shimoda
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <linux/mtd/physmap.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <mach/urquell.h>
#include <cpu/sh7786.h>
#include <asm/heartbeat.h>
#include <asm/sizes.h>

static struct resource heartbeat_resources[] = {
	[0] = {
		.start	= BOARDREG(SLEDR),
		.end	= BOARDREG(SLEDR),
		.flags	= IORESOURCE_MEM,
	},
};

static struct heartbeat_data heartbeat_data = {
	.regsize = 16,
};

static struct platform_device heartbeat_device = {
	.name		= "heartbeat",
	.id		= -1,
	.dev	= {
		.platform_data	= &heartbeat_data,
	},
	.num_resources	= ARRAY_SIZE(heartbeat_resources),
	.resource	= heartbeat_resources,
};

static struct mtd_partition nor_flash_partitions[] = {
	{
		.name		= "loader",
		.offset		= 0x00000000,
		.size		= SZ_512K,
		.mask_flags	= MTD_WRITEABLE,	/* Read-only */
	},
	{
		.name		= "bootenv",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_512K,
		.mask_flags	= MTD_WRITEABLE,	/* Read-only */
	},
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= SZ_4M,
	},
	{
		.name		= "data",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data nor_flash_data = {
	.width		= 2,
	.parts		= nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
};

static struct resource nor_flash_resources[] = {
	[0] = {
		.start	= NOR_FLASH_ADDR,
		.end	= NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
		.flags	= IORESOURCE_MEM,
	}
};

static struct platform_device nor_flash_device = {
	.name		= "physmap-flash",
	.dev		= {
		.platform_data	= &nor_flash_data,
	},
	.num_resources	= ARRAY_SIZE(nor_flash_resources),
	.resource	= nor_flash_resources,
};

static struct platform_device *urquell_devices[] __initdata = {
	&heartbeat_device,
	&nor_flash_device,
};

static int __init urquell_devices_setup(void)
{
	/* USB */
	gpio_request(GPIO_FN_USB_OVC0,  NULL);
	gpio_request(GPIO_FN_USB_PENC0, NULL);

	return platform_add_devices(urquell_devices,
				    ARRAY_SIZE(urquell_devices));
}
device_initcall(urquell_devices_setup);

static void urquell_power_off(void)
{
	__raw_writew(0xa5a5, UBOARDREG(SRSTR));
}

/* Initialize the board */
static void __init urquell_setup(char **cmdline_p)
{
	printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n");

	pm_power_off = urquell_power_off;
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_urquell __initmv = {
	.mv_name	= "Urquell",
	.mv_setup	= urquell_setup,
};