aiot/efDataStatistics/alarmDataCalculation/functionDefinition.c

/*
 * arch/arm/mach-orion5x/db88f5281-setup.c
 *
 * Marvell Orion-2 Development Board Setup
 *
 * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/timer.h>
#include <linux/mv643xx_eth.h>
#include <linux/i2c.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <mach/orion5x.h>
#include <linux/platform_data/mtd-orion_nand.h>
#include "common.h"
#include "mpp.h"

/*****************************************************************************
 * DB-88F5281 on board devices
 ****************************************************************************/

/*
 * 512K NOR flash Device bus boot chip select
 */

#define DB88F5281_NOR_BOOT_BASE		0xf4000000
#define DB88F5281_NOR_BOOT_SIZE		SZ_512K

/*
 * 7-Segment on Device bus chip select 0
 */

#define DB88F5281_7SEG_BASE		0xfa000000
#define DB88F5281_7SEG_SIZE		SZ_1K

/*
 * 32M NOR flash on Device bus chip select 1
 */

#define DB88F5281_NOR_BASE		0xfc000000
#define DB88F5281_NOR_SIZE		SZ_32M

/*
 * 32M NAND flash on Device bus chip select 2
 */

#define DB88F5281_NAND_BASE		0xfa800000
#define DB88F5281_NAND_SIZE		SZ_1K

/*
 * PCI
 */

#define DB88F5281_PCI_SLOT0_OFFS		7
#define DB88F5281_PCI_SLOT0_IRQ_PIN		12
#define DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN	13

/*****************************************************************************
 * 512M NOR Flash on Device bus Boot CS
 ****************************************************************************/

static struct physmap_flash_data db88f5281_boot_flash_data = {
	.width		= 1,	/* 8 bit bus width */
};

static struct resource db88f5281_boot_flash_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= DB88F5281_NOR_BOOT_BASE,
	.end		= DB88F5281_NOR_BOOT_BASE + DB88F5281_NOR_BOOT_SIZE - 1,
};

static struct platform_device db88f5281_boot_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &db88f5281_boot_flash_data,
	},
	.num_resources	= 1,
	.resource	= &db88f5281_boot_flash_resource,
};

/*****************************************************************************
 * 32M NOR Flash on Device bus CS1
 ****************************************************************************/

static struct physmap_flash_data db88f5281_nor_flash_data = {
	.width		= 4,	/* 32 bit bus width */
};

static struct resource db88f5281_nor_flash_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= DB88F5281_NOR_BASE,
	.end		= DB88F5281_NOR_BASE + DB88F5281_NOR_SIZE - 1,
};

static struct platform_device db88f5281_nor_flash = {
	.name		= "physmap-flash",
	.id		= 1,
	.dev		= {
		.platform_data	= &db88f5281_nor_flash_data,
	},
	.num_resources	= 1,
	.resource	= &db88f5281_nor_flash_resource,
};

/*****************************************************************************
 * 32M NAND Flash on Device bus CS2
 ****************************************************************************/

static struct mtd_partition db88f5281_nand_parts[] = {
	{
		.name = "kernel",
		.offset = 0,
		.size = SZ_2M,
	}, {
		.name = "root",
		.offset = SZ_2M,
		.size = (SZ_16M - SZ_2M),
	}, {
		.name = "user",
		.offset = SZ_16M,
		.size = SZ_8M,
	}, {
		.name = "recovery",
		.offset = (SZ_16M + SZ_8M),
		.size = SZ_8M,
	},
};

static struct resource db88f5281_nand_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= DB88F5281_NAND_BASE,
	.end		= DB88F5281_NAND_BASE + DB88F5281_NAND_SIZE - 1,
};

static struct orion_nand_data db88f5281_nand_data = {
	.parts		= db88f5281_nand_parts,
	.nr_parts	= ARRAY_SIZE(db88f5281_nand_parts),
	.cle		= 0,
	.ale		= 1,
	.width		= 8,
};

static struct platform_device db88f5281_nand_flash = {
	.name		= "orion_nand",
	.id		= -1,
	.dev		= {
		.platform_data	= &db88f5281_nand_data,
	},
	.resource	= &db88f5281_nand_resource,
	.num_resources	= 1,
};

/*****************************************************************************
 * 7-Segment on Device bus CS0
 * Dummy counter every 2 sec
 ****************************************************************************/

static void __iomem *db88f5281_7seg;
static struct timer_list db88f5281_timer;

static void db88f5281_7seg_event(unsigned long data)
{
	static int count = 0;
	writel(0, db88f5281_7seg + (count << 4));
	count = (count + 1) & 7;
	mod_timer(&db88f5281_timer, jiffies + 2 * HZ);
}

static int __init db88f5281_7seg_init(void)
{
	if (machine_is_db88f5281()) {
		db88f5281_7seg = ioremap(DB88F5281_7SEG_BASE,
					DB88F5281_7SEG_SIZE);
		if (!db88f5281_7seg) {
			printk(KERN_ERR "Failed to ioremap db88f5281_7seg\n");
			return -EIO;
		}
		setup_timer(&db88f5281_timer, db88f5281_7seg_event, 0);
		mod_timer(&db88f5281_timer, jiffies + 2 * HZ);
	}

	return 0;
}

__initcall(db88f5281_7seg_init);

/*****************************************************************************
 * PCI