aiot/waterDataFluctuationCorrelation/fluctuationCorrelationOfSprayEnd/hiddenDangerAnalysis.c

/*
 * TI DA850/OMAP-L138 EVM board
 *
 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
 *
 * Derived from: arch/arm/mach-davinci/board-da830-evm.c
 * Original Copyrights follow:
 *
 * 2007, 2009 (c) MontaVista Software, Inc. 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/console.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/i2c/pca953x.h>
#include <linux/input.h>
#include <linux/input/tps6507x-ts.h>
#include <linux/mfd/tps6507x.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/platform_data/mtd-davinci.h>
#include <linux/platform_data/mtd-davinci-aemif.h>
#include <linux/platform_data/spi-davinci.h>
#include <linux/platform_data/uio_pruss.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/tps6507x.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/wl12xx.h>

#include <mach/cp_intc.h>
#include <mach/da8xx.h>
#include <mach/mux.h>
#include <mach/sram.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/system_info.h>

#include <media/tvp514x.h>
#include <media/adv7343.h>

#define DA850_EVM_PHY_ID		"davinci_mdio-0:00"
#define DA850_LCD_PWR_PIN		GPIO_TO_PIN(2, 8)
#define DA850_LCD_BL_PIN		GPIO_TO_PIN(2, 15)

#define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0)
#define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1)

#define DA850_WLAN_EN			GPIO_TO_PIN(6, 9)
#define DA850_WLAN_IRQ			GPIO_TO_PIN(6, 10)

#define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6)

static struct mtd_partition da850evm_spiflash_part[] = {
	[0] = {
		.name = "UBL",
		.offset = 0,
		.size = SZ_64K,
		.mask_flags = MTD_WRITEABLE,
	},
	[1] = {
		.name = "U-Boot",
		.offset = MTDPART_OFS_APPEND,
		.size = SZ_512K,
		.mask_flags = MTD_WRITEABLE,
	},
	[2] = {
		.name = "U-Boot-Env",
		.offset = MTDPART_OFS_APPEND,
		.size = SZ_64K,
		.mask_flags = MTD_WRITEABLE,
	},
	[3] = {
		.name = "Kernel",
		.offset = MTDPART_OFS_APPEND,
		.size = SZ_2M + SZ_512K,
		.mask_flags = 0,
	},
	[4] = {
		.name = "Filesystem",
		.offset = MTDPART_OFS_APPEND,
		.size = SZ_4M,
		.mask_flags = 0,
	},
	[5] = {
		.name = "MAC-Address",
		.offset = SZ_8M - SZ_64K,
		.size = SZ_64K,
		.mask_flags = MTD_WRITEABLE,
	},
};

static struct flash_platform_data da850evm_spiflash_data = {
	.name		= "m25p80",
	.parts		= da850evm_spiflash_part,
	.nr_parts	= ARRAY_SIZE(da850evm_spiflash_part),
	.type		= "m25p64",
};

static struct davinci_spi_config da850evm_spiflash_cfg = {
	.io_type	= SPI_IO_TYPE_DMA,
	.c2tdelay	= 8,
	.t2cdelay	= 8,
};

static struct spi_board_info da850evm_spi_info[] = {
	{
		.modalias		= "m25p80",
		.platform_data		= &da850evm_spiflash_data,
		.controller_data	= &da850evm_spiflash_cfg,
		.mode			= SPI_MODE_0,
		.max_speed_hz		= 30000000,
		.bus_num		= 1,
		.chip_select		= 0,
	},
};

#ifdef CONFIG_MTD
static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
{
	char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
	size_t retlen;

	if (!strcmp(mtd->name, "MAC-Address")) {
		mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
		if (retlen == ETH_ALEN)
			pr_info("Read MAC addr from SPI Flash: %pM\n",
				mac_addr);
	}
}

static struct mtd_notifier da850evm_spi_notifier = {
	.add	= da850_evm_m25p80_notify_add,
};

static void da850_evm_setup_mac_addr(void)
{
	register_mtd_user(&da850evm_spi_notifier);
}
#else
static void da850_evm_setup_mac_addr(void) { }