aiot/efElectricAgingTrendMining/analysisOfEnvironmentalFactors/synchronousMemoryDatabase.c

/*
 * Copyright (C) 2009 Integration Software and Electronic Engineering.
 *
 * Modified from mach-omap2/board-generic.c
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/input.h>

#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/i2c/twl.h>
#include <linux/mmc/host.h>

#include <linux/mtd/nand.h>

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

#include <video/omapdss.h>
#include <video/omap-panel-tfp410.h>
#include <linux/platform_data/mtd-onenand-omap2.h>

#include "common.h"
#include "gpmc.h"
#include "mux.h"
#include "hsmmc.h"
#include "sdram-numonyx-m65kxxxxam.h"
#include "common-board-devices.h"
#include "board-flash.h"
#include "control.h"
#include "gpmc-onenand.h"

#define IGEP2_SMSC911X_CS       5
#define IGEP2_SMSC911X_GPIO     176
#define IGEP2_GPIO_USBH_NRESET  24
#define IGEP2_GPIO_LED0_GREEN   26
#define IGEP2_GPIO_LED0_RED     27
#define IGEP2_GPIO_LED1_RED     28
#define IGEP2_GPIO_DVI_PUP      170

#define IGEP2_RB_GPIO_WIFI_NPD     94
#define IGEP2_RB_GPIO_WIFI_NRESET  95
#define IGEP2_RB_GPIO_BT_NRESET    137
#define IGEP2_RC_GPIO_WIFI_NPD     138
#define IGEP2_RC_GPIO_WIFI_NRESET  139
#define IGEP2_RC_GPIO_BT_NRESET    137

#define IGEP3_GPIO_LED0_GREEN	54
#define IGEP3_GPIO_LED0_RED	53
#define IGEP3_GPIO_LED1_RED	16
#define IGEP3_GPIO_USBH_NRESET  183

#define IGEP_SYSBOOT_MASK           0x1f
#define IGEP_SYSBOOT_NAND           0x0f
#define IGEP_SYSBOOT_ONENAND        0x10

/*
 * IGEP2 Hardware Revision Table
 *
 *  --------------------------------------------------------------------------
 * | Id. | Hw Rev.            | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
 *  --------------------------------------------------------------------------
 * |  0  | B                  |   high   |  gpio94  |   gpio95    |     -     |
 * |  0  | B/C (B-compatible) |   high   |  gpio94  |   gpio95    |  gpio137  |
 * |  1  | C                  |   low    |  gpio138 |   gpio139   |  gpio137  |
 *  --------------------------------------------------------------------------
 */

#define IGEP2_BOARD_HWREV_B	0
#define IGEP2_BOARD_HWREV_C	1
#define IGEP3_BOARD_HWREV	2

static u8 hwrev;

static void __init igep2_get_revision(void)
{
	u8 ret;

	if (machine_is_igep0030()) {
		hwrev = IGEP3_BOARD_HWREV;
		return;
	}

	omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);

	if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
		pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
		pr_err("IGEP2: Unknown Hardware Revision\n");
		return;
	}

	ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
	if (ret == 0) {
		pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
		hwrev = IGEP2_BOARD_HWREV_C;
	} else if (ret ==  1) {
		pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
		hwrev = IGEP2_BOARD_HWREV_B;
	} else {
		pr_err("IGEP2: Unknown Hardware Revision\n");
		hwrev = -1;
	}

	gpio_free(IGEP2_GPIO_LED1_RED);
}

#if defined(CONFIG_MTD_ONENAND_OMAP2) ||		\
	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) ||	\
	defined(CONFIG_MTD_NAND_OMAP2) ||		\
	defined(CONFIG_MTD_NAND_OMAP2_MODULE)

#define ONENAND_MAP             0x20000000

/* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
 * Since the device is equipped with two DataRAMs, and two-plane NAND
 * Flash memory array, these two component enables simultaneous program