aiot/efDataDiscreteRateMining/main.c

/*
 *  Board-specific setup code for the AT91SAM9M10G45 Evaluation Kit family
 *
 *  Covers: * AT91SAM9G45-EKES  board
 *          * AT91SAM9M10G45-EK board
 *
 *  Copyright (C) 2009 Atmel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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/types.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/fb.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/leds.h>
#include <linux/atmel-mci.h>
#include <linux/delay.h>

#include <linux/platform_data/at91_adc.h>

#include <mach/hardware.h>
#include <video/atmel_lcdc.h>
#include <media/soc_camera.h>
#include <media/atmel-isi.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/at91sam9_smc.h>
#include <mach/system_rev.h>

#include "at91_aic.h"
#include "at91_shdwc.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"


static void __init ek_init_early(void)
{
	/* Initialize processor: 12.000 MHz crystal */
	at91_initialize(12000000);
}

/*
 * USB HS Host port (common to OHCI & EHCI)
 */
static struct at91_usbh_data __initdata ek_usbh_hs_data = {
	.ports		= 2,
	.vbus_pin	= {AT91_PIN_PD1, AT91_PIN_PD3},
	.vbus_pin_active_low = {1, 1},
	.overcurrent_pin= {-EINVAL, -EINVAL},
};


/*
 * USB HS Device port
 */
static struct usba_platform_data __initdata ek_usba_udc_data = {
	.vbus_pin	= AT91_PIN_PB19,
};


/*
 * SPI devices.
 */
static struct spi_board_info ek_spi_devices[] = {
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 15 * 1000 * 1000,
		.bus_num	= 0,
	},
};


/*
 * MCI (SD/MMC)
 */
static struct mci_platform_data __initdata mci0_data = {
	.slot[0] = {
		.bus_width	= 4,
		.detect_pin	= AT91_PIN_PD10,
		.wp_pin		= -EINVAL,
	},
};

static struct mci_platform_data __initdata mci1_data = {
	.slot[0] = {
		.bus_width	= 4,
		.detect_pin	= AT91_PIN_PD11,
		.wp_pin		= AT91_PIN_PD29,
	},
};


/*
 * MACB Ethernet device
 */
static struct macb_platform_data __initdata ek_macb_data = {
	.phy_irq_pin	= AT91_PIN_PD5,
	.is_rmii	= 1,
};


/*
 * NAND flash
 */
static struct mtd_partition __initdata ek_nand_partition[] = {
	{
		.name	= "Partition 1",
		.offset	= 0,
		.size	= SZ_64M,
	},
	{
		.name	= "Partition 2",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= MTDPART_SIZ_FULL,
	},
};

/* det_pin is not connected */
static struct atmel_nand_data __initdata ek_nand_data = {
	.ale		= 21,
	.cle		= 22,
	.rdy_pin	= AT91_PIN_PC8,
	.enable_pin	= AT91_PIN_PC14,
	.det_pin	= -EINVAL,
	.ecc_mode	= NAND_ECC_SOFT,
	.on_flash_bbt	= 1,
	.parts		= ek_nand_partition,
	.num_parts	= ARRAY_SIZE(ek_nand_partition),
};

static struct sam9_smc_config __initdata ek_nand_smc_config = {
	.ncs_read_setup		= 0,
	.nrd_setup		= 2,
	.ncs_write_setup	= 0,
	.nwe_setup		= 2,

	.ncs_read_pulse		= 4,
	.nrd_pulse		= 4,
	.ncs_write_pulse	= 4,
	.nwe_pulse		= 4,

	.read_cycle		= 7,
	.write_cycle		= 7,

	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
	.tdf_cycles		= 3,
};

static void __init ek_add_device_nand(void)
{
	ek_nand_data.bus_width_16 = board_have_nand_16bit();
	/* setup bus-width (8 or 16) */
	if (ek_nand_data.bus_width_16)
		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
	else
		ek_nand_smc_config.mode |= AT91_SMC_DBW_8;

	/* configure chip-select 3 (NAND) */
	sam9_smc_configure(0, 3, &ek_nand_smc_config);

	at91_add_device_nand(&ek_nand_data);
}


/*
 *  ISI
 */
static struct isi_platform_data __initdata isi_data = {
	.frate			= ISI_CFG1_FRATE_CAPTURE_ALL,
	/* to use codec and preview path simultaneously */
	.full_mode		= 1,
	.data_width_flags	= ISI_DATAWIDTH_8 | ISI_DATAWIDTH_10,
	/* ISI_MCK is provided by programmable clock or external clock */
	.mck_hz			= 25000000,
};


/*
 * soc-camera OV2640
 */
#if defined(CONFIG_SOC_CAMERA_OV2640) || \
	defined(CONFIG_SOC_CAMERA_OV2640_MODULE)
static unsigned long isi_camera_query_bus_param(struct soc_camera_link *link)
{
	/* ISI board for ek using default 8-bits connection */
	return SOCAM_DATAWIDTH_8;
}

static int i2c_camera_power(struct device *dev, int on)
{
	/* enable or disable the camera */
	pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
	at91_set_gpio_output(AT91_PIN_PD13, !on);

	if (!on)
		goto out;

	/* If enabled, give a reset impulse */
	at91_set_gpio_output(AT91_PIN_PD12, 0);
	msleep(20);
	at91_set_gpio_output(AT91_PIN_PD12, 1);
	msleep(100);

out:
	return 0;
}

static struct i2c_board_info i2c_camera = {
	I2C_BOARD_INFO("ov2640", 0x30),
};

static struct soc_camera_link iclink_ov2640 = {
	.bus_id			= 0,
	.board_info		= &i2c_camera,
	.i2c_adapter_id		= 0,
	.power			= i2c_camera_power,
	.query_bus_param	= isi_camera_query_bus_param,
};

static struct platform_device isi_ov2640 = {
	.name	= "soc-camera-pdrv",
	.id	= 0,
	.dev	= {
		.platform_data = &iclink_ov2640,
	},
};
#endif


/*
 * LCD Controller
 */
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)