<commit_before>/*
 *  Copyright (C) 2008 <NAME>, Pengutronix
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/types.h>
#include <linux/init.h>

#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/board-pcm037.h>
#include <mach/mxc_nand.h>

#include "devices.h"

static struct physmap_flash_data pcm037_flash_data = {
	.width  = 2,
};

static struct resource pcm037_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device pcm037_flash = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &pcm037_flash_data,
	},
	.resource = &pcm037_flash_resource,
	.num_resources = 1,
};

static struct imxuart_platform_data uart_pdata = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static struct resource smc911x_resources[] = {
	[0] = {
		.start		= CS1_BASE_ADDR + 0x300,
		.end		= CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
		.end		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
		.flags		= IORESOURCE_IRQ,
	},
};

static struct smc911x_platdata smc911x_info = {
	.flags		= SMC911X_USE_32BIT,
	.irq_flags	= IRQF_SHARED | IRQF_TRIGGER_LOW,
};

static struct platform_device pcm037_eth = {
	.name		= "smc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc911x_resources),
	.resource	= smc911x_resources,
	.dev		= {
		.platform_data = &smc911x_info,
	},
};

static struct platdata_mtd_ram pcm038_sram_data = {
	.bankwidth = 2,
};

static struct resource pcm038_sram_resource = {
	.start = CS4_BASE_ADDR,
	.end   = CS4_BASE_ADDR + 512 * 1024 - 1,
	.flags = IORESOURCE_MEM,
};

static struct platform_device pcm037_sram_device = {
	.name = "mtd-ram",
	.id = 0,
	.dev = {
		.platform_data = &pcm038_sram_data,
	},
	.num_resources = 1,
	.resource = &pcm038_sram_resource,
};

static struct mxc_nand_platform_data pcm037_nand_board_info = {
	.width = 1,
	.hw_ecc = 1,
};

static struct platform_device *devices[] __initdata = {
	&pcm037_flash,
	&pcm037_eth,
	&pcm037_sram_device,
};

static int uart0_pins[] = {
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1
};

static int uart2_pins[] = {
	MX31_PIN_CSPI3_MOSI__RXD3,
	MX31_PIN_CSPI3_MISO__TXD3
};

/*
 * Board specific initialization.
 */
static void __init mxc_board_init(void)
{
	platform_add_devices(devices, ARRAY_SIZE(devices));

	mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
	mxc_register_device(&mxc_uart_device0, &uart_pdata);

	mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
	mxc_register_device(&mxc_uart_device2, &uart_pdata);

	mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
	mxc_register_device(&mxc_w1_master_device, NULL);

	/* SMSC9215 IRQ pin */
	if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
				"pcm037-eth"))
		gpio_direction_input(MX31_PIN_GPIO3_1);

	mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
}

/*
 * This structure defines static mappings for the pcm037 board.
 */
static struct map_desc pcm037_io_desc[] __initdata = {
	{
		.virtual	= AIPS1_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(AIPS1_BASE_ADDR),
		.length		= AIPS1_SIZE,
		.type		= MT_DEVICE_NONSHARED
	}, {
		.virtual	= AIPS2_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(AIPS2_BASE_ADDR),<commit_msg>[ARM] PCM037 Board: Add I2C support<commit_after>/*
 *  Copyright (C) 2008 <NAME>, Pengutronix
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/types.h>
#include <linux/init.h>

#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/plat-ram.h>
#include <linux/memory.h>
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/board-pcm037.h>
#include <mach/mxc_nand.h>
#ifdef CONFIG_I2C_IMX
#include <mach/i2c.h>
#endif

#include "devices.h"

static struct physmap_flash_data pcm037_flash_data = {
	.width  = 2,
};

static struct resource pcm037_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device pcm037_flash = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &pcm037_flash_data,
	},
	.resource = &pcm037_flash_resource,
	.num_resources = 1,
};

static struct imxuart_platform_data uart_pdata = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static struct resource smc911x_resources[] = {
	[0] = {
		.start		= CS1_BASE_ADDR + 0x300,
		.end		= CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
		.end		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
		.flags		= IORESOURCE_IRQ,
	},
};

static struct smc911x_platdata smc911x_info = {
	.flags		= SMC911X_USE_32BIT,
	.irq_flags	= IRQF_SHARED | IRQF_TRIGGER_LOW,
};

static struct platform_device pcm037_eth = {
	.name		= "smc911x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc911x_resources),
	.resource	= smc911x_resources,
	.dev		= {
		.platform_data = &smc911x_info,
	},
};

static struct platdata_mtd_ram pcm038_sram_data = {
	.bankwidth = 2,
};

static struct resource pcm038_sram_resource = {
	.start = CS4_BASE_ADDR,
	.end   = CS4_BASE_ADDR + 512 * 1024 - 1,
	.flags = IORESOURCE_MEM,
};

static struct platform_device pcm037_sram_device = {
	.name = "mtd-ram",
	.id = 0,
	.dev = {
		.platform_data = &pcm038_sram_data,
	},
	.num_resources = 1,
	.resource = &pcm038_sram_resource,
};

static struct mxc_nand_platform_data pcm037_nand_board_info = {
	.width = 1,
	.hw_ecc = 1,
};

#ifdef CONFIG_I2C_IMX
static int i2c_1_pins[] = {
	MX31_PIN_CSPI2_MOSI__SCL,
	MX31_PIN_CSPI2_MISO__SDA,
};

static int pcm037_i2c_1_init(struct device *dev)
{
	return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins),
			"i2c-1");
}

static void pcm037_i2c_1_exit(struct device *dev)
{
	mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins));
}

static struct imxi2c_platform_data pcm037_i2c_1_data = {
	.bitrate = 100000,
	.init = pcm037_i2c_1_init,
	.exit = pcm037_i2c_1_exit,
};

static struct at24_platform_data board_eeprom = {
	.byte_len = 4096,
	.page_size = 32,
	.flags = AT24_FLAG_ADDR16,
};

static struct i2c_board_info pcm037_i2c_devices[] = {
       {
		I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
		.platform_data = &board_eeprom,
	}, {
		I2C_BOARD_INFO("rtc-pcf8563", 0x51),
		.type = "pcf8563",
	}
};
#endif

static struct platform_device *devices[] __initdata = {
	&pcm037_flash,
	&pcm037_eth,
	&pcm037_sram_device,
};

static int uart0_pins[] = {
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1
};

static int uart2_pins[] = {
	MX31_PIN_CSPI3_MOSI__RXD3,
	MX31_PIN_CSPI3_MISO__TXD3
};

/*
 * Board specific initialization.
 */
static void __init mxc_board_init(void)
{
	platform_add_devices(devices, ARRAY_SIZE(devices));

	mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
	mxc_register_device(&mxc_uart_device0, &uart_pdata);

	mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
	mxc_register_device(&mxc_uart_device2, &uart_pdata);

	mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
	mxc_register_device(&mxc_w1_master_device, NULL);

	/* SMSC9215 IRQ pin */
	if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
				"pcm037-eth"))
		gpio_direction_input(MX31_PIN_GPIO3_1);

#ifdef CONFIG_I2C_IMX
	i2c_register_board_info(1, pcm037_i2c_devices,
			ARRAY_SIZE(pcm037_i2c_devices));

	mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
#endif
	mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
}

/*
 * This structure defines static mappings for the pcm037 board.
 */
static struct map_desc pcm037_io_desc[] __initdata = {
	{
		.virtual	= AIPS1_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(AIPS1_BASE_ADDR),
		.length		= AIPS1_SIZE,
		.type		= MT_DEVICE_NONSHARED
	}, {
		.virtual	= AIPS2_BASE_ADDR_VIRT,
		.pfn		= __phys_to_pfn(AIPS2_BASE_ADDR),
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