[linux-2.6-block.git] / arch / arm / mach-imx / mach-mx31moboard.c

/*
 *  Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
 *
 * 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.
 */

#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/gfp.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/leds.h>
#include <linux/memory.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_device.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/mc13783.h>
#include <linux/spi/spi.h>
#include <linux/types.h>
#include <linux/memblock.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/input.h>

#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <asm/memblock.h>
#include <mach/board-mx31moboard.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx3.h>
#include <mach/ulpi.h>

#include "devices-imx31.h"

static unsigned int moboard_pins[] = {
	/* UART0 */
	MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
	MX31_PIN_CTS1__GPIO2_7,
	/* UART4 */
	MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
	MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
	/* I2C0 */
	MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
	/* I2C1 */
	MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
	/* SDHC1 */
	MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
	MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
	MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
	MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
	/* USB reset */
	MX31_PIN_GPIO1_0__GPIO1_0,
	/* USB OTG */
	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
	MX31_PIN_USB_OC__GPIO1_30,
	/* USB H2 */
	MX31_PIN_USBH2_DATA0__USBH2_DATA0,
	MX31_PIN_USBH2_DATA1__USBH2_DATA1,
	MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
	MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
	MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
	MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
	MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
	MX31_PIN_SCK6__GPIO1_25,
	/* LEDs */
	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
	/* SPI1 */
	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
	/* Atlas IRQ */
	MX31_PIN_GPIO1_3__GPIO1_3,
	/* SPI2 */
	MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
	MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
	MX31_PIN_CSPI2_SS1__CSPI3_SS1,
};

static struct physmap_flash_data mx31moboard_flash_data = {
	.width	= 2,
};

static struct resource mx31moboard_flash_resource = {
	.start	= 0xa0000000,
	.end	= 0xa1ffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device mx31moboard_flash = {
	.name	= "physmap-flash",
	.id	= 0,
	.dev	= {
		.platform_data  = &mx31moboard_flash_data,
	},
	.resource = &mx31moboard_flash_resource,
	.num_resources = 1,
};

static int moboard_uart0_init(struct platform_device *pdev)
{
	int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
	if (ret)
		return ret;

	ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
	if (ret)
		gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));

	return ret;
}

static void moboard_uart0_exit(struct platform_device *pdev)
{
	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
}

static const struct imxuart_platform_data uart0_pdata __initconst = {
	.init = moboard_uart0_init,
	.exit = moboard_uart0_exit,
};

static const struct imxuart_platform_data uart4_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
	.bitrate = 400000,
};

static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
	.bitrate = 100000,
};

static int moboard_spi1_cs[] = {
	MXC_SPI_CS(0),
	MXC_SPI_CS(2),
};

static const struct spi_imx_master moboard_spi1_pdata __initconst = {
	.chipselect	= moboard_spi1_cs,
	.num_chipselect	= ARRAY_SIZE(moboard_spi1_cs),
};

static struct regulator_consumer_supply sdhc_consumers[] = {
	{
		.dev_name = "mxc-mmc.0",
		.supply	= "sdhc0_vcc",
	},
	{
		.dev_name = "mxc-mmc.1",
		.supply	= "sdhc1_vcc",
	},
};

static struct regulator_init_data sdhc_vreg_data = {
	.constraints = {
		.min_uV = 2700000,
		.max_uV = 3000000,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
			REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
		.valid_modes_mask = REGULATOR_MODE_NORMAL |
			REGULATOR_MODE_FAST,
		.always_on = 0,
		.boot_on = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
	.consumer_supplies = sdhc_consumers,
};

static struct regulator_consumer_supply cam_consumers[] = {
	{
		.dev_name = "mx3_camera.0",
		.supply = "cam_vcc",
	},
};

static struct regulator_init_data cam_vreg_data = {
	.constraints = {
		.min_uV = 2700000,
		.max_uV = 3000000,
		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
			REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
		.valid_modes_mask = REGULATOR_MODE_NORMAL |
			REGULATOR_MODE_FAST,
		.always_on = 0,
		.boot_on = 1,
	},
	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
	.consumer_supplies = cam_consumers,
};

static struct mc13xxx_regulator_init_data moboard_regulators[] = {
	{
		.id = MC13783_REG_VMMC1,
		.init_data = &sdhc_vreg_data,
	},
	{
		.id = MC13783_REG_VCAM,
		.init_data = &cam_vreg_data,
	},
};

static struct mc13xxx_led_platform_data moboard_led[] = {
	{
		.id = MC13783_LED_R1,
		.name = "coreboard-led-4:red",
		.max_current = 2,
	},
	{
		.id = MC13783_LED_G1,
		.name = "coreboard-led-4:green",
		.max_current = 2,
	},
	{
		.id = MC13783_LED_B1,
		.name = "coreboard-led-4:blue",
		.max_current = 2,
	},
	{
		.id = MC13783_LED_R2,
		.name = "coreboard-led-5:red",
		.max_current = 3,
	},
	{
		.id = MC13783_LED_G2,
		.name = "coreboard-led-5:green",
		.max_current = 3,
	},
	{
		.id = MC13783_LED_B2,
		.name = "coreboard-led-5:blue",
		.max_current = 3,
	},
};

static struct mc13xxx_leds_platform_data moboard_leds = {
	.num_leds = ARRAY_SIZE(moboard_led),
	.led = moboard_led,
	.flags = MC13783_LED_SLEWLIMTC,
	.abmode = MC13783_LED_AB_DISABLED,
	.tc1_period = MC13783_LED_PERIOD_10MS,
	.tc2_period = MC13783_LED_PERIOD_10MS,
};

static struct mc13xxx_buttons_platform_data moboard_buttons = {
	.b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
			MC13783_BUTTON_POL_INVERT,
	.b1on_key = KEY_POWER,
};

static struct mc13xxx_platform_data moboard_pmic = {
	.regulators = {
		.regulators = moboard_regulators,
		.num_regulators = ARRAY_SIZE(moboard_regulators),
	},
	.leds = &moboard_leds,
	.buttons = &moboard_buttons,
	.flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC,
};

static struct spi_board_info moboard_spi_board_info[] __initdata = {
	{
		.modalias = "mc13783",
		.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
		.max_speed_hz = 300000,
		.bus_num = 1,
		.chip_select = 0,
		.platform_data = &moboard_pmic,
		.mode = SPI_CS_HIGH,
	},
};

static int moboard_spi2_cs[] = {
	MXC_SPI_CS(1),
};

static const struct spi_imx_master moboard_spi2_pdata __initconst = {
	.chipselect	= moboard_spi2_cs,
	.num_chipselect	= ARRAY_SIZE(moboard_spi2_cs),
};

#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)

static int moboard_sdhc1_get_ro(struct device *dev)
{
	return !gpio_get_value(SDHC1_WP);
}

static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
		void *data)
{
	int ret;

	ret = gpio_request(SDHC1_CD, "sdhc-detect");
	if (ret)
		return ret;

	gpio_direction_input(SDHC1_CD);

	ret = gpio_request(SDHC1_WP, "sdhc-wp");
	if (ret)
		goto err_gpio_free;
	gpio_direction_input(SDHC1_WP);

	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
		"sdhc1-card-detect", data);
	if (ret)
		goto err_gpio_free_2;

	return 0;

err_gpio_free_2:
	gpio_free(SDHC1_WP);
err_gpio_free:
	gpio_free(SDHC1_CD);

	return ret;
}

static void moboard_sdhc1_exit(struct device *dev, void *data)
{
	free_irq(gpio_to_irq(SDHC1_CD), data);
	gpio_free(SDHC1_WP);
	gpio_free(SDHC1_CD);
}

static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
	.get_ro	= moboard_sdhc1_get_ro,
	.init	= moboard_sdhc1_init,
	.exit	= moboard_sdhc1_exit,
};

/*
 * this pin is dedicated for all mx31moboard systems, so we do it here
 */
#define USB_RESET_B	IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
		      PAD_CTL_ODE_CMOS)

#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)

static void usb_xcvr_reset(void)
{
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);

	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);

	gpio_request(OTG_EN_B, "usb-udc-en");
	gpio_direction_output(OTG_EN_B, 0);
	gpio_request(USBH2_EN_B, "usbh2-en");
	gpio_direction_output(USBH2_EN_B, 0);

	gpio_request(USB_RESET_B, "usb-reset");
	gpio_direction_output(USB_RESET_B, 0);
	mdelay(1);
	gpio_set_value(USB_RESET_B, 1);
	mdelay(1);
}

static int moboard_usbh2_init_hw(struct platform_device *pdev)
{
	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
}

static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
	.init	= moboard_usbh2_init_hw,
	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
};

static int __init moboard_usbh2_init(void)
{
	struct platform_device *pdev;

	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
			ULPI_OTG_DRVVBUS_EXT);
	if (!usbh2_pdata.otg)
		return -ENODEV;

	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
	if (IS_ERR(pdev))
		return PTR_ERR(pdev);

	return 0;
}

static const struct gpio_led mx31moboard_leds[] __initconst = {
	{
		.name	= "coreboard-led-0:red:running",
		.default_trigger = "heartbeat",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SVEN0),
	}, {
		.name	= "coreboard-led-1:red",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_STX0),
	}, {
		.name	= "coreboard-led-2:red",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SRX0),
	}, {
		.name	= "coreboard-led-3:red",
		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
	},
};

static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
	.num_leds	= ARRAY_SIZE(mx31moboard_leds),
	.leds		= mx31moboard_leds,
};

static const struct ipu_platform_data mx3_ipu_data __initconst = {
	.irq_base = MXC_IPU_IRQ_START,
};

static struct platform_device *devices[] __initdata = {
	&mx31moboard_flash,
};

static struct mx3_camera_pdata camera_pdata __initdata = {
	.flags		= MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
	.mclk_10khz	= 4800,
};

static phys_addr_t mx3_camera_base __initdata;
#define MX3_CAMERA_BUF_SIZE SZ_4M

static int __init mx31moboard_init_cam(void)
{
	int dma, ret = -ENOMEM;
	struct platform_device *pdev;

	imx31_add_ipu_core(&mx3_ipu_data);

	pdev = imx31_alloc_mx3_camera(&camera_pdata);
	if (IS_ERR(pdev))
		return PTR_ERR(pdev);

	dma = dma_declare_coherent_memory(&pdev->dev,
					mx3_camera_base, mx3_camera_base,
					MX3_CAMERA_BUF_SIZE,
					DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
	if (!(dma & DMA_MEMORY_MAP))
		goto err;

	ret = platform_device_add(pdev);
	if (ret)
err:
		platform_device_put(pdev);

	return ret;

}

static void mx31moboard_poweroff(void)
{
	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);

	if (!IS_ERR(clk))
		clk_enable(clk);

	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);

	__raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
}

static int mx31moboard_baseboard;
core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);

/*
 * Board specific initialization.
 */
static void __init mx31moboard_init(void)
{
	imx31_soc_init();

	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
		"moboard");

	platform_add_devices(devices, ARRAY_SIZE(devices));
	gpio_led_register_device(-1, &mx31moboard_led_pdata);

	imx31_add_imx_uart0(&uart0_pdata);
	imx31_add_imx_uart4(&uart4_pdata);

	imx31_add_imx_i2c0(&moboard_i2c0_data);
	imx31_add_imx_i2c1(&moboard_i2c1_data);

	imx31_add_spi_imx1(&moboard_spi1_pdata);
	imx31_add_spi_imx2(&moboard_spi2_pdata);

	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
	spi_register_board_info(moboard_spi_board_info,
		ARRAY_SIZE(moboard_spi_board_info));

	imx31_add_mxc_mmc(0, &sdhc1_pdata);

	mx31moboard_init_cam();

	usb_xcvr_reset();

	moboard_usbh2_init();

	pm_power_off = mx31moboard_poweroff;

	switch (mx31moboard_baseboard) {
	case MX31NOBOARD:
		break;
	case MX31DEVBOARD:
		mx31moboard_devboard_init();
		break;
	case MX31MARXBOT:
		mx31moboard_marxbot_init();
		break;
	case MX31SMARTBOT:
	case MX31EYEBOT:
		mx31moboard_smartbot_init(mx31moboard_baseboard);
		break;
	default:
		printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
			mx31moboard_baseboard);
	}
}

static void __init mx31moboard_timer_init(void)
{
	mx31_clocks_init(26000000);
}

struct sys_timer mx31moboard_timer = {
	.init	= mx31moboard_timer_init,
};

static void __init mx31moboard_reserve(void)
{
	/* reserve 4 MiB for mx3-camera */
	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
			MX3_CAMERA_BUF_SIZE);
}

MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
	/* Maintainer: Philippe Retornaz, EPFL Mobots group */
	.atag_offset = 0x100,
	.reserve = mx31moboard_reserve,
	.map_io = mx31_map_io,
	.init_early = imx31_init_early,
	.init_irq = mx31_init_irq,
	.handle_irq = imx31_handle_irq,
	.timer = &mx31moboard_timer,
	.init_machine = mx31moboard_init,
	.restart	= mxc_restart,
MACHINE_END
Commit	Line	Data
988d2d49 VL	1	/*
	2	* Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
988d2d49 VL	13	*/
988d2d49 VL	14
b23f1534	15	#include <linux/delay.h>
04ea3c80	16	#include <linux/dma-mapping.h>
5a0e3ad6	17	#include <linux/gfp.h>
45b131a7	18	#include <linux/gpio.h>
988d2d49	19	#include <linux/init.h>
45b131a7	20	#include <linux/interrupt.h>
9e907416	21	#include <linux/moduleparam.h>
77aa561d	22	#include <linux/leds.h>
220bbcea	23	#include <linux/memory.h>
988d2d49 VL	24	#include <linux/mtd/physmap.h>
988d2d49 VL	25	#include <linux/mtd/partitions.h>
220bbcea	26	#include <linux/platform_device.h>
65da9791 VL	27	#include <linux/regulator/machine.h>
	28	#include <linux/mfd/mc13783.h>
	29	#include <linux/spi/spi.h>
220bbcea	30	#include <linux/types.h>
031e9127	31	#include <linux/memblock.h>
40d97b89 PR	32	#include <linux/clk.h>
	33	#include <linux/io.h>
	34	#include <linux/err.h>
1f08c112	35	#include <linux/input.h>
988d2d49	36
d67d1075 VL	37	#include <linux/usb/otg.h>
	38	#include <linux/usb/ulpi.h>
	39
988d2d49 VL	40	#include <asm/mach-types.h>
	41	#include <asm/mach/arch.h>
	42	#include <asm/mach/time.h>
	43	#include <asm/mach/map.h>
716a3dc2	44	#include <asm/memblock.h>
220bbcea	45	#include <mach/board-mx31moboard.h>
988d2d49	46	#include <mach/common.h>
220bbcea	47	#include <mach/hardware.h>
988d2d49	48	#include <mach/iomux-mx3.h>
d67d1075	49	#include <mach/ulpi.h>
988d2d49	50
4a9b8b0b	51	#include "devices-imx31.h"
988d2d49	52
220bbcea VL	53	static unsigned int moboard_pins[] = {
220bbcea VL	54	/* UART0 */
220bbcea	55	MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
421bf82e	56	MX31_PIN_CTS1__GPIO2_7,
220bbcea VL	57	/* UART4 */
	58	MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
	59	MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
56c7a45b VL	60	/* I2C0 */
	61	MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
	62	/* I2C1 */
	63	MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
	64	/* SDHC1 */
	65	MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
	66	MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
	67	MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
	68	MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
b23f1534 VL	69	/* USB reset */
b23f1534 VL	70	MX31_PIN_GPIO1_0__GPIO1_0,
88b05647 VL	71	/* USB OTG */
	72	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	73	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	74	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	75	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	76	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	77	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	78	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	79	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	80	MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	81	MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
	82	MX31_PIN_USB_OC__GPIO1_30,
d67d1075 VL	83	/* USB H2 */
	84	MX31_PIN_USBH2_DATA0__USBH2_DATA0,
	85	MX31_PIN_USBH2_DATA1__USBH2_DATA1,
	86	MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
	87	MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
	88	MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
	89	MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
	90	MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
	91	MX31_PIN_SCK6__GPIO1_25,
77aa561d VL	92	/* LEDs */
	93	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
	94	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
65da9791 VL	95	/* SPI1 */
	96	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
	97	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
	98	MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
	99	/* Atlas IRQ */
	100	MX31_PIN_GPIO1_3__GPIO1_3,
	101	/* SPI2 */
	102	MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
	103	MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
	104	MX31_PIN_CSPI2_SS1__CSPI3_SS1,
220bbcea VL	105	};
220bbcea VL	106
988d2d49	107	static struct physmap_flash_data mx31moboard_flash_data = {
27ad4bf7	108	.width = 2,
988d2d49 VL	109	};
	110
	111	static struct resource mx31moboard_flash_resource = {
	112	.start = 0xa0000000,
	113	.end = 0xa1ffffff,
	114	.flags = IORESOURCE_MEM,
	115	};
	116
	117	static struct platform_device mx31moboard_flash = {
	118	.name = "physmap-flash",
	119	.id = 0,
	120	.dev = {
	121	.platform_data = &mx31moboard_flash_data,
	122	},
	123	.resource = &mx31moboard_flash_resource,
	124	.num_resources = 1,
	125	};
	126
421bf82e VL	127	static int moboard_uart0_init(struct platform_device *pdev)
421bf82e VL	128	{
5109a459 UKK	129	int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
	130	if (ret)
	131	return ret;
	132
	133	ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
	134	if (ret)
	135	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
	136
	137	return ret;
	138	}
	139
	140	static void moboard_uart0_exit(struct platform_device *pdev)
	141	{
	142	gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
421bf82e VL	143	}
421bf82e VL	144
16cf5c41	145	static const struct imxuart_platform_data uart0_pdata __initconst = {
421bf82e	146	.init = moboard_uart0_init,
5109a459	147	.exit = moboard_uart0_exit,
421bf82e VL	148	};
421bf82e VL	149
16cf5c41	150	static const struct imxuart_platform_data uart4_pdata __initconst = {
988d2d49 VL	151	.flags = IMXUART_HAVE_RTSCTS,
	152	};
	153
4a9b8b0b	154	static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
4ec6ecc7 VL	155	.bitrate = 400000,
	156	};
	157
4a9b8b0b	158	static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
4ec6ecc7 VL	159	.bitrate = 100000,
	160	};
	161
65da9791 VL	162	static int moboard_spi1_cs[] = {
	163	MXC_SPI_CS(0),
	164	MXC_SPI_CS(2),
	165	};
	166
06606ff1	167	static const struct spi_imx_master moboard_spi1_pdata __initconst = {
65da9791 VL	168	.chipselect = moboard_spi1_cs,
	169	.num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
	170	};
	171
	172	static struct regulator_consumer_supply sdhc_consumers[] = {
	173	{
6a697e3d	174	.dev_name = "mxc-mmc.0",
65da9791 VL	175	.supply = "sdhc0_vcc",
	176	},
	177	{
6a697e3d	178	.dev_name = "mxc-mmc.1",
65da9791 VL	179	.supply = "sdhc1_vcc",
	180	},
	181	};
	182
	183	static struct regulator_init_data sdhc_vreg_data = {
	184	.constraints = {
	185	.min_uV = 2700000,
	186	.max_uV = 3000000,
	187	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	188	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	189	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	190	REGULATOR_MODE_FAST,
	191	.always_on = 0,
	192	.boot_on = 1,
	193	},
	194	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
	195	.consumer_supplies = sdhc_consumers,
	196	};
	197
	198	static struct regulator_consumer_supply cam_consumers[] = {
	199	{
afa77ef3 UKK	200	.dev_name = "mx3_camera.0",
afa77ef3 UKK	201	.supply = "cam_vcc",
65da9791 VL	202	},
	203	};
	204
	205	static struct regulator_init_data cam_vreg_data = {
	206	.constraints = {
	207	.min_uV = 2700000,
	208	.max_uV = 3000000,
	209	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE \|
	210	REGULATOR_CHANGE_MODE \| REGULATOR_CHANGE_STATUS,
	211	.valid_modes_mask = REGULATOR_MODE_NORMAL \|
	212	REGULATOR_MODE_FAST,
	213	.always_on = 0,
	214	.boot_on = 1,
	215	},
	216	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
	217	.consumer_supplies = cam_consumers,
	218	};
	219
5836372e	220	static struct mc13xxx_regulator_init_data moboard_regulators[] = {
65da9791	221	{
57c78e35	222	.id = MC13783_REG_VMMC1,
65da9791 VL	223	.init_data = &sdhc_vreg_data,
	224	},
	225	{
57c78e35	226	.id = MC13783_REG_VCAM,
65da9791 VL	227	.init_data = &cam_vreg_data,
	228	},
	229	};
	230
d3efa4ed	231	static struct mc13xxx_led_platform_data moboard_led[] = {
a7cca8ae PR	232	{
	233	.id = MC13783_LED_R1,
	234	.name = "coreboard-led-4:red",
	235	.max_current = 2,
	236	},
	237	{
	238	.id = MC13783_LED_G1,
	239	.name = "coreboard-led-4:green",
	240	.max_current = 2,
	241	},
	242	{
	243	.id = MC13783_LED_B1,
	244	.name = "coreboard-led-4:blue",
	245	.max_current = 2,
	246	},
	247	{
	248	.id = MC13783_LED_R2,
	249	.name = "coreboard-led-5:red",
	250	.max_current = 3,
	251	},
	252	{
	253	.id = MC13783_LED_G2,
	254	.name = "coreboard-led-5:green",
	255	.max_current = 3,
	256	},
	257	{
	258	.id = MC13783_LED_B2,
	259	.name = "coreboard-led-5:blue",
	260	.max_current = 3,
	261	},
	262	};
	263
d3efa4ed	264	static struct mc13xxx_leds_platform_data moboard_leds = {
a7cca8ae PR	265	.num_leds = ARRAY_SIZE(moboard_led),
	266	.led = moboard_led,
	267	.flags = MC13783_LED_SLEWLIMTC,
	268	.abmode = MC13783_LED_AB_DISABLED,
	269	.tc1_period = MC13783_LED_PERIOD_10MS,
	270	.tc2_period = MC13783_LED_PERIOD_10MS,
	271	};
	272
d3efa4ed	273	static struct mc13xxx_buttons_platform_data moboard_buttons = {
1f08c112 PR	274	.b1on_flags = MC13783_BUTTON_DBNC_750MS \| MC13783_BUTTON_ENABLE \|
	275	MC13783_BUTTON_POL_INVERT,
	276	.b1on_key = KEY_POWER,
	277	};
	278
5836372e	279	static struct mc13xxx_platform_data moboard_pmic = {
4ec1b54c AS	280	.regulators = {
	281	.regulators = moboard_regulators,
	282	.num_regulators = ARRAY_SIZE(moboard_regulators),
	283	},
a7cca8ae	284	.leds = &moboard_leds,
1f08c112	285	.buttons = &moboard_buttons,
46621ebb	286	.flags = MC13XXX_USE_RTC \| MC13XXX_USE_ADC,
65da9791 VL	287	};
	288
	289	static struct spi_board_info moboard_spi_board_info[] __initdata = {
	290	{
	291	.modalias = "mc13783",
	292	.irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
	293	.max_speed_hz = 300000,
	294	.bus_num = 1,
	295	.chip_select = 0,
	296	.platform_data = &moboard_pmic,
	297	.mode = SPI_CS_HIGH,
	298	},
65da9791 VL	299	};
	300
	301	static int moboard_spi2_cs[] = {
	302	MXC_SPI_CS(1),
	303	};
	304
06606ff1	305	static const struct spi_imx_master moboard_spi2_pdata __initconst = {
65da9791 VL	306	.chipselect = moboard_spi2_cs,
	307	.num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
	308	};
	309
45b131a7 VL	310	#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
	311	#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
	312
	313	static int moboard_sdhc1_get_ro(struct device *dev)
	314	{
563abb4b	315	return !gpio_get_value(SDHC1_WP);
45b131a7 VL	316	}
	317
	318	static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
	319	void *data)
	320	{
4f163eb8 SH	321	int ret;
	322
	323	ret = gpio_request(SDHC1_CD, "sdhc-detect");
	324	if (ret)
	325	return ret;
	326
	327	gpio_direction_input(SDHC1_CD);
	328
	329	ret = gpio_request(SDHC1_WP, "sdhc-wp");
	330	if (ret)
	331	goto err_gpio_free;
	332	gpio_direction_input(SDHC1_WP);
	333
	334	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
45b131a7 VL	335	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
45b131a7 VL	336	"sdhc1-card-detect", data);
4f163eb8 SH	337	if (ret)
	338	goto err_gpio_free_2;
	339
	340	return 0;
	341
	342	err_gpio_free_2:
	343	gpio_free(SDHC1_WP);
	344	err_gpio_free:
	345	gpio_free(SDHC1_CD);
	346
	347	return ret;
45b131a7 VL	348	}
	349
	350	static void moboard_sdhc1_exit(struct device dev, void data)
	351	{
	352	free_irq(gpio_to_irq(SDHC1_CD), data);
4f163eb8 SH	353	gpio_free(SDHC1_WP);
4f163eb8 SH	354	gpio_free(SDHC1_CD);
45b131a7 VL	355	}
45b131a7 VL	356
6a697e3d	357	static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
45b131a7 VL	358	.get_ro = moboard_sdhc1_get_ro,
	359	.init = moboard_sdhc1_init,
	360	.exit = moboard_sdhc1_exit,
	361	};
	362
b23f1534 VL	363	/*
	364	* this pin is dedicated for all mx31moboard systems, so we do it here
	365	*/
	366	#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
88b05647	367	#define USB_PAD_CFG (PAD_CTL_DRV_MAX \| PAD_CTL_SRE_FAST \| PAD_CTL_HYS_CMOS \| \
25783602	368	PAD_CTL_ODE_CMOS)
88b05647 VL	369
88b05647 VL	370	#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
25783602	371	#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
88b05647	372
25783602	373	static void usb_xcvr_reset(void)
88b05647	374	{
25783602 PR	375	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	376	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	377	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG \| PAD_CTL_100K_PD);
	378	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	379	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG \| PAD_CTL_100K_PD);
	380	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG \| PAD_CTL_100K_PD);
	381	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	382	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG \| PAD_CTL_100K_PD);
	383	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	384	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	385	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	386	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	387
	388	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
	389	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG \| PAD_CTL_100K_PU);
	390	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG \| PAD_CTL_100K_PU);
	391	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG \| PAD_CTL_100K_PU);
	392	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG \| PAD_CTL_100K_PU);
	393	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG \| PAD_CTL_100K_PD);
	394	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG \| PAD_CTL_100K_PD);
	395	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	396	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG \| PAD_CTL_100K_PD);
	397	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	398	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	399	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
	400	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG \| PAD_CTL_100K_PD);
88b05647 VL	401
	402	gpio_request(OTG_EN_B, "usb-udc-en");
	403	gpio_direction_output(OTG_EN_B, 0);
25783602 PR	404	gpio_request(USBH2_EN_B, "usbh2-en");
	405	gpio_direction_output(USBH2_EN_B, 0);
	406
	407	gpio_request(USB_RESET_B, "usb-reset");
	408	gpio_direction_output(USB_RESET_B, 0);
	409	mdelay(1);
	410	gpio_set_value(USB_RESET_B, 1);
	411	mdelay(1);
88b05647 VL	412	}
88b05647 VL	413
4bd597b6 SH	414	static int moboard_usbh2_init_hw(struct platform_device *pdev)
	415	{
	416	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
	417	}
f9ffaa9c	418
2d58de28	419	static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
4bd597b6	420	.init = moboard_usbh2_init_hw,
d67d1075	421	.portsc = MXC_EHCI_MODE_ULPI \| MXC_EHCI_UTMI_8BIT,
d67d1075 VL	422	};
	423
	424	static int __init moboard_usbh2_init(void)
	425	{
2d58de28 UKK	426	struct platform_device *pdev;
2d58de28 UKK	427
48f6b099 SH	428	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS \|
	429	ULPI_OTG_DRVVBUS_EXT);
	430	if (!usbh2_pdata.otg)
	431	return -ENODEV;
d67d1075	432
2d58de28 UKK	433	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
	434	if (IS_ERR(pdev))
	435	return PTR_ERR(pdev);
	436
	437	return 0;
d67d1075	438	}
d67d1075	439
47e837b5	440	static const struct gpio_led mx31moboard_leds[] __initconst = {
77aa561d	441	{
27ad4bf7	442	.name = "coreboard-led-0:red:running",
77aa561d	443	.default_trigger = "heartbeat",
27ad4bf7	444	.gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
77aa561d VL	445	}, {
	446	.name = "coreboard-led-1:red",
	447	.gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
	448	}, {
	449	.name = "coreboard-led-2:red",
	450	.gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
	451	}, {
	452	.name = "coreboard-led-3:red",
	453	.gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
	454	},
	455	};
	456
47e837b5	457	static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
27ad4bf7	458	.num_leds = ARRAY_SIZE(mx31moboard_leds),
77aa561d VL	459	.leds = mx31moboard_leds,
	460	};
	461
afa77ef3	462	static const struct ipu_platform_data mx3_ipu_data __initconst = {
4dd71293 VL	463	.irq_base = MXC_IPU_IRQ_START,
	464	};
	465
988d2d49 VL	466	static struct platform_device *devices[] __initdata = {
	467	&mx31moboard_flash,
	468	};
	469
afa77ef3	470	static struct mx3_camera_pdata camera_pdata __initdata = {
04ea3c80 VL	471	.flags = MX3_CAMERA_DATAWIDTH_8 \| MX3_CAMERA_DATAWIDTH_10,
	472	.mclk_10khz = 4800,
	473	};
	474
031e9127 UKK	475	static phys_addr_t mx3_camera_base __initdata;
031e9127 UKK	476	#define MX3_CAMERA_BUF_SIZE SZ_4M
04ea3c80	477
afa77ef3	478	static int __init mx31moboard_init_cam(void)
04ea3c80	479	{
afa77ef3 UKK	480	int dma, ret = -ENOMEM;
	481	struct platform_device *pdev;
	482
	483	imx31_add_ipu_core(&mx3_ipu_data);
04ea3c80	484
afa77ef3 UKK	485	pdev = imx31_alloc_mx3_camera(&camera_pdata);
	486	if (IS_ERR(pdev))
	487	return PTR_ERR(pdev);
04ea3c80	488
afa77ef3	489	dma = dma_declare_coherent_memory(&pdev->dev,
031e9127 UKK	490	mx3_camera_base, mx3_camera_base,
031e9127 UKK	491	MX3_CAMERA_BUF_SIZE,
04ea3c80	492	DMA_MEMORY_MAP \| DMA_MEMORY_EXCLUSIVE);
afa77ef3 UKK	493	if (!(dma & DMA_MEMORY_MAP))
	494	goto err;
	495
	496	ret = platform_device_add(pdev);
	497	if (ret)
	498	err:
	499	platform_device_put(pdev);
	500
	501	return ret;
04ea3c80	502
04ea3c80 VL	503	}
04ea3c80 VL	504
40d97b89 PR	505	static void mx31moboard_poweroff(void)
	506	{
	507	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
	508
	509	if (!IS_ERR(clk))
	510	clk_enable(clk);
	511
	512	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
	513
	514	__raw_writew(1 << 6 \| 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
	515	}
	516
e00f0b4a VL	517	static int mx31moboard_baseboard;
	518	core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
	519
988d2d49 VL	520	/*
	521	* Board specific initialization.
	522	*/
e134fb2b	523	static void __init mx31moboard_init(void)
988d2d49	524	{
b78d8e59 SG	525	imx31_soc_init();
b78d8e59 SG	526
220bbcea VL	527	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
	528	"moboard");
	529
988d2d49	530	platform_add_devices(devices, ARRAY_SIZE(devices));
47e837b5	531	gpio_led_register_device(-1, &mx31moboard_led_pdata);
988d2d49	532
16cf5c41 UKK	533	imx31_add_imx_uart0(&uart0_pdata);
16cf5c41 UKK	534	imx31_add_imx_uart4(&uart4_pdata);
e00f0b4a	535
4a9b8b0b UKK	536	imx31_add_imx_i2c0(&moboard_i2c0_data);
4a9b8b0b UKK	537	imx31_add_imx_i2c1(&moboard_i2c1_data);
4ec6ecc7	538
06606ff1 UKK	539	imx31_add_spi_imx1(&moboard_spi1_pdata);
06606ff1 UKK	540	imx31_add_spi_imx2(&moboard_spi2_pdata);
65da9791 VL	541
	542	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
	543	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
	544	spi_register_board_info(moboard_spi_board_info,
	545	ARRAY_SIZE(moboard_spi_board_info));
	546
6a697e3d	547	imx31_add_mxc_mmc(0, &sdhc1_pdata);
45b131a7	548
afa77ef3	549	mx31moboard_init_cam();
4dd71293	550
b23f1534 VL	551	usb_xcvr_reset();
b23f1534 VL	552
d67d1075	553	moboard_usbh2_init();
88b05647	554
40d97b89 PR	555	pm_power_off = mx31moboard_poweroff;
40d97b89 PR	556
e00f0b4a VL	557	switch (mx31moboard_baseboard) {
	558	case MX31NOBOARD:
	559	break;
	560	case MX31DEVBOARD:
	561	mx31moboard_devboard_init();
	562	break;
	563	case MX31MARXBOT:
	564	mx31moboard_marxbot_init();
	565	break;
e335c75c	566	case MX31SMARTBOT:
3a47b1a4 PR	567	case MX31EYEBOT:
3a47b1a4 PR	568	mx31moboard_smartbot_init(mx31moboard_baseboard);
e335c75c	569	break;
e00f0b4a	570	default:
220bbcea VL	571	printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
220bbcea VL	572	mx31moboard_baseboard);
e00f0b4a	573	}
988d2d49 VL	574	}
988d2d49 VL	575
988d2d49 VL	576	static void __init mx31moboard_timer_init(void)
988d2d49 VL	577	{
30c730f8	578	mx31_clocks_init(26000000);
988d2d49 VL	579	}
	580
	581	struct sys_timer mx31moboard_timer = {
	582	.init = mx31moboard_timer_init,
	583	};
	584
031e9127 UKK	585	static void __init mx31moboard_reserve(void)
	586	{
	587	/* reserve 4 MiB for mx3-camera */
716a3dc2	588	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
031e9127	589	MX3_CAMERA_BUF_SIZE);
031e9127 UKK	590	}
031e9127 UKK	591
988d2d49	592	MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
0fbe6b07	593	/* Maintainer: Philippe Retornaz, EPFL Mobots group */
dc8f1907	594	.atag_offset = 0x100,
031e9127	595	.reserve = mx31moboard_reserve,
97976e22 UKK	596	.map_io = mx31_map_io,
	597	.init_early = imx31_init_early,
	598	.init_irq = mx31_init_irq,
ffa2ea3f	599	.handle_irq = imx31_handle_irq,
97976e22	600	.timer = &mx31moboard_timer,
e134fb2b	601	.init_machine = mx31moboard_init,
65ea7884	602	.restart = mxc_restart,
988d2d49	603	MACHINE_END