[deliverable/linux.git] / arch / arm / mach-mx5 / board-cpuimx51sd.c

/*
 *
 * Copyright (C) 2010 Eric Bénard <eric@eukrea.com>
 *
 * based on board-mx51_babbage.c which is
 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
 * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/i2c/tsc2007.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/i2c-gpio.h>
#include <linux/spi/spi.h>
#include <linux/can/platform/mcp251x.h>

#include <mach/eukrea-baseboards.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx51.h>

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

#include "devices-imx51.h"
#include "devices.h"
#include "cpu_op-mx51.h"

#define USBH1_RST		IMX_GPIO_NR(2, 28)
#define ETH_RST			IMX_GPIO_NR(2, 31)
#define TSC2007_IRQGPIO		IMX_GPIO_NR(3, 12)
#define CAN_IRQGPIO		IMX_GPIO_NR(1, 1)
#define CAN_RST			IMX_GPIO_NR(4, 15)
#define CAN_NCS			IMX_GPIO_NR(4, 24)
#define CAN_RXOBF		IMX_GPIO_NR(1, 4)
#define CAN_RX1BF		IMX_GPIO_NR(1, 6)
#define CAN_TXORTS		IMX_GPIO_NR(1, 7)
#define CAN_TX1RTS		IMX_GPIO_NR(1, 8)
#define CAN_TX2RTS		IMX_GPIO_NR(1, 9)
#define I2C_SCL			IMX_GPIO_NR(4, 16)
#define I2C_SDA			IMX_GPIO_NR(4, 17)

/* USB_CTRL_1 */
#define MX51_USB_CTRL_1_OFFSET		0x10
#define MX51_USB_CTRL_UH1_EXT_CLK_EN	(1 << 25)

#define	MX51_USB_PLLDIV_12_MHZ		0x00
#define	MX51_USB_PLL_DIV_19_2_MHZ	0x01
#define	MX51_USB_PLL_DIV_24_MHZ		0x02

static iomux_v3_cfg_t eukrea_cpuimx51sd_pads[] = {
	/* UART1 */
	MX51_PAD_UART1_RXD__UART1_RXD,
	MX51_PAD_UART1_TXD__UART1_TXD,
	MX51_PAD_UART1_RTS__UART1_RTS,
	MX51_PAD_UART1_CTS__UART1_CTS,

	/* USB HOST1 */
	MX51_PAD_USBH1_CLK__USBH1_CLK,
	MX51_PAD_USBH1_DIR__USBH1_DIR,
	MX51_PAD_USBH1_NXT__USBH1_NXT,
	MX51_PAD_USBH1_DATA0__USBH1_DATA0,
	MX51_PAD_USBH1_DATA1__USBH1_DATA1,
	MX51_PAD_USBH1_DATA2__USBH1_DATA2,
	MX51_PAD_USBH1_DATA3__USBH1_DATA3,
	MX51_PAD_USBH1_DATA4__USBH1_DATA4,
	MX51_PAD_USBH1_DATA5__USBH1_DATA5,
	MX51_PAD_USBH1_DATA6__USBH1_DATA6,
	MX51_PAD_USBH1_DATA7__USBH1_DATA7,
	MX51_PAD_USBH1_STP__USBH1_STP,
	MX51_PAD_EIM_CS3__GPIO2_28,		/* PHY nRESET */

	/* FEC */
	MX51_PAD_EIM_DTACK__GPIO2_31,		/* PHY nRESET */

	/* HSI2C */
	MX51_PAD_I2C1_CLK__GPIO4_16,
	MX51_PAD_I2C1_DAT__GPIO4_17,

	/* CAN */
	MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
	MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
	MX51_PAD_CSPI1_SS0__GPIO4_24,		/* nCS */
	MX51_PAD_CSI2_PIXCLK__GPIO4_15,		/* nReset */
	MX51_PAD_GPIO1_1__GPIO1_1,		/* IRQ */
	MX51_PAD_GPIO1_4__GPIO1_4,		/* Control signals */
	MX51_PAD_GPIO1_6__GPIO1_6,
	MX51_PAD_GPIO1_7__GPIO1_7,
	MX51_PAD_GPIO1_8__GPIO1_8,
	MX51_PAD_GPIO1_9__GPIO1_9,

	/* Touchscreen */
	/* IRQ */
	_MX51_PAD_GPIO_NAND__GPIO_NAND | MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP |
			PAD_CTL_PKE | PAD_CTL_SRE_FAST |
			PAD_CTL_DSE_HIGH | PAD_CTL_PUE | PAD_CTL_HYS),
};

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

static struct tsc2007_platform_data tsc2007_info = {
	.model			= 2007,
	.x_plate_ohms		= 180,
};

static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = {
	{
		I2C_BOARD_INFO("pcf8563", 0x51),
	}, {
		I2C_BOARD_INFO("tsc2007", 0x49),
		.type		= "tsc2007",
		.platform_data	= &tsc2007_info,
		.irq		= gpio_to_irq(TSC2007_IRQGPIO),
	},
};

static const struct mxc_nand_platform_data
		eukrea_cpuimx51sd_nand_board_info __initconst = {
	.width		= 1,
	.hw_ecc		= 1,
	.flash_bbt	= 1,
};

/* This function is board specific as the bit mask for the plldiv will also
be different for other Freescale SoCs, thus a common bitmask is not
possible and cannot get place in /plat-mxc/ehci.c.*/
static int initialize_otg_port(struct platform_device *pdev)
{
	u32 v;
	void __iomem *usb_base;
	void __iomem *usbother_base;

	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
	if (!usb_base)
		return -ENOMEM;
	usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;

	/* Set the PHY clock to 19.2MHz */
	v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
	v |= MX51_USB_PLL_DIV_19_2_MHZ;
	__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	iounmap(usb_base);

	mdelay(10);

	return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY);
}

static int initialize_usbh1_port(struct platform_device *pdev)
{
	u32 v;
	void __iomem *usb_base;
	void __iomem *usbother_base;

	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
	if (!usb_base)
		return -ENOMEM;
	usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;

	/* The clock for the USBH1 ULPI port will come from the PHY. */
	v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
	__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN,
			usbother_base + MX51_USB_CTRL_1_OFFSET);
	iounmap(usb_base);

	mdelay(10);

	return mx51_initialize_usb_hw(1, MXC_EHCI_POWER_PINS_ENABLED |
			MXC_EHCI_ITC_NO_THRESHOLD);
}

static struct mxc_usbh_platform_data dr_utmi_config = {
	.init		= initialize_otg_port,
	.portsc	= MXC_EHCI_UTMI_16BIT,
};

static struct fsl_usb2_platform_data usb_pdata = {
	.operating_mode	= FSL_USB2_DR_DEVICE,
	.phy_mode	= FSL_USB2_PHY_UTMI_WIDE,
};

static struct mxc_usbh_platform_data usbh1_config = {
	.init		= initialize_usbh1_port,
	.portsc	= MXC_EHCI_MODE_ULPI,
};

static int otg_mode_host;

static int __init eukrea_cpuimx51sd_otg_mode(char *options)
{
	if (!strcmp(options, "host"))
		otg_mode_host = 1;
	else if (!strcmp(options, "device"))
		otg_mode_host = 0;
	else
		pr_info("otg_mode neither \"host\" nor \"device\". "
			"Defaulting to device\n");
	return 0;
}
__setup("otg_mode=", eukrea_cpuimx51sd_otg_mode);

static struct i2c_gpio_platform_data pdata = {
	.sda_pin		= I2C_SDA,
	.sda_is_open_drain	= 0,
	.scl_pin		= I2C_SCL,
	.scl_is_open_drain	= 0,
	.udelay			= 2,
};

static struct platform_device hsi2c_gpio_device = {
	.name			= "i2c-gpio",
	.id			= 0,
	.dev.platform_data	= &pdata,
};

static struct mcp251x_platform_data mcp251x_info = {
	.oscillator_frequency = 24E6,
};

static struct spi_board_info cpuimx51sd_spi_device[] = {
	{
		.modalias        = "mcp2515",
		.max_speed_hz    = 10000000,
		.bus_num         = 0,
		.mode		= SPI_MODE_0,
		.chip_select     = 0,
		.platform_data   = &mcp251x_info,
		.irq             = gpio_to_irq(CAN_IRQGPIO)
	},
};

static int cpuimx51sd_spi1_cs[] = {
	CAN_NCS,
};

static const struct spi_imx_master cpuimx51sd_ecspi1_pdata __initconst = {
	.chipselect	= cpuimx51sd_spi1_cs,
	.num_chipselect	= ARRAY_SIZE(cpuimx51sd_spi1_cs),
};

static struct platform_device *platform_devices[] __initdata = {
	&hsi2c_gpio_device,
};

static void __init eukrea_cpuimx51sd_init(void)
{
	imx51_soc_init();

	mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads,
					ARRAY_SIZE(eukrea_cpuimx51sd_pads));

#if defined(CONFIG_CPU_FREQ_IMX)
	get_cpu_op = mx51_get_cpu_op;
#endif

	imx51_add_imx_uart(0, &uart_pdata);
	imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info);

	gpio_request(ETH_RST, "eth_rst");
	gpio_set_value(ETH_RST, 1);
	imx51_add_fec(NULL);

	gpio_request(CAN_IRQGPIO, "can_irq");
	gpio_direction_input(CAN_IRQGPIO);
	gpio_free(CAN_IRQGPIO);
	gpio_request(CAN_NCS, "can_ncs");
	gpio_direction_output(CAN_NCS, 1);
	gpio_free(CAN_NCS);
	gpio_request(CAN_RST, "can_rst");
	gpio_direction_output(CAN_RST, 0);
	msleep(20);
	gpio_set_value(CAN_RST, 1);
	imx51_add_ecspi(0, &cpuimx51sd_ecspi1_pdata);
	spi_register_board_info(cpuimx51sd_spi_device,
				ARRAY_SIZE(cpuimx51sd_spi_device));

	gpio_request(TSC2007_IRQGPIO, "tsc2007_irq");
	gpio_direction_input(TSC2007_IRQGPIO);
	gpio_free(TSC2007_IRQGPIO);

	i2c_register_board_info(0, eukrea_cpuimx51sd_i2c_devices,
			ARRAY_SIZE(eukrea_cpuimx51sd_i2c_devices));
	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));

	if (otg_mode_host)
		mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
	else {
		initialize_otg_port(NULL);
		mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata);
	}

	gpio_request(USBH1_RST, "usb_rst");
	gpio_direction_output(USBH1_RST, 0);
	msleep(20);
	gpio_set_value(USBH1_RST, 1);
	mxc_register_device(&mxc_usbh1_device, &usbh1_config);

#ifdef CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD
	eukrea_mbimxsd51_baseboard_init();
#endif
}

static void __init eukrea_cpuimx51sd_timer_init(void)
{
	mx51_clocks_init(32768, 24000000, 22579200, 0);
}

static struct sys_timer mxc_timer = {
	.init	= eukrea_cpuimx51sd_timer_init,
};

MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD")
	/* Maintainer: Eric Bénard <eric@eukrea.com> */
	.atag_offset = 0x100,
	.map_io = mx51_map_io,
	.init_early = imx51_init_early,
	.init_irq = mx51_init_irq,
	.timer = &mxc_timer,
	.init_machine = eukrea_cpuimx51sd_init,
MACHINE_END
Commit	Line	Data
70b17268 EB	1	/*
	2	*
	3	* Copyright (C) 2010 Eric Bénard <eric@eukrea.com>
	4	*
	5	* based on board-mx51_babbage.c which is
	6	* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
	7	* Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
	8	*
	9	* The code contained herein is licensed under the GNU General Public
	10	* License. You may obtain a copy of the GNU General Public License
	11	* Version 2 or later at the following locations:
	12	*
	13	* http://www.opensource.org/licenses/gpl-license.html
	14	* http://www.gnu.org/copyleft/gpl.html
	15	*/
	16
	17	#include <linux/init.h>
	18	#include <linux/platform_device.h>
	19	#include <linux/i2c.h>
	20	#include <linux/i2c/tsc2007.h>
	21	#include <linux/gpio.h>
	22	#include <linux/delay.h>
	23	#include <linux/io.h>
	24	#include <linux/interrupt.h>
	25	#include <linux/irq.h>
70b17268 EB	26	#include <linux/i2c-gpio.h>
	27	#include <linux/spi/spi.h>
	28	#include <linux/can/platform/mcp251x.h>
	29
	30	#include <mach/eukrea-baseboards.h>
	31	#include <mach/common.h>
	32	#include <mach/hardware.h>
	33	#include <mach/iomux-mx51.h>
70b17268 EB	34
	35	#include <asm/irq.h>
	36	#include <asm/setup.h>
	37	#include <asm/mach-types.h>
	38	#include <asm/mach/arch.h>
	39	#include <asm/mach/time.h>
	40
	41	#include "devices-imx51.h"
	42	#include "devices.h"
b1372146	43	#include "cpu_op-mx51.h"
70b17268	44
96886c43 APR	45	#define USBH1_RST IMX_GPIO_NR(2, 28)
	46	#define ETH_RST IMX_GPIO_NR(2, 31)
	47	#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 12)
	48	#define CAN_IRQGPIO IMX_GPIO_NR(1, 1)
	49	#define CAN_RST IMX_GPIO_NR(4, 15)
	50	#define CAN_NCS IMX_GPIO_NR(4, 24)
	51	#define CAN_RXOBF IMX_GPIO_NR(1, 4)
	52	#define CAN_RX1BF IMX_GPIO_NR(1, 6)
	53	#define CAN_TXORTS IMX_GPIO_NR(1, 7)
	54	#define CAN_TX1RTS IMX_GPIO_NR(1, 8)
	55	#define CAN_TX2RTS IMX_GPIO_NR(1, 9)
	56	#define I2C_SCL IMX_GPIO_NR(4, 16)
	57	#define I2C_SDA IMX_GPIO_NR(4, 17)
70b17268 EB	58
	59	/* USB_CTRL_1 */
	60	#define MX51_USB_CTRL_1_OFFSET 0x10
	61	#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
	62
	63	#define MX51_USB_PLLDIV_12_MHZ 0x00
	64	#define MX51_USB_PLL_DIV_19_2_MHZ 0x01
	65	#define MX51_USB_PLL_DIV_24_MHZ 0x02
	66
8f5260c8	67	static iomux_v3_cfg_t eukrea_cpuimx51sd_pads[] = {
70b17268 EB	68	/* UART1 */
	69	MX51_PAD_UART1_RXD__UART1_RXD,
	70	MX51_PAD_UART1_TXD__UART1_TXD,
	71	MX51_PAD_UART1_RTS__UART1_RTS,
	72	MX51_PAD_UART1_CTS__UART1_CTS,
	73
	74	/* USB HOST1 */
	75	MX51_PAD_USBH1_CLK__USBH1_CLK,
	76	MX51_PAD_USBH1_DIR__USBH1_DIR,
	77	MX51_PAD_USBH1_NXT__USBH1_NXT,
	78	MX51_PAD_USBH1_DATA0__USBH1_DATA0,
	79	MX51_PAD_USBH1_DATA1__USBH1_DATA1,
	80	MX51_PAD_USBH1_DATA2__USBH1_DATA2,
	81	MX51_PAD_USBH1_DATA3__USBH1_DATA3,
	82	MX51_PAD_USBH1_DATA4__USBH1_DATA4,
	83	MX51_PAD_USBH1_DATA5__USBH1_DATA5,
	84	MX51_PAD_USBH1_DATA6__USBH1_DATA6,
	85	MX51_PAD_USBH1_DATA7__USBH1_DATA7,
	86	MX51_PAD_USBH1_STP__USBH1_STP,
ee1ae4d7	87	MX51_PAD_EIM_CS3__GPIO2_28, /* PHY nRESET */
70b17268 EB	88
70b17268 EB	89	/* FEC */
ee1ae4d7	90	MX51_PAD_EIM_DTACK__GPIO2_31, /* PHY nRESET */
70b17268 EB	91
70b17268 EB	92	/* HSI2C */
ee1ae4d7 SH	93	MX51_PAD_I2C1_CLK__GPIO4_16,
ee1ae4d7 SH	94	MX51_PAD_I2C1_DAT__GPIO4_17,
70b17268 EB	95
	96	/* CAN */
	97	MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
	98	MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
	99	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
ee1ae4d7 SH	100	MX51_PAD_CSPI1_SS0__GPIO4_24, /* nCS */
	101	MX51_PAD_CSI2_PIXCLK__GPIO4_15, /* nReset */
	102	MX51_PAD_GPIO1_1__GPIO1_1, /* IRQ */
	103	MX51_PAD_GPIO1_4__GPIO1_4, /* Control signals */
	104	MX51_PAD_GPIO1_6__GPIO1_6,
	105	MX51_PAD_GPIO1_7__GPIO1_7,
	106	MX51_PAD_GPIO1_8__GPIO1_8,
	107	MX51_PAD_GPIO1_9__GPIO1_9,
70b17268 EB	108
70b17268 EB	109	/* Touchscreen */
ee1ae4d7	110	/* IRQ */
33d3487f	111	_MX51_PAD_GPIO_NAND__GPIO_NAND \| MUX_PAD_CTRL(PAD_CTL_PUS_22K_UP \|
ee1ae4d7 SH	112	PAD_CTL_PKE \| PAD_CTL_SRE_FAST \|
ee1ae4d7 SH	113	PAD_CTL_DSE_HIGH \| PAD_CTL_PUE \| PAD_CTL_HYS),
70b17268 EB	114	};
	115
	116	static const struct imxuart_platform_data uart_pdata __initconst = {
	117	.flags = IMXUART_HAVE_RTSCTS,
	118	};
	119
70b17268 EB	120	static struct tsc2007_platform_data tsc2007_info = {
	121	.model = 2007,
	122	.x_plate_ohms = 180,
70b17268 EB	123	};
	124
	125	static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = {
	126	{
	127	I2C_BOARD_INFO("pcf8563", 0x51),
	128	}, {
	129	I2C_BOARD_INFO("tsc2007", 0x49),
	130	.type = "tsc2007",
	131	.platform_data = &tsc2007_info,
	132	.irq = gpio_to_irq(TSC2007_IRQGPIO),
	133	},
	134	};
	135
	136	static const struct mxc_nand_platform_data
	137	eukrea_cpuimx51sd_nand_board_info __initconst = {
	138	.width = 1,
	139	.hw_ecc = 1,
	140	.flash_bbt = 1,
	141	};
	142
	143	/* This function is board specific as the bit mask for the plldiv will also
	144	be different for other Freescale SoCs, thus a common bitmask is not
	145	possible and cannot get place in /plat-mxc/ehci.c.*/
	146	static int initialize_otg_port(struct platform_device *pdev)
	147	{
	148	u32 v;
	149	void __iomem *usb_base;
	150	void __iomem *usbother_base;
	151
	152	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
28a4f908 FE	153	if (!usb_base)
28a4f908 FE	154	return -ENOMEM;
70b17268 EB	155	usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
	156
	157	/* Set the PHY clock to 19.2MHz */
	158	v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	159	v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
	160	v \|= MX51_USB_PLL_DIV_19_2_MHZ;
	161	__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
	162	iounmap(usb_base);
4bd597b6 SH	163
	164	mdelay(10);
	165
	166	return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY);
70b17268 EB	167	}
	168
	169	static int initialize_usbh1_port(struct platform_device *pdev)
	170	{
	171	u32 v;
	172	void __iomem *usb_base;
	173	void __iomem *usbother_base;
	174
	175	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
28a4f908 FE	176	if (!usb_base)
28a4f908 FE	177	return -ENOMEM;
70b17268 EB	178	usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
	179
	180	/* The clock for the USBH1 ULPI port will come from the PHY. */
	181	v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
	182	__raw_writel(v \| MX51_USB_CTRL_UH1_EXT_CLK_EN,
	183	usbother_base + MX51_USB_CTRL_1_OFFSET);
	184	iounmap(usb_base);
4bd597b6 SH	185
	186	mdelay(10);
	187
	188	return mx51_initialize_usb_hw(1, MXC_EHCI_POWER_PINS_ENABLED \|
	189	MXC_EHCI_ITC_NO_THRESHOLD);
70b17268 EB	190	}
	191
	192	static struct mxc_usbh_platform_data dr_utmi_config = {
	193	.init = initialize_otg_port,
	194	.portsc = MXC_EHCI_UTMI_16BIT,
70b17268 EB	195	};
	196
	197	static struct fsl_usb2_platform_data usb_pdata = {
	198	.operating_mode = FSL_USB2_DR_DEVICE,
	199	.phy_mode = FSL_USB2_PHY_UTMI_WIDE,
	200	};
	201
	202	static struct mxc_usbh_platform_data usbh1_config = {
	203	.init = initialize_usbh1_port,
	204	.portsc = MXC_EHCI_MODE_ULPI,
70b17268 EB	205	};
	206
	207	static int otg_mode_host;
	208
	209	static int __init eukrea_cpuimx51sd_otg_mode(char *options)
	210	{
	211	if (!strcmp(options, "host"))
	212	otg_mode_host = 1;
	213	else if (!strcmp(options, "device"))
	214	otg_mode_host = 0;
	215	else
	216	pr_info("otg_mode neither \"host\" nor \"device\". "
	217	"Defaulting to device\n");
	218	return 0;
	219	}
	220	__setup("otg_mode=", eukrea_cpuimx51sd_otg_mode);
	221
	222	static struct i2c_gpio_platform_data pdata = {
	223	.sda_pin = I2C_SDA,
	224	.sda_is_open_drain = 0,
	225	.scl_pin = I2C_SCL,
	226	.scl_is_open_drain = 0,
	227	.udelay = 2,
	228	};
	229
	230	static struct platform_device hsi2c_gpio_device = {
	231	.name = "i2c-gpio",
	232	.id = 0,
	233	.dev.platform_data = &pdata,
	234	};
	235
	236	static struct mcp251x_platform_data mcp251x_info = {
	237	.oscillator_frequency = 24E6,
	238	};
	239
	240	static struct spi_board_info cpuimx51sd_spi_device[] = {
	241	{
	242	.modalias = "mcp2515",
8c3f2d7a	243	.max_speed_hz = 10000000,
70b17268 EB	244	.bus_num = 0,
	245	.mode = SPI_MODE_0,
	246	.chip_select = 0,
	247	.platform_data = &mcp251x_info,
96886c43	248	.irq = gpio_to_irq(CAN_IRQGPIO)
70b17268 EB	249	},
	250	};
	251
	252	static int cpuimx51sd_spi1_cs[] = {
	253	CAN_NCS,
	254	};
	255
	256	static const struct spi_imx_master cpuimx51sd_ecspi1_pdata __initconst = {
	257	.chipselect = cpuimx51sd_spi1_cs,
	258	.num_chipselect = ARRAY_SIZE(cpuimx51sd_spi1_cs),
	259	};
	260
	261	static struct platform_device *platform_devices[] __initdata = {
	262	&hsi2c_gpio_device,
	263	};
	264
	265	static void __init eukrea_cpuimx51sd_init(void)
	266	{
b78d8e59 SG	267	imx51_soc_init();
b78d8e59 SG	268
70b17268 EB	269	mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads,
	270	ARRAY_SIZE(eukrea_cpuimx51sd_pads));
	271
b1372146 EB	272	#if defined(CONFIG_CPU_FREQ_IMX)
	273	get_cpu_op = mx51_get_cpu_op;
	274	#endif
	275
70b17268 EB	276	imx51_add_imx_uart(0, &uart_pdata);
	277	imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info);
	278
	279	gpio_request(ETH_RST, "eth_rst");
	280	gpio_set_value(ETH_RST, 1);
	281	imx51_add_fec(NULL);
	282
	283	gpio_request(CAN_IRQGPIO, "can_irq");
	284	gpio_direction_input(CAN_IRQGPIO);
	285	gpio_free(CAN_IRQGPIO);
	286	gpio_request(CAN_NCS, "can_ncs");
	287	gpio_direction_output(CAN_NCS, 1);
	288	gpio_free(CAN_NCS);
	289	gpio_request(CAN_RST, "can_rst");
	290	gpio_direction_output(CAN_RST, 0);
	291	msleep(20);
	292	gpio_set_value(CAN_RST, 1);
	293	imx51_add_ecspi(0, &cpuimx51sd_ecspi1_pdata);
	294	spi_register_board_info(cpuimx51sd_spi_device,
	295	ARRAY_SIZE(cpuimx51sd_spi_device));
	296
	297	gpio_request(TSC2007_IRQGPIO, "tsc2007_irq");
	298	gpio_direction_input(TSC2007_IRQGPIO);
	299	gpio_free(TSC2007_IRQGPIO);
	300
	301	i2c_register_board_info(0, eukrea_cpuimx51sd_i2c_devices,
	302	ARRAY_SIZE(eukrea_cpuimx51sd_i2c_devices));
	303	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
	304
	305	if (otg_mode_host)
	306	mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
	307	else {
	308	initialize_otg_port(NULL);
	309	mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata);
	310	}
	311
	312	gpio_request(USBH1_RST, "usb_rst");
	313	gpio_direction_output(USBH1_RST, 0);
	314	msleep(20);
	315	gpio_set_value(USBH1_RST, 1);
	316	mxc_register_device(&mxc_usbh1_device, &usbh1_config);
	317
	318	#ifdef CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD
	319	eukrea_mbimxsd51_baseboard_init();
	320	#endif
	321	}
	322
	323	static void __init eukrea_cpuimx51sd_timer_init(void)
	324	{
	325	mx51_clocks_init(32768, 24000000, 22579200, 0);
	326	}
	327
	328	static struct sys_timer mxc_timer = {
	329	.init = eukrea_cpuimx51sd_timer_init,
	330	};
	331
	332	MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD")
	333	/* Maintainer: Eric Bénard <eric@eukrea.com> */
6192935c	334	.atag_offset = 0x100,
70b17268	335	.map_io = mx51_map_io,
ab130421	336	.init_early = imx51_init_early,
70b17268	337	.init_irq = mx51_init_irq,
70b17268	338	.timer = &mxc_timer,
ab130421	339	.init_machine = eukrea_cpuimx51sd_init,
70b17268	340	MACHINE_END