[linux-2.6-block.git] / arch / arm / mach-omap2 / board-overo.c

/*
 * board-overo.c (Gumstix Overo)
 *
 * Initial code: Steve Sakoman <steve@sakoman.com>
 *
 * 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.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mmc/host.h>

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

#include <plat/board.h>
#include <plat/common.h>
#include <mach/gpio.h>
#include <plat/gpmc.h>
#include <mach/hardware.h>
#include <plat/nand.h>
#include <plat/usb.h>

#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"

#define OVERO_GPIO_BT_XGATE	15
#define OVERO_GPIO_W2W_NRESET	16
#define OVERO_GPIO_PENDOWN	114
#define OVERO_GPIO_BT_NRESET	164
#define OVERO_GPIO_USBH_CPEN	168
#define OVERO_GPIO_USBH_NRESET	183

#define NAND_BLOCK_SIZE SZ_128K

#define OVERO_SMSC911X_CS      5
#define OVERO_SMSC911X_GPIO    176
#define OVERO_SMSC911X2_CS     4
#define OVERO_SMSC911X2_GPIO   65

#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)

#include <plat/mcspi.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	.turbo_mode	= 0,
	.single_channel	= 1,	/* 0: slave, 1: master */
};

static int ads7846_get_pendown_state(void)
{
	return !gpio_get_value(OVERO_GPIO_PENDOWN);
}

static struct ads7846_platform_data ads7846_config = {
	.x_max			= 0x0fff,
	.y_max			= 0x0fff,
	.x_plate_ohms		= 180,
	.pressure_max		= 255,
	.debounce_max		= 10,
	.debounce_tol		= 3,
	.debounce_rep		= 1,
	.get_pendown_state	= ads7846_get_pendown_state,
	.keep_vref_on		= 1,
};

static struct spi_board_info overo_spi_board_info[] __initdata = {
	{
		.modalias		= "ads7846",
		.bus_num		= 1,
		.chip_select		= 0,
		.max_speed_hz		= 1500000,
		.controller_data	= &ads7846_mcspi_config,
		.irq			= OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN),
		.platform_data		= &ads7846_config,
	}
};

static void __init overo_ads7846_init(void)
{
	if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
	    (gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) {
		gpio_export(OVERO_GPIO_PENDOWN, 0);
	} else {
		printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n");
		return;
	}

	spi_register_board_info(overo_spi_board_info,
			ARRAY_SIZE(overo_spi_board_info));
}

#else
static inline void __init overo_ads7846_init(void) { return; }
#endif

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)

#include <linux/smsc911x.h>

static struct resource overo_smsc911x_resources[] = {
	{
		.name	= "smsc911x-memory",
		.flags	= IORESOURCE_MEM,
	},
	{
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct resource overo_smsc911x2_resources[] = {
	{
		.name	= "smsc911x2-memory",
		.flags	= IORESOURCE_MEM,
	},
	{
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct smsc911x_platform_config overo_smsc911x_config = {
	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.flags		= SMSC911X_USE_32BIT ,
	.phy_interface	= PHY_INTERFACE_MODE_MII,
};

static struct platform_device overo_smsc911x_device = {
	.name		= "smsc911x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(overo_smsc911x_resources),
	.resource	= overo_smsc911x_resources,
	.dev		= {
		.platform_data = &overo_smsc911x_config,
	},
};

static struct platform_device overo_smsc911x2_device = {
	.name		= "smsc911x",
	.id		= 1,
	.num_resources	= ARRAY_SIZE(overo_smsc911x2_resources),
	.resource	= overo_smsc911x2_resources,
	.dev		= {
		.platform_data = &overo_smsc911x_config,
	},
};

static struct platform_device *smsc911x_devices[] = {
	&overo_smsc911x_device,
	&overo_smsc911x2_device,
};

static inline void __init overo_init_smsc911x(void)
{
	unsigned long cs_mem_base, cs_mem_base2;

	/* set up first smsc911x chip */

	if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
		printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
		return;
	}

	overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
	overo_smsc911x_resources[0].end   = cs_mem_base + 0xff;

	if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
	    (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
		gpio_export(OVERO_SMSC911X_GPIO, 0);
	} else {
		printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
		return;
	}

	overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
	overo_smsc911x_resources[1].end	  = 0;

	/* set up second smsc911x chip */

	if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
		printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
		return;
	}

	overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
	overo_smsc911x2_resources[0].end   = cs_mem_base2 + 0xff;

	if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
	    (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
		gpio_export(OVERO_SMSC911X2_GPIO, 0);
	} else {
		printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
		return;
	}

	overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
	overo_smsc911x2_resources[1].end   = 0;

	platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
}

#else
static inline void __init overo_init_smsc911x(void) { return; }
#endif

static struct mtd_partition overo_nand_partitions[] = {
	{
		.name           = "xloader",
		.offset         = 0,			/* Offset = 0x00000 */
		.size           = 4 * NAND_BLOCK_SIZE,
		.mask_flags     = MTD_WRITEABLE
	},
	{
		.name           = "uboot",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
		.size           = 14 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "uboot environment",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x240000 */
		.size           = 2 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "linux",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
		.size           = 32 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "rootfs",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
		.size           = MTDPART_SIZ_FULL,
	},
};

static struct omap_nand_platform_data overo_nand_data = {
	.parts = overo_nand_partitions,
	.nr_parts = ARRAY_SIZE(overo_nand_partitions),
	.dma_channel = -1,	/* disable DMA in OMAP NAND driver */
};

static void __init overo_flash_init(void)
{
	u8 cs = 0;
	u8 nandcs = GPMC_CS_NUM + 1;

	/* find out the chip-select on which NAND exists */
	while (cs < GPMC_CS_NUM) {
		u32 ret = 0;
		ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);

		if ((ret & 0xC00) == 0x800) {
			printk(KERN_INFO "Found NAND on CS%d\n", cs);
			if (nandcs > GPMC_CS_NUM)
				nandcs = cs;
		}
		cs++;
	}

	if (nandcs > GPMC_CS_NUM) {
		printk(KERN_INFO "NAND: Unable to find configuration "
				 "in GPMC\n ");
		return;
	}

	if (nandcs < GPMC_CS_NUM) {
		overo_nand_data.cs = nandcs;

		printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
		if (gpmc_nand_init(&overo_nand_data) < 0)
			printk(KERN_ERR "Unable to register NAND device\n");
	}
}

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{
		.mmc		= 2,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.transceiver	= true,
		.ocr_mask	= 0x00100000,	/* 3.3V */
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply overo_vmmc1_supply = {
	.supply			= "vmmc",
};

static int overo_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	omap2_hsmmc_init(mmc);

	overo_vmmc1_supply.dev = mmc[0].dev;

	return 0;
}

static struct twl4030_gpio_platform_data overo_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.setup		= overo_twl_gpio_setup,
};

static struct twl4030_usb_data overo_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};

static struct regulator_init_data overo_vmmc1 = {
	.constraints = {
		.min_uV			= 1850000,
		.max_uV			= 3150000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &overo_vmmc1_supply,
};

static struct twl4030_codec_audio_data overo_audio_data = {
	.audio_mclk = 26000000,
};

static struct twl4030_codec_data overo_codec_data = {
	.audio_mclk = 26000000,
	.audio = &overo_audio_data,
};

/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */

static struct twl4030_platform_data overo_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,
	.gpio		= &overo_gpio_data,
	.usb		= &overo_usb_data,
	.codec		= &overo_codec_data,
	.vmmc1		= &overo_vmmc1,
};

static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("tps65950", 0x48),
		.flags = I2C_CLIENT_WAKE,
		.irq = INT_34XX_SYS_NIRQ,
		.platform_data = &overo_twldata,
	},
};

static int __init overo_i2c_init(void)
{
	omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
			ARRAY_SIZE(overo_i2c_boardinfo));
	/* i2c2 pins are used for gpio */
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
}

static struct platform_device overo_lcd_device = {
	.name		= "overo_lcd",
	.id		= -1,
};

static struct omap_lcd_config overo_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel overo_config[] __initdata = {
	{ OMAP_TAG_LCD,		&overo_lcd_config },
};

static void __init overo_init_early(void)
{
	omap_board_config = overo_config;
	omap_board_config_size = ARRAY_SIZE(overo_config);
	omap2_init_common_infrastructure();
	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
				  mt46h32m32lf6_sdrc_params);
}

static struct platform_device *overo_devices[] __initdata = {
	&overo_lcd_device,
};

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

	.phy_reset  = true,
	.reset_gpio_port[0]  = -EINVAL,
	.reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
	.reset_gpio_port[2]  = -EINVAL
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static struct omap_musb_board_data musb_board_data = {
	.interface_type		= MUSB_INTERFACE_ULPI,
	.mode			= MUSB_OTG,
	.power			= 100,
};

static void __init overo_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	overo_i2c_init();
	platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
	omap_serial_init();
	overo_flash_init();
	usb_musb_init(&musb_board_data);
	usb_ehci_init(&ehci_pdata);
	overo_ads7846_init();
	overo_init_smsc911x();

	/* Ensure SDRC pins are mux'd for self-refresh */
	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);

	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
			  "OVERO_GPIO_W2W_NRESET") == 0) &&
	    (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
		gpio_export(OVERO_GPIO_W2W_NRESET, 0);
		gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
		udelay(10);
		gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	} else {
		printk(KERN_ERR "could not obtain gpio for "
					"OVERO_GPIO_W2W_NRESET\n");
	}

	if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
	    (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
		gpio_export(OVERO_GPIO_BT_XGATE, 0);
	else
		printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");

	if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
	    (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
		gpio_export(OVERO_GPIO_BT_NRESET, 0);
		gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
		mdelay(6);
		gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
	} else {
		printk(KERN_ERR "could not obtain gpio for "
					"OVERO_GPIO_BT_NRESET\n");
	}

	if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
	    (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
		gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	else
		printk(KERN_ERR "could not obtain gpio for "
					"OVERO_GPIO_USBH_CPEN\n");
}

MACHINE_START(OVERO, "Gumstix Overo")
	.boot_params	= 0x80000100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= overo_init_early,
	.init_irq	= omap_init_irq,
	.init_machine	= overo_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
eba2645a SS	1	/*
	2	* board-overo.c (Gumstix Overo)
	3	*
	4	* Initial code: Steve Sakoman <steve@sakoman.com>
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* version 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	18	* 02110-1301 USA
	19	*
	20	*/
	21
	22	#include <linux/clk.h>
	23	#include <linux/delay.h>
	24	#include <linux/err.h>
	25	#include <linux/init.h>
	26	#include <linux/io.h>
	27	#include <linux/kernel.h>
	28	#include <linux/platform_device.h>
b07682b6	29	#include <linux/i2c/twl.h>
bb3b9d8e	30	#include <linux/regulator/machine.h>
eba2645a SS	31
	32	#include <linux/mtd/mtd.h>
	33	#include <linux/mtd/nand.h>
	34	#include <linux/mtd/partitions.h>
3a63833e	35	#include <linux/mmc/host.h>
eba2645a SS	36
	37	#include <asm/mach-types.h>
	38	#include <asm/mach/arch.h>
	39	#include <asm/mach/flash.h>
	40	#include <asm/mach/map.h>
	41
ce491cf8 TL	42	#include <plat/board.h>
ce491cf8 TL	43	#include <plat/common.h>
eba2645a	44	#include <mach/gpio.h>
ce491cf8	45	#include <plat/gpmc.h>
eba2645a	46	#include <mach/hardware.h>
ce491cf8	47	#include <plat/nand.h>
ce491cf8	48	#include <plat/usb.h>
eba2645a	49
ca5742bd	50	#include "mux.h"
2e12bd7e	51	#include "sdram-micron-mt46h32m32lf-6.h"
d02a900b	52	#include "hsmmc.h"
90c62bf0	53
0d4d9ab0 TL	54	#define OVERO_GPIO_BT_XGATE 15
0d4d9ab0 TL	55	#define OVERO_GPIO_W2W_NRESET 16
6fd210a9	56	#define OVERO_GPIO_PENDOWN 114
0d4d9ab0 TL	57	#define OVERO_GPIO_BT_NRESET 164
	58	#define OVERO_GPIO_USBH_CPEN 168
	59	#define OVERO_GPIO_USBH_NRESET 183
	60
eba2645a	61	#define NAND_BLOCK_SIZE SZ_128K
eba2645a	62
172ef275 SS	63	#define OVERO_SMSC911X_CS 5
172ef275 SS	64	#define OVERO_SMSC911X_GPIO 176
5c9a29ed SS	65	#define OVERO_SMSC911X2_CS 4
5c9a29ed SS	66	#define OVERO_SMSC911X2_GPIO 65
172ef275	67
c6a81316 SS	68	#if defined(CONFIG_TOUCHSCREEN_ADS7846) \|\| \
	69	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	70
ce491cf8	71	#include <plat/mcspi.h>
c6a81316 SS	72	#include <linux/spi/spi.h>
	73	#include <linux/spi/ads7846.h>
	74
	75	static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	76	.turbo_mode = 0,
	77	.single_channel = 1, /* 0: slave, 1: master */
	78	};
	79
	80	static int ads7846_get_pendown_state(void)
	81	{
	82	return !gpio_get_value(OVERO_GPIO_PENDOWN);
	83	}
	84
	85	static struct ads7846_platform_data ads7846_config = {
	86	.x_max = 0x0fff,
	87	.y_max = 0x0fff,
	88	.x_plate_ohms = 180,
	89	.pressure_max = 255,
	90	.debounce_max = 10,
	91	.debounce_tol = 3,
	92	.debounce_rep = 1,
	93	.get_pendown_state = ads7846_get_pendown_state,
	94	.keep_vref_on = 1,
	95	};
	96
	97	static struct spi_board_info overo_spi_board_info[] __initdata = {
	98	{
	99	.modalias = "ads7846",
	100	.bus_num = 1,
	101	.chip_select = 0,
	102	.max_speed_hz = 1500000,
	103	.controller_data = &ads7846_mcspi_config,
	104	.irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN),
	105	.platform_data = &ads7846_config,
	106	}
	107	};
	108
	109	static void __init overo_ads7846_init(void)
	110	{
	111	if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
	112	(gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) {
	113	gpio_export(OVERO_GPIO_PENDOWN, 0);
	114	} else {
	115	printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n");
	116	return;
	117	}
	118
	119	spi_register_board_info(overo_spi_board_info,
	120	ARRAY_SIZE(overo_spi_board_info));
	121	}
	122
	123	#else
	124	static inline void __init overo_ads7846_init(void) { return; }
	125	#endif
	126
172ef275 SS	127	#if defined(CONFIG_SMSC911X) \|\| defined(CONFIG_SMSC911X_MODULE)
	128
	129	#include <linux/smsc911x.h>
	130
	131	static struct resource overo_smsc911x_resources[] = {
	132	{
	133	.name = "smsc911x-memory",
	134	.flags = IORESOURCE_MEM,
	135	},
	136	{
	137	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
	138	},
	139	};
	140
5c9a29ed SS	141	static struct resource overo_smsc911x2_resources[] = {
	142	{
	143	.name = "smsc911x2-memory",
	144	.flags = IORESOURCE_MEM,
	145	},
	146	{
	147	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
	148	},
	149	};
	150
172ef275 SS	151	static struct smsc911x_platform_config overo_smsc911x_config = {
	152	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	153	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	154	.flags = SMSC911X_USE_32BIT ,
	155	.phy_interface = PHY_INTERFACE_MODE_MII,
	156	};
	157
	158	static struct platform_device overo_smsc911x_device = {
	159	.name = "smsc911x",
5c9a29ed	160	.id = 0,
172ef275	161	.num_resources = ARRAY_SIZE(overo_smsc911x_resources),
5032902c	162	.resource = overo_smsc911x_resources,
172ef275 SS	163	.dev = {
	164	.platform_data = &overo_smsc911x_config,
	165	},
	166	};
	167
a5ba7ae2 SS	168	static struct platform_device overo_smsc911x2_device = {
	169	.name = "smsc911x",
	170	.id = 1,
	171	.num_resources = ARRAY_SIZE(overo_smsc911x2_resources),
	172	.resource = overo_smsc911x2_resources,
	173	.dev = {
	174	.platform_data = &overo_smsc911x_config,
	175	},
	176	};
	177
	178	static struct platform_device *smsc911x_devices[] = {
	179	&overo_smsc911x_device,
	180	&overo_smsc911x2_device,
	181	};
	182
172ef275 SS	183	static inline void __init overo_init_smsc911x(void)
172ef275 SS	184	{
a5ba7ae2 SS	185	unsigned long cs_mem_base, cs_mem_base2;
	186
	187	/* set up first smsc911x chip */
172ef275 SS	188
	189	if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
	190	printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
	191	return;
	192	}
	193
	194	overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
	195	overo_smsc911x_resources[0].end = cs_mem_base + 0xff;
	196
	197	if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
	198	(gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
	199	gpio_export(OVERO_SMSC911X_GPIO, 0);
	200	} else {
	201	printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
	202	return;
	203	}
	204
	205	overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
	206	overo_smsc911x_resources[1].end = 0;
	207
a5ba7ae2 SS	208	/* set up second smsc911x chip */
	209
	210	if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
	211	printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
	212	return;
	213	}
	214
	215	overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
	216	overo_smsc911x2_resources[0].end = cs_mem_base2 + 0xff;
	217
	218	if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
	219	(gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
	220	gpio_export(OVERO_SMSC911X2_GPIO, 0);
	221	} else {
	222	printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
	223	return;
	224	}
	225
	226	overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
	227	overo_smsc911x2_resources[1].end = 0;
	228
	229	platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
172ef275 SS	230	}
	231
	232	#else
	233	static inline void __init overo_init_smsc911x(void) { return; }
	234	#endif
	235
eba2645a SS	236	static struct mtd_partition overo_nand_partitions[] = {
	237	{
	238	.name = "xloader",
	239	.offset = 0, /* Offset = 0x00000 */
	240	.size = 4 * NAND_BLOCK_SIZE,
	241	.mask_flags = MTD_WRITEABLE
	242	},
	243	{
	244	.name = "uboot",
	245	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	246	.size = 14 * NAND_BLOCK_SIZE,
	247	},
	248	{
	249	.name = "uboot environment",
	250	.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
	251	.size = 2 * NAND_BLOCK_SIZE,
	252	},
	253	{
	254	.name = "linux",
	255	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	256	.size = 32 * NAND_BLOCK_SIZE,
	257	},
	258	{
	259	.name = "rootfs",
	260	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	261	.size = MTDPART_SIZ_FULL,
	262	},
	263	};
	264
	265	static struct omap_nand_platform_data overo_nand_data = {
	266	.parts = overo_nand_partitions,
	267	.nr_parts = ARRAY_SIZE(overo_nand_partitions),
	268	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	269	};
	270
eba2645a SS	271	static void __init overo_flash_init(void)
	272	{
	273	u8 cs = 0;
	274	u8 nandcs = GPMC_CS_NUM + 1;
	275
eba2645a SS	276	/* find out the chip-select on which NAND exists */
	277	while (cs < GPMC_CS_NUM) {
	278	u32 ret = 0;
	279	ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
	280
	281	if ((ret & 0xC00) == 0x800) {
	282	printk(KERN_INFO "Found NAND on CS%d\n", cs);
	283	if (nandcs > GPMC_CS_NUM)
	284	nandcs = cs;
	285	}
	286	cs++;
	287	}
	288
	289	if (nandcs > GPMC_CS_NUM) {
	290	printk(KERN_INFO "NAND: Unable to find configuration "
	291	"in GPMC\n ");
	292	return;
	293	}
	294
	295	if (nandcs < GPMC_CS_NUM) {
	296	overo_nand_data.cs = nandcs;
eba2645a SS	297
eba2645a SS	298	printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
f450d867	299	if (gpmc_nand_init(&overo_nand_data) < 0)
eba2645a SS	300	printk(KERN_ERR "Unable to register NAND device\n");
	301	}
	302	}
eba2645a	303
68ff0423	304	static struct omap2_hsmmc_info mmc[] = {
bb3b9d8e DB	305	{
bb3b9d8e DB	306	.mmc = 1,
3a63833e	307	.caps = MMC_CAP_4_BIT_DATA,
bb3b9d8e DB	308	.gpio_cd = -EINVAL,
	309	.gpio_wp = -EINVAL,
	310	},
	311	{
	312	.mmc = 2,
3a63833e	313	.caps = MMC_CAP_4_BIT_DATA,
bb3b9d8e DB	314	.gpio_cd = -EINVAL,
	315	.gpio_wp = -EINVAL,
	316	.transceiver = true,
	317	.ocr_mask = 0x00100000, /* 3.3V */
	318	},
	319	{} /* Terminator */
	320	};
	321
	322	static struct regulator_consumer_supply overo_vmmc1_supply = {
	323	.supply = "vmmc",
	324	};
	325
	326	static int overo_twl_gpio_setup(struct device *dev,
	327	unsigned gpio, unsigned ngpio)
	328	{
68ff0423	329	omap2_hsmmc_init(mmc);
bb3b9d8e DB	330
	331	overo_vmmc1_supply.dev = mmc[0].dev;
	332
	333	return 0;
	334	}
	335
90c62bf0 TL	336	static struct twl4030_gpio_platform_data overo_gpio_data = {
	337	.gpio_base = OMAP_MAX_GPIO_LINES,
	338	.irq_base = TWL4030_GPIO_IRQ_BASE,
	339	.irq_end = TWL4030_GPIO_IRQ_END,
bb3b9d8e DB	340	.setup = overo_twl_gpio_setup,
	341	};
	342
	343	static struct twl4030_usb_data overo_usb_data = {
	344	.usb_mode = T2_USB_MODE_ULPI,
	345	};
	346
	347	static struct regulator_init_data overo_vmmc1 = {
	348	.constraints = {
	349	.min_uV = 1850000,
	350	.max_uV = 3150000,
	351	.valid_modes_mask = REGULATOR_MODE_NORMAL
	352	\| REGULATOR_MODE_STANDBY,
	353	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	354	\| REGULATOR_CHANGE_MODE
	355	\| REGULATOR_CHANGE_STATUS,
	356	},
	357	.num_consumer_supplies = 1,
	358	.consumer_supplies = &overo_vmmc1_supply,
90c62bf0 TL	359	};
90c62bf0 TL	360
e86fa0b4 PU	361	static struct twl4030_codec_audio_data overo_audio_data = {
	362	.audio_mclk = 26000000,
	363	};
	364
	365	static struct twl4030_codec_data overo_codec_data = {
6df74efb	366	.audio_mclk = 26000000,
e86fa0b4 PU	367	.audio = &overo_audio_data,
	368	};
	369
bb3b9d8e DB	370	/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */
bb3b9d8e DB	371
90c62bf0 TL	372	static struct twl4030_platform_data overo_twldata = {
	373	.irq_base = TWL4030_IRQ_BASE,
	374	.irq_end = TWL4030_IRQ_END,
	375	.gpio = &overo_gpio_data,
bb3b9d8e	376	.usb = &overo_usb_data,
e86fa0b4	377	.codec = &overo_codec_data,
bb3b9d8e	378	.vmmc1 = &overo_vmmc1,
90c62bf0 TL	379	};
	380
	381	static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
	382	{
bb3b9d8e	383	I2C_BOARD_INFO("tps65950", 0x48),
90c62bf0 TL	384	.flags = I2C_CLIENT_WAKE,
	385	.irq = INT_34XX_SYS_NIRQ,
	386	.platform_data = &overo_twldata,
	387	},
	388	};
	389
eba2645a SS	390	static int __init overo_i2c_init(void)
eba2645a SS	391	{
90c62bf0 TL	392	omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
90c62bf0 TL	393	ARRAY_SIZE(overo_i2c_boardinfo));
eba2645a SS	394	/* i2c2 pins are used for gpio */
	395	omap_register_i2c_bus(3, 400, NULL, 0);
	396	return 0;
	397	}
	398
eba2645a SS	399	static struct platform_device overo_lcd_device = {
	400	.name = "overo_lcd",
	401	.id = -1,
	402	};
	403
	404	static struct omap_lcd_config overo_lcd_config __initdata = {
	405	.ctrl_name = "internal",
	406	};
	407
	408	static struct omap_board_config_kernel overo_config[] __initdata = {
eba2645a SS	409	{ OMAP_TAG_LCD, &overo_lcd_config },
	410	};
	411
3dc3bad6	412	static void __init overo_init_early(void)
b3c6df3a PW	413	{
	414	omap_board_config = overo_config;
	415	omap_board_config_size = ARRAY_SIZE(overo_config);
4805734b PW	416	omap2_init_common_infrastructure();
	417	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
	418	mt46h32m32lf6_sdrc_params);
b3c6df3a PW	419	}
b3c6df3a PW	420
eba2645a SS	421	static struct platform_device *overo_devices[] __initdata = {
	422	&overo_lcd_device,
	423	};
	424
6f69a181	425	static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
58a5491c FB	426	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	427	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	428	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	429
	430	.phy_reset = true,
	431	.reset_gpio_port[0] = -EINVAL,
	432	.reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET,
	433	.reset_gpio_port[2] = -EINVAL
	434	};
	435
ca5742bd TL	436	#ifdef CONFIG_OMAP_MUX
	437	static struct omap_board_mux board_mux[] __initdata = {
	438	{ .reg_offset = OMAP_MUX_TERMINATOR },
	439	};
ca5742bd	440	#endif
58a5491c	441
884b8369 MM	442	static struct omap_musb_board_data musb_board_data = {
	443	.interface_type = MUSB_INTERFACE_ULPI,
	444	.mode = MUSB_OTG,
	445	.power = 100,
	446	};
	447
eba2645a SS	448	static void __init overo_init(void)
eba2645a SS	449	{
ca5742bd	450	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
eba2645a SS	451	overo_i2c_init();
eba2645a SS	452	platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
eba2645a SS	453	omap_serial_init();
eba2645a SS	454	overo_flash_init();
884b8369	455	usb_musb_init(&musb_board_data);
58a5491c	456	usb_ehci_init(&ehci_pdata);
c6a81316	457	overo_ads7846_init();
172ef275	458	overo_init_smsc911x();
eba2645a	459
9fb97412	460	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	461	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	462	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
9fb97412	463
eba2645a SS	464	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
	465	"OVERO_GPIO_W2W_NRESET") == 0) &&
	466	(gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
	467	gpio_export(OVERO_GPIO_W2W_NRESET, 0);
	468	gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
	469	udelay(10);
	470	gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	471	} else {
	472	printk(KERN_ERR "could not obtain gpio for "
	473	"OVERO_GPIO_W2W_NRESET\n");
	474	}
	475
	476	if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
	477	(gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
	478	gpio_export(OVERO_GPIO_BT_XGATE, 0);
	479	else
	480	printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
	481
	482	if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
	483	(gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
	484	gpio_export(OVERO_GPIO_BT_NRESET, 0);
	485	gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
	486	mdelay(6);
	487	gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
	488	} else {
	489	printk(KERN_ERR "could not obtain gpio for "
	490	"OVERO_GPIO_BT_NRESET\n");
	491	}
	492
	493	if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
	494	(gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
	495	gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	496	else
	497	printk(KERN_ERR "could not obtain gpio for "
	498	"OVERO_GPIO_USBH_CPEN\n");
eba2645a SS	499	}
eba2645a SS	500
eba2645a	501	MACHINE_START(OVERO, "Gumstix Overo")
eba2645a	502	.boot_params = 0x80000100,
71ee7dad	503	.reserve = omap_reserve,
3dc3bad6 RKAL	504	.map_io = omap3_map_io,
	505	.init_early = overo_init_early,
	506	.init_irq = omap_init_irq,
eba2645a SS	507	.init_machine = overo_init,
	508	.timer = &omap_timer,
	509	MACHINE_END