[deliverable/linux.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 <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,
		.wires		= 4,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{
		.mmc		= 2,
		.wires		= 4,
		.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_irq(void)
{
	omap_board_config = overo_config;
	omap_board_config_size = ARRAY_SIZE(overo_config);
	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
			     mt46h32m32lf6_sdrc_params);
	omap_init_irq();
	omap_gpio_init();
}

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 },
};
#else
#define board_mux	NULL
#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")
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= omap3_map_io,
	.reserve	= omap_reserve,
	.init_irq	= overo_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>
	35
	36	#include <asm/mach-types.h>
	37	#include <asm/mach/arch.h>
	38	#include <asm/mach/flash.h>
	39	#include <asm/mach/map.h>
	40
ce491cf8 TL	41	#include <plat/board.h>
ce491cf8 TL	42	#include <plat/common.h>
eba2645a	43	#include <mach/gpio.h>
ce491cf8	44	#include <plat/gpmc.h>
eba2645a	45	#include <mach/hardware.h>
ce491cf8	46	#include <plat/nand.h>
ce491cf8	47	#include <plat/usb.h>
eba2645a	48
ca5742bd	49	#include "mux.h"
2e12bd7e	50	#include "sdram-micron-mt46h32m32lf-6.h"
d02a900b	51	#include "hsmmc.h"
90c62bf0	52
0d4d9ab0 TL	53	#define OVERO_GPIO_BT_XGATE 15
0d4d9ab0 TL	54	#define OVERO_GPIO_W2W_NRESET 16
6fd210a9	55	#define OVERO_GPIO_PENDOWN 114
0d4d9ab0 TL	56	#define OVERO_GPIO_BT_NRESET 164
	57	#define OVERO_GPIO_USBH_CPEN 168
	58	#define OVERO_GPIO_USBH_NRESET 183
	59
eba2645a	60	#define NAND_BLOCK_SIZE SZ_128K
eba2645a	61
172ef275 SS	62	#define OVERO_SMSC911X_CS 5
172ef275 SS	63	#define OVERO_SMSC911X_GPIO 176
5c9a29ed SS	64	#define OVERO_SMSC911X2_CS 4
5c9a29ed SS	65	#define OVERO_SMSC911X2_GPIO 65
172ef275	66
c6a81316 SS	67	#if defined(CONFIG_TOUCHSCREEN_ADS7846) \|\| \
	68	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	69
ce491cf8	70	#include <plat/mcspi.h>
c6a81316 SS	71	#include <linux/spi/spi.h>
	72	#include <linux/spi/ads7846.h>
	73
	74	static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	75	.turbo_mode = 0,
	76	.single_channel = 1, /* 0: slave, 1: master */
	77	};
	78
	79	static int ads7846_get_pendown_state(void)
	80	{
	81	return !gpio_get_value(OVERO_GPIO_PENDOWN);
	82	}
	83
	84	static struct ads7846_platform_data ads7846_config = {
	85	.x_max = 0x0fff,
	86	.y_max = 0x0fff,
	87	.x_plate_ohms = 180,
	88	.pressure_max = 255,
	89	.debounce_max = 10,
	90	.debounce_tol = 3,
	91	.debounce_rep = 1,
	92	.get_pendown_state = ads7846_get_pendown_state,
	93	.keep_vref_on = 1,
	94	};
	95
	96	static struct spi_board_info overo_spi_board_info[] __initdata = {
	97	{
	98	.modalias = "ads7846",
	99	.bus_num = 1,
	100	.chip_select = 0,
	101	.max_speed_hz = 1500000,
	102	.controller_data = &ads7846_mcspi_config,
	103	.irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN),
	104	.platform_data = &ads7846_config,
	105	}
	106	};
	107
	108	static void __init overo_ads7846_init(void)
	109	{
	110	if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
	111	(gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) {
	112	gpio_export(OVERO_GPIO_PENDOWN, 0);
	113	} else {
	114	printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n");
	115	return;
	116	}
	117
	118	spi_register_board_info(overo_spi_board_info,
	119	ARRAY_SIZE(overo_spi_board_info));
	120	}
	121
	122	#else
	123	static inline void __init overo_ads7846_init(void) { return; }
	124	#endif
	125
172ef275 SS	126	#if defined(CONFIG_SMSC911X) \|\| defined(CONFIG_SMSC911X_MODULE)
	127
	128	#include <linux/smsc911x.h>
	129
	130	static struct resource overo_smsc911x_resources[] = {
	131	{
	132	.name = "smsc911x-memory",
	133	.flags = IORESOURCE_MEM,
	134	},
	135	{
	136	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
	137	},
	138	};
	139
5c9a29ed SS	140	static struct resource overo_smsc911x2_resources[] = {
	141	{
	142	.name = "smsc911x2-memory",
	143	.flags = IORESOURCE_MEM,
	144	},
	145	{
	146	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
	147	},
	148	};
	149
172ef275 SS	150	static struct smsc911x_platform_config overo_smsc911x_config = {
	151	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	152	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	153	.flags = SMSC911X_USE_32BIT ,
	154	.phy_interface = PHY_INTERFACE_MODE_MII,
	155	};
	156
	157	static struct platform_device overo_smsc911x_device = {
	158	.name = "smsc911x",
5c9a29ed	159	.id = 0,
172ef275	160	.num_resources = ARRAY_SIZE(overo_smsc911x_resources),
5032902c	161	.resource = overo_smsc911x_resources,
172ef275 SS	162	.dev = {
	163	.platform_data = &overo_smsc911x_config,
	164	},
	165	};
	166
a5ba7ae2 SS	167	static struct platform_device overo_smsc911x2_device = {
	168	.name = "smsc911x",
	169	.id = 1,
	170	.num_resources = ARRAY_SIZE(overo_smsc911x2_resources),
	171	.resource = overo_smsc911x2_resources,
	172	.dev = {
	173	.platform_data = &overo_smsc911x_config,
	174	},
	175	};
	176
	177	static struct platform_device *smsc911x_devices[] = {
	178	&overo_smsc911x_device,
	179	&overo_smsc911x2_device,
	180	};
	181
172ef275 SS	182	static inline void __init overo_init_smsc911x(void)
172ef275 SS	183	{
a5ba7ae2 SS	184	unsigned long cs_mem_base, cs_mem_base2;
	185
	186	/* set up first smsc911x chip */
172ef275 SS	187
	188	if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
	189	printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
	190	return;
	191	}
	192
	193	overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
	194	overo_smsc911x_resources[0].end = cs_mem_base + 0xff;
	195
	196	if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
	197	(gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
	198	gpio_export(OVERO_SMSC911X_GPIO, 0);
	199	} else {
	200	printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
	201	return;
	202	}
	203
	204	overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
	205	overo_smsc911x_resources[1].end = 0;
	206
a5ba7ae2 SS	207	/* set up second smsc911x chip */
	208
	209	if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
	210	printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
	211	return;
	212	}
	213
	214	overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
	215	overo_smsc911x2_resources[0].end = cs_mem_base2 + 0xff;
	216
	217	if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
	218	(gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
	219	gpio_export(OVERO_SMSC911X2_GPIO, 0);
	220	} else {
	221	printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
	222	return;
	223	}
	224
	225	overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
	226	overo_smsc911x2_resources[1].end = 0;
	227
	228	platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
172ef275 SS	229	}
	230
	231	#else
	232	static inline void __init overo_init_smsc911x(void) { return; }
	233	#endif
	234
eba2645a SS	235	static struct mtd_partition overo_nand_partitions[] = {
	236	{
	237	.name = "xloader",
	238	.offset = 0, /* Offset = 0x00000 */
	239	.size = 4 * NAND_BLOCK_SIZE,
	240	.mask_flags = MTD_WRITEABLE
	241	},
	242	{
	243	.name = "uboot",
	244	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	245	.size = 14 * NAND_BLOCK_SIZE,
	246	},
	247	{
	248	.name = "uboot environment",
	249	.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
	250	.size = 2 * NAND_BLOCK_SIZE,
	251	},
	252	{
	253	.name = "linux",
	254	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	255	.size = 32 * NAND_BLOCK_SIZE,
	256	},
	257	{
	258	.name = "rootfs",
	259	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	260	.size = MTDPART_SIZ_FULL,
	261	},
	262	};
	263
	264	static struct omap_nand_platform_data overo_nand_data = {
	265	.parts = overo_nand_partitions,
	266	.nr_parts = ARRAY_SIZE(overo_nand_partitions),
	267	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	268	};
	269
eba2645a SS	270	static void __init overo_flash_init(void)
	271	{
	272	u8 cs = 0;
	273	u8 nandcs = GPMC_CS_NUM + 1;
	274
eba2645a SS	275	/* find out the chip-select on which NAND exists */
	276	while (cs < GPMC_CS_NUM) {
	277	u32 ret = 0;
	278	ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
	279
	280	if ((ret & 0xC00) == 0x800) {
	281	printk(KERN_INFO "Found NAND on CS%d\n", cs);
	282	if (nandcs > GPMC_CS_NUM)
	283	nandcs = cs;
	284	}
	285	cs++;
	286	}
	287
	288	if (nandcs > GPMC_CS_NUM) {
	289	printk(KERN_INFO "NAND: Unable to find configuration "
	290	"in GPMC\n ");
	291	return;
	292	}
	293
	294	if (nandcs < GPMC_CS_NUM) {
	295	overo_nand_data.cs = nandcs;
eba2645a SS	296
eba2645a SS	297	printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
f450d867	298	if (gpmc_nand_init(&overo_nand_data) < 0)
eba2645a SS	299	printk(KERN_ERR "Unable to register NAND device\n");
	300	}
	301	}
eba2645a	302
68ff0423	303	static struct omap2_hsmmc_info mmc[] = {
bb3b9d8e DB	304	{
	305	.mmc = 1,
	306	.wires = 4,
	307	.gpio_cd = -EINVAL,
	308	.gpio_wp = -EINVAL,
	309	},
	310	{
	311	.mmc = 2,
	312	.wires = 4,
	313	.gpio_cd = -EINVAL,
	314	.gpio_wp = -EINVAL,
	315	.transceiver = true,
	316	.ocr_mask = 0x00100000, /* 3.3V */
	317	},
	318	{} /* Terminator */
	319	};
	320
	321	static struct regulator_consumer_supply overo_vmmc1_supply = {
	322	.supply = "vmmc",
	323	};
	324
	325	static int overo_twl_gpio_setup(struct device *dev,
	326	unsigned gpio, unsigned ngpio)
	327	{
68ff0423	328	omap2_hsmmc_init(mmc);
bb3b9d8e DB	329
	330	overo_vmmc1_supply.dev = mmc[0].dev;
	331
	332	return 0;
	333	}
	334
90c62bf0 TL	335	static struct twl4030_gpio_platform_data overo_gpio_data = {
	336	.gpio_base = OMAP_MAX_GPIO_LINES,
	337	.irq_base = TWL4030_GPIO_IRQ_BASE,
	338	.irq_end = TWL4030_GPIO_IRQ_END,
bb3b9d8e DB	339	.setup = overo_twl_gpio_setup,
	340	};
	341
	342	static struct twl4030_usb_data overo_usb_data = {
	343	.usb_mode = T2_USB_MODE_ULPI,
	344	};
	345
	346	static struct regulator_init_data overo_vmmc1 = {
	347	.constraints = {
	348	.min_uV = 1850000,
	349	.max_uV = 3150000,
	350	.valid_modes_mask = REGULATOR_MODE_NORMAL
	351	\| REGULATOR_MODE_STANDBY,
	352	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	353	\| REGULATOR_CHANGE_MODE
	354	\| REGULATOR_CHANGE_STATUS,
	355	},
	356	.num_consumer_supplies = 1,
	357	.consumer_supplies = &overo_vmmc1_supply,
90c62bf0 TL	358	};
90c62bf0 TL	359
e86fa0b4 PU	360	static struct twl4030_codec_audio_data overo_audio_data = {
	361	.audio_mclk = 26000000,
	362	};
	363
	364	static struct twl4030_codec_data overo_codec_data = {
6df74efb	365	.audio_mclk = 26000000,
e86fa0b4 PU	366	.audio = &overo_audio_data,
	367	};
	368
bb3b9d8e DB	369	/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */
bb3b9d8e DB	370
90c62bf0 TL	371	static struct twl4030_platform_data overo_twldata = {
	372	.irq_base = TWL4030_IRQ_BASE,
	373	.irq_end = TWL4030_IRQ_END,
	374	.gpio = &overo_gpio_data,
bb3b9d8e	375	.usb = &overo_usb_data,
e86fa0b4	376	.codec = &overo_codec_data,
bb3b9d8e	377	.vmmc1 = &overo_vmmc1,
90c62bf0 TL	378	};
	379
	380	static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
	381	{
bb3b9d8e	382	I2C_BOARD_INFO("tps65950", 0x48),
90c62bf0 TL	383	.flags = I2C_CLIENT_WAKE,
	384	.irq = INT_34XX_SYS_NIRQ,
	385	.platform_data = &overo_twldata,
	386	},
	387	};
	388
eba2645a SS	389	static int __init overo_i2c_init(void)
eba2645a SS	390	{
90c62bf0 TL	391	omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
90c62bf0 TL	392	ARRAY_SIZE(overo_i2c_boardinfo));
eba2645a SS	393	/* i2c2 pins are used for gpio */
	394	omap_register_i2c_bus(3, 400, NULL, 0);
	395	return 0;
	396	}
	397
eba2645a SS	398	static struct platform_device overo_lcd_device = {
	399	.name = "overo_lcd",
	400	.id = -1,
	401	};
	402
	403	static struct omap_lcd_config overo_lcd_config __initdata = {
	404	.ctrl_name = "internal",
	405	};
	406
	407	static struct omap_board_config_kernel overo_config[] __initdata = {
eba2645a SS	408	{ OMAP_TAG_LCD, &overo_lcd_config },
	409	};
	410
b3c6df3a PW	411	static void __init overo_init_irq(void)
	412	{
	413	omap_board_config = overo_config;
	414	omap_board_config_size = ARRAY_SIZE(overo_config);
	415	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
	416	mt46h32m32lf6_sdrc_params);
	417	omap_init_irq();
	418	omap_gpio_init();
	419	}
	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	};
	440	#else
	441	#define board_mux NULL
	442	#endif
58a5491c	443
884b8369 MM	444	static struct omap_musb_board_data musb_board_data = {
	445	.interface_type = MUSB_INTERFACE_ULPI,
	446	.mode = MUSB_OTG,
	447	.power = 100,
	448	};
	449
eba2645a SS	450	static void __init overo_init(void)
eba2645a SS	451	{
ca5742bd	452	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
eba2645a SS	453	overo_i2c_init();
eba2645a SS	454	platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
eba2645a SS	455	omap_serial_init();
eba2645a SS	456	overo_flash_init();
884b8369	457	usb_musb_init(&musb_board_data);
58a5491c	458	usb_ehci_init(&ehci_pdata);
c6a81316	459	overo_ads7846_init();
172ef275	460	overo_init_smsc911x();
eba2645a	461
9fb97412	462	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	463	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	464	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
9fb97412	465
eba2645a SS	466	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
	467	"OVERO_GPIO_W2W_NRESET") == 0) &&
	468	(gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
	469	gpio_export(OVERO_GPIO_W2W_NRESET, 0);
	470	gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
	471	udelay(10);
	472	gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	473	} else {
	474	printk(KERN_ERR "could not obtain gpio for "
	475	"OVERO_GPIO_W2W_NRESET\n");
	476	}
	477
	478	if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
	479	(gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
	480	gpio_export(OVERO_GPIO_BT_XGATE, 0);
	481	else
	482	printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
	483
	484	if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
	485	(gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
	486	gpio_export(OVERO_GPIO_BT_NRESET, 0);
	487	gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
	488	mdelay(6);
	489	gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
	490	} else {
	491	printk(KERN_ERR "could not obtain gpio for "
	492	"OVERO_GPIO_BT_NRESET\n");
	493	}
	494
	495	if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
	496	(gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
	497	gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	498	else
	499	printk(KERN_ERR "could not obtain gpio for "
	500	"OVERO_GPIO_USBH_CPEN\n");
eba2645a SS	501	}
eba2645a SS	502
eba2645a SS	503	MACHINE_START(OVERO, "Gumstix Overo")
eba2645a SS	504	.phys_io = 0x48000000,
b4224b23	505	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
eba2645a	506	.boot_params = 0x80000100,
869fef41	507	.map_io = omap3_map_io,
71ee7dad	508	.reserve = omap_reserve,
eba2645a SS	509	.init_irq = overo_init_irq,
	510	.init_machine = overo_init,
	511	.timer = &omap_timer,
	512	MACHINE_END