[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/twl4030.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 <mach/board.h>
#include <mach/common.h>
#include <mach/gpio.h>
#include <mach/gpmc.h>
#include <mach/hardware.h>
#include <mach/nand.h>
#include <mach/usb.h>

#include "mmc-twl4030.h"

#define OVERO_GPIO_BT_XGATE	15
#define OVERO_GPIO_W2W_NRESET	16
#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 GPMC_CS0_BASE  0x60
#define GPMC_CS_SIZE   0x30

#define OVERO_SMSC911X_CS      5
#define OVERO_SMSC911X_GPIO    176

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

#include <mach/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 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		= -1,
	.num_resources	= ARRAY_SIZE(overo_smsc911x_resources),
	.resource	= &overo_smsc911x_resources,
	.dev		= {
		.platform_data = &overo_smsc911x_config,
	},
};

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

	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;

	platform_device_register(&overo_smsc911x_device);
}

#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 struct resource overo_nand_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device overo_nand_device = {
	.name		= "omap2-nand",
	.id		= -1,
	.dev		= {
		.platform_data	= &overo_nand_data,
	},
	.num_resources	= 1,
	.resource	= &overo_nand_resource,
};


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

	u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;

	/* 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;
		overo_nand_data.gpmc_cs_baseaddr = (void *)
			(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
		overo_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);

		printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
		if (platform_device_register(&overo_nand_device) < 0)
			printk(KERN_ERR "Unable to register NAND device\n");
	}
}
static struct omap_uart_config overo_uart_config __initdata = {
	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
};

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,
};

static struct twl4030_platform_data overo_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,
	.gpio		= &overo_gpio_data,
};

static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl4030", 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 void __init overo_init_irq(void)
{
	omap2_init_common_hw(NULL);
	omap_init_irq();
	omap_gpio_init();
}

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_UART,	&overo_uart_config },
	{ OMAP_TAG_LCD,		&overo_lcd_config },
};

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

static struct twl4030_hsmmc_info mmc[] __initdata = {
	{
		.mmc		= 1,
		.wires		= 4,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{
		.mmc		= 2,
		.wires		= 4,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.transceiver	= true,
	},
	{}	/* Terminator */
};

static void __init overo_init(void)
{
	overo_i2c_init();
	platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
	omap_board_config = overo_config;
	omap_board_config_size = ARRAY_SIZE(overo_config);
	omap_serial_init();
	twl4030_mmc_init(mmc);
	overo_flash_init();
	usb_musb_init();
	overo_ads7846_init();
	overo_init_smsc911x();

	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");

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

static void __init overo_map_io(void)
{
	omap2_set_globals_343x();
	omap2_map_common_io();
}

MACHINE_START(OVERO, "Gumstix Overo")
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= overo_map_io,
	.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>
90c62bf0	29	#include <linux/i2c/twl4030.h>
eba2645a SS	30
	31	#include <linux/mtd/mtd.h>
	32	#include <linux/mtd/nand.h>
	33	#include <linux/mtd/partitions.h>
	34
	35	#include <asm/mach-types.h>
	36	#include <asm/mach/arch.h>
	37	#include <asm/mach/flash.h>
	38	#include <asm/mach/map.h>
	39
eba2645a SS	40	#include <mach/board.h>
	41	#include <mach/common.h>
	42	#include <mach/gpio.h>
	43	#include <mach/gpmc.h>
	44	#include <mach/hardware.h>
	45	#include <mach/nand.h>
18cb7aca	46	#include <mach/usb.h>
eba2645a	47
90c62bf0 TL	48	#include "mmc-twl4030.h"
90c62bf0 TL	49
0d4d9ab0 TL	50	#define OVERO_GPIO_BT_XGATE 15
	51	#define OVERO_GPIO_W2W_NRESET 16
	52	#define OVERO_GPIO_BT_NRESET 164
	53	#define OVERO_GPIO_USBH_CPEN 168
	54	#define OVERO_GPIO_USBH_NRESET 183
	55
eba2645a SS	56	#define NAND_BLOCK_SIZE SZ_128K
	57	#define GPMC_CS0_BASE 0x60
	58	#define GPMC_CS_SIZE 0x30
	59
172ef275 SS	60	#define OVERO_SMSC911X_CS 5
	61	#define OVERO_SMSC911X_GPIO 176
	62
c6a81316 SS	63	#if defined(CONFIG_TOUCHSCREEN_ADS7846) \|\| \
	64	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	65
	66	#include <mach/mcspi.h>
	67	#include <linux/spi/spi.h>
	68	#include <linux/spi/ads7846.h>
	69
	70	static struct omap2_mcspi_device_config ads7846_mcspi_config = {
	71	.turbo_mode = 0,
	72	.single_channel = 1, /* 0: slave, 1: master */
	73	};
	74
	75	static int ads7846_get_pendown_state(void)
	76	{
	77	return !gpio_get_value(OVERO_GPIO_PENDOWN);
	78	}
	79
	80	static struct ads7846_platform_data ads7846_config = {
	81	.x_max = 0x0fff,
	82	.y_max = 0x0fff,
	83	.x_plate_ohms = 180,
	84	.pressure_max = 255,
	85	.debounce_max = 10,
	86	.debounce_tol = 3,
	87	.debounce_rep = 1,
	88	.get_pendown_state = ads7846_get_pendown_state,
	89	.keep_vref_on = 1,
	90	};
	91
	92	static struct spi_board_info overo_spi_board_info[] __initdata = {
	93	{
	94	.modalias = "ads7846",
	95	.bus_num = 1,
	96	.chip_select = 0,
	97	.max_speed_hz = 1500000,
	98	.controller_data = &ads7846_mcspi_config,
	99	.irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN),
	100	.platform_data = &ads7846_config,
	101	}
	102	};
	103
	104	static void __init overo_ads7846_init(void)
	105	{
	106	if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
	107	(gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) {
	108	gpio_export(OVERO_GPIO_PENDOWN, 0);
	109	} else {
	110	printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n");
	111	return;
	112	}
	113
	114	spi_register_board_info(overo_spi_board_info,
	115	ARRAY_SIZE(overo_spi_board_info));
	116	}
	117
	118	#else
	119	static inline void __init overo_ads7846_init(void) { return; }
	120	#endif
	121
172ef275 SS	122	#if defined(CONFIG_SMSC911X) \|\| defined(CONFIG_SMSC911X_MODULE)
	123
	124	#include <linux/smsc911x.h>
	125
	126	static struct resource overo_smsc911x_resources[] = {
	127	{
	128	.name = "smsc911x-memory",
	129	.flags = IORESOURCE_MEM,
	130	},
	131	{
	132	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
	133	},
	134	};
	135
	136	static struct smsc911x_platform_config overo_smsc911x_config = {
	137	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	138	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	139	.flags = SMSC911X_USE_32BIT ,
	140	.phy_interface = PHY_INTERFACE_MODE_MII,
	141	};
	142
	143	static struct platform_device overo_smsc911x_device = {
	144	.name = "smsc911x",
	145	.id = -1,
	146	.num_resources = ARRAY_SIZE(overo_smsc911x_resources),
	147	.resource = &overo_smsc911x_resources,
	148	.dev = {
	149	.platform_data = &overo_smsc911x_config,
	150	},
	151	};
	152
	153	static inline void __init overo_init_smsc911x(void)
	154	{
	155	unsigned long cs_mem_base;
	156
	157	if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
	158	printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
	159	return;
	160	}
	161
	162	overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
	163	overo_smsc911x_resources[0].end = cs_mem_base + 0xff;
	164
	165	if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
	166	(gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
	167	gpio_export(OVERO_SMSC911X_GPIO, 0);
	168	} else {
	169	printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
	170	return;
	171	}
	172
	173	overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
	174	overo_smsc911x_resources[1].end = 0;
	175
	176	platform_device_register(&overo_smsc911x_device);
	177	}
	178
	179	#else
	180	static inline void __init overo_init_smsc911x(void) { return; }
	181	#endif
	182
eba2645a SS	183	static struct mtd_partition overo_nand_partitions[] = {
	184	{
	185	.name = "xloader",
	186	.offset = 0, /* Offset = 0x00000 */
	187	.size = 4 * NAND_BLOCK_SIZE,
	188	.mask_flags = MTD_WRITEABLE
	189	},
	190	{
	191	.name = "uboot",
	192	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	193	.size = 14 * NAND_BLOCK_SIZE,
	194	},
	195	{
	196	.name = "uboot environment",
	197	.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
	198	.size = 2 * NAND_BLOCK_SIZE,
	199	},
	200	{
	201	.name = "linux",
	202	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	203	.size = 32 * NAND_BLOCK_SIZE,
	204	},
	205	{
	206	.name = "rootfs",
	207	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	208	.size = MTDPART_SIZ_FULL,
	209	},
	210	};
	211
	212	static struct omap_nand_platform_data overo_nand_data = {
	213	.parts = overo_nand_partitions,
	214	.nr_parts = ARRAY_SIZE(overo_nand_partitions),
	215	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	216	};
	217
	218	static struct resource overo_nand_resource = {
	219	.flags = IORESOURCE_MEM,
	220	};
	221
	222	static struct platform_device overo_nand_device = {
	223	.name = "omap2-nand",
	224	.id = -1,
	225	.dev = {
	226	.platform_data = &overo_nand_data,
	227	},
	228	.num_resources = 1,
	229	.resource = &overo_nand_resource,
	230	};
	231
	232
	233	static void __init overo_flash_init(void)
	234	{
	235	u8 cs = 0;
	236	u8 nandcs = GPMC_CS_NUM + 1;
	237
	238	u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
	239
	240	/* find out the chip-select on which NAND exists */
	241	while (cs < GPMC_CS_NUM) {
	242	u32 ret = 0;
	243	ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
	244
	245	if ((ret & 0xC00) == 0x800) {
	246	printk(KERN_INFO "Found NAND on CS%d\n", cs);
247	if (nandcs > GPMC_CS_NUM)
248	nandcs = cs;
249	}
250	cs++;
251	}
252
253	if (nandcs > GPMC_CS_NUM) {
254	printk(KERN_INFO "NAND: Unable to find configuration "
255	"in GPMC\n ");
256	return;
257	}
258
259	if (nandcs < GPMC_CS_NUM) {
260	overo_nand_data.cs = nandcs;
261	overo_nand_data.gpmc_cs_baseaddr = (void *)
262	(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
263	overo_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
264
265	printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
266	if (platform_device_register(&overo_nand_device) < 0)
267	printk(KERN_ERR "Unable to register NAND device\n");
268	}
269	}
270	static struct omap_uart_config overo_uart_config __initdata = {
271	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
272	};
273
90c62bf0 TL	274	static struct twl4030_gpio_platform_data overo_gpio_data = {
	275	.gpio_base = OMAP_MAX_GPIO_LINES,
	276	.irq_base = TWL4030_GPIO_IRQ_BASE,
	277	.irq_end = TWL4030_GPIO_IRQ_END,
	278	};
	279
	280	static struct twl4030_platform_data overo_twldata = {
	281	.irq_base = TWL4030_IRQ_BASE,
	282	.irq_end = TWL4030_IRQ_END,
	283	.gpio = &overo_gpio_data,
	284	};
	285
	286	static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
	287	{
	288	I2C_BOARD_INFO("twl4030", 0x48),
	289	.flags = I2C_CLIENT_WAKE,
	290	.irq = INT_34XX_SYS_NIRQ,
	291	.platform_data = &overo_twldata,
	292	},
	293	};
	294
eba2645a SS	295	static int __init overo_i2c_init(void)
eba2645a SS	296	{
90c62bf0 TL	297	omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
90c62bf0 TL	298	ARRAY_SIZE(overo_i2c_boardinfo));
eba2645a SS	299	/* i2c2 pins are used for gpio */
	300	omap_register_i2c_bus(3, 400, NULL, 0);
	301	return 0;
	302	}
	303
	304	static void __init overo_init_irq(void)
	305	{
2f3ec501	306	omap2_init_common_hw(NULL);
eba2645a SS	307	omap_init_irq();
	308	omap_gpio_init();
	309	}
	310
	311	static struct platform_device overo_lcd_device = {
	312	.name = "overo_lcd",
	313	.id = -1,
	314	};
	315
	316	static struct omap_lcd_config overo_lcd_config __initdata = {
	317	.ctrl_name = "internal",
	318	};
	319
	320	static struct omap_board_config_kernel overo_config[] __initdata = {
	321	{ OMAP_TAG_UART, &overo_uart_config },
	322	{ OMAP_TAG_LCD, &overo_lcd_config },
	323	};
	324
	325	static struct platform_device *overo_devices[] __initdata = {
	326	&overo_lcd_device,
	327	};
	328
90c62bf0 TL	329	static struct twl4030_hsmmc_info mmc[] __initdata = {
	330	{
	331	.mmc = 1,
	332	.wires = 4,
	333	.gpio_cd = -EINVAL,
	334	.gpio_wp = -EINVAL,
	335	},
	336	{
	337	.mmc = 2,
	338	.wires = 4,
	339	.gpio_cd = -EINVAL,
	340	.gpio_wp = -EINVAL,
0329c377	341	.transceiver = true,
90c62bf0 TL	342	},
	343	{} /* Terminator */
	344	};
	345
eba2645a SS	346	static void __init overo_init(void)
	347	{
	348	overo_i2c_init();
	349	platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
	350	omap_board_config = overo_config;
	351	omap_board_config_size = ARRAY_SIZE(overo_config);
	352	omap_serial_init();
90c62bf0	353	twl4030_mmc_init(mmc);
eba2645a	354	overo_flash_init();
18cb7aca	355	usb_musb_init();
c6a81316	356	overo_ads7846_init();
172ef275	357	overo_init_smsc911x();
eba2645a SS	358
	359	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
	360	"OVERO_GPIO_W2W_NRESET") == 0) &&
	361	(gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
	362	gpio_export(OVERO_GPIO_W2W_NRESET, 0);
	363	gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
	364	udelay(10);
	365	gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	366	} else {
	367	printk(KERN_ERR "could not obtain gpio for "
	368	"OVERO_GPIO_W2W_NRESET\n");
	369	}
	370
	371	if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
	372	(gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
	373	gpio_export(OVERO_GPIO_BT_XGATE, 0);
	374	else
	375	printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
	376
	377	if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
	378	(gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
	379	gpio_export(OVERO_GPIO_BT_NRESET, 0);
	380	gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
	381	mdelay(6);
	382	gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
	383	} else {
	384	printk(KERN_ERR "could not obtain gpio for "
	385	"OVERO_GPIO_BT_NRESET\n");
	386	}
	387
	388	if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
	389	(gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
	390	gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	391	else
	392	printk(KERN_ERR "could not obtain gpio for "
	393	"OVERO_GPIO_USBH_CPEN\n");
	394
	395	if ((gpio_request(OVERO_GPIO_USBH_NRESET,
	396	"OVERO_GPIO_USBH_NRESET") == 0) &&
	397	(gpio_direction_output(OVERO_GPIO_USBH_NRESET, 1) == 0))
	398	gpio_export(OVERO_GPIO_USBH_NRESET, 0);
	399	else
	400	printk(KERN_ERR "could not obtain gpio for "
	401	"OVERO_GPIO_USBH_NRESET\n");
	402	}
	403
	404	static void __init overo_map_io(void)
	405	{
	406	omap2_set_globals_343x();
	407	omap2_map_common_io();
	408	}
	409
	410	MACHINE_START(OVERO, "Gumstix Overo")
	411	.phys_io = 0x48000000,
	412	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	413	.boot_params = 0x80000100,
	414	.map_io = overo_map_io,
	415	.init_irq = overo_init_irq,
	416	.init_machine = overo_init,
	417	.timer = &omap_timer,
	418	MACHINE_END