[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/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/mux.h>
#include <plat/usb.h>

#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "mmc-twl4030.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 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 <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 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 twl4030_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)
{
	twl4030_mmc_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 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 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();
	usb_ehci_init(&ehci_pdata);
	overo_ads7846_init();
	overo_init_smsc911x();

	/* Ensure SDRC pins are mux'd for self-refresh */
	omap_cfg_reg(H16_34XX_SDRC_CKE0);
	omap_cfg_reg(H17_34XX_SDRC_CKE1);

	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");
}

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	= ((0xfa000000) >> 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>
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 TL	46	#include <plat/nand.h>
	47	#include <plat/mux.h>
	48	#include <plat/usb.h>
eba2645a	49
ca5742bd	50	#include "mux.h"
2e12bd7e	51	#include "sdram-micron-mt46h32m32lf-6.h"
90c62bf0 TL	52	#include "mmc-twl4030.h"
90c62bf0 TL	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 SS	61	#define NAND_BLOCK_SIZE SZ_128K
	62	#define GPMC_CS0_BASE 0x60
	63	#define GPMC_CS_SIZE 0x30
	64
172ef275 SS	65	#define OVERO_SMSC911X_CS 5
	66	#define OVERO_SMSC911X_GPIO 176
	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
	141	static struct smsc911x_platform_config overo_smsc911x_config = {
	142	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	143	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	144	.flags = SMSC911X_USE_32BIT ,
	145	.phy_interface = PHY_INTERFACE_MODE_MII,
	146	};
	147
	148	static struct platform_device overo_smsc911x_device = {
	149	.name = "smsc911x",
	150	.id = -1,
	151	.num_resources = ARRAY_SIZE(overo_smsc911x_resources),
5032902c	152	.resource = overo_smsc911x_resources,
172ef275 SS	153	.dev = {
	154	.platform_data = &overo_smsc911x_config,
	155	},
	156	};
	157
	158	static inline void __init overo_init_smsc911x(void)
	159	{
	160	unsigned long cs_mem_base;
	161
	162	if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
	163	printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
	164	return;
	165	}
	166
	167	overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
	168	overo_smsc911x_resources[0].end = cs_mem_base + 0xff;
	169
	170	if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
	171	(gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
	172	gpio_export(OVERO_SMSC911X_GPIO, 0);
	173	} else {
	174	printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
	175	return;
	176	}
	177
	178	overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
	179	overo_smsc911x_resources[1].end = 0;
	180
	181	platform_device_register(&overo_smsc911x_device);
	182	}
	183
	184	#else
	185	static inline void __init overo_init_smsc911x(void) { return; }
	186	#endif
	187
eba2645a SS	188	static struct mtd_partition overo_nand_partitions[] = {
	189	{
	190	.name = "xloader",
	191	.offset = 0, /* Offset = 0x00000 */
	192	.size = 4 * NAND_BLOCK_SIZE,
	193	.mask_flags = MTD_WRITEABLE
	194	},
	195	{
	196	.name = "uboot",
	197	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	198	.size = 14 * NAND_BLOCK_SIZE,
	199	},
	200	{
	201	.name = "uboot environment",
	202	.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
	203	.size = 2 * NAND_BLOCK_SIZE,
	204	},
	205	{
	206	.name = "linux",
	207	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	208	.size = 32 * NAND_BLOCK_SIZE,
	209	},
	210	{
	211	.name = "rootfs",
	212	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	213	.size = MTDPART_SIZ_FULL,
	214	},
	215	};
	216
	217	static struct omap_nand_platform_data overo_nand_data = {
	218	.parts = overo_nand_partitions,
	219	.nr_parts = ARRAY_SIZE(overo_nand_partitions),
	220	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	221	};
	222
	223	static struct resource overo_nand_resource = {
	224	.flags = IORESOURCE_MEM,
	225	};
	226
	227	static struct platform_device overo_nand_device = {
	228	.name = "omap2-nand",
	229	.id = -1,
	230	.dev = {
	231	.platform_data = &overo_nand_data,
	232	},
	233	.num_resources = 1,
	234	.resource = &overo_nand_resource,
	235	};
	236
	237
	238	static void __init overo_flash_init(void)
	239	{
	240	u8 cs = 0;
	241	u8 nandcs = GPMC_CS_NUM + 1;
	242
	243	u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
	244
	245	/* find out the chip-select on which NAND exists */
	246	while (cs < GPMC_CS_NUM) {
	247	u32 ret = 0;
	248	ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
	249
	250	if ((ret & 0xC00) == 0x800) {
	251	printk(KERN_INFO "Found NAND on CS%d\n", cs);
252	if (nandcs > GPMC_CS_NUM)
253	nandcs = cs;
254	}
255	cs++;
256	}
257
258	if (nandcs > GPMC_CS_NUM) {
259	printk(KERN_INFO "NAND: Unable to find configuration "
260	"in GPMC\n ");
261	return;
262	}
263
264	if (nandcs < GPMC_CS_NUM) {
265	overo_nand_data.cs = nandcs;
266	overo_nand_data.gpmc_cs_baseaddr = (void *)
267	(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
268	overo_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
269
270	printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
271	if (platform_device_register(&overo_nand_device) < 0)
272	printk(KERN_ERR "Unable to register NAND device\n");
273	}
274	}
eba2645a	275
bb3b9d8e DB	276	static struct twl4030_hsmmc_info mmc[] = {
	277	{
	278	.mmc = 1,
	279	.wires = 4,
	280	.gpio_cd = -EINVAL,
	281	.gpio_wp = -EINVAL,
	282	},
	283	{
	284	.mmc = 2,
	285	.wires = 4,
	286	.gpio_cd = -EINVAL,
	287	.gpio_wp = -EINVAL,
	288	.transceiver = true,
	289	.ocr_mask = 0x00100000, /* 3.3V */
	290	},
	291	{} /* Terminator */
	292	};
	293
	294	static struct regulator_consumer_supply overo_vmmc1_supply = {
	295	.supply = "vmmc",
	296	};
	297
	298	static int overo_twl_gpio_setup(struct device *dev,
	299	unsigned gpio, unsigned ngpio)
	300	{
	301	twl4030_mmc_init(mmc);
	302
	303	overo_vmmc1_supply.dev = mmc[0].dev;
	304
	305	return 0;
	306	}
	307
90c62bf0 TL	308	static struct twl4030_gpio_platform_data overo_gpio_data = {
	309	.gpio_base = OMAP_MAX_GPIO_LINES,
	310	.irq_base = TWL4030_GPIO_IRQ_BASE,
	311	.irq_end = TWL4030_GPIO_IRQ_END,
bb3b9d8e DB	312	.setup = overo_twl_gpio_setup,
	313	};
	314
	315	static struct twl4030_usb_data overo_usb_data = {
	316	.usb_mode = T2_USB_MODE_ULPI,
	317	};
	318
	319	static struct regulator_init_data overo_vmmc1 = {
	320	.constraints = {
	321	.min_uV = 1850000,
	322	.max_uV = 3150000,
	323	.valid_modes_mask = REGULATOR_MODE_NORMAL
	324	\| REGULATOR_MODE_STANDBY,
	325	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	326	\| REGULATOR_CHANGE_MODE
	327	\| REGULATOR_CHANGE_STATUS,
	328	},
	329	.num_consumer_supplies = 1,
	330	.consumer_supplies = &overo_vmmc1_supply,
90c62bf0 TL	331	};
90c62bf0 TL	332
e86fa0b4 PU	333	static struct twl4030_codec_audio_data overo_audio_data = {
	334	.audio_mclk = 26000000,
	335	};
	336
	337	static struct twl4030_codec_data overo_codec_data = {
6df74efb	338	.audio_mclk = 26000000,
e86fa0b4 PU	339	.audio = &overo_audio_data,
	340	};
	341
bb3b9d8e DB	342	/* mmc2 (WLAN) and Bluetooth don't use twl4030 regulators */
bb3b9d8e DB	343
90c62bf0 TL	344	static struct twl4030_platform_data overo_twldata = {
	345	.irq_base = TWL4030_IRQ_BASE,
	346	.irq_end = TWL4030_IRQ_END,
	347	.gpio = &overo_gpio_data,
bb3b9d8e	348	.usb = &overo_usb_data,
e86fa0b4	349	.codec = &overo_codec_data,
bb3b9d8e	350	.vmmc1 = &overo_vmmc1,
90c62bf0 TL	351	};
	352
	353	static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
	354	{
bb3b9d8e	355	I2C_BOARD_INFO("tps65950", 0x48),
90c62bf0 TL	356	.flags = I2C_CLIENT_WAKE,
	357	.irq = INT_34XX_SYS_NIRQ,
	358	.platform_data = &overo_twldata,
	359	},
	360	};
	361
eba2645a SS	362	static int __init overo_i2c_init(void)
eba2645a SS	363	{
90c62bf0 TL	364	omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
90c62bf0 TL	365	ARRAY_SIZE(overo_i2c_boardinfo));
eba2645a SS	366	/* i2c2 pins are used for gpio */
	367	omap_register_i2c_bus(3, 400, NULL, 0);
	368	return 0;
	369	}
	370
eba2645a SS	371	static struct platform_device overo_lcd_device = {
	372	.name = "overo_lcd",
	373	.id = -1,
	374	};
	375
	376	static struct omap_lcd_config overo_lcd_config __initdata = {
	377	.ctrl_name = "internal",
	378	};
	379
	380	static struct omap_board_config_kernel overo_config[] __initdata = {
eba2645a SS	381	{ OMAP_TAG_LCD, &overo_lcd_config },
	382	};
	383
b3c6df3a PW	384	static void __init overo_init_irq(void)
	385	{
	386	omap_board_config = overo_config;
	387	omap_board_config_size = ARRAY_SIZE(overo_config);
	388	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
	389	mt46h32m32lf6_sdrc_params);
	390	omap_init_irq();
	391	omap_gpio_init();
	392	}
	393
eba2645a SS	394	static struct platform_device *overo_devices[] __initdata = {
	395	&overo_lcd_device,
	396	};
	397
58a5491c FB	398	static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
	399	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	400	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	401	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	402
	403	.phy_reset = true,
	404	.reset_gpio_port[0] = -EINVAL,
	405	.reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET,
	406	.reset_gpio_port[2] = -EINVAL
	407	};
	408
ca5742bd TL	409	#ifdef CONFIG_OMAP_MUX
	410	static struct omap_board_mux board_mux[] __initdata = {
	411	{ .reg_offset = OMAP_MUX_TERMINATOR },
	412	};
	413	#else
	414	#define board_mux NULL
	415	#endif
58a5491c	416
eba2645a SS	417	static void __init overo_init(void)
eba2645a SS	418	{
ca5742bd	419	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
eba2645a SS	420	overo_i2c_init();
eba2645a SS	421	platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
eba2645a SS	422	omap_serial_init();
eba2645a SS	423	overo_flash_init();
18cb7aca	424	usb_musb_init();
58a5491c	425	usb_ehci_init(&ehci_pdata);
c6a81316	426	overo_ads7846_init();
172ef275	427	overo_init_smsc911x();
eba2645a	428
9fb97412 JP	429	/* Ensure SDRC pins are mux'd for self-refresh */
	430	omap_cfg_reg(H16_34XX_SDRC_CKE0);
	431	omap_cfg_reg(H17_34XX_SDRC_CKE1);
	432
eba2645a SS	433	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
	434	"OVERO_GPIO_W2W_NRESET") == 0) &&
	435	(gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
	436	gpio_export(OVERO_GPIO_W2W_NRESET, 0);
	437	gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
	438	udelay(10);
	439	gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	440	} else {
	441	printk(KERN_ERR "could not obtain gpio for "
	442	"OVERO_GPIO_W2W_NRESET\n");
	443	}
	444
	445	if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
	446	(gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
	447	gpio_export(OVERO_GPIO_BT_XGATE, 0);
	448	else
	449	printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
	450
	451	if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
	452	(gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
	453	gpio_export(OVERO_GPIO_BT_NRESET, 0);
	454	gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
	455	mdelay(6);
	456	gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
	457	} else {
	458	printk(KERN_ERR "could not obtain gpio for "
	459	"OVERO_GPIO_BT_NRESET\n");
	460	}
	461
	462	if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
	463	(gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
	464	gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	465	else
	466	printk(KERN_ERR "could not obtain gpio for "
	467	"OVERO_GPIO_USBH_CPEN\n");
eba2645a SS	468	}
	469
	470	static void __init overo_map_io(void)
	471	{
	472	omap2_set_globals_343x();
	473	omap2_map_common_io();
	474	}
	475
	476	MACHINE_START(OVERO, "Gumstix Overo")
	477	.phys_io = 0x48000000,
b4224b23	478	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
eba2645a SS	479	.boot_params = 0x80000100,
	480	.map_io = overo_map_io,
	481	.init_irq = overo_init_irq,
	482	.init_machine = overo_init,
	483	.timer = &omap_timer,
	484	MACHINE_END