[net-next-2.6.git] / arch / arm / mach-omap2 / board-n8x0.c

/*
 * linux/arch/arm/mach-omap2/board-n8x0.c
 *
 * Copyright (C) 2005-2009 Nokia Corporation
 * Author: Juha Yrjola <juha.yrjola@nokia.com>
 *
 * Modified from mach-omap2/board-generic.c
 *
 * 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.
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/stddef.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>

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

#include <plat/board.h>
#include <plat/common.h>
#include <plat/menelaus.h>
#include <mach/irqs.h>
#include <plat/mcspi.h>
#include <plat/onenand.h>
#include <plat/mmc.h>
#include <plat/serial.h>

#include "mux.h"

static int slot1_cover_open;
static int slot2_cover_open;
static struct device *mmc_device;

#define TUSB6010_ASYNC_CS	1
#define TUSB6010_SYNC_CS	4
#define TUSB6010_GPIO_INT	58
#define TUSB6010_GPIO_ENABLE	0
#define TUSB6010_DMACHAN	0x3f

#if defined(CONFIG_USB_TUSB6010) || \
	defined(CONFIG_USB_TUSB6010_MODULE)
/*
 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
 * provide then PGOOD signal to TUSB6010 which will release it from reset.
 */
static int tusb_set_power(int state)
{
	int i, retval = 0;

	if (state) {
		gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
		msleep(1);

		/* Wait until TUSB6010 pulls INT pin down */
		i = 100;
		while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
			msleep(1);
			i--;
		}

		if (!i) {
			printk(KERN_ERR "tusb: powerup failed\n");
			retval = -ENODEV;
		}
	} else {
		gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
		msleep(10);
	}

	return retval;
}

static struct musb_hdrc_config musb_config = {
	.multipoint	= 1,
	.dyn_fifo	= 1,
	.num_eps	= 16,
	.ram_bits	= 12,
};

static struct musb_hdrc_platform_data tusb_data = {
#if defined(CONFIG_USB_MUSB_OTG)
	.mode		= MUSB_OTG,
#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
	.mode		= MUSB_PERIPHERAL,
#else /* defined(CONFIG_USB_MUSB_HOST) */
	.mode		= MUSB_HOST,
#endif
	.set_power	= tusb_set_power,
	.min_power	= 25,	/* x2 = 50 mA drawn from VBUS as peripheral */
	.power		= 100,	/* Max 100 mA VBUS for host mode */
	.config		= &musb_config,
};

static void __init n8x0_usb_init(void)
{
	int ret = 0;
	static char	announce[] __initdata = KERN_INFO "TUSB 6010\n";

	/* PM companion chip power control pin */
	ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
	if (ret != 0) {
		printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
		       TUSB6010_GPIO_ENABLE);
		return;
	}
	gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);

	tusb_set_power(0);

	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
					TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
					TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
	if (ret != 0)
		goto err;

	printk(announce);

	return;

err:
	gpio_free(TUSB6010_GPIO_ENABLE);
}
#else

static void __init n8x0_usb_init(void) {}

#endif /*CONFIG_USB_TUSB6010 */


static struct omap2_mcspi_device_config p54spi_mcspi_config = {
	.turbo_mode	= 0,
	.single_channel = 1,
};

static struct spi_board_info n800_spi_board_info[] __initdata = {
	{
		.modalias	= "p54spi",
		.bus_num	= 2,
		.chip_select	= 0,
		.max_speed_hz   = 48000000,
		.controller_data = &p54spi_mcspi_config,
	},
};

#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)

static struct mtd_partition onenand_partitions[] = {
	{
		.name           = "bootloader",
		.offset         = 0,
		.size           = 0x20000,
		.mask_flags     = MTD_WRITEABLE,	/* Force read-only */
	},
	{
		.name           = "config",
		.offset         = MTDPART_OFS_APPEND,
		.size           = 0x60000,
	},
	{
		.name           = "kernel",
		.offset         = MTDPART_OFS_APPEND,
		.size           = 0x200000,
	},
	{
		.name           = "initfs",
		.offset         = MTDPART_OFS_APPEND,
		.size           = 0x400000,
	},
	{
		.name           = "rootfs",
		.offset         = MTDPART_OFS_APPEND,
		.size           = MTDPART_SIZ_FULL,
	},
};

static struct omap_onenand_platform_data board_onenand_data = {
	.cs		= 0,
	.gpio_irq	= 26,
	.parts		= onenand_partitions,
	.nr_parts	= ARRAY_SIZE(onenand_partitions),
	.flags		= ONENAND_SYNC_READ,
};

static void __init n8x0_onenand_init(void)
{
	gpmc_onenand_init(&board_onenand_data);
}

#else

static void __init n8x0_onenand_init(void) {}

#endif

#if defined(CONFIG_MENELAUS) &&						\
	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))

/*
 * On both N800 and N810, only the first of the two MMC controllers is in use.
 * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
 * On N800, both slots are powered via Menelaus. On N810, only one of the
 * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
 *
 * VMMC				slot 1 on both N800 and N810
 * VDCDC3_APE and VMCS2_APE	slot 2 on N800
 * GPIO23 and GPIO9		slot 2 EMMC on N810
 *
 */
#define N8X0_SLOT_SWITCH_GPIO	96
#define N810_EMMC_VSD_GPIO	23
#define N810_EMMC_VIO_GPIO	9

static int n8x0_mmc_switch_slot(struct device *dev, int slot)
{
#ifdef CONFIG_MMC_DEBUG
	dev_dbg(dev, "Choose slot %d\n", slot + 1);
#endif
	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
	return 0;
}

static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
					int power_on, int vdd)
{
	int mV;

#ifdef CONFIG_MMC_DEBUG
	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
		power_on ? "on" : "off", vdd);
#endif
	if (slot == 0) {
		if (!power_on)
			return menelaus_set_vmmc(0);
		switch (1 << vdd) {
		case MMC_VDD_33_34:
		case MMC_VDD_32_33:
		case MMC_VDD_31_32:
			mV = 3100;
			break;
		case MMC_VDD_30_31:
			mV = 3000;
			break;
		case MMC_VDD_28_29:
			mV = 2800;
			break;
		case MMC_VDD_165_195:
			mV = 1850;
			break;
		default:
			BUG();
		}
		return menelaus_set_vmmc(mV);
	} else {
		if (!power_on)
			return menelaus_set_vdcdc(3, 0);
		switch (1 << vdd) {
		case MMC_VDD_33_34:
		case MMC_VDD_32_33:
			mV = 3300;
			break;
		case MMC_VDD_30_31:
		case MMC_VDD_29_30:
			mV = 3000;
			break;
		case MMC_VDD_28_29:
		case MMC_VDD_27_28:
			mV = 2800;
			break;
		case MMC_VDD_24_25:
		case MMC_VDD_23_24:
			mV = 2400;
			break;
		case MMC_VDD_22_23:
		case MMC_VDD_21_22:
			mV = 2200;
			break;
		case MMC_VDD_20_21:
			mV = 2000;
			break;
		case MMC_VDD_165_195:
			mV = 1800;
			break;
		default:
			BUG();
		}
		return menelaus_set_vdcdc(3, mV);
	}
	return 0;
}

static void n810_set_power_emmc(struct device *dev,
					 int power_on)
{
	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");

	if (power_on) {
		gpio_set_value(N810_EMMC_VSD_GPIO, 1);
		msleep(1);
		gpio_set_value(N810_EMMC_VIO_GPIO, 1);
		msleep(1);
	} else {
		gpio_set_value(N810_EMMC_VIO_GPIO, 0);
		msleep(50);
		gpio_set_value(N810_EMMC_VSD_GPIO, 0);
		msleep(50);
	}
}

static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
			      int vdd)
{
	if (machine_is_nokia_n800() || slot == 0)
		return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);

	n810_set_power_emmc(dev, power_on);

	return 0;
}

static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
{
	int r;

	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
		bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
	BUG_ON(slot != 0 && slot != 1);
	slot++;
	switch (bus_mode) {
	case MMC_BUSMODE_OPENDRAIN:
		r = menelaus_set_mmc_opendrain(slot, 1);
		break;
	case MMC_BUSMODE_PUSHPULL:
		r = menelaus_set_mmc_opendrain(slot, 0);
		break;
	default:
		BUG();
	}
	if (r != 0 && printk_ratelimit())
		dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
			slot);
	return r;
}

static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
{
	slot++;
	BUG_ON(slot != 1 && slot != 2);
	if (slot == 1)
		return slot1_cover_open;
	else
		return slot2_cover_open;
}

static void n8x0_mmc_callback(void *data, u8 card_mask)
{
	int bit, *openp, index;

	if (machine_is_nokia_n800()) {
		bit = 1 << 1;
		openp = &slot2_cover_open;
		index = 1;
	} else {
		bit = 1;
		openp = &slot1_cover_open;
		index = 0;
	}

	if (card_mask & bit)
		*openp = 1;
	else
		*openp = 0;

	omap_mmc_notify_cover_event(mmc_device, index, *openp);
}

void n8x0_mmc_slot1_cover_handler(void *arg, int closed_state)
{
	if (mmc_device == NULL)
		return;

	slot1_cover_open = !closed_state;
	omap_mmc_notify_cover_event(mmc_device, 0, closed_state);
}

static int n8x0_mmc_late_init(struct device *dev)
{
	int r, bit, *openp;
	int vs2sel;

	mmc_device = dev;

	r = menelaus_set_slot_sel(1);
	if (r < 0)
		return r;

	if (machine_is_nokia_n800())
		vs2sel = 0;
	else
		vs2sel = 2;

	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
	if (r < 0)
		return r;

	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);

	r = menelaus_set_mmc_slot(1, 1, 0, 1);
	if (r < 0)
		return r;
	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
	if (r < 0)
		return r;

	r = menelaus_get_slot_pin_states();
	if (r < 0)
		return r;

	if (machine_is_nokia_n800()) {
		bit = 1 << 1;
		openp = &slot2_cover_open;
	} else {
		bit = 1;
		openp = &slot1_cover_open;
		slot2_cover_open = 0;
	}

	/* All slot pin bits seem to be inversed until first switch change */
	if (r == 0xf || r == (0xf & ~bit))
		r = ~r;

	if (r & bit)
		*openp = 1;
	else
		*openp = 0;

	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);

	return r;
}

static void n8x0_mmc_shutdown(struct device *dev)
{
	int vs2sel;

	if (machine_is_nokia_n800())
		vs2sel = 0;
	else
		vs2sel = 2;

	menelaus_set_mmc_slot(1, 0, 0, 0);
	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
}

static void n8x0_mmc_cleanup(struct device *dev)
{
	menelaus_unregister_mmc_callback();

	gpio_free(N8X0_SLOT_SWITCH_GPIO);

	if (machine_is_nokia_n810()) {
		gpio_free(N810_EMMC_VSD_GPIO);
		gpio_free(N810_EMMC_VIO_GPIO);
	}
}

/*
 * MMC controller1 has two slots that are multiplexed via I2C.
 * MMC controller2 is not in use.
 */
static struct omap_mmc_platform_data mmc1_data = {
	.nr_slots			= 2,
	.switch_slot			= n8x0_mmc_switch_slot,
	.init				= n8x0_mmc_late_init,
	.cleanup			= n8x0_mmc_cleanup,
	.shutdown			= n8x0_mmc_shutdown,
	.max_freq			= 24000000,
	.dma_mask			= 0xffffffff,
	.slots[0] = {
		.wires			= 4,
		.set_power		= n8x0_mmc_set_power,
		.set_bus_mode		= n8x0_mmc_set_bus_mode,
		.get_cover_state	= n8x0_mmc_get_cover_state,
		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_30_31 |
						MMC_VDD_32_33   | MMC_VDD_33_34,
		.name			= "internal",
	},
	.slots[1] = {
		.set_power		= n8x0_mmc_set_power,
		.set_bus_mode		= n8x0_mmc_set_bus_mode,
		.get_cover_state	= n8x0_mmc_get_cover_state,
		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_20_21 |
						MMC_VDD_21_22 | MMC_VDD_22_23 |
						MMC_VDD_23_24 | MMC_VDD_24_25 |
						MMC_VDD_27_28 | MMC_VDD_28_29 |
						MMC_VDD_29_30 | MMC_VDD_30_31 |
						MMC_VDD_32_33 | MMC_VDD_33_34,
		.name			= "external",
	},
};

static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];

void __init n8x0_mmc_init(void)

{
	int err;

	if (machine_is_nokia_n810()) {
		mmc1_data.slots[0].name = "external";

		/*
		 * Some Samsung Movinand chips do not like open-ended
		 * multi-block reads and fall to braind-dead state
		 * while doing so. Reducing the number of blocks in
		 * the transfer or delays in clock disable do not help
		 */
		mmc1_data.slots[1].name = "internal";
		mmc1_data.slots[1].ban_openended = 1;
	}

	err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
	if (err)
		return;

	gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);

	if (machine_is_nokia_n810()) {
		err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
		if (err) {
			gpio_free(N8X0_SLOT_SWITCH_GPIO);
			return;
		}
		gpio_direction_output(N810_EMMC_VSD_GPIO, 0);

		err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
		if (err) {
			gpio_free(N8X0_SLOT_SWITCH_GPIO);
			gpio_free(N810_EMMC_VSD_GPIO);
			return;
		}
		gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
	}

	mmc_data[0] = &mmc1_data;
	omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
}
#else

void __init n8x0_mmc_init(void)
{
}

void n8x0_mmc_slot1_cover_handler(void *arg, int state)
{
}

#endif	/* CONFIG_MMC_OMAP */

#ifdef CONFIG_MENELAUS

static int n8x0_auto_sleep_regulators(void)
{
	u32 val;
	int ret;

	val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
		| EN_VAUX_SLEEP | EN_VIO_SLEEP \
		| EN_VMEM_SLEEP | EN_DC3_SLEEP \
		| EN_VC_SLEEP | EN_DC2_SLEEP;

	ret = menelaus_set_regulator_sleep(1, val);
	if (ret < 0) {
		printk(KERN_ERR "Could not set regulators to sleep on "
			"menelaus: %u\n", ret);
		return ret;
	}
	return 0;
}

static int n8x0_auto_voltage_scale(void)
{
	int ret;

	ret = menelaus_set_vcore_hw(1400, 1050);
	if (ret < 0) {
		printk(KERN_ERR "Could not set VCORE voltage on "
			"menelaus: %u\n", ret);
		return ret;
	}
	return 0;
}

static int n8x0_menelaus_late_init(struct device *dev)
{
	int ret;

	ret = n8x0_auto_voltage_scale();
	if (ret < 0)
		return ret;
	ret = n8x0_auto_sleep_regulators();
	if (ret < 0)
		return ret;
	return 0;
}

static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] = {
	{
		I2C_BOARD_INFO("menelaus", 0x72),
		.irq = INT_24XX_SYS_NIRQ,
	},
};

static struct menelaus_platform_data n8x0_menelaus_platform_data = {
	.late_init = n8x0_menelaus_late_init,
};

static void __init n8x0_menelaus_init(void)
{
	n8x0_i2c_board_info_1[0].platform_data = &n8x0_menelaus_platform_data;
	omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
			      ARRAY_SIZE(n8x0_i2c_board_info_1));
}

#else
static inline void __init n8x0_menelaus_init(void)
{
}
#endif

static void __init n8x0_map_io(void)
{
	omap2_set_globals_242x();
	omap242x_map_common_io();
}

static void __init n8x0_init_irq(void)
{
	omap2_init_common_hw(NULL, NULL);
	omap_init_irq();
	omap_gpio_init();
}

#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 n8x0_init_machine(void)
{
	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
	/* FIXME: add n810 spi devices */
	spi_register_board_info(n800_spi_board_info,
				ARRAY_SIZE(n800_spi_board_info));

	omap_serial_init();
	n8x0_menelaus_init();
	n8x0_onenand_init();
	n8x0_mmc_init();
	n8x0_usb_init();
}

MACHINE_START(NOKIA_N800, "Nokia N800")
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= n8x0_map_io,
	.init_irq	= n8x0_init_irq,
	.init_machine	= n8x0_init_machine,
	.timer		= &omap_timer,
MACHINE_END

MACHINE_START(NOKIA_N810, "Nokia N810")
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= n8x0_map_io,
	.init_irq	= n8x0_init_irq,
	.init_machine	= n8x0_init_machine,
	.timer		= &omap_timer,
MACHINE_END

MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
	.boot_params	= 0x80000100,
	.map_io		= n8x0_map_io,
	.init_irq	= n8x0_init_irq,
	.init_machine	= n8x0_init_machine,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
63138812 KV	1	/*
	2	* linux/arch/arm/mach-omap2/board-n8x0.c
	3	*
	4	* Copyright (C) 2005-2009 Nokia Corporation
	5	* Author: Juha Yrjola <juha.yrjola@nokia.com>
	6	*
	7	* Modified from mach-omap2/board-generic.c
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*/
	13
	14	#include <linux/clk.h>
	15	#include <linux/delay.h>
	16	#include <linux/gpio.h>
	17	#include <linux/init.h>
	18	#include <linux/io.h>
	19	#include <linux/stddef.h>
9418c65f	20	#include <linux/i2c.h>
63138812 KV	21	#include <linux/spi/spi.h>
	22	#include <linux/usb/musb.h>
	23
	24	#include <asm/mach/arch.h>
	25	#include <asm/mach-types.h>
	26
ce491cf8 TL	27	#include <plat/board.h>
ce491cf8 TL	28	#include <plat/common.h>
9418c65f	29	#include <plat/menelaus.h>
63138812	30	#include <mach/irqs.h>
ce491cf8 TL	31	#include <plat/mcspi.h>
ce491cf8 TL	32	#include <plat/onenand.h>
9418c65f	33	#include <plat/mmc.h>
ce491cf8	34	#include <plat/serial.h>
63138812	35
bd8f0fc9 TL	36	#include "mux.h"
bd8f0fc9 TL	37
9418c65f TL	38	static int slot1_cover_open;
	39	static int slot2_cover_open;
	40	static struct device *mmc_device;
	41
97b9ad16 FA	42	#define TUSB6010_ASYNC_CS 1
	43	#define TUSB6010_SYNC_CS 4
	44	#define TUSB6010_GPIO_INT 58
	45	#define TUSB6010_GPIO_ENABLE 0
	46	#define TUSB6010_DMACHAN 0x3f
	47
	48	#if defined(CONFIG_USB_TUSB6010) \|\| \
	49	defined(CONFIG_USB_TUSB6010_MODULE)
	50	/*
	51	* Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
	52	* 1.5 V voltage regulators of PM companion chip. Companion chip will then
	53	* provide then PGOOD signal to TUSB6010 which will release it from reset.
	54	*/
	55	static int tusb_set_power(int state)
	56	{
	57	int i, retval = 0;
	58
	59	if (state) {
	60	gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
	61	msleep(1);
	62
	63	/* Wait until TUSB6010 pulls INT pin down */
	64	i = 100;
	65	while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
	66	msleep(1);
	67	i--;
	68	}
	69
	70	if (!i) {
	71	printk(KERN_ERR "tusb: powerup failed\n");
	72	retval = -ENODEV;
	73	}
	74	} else {
	75	gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
	76	msleep(10);
	77	}
	78
	79	return retval;
	80	}
	81
	82	static struct musb_hdrc_config musb_config = {
	83	.multipoint = 1,
	84	.dyn_fifo = 1,
	85	.num_eps = 16,
	86	.ram_bits = 12,
	87	};
	88
	89	static struct musb_hdrc_platform_data tusb_data = {
	90	#if defined(CONFIG_USB_MUSB_OTG)
	91	.mode = MUSB_OTG,
	92	#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
	93	.mode = MUSB_PERIPHERAL,
	94	#else /* defined(CONFIG_USB_MUSB_HOST) */
	95	.mode = MUSB_HOST,
	96	#endif
	97	.set_power = tusb_set_power,
	98	.min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
	99	.power = 100, /* Max 100 mA VBUS for host mode */
	100	.config = &musb_config,
	101	};
	102
	103	static void __init n8x0_usb_init(void)
	104	{
	105	int ret = 0;
106	static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
107
108	/* PM companion chip power control pin */
109	ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
110	if (ret != 0) {
111	printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
112	TUSB6010_GPIO_ENABLE);
113	return;
114	}
115	gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
116
117	tusb_set_power(0);
118
119	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
120	TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
121	TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
122	if (ret != 0)
123	goto err;
124
125	printk(announce);
126
127	return;
128
129	err:
130	gpio_free(TUSB6010_GPIO_ENABLE);
131	}
132	#else
133
134	static void __init n8x0_usb_init(void) {}
135
136	#endif /CONFIG_USB_TUSB6010 /
137
138
63138812 KV	139	static struct omap2_mcspi_device_config p54spi_mcspi_config = {
	140	.turbo_mode = 0,
	141	.single_channel = 1,
	142	};
	143
	144	static struct spi_board_info n800_spi_board_info[] __initdata = {
	145	{
	146	.modalias = "p54spi",
	147	.bus_num = 2,
	148	.chip_select = 0,
	149	.max_speed_hz = 48000000,
	150	.controller_data = &p54spi_mcspi_config,
	151	},
	152	};
	153
	154	#if defined(CONFIG_MTD_ONENAND_OMAP2) \|\| \
	155	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
	156
	157	static struct mtd_partition onenand_partitions[] = {
	158	{
	159	.name = "bootloader",
	160	.offset = 0,
	161	.size = 0x20000,
	162	.mask_flags = MTD_WRITEABLE, /* Force read-only */
	163	},
	164	{
	165	.name = "config",
	166	.offset = MTDPART_OFS_APPEND,
	167	.size = 0x60000,
	168	},
	169	{
	170	.name = "kernel",
	171	.offset = MTDPART_OFS_APPEND,
	172	.size = 0x200000,
	173	},
	174	{
	175	.name = "initfs",
	176	.offset = MTDPART_OFS_APPEND,
	177	.size = 0x400000,
	178	},
	179	{
	180	.name = "rootfs",
	181	.offset = MTDPART_OFS_APPEND,
	182	.size = MTDPART_SIZ_FULL,
	183	},
	184	};
	185
	186	static struct omap_onenand_platform_data board_onenand_data = {
	187	.cs = 0,
	188	.gpio_irq = 26,
	189	.parts = onenand_partitions,
	190	.nr_parts = ARRAY_SIZE(onenand_partitions),
	191	.flags = ONENAND_SYNC_READ,
	192	};
	193
	194	static void __init n8x0_onenand_init(void)
	195	{
	196	gpmc_onenand_init(&board_onenand_data);
	197	}
	198
	199	#else
	200
	201	static void __init n8x0_onenand_init(void) {}
	202
203	#endif
204
9418c65f TL	205	#if defined(CONFIG_MENELAUS) && \
	206	(defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE))
	207
	208	/*
	209	* On both N800 and N810, only the first of the two MMC controllers is in use.
	210	* The two MMC slots are multiplexed via Menelaus companion chip over I2C.
	211	* On N800, both slots are powered via Menelaus. On N810, only one of the
	212	* slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
	213	*
	214	* VMMC slot 1 on both N800 and N810
	215	* VDCDC3_APE and VMCS2_APE slot 2 on N800
	216	* GPIO23 and GPIO9 slot 2 EMMC on N810
	217	*
	218	*/
	219	#define N8X0_SLOT_SWITCH_GPIO 96
	220	#define N810_EMMC_VSD_GPIO 23
1dea5c6b	221	#define N810_EMMC_VIO_GPIO 9
9418c65f TL	222
	223	static int n8x0_mmc_switch_slot(struct device *dev, int slot)
	224	{
	225	#ifdef CONFIG_MMC_DEBUG
	226	dev_dbg(dev, "Choose slot %d\n", slot + 1);
	227	#endif
	228	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
	229	return 0;
	230	}
	231
	232	static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
	233	int power_on, int vdd)
	234	{
	235	int mV;
	236
	237	#ifdef CONFIG_MMC_DEBUG
	238	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
	239	power_on ? "on" : "off", vdd);
	240	#endif
	241	if (slot == 0) {
	242	if (!power_on)
	243	return menelaus_set_vmmc(0);
	244	switch (1 << vdd) {
	245	case MMC_VDD_33_34:
	246	case MMC_VDD_32_33:
	247	case MMC_VDD_31_32:
	248	mV = 3100;
	249	break;
	250	case MMC_VDD_30_31:
	251	mV = 3000;
	252	break;
	253	case MMC_VDD_28_29:
	254	mV = 2800;
	255	break;
	256	case MMC_VDD_165_195:
	257	mV = 1850;
	258	break;
	259	default:
	260	BUG();
	261	}
	262	return menelaus_set_vmmc(mV);
	263	} else {
	264	if (!power_on)
	265	return menelaus_set_vdcdc(3, 0);
	266	switch (1 << vdd) {
	267	case MMC_VDD_33_34:
	268	case MMC_VDD_32_33:
	269	mV = 3300;
	270	break;
	271	case MMC_VDD_30_31:
	272	case MMC_VDD_29_30:
	273	mV = 3000;
	274	break;
	275	case MMC_VDD_28_29:
	276	case MMC_VDD_27_28:
	277	mV = 2800;
	278	break;
	279	case MMC_VDD_24_25:
	280	case MMC_VDD_23_24:
	281	mV = 2400;
	282	break;
	283	case MMC_VDD_22_23:
	284	case MMC_VDD_21_22:
	285	mV = 2200;
286	break;
287	case MMC_VDD_20_21:
288	mV = 2000;
289	break;
290	case MMC_VDD_165_195:
291	mV = 1800;
292	break;
293	default:
294	BUG();
295	}
296	return menelaus_set_vdcdc(3, mV);
297	}
298	return 0;
299	}
300
301	static void n810_set_power_emmc(struct device *dev,
302	int power_on)
303	{
304	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
305
306	if (power_on) {
307	gpio_set_value(N810_EMMC_VSD_GPIO, 1);
308	msleep(1);
1dea5c6b	309	gpio_set_value(N810_EMMC_VIO_GPIO, 1);
9418c65f TL	310	msleep(1);
9418c65f TL	311	} else {
1dea5c6b	312	gpio_set_value(N810_EMMC_VIO_GPIO, 0);
9418c65f TL	313	msleep(50);
	314	gpio_set_value(N810_EMMC_VSD_GPIO, 0);
	315	msleep(50);
	316	}
	317	}
	318
	319	static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
	320	int vdd)
	321	{
	322	if (machine_is_nokia_n800() \|\| slot == 0)
	323	return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
	324
	325	n810_set_power_emmc(dev, power_on);
	326
	327	return 0;
	328	}
	329
	330	static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
	331	{
	332	int r;
	333
	334	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
	335	bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
	336	BUG_ON(slot != 0 && slot != 1);
	337	slot++;
	338	switch (bus_mode) {
	339	case MMC_BUSMODE_OPENDRAIN:
	340	r = menelaus_set_mmc_opendrain(slot, 1);
	341	break;
	342	case MMC_BUSMODE_PUSHPULL:
	343	r = menelaus_set_mmc_opendrain(slot, 0);
	344	break;
	345	default:
	346	BUG();
	347	}
	348	if (r != 0 && printk_ratelimit())
	349	dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
	350	slot);
	351	return r;
	352	}
	353
	354	static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
	355	{
	356	slot++;
	357	BUG_ON(slot != 1 && slot != 2);
	358	if (slot == 1)
	359	return slot1_cover_open;
	360	else
	361	return slot2_cover_open;
	362	}
	363
	364	static void n8x0_mmc_callback(void *data, u8 card_mask)
	365	{
	366	int bit, *openp, index;
	367
	368	if (machine_is_nokia_n800()) {
	369	bit = 1 << 1;
	370	openp = &slot2_cover_open;
	371	index = 1;
	372	} else {
	373	bit = 1;
	374	openp = &slot1_cover_open;
	375	index = 0;
	376	}
377
378	if (card_mask & bit)
379	*openp = 1;
380	else
381	*openp = 0;
382
383	omap_mmc_notify_cover_event(mmc_device, index, *openp);
384	}
385
386	void n8x0_mmc_slot1_cover_handler(void *arg, int closed_state)
387	{
388	if (mmc_device == NULL)
389	return;
390
391	slot1_cover_open = !closed_state;
392	omap_mmc_notify_cover_event(mmc_device, 0, closed_state);
393	}
394
395	static int n8x0_mmc_late_init(struct device *dev)
396	{
397	int r, bit, *openp;
398	int vs2sel;
399
400	mmc_device = dev;
401
402	r = menelaus_set_slot_sel(1);
403	if (r < 0)
404	return r;
405
406	if (machine_is_nokia_n800())
407	vs2sel = 0;
408	else
409	vs2sel = 2;
410
411	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
412	if (r < 0)
413	return r;
414
415	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
416	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
417
418	r = menelaus_set_mmc_slot(1, 1, 0, 1);
419	if (r < 0)
420	return r;
421	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
422	if (r < 0)
423	return r;
424
425	r = menelaus_get_slot_pin_states();
426	if (r < 0)
427	return r;
428
429	if (machine_is_nokia_n800()) {
430	bit = 1 << 1;
431	openp = &slot2_cover_open;
432	} else {
433	bit = 1;
434	openp = &slot1_cover_open;
435	slot2_cover_open = 0;
436	}
437
438	/* All slot pin bits seem to be inversed until first switch change */
439	if (r == 0xf \|\| r == (0xf & ~bit))
440	r = ~r;
441
442	if (r & bit)
443	*openp = 1;
444	else
445	*openp = 0;
446
447	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
448
449	return r;
450	}
451
452	static void n8x0_mmc_shutdown(struct device *dev)
453	{
454	int vs2sel;
455
456	if (machine_is_nokia_n800())
457	vs2sel = 0;
458	else
459	vs2sel = 2;
460
461	menelaus_set_mmc_slot(1, 0, 0, 0);
462	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
463	}
464
465	static void n8x0_mmc_cleanup(struct device *dev)
466	{
467	menelaus_unregister_mmc_callback();
468
469	gpio_free(N8X0_SLOT_SWITCH_GPIO);
470
471	if (machine_is_nokia_n810()) {
472	gpio_free(N810_EMMC_VSD_GPIO);
1dea5c6b	473	gpio_free(N810_EMMC_VIO_GPIO);
9418c65f TL	474	}
	475	}
	476
	477	/*
	478	* MMC controller1 has two slots that are multiplexed via I2C.
	479	* MMC controller2 is not in use.
	480	*/
	481	static struct omap_mmc_platform_data mmc1_data = {
	482	.nr_slots = 2,
	483	.switch_slot = n8x0_mmc_switch_slot,
	484	.init = n8x0_mmc_late_init,
	485	.cleanup = n8x0_mmc_cleanup,
	486	.shutdown = n8x0_mmc_shutdown,
	487	.max_freq = 24000000,
	488	.dma_mask = 0xffffffff,
	489	.slots[0] = {
	490	.wires = 4,
	491	.set_power = n8x0_mmc_set_power,
	492	.set_bus_mode = n8x0_mmc_set_bus_mode,
	493	.get_cover_state = n8x0_mmc_get_cover_state,
	494	.ocr_mask = MMC_VDD_165_195 \| MMC_VDD_30_31 \|
	495	MMC_VDD_32_33 \| MMC_VDD_33_34,
	496	.name = "internal",
	497	},
	498	.slots[1] = {
	499	.set_power = n8x0_mmc_set_power,
	500	.set_bus_mode = n8x0_mmc_set_bus_mode,
	501	.get_cover_state = n8x0_mmc_get_cover_state,
	502	.ocr_mask = MMC_VDD_165_195 \| MMC_VDD_20_21 \|
	503	MMC_VDD_21_22 \| MMC_VDD_22_23 \|
	504	MMC_VDD_23_24 \| MMC_VDD_24_25 \|
	505	MMC_VDD_27_28 \| MMC_VDD_28_29 \|
	506	MMC_VDD_29_30 \| MMC_VDD_30_31 \|
	507	MMC_VDD_32_33 \| MMC_VDD_33_34,
	508	.name = "external",
	509	},
	510	};
	511
	512	static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
	513
	514	void __init n8x0_mmc_init(void)
	515
	516	{
	517	int err;
	518
	519	if (machine_is_nokia_n810()) {
	520	mmc1_data.slots[0].name = "external";
	521
	522	/*
	523	* Some Samsung Movinand chips do not like open-ended
	524	* multi-block reads and fall to braind-dead state
	525	* while doing so. Reducing the number of blocks in
	526	* the transfer or delays in clock disable do not help
	527	*/
	528	mmc1_data.slots[1].name = "internal";
	529	mmc1_data.slots[1].ban_openended = 1;
	530	}
	531
	532	err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
	533	if (err)
1dea5c6b	534	return;
9418c65f TL	535
	536	gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
	537
	538	if (machine_is_nokia_n810()) {
	539	err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
	540	if (err) {
	541	gpio_free(N8X0_SLOT_SWITCH_GPIO);
1dea5c6b	542	return;
9418c65f TL	543	}
	544	gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
	545
1dea5c6b	546	err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
9418c65f TL	547	if (err) {
	548	gpio_free(N8X0_SLOT_SWITCH_GPIO);
	549	gpio_free(N810_EMMC_VSD_GPIO);
1dea5c6b	550	return;
9418c65f	551	}
1dea5c6b	552	gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
9418c65f TL	553	}
	554
	555	mmc_data[0] = &mmc1_data;
	556	omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
	557	}
	558	#else
	559
	560	void __init n8x0_mmc_init(void)
	561	{
	562	}
	563
	564	void n8x0_mmc_slot1_cover_handler(void *arg, int state)
	565	{
	566	}
	567
	568	#endif /* CONFIG_MMC_OMAP */
	569
	570	#ifdef CONFIG_MENELAUS
	571
	572	static int n8x0_auto_sleep_regulators(void)
	573	{
	574	u32 val;
	575	int ret;
	576
	577	val = EN_VPLL_SLEEP \| EN_VMMC_SLEEP \
	578	\| EN_VAUX_SLEEP \| EN_VIO_SLEEP \
	579	\| EN_VMEM_SLEEP \| EN_DC3_SLEEP \
	580	\| EN_VC_SLEEP \| EN_DC2_SLEEP;
	581
	582	ret = menelaus_set_regulator_sleep(1, val);
	583	if (ret < 0) {
	584	printk(KERN_ERR "Could not set regulators to sleep on "
	585	"menelaus: %u\n", ret);
	586	return ret;
	587	}
	588	return 0;
	589	}
	590
	591	static int n8x0_auto_voltage_scale(void)
	592	{
	593	int ret;
	594
	595	ret = menelaus_set_vcore_hw(1400, 1050);
	596	if (ret < 0) {
	597	printk(KERN_ERR "Could not set VCORE voltage on "
	598	"menelaus: %u\n", ret);
	599	return ret;
	600	}
	601	return 0;
	602	}
	603
	604	static int n8x0_menelaus_late_init(struct device *dev)
	605	{
	606	int ret;
	607
	608	ret = n8x0_auto_voltage_scale();
	609	if (ret < 0)
	610	return ret;
	611	ret = n8x0_auto_sleep_regulators();
	612	if (ret < 0)
	613	return ret;
	614	return 0;
	615	}
	616
617	static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] = {
618	{
619	I2C_BOARD_INFO("menelaus", 0x72),
620	.irq = INT_24XX_SYS_NIRQ,
621	},
622	};
623
624	static struct menelaus_platform_data n8x0_menelaus_platform_data = {
625	.late_init = n8x0_menelaus_late_init,
626	};
627
628	static void __init n8x0_menelaus_init(void)
629	{
630	n8x0_i2c_board_info_1[0].platform_data = &n8x0_menelaus_platform_data;
631	omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
632	ARRAY_SIZE(n8x0_i2c_board_info_1));
633	}
634
635	#else
636	static inline void __init n8x0_menelaus_init(void)
637	{
638	}
639	#endif
640
63138812 KV	641	static void __init n8x0_map_io(void)
	642	{
	643	omap2_set_globals_242x();
6fbd55d0	644	omap242x_map_common_io();
63138812 KV	645	}
	646
	647	static void __init n8x0_init_irq(void)
	648	{
	649	omap2_init_common_hw(NULL, NULL);
	650	omap_init_irq();
	651	omap_gpio_init();
	652	}
	653
bd8f0fc9 TL	654	#ifdef CONFIG_OMAP_MUX
	655	static struct omap_board_mux board_mux[] __initdata = {
	656	{ .reg_offset = OMAP_MUX_TERMINATOR },
	657	};
	658	#else
	659	#define board_mux NULL
	660	#endif
	661
63138812 KV	662	static void __init n8x0_init_machine(void)
63138812 KV	663	{
bd8f0fc9	664	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
63138812 KV	665	/* FIXME: add n810 spi devices */
	666	spi_register_board_info(n800_spi_board_info,
	667	ARRAY_SIZE(n800_spi_board_info));
	668
	669	omap_serial_init();
9418c65f	670	n8x0_menelaus_init();
63138812	671	n8x0_onenand_init();
9418c65f	672	n8x0_mmc_init();
97b9ad16	673	n8x0_usb_init();
63138812 KV	674	}
	675
	676	MACHINE_START(NOKIA_N800, "Nokia N800")
	677	.phys_io = 0x48000000,
b4224b23	678	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
63138812 KV	679	.boot_params = 0x80000100,
	680	.map_io = n8x0_map_io,
	681	.init_irq = n8x0_init_irq,
	682	.init_machine = n8x0_init_machine,
	683	.timer = &omap_timer,
	684	MACHINE_END
	685
	686	MACHINE_START(NOKIA_N810, "Nokia N810")
	687	.phys_io = 0x48000000,
b4224b23	688	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
63138812 KV	689	.boot_params = 0x80000100,
	690	.map_io = n8x0_map_io,
	691	.init_irq = n8x0_init_irq,
	692	.init_machine = n8x0_init_machine,
	693	.timer = &omap_timer,
	694	MACHINE_END
	695
	696	MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
	697	.phys_io = 0x48000000,
b4224b23	698	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
63138812 KV	699	.boot_params = 0x80000100,
	700	.map_io = n8x0_map_io,
	701	.init_irq = n8x0_init_irq,
	702	.init_machine = n8x0_init_machine,
	703	.timer = &omap_timer,
	704	MACHINE_END