[deliverable/linux.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 <sound/tlv320aic3x.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>

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 aic3x_setup_data n810_aic33_setup = {
	.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
	.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
};

static struct aic3x_pdata n810_aic33_data = {
	.setup = &n810_aic33_setup,
	.gpio_reset = -1,
};

static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] = {
	{
		I2C_BOARD_INFO("menelaus", 0x72),
		.irq = INT_24XX_SYS_NIRQ,
	},
	{
		I2C_BOARD_INFO("tlv320aic3x", 0x1b),
		.platform_data = &n810_aic33_data,
	},
};

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();
}

static void __init n8x0_init_machine(void)
{
	/* 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>
63138812 KV	22	#include <linux/usb/musb.h>
f0fba2ad	23	#include <sound/tlv320aic3x.h>
63138812 KV	24
	25	#include <asm/mach/arch.h>
	26	#include <asm/mach-types.h>
	27
ce491cf8 TL	28	#include <plat/board.h>
ce491cf8 TL	29	#include <plat/common.h>
9418c65f	30	#include <plat/menelaus.h>
63138812	31	#include <mach/irqs.h>
ce491cf8 TL	32	#include <plat/mcspi.h>
ce491cf8 TL	33	#include <plat/onenand.h>
9418c65f	34	#include <plat/mmc.h>
ce491cf8	35	#include <plat/serial.h>
63138812	36
9418c65f TL	37	static int slot1_cover_open;
	38	static int slot2_cover_open;
	39	static struct device *mmc_device;
	40
97b9ad16 FA	41	#define TUSB6010_ASYNC_CS 1
	42	#define TUSB6010_SYNC_CS 4
	43	#define TUSB6010_GPIO_INT 58
	44	#define TUSB6010_GPIO_ENABLE 0
	45	#define TUSB6010_DMACHAN 0x3f
	46
	47	#if defined(CONFIG_USB_TUSB6010) \|\| \
	48	defined(CONFIG_USB_TUSB6010_MODULE)
	49	/*
	50	* Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
	51	* 1.5 V voltage regulators of PM companion chip. Companion chip will then
	52	* provide then PGOOD signal to TUSB6010 which will release it from reset.
	53	*/
	54	static int tusb_set_power(int state)
	55	{
	56	int i, retval = 0;
	57
	58	if (state) {
	59	gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
	60	msleep(1);
	61
	62	/* Wait until TUSB6010 pulls INT pin down */
	63	i = 100;
	64	while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
	65	msleep(1);
	66	i--;
	67	}
	68
	69	if (!i) {
	70	printk(KERN_ERR "tusb: powerup failed\n");
	71	retval = -ENODEV;
	72	}
	73	} else {
	74	gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
	75	msleep(10);
	76	}
	77
	78	return retval;
	79	}
	80
	81	static struct musb_hdrc_config musb_config = {
	82	.multipoint = 1,
	83	.dyn_fifo = 1,
	84	.num_eps = 16,
	85	.ram_bits = 12,
	86	};
	87
	88	static struct musb_hdrc_platform_data tusb_data = {
	89	#if defined(CONFIG_USB_MUSB_OTG)
	90	.mode = MUSB_OTG,
	91	#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
	92	.mode = MUSB_PERIPHERAL,
	93	#else /* defined(CONFIG_USB_MUSB_HOST) */
	94	.mode = MUSB_HOST,
	95	#endif
	96	.set_power = tusb_set_power,
	97	.min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
	98	.power = 100, /* Max 100 mA VBUS for host mode */
	99	.config = &musb_config,
	100	};
	101
	102	static void __init n8x0_usb_init(void)
	103	{
	104	int ret = 0;
105	static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
106
107	/* PM companion chip power control pin */
108	ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
109	if (ret != 0) {
110	printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
111	TUSB6010_GPIO_ENABLE);
112	return;
113	}
114	gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
115
116	tusb_set_power(0);
117
118	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
119	TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
120	TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
121	if (ret != 0)
122	goto err;
123
124	printk(announce);
125
126	return;
127
128	err:
129	gpio_free(TUSB6010_GPIO_ENABLE);
130	}
131	#else
132
133	static void __init n8x0_usb_init(void) {}
134
135	#endif /CONFIG_USB_TUSB6010 /
136
137
63138812 KV	138	static struct omap2_mcspi_device_config p54spi_mcspi_config = {
	139	.turbo_mode = 0,
	140	.single_channel = 1,
	141	};
	142
	143	static struct spi_board_info n800_spi_board_info[] __initdata = {
	144	{
	145	.modalias = "p54spi",
	146	.bus_num = 2,
	147	.chip_select = 0,
	148	.max_speed_hz = 48000000,
	149	.controller_data = &p54spi_mcspi_config,
	150	},
	151	};
	152
	153	#if defined(CONFIG_MTD_ONENAND_OMAP2) \|\| \
	154	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
	155
	156	static struct mtd_partition onenand_partitions[] = {
	157	{
	158	.name = "bootloader",
	159	.offset = 0,
	160	.size = 0x20000,
	161	.mask_flags = MTD_WRITEABLE, /* Force read-only */
	162	},
	163	{
	164	.name = "config",
	165	.offset = MTDPART_OFS_APPEND,
	166	.size = 0x60000,
	167	},
	168	{
	169	.name = "kernel",
	170	.offset = MTDPART_OFS_APPEND,
	171	.size = 0x200000,
	172	},
	173	{
	174	.name = "initfs",
	175	.offset = MTDPART_OFS_APPEND,
	176	.size = 0x400000,
	177	},
	178	{
	179	.name = "rootfs",
	180	.offset = MTDPART_OFS_APPEND,
	181	.size = MTDPART_SIZ_FULL,
	182	},
	183	};
	184
	185	static struct omap_onenand_platform_data board_onenand_data = {
	186	.cs = 0,
	187	.gpio_irq = 26,
	188	.parts = onenand_partitions,
	189	.nr_parts = ARRAY_SIZE(onenand_partitions),
	190	.flags = ONENAND_SYNC_READ,
	191	};
	192
	193	static void __init n8x0_onenand_init(void)
	194	{
	195	gpmc_onenand_init(&board_onenand_data);
	196	}
	197
	198	#else
	199
	200	static void __init n8x0_onenand_init(void) {}
	201
202	#endif
203
9418c65f TL	204	#if defined(CONFIG_MENELAUS) && \
	205	(defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE))
	206
	207	/*
	208	* On both N800 and N810, only the first of the two MMC controllers is in use.
	209	* The two MMC slots are multiplexed via Menelaus companion chip over I2C.
	210	* On N800, both slots are powered via Menelaus. On N810, only one of the
	211	* slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
	212	*
	213	* VMMC slot 1 on both N800 and N810
	214	* VDCDC3_APE and VMCS2_APE slot 2 on N800
	215	* GPIO23 and GPIO9 slot 2 EMMC on N810
	216	*
	217	*/
	218	#define N8X0_SLOT_SWITCH_GPIO 96
	219	#define N810_EMMC_VSD_GPIO 23
1dea5c6b	220	#define N810_EMMC_VIO_GPIO 9
9418c65f TL	221
	222	static int n8x0_mmc_switch_slot(struct device *dev, int slot)
	223	{
	224	#ifdef CONFIG_MMC_DEBUG
	225	dev_dbg(dev, "Choose slot %d\n", slot + 1);
	226	#endif
	227	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
	228	return 0;
	229	}
	230
	231	static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
	232	int power_on, int vdd)
	233	{
	234	int mV;
	235
	236	#ifdef CONFIG_MMC_DEBUG
	237	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
	238	power_on ? "on" : "off", vdd);
	239	#endif
	240	if (slot == 0) {
	241	if (!power_on)
	242	return menelaus_set_vmmc(0);
	243	switch (1 << vdd) {
	244	case MMC_VDD_33_34:
	245	case MMC_VDD_32_33:
	246	case MMC_VDD_31_32:
	247	mV = 3100;
	248	break;
	249	case MMC_VDD_30_31:
	250	mV = 3000;
	251	break;
	252	case MMC_VDD_28_29:
	253	mV = 2800;
	254	break;
	255	case MMC_VDD_165_195:
	256	mV = 1850;
	257	break;
	258	default:
	259	BUG();
	260	}
	261	return menelaus_set_vmmc(mV);
	262	} else {
	263	if (!power_on)
	264	return menelaus_set_vdcdc(3, 0);
	265	switch (1 << vdd) {
	266	case MMC_VDD_33_34:
	267	case MMC_VDD_32_33:
	268	mV = 3300;
	269	break;
	270	case MMC_VDD_30_31:
	271	case MMC_VDD_29_30:
	272	mV = 3000;
	273	break;
	274	case MMC_VDD_28_29:
	275	case MMC_VDD_27_28:
	276	mV = 2800;
	277	break;
	278	case MMC_VDD_24_25:
	279	case MMC_VDD_23_24:
	280	mV = 2400;
	281	break;
	282	case MMC_VDD_22_23:
	283	case MMC_VDD_21_22:
	284	mV = 2200;
285	break;
286	case MMC_VDD_20_21:
287	mV = 2000;
288	break;
289	case MMC_VDD_165_195:
290	mV = 1800;
291	break;
292	default:
293	BUG();
294	}
295	return menelaus_set_vdcdc(3, mV);
296	}
297	return 0;
298	}
299
300	static void n810_set_power_emmc(struct device *dev,
301	int power_on)
302	{
303	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
304
305	if (power_on) {
306	gpio_set_value(N810_EMMC_VSD_GPIO, 1);
307	msleep(1);
1dea5c6b	308	gpio_set_value(N810_EMMC_VIO_GPIO, 1);
9418c65f TL	309	msleep(1);
9418c65f TL	310	} else {
1dea5c6b	311	gpio_set_value(N810_EMMC_VIO_GPIO, 0);
9418c65f TL	312	msleep(50);
	313	gpio_set_value(N810_EMMC_VSD_GPIO, 0);
	314	msleep(50);
	315	}
	316	}
	317
	318	static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
	319	int vdd)
	320	{
	321	if (machine_is_nokia_n800() \|\| slot == 0)
	322	return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
	323
	324	n810_set_power_emmc(dev, power_on);
	325
	326	return 0;
	327	}
	328
	329	static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
	330	{
	331	int r;
	332
	333	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
	334	bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
	335	BUG_ON(slot != 0 && slot != 1);
	336	slot++;
	337	switch (bus_mode) {
	338	case MMC_BUSMODE_OPENDRAIN:
	339	r = menelaus_set_mmc_opendrain(slot, 1);
	340	break;
	341	case MMC_BUSMODE_PUSHPULL:
	342	r = menelaus_set_mmc_opendrain(slot, 0);
	343	break;
	344	default:
	345	BUG();
	346	}
	347	if (r != 0 && printk_ratelimit())
	348	dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
	349	slot);
	350	return r;
	351	}
	352
	353	static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
	354	{
	355	slot++;
	356	BUG_ON(slot != 1 && slot != 2);
	357	if (slot == 1)
	358	return slot1_cover_open;
	359	else
	360	return slot2_cover_open;
	361	}
	362
	363	static void n8x0_mmc_callback(void *data, u8 card_mask)
	364	{
	365	int bit, *openp, index;
	366
	367	if (machine_is_nokia_n800()) {
	368	bit = 1 << 1;
	369	openp = &slot2_cover_open;
	370	index = 1;
	371	} else {
	372	bit = 1;
	373	openp = &slot1_cover_open;
	374	index = 0;
	375	}
376
377	if (card_mask & bit)
378	*openp = 1;
379	else
380	*openp = 0;
381
382	omap_mmc_notify_cover_event(mmc_device, index, *openp);
383	}
384
385	void n8x0_mmc_slot1_cover_handler(void *arg, int closed_state)
386	{
387	if (mmc_device == NULL)
388	return;
389
390	slot1_cover_open = !closed_state;
391	omap_mmc_notify_cover_event(mmc_device, 0, closed_state);
392	}
393
394	static int n8x0_mmc_late_init(struct device *dev)
395	{
396	int r, bit, *openp;
397	int vs2sel;
398
399	mmc_device = dev;
400
401	r = menelaus_set_slot_sel(1);
402	if (r < 0)
403	return r;
404
405	if (machine_is_nokia_n800())
406	vs2sel = 0;
407	else
408	vs2sel = 2;
409
410	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
411	if (r < 0)
412	return r;
413
414	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
415	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
416
417	r = menelaus_set_mmc_slot(1, 1, 0, 1);
418	if (r < 0)
419	return r;
420	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
421	if (r < 0)
422	return r;
423
424	r = menelaus_get_slot_pin_states();
425	if (r < 0)
426	return r;
427
428	if (machine_is_nokia_n800()) {
429	bit = 1 << 1;
430	openp = &slot2_cover_open;
431	} else {
432	bit = 1;
433	openp = &slot1_cover_open;
434	slot2_cover_open = 0;
435	}
436
437	/* All slot pin bits seem to be inversed until first switch change */
438	if (r == 0xf \|\| r == (0xf & ~bit))
439	r = ~r;
440
441	if (r & bit)
442	*openp = 1;
443	else
444	*openp = 0;
445
446	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
447
448	return r;
449	}
450
451	static void n8x0_mmc_shutdown(struct device *dev)
452	{
453	int vs2sel;
454
455	if (machine_is_nokia_n800())
456	vs2sel = 0;
457	else
458	vs2sel = 2;
459
460	menelaus_set_mmc_slot(1, 0, 0, 0);
461	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
462	}
463
464	static void n8x0_mmc_cleanup(struct device *dev)
465	{
466	menelaus_unregister_mmc_callback();
467
468	gpio_free(N8X0_SLOT_SWITCH_GPIO);
469
470	if (machine_is_nokia_n810()) {
471	gpio_free(N810_EMMC_VSD_GPIO);
1dea5c6b	472	gpio_free(N810_EMMC_VIO_GPIO);
9418c65f TL	473	}
	474	}
	475
	476	/*
	477	* MMC controller1 has two slots that are multiplexed via I2C.
	478	* MMC controller2 is not in use.
	479	*/
	480	static struct omap_mmc_platform_data mmc1_data = {
	481	.nr_slots = 2,
	482	.switch_slot = n8x0_mmc_switch_slot,
	483	.init = n8x0_mmc_late_init,
	484	.cleanup = n8x0_mmc_cleanup,
	485	.shutdown = n8x0_mmc_shutdown,
	486	.max_freq = 24000000,
	487	.dma_mask = 0xffffffff,
	488	.slots[0] = {
	489	.wires = 4,
	490	.set_power = n8x0_mmc_set_power,
	491	.set_bus_mode = n8x0_mmc_set_bus_mode,
	492	.get_cover_state = n8x0_mmc_get_cover_state,
	493	.ocr_mask = MMC_VDD_165_195 \| MMC_VDD_30_31 \|
	494	MMC_VDD_32_33 \| MMC_VDD_33_34,
	495	.name = "internal",
	496	},
	497	.slots[1] = {
	498	.set_power = n8x0_mmc_set_power,
	499	.set_bus_mode = n8x0_mmc_set_bus_mode,
	500	.get_cover_state = n8x0_mmc_get_cover_state,
	501	.ocr_mask = MMC_VDD_165_195 \| MMC_VDD_20_21 \|
	502	MMC_VDD_21_22 \| MMC_VDD_22_23 \|
	503	MMC_VDD_23_24 \| MMC_VDD_24_25 \|
	504	MMC_VDD_27_28 \| MMC_VDD_28_29 \|
	505	MMC_VDD_29_30 \| MMC_VDD_30_31 \|
	506	MMC_VDD_32_33 \| MMC_VDD_33_34,
	507	.name = "external",
	508	},
	509	};
	510
	511	static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
	512
	513	void __init n8x0_mmc_init(void)
	514
	515	{
	516	int err;
	517
	518	if (machine_is_nokia_n810()) {
	519	mmc1_data.slots[0].name = "external";
	520
	521	/*
	522	* Some Samsung Movinand chips do not like open-ended
	523	* multi-block reads and fall to braind-dead state
	524	* while doing so. Reducing the number of blocks in
	525	* the transfer or delays in clock disable do not help
	526	*/
	527	mmc1_data.slots[1].name = "internal";
	528	mmc1_data.slots[1].ban_openended = 1;
	529	}
	530
	531	err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
	532	if (err)
1dea5c6b	533	return;
9418c65f TL	534
	535	gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
	536
	537	if (machine_is_nokia_n810()) {
	538	err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
	539	if (err) {
	540	gpio_free(N8X0_SLOT_SWITCH_GPIO);
1dea5c6b	541	return;
9418c65f TL	542	}
	543	gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
	544
1dea5c6b	545	err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
9418c65f TL	546	if (err) {
	547	gpio_free(N8X0_SLOT_SWITCH_GPIO);
	548	gpio_free(N810_EMMC_VSD_GPIO);
1dea5c6b	549	return;
9418c65f	550	}
1dea5c6b	551	gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
9418c65f TL	552	}
	553
	554	mmc_data[0] = &mmc1_data;
	555	omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
	556	}
	557	#else
	558
	559	void __init n8x0_mmc_init(void)
	560	{
	561	}
	562
	563	void n8x0_mmc_slot1_cover_handler(void *arg, int state)
	564	{
	565	}
	566
	567	#endif /* CONFIG_MMC_OMAP */
	568
	569	#ifdef CONFIG_MENELAUS
	570
	571	static int n8x0_auto_sleep_regulators(void)
	572	{
	573	u32 val;
	574	int ret;
	575
	576	val = EN_VPLL_SLEEP \| EN_VMMC_SLEEP \
	577	\| EN_VAUX_SLEEP \| EN_VIO_SLEEP \
	578	\| EN_VMEM_SLEEP \| EN_DC3_SLEEP \
	579	\| EN_VC_SLEEP \| EN_DC2_SLEEP;
	580
	581	ret = menelaus_set_regulator_sleep(1, val);
	582	if (ret < 0) {
	583	printk(KERN_ERR "Could not set regulators to sleep on "
	584	"menelaus: %u\n", ret);
	585	return ret;
	586	}
	587	return 0;
	588	}
	589
	590	static int n8x0_auto_voltage_scale(void)
	591	{
	592	int ret;
	593
	594	ret = menelaus_set_vcore_hw(1400, 1050);
	595	if (ret < 0) {
	596	printk(KERN_ERR "Could not set VCORE voltage on "
	597	"menelaus: %u\n", ret);
	598	return ret;
	599	}
	600	return 0;
	601	}
	602
	603	static int n8x0_menelaus_late_init(struct device *dev)
	604	{
	605	int ret;
	606
	607	ret = n8x0_auto_voltage_scale();
	608	if (ret < 0)
	609	return ret;
	610	ret = n8x0_auto_sleep_regulators();
	611	if (ret < 0)
	612	return ret;
	613	return 0;
	614	}
	615
f0fba2ad LG	616	static struct aic3x_setup_data n810_aic33_setup = {
	617	.gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED,
	618	.gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT,
	619	};
	620
	621	static struct aic3x_pdata n810_aic33_data = {
	622	.setup = &n810_aic33_setup,
	623	.gpio_reset = -1,
	624	};
	625
9418c65f TL	626	static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] = {
	627	{
	628	I2C_BOARD_INFO("menelaus", 0x72),
	629	.irq = INT_24XX_SYS_NIRQ,
	630	},
f0fba2ad LG	631	{
	632	I2C_BOARD_INFO("tlv320aic3x", 0x1b),
	633	.platform_data = &n810_aic33_data,
	634	},
9418c65f TL	635	};
	636
	637	static struct menelaus_platform_data n8x0_menelaus_platform_data = {
	638	.late_init = n8x0_menelaus_late_init,
	639	};
	640
	641	static void __init n8x0_menelaus_init(void)
	642	{
	643	n8x0_i2c_board_info_1[0].platform_data = &n8x0_menelaus_platform_data;
	644	omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
	645	ARRAY_SIZE(n8x0_i2c_board_info_1));
	646	}
	647
	648	#else
	649	static inline void __init n8x0_menelaus_init(void)
	650	{
	651	}
	652	#endif
	653
63138812 KV	654	static void __init n8x0_map_io(void)
	655	{
	656	omap2_set_globals_242x();
6fbd55d0	657	omap242x_map_common_io();
63138812 KV	658	}
	659
	660	static void __init n8x0_init_irq(void)
	661	{
	662	omap2_init_common_hw(NULL, NULL);
	663	omap_init_irq();
	664	omap_gpio_init();
	665	}
	666
	667	static void __init n8x0_init_machine(void)
	668	{
	669	/* FIXME: add n810 spi devices */
	670	spi_register_board_info(n800_spi_board_info,
	671	ARRAY_SIZE(n800_spi_board_info));
	672
	673	omap_serial_init();
9418c65f	674	n8x0_menelaus_init();
63138812	675	n8x0_onenand_init();
9418c65f	676	n8x0_mmc_init();
97b9ad16	677	n8x0_usb_init();
63138812 KV	678	}
	679
	680	MACHINE_START(NOKIA_N800, "Nokia N800")
	681	.phys_io = 0x48000000,
b4224b23	682	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
63138812 KV	683	.boot_params = 0x80000100,
	684	.map_io = n8x0_map_io,
	685	.init_irq = n8x0_init_irq,
	686	.init_machine = n8x0_init_machine,
	687	.timer = &omap_timer,
	688	MACHINE_END
	689
	690	MACHINE_START(NOKIA_N810, "Nokia N810")
	691	.phys_io = 0x48000000,
b4224b23	692	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
63138812 KV	693	.boot_params = 0x80000100,
	694	.map_io = n8x0_map_io,
	695	.init_irq = n8x0_init_irq,
	696	.init_machine = n8x0_init_machine,
	697	.timer = &omap_timer,
	698	MACHINE_END
	699
	700	MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
	701	.phys_io = 0x48000000,
b4224b23	702	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
63138812 KV	703	.boot_params = 0x80000100,
	704	.map_io = n8x0_map_io,
	705	.init_irq = n8x0_init_irq,
	706	.init_machine = n8x0_init_machine,
	707	.timer = &omap_timer,
	708	MACHINE_END