[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap3beagle.c

/*
 * linux/arch/arm/mach-omap2/board-omap3beagle.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.c
 *
 * Initial code: Syed Mohammed Khasim
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/mmc/host.h>

#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>

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

#include <plat/board.h>
#include <plat/common.h>
#include <plat/display.h>
#include <plat/gpmc.h>
#include <plat/nand.h>
#include <plat/usb.h>

#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"

#define NAND_BLOCK_SIZE		SZ_128K

/*
 * OMAP3 Beagle revision
 * Run time detection of Beagle revision is done by reading GPIO.
 * GPIO ID -
 *	AXBX	= GPIO173, GPIO172, GPIO171: 1 1 1
 *	C1_3	= GPIO173, GPIO172, GPIO171: 1 1 0
 *	C4	= GPIO173, GPIO172, GPIO171: 1 0 1
 *	XM	= GPIO173, GPIO172, GPIO171: 0 0 0
 */
enum {
	OMAP3BEAGLE_BOARD_UNKN = 0,
	OMAP3BEAGLE_BOARD_AXBX,
	OMAP3BEAGLE_BOARD_C1_3,
	OMAP3BEAGLE_BOARD_C4,
	OMAP3BEAGLE_BOARD_XM,
};

static u8 omap3_beagle_version;

static u8 omap3_beagle_get_rev(void)
{
	return omap3_beagle_version;
}

static void __init omap3_beagle_init_rev(void)
{
	int ret;
	u16 beagle_rev = 0;

	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);

	ret = gpio_request(171, "rev_id_0");
	if (ret < 0)
		goto fail0;

	ret = gpio_request(172, "rev_id_1");
	if (ret < 0)
		goto fail1;

	ret = gpio_request(173, "rev_id_2");
	if (ret < 0)
		goto fail2;

	gpio_direction_input(171);
	gpio_direction_input(172);
	gpio_direction_input(173);

	beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
			| (gpio_get_value(173) << 2);

	switch (beagle_rev) {
	case 7:
		printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
		break;
	case 6:
		printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
		break;
	case 5:
		printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
		break;
	case 0:
		printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
		break;
	default:
		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	}

	return;

fail2:
	gpio_free(172);
fail1:
	gpio_free(171);
fail0:
	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;

	return;
}

static struct mtd_partition omap3beagle_nand_partitions[] = {
	/* All the partition sizes are listed in terms of NAND block size */
	{
		.name		= "X-Loader",
		.offset		= 0,
		.size		= 4 * NAND_BLOCK_SIZE,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	{
		.name		= "U-Boot",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
		.size		= 15 * NAND_BLOCK_SIZE,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	{
		.name		= "U-Boot Env",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
		.size		= 1 * NAND_BLOCK_SIZE,
	},
	{
		.name		= "Kernel",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
		.size		= 32 * NAND_BLOCK_SIZE,
	},
	{
		.name		= "File System",
		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
		.size		= MTDPART_SIZ_FULL,
	},
};

static struct omap_nand_platform_data omap3beagle_nand_data = {
	.options	= NAND_BUSWIDTH_16,
	.parts		= omap3beagle_nand_partitions,
	.nr_parts	= ARRAY_SIZE(omap3beagle_nand_partitions),
	.dma_channel	= -1,		/* disable DMA in OMAP NAND driver */
	.nand_setup	= NULL,
	.dev_ready	= NULL,
};

/* DSS */

static int beagle_enable_dvi(struct omap_dss_device *dssdev)
{
	if (gpio_is_valid(dssdev->reset_gpio))
		gpio_set_value(dssdev->reset_gpio, 1);

	return 0;
}

static void beagle_disable_dvi(struct omap_dss_device *dssdev)
{
	if (gpio_is_valid(dssdev->reset_gpio))
		gpio_set_value(dssdev->reset_gpio, 0);
}

static struct omap_dss_device beagle_dvi_device = {
	.type = OMAP_DISPLAY_TYPE_DPI,
	.name = "dvi",
	.driver_name = "generic_panel",
	.phy.dpi.data_lines = 24,
	.reset_gpio = -EINVAL,
	.platform_enable = beagle_enable_dvi,
	.platform_disable = beagle_disable_dvi,
};

static struct omap_dss_device beagle_tv_device = {
	.name = "tv",
	.driver_name = "venc",
	.type = OMAP_DISPLAY_TYPE_VENC,
	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
};

static struct omap_dss_device *beagle_dss_devices[] = {
	&beagle_dvi_device,
	&beagle_tv_device,
};

static struct omap_dss_board_info beagle_dss_data = {
	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	.devices = beagle_dss_devices,
	.default_device = &beagle_dvi_device,
};

static struct platform_device beagle_dss_device = {
	.name          = "omapdss",
	.id            = -1,
	.dev            = {
		.platform_data = &beagle_dss_data,
	},
};

static struct regulator_consumer_supply beagle_vdac_supply =
	REGULATOR_SUPPLY("vdda_dac", "omapdss");

static struct regulator_consumer_supply beagle_vdvi_supply =
	REGULATOR_SUPPLY("vdds_dsi", "omapdss");

static void __init beagle_display_init(void)
{
	int r;

	r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
	if (r < 0) {
		printk(KERN_ERR "Unable to get DVI reset GPIO\n");
		return;
	}

	gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
}

#include "sdram-micron-mt46h32m32lf-6.h"

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_wp	= 29,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply beagle_vmmc1_supply = {
	.supply			= "vmmc",
};

static struct regulator_consumer_supply beagle_vsim_supply = {
	.supply			= "vmmc_aux",
};

static struct gpio_led gpio_leds[];

static int beagle_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
		mmc[0].gpio_wp = -EINVAL;
	} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
		(omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
		omap_mux_init_gpio(23, OMAP_PIN_INPUT);
		mmc[0].gpio_wp = 23;
	} else {
		omap_mux_init_gpio(29, OMAP_PIN_INPUT);
	}
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/* link regulators to MMC adapters */
	beagle_vmmc1_supply.dev = mmc[0].dev;
	beagle_vsim_supply.dev = mmc[0].dev;

	/* REVISIT: need ehci-omap hooks for external VBUS
	 * power switch and overcurrent detect
	 */

	gpio_request(gpio + 1, "EHCI_nOC");
	gpio_direction_input(gpio + 1);

	/*
	 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	 * high / others active low)
	 */
	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
		gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
	else
		gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);

	/* DVI reset GPIO is different between beagle revisions */
	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
		beagle_dvi_device.reset_gpio = 129;
	else
		beagle_dvi_device.reset_gpio = 170;

	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

	return 0;
}

static struct twl4030_gpio_platform_data beagle_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.pullups	= BIT(1),
	.pulldowns	= BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
				| BIT(15) | BIT(16) | BIT(17),
	.setup		= beagle_twl_gpio_setup,
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data beagle_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	= &beagle_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data beagle_vsim = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 3000000,
		.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	= &beagle_vsim_supply,
};

/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
static struct regulator_init_data beagle_vdac = {
	.constraints = {
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &beagle_vdac_supply,
};

/* VPLL2 for digital video outputs */
static struct regulator_init_data beagle_vpll2 = {
	.constraints = {
		.name			= "VDVI",
		.min_uV			= 1800000,
		.max_uV			= 1800000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= 1,
	.consumer_supplies	= &beagle_vdvi_supply,
};

static struct twl4030_usb_data beagle_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};

static struct twl4030_codec_audio_data beagle_audio_data = {
	.audio_mclk = 26000000,
};

static struct twl4030_codec_data beagle_codec_data = {
	.audio_mclk = 26000000,
	.audio = &beagle_audio_data,
};

static struct twl4030_platform_data beagle_twldata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.usb		= &beagle_usb_data,
	.gpio		= &beagle_gpio_data,
	.codec		= &beagle_codec_data,
	.vmmc1		= &beagle_vmmc1,
	.vsim		= &beagle_vsim,
	.vdac		= &beagle_vdac,
	.vpll2		= &beagle_vpll2,
};

static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl4030", 0x48),
		.flags = I2C_CLIENT_WAKE,
		.irq = INT_34XX_SYS_NIRQ,
		.platform_data = &beagle_twldata,
	},
};

static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
       {
               I2C_BOARD_INFO("eeprom", 0x50),
       },
};

static int __init omap3_beagle_i2c_init(void)
{
	omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
			ARRAY_SIZE(beagle_i2c_boardinfo));
	/* Bus 3 is attached to the DVI port where devices like the pico DLP
	 * projector don't work reliably with 400kHz */
	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
	return 0;
}

static struct gpio_led gpio_leds[] = {
	{
		.name			= "beagleboard::usr0",
		.default_trigger	= "heartbeat",
		.gpio			= 150,
	},
	{
		.name			= "beagleboard::usr1",
		.default_trigger	= "mmc0",
		.gpio			= 149,
	},
	{
		.name			= "beagleboard::pmu_stat",
		.gpio			= -EINVAL,	/* gets replaced */
		.active_low		= true,
	},
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_led_info,
	},
};

static struct gpio_keys_button gpio_buttons[] = {
	{
		.code			= BTN_EXTRA,
		.gpio			= 7,
		.desc			= "user",
		.wakeup			= 1,
	},
};

static struct gpio_keys_platform_data gpio_key_info = {
	.buttons	= gpio_buttons,
	.nbuttons	= ARRAY_SIZE(gpio_buttons),
};

static struct platform_device keys_gpio = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_key_info,
	},
};

static void __init omap3_beagle_init_irq(void)
{
	omap2_init_common_infrastructure();
	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
				  mt46h32m32lf6_sdrc_params);
	omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
	omap2_gp_clockevent_set_gptimer(12);
#endif
}

static struct platform_device *omap3_beagle_devices[] __initdata = {
	&leds_gpio,
	&keys_gpio,
	&beagle_dss_device,
};

static void __init omap3beagle_flash_init(void)
{
	u8 cs = 0;
	u8 nandcs = GPMC_CS_NUM + 1;

	/* find out the chip-select on which NAND exists */
	while (cs < GPMC_CS_NUM) {
		u32 ret = 0;
		ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);

		if ((ret & 0xC00) == 0x800) {
			printk(KERN_INFO "Found NAND on CS%d\n", cs);
			if (nandcs > GPMC_CS_NUM)
				nandcs = cs;
		}
		cs++;
	}

	if (nandcs > GPMC_CS_NUM) {
		printk(KERN_INFO "NAND: Unable to find configuration "
				 "in GPMC\n ");
		return;
	}

	if (nandcs < GPMC_CS_NUM) {
		omap3beagle_nand_data.cs = nandcs;

		printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
		if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
			printk(KERN_ERR "Unable to register NAND device\n");
	}
}

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {

	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
	.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]  = 147,
	.reset_gpio_port[2]  = -EINVAL
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static struct omap_musb_board_data musb_board_data = {
	.interface_type		= MUSB_INTERFACE_ULPI,
	.mode			= MUSB_OTG,
	.power			= 100,
};

static void __init omap3_beagle_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap3_beagle_init_rev();
	omap3_beagle_i2c_init();
	platform_add_devices(omap3_beagle_devices,
			ARRAY_SIZE(omap3_beagle_devices));
	omap_serial_init();

	omap_mux_init_gpio(170, OMAP_PIN_INPUT);
	gpio_request(170, "DVI_nPD");
	/* REVISIT leave DVI powered down until it's needed ... */
	gpio_direction_output(170, true);

	usb_musb_init(&musb_board_data);
	usb_ehci_init(&ehci_pdata);
	omap3beagle_flash_init();

	/* Ensure SDRC pins are mux'd for self-refresh */
	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);

	beagle_display_init();
}

MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
	.boot_params	= 0x80000100,
	.map_io		= omap3_map_io,
	.reserve	= omap_reserve,
	.init_irq	= omap3_beagle_init_irq,
	.init_machine	= omap3_beagle_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
2885f000 SMK	1	/*
	2	* linux/arch/arm/mach-omap2/board-omap3beagle.c
	3	*
	4	* Copyright (C) 2008 Texas Instruments
	5	*
	6	* Modified from mach-omap2/board-3430sdp.c
	7	*
	8	* Initial code: Syed Mohammed Khasim
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/delay.h>
	19	#include <linux/err.h>
	20	#include <linux/clk.h>
	21	#include <linux/io.h>
	22	#include <linux/leds.h>
	23	#include <linux/gpio.h>
	24	#include <linux/input.h>
	25	#include <linux/gpio_keys.h>
	26
	27	#include <linux/mtd/mtd.h>
	28	#include <linux/mtd/partitions.h>
	29	#include <linux/mtd/nand.h>
3a63833e	30	#include <linux/mmc/host.h>
2885f000	31
bb3b9d8e	32	#include <linux/regulator/machine.h>
b07682b6	33	#include <linux/i2c/twl.h>
145d9c94	34
2885f000 SMK	35	#include <mach/hardware.h>
	36	#include <asm/mach-types.h>
	37	#include <asm/mach/arch.h>
	38	#include <asm/mach/map.h>
	39	#include <asm/mach/flash.h>
	40
ce491cf8 TL	41	#include <plat/board.h>
ce491cf8 TL	42	#include <plat/common.h>
044d32ff	43	#include <plat/display.h>
ce491cf8 TL	44	#include <plat/gpmc.h>
ce491cf8 TL	45	#include <plat/nand.h>
ce491cf8	46	#include <plat/usb.h>
2885f000	47
ca5742bd	48	#include "mux.h"
d02a900b	49	#include "hsmmc.h"
04aeae77	50	#include "timer-gp.h"
2885f000	51
2885f000 SMK	52	#define NAND_BLOCK_SIZE SZ_128K
2885f000 SMK	53
954bed04 RN	54	/*
	55	* OMAP3 Beagle revision
	56	* Run time detection of Beagle revision is done by reading GPIO.
	57	* GPIO ID -
	58	* AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
	59	* C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
	60	* C4 = GPIO173, GPIO172, GPIO171: 1 0 1
	61	* XM = GPIO173, GPIO172, GPIO171: 0 0 0
	62	*/
	63	enum {
	64	OMAP3BEAGLE_BOARD_UNKN = 0,
	65	OMAP3BEAGLE_BOARD_AXBX,
	66	OMAP3BEAGLE_BOARD_C1_3,
	67	OMAP3BEAGLE_BOARD_C4,
	68	OMAP3BEAGLE_BOARD_XM,
	69	};
	70
	71	static u8 omap3_beagle_version;
	72
	73	static u8 omap3_beagle_get_rev(void)
	74	{
	75	return omap3_beagle_version;
	76	}
	77
	78	static void __init omap3_beagle_init_rev(void)
	79	{
	80	int ret;
	81	u16 beagle_rev = 0;
	82
	83	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	84	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	85	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
	86
	87	ret = gpio_request(171, "rev_id_0");
	88	if (ret < 0)
	89	goto fail0;
	90
	91	ret = gpio_request(172, "rev_id_1");
	92	if (ret < 0)
	93	goto fail1;
	94
	95	ret = gpio_request(173, "rev_id_2");
	96	if (ret < 0)
	97	goto fail2;
	98
	99	gpio_direction_input(171);
	100	gpio_direction_input(172);
	101	gpio_direction_input(173);
	102
	103	beagle_rev = gpio_get_value(171) \| (gpio_get_value(172) << 1)
	104	\| (gpio_get_value(173) << 2);
	105
	106	switch (beagle_rev) {
	107	case 7:
	108	printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
	109	omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
	110	break;
	111	case 6:
	112	printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
	113	omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
	114	break;
	115	case 5:
	116	printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
	117	omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
118	break;
119	case 0:
120	printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
121	omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
122	break;
123	default:
124	printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
125	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
126	}
127
128	return;
129
130	fail2:
131	gpio_free(172);
132	fail1:
133	gpio_free(171);
134	fail0:
135	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
136	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
137
138	return;
139	}
140
2885f000 SMK	141	static struct mtd_partition omap3beagle_nand_partitions[] = {
	142	/* All the partition sizes are listed in terms of NAND block size */
	143	{
	144	.name = "X-Loader",
	145	.offset = 0,
	146	.size = 4 * NAND_BLOCK_SIZE,
	147	.mask_flags = MTD_WRITEABLE, /* force read-only */
	148	},
	149	{
	150	.name = "U-Boot",
	151	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	152	.size = 15 * NAND_BLOCK_SIZE,
	153	.mask_flags = MTD_WRITEABLE, /* force read-only */
	154	},
	155	{
	156	.name = "U-Boot Env",
	157	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	158	.size = 1 * NAND_BLOCK_SIZE,
	159	},
	160	{
	161	.name = "Kernel",
	162	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	163	.size = 32 * NAND_BLOCK_SIZE,
	164	},
	165	{
	166	.name = "File System",
	167	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	168	.size = MTDPART_SIZ_FULL,
	169	},
	170	};
	171
	172	static struct omap_nand_platform_data omap3beagle_nand_data = {
	173	.options = NAND_BUSWIDTH_16,
	174	.parts = omap3beagle_nand_partitions,
	175	.nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
	176	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	177	.nand_setup = NULL,
	178	.dev_ready = NULL,
	179	};
	180
044d32ff KK	181	/* DSS */
	182
	183	static int beagle_enable_dvi(struct omap_dss_device *dssdev)
	184	{
	185	if (gpio_is_valid(dssdev->reset_gpio))
	186	gpio_set_value(dssdev->reset_gpio, 1);
	187
	188	return 0;
	189	}
	190
	191	static void beagle_disable_dvi(struct omap_dss_device *dssdev)
	192	{
	193	if (gpio_is_valid(dssdev->reset_gpio))
	194	gpio_set_value(dssdev->reset_gpio, 0);
	195	}
	196
	197	static struct omap_dss_device beagle_dvi_device = {
	198	.type = OMAP_DISPLAY_TYPE_DPI,
	199	.name = "dvi",
	200	.driver_name = "generic_panel",
	201	.phy.dpi.data_lines = 24,
f8362d21	202	.reset_gpio = -EINVAL,
044d32ff KK	203	.platform_enable = beagle_enable_dvi,
	204	.platform_disable = beagle_disable_dvi,
	205	};
	206
	207	static struct omap_dss_device beagle_tv_device = {
	208	.name = "tv",
	209	.driver_name = "venc",
	210	.type = OMAP_DISPLAY_TYPE_VENC,
	211	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	212	};
	213
	214	static struct omap_dss_device *beagle_dss_devices[] = {
	215	&beagle_dvi_device,
	216	&beagle_tv_device,
	217	};
	218
	219	static struct omap_dss_board_info beagle_dss_data = {
	220	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	221	.devices = beagle_dss_devices,
	222	.default_device = &beagle_dvi_device,
	223	};
	224
	225	static struct platform_device beagle_dss_device = {
	226	.name = "omapdss",
	227	.id = -1,
	228	.dev = {
	229	.platform_data = &beagle_dss_data,
	230	},
	231	};
	232
	233	static struct regulator_consumer_supply beagle_vdac_supply =
	234	REGULATOR_SUPPLY("vdda_dac", "omapdss");
	235
	236	static struct regulator_consumer_supply beagle_vdvi_supply =
	237	REGULATOR_SUPPLY("vdds_dsi", "omapdss");
	238
	239	static void __init beagle_display_init(void)
	240	{
	241	int r;
	242
	243	r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
	244	if (r < 0) {
	245	printk(KERN_ERR "Unable to get DVI reset GPIO\n");
	246	return;
	247	}
	248
	249	gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
	250	}
	251
2e12bd7e PW	252	#include "sdram-micron-mt46h32m32lf-6.h"
2e12bd7e PW	253
68ff0423	254	static struct omap2_hsmmc_info mmc[] = {
90c62bf0 TL	255	{
90c62bf0 TL	256	.mmc = 1,
3a63833e	257	.caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_8_BIT_DATA,
90c62bf0 TL	258	.gpio_wp = 29,
	259	},
	260	{} /* Terminator */
	261	};
	262
bb3b9d8e DB	263	static struct regulator_consumer_supply beagle_vmmc1_supply = {
	264	.supply = "vmmc",
	265	};
	266
	267	static struct regulator_consumer_supply beagle_vsim_supply = {
	268	.supply = "vmmc_aux",
	269	};
	270
90c62bf0 TL	271	static struct gpio_led gpio_leds[];
	272
	273	static int beagle_twl_gpio_setup(struct device *dev,
	274	unsigned gpio, unsigned ngpio)
	275	{
cf74d41e RN	276	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
	277	mmc[0].gpio_wp = -EINVAL;
	278	} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) \|\|
e4916e11	279	(omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
4896e394	280	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
44e74840 JN	281	mmc[0].gpio_wp = 23;
44e74840 JN	282	} else {
4896e394	283	omap_mux_init_gpio(29, OMAP_PIN_INPUT);
44e74840	284	}
90c62bf0	285	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
145d9c94	286	mmc[0].gpio_cd = gpio + 0;
68ff0423	287	omap2_hsmmc_init(mmc);
90c62bf0	288
bb3b9d8e DB	289	/* link regulators to MMC adapters */
	290	beagle_vmmc1_supply.dev = mmc[0].dev;
	291	beagle_vsim_supply.dev = mmc[0].dev;
	292
90c62bf0 TL	293	/* REVISIT: need ehci-omap hooks for external VBUS
	294	* power switch and overcurrent detect
	295	*/
	296
	297	gpio_request(gpio + 1, "EHCI_nOC");
	298	gpio_direction_input(gpio + 1);
	299
68fc3e15 KK	300	/*
	301	* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	302	* high / others active low)
	303	*/
90c62bf0	304	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
68fc3e15 KK	305	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
	306	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
	307	else
	308	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
90c62bf0	309
f8362d21 KK	310	/* DVI reset GPIO is different between beagle revisions */
	311	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
	312	beagle_dvi_device.reset_gpio = 129;
	313	else
	314	beagle_dvi_device.reset_gpio = 170;
	315
90c62bf0 TL	316	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	317	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	318
	319	return 0;
	320	}
	321
	322	static struct twl4030_gpio_platform_data beagle_gpio_data = {
	323	.gpio_base = OMAP_MAX_GPIO_LINES,
	324	.irq_base = TWL4030_GPIO_IRQ_BASE,
	325	.irq_end = TWL4030_GPIO_IRQ_END,
	326	.use_leds = true,
	327	.pullups = BIT(1),
	328	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8) \| BIT(13)
	329	\| BIT(15) \| BIT(16) \| BIT(17),
	330	.setup = beagle_twl_gpio_setup,
	331	};
	332
bb3b9d8e DB	333	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	334	static struct regulator_init_data beagle_vmmc1 = {
	335	.constraints = {
	336	.min_uV = 1850000,
	337	.max_uV = 3150000,
	338	.valid_modes_mask = REGULATOR_MODE_NORMAL
	339	\| REGULATOR_MODE_STANDBY,
	340	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	341	\| REGULATOR_CHANGE_MODE
	342	\| REGULATOR_CHANGE_STATUS,
	343	},
	344	.num_consumer_supplies = 1,
	345	.consumer_supplies = &beagle_vmmc1_supply,
	346	};
	347
	348	/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
	349	static struct regulator_init_data beagle_vsim = {
	350	.constraints = {
	351	.min_uV = 1800000,
	352	.max_uV = 3000000,
	353	.valid_modes_mask = REGULATOR_MODE_NORMAL
	354	\| REGULATOR_MODE_STANDBY,
	355	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	356	\| REGULATOR_CHANGE_MODE
	357	\| REGULATOR_CHANGE_STATUS,
	358	},
	359	.num_consumer_supplies = 1,
	360	.consumer_supplies = &beagle_vsim_supply,
	361	};
	362
	363	/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
	364	static struct regulator_init_data beagle_vdac = {
	365	.constraints = {
	366	.min_uV = 1800000,
	367	.max_uV = 1800000,
	368	.valid_modes_mask = REGULATOR_MODE_NORMAL
	369	\| REGULATOR_MODE_STANDBY,
	370	.valid_ops_mask = REGULATOR_CHANGE_MODE
	371	\| REGULATOR_CHANGE_STATUS,
	372	},
	373	.num_consumer_supplies = 1,
	374	.consumer_supplies = &beagle_vdac_supply,
	375	};
	376
	377	/* VPLL2 for digital video outputs */
	378	static struct regulator_init_data beagle_vpll2 = {
	379	.constraints = {
	380	.name = "VDVI",
	381	.min_uV = 1800000,
	382	.max_uV = 1800000,
	383	.valid_modes_mask = REGULATOR_MODE_NORMAL
	384	\| REGULATOR_MODE_STANDBY,
	385	.valid_ops_mask = REGULATOR_CHANGE_MODE
	386	\| REGULATOR_CHANGE_STATUS,
	387	},
	388	.num_consumer_supplies = 1,
	389	.consumer_supplies = &beagle_vdvi_supply,
	390	};
	391
bd04e465 FB	392	static struct twl4030_usb_data beagle_usb_data = {
	393	.usb_mode = T2_USB_MODE_ULPI,
	394	};
	395
e86fa0b4 PU	396	static struct twl4030_codec_audio_data beagle_audio_data = {
	397	.audio_mclk = 26000000,
	398	};
	399
	400	static struct twl4030_codec_data beagle_codec_data = {
6df74efb	401	.audio_mclk = 26000000,
e86fa0b4 PU	402	.audio = &beagle_audio_data,
	403	};
	404
90c62bf0 TL	405	static struct twl4030_platform_data beagle_twldata = {
	406	.irq_base = TWL4030_IRQ_BASE,
	407	.irq_end = TWL4030_IRQ_END,
	408
	409	/* platform_data for children goes here */
bd04e465	410	.usb = &beagle_usb_data,
90c62bf0	411	.gpio = &beagle_gpio_data,
e86fa0b4	412	.codec = &beagle_codec_data,
bb3b9d8e DB	413	.vmmc1 = &beagle_vmmc1,
	414	.vsim = &beagle_vsim,
	415	.vdac = &beagle_vdac,
	416	.vpll2 = &beagle_vpll2,
90c62bf0 TL	417	};
	418
	419	static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
	420	{
	421	I2C_BOARD_INFO("twl4030", 0x48),
	422	.flags = I2C_CLIENT_WAKE,
	423	.irq = INT_34XX_SYS_NIRQ,
	424	.platform_data = &beagle_twldata,
	425	},
	426	};
	427
e3333f48 MP	428	static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
	429	{
	430	I2C_BOARD_INFO("eeprom", 0x50),
	431	},
	432	};
	433
90c62bf0 TL	434	static int __init omap3_beagle_i2c_init(void)
	435	{
	436	omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
	437	ARRAY_SIZE(beagle_i2c_boardinfo));
8ca7fe26 KK	438	/* Bus 3 is attached to the DVI port where devices like the pico DLP
8ca7fe26 KK	439	* projector don't work reliably with 400kHz */
e3333f48	440	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
90c62bf0 TL	441	return 0;
	442	}
	443
2885f000 SMK	444	static struct gpio_led gpio_leds[] = {
	445	{
	446	.name = "beagleboard::usr0",
	447	.default_trigger = "heartbeat",
	448	.gpio = 150,
	449	},
	450	{
	451	.name = "beagleboard::usr1",
	452	.default_trigger = "mmc0",
	453	.gpio = 149,
	454	},
90c62bf0 TL	455	{
	456	.name = "beagleboard::pmu_stat",
	457	.gpio = -EINVAL, /* gets replaced */
	458	.active_low = true,
	459	},
2885f000 SMK	460	};
	461
	462	static struct gpio_led_platform_data gpio_led_info = {
	463	.leds = gpio_leds,
	464	.num_leds = ARRAY_SIZE(gpio_leds),
	465	};
	466
	467	static struct platform_device leds_gpio = {
	468	.name = "leds-gpio",
	469	.id = -1,
	470	.dev = {
	471	.platform_data = &gpio_led_info,
	472	},
	473	};
	474
	475	static struct gpio_keys_button gpio_buttons[] = {
	476	{
	477	.code = BTN_EXTRA,
	478	.gpio = 7,
	479	.desc = "user",
	480	.wakeup = 1,
	481	},
	482	};
	483
	484	static struct gpio_keys_platform_data gpio_key_info = {
	485	.buttons = gpio_buttons,
	486	.nbuttons = ARRAY_SIZE(gpio_buttons),
	487	};
	488
	489	static struct platform_device keys_gpio = {
	490	.name = "gpio-keys",
	491	.id = -1,
	492	.dev = {
	493	.platform_data = &gpio_key_info,
	494	},
	495	};
	496
b3c6df3a PW	497	static void __init omap3_beagle_init_irq(void)
b3c6df3a PW	498	{
4805734b PW	499	omap2_init_common_infrastructure();
	500	omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
	501	mt46h32m32lf6_sdrc_params);
b3c6df3a PW	502	omap_init_irq();
	503	#ifdef CONFIG_OMAP_32K_TIMER
	504	omap2_gp_clockevent_set_gptimer(12);
	505	#endif
b3c6df3a PW	506	}
b3c6df3a PW	507
2885f000	508	static struct platform_device *omap3_beagle_devices[] __initdata = {
2885f000 SMK	509	&leds_gpio,
2885f000 SMK	510	&keys_gpio,
044d32ff	511	&beagle_dss_device,
2885f000 SMK	512	};
	513
	514	static void __init omap3beagle_flash_init(void)
	515	{
	516	u8 cs = 0;
	517	u8 nandcs = GPMC_CS_NUM + 1;
	518
2885f000 SMK	519	/* find out the chip-select on which NAND exists */
	520	while (cs < GPMC_CS_NUM) {
	521	u32 ret = 0;
	522	ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
	523
	524	if ((ret & 0xC00) == 0x800) {
	525	printk(KERN_INFO "Found NAND on CS%d\n", cs);
	526	if (nandcs > GPMC_CS_NUM)
	527	nandcs = cs;
	528	}
	529	cs++;
	530	}
	531
	532	if (nandcs > GPMC_CS_NUM) {
	533	printk(KERN_INFO "NAND: Unable to find configuration "
	534	"in GPMC\n ");
	535	return;
	536	}
	537
	538	if (nandcs < GPMC_CS_NUM) {
	539	omap3beagle_nand_data.cs = nandcs;
2885f000 SMK	540
2885f000 SMK	541	printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
f450d867	542	if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
2885f000 SMK	543	printk(KERN_ERR "Unable to register NAND device\n");
	544	}
	545	}
	546
6f69a181	547	static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
58a5491c FB	548
	549	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
	550	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	551	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	552
	553	.phy_reset = true,
	554	.reset_gpio_port[0] = -EINVAL,
	555	.reset_gpio_port[1] = 147,
	556	.reset_gpio_port[2] = -EINVAL
	557	};
	558
ca5742bd TL	559	#ifdef CONFIG_OMAP_MUX
	560	static struct omap_board_mux board_mux[] __initdata = {
	561	{ .reg_offset = OMAP_MUX_TERMINATOR },
	562	};
ca5742bd TL	563	#endif
ca5742bd TL	564
884b8369 MM	565	static struct omap_musb_board_data musb_board_data = {
	566	.interface_type = MUSB_INTERFACE_ULPI,
	567	.mode = MUSB_OTG,
	568	.power = 100,
	569	};
	570
2885f000 SMK	571	static void __init omap3_beagle_init(void)
2885f000 SMK	572	{
ca5742bd	573	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
954bed04	574	omap3_beagle_init_rev();
90c62bf0	575	omap3_beagle_i2c_init();
2885f000 SMK	576	platform_add_devices(omap3_beagle_devices,
2885f000 SMK	577	ARRAY_SIZE(omap3_beagle_devices));
2885f000	578	omap_serial_init();
90c62bf0	579
4896e394	580	omap_mux_init_gpio(170, OMAP_PIN_INPUT);
90c62bf0 TL	581	gpio_request(170, "DVI_nPD");
	582	/* REVISIT leave DVI powered down until it's needed ... */
	583	gpio_direction_output(170, true);
	584
884b8369	585	usb_musb_init(&musb_board_data);
58a5491c	586	usb_ehci_init(&ehci_pdata);
2885f000	587	omap3beagle_flash_init();
9fb97412 JP	588
9fb97412 JP	589	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	590	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	591	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
044d32ff KK	592
044d32ff KK	593	beagle_display_init();
2885f000 SMK	594	}
2885f000 SMK	595
2885f000 SMK	596	MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
2885f000 SMK	597	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
2885f000	598	.boot_params = 0x80000100,
869fef41	599	.map_io = omap3_map_io,
71ee7dad	600	.reserve = omap_reserve,
2885f000 SMK	601	.init_irq = omap3_beagle_init_irq,
	602	.init_machine = omap3_beagle_init,
	603	.timer = &omap_timer,
	604	MACHINE_END