[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/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 <plat/timer-gp.h>

#include "mux.h"
#include "hsmmc.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 = 170,
	.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,
		.wires		= 8,
		.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, active low) */
	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);

	/* 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 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, NULL, 0);
	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_hw(mt46h32m32lf6_sdrc_params,
			     mt46h32m32lf6_sdrc_params);
	omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
	omap2_gp_clockevent_set_gptimer(12);
#endif
	omap_gpio_init();
}

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 },
};
#else
#define board_mux	NULL
#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 */
	.phys_io	= 0x48000000,
	.io_pg_offst	= ((0xfa000000) >> 18) & 0xfffc,
	.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>
	30
bb3b9d8e	31	#include <linux/regulator/machine.h>
b07682b6	32	#include <linux/i2c/twl.h>
145d9c94	33
2885f000 SMK	34	#include <mach/hardware.h>
	35	#include <asm/mach-types.h>
	36	#include <asm/mach/arch.h>
	37	#include <asm/mach/map.h>
	38	#include <asm/mach/flash.h>
	39
ce491cf8 TL	40	#include <plat/board.h>
ce491cf8 TL	41	#include <plat/common.h>
044d32ff	42	#include <plat/display.h>
ce491cf8 TL	43	#include <plat/gpmc.h>
ce491cf8 TL	44	#include <plat/nand.h>
ce491cf8 TL	45	#include <plat/usb.h>
ce491cf8 TL	46	#include <plat/timer-gp.h>
2885f000	47
ca5742bd	48	#include "mux.h"
d02a900b	49	#include "hsmmc.h"
2885f000	50
2885f000 SMK	51	#define NAND_BLOCK_SIZE SZ_128K
2885f000 SMK	52
954bed04 RN	53	/*
	54	* OMAP3 Beagle revision
	55	* Run time detection of Beagle revision is done by reading GPIO.
	56	* GPIO ID -
	57	* AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
	58	* C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
	59	* C4 = GPIO173, GPIO172, GPIO171: 1 0 1
	60	* XM = GPIO173, GPIO172, GPIO171: 0 0 0
	61	*/
	62	enum {
	63	OMAP3BEAGLE_BOARD_UNKN = 0,
	64	OMAP3BEAGLE_BOARD_AXBX,
	65	OMAP3BEAGLE_BOARD_C1_3,
	66	OMAP3BEAGLE_BOARD_C4,
	67	OMAP3BEAGLE_BOARD_XM,
	68	};
	69
	70	static u8 omap3_beagle_version;
	71
	72	static u8 omap3_beagle_get_rev(void)
	73	{
	74	return omap3_beagle_version;
	75	}
	76
	77	static void __init omap3_beagle_init_rev(void)
	78	{
	79	int ret;
	80	u16 beagle_rev = 0;
	81
	82	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	83	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	84	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
	85
	86	ret = gpio_request(171, "rev_id_0");
	87	if (ret < 0)
	88	goto fail0;
	89
	90	ret = gpio_request(172, "rev_id_1");
	91	if (ret < 0)
	92	goto fail1;
	93
	94	ret = gpio_request(173, "rev_id_2");
	95	if (ret < 0)
	96	goto fail2;
	97
	98	gpio_direction_input(171);
	99	gpio_direction_input(172);
	100	gpio_direction_input(173);
	101
	102	beagle_rev = gpio_get_value(171) \| (gpio_get_value(172) << 1)
	103	\| (gpio_get_value(173) << 2);
	104
	105	switch (beagle_rev) {
	106	case 7:
	107	printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
	108	omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
	109	break;
	110	case 6:
	111	printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
	112	omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
	113	break;
	114	case 5:
	115	printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
	116	omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
117	break;
118	case 0:
119	printk(KERN_INFO "OMAP3 Beagle Rev: xM\n");
120	omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
121	break;
122	default:
123	printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
124	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
125	}
126
127	return;
128
129	fail2:
130	gpio_free(172);
131	fail1:
132	gpio_free(171);
133	fail0:
134	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
135	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
136
137	return;
138	}
139
2885f000 SMK	140	static struct mtd_partition omap3beagle_nand_partitions[] = {
	141	/* All the partition sizes are listed in terms of NAND block size */
	142	{
	143	.name = "X-Loader",
	144	.offset = 0,
	145	.size = 4 * NAND_BLOCK_SIZE,
	146	.mask_flags = MTD_WRITEABLE, /* force read-only */
	147	},
	148	{
	149	.name = "U-Boot",
	150	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	151	.size = 15 * NAND_BLOCK_SIZE,
	152	.mask_flags = MTD_WRITEABLE, /* force read-only */
	153	},
	154	{
	155	.name = "U-Boot Env",
	156	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	157	.size = 1 * NAND_BLOCK_SIZE,
	158	},
	159	{
	160	.name = "Kernel",
	161	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	162	.size = 32 * NAND_BLOCK_SIZE,
	163	},
	164	{
	165	.name = "File System",
	166	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	167	.size = MTDPART_SIZ_FULL,
	168	},
	169	};
	170
	171	static struct omap_nand_platform_data omap3beagle_nand_data = {
	172	.options = NAND_BUSWIDTH_16,
	173	.parts = omap3beagle_nand_partitions,
	174	.nr_parts = ARRAY_SIZE(omap3beagle_nand_partitions),
	175	.dma_channel = -1, /* disable DMA in OMAP NAND driver */
	176	.nand_setup = NULL,
	177	.dev_ready = NULL,
	178	};
	179
044d32ff KK	180	/* DSS */
	181
	182	static int beagle_enable_dvi(struct omap_dss_device *dssdev)
	183	{
	184	if (gpio_is_valid(dssdev->reset_gpio))
	185	gpio_set_value(dssdev->reset_gpio, 1);
	186
	187	return 0;
	188	}
	189
	190	static void beagle_disable_dvi(struct omap_dss_device *dssdev)
	191	{
	192	if (gpio_is_valid(dssdev->reset_gpio))
	193	gpio_set_value(dssdev->reset_gpio, 0);
	194	}
	195
	196	static struct omap_dss_device beagle_dvi_device = {
	197	.type = OMAP_DISPLAY_TYPE_DPI,
	198	.name = "dvi",
	199	.driver_name = "generic_panel",
	200	.phy.dpi.data_lines = 24,
	201	.reset_gpio = 170,
	202	.platform_enable = beagle_enable_dvi,
	203	.platform_disable = beagle_disable_dvi,
	204	};
	205
	206	static struct omap_dss_device beagle_tv_device = {
	207	.name = "tv",
	208	.driver_name = "venc",
	209	.type = OMAP_DISPLAY_TYPE_VENC,
	210	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	211	};
	212
	213	static struct omap_dss_device *beagle_dss_devices[] = {
	214	&beagle_dvi_device,
	215	&beagle_tv_device,
	216	};
	217
	218	static struct omap_dss_board_info beagle_dss_data = {
	219	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	220	.devices = beagle_dss_devices,
	221	.default_device = &beagle_dvi_device,
	222	};
	223
	224	static struct platform_device beagle_dss_device = {
	225	.name = "omapdss",
	226	.id = -1,
	227	.dev = {
	228	.platform_data = &beagle_dss_data,
	229	},
	230	};
	231
	232	static struct regulator_consumer_supply beagle_vdac_supply =
	233	REGULATOR_SUPPLY("vdda_dac", "omapdss");
	234
	235	static struct regulator_consumer_supply beagle_vdvi_supply =
	236	REGULATOR_SUPPLY("vdds_dsi", "omapdss");
	237
	238	static void __init beagle_display_init(void)
	239	{
	240	int r;
	241
	242	r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
	243	if (r < 0) {
244	printk(KERN_ERR "Unable to get DVI reset GPIO\n");
245	return;
246	}
247
248	gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
249	}
250
2e12bd7e PW	251	#include "sdram-micron-mt46h32m32lf-6.h"
2e12bd7e PW	252
68ff0423	253	static struct omap2_hsmmc_info mmc[] = {
90c62bf0 TL	254	{
	255	.mmc = 1,
	256	.wires = 8,
	257	.gpio_wp = 29,
	258	},
	259	{} /* Terminator */
	260	};
	261
bb3b9d8e DB	262	static struct regulator_consumer_supply beagle_vmmc1_supply = {
	263	.supply = "vmmc",
	264	};
	265
	266	static struct regulator_consumer_supply beagle_vsim_supply = {
	267	.supply = "vmmc_aux",
	268	};
	269
90c62bf0 TL	270	static struct gpio_led gpio_leds[];
	271
	272	static int beagle_twl_gpio_setup(struct device *dev,
	273	unsigned gpio, unsigned ngpio)
	274	{
cf74d41e RN	275	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
	276	mmc[0].gpio_wp = -EINVAL;
	277	} else if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) \|\|
e4916e11	278	(omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
4896e394	279	omap_mux_init_gpio(23, OMAP_PIN_INPUT);
44e74840 JN	280	mmc[0].gpio_wp = 23;
44e74840 JN	281	} else {
4896e394	282	omap_mux_init_gpio(29, OMAP_PIN_INPUT);
44e74840	283	}
90c62bf0	284	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
145d9c94	285	mmc[0].gpio_cd = gpio + 0;
68ff0423	286	omap2_hsmmc_init(mmc);
90c62bf0	287
bb3b9d8e DB	288	/* link regulators to MMC adapters */
	289	beagle_vmmc1_supply.dev = mmc[0].dev;
	290	beagle_vsim_supply.dev = mmc[0].dev;
	291
90c62bf0 TL	292	/* REVISIT: need ehci-omap hooks for external VBUS
	293	* power switch and overcurrent detect
	294	*/
	295
	296	gpio_request(gpio + 1, "EHCI_nOC");
	297	gpio_direction_input(gpio + 1);
	298
	299	/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
	300	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
e9840dc0	301	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
90c62bf0 TL	302
	303	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	304	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	305
	306	return 0;
	307	}
	308
	309	static struct twl4030_gpio_platform_data beagle_gpio_data = {
	310	.gpio_base = OMAP_MAX_GPIO_LINES,
	311	.irq_base = TWL4030_GPIO_IRQ_BASE,
	312	.irq_end = TWL4030_GPIO_IRQ_END,
	313	.use_leds = true,
	314	.pullups = BIT(1),
	315	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8) \| BIT(13)
	316	\| BIT(15) \| BIT(16) \| BIT(17),
	317	.setup = beagle_twl_gpio_setup,
	318	};
	319
bb3b9d8e DB	320	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	321	static struct regulator_init_data beagle_vmmc1 = {
	322	.constraints = {
	323	.min_uV = 1850000,
	324	.max_uV = 3150000,
	325	.valid_modes_mask = REGULATOR_MODE_NORMAL
	326	\| REGULATOR_MODE_STANDBY,
	327	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	328	\| REGULATOR_CHANGE_MODE
	329	\| REGULATOR_CHANGE_STATUS,
	330	},
	331	.num_consumer_supplies = 1,
	332	.consumer_supplies = &beagle_vmmc1_supply,
	333	};
	334
	335	/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
	336	static struct regulator_init_data beagle_vsim = {
	337	.constraints = {
	338	.min_uV = 1800000,
	339	.max_uV = 3000000,
	340	.valid_modes_mask = REGULATOR_MODE_NORMAL
	341	\| REGULATOR_MODE_STANDBY,
	342	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	343	\| REGULATOR_CHANGE_MODE
	344	\| REGULATOR_CHANGE_STATUS,
	345	},
	346	.num_consumer_supplies = 1,
	347	.consumer_supplies = &beagle_vsim_supply,
	348	};
	349
	350	/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
	351	static struct regulator_init_data beagle_vdac = {
	352	.constraints = {
	353	.min_uV = 1800000,
	354	.max_uV = 1800000,
	355	.valid_modes_mask = REGULATOR_MODE_NORMAL
	356	\| REGULATOR_MODE_STANDBY,
	357	.valid_ops_mask = REGULATOR_CHANGE_MODE
	358	\| REGULATOR_CHANGE_STATUS,
	359	},
	360	.num_consumer_supplies = 1,
	361	.consumer_supplies = &beagle_vdac_supply,
	362	};
	363
	364	/* VPLL2 for digital video outputs */
	365	static struct regulator_init_data beagle_vpll2 = {
	366	.constraints = {
	367	.name = "VDVI",
	368	.min_uV = 1800000,
	369	.max_uV = 1800000,
	370	.valid_modes_mask = REGULATOR_MODE_NORMAL
	371	\| REGULATOR_MODE_STANDBY,
	372	.valid_ops_mask = REGULATOR_CHANGE_MODE
	373	\| REGULATOR_CHANGE_STATUS,
	374	},
	375	.num_consumer_supplies = 1,
	376	.consumer_supplies = &beagle_vdvi_supply,
	377	};
	378
bd04e465 FB	379	static struct twl4030_usb_data beagle_usb_data = {
	380	.usb_mode = T2_USB_MODE_ULPI,
	381	};
	382
e86fa0b4 PU	383	static struct twl4030_codec_audio_data beagle_audio_data = {
	384	.audio_mclk = 26000000,
	385	};
	386
	387	static struct twl4030_codec_data beagle_codec_data = {
6df74efb	388	.audio_mclk = 26000000,
e86fa0b4 PU	389	.audio = &beagle_audio_data,
	390	};
	391
90c62bf0 TL	392	static struct twl4030_platform_data beagle_twldata = {
	393	.irq_base = TWL4030_IRQ_BASE,
	394	.irq_end = TWL4030_IRQ_END,
	395
	396	/* platform_data for children goes here */
bd04e465	397	.usb = &beagle_usb_data,
90c62bf0	398	.gpio = &beagle_gpio_data,
e86fa0b4	399	.codec = &beagle_codec_data,
bb3b9d8e DB	400	.vmmc1 = &beagle_vmmc1,
	401	.vsim = &beagle_vsim,
	402	.vdac = &beagle_vdac,
	403	.vpll2 = &beagle_vpll2,
90c62bf0 TL	404	};
	405
	406	static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
	407	{
	408	I2C_BOARD_INFO("twl4030", 0x48),
	409	.flags = I2C_CLIENT_WAKE,
	410	.irq = INT_34XX_SYS_NIRQ,
	411	.platform_data = &beagle_twldata,
	412	},
	413	};
	414
	415	static int __init omap3_beagle_i2c_init(void)
	416	{
	417	omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
	418	ARRAY_SIZE(beagle_i2c_boardinfo));
8ca7fe26 KK	419	/* Bus 3 is attached to the DVI port where devices like the pico DLP
	420	* projector don't work reliably with 400kHz */
	421	omap_register_i2c_bus(3, 100, NULL, 0);
90c62bf0 TL	422	return 0;
	423	}
	424
2885f000 SMK	425	static struct gpio_led gpio_leds[] = {
	426	{
	427	.name = "beagleboard::usr0",
	428	.default_trigger = "heartbeat",
	429	.gpio = 150,
	430	},
	431	{
	432	.name = "beagleboard::usr1",
	433	.default_trigger = "mmc0",
	434	.gpio = 149,
	435	},
90c62bf0 TL	436	{
	437	.name = "beagleboard::pmu_stat",
	438	.gpio = -EINVAL, /* gets replaced */
	439	.active_low = true,
	440	},
2885f000 SMK	441	};
	442
	443	static struct gpio_led_platform_data gpio_led_info = {
	444	.leds = gpio_leds,
	445	.num_leds = ARRAY_SIZE(gpio_leds),
	446	};
	447
	448	static struct platform_device leds_gpio = {
	449	.name = "leds-gpio",
	450	.id = -1,
	451	.dev = {
	452	.platform_data = &gpio_led_info,
	453	},
	454	};
	455
	456	static struct gpio_keys_button gpio_buttons[] = {
	457	{
	458	.code = BTN_EXTRA,
	459	.gpio = 7,
	460	.desc = "user",
	461	.wakeup = 1,
	462	},
	463	};
	464
	465	static struct gpio_keys_platform_data gpio_key_info = {
	466	.buttons = gpio_buttons,
	467	.nbuttons = ARRAY_SIZE(gpio_buttons),
	468	};
	469
	470	static struct platform_device keys_gpio = {
	471	.name = "gpio-keys",
	472	.id = -1,
	473	.dev = {
	474	.platform_data = &gpio_key_info,
	475	},
	476	};
	477
b3c6df3a PW	478	static void __init omap3_beagle_init_irq(void)
b3c6df3a PW	479	{
b3c6df3a PW	480	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
	481	mt46h32m32lf6_sdrc_params);
	482	omap_init_irq();
	483	#ifdef CONFIG_OMAP_32K_TIMER
	484	omap2_gp_clockevent_set_gptimer(12);
	485	#endif
	486	omap_gpio_init();
	487	}
	488
2885f000	489	static struct platform_device *omap3_beagle_devices[] __initdata = {
2885f000 SMK	490	&leds_gpio,
2885f000 SMK	491	&keys_gpio,
044d32ff	492	&beagle_dss_device,
2885f000 SMK	493	};
	494
	495	static void __init omap3beagle_flash_init(void)
	496	{
	497	u8 cs = 0;
	498	u8 nandcs = GPMC_CS_NUM + 1;
	499
2885f000 SMK	500	/* find out the chip-select on which NAND exists */
	501	while (cs < GPMC_CS_NUM) {
	502	u32 ret = 0;
	503	ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
	504
	505	if ((ret & 0xC00) == 0x800) {
	506	printk(KERN_INFO "Found NAND on CS%d\n", cs);
	507	if (nandcs > GPMC_CS_NUM)
	508	nandcs = cs;
	509	}
	510	cs++;
	511	}
	512
	513	if (nandcs > GPMC_CS_NUM) {
	514	printk(KERN_INFO "NAND: Unable to find configuration "
	515	"in GPMC\n ");
	516	return;
	517	}
	518
	519	if (nandcs < GPMC_CS_NUM) {
	520	omap3beagle_nand_data.cs = nandcs;
2885f000 SMK	521
2885f000 SMK	522	printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
f450d867	523	if (gpmc_nand_init(&omap3beagle_nand_data) < 0)
2885f000 SMK	524	printk(KERN_ERR "Unable to register NAND device\n");
	525	}
	526	}
	527
6f69a181	528	static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
58a5491c FB	529
	530	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
	531	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
	532	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
	533
	534	.phy_reset = true,
	535	.reset_gpio_port[0] = -EINVAL,
	536	.reset_gpio_port[1] = 147,
	537	.reset_gpio_port[2] = -EINVAL
	538	};
	539
ca5742bd TL	540	#ifdef CONFIG_OMAP_MUX
	541	static struct omap_board_mux board_mux[] __initdata = {
	542	{ .reg_offset = OMAP_MUX_TERMINATOR },
	543	};
	544	#else
	545	#define board_mux NULL
	546	#endif
	547
884b8369 MM	548	static struct omap_musb_board_data musb_board_data = {
	549	.interface_type = MUSB_INTERFACE_ULPI,
	550	.mode = MUSB_OTG,
	551	.power = 100,
	552	};
	553
2885f000 SMK	554	static void __init omap3_beagle_init(void)
2885f000 SMK	555	{
ca5742bd	556	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
954bed04	557	omap3_beagle_init_rev();
90c62bf0	558	omap3_beagle_i2c_init();
2885f000 SMK	559	platform_add_devices(omap3_beagle_devices,
2885f000 SMK	560	ARRAY_SIZE(omap3_beagle_devices));
2885f000	561	omap_serial_init();
90c62bf0	562
4896e394	563	omap_mux_init_gpio(170, OMAP_PIN_INPUT);
90c62bf0 TL	564	gpio_request(170, "DVI_nPD");
	565	/* REVISIT leave DVI powered down until it's needed ... */
	566	gpio_direction_output(170, true);
	567
884b8369	568	usb_musb_init(&musb_board_data);
58a5491c	569	usb_ehci_init(&ehci_pdata);
2885f000	570	omap3beagle_flash_init();
9fb97412 JP	571
9fb97412 JP	572	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	573	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	574	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
044d32ff KK	575
044d32ff KK	576	beagle_display_init();
2885f000 SMK	577	}
2885f000 SMK	578
2885f000 SMK	579	MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
	580	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
	581	.phys_io = 0x48000000,
b4224b23	582	.io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
2885f000	583	.boot_params = 0x80000100,
869fef41	584	.map_io = omap3_map_io,
71ee7dad	585	.reserve = omap_reserve,
2885f000 SMK	586	.init_irq = omap3_beagle_init_irq,
	587	.init_machine = omap3_beagle_init,
	588	.timer = &omap_timer,
	589	MACHINE_END