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

#include "common.h"
#include <video/omapdss.h>
#include <video/omap-panel-tfp410.h>
#include "gpmc.h"
#include <linux/platform_data/mtd-nand-omap2.h>
#include <plat/usb.h>
#include "omap_device.h"

#include "mux.h"
#include "hsmmc.h"
#include "pm.h"
#include "board-flash.h"
#include "common-board-devices.h"

#define	NAND_CS	0

/*
 * 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
 *	XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
 *	XMC = GPIO173, GPIO172, GPIO171: 0 1 0
 */
enum {
	OMAP3BEAGLE_BOARD_UNKN = 0,
	OMAP3BEAGLE_BOARD_AXBX,
	OMAP3BEAGLE_BOARD_C1_3,
	OMAP3BEAGLE_BOARD_C4,
	OMAP3BEAGLE_BOARD_XM,
	OMAP3BEAGLE_BOARD_XMC,
};

static u8 omap3_beagle_version;

/*
 * Board-specific configuration
 * Defaults to BeagleBoard-xMC
 */
static struct {
	int mmc1_gpio_wp;
	int usb_pwr_level;
	int dvi_pd_gpio;
	int usr_button_gpio;
	int mmc_caps;
} beagle_config = {
	.mmc1_gpio_wp = -EINVAL,
	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
	.dvi_pd_gpio = -EINVAL,
	.usr_button_gpio = 4,
	.mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
};

static struct gpio omap3_beagle_rev_gpios[] __initdata = {
	{ 171, GPIOF_IN, "rev_id_0"    },
	{ 172, GPIOF_IN, "rev_id_1" },
	{ 173, GPIOF_IN, "rev_id_2"    },
};

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_array(omap3_beagle_rev_gpios,
				 ARRAY_SIZE(omap3_beagle_rev_gpios));
	if (ret < 0) {
		printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
		return;
	}

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

	gpio_free_array(omap3_beagle_rev_gpios,
			ARRAY_SIZE(omap3_beagle_rev_gpios));

	switch (beagle_rev) {
	case 7:
		printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
		beagle_config.mmc1_gpio_wp = 29;
		beagle_config.dvi_pd_gpio = 170;
		beagle_config.usr_button_gpio = 7;
		break;
	case 6:
		printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
		beagle_config.mmc1_gpio_wp = 23;
		beagle_config.dvi_pd_gpio = 170;
		beagle_config.usr_button_gpio = 7;
		break;
	case 5:
		printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
		beagle_config.mmc1_gpio_wp = 23;
		beagle_config.dvi_pd_gpio = 170;
		beagle_config.usr_button_gpio = 7;
		break;
	case 0:
		printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
		beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
		beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
		break;
	case 2:
		printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
		omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
		beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
		break;
	default:
		printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
		omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	}
}

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,
	},
};

/* DSS */

static struct tfp410_platform_data dvi_panel = {
	.i2c_bus_num = 3,
	.power_down_gpio = -1,
};

static struct omap_dss_device beagle_dvi_device = {
	.type = OMAP_DISPLAY_TYPE_DPI,
	.name = "dvi",
	.driver_name = "tfp410",
	.data = &dvi_panel,
	.phy.dpi.data_lines = 24,
};

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,
};

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

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_wp	= -EINVAL,
		.deferred	= true,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

static struct regulator_consumer_supply beagle_vsim_supply[] = {
	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};

static struct gpio_led gpio_leds[];

static int beagle_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	int r;

	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	mmc[0].gpio_cd = gpio + 0;
	omap_hsmmc_late_init(mmc);

	/*
	 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	 * high / others active low)
	 * DVI reset GPIO is different between beagle revisions
	 */
	/* Valid for all -xM revisions */
	if (cpu_is_omap3630()) {
		/*
		 * gpio + 1 on Xm controls the TFP410's enable line (active low)
		 * gpio + 2 control varies depending on the board rev as below:
		 * P7/P8 revisions(prototype): Camera EN
		 * A2+ revisions (production): LDO (DVI, serial, led blocks)
		 */
		r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
				     "nDVI_PWR_EN");
		if (r)
			pr_err("%s: unable to configure nDVI_PWR_EN\n",
				__func__);

		beagle_config.dvi_pd_gpio = gpio + 2;

	} else {
		/*
		 * REVISIT: need ehci-omap hooks for external VBUS
		 * power switch and overcurrent detect
		 */
		if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
			pr_err("%s: unable to configure EHCI_nOC\n", __func__);
	}
	dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;

	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
			"nEN_USB_PWR");

	/* 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 = {
	.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	= ARRAY_SIZE(beagle_vmmc1_supply),
	.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	= ARRAY_SIZE(beagle_vsim_supply),
	.consumer_supplies	= beagle_vsim_supply,
};

static struct twl4030_platform_data beagle_twldata = {
	/* platform_data for children goes here */
	.gpio		= &beagle_gpio_data,
	.vmmc1		= &beagle_vmmc1,
	.vsim		= &beagle_vsim,
};

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

static int __init omap3_beagle_i2c_init(void)
{
	omap3_pmic_get_config(&beagle_twldata,
			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
			TWL_COMMON_PDATA_AUDIO,
			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

	beagle_twldata.vpll2->constraints.name = "VDVI";

	omap3_pmic_init("twl4030", &beagle_twldata);
	/* 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,
		/* Dynamically assigned depending on board */
		.gpio			= -EINVAL,
		.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 struct platform_device madc_hwmon = {
	.name	= "twl4030_madc_hwmon",
	.id	= -1,
};

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

static const struct usbhs_omap_board_data usbhs_bdata __initconst = {

	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

	.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 void __init beagle_opp_init(void)
{
	int r = 0;

	/* Initialize the omap3 opp table */
	if (omap3_opp_init()) {
		pr_err("%s: opp default init failed\n", __func__);
		return;
	}

	/* Custom OPP enabled for all xM versions */
	if (cpu_is_omap3630()) {
		struct device *mpu_dev, *iva_dev;

		mpu_dev = omap_device_get_by_hwmod_name("mpu");
		iva_dev = omap_device_get_by_hwmod_name("iva");

		if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
			pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
				__func__, mpu_dev, iva_dev);
			return;
		}
		/* Enable MPU 1GHz and lower opps */
		r = opp_enable(mpu_dev, 800000000);
		/* TODO: MPU 1GHz needs SR and ABB */

		/* Enable IVA 800MHz and lower opps */
		r |= opp_enable(iva_dev, 660000000);
		/* TODO: DSP 800MHz needs SR and ABB */
		if (r) {
			pr_err("%s: failed to enable higher opp %d\n",
				__func__, r);
			/*
			 * Cleanup - disable the higher freqs - we dont care
			 * about the results
			 */
			opp_disable(mpu_dev, 800000000);
			opp_disable(iva_dev, 660000000);
		}
	}
	return;
}

static void __init omap3_beagle_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap3_beagle_init_rev();

	if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
		omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
	mmc[0].caps = beagle_config.mmc_caps;
	omap_hsmmc_init(mmc);

	omap3_beagle_i2c_init();

	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;

	platform_add_devices(omap3_beagle_devices,
			ARRAY_SIZE(omap3_beagle_devices));
	if (gpio_is_valid(beagle_config.dvi_pd_gpio))
		omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
	omap_display_init(&beagle_dss_data);
	omap_serial_init();
	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
				  mt46h32m32lf6_sdrc_params);

	usb_musb_init(NULL);
	usbhs_init(&usbhs_bdata);
	board_nand_init(omap3beagle_nand_partitions,
			ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
			NAND_BUSWIDTH_16, NULL);
	omap_twl4030_audio_init("omap3beagle");

	/* Ensure msecure is mux'd to be able to set the RTC. */
	omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);

	/* 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_opp_init();
}

MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap3_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= omap3_beagle_init,
	.init_late	= omap3_init_late,
	.timer		= &omap3_secure_timer,
	.restart	= omap_prcm_restart,
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>
8743410d	26	#include <linux/opp.h>
2885f000 SMK	27
	28	#include <linux/mtd/mtd.h>
	29	#include <linux/mtd/partitions.h>
	30	#include <linux/mtd/nand.h>
3a63833e	31	#include <linux/mmc/host.h>
2885f000	32
bb3b9d8e	33	#include <linux/regulator/machine.h>
b07682b6	34	#include <linux/i2c/twl.h>
145d9c94	35
2885f000 SMK	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
4e65331c	41	#include "common.h"
a0b38cc4	42	#include <video/omapdss.h>
dac8eb5f	43	#include <video/omap-panel-tfp410.h>
3ef5d007	44	#include "gpmc.h"
2203747c	45	#include <linux/platform_data/mtd-nand-omap2.h>
ce491cf8	46	#include <plat/usb.h>
25c7d49e	47	#include "omap_device.h"
2885f000	48
ca5742bd	49	#include "mux.h"
d02a900b	50	#include "hsmmc.h"
8743410d	51	#include "pm.h"
2e618261	52	#include "board-flash.h"
fbd8071c	53	#include "common-board-devices.h"
2885f000	54
2e618261 AM	55	#define NAND_CS 0
2e618261 AM	56
954bed04 RN	57	/*
	58	* OMAP3 Beagle revision
	59	* Run time detection of Beagle revision is done by reading GPIO.
	60	* GPIO ID -
	61	* AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
	62	* C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
	63	* C4 = GPIO173, GPIO172, GPIO171: 1 0 1
5fe8b4c1 JF	64	* XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
5fe8b4c1 JF	65	* XMC = GPIO173, GPIO172, GPIO171: 0 1 0
954bed04 RN	66	*/
	67	enum {
	68	OMAP3BEAGLE_BOARD_UNKN = 0,
	69	OMAP3BEAGLE_BOARD_AXBX,
	70	OMAP3BEAGLE_BOARD_C1_3,
	71	OMAP3BEAGLE_BOARD_C4,
	72	OMAP3BEAGLE_BOARD_XM,
5fe8b4c1	73	OMAP3BEAGLE_BOARD_XMC,
954bed04 RN	74	};
	75
	76	static u8 omap3_beagle_version;
	77
5fe8b4c1 JF	78	/*
	79	* Board-specific configuration
	80	* Defaults to BeagleBoard-xMC
	81	*/
	82	static struct {
	83	int mmc1_gpio_wp;
	84	int usb_pwr_level;
aef2b896	85	int dvi_pd_gpio;
5fe8b4c1	86	int usr_button_gpio;
1afb82e4	87	int mmc_caps;
5fe8b4c1 JF	88	} beagle_config = {
	89	.mmc1_gpio_wp = -EINVAL,
	90	.usb_pwr_level = GPIOF_OUT_INIT_LOW,
aef2b896	91	.dvi_pd_gpio = -EINVAL,
5fe8b4c1	92	.usr_button_gpio = 4,
1afb82e4	93	.mmc_caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_8_BIT_DATA,
5fe8b4c1	94	};
954bed04	95
bc593f5d IG	96	static struct gpio omap3_beagle_rev_gpios[] __initdata = {
	97	{ 171, GPIOF_IN, "rev_id_0" },
	98	{ 172, GPIOF_IN, "rev_id_1" },
	99	{ 173, GPIOF_IN, "rev_id_2" },
	100	};
	101
954bed04 RN	102	static void __init omap3_beagle_init_rev(void)
	103	{
	104	int ret;
	105	u16 beagle_rev = 0;
	106
	107	omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
	108	omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
	109	omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
	110
bc593f5d IG	111	ret = gpio_request_array(omap3_beagle_rev_gpios,
	112	ARRAY_SIZE(omap3_beagle_rev_gpios));
	113	if (ret < 0) {
	114	printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
	115	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	116	return;
	117	}
954bed04 RN	118
	119	beagle_rev = gpio_get_value(171) \| (gpio_get_value(172) << 1)
	120	\| (gpio_get_value(173) << 2);
	121
5e2ffc30 TK	122	gpio_free_array(omap3_beagle_rev_gpios,
	123	ARRAY_SIZE(omap3_beagle_rev_gpios));
	124
954bed04 RN	125	switch (beagle_rev) {
	126	case 7:
	127	printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
	128	omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
5fe8b4c1	129	beagle_config.mmc1_gpio_wp = 29;
aef2b896	130	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	131	beagle_config.usr_button_gpio = 7;
954bed04 RN	132	break;
	133	case 6:
	134	printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
	135	omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
5fe8b4c1	136	beagle_config.mmc1_gpio_wp = 23;
aef2b896	137	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	138	beagle_config.usr_button_gpio = 7;
954bed04 RN	139	break;
	140	case 5:
	141	printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
	142	omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
5fe8b4c1	143	beagle_config.mmc1_gpio_wp = 23;
aef2b896	144	beagle_config.dvi_pd_gpio = 170;
5fe8b4c1	145	beagle_config.usr_button_gpio = 7;
954bed04 RN	146	break;
954bed04 RN	147	case 0:
5fe8b4c1	148	printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
954bed04	149	omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
5fe8b4c1	150	beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
1afb82e4	151	beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
5fe8b4c1 JF	152	break;
	153	case 2:
	154	printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
	155	omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
1afb82e4	156	beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
954bed04 RN	157	break;
	158	default:
	159	printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
	160	omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
	161	}
954bed04 RN	162	}
954bed04 RN	163
2885f000 SMK	164	static struct mtd_partition omap3beagle_nand_partitions[] = {
	165	/* All the partition sizes are listed in terms of NAND block size */
	166	{
	167	.name = "X-Loader",
	168	.offset = 0,
	169	.size = 4 * NAND_BLOCK_SIZE,
	170	.mask_flags = MTD_WRITEABLE, /* force read-only */
	171	},
	172	{
	173	.name = "U-Boot",
	174	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	175	.size = 15 * NAND_BLOCK_SIZE,
	176	.mask_flags = MTD_WRITEABLE, /* force read-only */
	177	},
	178	{
	179	.name = "U-Boot Env",
	180	.offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
	181	.size = 1 * NAND_BLOCK_SIZE,
	182	},
	183	{
	184	.name = "Kernel",
	185	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	186	.size = 32 * NAND_BLOCK_SIZE,
	187	},
	188	{
	189	.name = "File System",
	190	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	191	.size = MTDPART_SIZ_FULL,
	192	},
	193	};
	194
044d32ff KK	195	/* DSS */
044d32ff KK	196
2e6f2ee7	197	static struct tfp410_platform_data dvi_panel = {
fcca7194	198	.i2c_bus_num = 3,
e813a55e	199	.power_down_gpio = -1,
89747c91 BW	200	};
89747c91 BW	201
044d32ff KK	202	static struct omap_dss_device beagle_dvi_device = {
	203	.type = OMAP_DISPLAY_TYPE_DPI,
	204	.name = "dvi",
2e6f2ee7	205	.driver_name = "tfp410",
89747c91	206	.data = &dvi_panel,
044d32ff	207	.phy.dpi.data_lines = 24,
044d32ff KK	208	};
	209
	210	static struct omap_dss_device beagle_tv_device = {
	211	.name = "tv",
	212	.driver_name = "venc",
	213	.type = OMAP_DISPLAY_TYPE_VENC,
	214	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	215	};
	216
	217	static struct omap_dss_device *beagle_dss_devices[] = {
	218	&beagle_dvi_device,
	219	&beagle_tv_device,
	220	};
	221
	222	static struct omap_dss_board_info beagle_dss_data = {
	223	.num_devices = ARRAY_SIZE(beagle_dss_devices),
	224	.devices = beagle_dss_devices,
	225	.default_device = &beagle_dvi_device,
	226	};
	227
2e12bd7e PW	228	#include "sdram-micron-mt46h32m32lf-6.h"
2e12bd7e PW	229
68ff0423	230	static struct omap2_hsmmc_info mmc[] = {
90c62bf0 TL	231	{
90c62bf0 TL	232	.mmc = 1,
1afb82e4	233	.caps = MMC_CAP_4_BIT_DATA,
5fe8b4c1	234	.gpio_wp = -EINVAL,
3b972bf0	235	.deferred = true,
90c62bf0 TL	236	},
	237	{} /* Terminator */
	238	};
	239
786b01a8 OD	240	static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
786b01a8 OD	241	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
bb3b9d8e DB	242	};
bb3b9d8e DB	243
786b01a8 OD	244	static struct regulator_consumer_supply beagle_vsim_supply[] = {
786b01a8 OD	245	REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
bb3b9d8e DB	246	};
bb3b9d8e DB	247
90c62bf0 TL	248	static struct gpio_led gpio_leds[];
	249
	250	static int beagle_twl_gpio_setup(struct device *dev,
	251	unsigned gpio, unsigned ngpio)
	252	{
5fe8b4c1 JF	253	int r;
5fe8b4c1 JF	254
5fe8b4c1	255	mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
90c62bf0	256	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
145d9c94	257	mmc[0].gpio_cd = gpio + 0;
3b972bf0	258	omap_hsmmc_late_init(mmc);
90c62bf0	259
68fc3e15 KK	260	/*
	261	* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
	262	* high / others active low)
bc593f5d	263	* DVI reset GPIO is different between beagle revisions
1bd9ef19	264	*/
5fe8b4c1 JF	265	/* Valid for all -xM revisions */
5fe8b4c1 JF	266	if (cpu_is_omap3630()) {
bc593f5d IG	267	/*
	268	* gpio + 1 on Xm controls the TFP410's enable line (active low)
	269	* gpio + 2 control varies depending on the board rev as below:
	270	* P7/P8 revisions(prototype): Camera EN
	271	* A2+ revisions (production): LDO (DVI, serial, led blocks)
	272	*/
	273	r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
	274	"nDVI_PWR_EN");
1bd9ef19 KK	275	if (r)
	276	pr_err("%s: unable to configure nDVI_PWR_EN\n",
	277	__func__);
aef2b896 RD	278
	279	beagle_config.dvi_pd_gpio = gpio + 2;
	280
bc593f5d	281	} else {
bc593f5d IG	282	/*
	283	* REVISIT: need ehci-omap hooks for external VBUS
	284	* power switch and overcurrent detect
	285	*/
	286	if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
	287	pr_err("%s: unable to configure EHCI_nOC\n", __func__);
1bd9ef19	288	}
aef2b896	289	dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
1bd9ef19	290
5fe8b4c1 JF	291	gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
5fe8b4c1 JF	292	"nEN_USB_PWR");
bc593f5d IG	293
	294	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	295	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	296
90c62bf0 TL	297	return 0;
	298	}
	299
	300	static struct twl4030_gpio_platform_data beagle_gpio_data = {
90c62bf0 TL	301	.use_leds = true,
	302	.pullups = BIT(1),
	303	.pulldowns = BIT(2) \| BIT(6) \| BIT(7) \| BIT(8) \| BIT(13)
	304	\| BIT(15) \| BIT(16) \| BIT(17),
	305	.setup = beagle_twl_gpio_setup,
	306	};
	307
bb3b9d8e DB	308	/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
	309	static struct regulator_init_data beagle_vmmc1 = {
	310	.constraints = {
	311	.min_uV = 1850000,
	312	.max_uV = 3150000,
	313	.valid_modes_mask = REGULATOR_MODE_NORMAL
	314	\| REGULATOR_MODE_STANDBY,
	315	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	316	\| REGULATOR_CHANGE_MODE
	317	\| REGULATOR_CHANGE_STATUS,
	318	},
786b01a8 OD	319	.num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply),
786b01a8 OD	320	.consumer_supplies = beagle_vmmc1_supply,
bb3b9d8e DB	321	};
	322
	323	/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
	324	static struct regulator_init_data beagle_vsim = {
	325	.constraints = {
	326	.min_uV = 1800000,
	327	.max_uV = 3000000,
	328	.valid_modes_mask = REGULATOR_MODE_NORMAL
	329	\| REGULATOR_MODE_STANDBY,
	330	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	331	\| REGULATOR_CHANGE_MODE
	332	\| REGULATOR_CHANGE_STATUS,
	333	},
786b01a8 OD	334	.num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply),
786b01a8 OD	335	.consumer_supplies = beagle_vsim_supply,
bb3b9d8e DB	336	};
bb3b9d8e DB	337
90c62bf0	338	static struct twl4030_platform_data beagle_twldata = {
90c62bf0 TL	339	/* platform_data for children goes here */
90c62bf0 TL	340	.gpio = &beagle_gpio_data,
bb3b9d8e DB	341	.vmmc1 = &beagle_vmmc1,
bb3b9d8e DB	342	.vsim = &beagle_vsim,
90c62bf0 TL	343	};
90c62bf0 TL	344
e3333f48 MP	345	static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
	346	{
	347	I2C_BOARD_INFO("eeprom", 0x50),
	348	},
	349	};
	350
90c62bf0 TL	351	static int __init omap3_beagle_i2c_init(void)
90c62bf0 TL	352	{
827ed9ae	353	omap3_pmic_get_config(&beagle_twldata,
cdcc966d KM	354	TWL_COMMON_PDATA_USB \| TWL_COMMON_PDATA_MADC \|
cdcc966d KM	355	TWL_COMMON_PDATA_AUDIO,
b252b0ef PU	356	TWL_COMMON_REGULATOR_VDAC \| TWL_COMMON_REGULATOR_VPLL2);
	357
	358	beagle_twldata.vpll2->constraints.name = "VDVI";
	359
fbd8071c	360	omap3_pmic_init("twl4030", &beagle_twldata);
8ca7fe26 KK	361	/* Bus 3 is attached to the DVI port where devices like the pico DLP
8ca7fe26 KK	362	* projector don't work reliably with 400kHz */
e3333f48	363	omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
90c62bf0 TL	364	return 0;
	365	}
	366
2885f000 SMK	367	static struct gpio_led gpio_leds[] = {
	368	{
	369	.name = "beagleboard::usr0",
	370	.default_trigger = "heartbeat",
	371	.gpio = 150,
	372	},
	373	{
	374	.name = "beagleboard::usr1",
	375	.default_trigger = "mmc0",
	376	.gpio = 149,
	377	},
90c62bf0 TL	378	{
	379	.name = "beagleboard::pmu_stat",
	380	.gpio = -EINVAL, /* gets replaced */
	381	.active_low = true,
	382	},
2885f000 SMK	383	};
	384
	385	static struct gpio_led_platform_data gpio_led_info = {
	386	.leds = gpio_leds,
	387	.num_leds = ARRAY_SIZE(gpio_leds),
	388	};
	389
	390	static struct platform_device leds_gpio = {
	391	.name = "leds-gpio",
	392	.id = -1,
	393	.dev = {
	394	.platform_data = &gpio_led_info,
	395	},
	396	};
	397
	398	static struct gpio_keys_button gpio_buttons[] = {
	399	{
	400	.code = BTN_EXTRA,
5fe8b4c1 JF	401	/* Dynamically assigned depending on board */
5fe8b4c1 JF	402	.gpio = -EINVAL,
2885f000 SMK	403	.desc = "user",
	404	.wakeup = 1,
	405	},
	406	};
	407
	408	static struct gpio_keys_platform_data gpio_key_info = {
	409	.buttons = gpio_buttons,
	410	.nbuttons = ARRAY_SIZE(gpio_buttons),
	411	};
	412
	413	static struct platform_device keys_gpio = {
	414	.name = "gpio-keys",
	415	.id = -1,
	416	.dev = {
	417	.platform_data = &gpio_key_info,
	418	},
	419	};
	420
cdcc966d KM	421	static struct platform_device madc_hwmon = {
	422	.name = "twl4030_madc_hwmon",
	423	.id = -1,
	424	};
	425
2885f000	426	static struct platform_device *omap3_beagle_devices[] __initdata = {
2885f000 SMK	427	&leds_gpio,
2885f000 SMK	428	&keys_gpio,
cdcc966d	429	&madc_hwmon,
2885f000 SMK	430	};
2885f000 SMK	431
181b250c	432	static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
58a5491c	433
f6f6c9a5	434	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
181b250c KM	435	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
181b250c KM	436	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
58a5491c FB	437
	438	.phy_reset = true,
	439	.reset_gpio_port[0] = -EINVAL,
	440	.reset_gpio_port[1] = 147,
	441	.reset_gpio_port[2] = -EINVAL
	442	};
	443
ca5742bd TL	444	#ifdef CONFIG_OMAP_MUX
	445	static struct omap_board_mux board_mux[] __initdata = {
	446	{ .reg_offset = OMAP_MUX_TERMINATOR },
	447	};
ca5742bd TL	448	#endif
ca5742bd TL	449
8743410d NM	450	static void __init beagle_opp_init(void)
	451	{
	452	int r = 0;
	453
	454	/* Initialize the omap3 opp table */
	455	if (omap3_opp_init()) {
	456	pr_err("%s: opp default init failed\n", __func__);
	457	return;
	458	}
	459
5fe8b4c1 JF	460	/* Custom OPP enabled for all xM versions */
5fe8b4c1 JF	461	if (cpu_is_omap3630()) {
8c7f6594	462	struct device mpu_dev, iva_dev;
8743410d	463
b1621fc8 BC	464	mpu_dev = omap_device_get_by_hwmod_name("mpu");
b1621fc8 BC	465	iva_dev = omap_device_get_by_hwmod_name("iva");
8c7f6594	466
104c7949	467	if (IS_ERR(mpu_dev) \|\| IS_ERR(iva_dev)) {
8743410d	468	pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
8c7f6594	469	__func__, mpu_dev, iva_dev);
8743410d NM	470	return;
	471	}
	472	/* Enable MPU 1GHz and lower opps */
8c7f6594	473	r = opp_enable(mpu_dev, 800000000);
8743410d NM	474	/* TODO: MPU 1GHz needs SR and ABB */
	475
	476	/* Enable IVA 800MHz and lower opps */
8c7f6594	477	r \|= opp_enable(iva_dev, 660000000);
8743410d NM	478	/* TODO: DSP 800MHz needs SR and ABB */
	479	if (r) {
	480	pr_err("%s: failed to enable higher opp %d\n",
	481	__func__, r);
	482	/*
	483	* Cleanup - disable the higher freqs - we dont care
	484	* about the results
	485	*/
8c7f6594 KH	486	opp_disable(mpu_dev, 800000000);
8c7f6594 KH	487	opp_disable(iva_dev, 660000000);
8743410d NM	488	}
	489	}
	490	return;
	491	}
	492
2885f000 SMK	493	static void __init omap3_beagle_init(void)
2885f000 SMK	494	{
ca5742bd	495	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
954bed04	496	omap3_beagle_init_rev();
d1589f09	497
aef2b896	498	if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
d1589f09	499	omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
1afb82e4	500	mmc[0].caps = beagle_config.mmc_caps;
3b972bf0	501	omap_hsmmc_init(mmc);
d1589f09	502
90c62bf0	503	omap3_beagle_i2c_init();
5fe8b4c1 JF	504
	505	gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
	506
2885f000 SMK	507	platform_add_devices(omap3_beagle_devices,
2885f000 SMK	508	ARRAY_SIZE(omap3_beagle_devices));
aef2b896 RD	509	if (gpio_is_valid(beagle_config.dvi_pd_gpio))
aef2b896 RD	510	omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
d5e13227	511	omap_display_init(&beagle_dss_data);
2885f000	512	omap_serial_init();
a4ca9dbe TL	513	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
a4ca9dbe TL	514	mt46h32m32lf6_sdrc_params);
90c62bf0	515
9e18630b	516	usb_musb_init(NULL);
9e64bb1e	517	usbhs_init(&usbhs_bdata);
2e618261 AM	518	board_nand_init(omap3beagle_nand_partitions,
	519	ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
	520	NAND_BUSWIDTH_16, NULL);
ac51c90f	521	omap_twl4030_audio_init("omap3beagle");
9fb97412	522
e2a346a2 AH	523	/* Ensure msecure is mux'd to be able to set the RTC. */
	524	omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
	525
9fb97412	526	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	527	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	528	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
044d32ff	529
8743410d	530	beagle_opp_init();
2885f000 SMK	531	}
2885f000 SMK	532
2885f000 SMK	533	MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
2885f000 SMK	534	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
5e52b435	535	.atag_offset = 0x100,
71ee7dad	536	.reserve = omap_reserve,
3dc3bad6	537	.map_io = omap3_map_io,
7b250aff	538	.init_early = omap3_init_early,
be732460	539	.init_irq = omap3_init_irq,
6b2f55d7	540	.handle_irq = omap3_intc_handle_irq,
2885f000	541	.init_machine = omap3_beagle_init,
bbd707ac	542	.init_late = omap3_init_late,
e74984e4	543	.timer = &omap3_secure_timer,
baa95883	544	.restart = omap_prcm_restart,
2885f000	545	MACHINE_END