[linux-2.6-block.git] / arch / arm / plat-omap / devices.c

/*
 * linux/arch/arm/plat-omap/devices.c
 *
 * Common platform device setup/initialization for OMAP1 and OMAP2
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>

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

#include <mach/tc.h>
#include <mach/control.h>
#include <mach/board.h>
#include <mach/mmc.h>
#include <mach/mux.h>
#include <mach/gpio.h>
#include <mach/menelaus.h>
#include <mach/mcbsp.h>
#include <mach/dsp_common.h>

#if	defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)

static struct dsp_platform_data dsp_pdata = {
	.kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
};

static struct resource omap_dsp_resources[] = {
	{
		.name	= "dsp_mmu",
		.start	= -1,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device omap_dsp_device = {
	.name		= "dsp",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(omap_dsp_resources),
	.resource	= omap_dsp_resources,
	.dev = {
		.platform_data = &dsp_pdata,
	},
};

static inline void omap_init_dsp(void)
{
	struct resource *res;
	int irq;

	if (cpu_is_omap15xx())
		irq = INT_1510_DSP_MMU;
	else if (cpu_is_omap16xx())
		irq = INT_1610_DSP_MMU;
	else if (cpu_is_omap24xx())
		irq = INT_24XX_DSP_MMU;

	res = platform_get_resource_byname(&omap_dsp_device,
					   IORESOURCE_IRQ, "dsp_mmu");
	res->start = irq;

	platform_device_register(&omap_dsp_device);
}

int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
{
	static DEFINE_MUTEX(dsp_pdata_lock);

	spin_lock_init(&kdev->lock);

	mutex_lock(&dsp_pdata_lock);
	list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
	mutex_unlock(&dsp_pdata_lock);

	return 0;
}
EXPORT_SYMBOL(dsp_kfunc_device_register);

#else
static inline void omap_init_dsp(void) { }
#endif	/* CONFIG_OMAP_DSP */

/*-------------------------------------------------------------------------*/
#if	defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)

static void omap_init_kp(void)
{
	/* 2430 and 34xx keypad is on TWL4030 */
	if (cpu_is_omap2430() || cpu_is_omap34xx())
		return;

	if (machine_is_omap_h2() || machine_is_omap_h3()) {
		omap_cfg_reg(F18_1610_KBC0);
		omap_cfg_reg(D20_1610_KBC1);
		omap_cfg_reg(D19_1610_KBC2);
		omap_cfg_reg(E18_1610_KBC3);
		omap_cfg_reg(C21_1610_KBC4);

		omap_cfg_reg(G18_1610_KBR0);
		omap_cfg_reg(F19_1610_KBR1);
		omap_cfg_reg(H14_1610_KBR2);
		omap_cfg_reg(E20_1610_KBR3);
		omap_cfg_reg(E19_1610_KBR4);
		omap_cfg_reg(N19_1610_KBR5);
	} else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
		omap_cfg_reg(E2_730_KBR0);
		omap_cfg_reg(J7_730_KBR1);
		omap_cfg_reg(E1_730_KBR2);
		omap_cfg_reg(F3_730_KBR3);
		omap_cfg_reg(D2_730_KBR4);

		omap_cfg_reg(C2_730_KBC0);
		omap_cfg_reg(D3_730_KBC1);
		omap_cfg_reg(E4_730_KBC2);
		omap_cfg_reg(F4_730_KBC3);
		omap_cfg_reg(E3_730_KBC4);
	} else if (machine_is_omap_h4()) {
		omap_cfg_reg(T19_24XX_KBR0);
		omap_cfg_reg(R19_24XX_KBR1);
		omap_cfg_reg(V18_24XX_KBR2);
		omap_cfg_reg(M21_24XX_KBR3);
		omap_cfg_reg(E5__24XX_KBR4);
		if (omap_has_menelaus()) {
			omap_cfg_reg(B3__24XX_KBR5);
			omap_cfg_reg(AA4_24XX_KBC2);
			omap_cfg_reg(B13_24XX_KBC6);
		} else {
			omap_cfg_reg(M18_24XX_KBR5);
			omap_cfg_reg(H19_24XX_KBC2);
			omap_cfg_reg(N19_24XX_KBC6);
		}
		omap_cfg_reg(R20_24XX_KBC0);
		omap_cfg_reg(M14_24XX_KBC1);
		omap_cfg_reg(V17_24XX_KBC3);
		omap_cfg_reg(P21_24XX_KBC4);
		omap_cfg_reg(L14_24XX_KBC5);
	}
}
#else
static inline void omap_init_kp(void) {}
#endif

/*-------------------------------------------------------------------------*/
#if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)

static struct platform_device **omap_mcbsp_devices;

void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
					int size)
{
	int i;

	omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
				     GFP_KERNEL);
	if (!omap_mcbsp_devices) {
		printk(KERN_ERR "Could not register McBSP devices\n");
		return;
	}

	for (i = 0; i < size; i++) {
		struct platform_device *new_mcbsp;
		int ret;

		new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
		if (!new_mcbsp)
			continue;
		new_mcbsp->dev.platform_data = &config[i];
		ret = platform_device_add(new_mcbsp);
		if (ret) {
			platform_device_put(new_mcbsp);
			continue;
		}
		omap_mcbsp_devices[i] = new_mcbsp;
	}
}

#else
void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
					int size)
{  }
#endif

/*-------------------------------------------------------------------------*/

#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
	defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)

#define OMAP_MMC_NR_RES		2

/*
 * Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
 */
int __init omap_mmc_add(const char *name, int id, unsigned long base,
				unsigned long size, unsigned int irq,
				struct omap_mmc_platform_data *data)
{
	struct platform_device *pdev;
	struct resource res[OMAP_MMC_NR_RES];
	int ret;

	pdev = platform_device_alloc(name, id);
	if (!pdev)
		return -ENOMEM;

	memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource));
	res[0].start = base;
	res[0].end = base + size - 1;
	res[0].flags = IORESOURCE_MEM;
	res[1].start = res[1].end = irq;
	res[1].flags = IORESOURCE_IRQ;

	ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
	if (ret == 0)
		ret = platform_device_add_data(pdev, data, sizeof(*data));
	if (ret)
		goto fail;

	ret = platform_device_add(pdev);
	if (ret)
		goto fail;
	return 0;

fail:
	platform_device_put(pdev);
	return ret;
}

#endif

/*-------------------------------------------------------------------------*/

/* Numbering for the SPI-capable controllers when used for SPI:
 * spi		= 1
 * uwire	= 2
 * mmc1..2	= 3..4
 * mcbsp1..3	= 5..7
 */

#if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)

#define	OMAP_UWIRE_BASE		0xfffb3000

static struct resource uwire_resources[] = {
	{
		.start		= OMAP_UWIRE_BASE,
		.end		= OMAP_UWIRE_BASE + 0x20,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap_uwire_device = {
	.name	   = "omap_uwire",
	.id	     = -1,
	.num_resources	= ARRAY_SIZE(uwire_resources),
	.resource	= uwire_resources,
};

static void omap_init_uwire(void)
{
	/* FIXME define and use a boot tag; not all boards will be hooking
	 * up devices to the microwire controller, and multi-board configs
	 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
	 */

	/* board-specific code must configure chipselects (only a few
	 * are normally used) and SCLK/SDI/SDO (each has two choices).
	 */
	(void) platform_device_register(&omap_uwire_device);
}
#else
static inline void omap_init_uwire(void) {}
#endif

/*-------------------------------------------------------------------------*/

#if	defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)

static struct resource wdt_resources[] = {
	{
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap_wdt_device = {
	.name	   = "omap_wdt",
	.id	     = -1,
	.num_resources	= ARRAY_SIZE(wdt_resources),
	.resource	= wdt_resources,
};

static void omap_init_wdt(void)
{
	if (cpu_is_omap16xx())
		wdt_resources[0].start = 0xfffeb000;
	else if (cpu_is_omap2420())
		wdt_resources[0].start = 0x48022000; /* WDT2 */
	else if (cpu_is_omap2430())
		wdt_resources[0].start = 0x49016000; /* WDT2 */
	else if (cpu_is_omap343x())
		wdt_resources[0].start = 0x48314000; /* WDT2 */
	else
		return;

	wdt_resources[0].end = wdt_resources[0].start + 0x4f;

	(void) platform_device_register(&omap_wdt_device);
}
#else
static inline void omap_init_wdt(void) {}
#endif

/*-------------------------------------------------------------------------*/

#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)

#ifdef CONFIG_ARCH_OMAP24XX
#define	OMAP_RNG_BASE		0x480A0000
#else
#define	OMAP_RNG_BASE		0xfffe5000
#endif

static struct resource rng_resources[] = {
	{
		.start		= OMAP_RNG_BASE,
		.end		= OMAP_RNG_BASE + 0x4f,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap_rng_device = {
	.name	   = "omap_rng",
	.id	     = -1,
	.num_resources	= ARRAY_SIZE(rng_resources),
	.resource	= rng_resources,
};

static void omap_init_rng(void)
{
	(void) platform_device_register(&omap_rng_device);
}
#else
static inline void omap_init_rng(void) {}
#endif

/*
 * This gets called after board-specific INIT_MACHINE, and initializes most
 * on-chip peripherals accessible on this board (except for few like USB):
 *
 *  (a) Does any "standard config" pin muxing needed.  Board-specific
 *	code will have muxed GPIO pins and done "nonstandard" setup;
 *	that code could live in the boot loader.
 *  (b) Populating board-specific platform_data with the data drivers
 *	rely on to handle wiring variations.
 *  (c) Creating platform devices as meaningful on this board and
 *	with this kernel configuration.
 *
 * Claiming GPIOs, and setting their direction and initial values, is the
 * responsibility of the device drivers.  So is responding to probe().
 *
 * Board-specific knowlege like creating devices or pin setup is to be
 * kept out of drivers as much as possible.  In particular, pin setup
 * may be handled by the boot loader, and drivers should expect it will
 * normally have been done by the time they're probed.
 */
static int __init omap_init_devices(void)
{
	/* please keep these calls, and their implementations above,
	 * in alphabetical order so they're easier to sort through.
	 */
	omap_init_dsp();
	omap_init_kp();
	omap_init_uwire();
	omap_init_wdt();
	omap_init_rng();
	return 0;
}
arch_initcall(omap_init_devices);
Commit	Line	Data
1a8bfa1e TL	1	/*
	2	* linux/arch/arm/plat-omap/devices.c
	3	*
	4	* Common platform device setup/initialization for OMAP1 and OMAP2
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*/
	11
1a8bfa1e TL	12	#include <linux/module.h>
	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
	15	#include <linux/platform_device.h>
fced80c7	16	#include <linux/io.h>
1a8bfa1e	17
a09e64fb	18	#include <mach/hardware.h>
1a8bfa1e TL	19	#include <asm/mach-types.h>
	20	#include <asm/mach/map.h>
	21
a09e64fb	22	#include <mach/tc.h>
646e3ed1	23	#include <mach/control.h>
a09e64fb	24	#include <mach/board.h>
7736c09c	25	#include <mach/mmc.h>
a09e64fb RK	26	#include <mach/mux.h>
	27	#include <mach/gpio.h>
	28	#include <mach/menelaus.h>
	29	#include <mach/mcbsp.h>
646e3ed1	30	#include <mach/dsp_common.h>
1a8bfa1e	31
c40fae95 TL	32	#if defined(CONFIG_OMAP_DSP) \|\| defined(CONFIG_OMAP_DSP_MODULE)
c40fae95 TL	33
c40fae95 TL	34	static struct dsp_platform_data dsp_pdata = {
	35	.kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
	36	};
	37
	38	static struct resource omap_dsp_resources[] = {
	39	{
	40	.name = "dsp_mmu",
	41	.start = -1,
	42	.flags = IORESOURCE_IRQ,
	43	},
	44	};
	45
	46	static struct platform_device omap_dsp_device = {
	47	.name = "dsp",
	48	.id = -1,
	49	.num_resources = ARRAY_SIZE(omap_dsp_resources),
	50	.resource = omap_dsp_resources,
	51	.dev = {
	52	.platform_data = &dsp_pdata,
	53	},
	54	};
	55
	56	static inline void omap_init_dsp(void)
	57	{
	58	struct resource *res;
	59	int irq;
	60
	61	if (cpu_is_omap15xx())
	62	irq = INT_1510_DSP_MMU;
	63	else if (cpu_is_omap16xx())
	64	irq = INT_1610_DSP_MMU;
	65	else if (cpu_is_omap24xx())
	66	irq = INT_24XX_DSP_MMU;
	67
	68	res = platform_get_resource_byname(&omap_dsp_device,
	69	IORESOURCE_IRQ, "dsp_mmu");
	70	res->start = irq;
	71
	72	platform_device_register(&omap_dsp_device);
	73	}
	74
	75	int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
	76	{
	77	static DEFINE_MUTEX(dsp_pdata_lock);
	78
646e3ed1	79	spin_lock_init(&kdev->lock);
c40fae95 TL	80
	81	mutex_lock(&dsp_pdata_lock);
	82	list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
	83	mutex_unlock(&dsp_pdata_lock);
	84
	85	return 0;
	86	}
	87	EXPORT_SYMBOL(dsp_kfunc_device_register);
	88
	89	#else
	90	static inline void omap_init_dsp(void) { }
	91	#endif /* CONFIG_OMAP_DSP */
	92
9b6553cd TL	93	/-------------------------------------------------------------------------/
	94	#if defined(CONFIG_KEYBOARD_OMAP) \|\| defined(CONFIG_KEYBOARD_OMAP_MODULE)
	95
	96	static void omap_init_kp(void)
	97	{
cc26b3b0 SMK	98	/* 2430 and 34xx keypad is on TWL4030 */
	99	if (cpu_is_omap2430() \|\| cpu_is_omap34xx())
	100	return;
	101
9b6553cd TL	102	if (machine_is_omap_h2() \|\| machine_is_omap_h3()) {
	103	omap_cfg_reg(F18_1610_KBC0);
	104	omap_cfg_reg(D20_1610_KBC1);
	105	omap_cfg_reg(D19_1610_KBC2);
	106	omap_cfg_reg(E18_1610_KBC3);
	107	omap_cfg_reg(C21_1610_KBC4);
	108
	109	omap_cfg_reg(G18_1610_KBR0);
	110	omap_cfg_reg(F19_1610_KBR1);
	111	omap_cfg_reg(H14_1610_KBR2);
	112	omap_cfg_reg(E20_1610_KBR3);
	113	omap_cfg_reg(E19_1610_KBR4);
	114	omap_cfg_reg(N19_1610_KBR5);
495f71db	115	} else if (machine_is_omap_perseus2() \|\| machine_is_omap_fsample()) {
9b6553cd TL	116	omap_cfg_reg(E2_730_KBR0);
	117	omap_cfg_reg(J7_730_KBR1);
	118	omap_cfg_reg(E1_730_KBR2);
	119	omap_cfg_reg(F3_730_KBR3);
	120	omap_cfg_reg(D2_730_KBR4);
	121
	122	omap_cfg_reg(C2_730_KBC0);
	123	omap_cfg_reg(D3_730_KBC1);
	124	omap_cfg_reg(E4_730_KBC2);
	125	omap_cfg_reg(F4_730_KBC3);
	126	omap_cfg_reg(E3_730_KBC4);
	127	} else if (machine_is_omap_h4()) {
	128	omap_cfg_reg(T19_24XX_KBR0);
	129	omap_cfg_reg(R19_24XX_KBR1);
	130	omap_cfg_reg(V18_24XX_KBR2);
	131	omap_cfg_reg(M21_24XX_KBR3);
	132	omap_cfg_reg(E5__24XX_KBR4);
	133	if (omap_has_menelaus()) {
	134	omap_cfg_reg(B3__24XX_KBR5);
	135	omap_cfg_reg(AA4_24XX_KBC2);
	136	omap_cfg_reg(B13_24XX_KBC6);
	137	} else {
	138	omap_cfg_reg(M18_24XX_KBR5);
	139	omap_cfg_reg(H19_24XX_KBC2);
	140	omap_cfg_reg(N19_24XX_KBC6);
	141	}
	142	omap_cfg_reg(R20_24XX_KBC0);
	143	omap_cfg_reg(M14_24XX_KBC1);
	144	omap_cfg_reg(V17_24XX_KBC3);
	145	omap_cfg_reg(P21_24XX_KBC4);
	146	omap_cfg_reg(L14_24XX_KBC5);
	147	}
	148	}
	149	#else
	150	static inline void omap_init_kp(void) {}
	151	#endif
	152
bc5d0c89 EV	153	/-------------------------------------------------------------------------/
	154	#if defined(CONFIG_OMAP_MCBSP) \|\| defined(CONFIG_OMAP_MCBSP_MODULE)
	155
	156	static struct platform_device **omap_mcbsp_devices;
	157
	158	void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
	159	int size)
	160	{
	161	int i;
	162
bc5d0c89 EV	163	omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
	164	GFP_KERNEL);
	165	if (!omap_mcbsp_devices) {
	166	printk(KERN_ERR "Could not register McBSP devices\n");
	167	return;
	168	}
	169
	170	for (i = 0; i < size; i++) {
	171	struct platform_device *new_mcbsp;
	172	int ret;
	173
	174	new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
	175	if (!new_mcbsp)
	176	continue;
	177	new_mcbsp->dev.platform_data = &config[i];
	178	ret = platform_device_add(new_mcbsp);
	179	if (ret) {
	180	platform_device_put(new_mcbsp);
	181	continue;
	182	}
	183	omap_mcbsp_devices[i] = new_mcbsp;
	184	}
	185	}
	186
	187	#else
	188	void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
	189	int size)
	190	{ }
	191	#endif
	192
1a8bfa1e TL	193	/-------------------------------------------------------------------------/
1a8bfa1e TL	194
d8874665	195	#if defined(CONFIG_MMC_OMAP) \|\| defined(CONFIG_MMC_OMAP_MODULE) \|\| \
7736c09c	196	defined(CONFIG_MMC_OMAP_HS) \|\| defined(CONFIG_MMC_OMAP_HS_MODULE)
1a8bfa1e	197
d8874665	198	#define OMAP_MMC_NR_RES 2
7736c09c	199
d8874665 TL	200	/*
	201	* Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
	202	*/
0dffb5c5 TL	203	int __init omap_mmc_add(const char *name, int id, unsigned long base,
	204	unsigned long size, unsigned int irq,
	205	struct omap_mmc_platform_data *data)
7736c09c	206	{
d8874665 TL	207	struct platform_device *pdev;
	208	struct resource res[OMAP_MMC_NR_RES];
	209	int ret;
	210
0dffb5c5	211	pdev = platform_device_alloc(name, id);
d8874665 TL	212	if (!pdev)
	213	return -ENOMEM;
	214
	215	memset(res, 0, OMAP_MMC_NR_RES * sizeof(struct resource));
	216	res[0].start = base;
	217	res[0].end = base + size - 1;
	218	res[0].flags = IORESOURCE_MEM;
	219	res[1].start = res[1].end = irq;
	220	res[1].flags = IORESOURCE_IRQ;
	221
	222	ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
	223	if (ret == 0)
	224	ret = platform_device_add_data(pdev, data, sizeof(*data));
	225	if (ret)
	226	goto fail;
	227
	228	ret = platform_device_add(pdev);
	229	if (ret)
	230	goto fail;
	231	return 0;
7736c09c	232
d8874665 TL	233	fail:
	234	platform_device_put(pdev);
	235	return ret;
7736c09c RK	236	}
7736c09c RK	237
1a8bfa1e TL	238	#endif
1a8bfa1e TL	239
9b6553cd TL	240	/-------------------------------------------------------------------------/
	241
	242	/* Numbering for the SPI-capable controllers when used for SPI:
	243	* spi = 1
	244	* uwire = 2
	245	* mmc1..2 = 3..4
	246	* mcbsp1..3 = 5..7
	247	*/
	248
	249	#if defined(CONFIG_SPI_OMAP_UWIRE) \|\| defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
	250
	251	#define OMAP_UWIRE_BASE 0xfffb3000
	252
	253	static struct resource uwire_resources[] = {
	254	{
	255	.start = OMAP_UWIRE_BASE,
	256	.end = OMAP_UWIRE_BASE + 0x20,
	257	.flags = IORESOURCE_MEM,
	258	},
	259	};
	260
	261	static struct platform_device omap_uwire_device = {
	262	.name = "omap_uwire",
	263	.id = -1,
9b6553cd TL	264	.num_resources = ARRAY_SIZE(uwire_resources),
	265	.resource = uwire_resources,
	266	};
	267
	268	static void omap_init_uwire(void)
	269	{
	270	/* FIXME define and use a boot tag; not all boards will be hooking
	271	* up devices to the microwire controller, and multi-board configs
	272	* mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
	273	*/
	274
	275	/* board-specific code must configure chipselects (only a few
	276	* are normally used) and SCLK/SDI/SDO (each has two choices).
	277	*/
	278	(void) platform_device_register(&omap_uwire_device);
	279	}
	280	#else
	281	static inline void omap_init_uwire(void) {}
	282	#endif
	283
	284	/-------------------------------------------------------------------------/
	285
1a8bfa1e TL	286	#if defined(CONFIG_OMAP_WATCHDOG) \|\| defined(CONFIG_OMAP_WATCHDOG_MODULE)
1a8bfa1e TL	287
1a8bfa1e TL	288	static struct resource wdt_resources[] = {
1a8bfa1e TL	289	{
1a8bfa1e TL	290	.flags = IORESOURCE_MEM,
	291	},
	292	};
	293
	294	static struct platform_device omap_wdt_device = {
	295	.name = "omap_wdt",
	296	.id = -1,
1a8bfa1e TL	297	.num_resources = ARRAY_SIZE(wdt_resources),
	298	.resource = wdt_resources,
	299	};
	300
	301	static void omap_init_wdt(void)
	302	{
2817142f FB	303	if (cpu_is_omap16xx())
	304	wdt_resources[0].start = 0xfffeb000;
	305	else if (cpu_is_omap2420())
	306	wdt_resources[0].start = 0x48022000; /* WDT2 */
	307	else if (cpu_is_omap2430())
	308	wdt_resources[0].start = 0x49016000; /* WDT2 */
	309	else if (cpu_is_omap343x())
	310	wdt_resources[0].start = 0x48314000; /* WDT2 */
	311	else
	312	return;
	313
	314	wdt_resources[0].end = wdt_resources[0].start + 0x4f;
	315
1a8bfa1e TL	316	(void) platform_device_register(&omap_wdt_device);
	317	}
	318	#else
	319	static inline void omap_init_wdt(void) {}
	320	#endif
	321
	322	/-------------------------------------------------------------------------/
	323
c40fae95	324	#if defined(CONFIG_HW_RANDOM_OMAP) \|\| defined(CONFIG_HW_RANDOM_OMAP_MODULE)
1a8bfa1e TL	325
	326	#ifdef CONFIG_ARCH_OMAP24XX
	327	#define OMAP_RNG_BASE 0x480A0000
	328	#else
	329	#define OMAP_RNG_BASE 0xfffe5000
	330	#endif
	331
	332	static struct resource rng_resources[] = {
	333	{
	334	.start = OMAP_RNG_BASE,
	335	.end = OMAP_RNG_BASE + 0x4f,
	336	.flags = IORESOURCE_MEM,
	337	},
	338	};
	339
	340	static struct platform_device omap_rng_device = {
	341	.name = "omap_rng",
	342	.id = -1,
1a8bfa1e TL	343	.num_resources = ARRAY_SIZE(rng_resources),
	344	.resource = rng_resources,
	345	};
	346
	347	static void omap_init_rng(void)
	348	{
	349	(void) platform_device_register(&omap_rng_device);
	350	}
	351	#else
	352	static inline void omap_init_rng(void) {}
	353	#endif
	354
1a8bfa1e TL	355	/*
	356	* This gets called after board-specific INIT_MACHINE, and initializes most
	357	* on-chip peripherals accessible on this board (except for few like USB):
	358	*
	359	* (a) Does any "standard config" pin muxing needed. Board-specific
	360	* code will have muxed GPIO pins and done "nonstandard" setup;
	361	* that code could live in the boot loader.
	362	* (b) Populating board-specific platform_data with the data drivers
	363	* rely on to handle wiring variations.
	364	* (c) Creating platform devices as meaningful on this board and
	365	* with this kernel configuration.
	366	*
	367	* Claiming GPIOs, and setting their direction and initial values, is the
	368	* responsibility of the device drivers. So is responding to probe().
	369	*
	370	* Board-specific knowlege like creating devices or pin setup is to be
	371	* kept out of drivers as much as possible. In particular, pin setup
	372	* may be handled by the boot loader, and drivers should expect it will
	373	* normally have been done by the time they're probed.
	374	*/
	375	static int __init omap_init_devices(void)
	376	{
	377	/* please keep these calls, and their implementations above,
	378	* in alphabetical order so they're easier to sort through.
	379	*/
c40fae95	380	omap_init_dsp();
9b6553cd	381	omap_init_kp();
9b6553cd	382	omap_init_uwire();
1a8bfa1e TL	383	omap_init_wdt();
1a8bfa1e TL	384	omap_init_rng();
1a8bfa1e TL	385	return 0;
	386	}
	387	arch_initcall(omap_init_devices);