linux/arch/arm/mach-omap2/devices.c

/*
 * linux/arch/arm/mach-omap2/devices.c
 *
 * OMAP2 platform device setup/initialization
 *
 * 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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/err.h>

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

#include <plat/tc.h>
#include <plat/board.h>
#include <plat/mcbsp.h>
#include <mach/gpio.h>
#include <plat/mmc.h>
#include <plat/dma.h>
#include <plat/omap_hwmod.h>
#include <plat/omap_device.h>

#include "mux.h"
#include "control.h"

#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)

static struct resource cam_resources[] = {
	{
		.start		= OMAP24XX_CAMERA_BASE,
		.end		= OMAP24XX_CAMERA_BASE + 0xfff,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= INT_24XX_CAM_IRQ,
		.flags		= IORESOURCE_IRQ,
	}
};

static struct platform_device omap_cam_device = {
	.name		= "omap24xxcam",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(cam_resources),
	.resource	= cam_resources,
};

static inline void omap_init_camera(void)
{
	platform_device_register(&omap_cam_device);
}

#elif defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)

static struct resource omap3isp_resources[] = {
	{
		.start		= OMAP3430_ISP_BASE,
		.end		= OMAP3430_ISP_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_CBUFF_BASE,
		.end		= OMAP3430_ISP_CBUFF_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_CCP2_BASE,
		.end		= OMAP3430_ISP_CCP2_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_CCDC_BASE,
		.end		= OMAP3430_ISP_CCDC_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_HIST_BASE,
		.end		= OMAP3430_ISP_HIST_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_H3A_BASE,
		.end		= OMAP3430_ISP_H3A_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_PREV_BASE,
		.end		= OMAP3430_ISP_PREV_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_RESZ_BASE,
		.end		= OMAP3430_ISP_RESZ_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_SBL_BASE,
		.end		= OMAP3430_ISP_SBL_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_CSI2A_BASE,
		.end		= OMAP3430_ISP_CSI2A_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= OMAP3430_ISP_CSI2PHY_BASE,
		.end		= OMAP3430_ISP_CSI2PHY_END,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= INT_34XX_CAM_IRQ,
		.flags		= IORESOURCE_IRQ,
	}
};

static struct platform_device omap3isp_device = {
	.name		= "omap3isp",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(omap3isp_resources),
	.resource	= omap3isp_resources,
};

static inline void omap_init_camera(void)
{
	platform_device_register(&omap3isp_device);
}
#else
static inline void omap_init_camera(void)
{
}
#endif

#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)

#define MBOX_REG_SIZE   0x120

#ifdef CONFIG_ARCH_OMAP2
static struct resource omap2_mbox_resources[] = {
	{
		.start		= OMAP24XX_MAILBOX_BASE,
		.end		= OMAP24XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= INT_24XX_MAIL_U0_MPU,
		.flags		= IORESOURCE_IRQ,
		.name		= "dsp",
	},
	{
		.start		= INT_24XX_MAIL_U3_MPU,
		.flags		= IORESOURCE_IRQ,
		.name		= "iva",
	},
};
static int omap2_mbox_resources_sz = ARRAY_SIZE(omap2_mbox_resources);
#else
#define omap2_mbox_resources		NULL
#define omap2_mbox_resources_sz		0
#endif

#ifdef CONFIG_ARCH_OMAP3
static struct resource omap3_mbox_resources[] = {
	{
		.start		= OMAP34XX_MAILBOX_BASE,
		.end		= OMAP34XX_MAILBOX_BASE + MBOX_REG_SIZE - 1,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= INT_24XX_MAIL_U0_MPU,
		.flags		= IORESOURCE_IRQ,
		.name		= "dsp",
	},
};
static int omap3_mbox_resources_sz = ARRAY_SIZE(omap3_mbox_resources);
#else
#define omap3_mbox_resources		NULL
#define omap3_mbox_resources_sz		0
#endif

#ifdef CONFIG_ARCH_OMAP4

#define OMAP4_MBOX_REG_SIZE	0x130
static struct resource omap4_mbox_resources[] = {
	{
		.start          = OMAP44XX_MAILBOX_BASE,
		.end            = OMAP44XX_MAILBOX_BASE +
					OMAP4_MBOX_REG_SIZE - 1,
		.flags          = IORESOURCE_MEM,
	},
	{
		.start          = OMAP44XX_IRQ_MAIL_U0,
		.flags          = IORESOURCE_IRQ,
		.name		= "mbox",
	},
};
static int omap4_mbox_resources_sz = ARRAY_SIZE(omap4_mbox_resources);
#else
#define omap4_mbox_resources		NULL
#define omap4_mbox_resources_sz		0
#endif

static struct platform_device mbox_device = {
	.name		= "omap-mailbox",
	.id		= -1,
};

static inline void omap_init_mbox(void)
{
	if (cpu_is_omap24xx()) {
		mbox_device.resource = omap2_mbox_resources;
		mbox_device.num_resources = omap2_mbox_resources_sz;
	} else if (cpu_is_omap34xx()) {
		mbox_device.resource = omap3_mbox_resources;
		mbox_device.num_resources = omap3_mbox_resources_sz;
	} else if (cpu_is_omap44xx()) {
		mbox_device.resource = omap4_mbox_resources;
		mbox_device.num_resources = omap4_mbox_resources_sz;
	} else {
		pr_err("%s: platform not supported\n", __func__);
		return;
	}
	platform_device_register(&mbox_device);
}
#else
static inline void omap_init_mbox(void) { }
#endif /* CONFIG_OMAP_MBOX_FWK */

static inline void omap_init_sti(void) {}

#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)

static struct platform_device omap_pcm = {
	.name	= "omap-pcm-audio",
	.id	= -1,
};

/*
 * OMAP2420 has 2 McBSP ports
 * OMAP2430 has 5 McBSP ports
 * OMAP3 has 5 McBSP ports
 * OMAP4 has 4 McBSP ports
 */
OMAP_MCBSP_PLATFORM_DEVICE(1);
OMAP_MCBSP_PLATFORM_DEVICE(2);
OMAP_MCBSP_PLATFORM_DEVICE(3);
OMAP_MCBSP_PLATFORM_DEVICE(4);
OMAP_MCBSP_PLATFORM_DEVICE(5);

static void omap_init_audio(void)
{
	platform_device_register(&omap_mcbsp1);
	platform_device_register(&omap_mcbsp2);
	if (cpu_is_omap243x() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
		platform_device_register(&omap_mcbsp3);
		platform_device_register(&omap_mcbsp4);
	}
	if (cpu_is_omap243x() || cpu_is_omap34xx())
		platform_device_register(&omap_mcbsp5);

	platform_device_register(&omap_pcm);
}

#else
static inline void omap_init_audio(void) {}
#endif

#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)

#include <plat/mcspi.h>

#define OMAP2_MCSPI1_BASE		0x48098000
#define OMAP2_MCSPI2_BASE		0x4809a000
#define OMAP2_MCSPI3_BASE		0x480b8000
#define OMAP2_MCSPI4_BASE		0x480ba000

#define OMAP4_MCSPI1_BASE		0x48098100
#define OMAP4_MCSPI2_BASE		0x4809a100
#define OMAP4_MCSPI3_BASE		0x480b8100
#define OMAP4_MCSPI4_BASE		0x480ba100

static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
	.num_cs		= 4,
};

static struct resource omap2_mcspi1_resources[] = {
	{
		.start		= OMAP2_MCSPI1_BASE,
		.end		= OMAP2_MCSPI1_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap2_mcspi1 = {
	.name		= "omap2_mcspi",
	.id		= 1,
	.num_resources	= ARRAY_SIZE(omap2_mcspi1_resources),
	.resource	= omap2_mcspi1_resources,
	.dev		= {
		.platform_data = &omap2_mcspi1_config,
	},
};

static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
	.num_cs		= 2,
};

static struct resource omap2_mcspi2_resources[] = {
	{
		.start		= OMAP2_MCSPI2_BASE,
		.end		= OMAP2_MCSPI2_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap2_mcspi2 = {
	.name		= "omap2_mcspi",
	.id		= 2,
	.num_resources	= ARRAY_SIZE(omap2_mcspi2_resources),
	.resource	= omap2_mcspi2_resources,
	.dev		= {
		.platform_data = &omap2_mcspi2_config,
	},
};

#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
	defined(CONFIG_ARCH_OMAP4)
static struct omap2_mcspi_platform_config omap2_mcspi3_config = {
	.num_cs		= 2,
};

static struct resource omap2_mcspi3_resources[] = {
	{
	.start		= OMAP2_MCSPI3_BASE,
	.end		= OMAP2_MCSPI3_BASE + 0xff,
	.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap2_mcspi3 = {
	.name		= "omap2_mcspi",
	.id		= 3,
	.num_resources	= ARRAY_SIZE(omap2_mcspi3_resources),
	.resource	= omap2_mcspi3_resources,
	.dev		= {
		.platform_data = &omap2_mcspi3_config,
	},
};
#endif

#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
static struct omap2_mcspi_platform_config omap2_mcspi4_config = {
	.num_cs		= 1,
};

static struct resource omap2_mcspi4_resources[] = {
	{
		.start		= OMAP2_MCSPI4_BASE,
		.end		= OMAP2_MCSPI4_BASE + 0xff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct platform_device omap2_mcspi4 = {
	.name		= "omap2_mcspi",
	.id		= 4,
	.num_resources	= ARRAY_SIZE(omap2_mcspi4_resources),
	.resource	= omap2_mcspi4_resources,
	.dev		= {
		.platform_data = &omap2_mcspi4_config,
	},
};
#endif

#ifdef CONFIG_ARCH_OMAP4
static inline void omap4_mcspi_fixup(void)
{
	omap2_mcspi1_resources[0].start	= OMAP4_MCSPI1_BASE;
	omap2_mcspi1_resources[0].end	= OMAP4_MCSPI1_BASE + 0xff;
	omap2_mcspi2_resources[0].start	= OMAP4_MCSPI2_BASE;
	omap2_mcspi2_resources[0].end	= OMAP4_MCSPI2_BASE + 0xff;
	omap2_mcspi3_resources[0].start	= OMAP4_MCSPI3_BASE;
	omap2_mcspi3_resources[0].end	= OMAP4_MCSPI3_BASE + 0xff;
	omap2_mcspi4_resources[0].start	= OMAP4_MCSPI4_BASE;
	omap2_mcspi4_resources[0].end	= OMAP4_MCSPI4_BASE + 0xff;
}
#else
static inline void omap4_mcspi_fixup(void)
{
}
#endif

#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \
	defined(CONFIG_ARCH_OMAP4)
static inline void omap2_mcspi3_init(void)
{
	platform_device_register(&omap2_mcspi3);
}
#else
static inline void omap2_mcspi3_init(void)
{
}
#endif

#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
static inline void omap2_mcspi4_init(void)
{
	platform_device_register(&omap2_mcspi4);
}
#else
static inline void omap2_mcspi4_init(void)
{
}
#endif

static void omap_init_mcspi(void)
{
	if (cpu_is_omap44xx())
		omap4_mcspi_fixup();

	platform_device_register(&omap2_mcspi1);
	platform_device_register(&omap2_mcspi2);

	if (cpu_is_omap2430() || cpu_is_omap343x() || cpu_is_omap44xx())
		omap2_mcspi3_init();

	if (cpu_is_omap343x() || cpu_is_omap44xx())
		omap2_mcspi4_init();
}

#else
static inline void omap_init_mcspi(void) {}
#endif

static struct resource omap2_pmu_resource = {
	.start	= 3,
	.end	= 3,
	.flags	= IORESOURCE_IRQ,
};

static struct resource omap3_pmu_resource = {
	.start	= INT_34XX_BENCH_MPU_EMUL,
	.end	= INT_34XX_BENCH_MPU_EMUL,
	.flags	= IORESOURCE_IRQ,
};

static struct platform_device omap_pmu_device = {
	.name		= "arm-pmu",
	.id		= ARM_PMU_DEVICE_CPU,
	.num_resources	= 1,
};

static void omap_init_pmu(void)
{
	if (cpu_is_omap24xx())
		omap_pmu_device.resource = &omap2_pmu_resource;
	else if (cpu_is_omap34xx())
		omap_pmu_device.resource = &omap3_pmu_resource;
	else
		return;

	platform_device_register(&omap_pmu_device);
}


#if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)

#ifdef CONFIG_ARCH_OMAP2
static struct resource omap2_sham_resources[] = {
	{
		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
		.end	= OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_24XX_SHA1MD5,
		.flags	= IORESOURCE_IRQ,
	}
};
static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
#else
#define omap2_sham_resources		NULL
#define omap2_sham_resources_sz		0
#endif

#ifdef CONFIG_ARCH_OMAP3
static struct resource omap3_sham_resources[] = {
	{
		.start	= OMAP34XX_SEC_SHA1MD5_BASE,
		.end	= OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= INT_34XX_SHA1MD52_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
	{
		.start	= OMAP34XX_DMA_SHA1MD5_RX,
		.flags	= IORESOURCE_DMA,
	}
};
static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
#else
#define omap3_sham_resources		NULL
#define omap3_sham_resources_sz		0
#endif

static struct platform_device sham_device = {
	.name		= "omap-sham",
	.id		= -1,
};

static void omap_init_sham(void)
{
	if (cpu_is_omap24xx()) {
		sham_device.resource = omap2_sham_resources;
		sham_device.num_resources = omap2_sham_resources_sz;
	} else if (cpu_is_omap34xx()) {
		sham_device.resource = omap3_sham_resources;
		sham_device.num_resources = omap3_sham_resources_sz;
	} else {
		pr_err("%s: platform not supported\n", __func__);
		return;
	}
	platform_device_register(&sham_device);
}
#else
static inline void omap_init_sham(void) { }
#endif

#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)

#ifdef CONFIG_ARCH_OMAP2
static struct resource omap2_aes_resources[] = {
	{
		.start	= OMAP24XX_SEC_AES_BASE,
		.end	= OMAP24XX_SEC_AES_BASE + 0x4C,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= OMAP24XX_DMA_AES_TX,
		.flags	= IORESOURCE_DMA,
	},
	{
		.start	= OMAP24XX_DMA_AES_RX,
		.flags	= IORESOURCE_DMA,
	}
};
static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
#else
#define omap2_aes_resources		NULL
#define omap2_aes_resources_sz		0
#endif

#ifdef CONFIG_ARCH_OMAP3
static struct resource omap3_aes_resources[] = {
	{
		.start	= OMAP34XX_SEC_AES_BASE,
		.end	= OMAP34XX_SEC_AES_BASE + 0x4C,
		.flags	= IORESOURCE_MEM,
	},
	{
		.start	= OMAP34XX_DMA_AES2_TX,
		.flags	= IORESOURCE_DMA,
	},
	{
		.start	= OMAP34XX_DMA_AES2_RX,
		.flags	= IORESOURCE_DMA,
	}
};
static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
#else
#define omap3_aes_resources		NULL
#define omap3_aes_resources_sz		0
#endif

static struct platform_device aes_device = {
	.name		= "omap-aes",
	.id		= -1,
};

static void omap_init_aes(void)
{
	if (cpu_is_omap24xx()) {
		aes_device.resource = omap2_aes_resources;
		aes_device.num_resources = omap2_aes_resources_sz;
	} else if (cpu_is_omap34xx()) {
		aes_device.resource = omap3_aes_resources;
		aes_device.num_resources = omap3_aes_resources_sz;
	} else {
		pr_err("%s: platform not supported\n", __func__);
		return;
	}
	platform_device_register(&aes_device);
}

#else
static inline void omap_init_aes(void) { }
#endif

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

#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)

#define MMCHS_SYSCONFIG			0x0010
#define MMCHS_SYSCONFIG_SWRESET		(1 << 1)
#define MMCHS_SYSSTATUS			0x0014
#define MMCHS_SYSSTATUS_RESETDONE	(1 << 0)

static struct platform_device dummy_pdev = {
	.dev = {
		.bus = &platform_bus_type,
	},
};

/**
 * omap_hsmmc_reset() - Full reset of each HS-MMC controller
 *
 * Ensure that each MMC controller is fully reset.  Controllers
 * left in an unknown state (by bootloader) may prevent retention
 * or OFF-mode.  This is especially important in cases where the
 * MMC driver is not enabled, _or_ built as a module.
 *
 * In order for reset to work, interface, functional and debounce
 * clocks must be enabled.  The debounce clock comes from func_32k_clk
 * and is not under SW control, so we only enable i- and f-clocks.
 **/
static void __init omap_hsmmc_reset(void)
{
	u32 i, nr_controllers;
	struct clk *iclk, *fclk;

	if (cpu_is_omap242x())
		return;

	nr_controllers = cpu_is_omap44xx() ? OMAP44XX_NR_MMC :
		(cpu_is_omap34xx() ? OMAP34XX_NR_MMC : OMAP24XX_NR_MMC);

	for (i = 0; i < nr_controllers; i++) {
		u32 v, base = 0;
		struct device *dev = &dummy_pdev.dev;

		switch (i) {
		case 0:
			base = OMAP2_MMC1_BASE;
			break;
		case 1:
			base = OMAP2_MMC2_BASE;
			break;
		case 2:
			base = OMAP3_MMC3_BASE;
			break;
		case 3:
			if (!cpu_is_omap44xx())
				return;
			base = OMAP4_MMC4_BASE;
			break;
		case 4:
			if (!cpu_is_omap44xx())
				return;
			base = OMAP4_MMC5_BASE;
			break;
		}

		if (cpu_is_omap44xx())
			base += OMAP4_MMC_REG_OFFSET;

		dummy_pdev.id = i;
		dev_set_name(&dummy_pdev.dev, "mmci-omap-hs.%d", i);
		iclk = clk_get(dev, "ick");
		if (IS_ERR(iclk))
			goto err1;
		if (clk_enable(iclk))
			goto err2;

		fclk = clk_get(dev, "fck");
		if (IS_ERR(fclk))
			goto err3;
		if (clk_enable(fclk))
			goto err4;

		omap_writel(MMCHS_SYSCONFIG_SWRESET, base + MMCHS_SYSCONFIG);
		v = omap_readl(base + MMCHS_SYSSTATUS);
		while (!(omap_readl(base + MMCHS_SYSSTATUS) &
			 MMCHS_SYSSTATUS_RESETDONE))
			cpu_relax();

		clk_disable(fclk);
		clk_put(fclk);
		clk_disable(iclk);
		clk_put(iclk);
	}
	return;

err4:
	clk_put(fclk);
err3:
	clk_disable(iclk);
err2:
	clk_put(iclk);
err1:
	printk(KERN_WARNING "%s: Unable to enable clocks for MMC%d, "
			    "cannot reset.\n",  __func__, i);
}
#else
static inline void omap_hsmmc_reset(void) {}
#endif

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

static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
			int controller_nr)
{
	if ((mmc_controller->slots[0].switch_pin > 0) && \
		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
					OMAP_PIN_INPUT_PULLUP);
	if ((mmc_controller->slots[0].gpio_wp > 0) && \
		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
					OMAP_PIN_INPUT_PULLUP);

	if (cpu_is_omap2420() && controller_nr == 0) {
		omap_mux_init_signal("sdmmc_cmd", 0);
		omap_mux_init_signal("sdmmc_clki", 0);
		omap_mux_init_signal("sdmmc_clko", 0);
		omap_mux_init_signal("sdmmc_dat0", 0);
		omap_mux_init_signal("sdmmc_dat_dir0", 0);
		omap_mux_init_signal("sdmmc_cmd_dir", 0);
		if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
			omap_mux_init_signal("sdmmc_dat1", 0);
			omap_mux_init_signal("sdmmc_dat2", 0);
			omap_mux_init_signal("sdmmc_dat3", 0);
			omap_mux_init_signal("sdmmc_dat_dir1", 0);
			omap_mux_init_signal("sdmmc_dat_dir2", 0);
			omap_mux_init_signal("sdmmc_dat_dir3", 0);
		}

		/*
		 * Use internal loop-back in MMC/SDIO Module Input Clock
		 * selection
		 */
		if (mmc_controller->slots[0].internal_clock) {
			u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
			v |= (1 << 24);
			omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
		}
	}

	if (cpu_is_omap34xx()) {
		if (controller_nr == 0) {
			omap_mux_init_signal("sdmmc1_clk",
				OMAP_PIN_INPUT_PULLUP);
			omap_mux_init_signal("sdmmc1_cmd",
				OMAP_PIN_INPUT_PULLUP);
			omap_mux_init_signal("sdmmc1_dat0",
				OMAP_PIN_INPUT_PULLUP);
			if (mmc_controller->slots[0].caps &
				(MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
				omap_mux_init_signal("sdmmc1_dat1",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc1_dat2",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc1_dat3",
					OMAP_PIN_INPUT_PULLUP);
			}
			if (mmc_controller->slots[0].caps &
						MMC_CAP_8_BIT_DATA) {
				omap_mux_init_signal("sdmmc1_dat4",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc1_dat5",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc1_dat6",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc1_dat7",
					OMAP_PIN_INPUT_PULLUP);
			}
		}
		if (controller_nr == 1) {
			/* MMC2 */
			omap_mux_init_signal("sdmmc2_clk",
				OMAP_PIN_INPUT_PULLUP);
			omap_mux_init_signal("sdmmc2_cmd",
				OMAP_PIN_INPUT_PULLUP);
			omap_mux_init_signal("sdmmc2_dat0",
				OMAP_PIN_INPUT_PULLUP);

			/*
			 * For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed
			 * in the board-*.c files
			 */
			if (mmc_controller->slots[0].caps &
				(MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
				omap_mux_init_signal("sdmmc2_dat1",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc2_dat2",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc2_dat3",
					OMAP_PIN_INPUT_PULLUP);
			}
			if (mmc_controller->slots[0].caps &
							MMC_CAP_8_BIT_DATA) {
				omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6",
					OMAP_PIN_INPUT_PULLUP);
				omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7",
					OMAP_PIN_INPUT_PULLUP);
			}
		}

		/*
		 * For MMC3 the pins need to be muxed in the board-*.c files
		 */
	}
}

void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
			int nr_controllers)
{
	int i;
	char *name;

	for (i = 0; i < nr_controllers; i++) {
		unsigned long base, size;
		unsigned int irq = 0;

		if (!mmc_data[i])
			continue;

		omap2_mmc_mux(mmc_data[i], i);

		switch (i) {
		case 0:
			base = OMAP2_MMC1_BASE;
			irq = INT_24XX_MMC_IRQ;
			break;
		case 1:
			base = OMAP2_MMC2_BASE;
			irq = INT_24XX_MMC2_IRQ;
			break;
		case 2:
			if (!cpu_is_omap44xx() && !cpu_is_omap34xx())
				return;
			base = OMAP3_MMC3_BASE;
			irq = INT_34XX_MMC3_IRQ;
			break;
		case 3:
			if (!cpu_is_omap44xx())
				return;
			base = OMAP4_MMC4_BASE;
			irq = OMAP44XX_IRQ_MMC4;
			break;
		case 4:
			if (!cpu_is_omap44xx())
				return;
			base = OMAP4_MMC5_BASE;
			irq = OMAP44XX_IRQ_MMC5;
			break;
		default:
			continue;
		}

		if (cpu_is_omap2420()) {
			size = OMAP2420_MMC_SIZE;
			name = "mmci-omap";
		} else if (cpu_is_omap44xx()) {
			if (i < 3)
				irq += OMAP44XX_IRQ_GIC_START;
			size = OMAP4_HSMMC_SIZE;
			name = "mmci-omap-hs";
		} else {
			size = OMAP3_HSMMC_SIZE;
			name = "mmci-omap-hs";
		}
		omap_mmc_add(name, i, base, size, irq, mmc_data[i]);
	};
}

#endif

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

#if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
#define OMAP_HDQ_BASE	0x480B2000
#endif
static struct resource omap_hdq_resources[] = {
	{
		.start		= OMAP_HDQ_BASE,
		.end		= OMAP_HDQ_BASE + 0x1C,
		.flags		= IORESOURCE_MEM,
	},
	{
		.start		= INT_24XX_HDQ_IRQ,
		.flags		= IORESOURCE_IRQ,
	},
};
static struct platform_device omap_hdq_dev = {
	.name = "omap_hdq",
	.id = 0,
	.dev = {
		.platform_data = NULL,
	},
	.num_resources	= ARRAY_SIZE(omap_hdq_resources),
	.resource	= omap_hdq_resources,
};
static inline void omap_hdq_init(void)
{
	(void) platform_device_register(&omap_hdq_dev);
}
#else
static inline void omap_hdq_init(void) {}
#endif

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

#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
	defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
};
#else
static struct resource omap_vout_resource[2] = {
};
#endif

static struct platform_device omap_vout_device = {
	.name		= "omap_vout",
	.num_resources	= ARRAY_SIZE(omap_vout_resource),
	.resource 	= &omap_vout_resource[0],
	.id		= -1,
};
static void omap_init_vout(void)
{
	if (platform_device_register(&omap_vout_device) < 0)
		printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
}
#else
static inline void omap_init_vout(void) {}
#endif

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

/*
 * Inorder to avoid any assumptions from bootloader regarding WDT
 * settings, WDT module is reset during init. This enables the watchdog
 * timer. Hence it is required to disable the watchdog after the WDT reset
 * during init. Otherwise the system would reboot as per the default
 * watchdog timer registers settings.
 */
#define OMAP_WDT_WPS	(0x34)
#define OMAP_WDT_SPR	(0x48)

static int omap2_disable_wdt(struct omap_hwmod *oh, void *unused)
{
	void __iomem *base;
	int ret;

	if (!oh) {
		pr_err("%s: Could not look up wdtimer_hwmod\n", __func__);
		return -EINVAL;
	}

	base = omap_hwmod_get_mpu_rt_va(oh);
	if (!base) {
		pr_err("%s: Could not get the base address for %s\n",
				oh->name, __func__);
		return -EINVAL;
	}

	/* Enable the clocks before accessing the WDT registers */
	ret = omap_hwmod_enable(oh);
	if (ret) {
		pr_err("%s: Could not enable clocks for %s\n",
				oh->name, __func__);
		return ret;
	}

	/* sequence required to disable watchdog */
	__raw_writel(0xAAAA, base + OMAP_WDT_SPR);
	while (__raw_readl(base + OMAP_WDT_WPS) & 0x10)
		cpu_relax();

	__raw_writel(0x5555, base + OMAP_WDT_SPR);
	while (__raw_readl(base + OMAP_WDT_WPS) & 0x10)
		cpu_relax();

	ret = omap_hwmod_idle(oh);
	if (ret)
		pr_err("%s: Could not disable clocks for %s\n",
				oh->name, __func__);

	return ret;
}

static void __init omap_disable_wdt(void)
{
	if (cpu_class_is_omap2())
		omap_hwmod_for_each_by_class("wd_timer",
						omap2_disable_wdt, NULL);
	return;
}

static int __init omap2_init_devices(void)
{
	/* please keep these calls, and their implementations above,
	 * in alphabetical order so they're easier to sort through.
	 */
	omap_disable_wdt();
	omap_hsmmc_reset();
	omap_init_audio();
	omap_init_camera();
	omap_init_mbox();
	omap_init_mcspi();
	omap_init_pmu();
	omap_hdq_init();
	omap_init_sti();
	omap_init_sham();
	omap_init_aes();
	omap_init_vout();

	return 0;
}
arch_initcall(omap2_init_devices);

#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
struct omap_device_pm_latency omap_wdt_latency[] = {
	[0] = {
		.deactivate_func = omap_device_idle_hwmods,
		.activate_func   = omap_device_enable_hwmods,
		.flags		 = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
	},
};

static int __init omap_init_wdt(void)
{
	int id = -1;
	struct omap_device *od;
	struct omap_hwmod *oh;
	char *oh_name = "wd_timer2";
	char *dev_name = "omap_wdt";

	if (!cpu_class_is_omap2())
		return 0;

	oh = omap_hwmod_lookup(oh_name);
	if (!oh) {
		pr_err("Could not look up wd_timer%d hwmod\n", id);
		return -EINVAL;
	}

	od = omap_device_build(dev_name, id, oh, NULL, 0,
				omap_wdt_latency,
				ARRAY_SIZE(omap_wdt_latency), 0);
	WARN(IS_ERR(od), "Cant build omap_device for %s:%s.\n",
				dev_name, oh->name);
	return 0;
}
subsys_initcall(omap_init_wdt);
#endif