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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

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

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_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)
static 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

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