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dev-hsmmc.c

/* linux/arch/arm/plat-s3c/dev-hsmmc.c
 *
 * Copyright (c) 2008 Simtec Electronics
 *    Ben Dooks <ben@simtec.co.uk>
 *    http://armlinux.simtec.co.uk/
 *
 * S3C series device definition for hsmmc devices
 *
 * 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/platform_device.h>
#include <linux/mmc/host.h>

#include <mach/map.h>
#include <plat/sdhci.h>
#include <plat/devs.h>
#include <plat/cpu.h>

#define S3C_SZ_HSMMC    (0x1000)

static struct resource s3c_hsmmc_resource[] = {
      [0] = {
            .start = S3C_PA_HSMMC0,
            .end   = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1,
            .flags = IORESOURCE_MEM,
      },
      [1] = {
            .start = IRQ_HSMMC0,
            .end   = IRQ_HSMMC0,
            .flags = IORESOURCE_IRQ,
      }
};

static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;

struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
      .max_width  = 4,
      .host_caps  = (MMC_CAP_4_BIT_DATA |
                     MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
};

struct platform_device s3c_device_hsmmc0 = {
      .name       = "s3c-sdhci",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(s3c_hsmmc_resource),
      .resource   = s3c_hsmmc_resource,
      .dev        = {
            .dma_mask         = &s3c_device_hsmmc_dmamask,
            .coherent_dma_mask      = 0xffffffffUL,
            .platform_data          = &s3c_hsmmc0_def_platdata,
      },
};

void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
{
      struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata;

      set->max_width = pd->max_width;

      if (pd->cfg_gpio)
            set->cfg_gpio = pd->cfg_gpio;
      if (pd->cfg_card)
            set->cfg_card = pd->cfg_card;
}

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