release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/plat-samsung/dev-hsmmc.c

   1 /* linux/arch/arm/plat-s3c/dev-hsmmc.c
   2  *
   3  * Copyright (c) 2008 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *      http://armlinux.simtec.co.uk/
   6  *
   7  * S3C series device definition for hsmmc devices
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12 */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/mmc/host.h>
  17
  18 #include <mach/map.h>
  19 #include <plat/sdhci.h>
  20 #include <plat/devs.h>
  21 #include <plat/cpu.h>
  22
  23 #define S3C_SZ_HSMMC    (0x1000)
  24
  25 static struct resource s3c_hsmmc_resource[] = {
  26         [0] = {
  27                 .start = S3C_PA_HSMMC0,
  28                 .end   = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1,
  29                 .flags = IORESOURCE_MEM,
  30         },
  31         [1] = {
  32                 .start = IRQ_HSMMC0,
  33                 .end   = IRQ_HSMMC0,
  34                 .flags = IORESOURCE_IRQ,
  35         }
  36 };
  37
  38 static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL;
  39
  40 struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = {
  41         .max_width      = 4,
  42         .host_caps      = (MMC_CAP_4_BIT_DATA |
  43                            MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
  44 };
  45
  46 struct platform_device s3c_device_hsmmc0 = {
  47         .name           = "s3c-sdhci",
  48         .id             = 0,
  49         .num_resources  = ARRAY_SIZE(s3c_hsmmc_resource),
  50         .resource       = s3c_hsmmc_resource,
  51         .dev            = {
  52                 .dma_mask               = &s3c_device_hsmmc_dmamask,
  53                 .coherent_dma_mask      = 0xffffffffUL,
  54                 .platform_data          = &s3c_hsmmc0_def_platdata,
  55         },
  56 };
  57
  58 void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd)
  59 {
  60         struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata;
  61
  62         set->max_width = pd->max_width;
  63         set->cd_type = pd->cd_type;
  64         set->ext_cd_init = pd->ext_cd_init;
  65         set->ext_cd_cleanup = pd->ext_cd_cleanup;
  66         set->ext_cd_gpio = pd->ext_cd_gpio;
  67         set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
  68
  69         if (pd->cfg_gpio)
  70                 set->cfg_gpio = pd->cfg_gpio;
  71         if (pd->cfg_card)
  72                 set->cfg_card = pd->cfg_card;
  73         if (pd->host_caps)
  74                 set->host_caps = pd->host_caps;
  75 }