release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/plat-samsung/dev-hsmmc3.c

   1 /* linux/arch/arm/plat-samsung/dev-hsmmc3.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   5  *
   6  * Copyright (c) 2008 Simtec Electronics
   7  *      Ben Dooks <ben@simtec.co.uk>
   8  *      http://armlinux.simtec.co.uk/
   9  *
  10  * Based on arch/arm/plat-samsung/dev-hsmmc1.c
  11  *
  12  * Samsung device definition for hsmmc device 3
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17 */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/mmc/host.h>
  22
  23 #include <mach/map.h>
  24 #include <plat/sdhci.h>
  25 #include <plat/devs.h>
  26
  27 #define S3C_SZ_HSMMC    (0x1000)
  28
  29 static struct resource s3c_hsmmc3_resource[] = {
  30         [0] = {
  31                 .start  = S3C_PA_HSMMC3,
  32                 .end    = S3C_PA_HSMMC3 + S3C_SZ_HSMMC - 1,
  33                 .flags  = IORESOURCE_MEM,
  34         },
  35         [1] = {
  36                 .start  = IRQ_MMC3,
  37                 .end    = IRQ_MMC3,
  38                 .flags  = IORESOURCE_IRQ,
  39         }
  40 };
  41
  42 static u64 s3c_device_hsmmc3_dmamask = 0xffffffffUL;
  43
  44 struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata = {
  45         .max_width      = 4,
  46         .host_caps      = (MMC_CAP_4_BIT_DATA |
  47                            MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
  48 };
  49
  50 struct platform_device s3c_device_hsmmc3 = {
  51         .name           = "s3c-sdhci",
  52         .id             = 3,
  53         .num_resources  = ARRAY_SIZE(s3c_hsmmc3_resource),
  54         .resource       = s3c_hsmmc3_resource,
  55         .dev            = {
  56                 .dma_mask               = &s3c_device_hsmmc3_dmamask,
  57                 .coherent_dma_mask      = 0xffffffffUL,
  58                 .platform_data          = &s3c_hsmmc3_def_platdata,
  59         },
  60 };
  61
  62 void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd)
  63 {
  64         struct s3c_sdhci_platdata *set = &s3c_hsmmc3_def_platdata;
  65
  66         set->max_width = pd->max_width;
  67         set->cd_type = pd->cd_type;
  68         set->ext_cd_init = pd->ext_cd_init;
  69         set->ext_cd_cleanup = pd->ext_cd_cleanup;
  70         set->ext_cd_gpio = pd->ext_cd_gpio;
  71         set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
  72
  73         if (pd->cfg_gpio)
  74                 set->cfg_gpio = pd->cfg_gpio;
  75         if (pd->cfg_card)
  76                 set->cfg_card = pd->cfg_card;
  77 }