arch/arm/mach-imx/devices/platform-mxc-mmc.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include <linux/dma-mapping.h>
  10 #include <mach/hardware.h>
  11 #include "devices-common.h"
  12
  13 #define imx_mxc_mmc_data_entry_single(soc, _devid, _id, _hwid, _size)   \
  14         {                                                               \
  15                 .devid = _devid,                                        \
  16                 .id = _id,                                              \
  17                 .iobase = soc ## _SDHC ## _hwid ## _BASE_ADDR,          \
  18                 .iosize = _size,                                        \
  19                 .irq = soc ## _INT_SDHC ## _hwid,                       \
  20                 .dmareq = soc ## _DMA_REQ_SDHC ## _hwid,                \
  21         }
  22 #define imx_mxc_mmc_data_entry(soc, _devid, _id, _hwid, _size)          \
  23         [_id] = imx_mxc_mmc_data_entry_single(soc, _devid, _id, _hwid, _size)
  24
  25 #ifdef CONFIG_SOC_IMX21
  26 const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst = {
  27 #define imx21_mxc_mmc_data_entry(_id, _hwid)                            \
  28         imx_mxc_mmc_data_entry(MX21, "imx21-mmc", _id, _hwid, SZ_4K)
  29         imx21_mxc_mmc_data_entry(0, 1),
  30         imx21_mxc_mmc_data_entry(1, 2),
  31 };
  32 #endif /* ifdef CONFIG_SOC_IMX21 */
  33
  34 #ifdef CONFIG_SOC_IMX27
  35 const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst = {
  36 #define imx27_mxc_mmc_data_entry(_id, _hwid)                            \
  37         imx_mxc_mmc_data_entry(MX27, "imx21-mmc", _id, _hwid, SZ_4K)
  38         imx27_mxc_mmc_data_entry(0, 1),
  39         imx27_mxc_mmc_data_entry(1, 2),
  40 };
  41 #endif /* ifdef CONFIG_SOC_IMX27 */
  42
  43 #ifdef CONFIG_SOC_IMX31
  44 const struct imx_mxc_mmc_data imx31_mxc_mmc_data[] __initconst = {
  45 #define imx31_mxc_mmc_data_entry(_id, _hwid)                            \
  46         imx_mxc_mmc_data_entry(MX31, "imx31-mmc", _id, _hwid, SZ_16K)
  47         imx31_mxc_mmc_data_entry(0, 1),
  48         imx31_mxc_mmc_data_entry(1, 2),
  49 };
  50 #endif /* ifdef CONFIG_SOC_IMX31 */
  51
  52 struct platform_device *__init imx_add_mxc_mmc(
  53                 const struct imx_mxc_mmc_data *data,
  54                 const struct imxmmc_platform_data *pdata)
  55 {
  56         struct resource res[] = {
  57                 {
  58                         .start = data->iobase,
  59                         .end = data->iobase + SZ_4K - 1,
  60                         .flags = IORESOURCE_MEM,
  61                 }, {
  62                         .start = data->irq,
  63                         .end = data->irq,
  64                         .flags = IORESOURCE_IRQ,
  65                 }, {
  66                         .start = data->dmareq,
  67                         .end = data->dmareq,
  68                         .flags = IORESOURCE_DMA,
  69                 },
  70         };
  71         return imx_add_platform_device_dmamask(data->devid, data->id,
  72                         res, ARRAY_SIZE(res),
  73                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  74 }