LXR linux/arch/arm/plat-mxc/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 <mach/hardware.h>
  10#include <mach/devices-common.h>
  11
  12#define imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size)           \
  13        {                                                               \
  14                .id = _id,                                              \
  15                .iobase = soc ## _SDHC ## _hwid ## _BASE_ADDR,          \
  16                .iosize = _size,                                        \
  17                .irq = soc ## _INT_SDHC ## _hwid,                       \
  18                .dmareq = soc ## _DMA_REQ_SDHC ## _hwid,                \
  19        }
  20#define imx_mxc_mmc_data_entry(soc, _id, _hwid, _size)                  \
  21        [_id] = imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size)
  22
  23#ifdef CONFIG_SOC_IMX21
  24const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst = {
  25#define imx21_mxc_mmc_data_entry(_id, _hwid)                            \
  26        imx_mxc_mmc_data_entry(MX21, _id, _hwid, SZ_4K)
  27        imx21_mxc_mmc_data_entry(0, 1),
  28        imx21_mxc_mmc_data_entry(1, 2),
  29};
  30#endif /* ifdef CONFIG_SOC_IMX21 */
  31
  32#ifdef CONFIG_SOC_IMX27
  33const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst = {
  34#define imx27_mxc_mmc_data_entry(_id, _hwid)                            \
  35        imx_mxc_mmc_data_entry(MX27, _id, _hwid, SZ_4K)
  36        imx27_mxc_mmc_data_entry(0, 1),
  37        imx27_mxc_mmc_data_entry(1, 2),
  38};
  39#endif /* ifdef CONFIG_SOC_IMX27 */
  40
  41#ifdef CONFIG_SOC_IMX31
  42const struct imx_mxc_mmc_data imx31_mxc_mmc_data[] __initconst = {
  43#define imx31_mxc_mmc_data_entry(_id, _hwid)                            \
  44        imx_mxc_mmc_data_entry(MX31, _id, _hwid, SZ_16K)
  45        imx31_mxc_mmc_data_entry(0, 1),
  46        imx31_mxc_mmc_data_entry(1, 2),
  47};
  48#endif /* ifdef CONFIG_SOC_IMX31 */
  49
  50struct platform_device *__init imx_add_mxc_mmc(
  51                const struct imx_mxc_mmc_data *data,
  52                const struct imxmmc_platform_data *pdata)
  53{
  54        struct resource res[] = {
  55                {
  56                        .start = data->iobase,
  57                        .end = data->iobase + SZ_4K - 1,
  58                        .flags = IORESOURCE_MEM,
  59                }, {
  60                        .start = data->irq,
  61                        .end = data->irq,
  62                        .flags = IORESOURCE_IRQ,
  63                }, {
  64                        .start = data->dmareq,
  65                        .end = data->dmareq,
  66                        .flags = IORESOURCE_DMA,
  67                },
  68        };
  69        return imx_add_platform_device_dmamask("mxc-mmc", data->id,
  70                        res, ARRAY_SIZE(res),
  71                        pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  72}
  73