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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2010 Pengutronix
   4  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   5  */
   6 #include <linux/dma-mapping.h>
   7
   8 #include "../hardware.h"
   9 #include "devices-common.h"
  10
  11 #define imx_mxc_mmc_data_entry_single(soc, _devid, _id, _hwid, _size)   \
  12         {                                                               \
  13                 .devid = _devid,                                        \
  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, _devid, _id, _hwid, _size)          \
  21         [_id] = imx_mxc_mmc_data_entry_single(soc, _devid, _id, _hwid, _size)
  22
  23 #ifdef CONFIG_SOC_IMX21
  24 const 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, "imx21-mmc", _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
  33 const 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, "imx21-mmc", _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
  42 const 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, "imx31-mmc", _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
  50 struct 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 + data->iosize - 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(data->devid, data->id,
  70                         res, ARRAY_SIZE(res),
  71                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  72 }