LXR linux/arch/arm/mach-imx/devices/platform-sdhci-esdhc-imx.c

   1/*
   2 * Copyright (C) 2010 Pengutronix, Wolfram Sang <kernel@pengutronix.de>
   3 *
   4 * This program is free software; you can redistribute it and/or modify it under
   5 * the terms of the GNU General Public License version 2 as published by the
   6 * Free Software Foundation.
   7 */
   8
   9#include <linux/platform_data/mmc-esdhc-imx.h>
  10
  11#include "../hardware.h"
  12#include "devices-common.h"
  13
  14#define imx_sdhci_esdhc_imx_data_entry_single(soc, _devid, _id, hwid) \
  15        {                                                               \
  16                .devid = _devid,                                        \
  17                .id = _id,                                              \
  18                .iobase = soc ## _ESDHC ## hwid ## _BASE_ADDR,  \
  19                .irq = soc ## _INT_ESDHC ## hwid,                       \
  20        }
  21
  22#define imx_sdhci_esdhc_imx_data_entry(soc, devid, id, hwid)    \
  23        [id] = imx_sdhci_esdhc_imx_data_entry_single(soc, devid, id, hwid)
  24
  25#ifdef CONFIG_SOC_IMX25
  26const struct imx_sdhci_esdhc_imx_data
  27imx25_sdhci_esdhc_imx_data[] __initconst = {
  28#define imx25_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  29        imx_sdhci_esdhc_imx_data_entry(MX25, "sdhci-esdhc-imx25", _id, _hwid)
  30        imx25_sdhci_esdhc_imx_data_entry(0, 1),
  31        imx25_sdhci_esdhc_imx_data_entry(1, 2),
  32};
  33#endif /* ifdef CONFIG_SOC_IMX25 */
  34
  35#ifdef CONFIG_SOC_IMX35
  36const struct imx_sdhci_esdhc_imx_data
  37imx35_sdhci_esdhc_imx_data[] __initconst = {
  38#define imx35_sdhci_esdhc_imx_data_entry(_id, _hwid)                    \
  39        imx_sdhci_esdhc_imx_data_entry(MX35, "sdhci-esdhc-imx35", _id, _hwid)
  40        imx35_sdhci_esdhc_imx_data_entry(0, 1),
  41        imx35_sdhci_esdhc_imx_data_entry(1, 2),
  42        imx35_sdhci_esdhc_imx_data_entry(2, 3),
  43};
  44#endif /* ifdef CONFIG_SOC_IMX35 */
  45
  46static const struct esdhc_platform_data default_esdhc_pdata __initconst = {
  47        .wp_type = ESDHC_WP_NONE,
  48        .cd_type = ESDHC_CD_NONE,
  49};
  50
  51struct platform_device *__init imx_add_sdhci_esdhc_imx(
  52                const struct imx_sdhci_esdhc_imx_data *data,
  53                const struct esdhc_platform_data *pdata)
  54{
  55        struct resource res[] = {
  56                {
  57                        .start = data->iobase,
  58                        .end = data->iobase + SZ_16K - 1,
  59                        .flags = IORESOURCE_MEM,
  60                }, {
  61                        .start = data->irq,
  62                        .end = data->irq,
  63                        .flags = IORESOURCE_IRQ,
  64                },
  65        };
  66
  67        /*
  68         * If machine does not provide pdata, use the default one
  69         * which means no WP/CD support
  70         */
  71        if (!pdata)
  72                pdata = &default_esdhc_pdata;
  73
  74        return imx_add_platform_device_dmamask(data->devid, data->id, res,
  75                        ARRAY_SIZE(res), pdata, sizeof(*pdata),
  76                        DMA_BIT_MASK(32));
  77}
  78