platform-mxc-mmc.c

Go to the documentation of this file.

/*
 * Copyright (C) 2010 Pengutronix
 * Uwe Kleine-Koenig <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 */
#include <linux/dma-mapping.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>

#define imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size)       \
    {                               \
        .id = _id,                      \
        .iobase = soc ## _SDHC ## _hwid ## _BASE_ADDR,      \
        .iosize = _size,                    \
        .irq = soc ## _INT_SDHC ## _hwid,           \
        .dmareq = soc ## _DMA_REQ_SDHC ## _hwid,        \
    }
#define imx_mxc_mmc_data_entry(soc, _id, _hwid, _size)          \
    [_id] = imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size)

#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst = {
#define imx21_mxc_mmc_data_entry(_id, _hwid)                \
    imx_mxc_mmc_data_entry(MX21, _id, _hwid, SZ_4K)
    imx21_mxc_mmc_data_entry(0, 1),
    imx21_mxc_mmc_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX21 */

#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst = {
#define imx27_mxc_mmc_data_entry(_id, _hwid)                \
    imx_mxc_mmc_data_entry(MX27, _id, _hwid, SZ_4K)
    imx27_mxc_mmc_data_entry(0, 1),
    imx27_mxc_mmc_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX27 */

#ifdef CONFIG_SOC_IMX31
const struct imx_mxc_mmc_data imx31_mxc_mmc_data[] __initconst = {
#define imx31_mxc_mmc_data_entry(_id, _hwid)                \
    imx_mxc_mmc_data_entry(MX31, _id, _hwid, SZ_16K)
    imx31_mxc_mmc_data_entry(0, 1),
    imx31_mxc_mmc_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX31 */

struct platform_device *__init imx_add_mxc_mmc(
        const struct imx_mxc_mmc_data *data,
        const struct imxmmc_platform_data *pdata)
{
    struct resource res[] = {
        {
            .start = data->iobase,
            .end = data->iobase + data->iosize - 1,
            .flags = IORESOURCE_MEM,
        }, {
            .start = data->irq,
            .end = data->irq,
            .flags = IORESOURCE_IRQ,
        }, {
            .start = data->dmareq,
            .end = data->dmareq,
            .flags = IORESOURCE_DMA,
        },
    };
    return imx_add_platform_device_dmamask("mxc-mmc", data->id,
            res, ARRAY_SIZE(res),
            pdata, sizeof(*pdata), DMA_BIT_MASK(32));
}