platform-mxc_nand.c

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/*
 * Copyright (C) 2009-2010 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 <asm/sizes.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>

#define imx_mxc_nand_data_entry_single(soc, _size)          \
    {                               \
        .iobase = soc ## _NFC_BASE_ADDR,            \
        .iosize = _size,                    \
        .irq = soc ## _INT_NFC                  \
    }

#define imx_mxc_nandv3_data_entry_single(soc, _size)            \
    {                               \
        .id = -1,                       \
        .iobase = soc ## _NFC_BASE_ADDR,            \
        .iosize = _size,                    \
        .axibase = soc ## _NFC_AXI_BASE_ADDR,           \
        .irq = soc ## _INT_NFC                  \
    }

#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst =
    imx_mxc_nand_data_entry_single(MX21, SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX21 */

#ifdef CONFIG_SOC_IMX25
const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst =
    imx_mxc_nand_data_entry_single(MX25, SZ_8K);
#endif /* ifdef CONFIG_SOC_IMX25 */

#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
    imx_mxc_nand_data_entry_single(MX27, SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX27 */

#ifdef CONFIG_SOC_IMX31
const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
    imx_mxc_nand_data_entry_single(MX31, SZ_4K);
#endif

#ifdef CONFIG_SOC_IMX35
const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
    imx_mxc_nand_data_entry_single(MX35, SZ_8K);
#endif

#ifdef CONFIG_SOC_IMX51
const struct imx_mxc_nand_data imx51_mxc_nand_data __initconst =
    imx_mxc_nandv3_data_entry_single(MX51, SZ_16K);
#endif

struct platform_device *__init imx_add_mxc_nand(
        const struct imx_mxc_nand_data *data,
        const struct mxc_nand_platform_data *pdata)
{
    /* AXI has to come first, that's how the mxc_nand driver expect it */
    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->axibase,
            .end = data->axibase + SZ_16K - 1,
            .flags = IORESOURCE_MEM,
        },
    };
    return imx_add_platform_device("mxc_nand", data->id,
            res, ARRAY_SIZE(res) - !data->axibase,
            pdata, sizeof(*pdata));
}