platform-flexcan.c

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/*
 * Copyright (C) 2010 Pengutronix, Marc Kleine-Budde <[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 <mach/hardware.h>
#include <mach/devices-common.h>

#define imx_flexcan_data_entry_single(soc, _id, _hwid, _size)       \
    {                               \
        .id = _id,                      \
        .iobase = soc ## _CAN ## _hwid ## _BASE_ADDR,       \
        .iosize = _size,                    \
        .irq = soc ## _INT_CAN ## _hwid,            \
    }

#define imx_flexcan_data_entry(soc, _id, _hwid, _size)          \
    [_id] = imx_flexcan_data_entry_single(soc, _id, _hwid, _size)

#ifdef CONFIG_SOC_IMX25
const struct imx_flexcan_data imx25_flexcan_data[] __initconst = {
#define imx25_flexcan_data_entry(_id, _hwid)                \
    imx_flexcan_data_entry(MX25, _id, _hwid, SZ_16K)
    imx25_flexcan_data_entry(0, 1),
    imx25_flexcan_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX25 */

#ifdef CONFIG_SOC_IMX35
const struct imx_flexcan_data imx35_flexcan_data[] __initconst = {
#define imx35_flexcan_data_entry(_id, _hwid)                \
    imx_flexcan_data_entry(MX35, _id, _hwid, SZ_16K)
    imx35_flexcan_data_entry(0, 1),
    imx35_flexcan_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX35 */

struct platform_device *__init imx_add_flexcan(
        const struct imx_flexcan_data *data,
        const struct flexcan_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,
        },
    };

    return imx_add_platform_device("flexcan", data->id,
            res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}