LXR linux/arch/arm/plat-mxc/devices/platform-flexcan.c

   1/*
   2 * Copyright (C) 2010 Pengutronix, Marc Kleine-Budde <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#include <mach/hardware.h>
   9#include <mach/devices-common.h>
  10
  11#define imx_flexcan_data_entry_single(soc, _id, _hwid, _size)           \
  12        {                                                               \
  13                .id = _id,                                              \
  14                .iobase = soc ## _CAN ## _hwid ## _BASE_ADDR,           \
  15                .iosize = _size,                                        \
  16                .irq = soc ## _INT_CAN ## _hwid,                        \
  17        }
  18
  19#define imx_flexcan_data_entry(soc, _id, _hwid, _size)                  \
  20        [_id] = imx_flexcan_data_entry_single(soc, _id, _hwid, _size)
  21
  22#ifdef CONFIG_SOC_IMX25
  23const struct imx_flexcan_data imx25_flexcan_data[] __initconst = {
  24#define imx25_flexcan_data_entry(_id, _hwid)                            \
  25        imx_flexcan_data_entry(MX25, _id, _hwid, SZ_16K)
  26        imx25_flexcan_data_entry(0, 1),
  27        imx25_flexcan_data_entry(1, 2),
  28};
  29#endif /* ifdef CONFIG_SOC_IMX25 */
  30
  31#ifdef CONFIG_SOC_IMX35
  32const struct imx_flexcan_data imx35_flexcan_data[] __initconst = {
  33#define imx35_flexcan_data_entry(_id, _hwid)                            \
  34        imx_flexcan_data_entry(MX35, _id, _hwid, SZ_16K)
  35        imx35_flexcan_data_entry(0, 1),
  36        imx35_flexcan_data_entry(1, 2),
  37};
  38#endif /* ifdef CONFIG_SOC_IMX35 */
  39
  40struct platform_device *__init imx_add_flexcan(
  41                const struct imx_flexcan_data *data,
  42                const struct flexcan_platform_data *pdata)
  43{
  44        struct resource res[] = {
  45                {
  46                        .start = data->iobase,
  47                        .end = data->iobase + data->iosize - 1,
  48                        .flags = IORESOURCE_MEM,
  49                }, {
  50                        .start = data->irq,
  51                        .end = data->irq,
  52                        .flags = IORESOURCE_IRQ,
  53                },
  54        };
  55
  56        return imx_add_platform_device("flexcan", data->id,
  57                        res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  58}
  59