LXR linux/arch/arm/mach-imx/devices/platform-imx2-wdt.c

   1/*
   2 * Copyright (C) 2010 Pengutronix
   3 * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4 *
   5 * This program is free software; you can redistribute it and/or modify it under
   6 * the terms of the GNU General Public License version 2 as published by the
   7 * Free Software Foundation.
   8 */
   9#include <asm/sizes.h>
  10
  11#include "../hardware.h"
  12#include "devices-common.h"
  13
  14#define imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)          \
  15        {                                                               \
  16                .id = _id,                                              \
  17                .iobase = soc ## _WDOG ## _hwid ## _BASE_ADDR,          \
  18                .iosize = _size,                                        \
  19        }
  20#define imx_imx2_wdt_data_entry(soc, _id, _hwid, _size)                 \
  21        [_id] = imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)
  22
  23#ifdef CONFIG_SOC_IMX21
  24const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst =
  25        imx_imx2_wdt_data_entry_single(MX21, 0, , SZ_4K);
  26#endif /* ifdef CONFIG_SOC_IMX21 */
  27
  28#ifdef CONFIG_SOC_IMX27
  29const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
  30        imx_imx2_wdt_data_entry_single(MX27, 0, , SZ_4K);
  31#endif /* ifdef CONFIG_SOC_IMX27 */
  32
  33#ifdef CONFIG_SOC_IMX31
  34const struct imx_imx2_wdt_data imx31_imx2_wdt_data __initconst =
  35        imx_imx2_wdt_data_entry_single(MX31, 0, , SZ_16K);
  36#endif /* ifdef CONFIG_SOC_IMX31 */
  37
  38#ifdef CONFIG_SOC_IMX35
  39const struct imx_imx2_wdt_data imx35_imx2_wdt_data __initconst =
  40        imx_imx2_wdt_data_entry_single(MX35, 0, , SZ_16K);
  41#endif /* ifdef CONFIG_SOC_IMX35 */
  42
  43struct platform_device *__init imx_add_imx2_wdt(
  44                const struct imx_imx2_wdt_data *data)
  45{
  46        struct resource res[] = {
  47                {
  48                        .start = data->iobase,
  49                        .end = data->iobase + data->iosize - 1,
  50                        .flags = IORESOURCE_MEM,
  51                },
  52        };
  53        return imx_add_platform_device("imx2-wdt", data->id,
  54                        res, ARRAY_SIZE(res), NULL, 0);
  55}
  56