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
  24 const 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_IMX25
  29 const struct imx_imx2_wdt_data imx25_imx2_wdt_data __initconst =
  30         imx_imx2_wdt_data_entry_single(MX25, 0, , SZ_16K);
  31 #endif /* ifdef CONFIG_SOC_IMX25 */
  32
  33 #ifdef CONFIG_SOC_IMX27
  34 const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
  35         imx_imx2_wdt_data_entry_single(MX27, 0, , SZ_4K);
  36 #endif /* ifdef CONFIG_SOC_IMX27 */
  37
  38 #ifdef CONFIG_SOC_IMX31
  39 const struct imx_imx2_wdt_data imx31_imx2_wdt_data __initconst =
  40         imx_imx2_wdt_data_entry_single(MX31, 0, , SZ_16K);
  41 #endif /* ifdef CONFIG_SOC_IMX31 */
  42
  43 #ifdef CONFIG_SOC_IMX35
  44 const struct imx_imx2_wdt_data imx35_imx2_wdt_data __initconst =
  45         imx_imx2_wdt_data_entry_single(MX35, 0, , SZ_16K);
  46 #endif /* ifdef CONFIG_SOC_IMX35 */
  47
  48 #ifdef CONFIG_SOC_IMX51
  49 const struct imx_imx2_wdt_data imx51_imx2_wdt_data[] __initconst = {
  50 #define imx51_imx2_wdt_data_entry(_id, _hwid)                           \
  51         imx_imx2_wdt_data_entry(MX51, _id, _hwid, SZ_16K)
  52         imx51_imx2_wdt_data_entry(0, 1),
  53         imx51_imx2_wdt_data_entry(1, 2),
  54 };
  55 #endif /* ifdef CONFIG_SOC_IMX51 */
  56
  57 #ifdef CONFIG_SOC_IMX53
  58 const struct imx_imx2_wdt_data imx53_imx2_wdt_data[] __initconst = {
  59 #define imx53_imx2_wdt_data_entry(_id, _hwid)                           \
  60         imx_imx2_wdt_data_entry(MX53, _id, _hwid, SZ_16K)
  61         imx53_imx2_wdt_data_entry(0, 1),
  62         imx53_imx2_wdt_data_entry(1, 2),
  63 };
  64 #endif /* ifdef CONFIG_SOC_IMX53 */
  65
  66 struct platform_device *__init imx_add_imx2_wdt(
  67                 const struct imx_imx2_wdt_data *data)
  68 {
  69         struct resource res[] = {
  70                 {
  71                         .start = data->iobase,
  72                         .end = data->iobase + data->iosize - 1,
  73                         .flags = IORESOURCE_MEM,
  74                 },
  75         };
  76         return imx_add_platform_device("imx2-wdt", data->id,
  77                         res, ARRAY_SIZE(res), NULL, 0);
  78 }