arch/arm/plat-mxc/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 #include <mach/hardware.h>
  11 #include <mach/devices-common.h>
  12
  13 #define imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)          \
  14         {                                                               \
  15                 .id = _id,                                              \
  16                 .iobase = soc ## _WDOG ## _hwid ## _BASE_ADDR,          \
  17                 .iosize = _size,                                        \
  18         }
  19 #define imx_imx2_wdt_data_entry(soc, _id, _hwid, _size)                 \
  20         [_id] = imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)
  21
  22 #ifdef CONFIG_SOC_IMX21
  23 const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst =
  24         imx_imx2_wdt_data_entry_single(MX21, 0, , SZ_4K);
  25 #endif /* ifdef CONFIG_SOC_IMX21 */
  26
  27 #ifdef CONFIG_SOC_IMX25
  28 const struct imx_imx2_wdt_data imx25_imx2_wdt_data __initconst =
  29         imx_imx2_wdt_data_entry_single(MX25, 0, , SZ_16K);
  30 #endif /* ifdef CONFIG_SOC_IMX25 */
  31
  32 #ifdef CONFIG_SOC_IMX27
  33 const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
  34         imx_imx2_wdt_data_entry_single(MX27, 0, , SZ_4K);
  35 #endif /* ifdef CONFIG_SOC_IMX27 */
  36
  37 #ifdef CONFIG_SOC_IMX31
  38 const struct imx_imx2_wdt_data imx31_imx2_wdt_data __initconst =
  39         imx_imx2_wdt_data_entry_single(MX31, 0, , SZ_16K);
  40 #endif /* ifdef CONFIG_SOC_IMX31 */
  41
  42 #ifdef CONFIG_SOC_IMX35
  43 const struct imx_imx2_wdt_data imx35_imx2_wdt_data __initconst =
  44         imx_imx2_wdt_data_entry_single(MX35, 0, , SZ_16K);
  45 #endif /* ifdef CONFIG_SOC_IMX35 */
  46
  47 #ifdef CONFIG_SOC_IMX51
  48 const struct imx_imx2_wdt_data imx51_imx2_wdt_data[] __initconst = {
  49 #define imx51_imx2_wdt_data_entry(_id, _hwid)                           \
  50         imx_imx2_wdt_data_entry(MX51, _id, _hwid, SZ_16K)
  51         imx51_imx2_wdt_data_entry(0, 1),
  52         imx51_imx2_wdt_data_entry(1, 2),
  53 };
  54 #endif /* ifdef CONFIG_SOC_IMX51 */
  55
  56 #ifdef CONFIG_SOC_IMX53
  57 const struct imx_imx2_wdt_data imx53_imx2_wdt_data[] __initconst = {
  58 #define imx53_imx2_wdt_data_entry(_id, _hwid)                           \
  59         imx_imx2_wdt_data_entry(MX53, _id, _hwid, SZ_16K)
  60         imx53_imx2_wdt_data_entry(0, 1),
  61         imx53_imx2_wdt_data_entry(1, 2),
  62 };
  63 #endif /* ifdef CONFIG_SOC_IMX53 */
  64
  65 struct platform_device *__init imx_add_imx2_wdt(
  66                 const struct imx_imx2_wdt_data *data)
  67 {
  68         struct resource res[] = {
  69                 {
  70                         .start = data->iobase,
  71                         .end = data->iobase + data->iosize - 1,
  72                         .flags = IORESOURCE_MEM,
  73                 },
  74         };
  75         return imx_add_platform_device("imx2-wdt", data->id,
  76                         res, ARRAY_SIZE(res), NULL, 0);
  77 }