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linux/arch/arm/plat-mxc/devices/platform-imx2-wdt.c
Fabio Estevam 8c2efec3cd ARM: mx5: add support for the two watchdog modules
MX51 has two watchdog modules.

Add support for both of them.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-07 20:03:11 +01:00

69 lines
2.1 KiB
C

/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* 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 <asm/sizes.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size) \
{ \
.id = _id, \
.iobase = soc ## _WDOG ## _hwid ## _BASE_ADDR, \
.iosize = _size, \
}
#define imx_imx2_wdt_data_entry(soc, _id, _hwid, _size) \
[_id] = imx_imx2_wdt_data_entry_single(soc, _id, _hwid, _size)
#ifdef CONFIG_SOC_IMX21
const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX21, 0, , SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX25
const struct imx_imx2_wdt_data imx25_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX25, 0, , SZ_16K);
#endif /* ifdef CONFIG_SOC_IMX25 */
#ifdef CONFIG_SOC_IMX27
const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX27, 0, , SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_SOC_IMX31
const struct imx_imx2_wdt_data imx31_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX31, 0, , SZ_16K);
#endif /* ifdef CONFIG_SOC_IMX31 */
#ifdef CONFIG_SOC_IMX35
const struct imx_imx2_wdt_data imx35_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX35, 0, , SZ_16K);
#endif /* ifdef CONFIG_SOC_IMX35 */
#ifdef CONFIG_SOC_IMX51
const struct imx_imx2_wdt_data imx51_imx2_wdt_data[] __initconst = {
#define imx51_imx2_wdt_data_entry(_id, _hwid) \
imx_imx2_wdt_data_entry(MX51, _id, _hwid, SZ_16K)
imx51_imx2_wdt_data_entry(0, 1),
imx51_imx2_wdt_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX51 */
struct platform_device *__init imx_add_imx2_wdt(
const struct imx_imx2_wdt_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + data->iosize - 1,
.flags = IORESOURCE_MEM,
},
};
return imx_add_platform_device("imx2-wdt", data->id,
res, ARRAY_SIZE(res), NULL, 0);
}