u-boot/arch/arm/include/asm/arch-sunxi/watchdog.h

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/*
* (C) Copyright 2014
* Chen-Yu Tsai <wens@csie.org>
*
* Watchdog register definitions
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _SUNXI_WATCHDOG_H_
#define _SUNXI_WATCHDOG_H_
#define WDT_CTRL_RESTART (0x1 << 0)
#define WDT_CTRL_KEY (0x0a57 << 1)
#if defined(CONFIG_MACH_SUN4I) || \
defined(CONFIG_MACH_SUN5I) || \
defined(CONFIG_MACH_SUN7I) || \
defined(CONFIG_MACH_SUN8I_R40)
#define WDT_MODE_EN (0x1 << 0)
#define WDT_MODE_RESET_EN (0x1 << 1)
struct sunxi_wdog {
u32 ctl; /* 0x00 */
u32 mode; /* 0x04 */
u32 res[2];
};
#else
#define WDT_CFG_RESET (0x1)
#define WDT_MODE_EN (0x1)
struct sunxi_wdog {
u32 irq_en; /* 0x00 */
u32 irq_sta; /* 0x04 */
u32 res1[2];
u32 ctl; /* 0x10 */
u32 cfg; /* 0x14 */
u32 mode; /* 0x18 */
u32 res2;
};
#endif
#endif /* _SUNXI_WATCHDOG_H_ */