1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2001
4 * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
5 */
6
7/*
8 * Watchdog functions and macros.
9 */
10#ifndef _WATCHDOG_H_
11#define _WATCHDOG_H_
12
13#include <cyclic.h>
14
15/*
16 * Reset the watchdog timer, always returns 0
17 *
18 * This function is here since it is shared between board_f() and board_r(),
19 * and the legacy arch/<arch>/board.c code.
20 */
21int init_func_watchdog_reset(void);
22
23#if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG)
24#define INIT_FUNC_WATCHDOG_INIT	init_func_watchdog_init,
25#define INIT_FUNC_WATCHDOG_RESET	init_func_watchdog_reset,
26#else
27#define INIT_FUNC_WATCHDOG_INIT
28#define INIT_FUNC_WATCHDOG_RESET
29#endif
30
31#if defined(CONFIG_HW_WATCHDOG) && defined(CONFIG_WATCHDOG)
32#  error "Configuration error: CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG can't be used together."
33#endif
34
35/*
36 * Prototypes from $(CPU)/cpu.c.
37 */
38
39#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
40	void hw_watchdog_init(void);
41#endif
42
43#if defined(CONFIG_MPC85xx)
44	void init_85xx_watchdog(void);
45#endif
46#endif /* _WATCHDOG_H_ */
47