RTEMS: bsps/sparc/leon3/include/bsp/watchdog.h Source File

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watchdog.h
1/* watchdog.h
2 *
3 * The LEON3 BSP timer watch-dog interface
4 *
5 * COPYRIGHT (c) 2012.
6 * Cobham Gaisler AB.
7 *
8 * The license and distribution terms for this file may be
9 * found in the file LICENSE in this distribution or at
10 * http://www.rtems.org/license/LICENSE.
11 */
12
13#ifndef __WATCHDOG_H__
14#define __WATCHDOG_H__
15
16#ifdef __cplusplus
17extern "C" {
18#endif
19
20/* Initialize BSP watchdog routines. Returns number of watchdog timers found.
21 * Currently only one is supported.
22 */
23int bsp_watchdog_init(void);
24
25/* Reload watchdog (last timer on the first GPTIMER core), all systems does not
26 * feature a watchdog, it is expected that if this function is called the
27 * user knows that there is a watchdog available.
28 *
29 * The prescaler is normally set to number of MHz of system, this is to
30 * make the system clock tick be stable.
31 *
32 * Arguments
33 * watchdog - Always 0 for now
34 * reload_value - Number of timer clocks (after prescaler) to count before
35 * watchdog is woken.
36 */
37void bsp_watchdog_reload(int watchdog, unsigned int reload_value);
38
39/* Stop watchdog timer */
40void bsp_watchdog_stop(int watchdog);
41
42/* Use watchdog0 timer to reset the system */
43void bsp_watchdog_system_reset(void);
44
45#ifdef __cplusplus
46}
47#endif
48
49#endif