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/* SPDX-License-Identifier: BSD-2-Clause */
/* watchdog.h
*
* The LEON3 BSP timer watch-dog interface
*
* COPYRIGHT (c) 2012.
* Cobham Gaisler AB.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __WATCHDOG_H__
#define __WATCHDOG_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Initialize BSP watchdog routines. Returns number of watchdog timers found.
* Currently only one is supported.
*/
int bsp_watchdog_init(void);
/* Reload watchdog (last timer on the first GPTIMER core), all systems does not
* feature a watchdog, it is expected that if this function is called the
* user knows that there is a watchdog available.
*
* The prescaler is normally set to number of MHz of system, this is to
* make the system clock tick be stable.
*
* Arguments
* watchdog - Always 0 for now
* reload_value - Number of timer clocks (after prescaler) to count before
* watchdog is woken.
*/
void bsp_watchdog_reload(int watchdog, unsigned int reload_value);
/* Stop watchdog timer */
void bsp_watchdog_stop(int watchdog);
/* Use watchdog0 timer to reset the system */
void bsp_watchdog_system_reset(void);
#ifdef __cplusplus
}
#endif
#endif
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