* arch/arm/src/samv7/sam_systemreset.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_SAMV7_SAM_SYSTEMRESET_H
#define __ARCH_ARM_SRC_SAMV7_SAM_SYSTEMRESET_H
* Included Files
****************************************************************************/
#include <stdint.h>
* Pre-processor Definitions
****************************************************************************/
#define SAMV7_RESET_PWRUP 1
#define SAMV7_RESET_BACKUP 2
#define SAMV7_RESET_WDOG 3
#define SAMV7_RESET_SWRST 4
#define SAMV7_RESET_NRST 5
* Public Function Prototypes
****************************************************************************/
* Name: sam_get_reset_cause
*
* Description:
* Get cause of the last CPU reset. This is done by reading reset status
* registger.
*
* Returned Value:
* CPU reset cause in form of macros defined in sam_systemreset.h. This is
* to avoid passing boardctl dependent structure to architecture layer.
* Board level specific code should include sam_systemreset.h and set
* boardctl result according to that. -1 is returned in case of invalid
* value in status register.
*
****************************************************************************/
int sam_get_reset_cause(void);
#endif