incubator-nuttx/arch/arm/include/mx8mp/chip.h

62 lines
2.7 KiB
C
Raw Normal View History

2023-07-25 00:41:05 +08:00
/****************************************************************************
* arch/arm/include/mx8mp/chip.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_INCLUDE_MX8MP_CHIP_H
#define __ARCH_ARM_INCLUDE_MX8MP_CHIP_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Prototypes
****************************************************************************/
/* Get customizations for each supported chip */
/* NVIC priority levels *****************************************************/
/* Each priority field holds a priority value. The lower the value, the
* greater the priority of the corresponding interrupt.
* The mx8mp implements only bits[7:4] of this field, bits[3:0]
* read as zero and ignore writes.
*/
#define NVIC_SYSH_PRIORITY_MIN 0xf0 /* All bits[7:4] set is minimum priority */
#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */
#define NVIC_SYSH_PRIORITY_STEP 0x10 /* Steps between supported priority values */
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Functions Prototypes
****************************************************************************/
#endif /* __ARCH_ARM_INCLUDE_MX8MP_CHIP_H */