MCUXpresso_MIMXRT1021xxxxx/devices/MIMXRT1021/drivers/fsl_aipstz.c

52 lines
1.8 KiB
C

/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2019 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_aipstz.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "platform.drivers.aipstz"
#endif
/*******************************************************************************
* Prototypes
******************************************************************************/
/*!
* brief Configure the privilege level for master.
*
* param base AIPSTZ peripheral base pointer
* param master Masters for AIPSTZ.
* param privilegeConfig Configuration is ORed from aipstz_master_privilege_level_t.
*/
void AIPSTZ_SetMasterPriviledgeLevel(AIPSTZ_Type *base, aipstz_master_t master, uint32_t privilegeConfig)
{
uint32_t mask = ((uint32_t)master >> 8U) - 1U;
uint32_t shift = (uint32_t)master & 0xFFU;
base->MPR = (base->MPR & (~(mask << shift))) | (privilegeConfig << shift);
}
/*!
* brief Configure the access for peripheral.
*
* param base AIPSTZ peripheral base pointer
* param master Peripheral for AIPSTZ.
* param accessControl Configuration is ORed from aipstz_peripheral_access_control_t.
*/
void AIPSTZ_SetPeripheralAccessControl(AIPSTZ_Type *base, aipstz_peripheral_t peripheral, uint32_t accessControl)
{
volatile uint32_t *reg = (uint32_t *)((uint32_t)base + ((uint32_t)peripheral >> 16U));
uint32_t mask = (((uint32_t)peripheral & 0xFF00U) >> 8U) - 1U;
uint32_t shift = (uint32_t)peripheral & 0xFFU;
*reg = (*reg & (~(mask << shift))) | ((accessControl & mask) << shift);
}