rt-thread/bsp/imxrt1052-evk/Libraries/drivers/fsl_aipstz.c

/*
 * The Clear BSD License
 * Copyright (c) 2015, Freescale Semiconductor, Inc.
 * Copyright 2016-2017 NXP
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted (subject to the limitations in the disclaimer below) provided
 *  that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o 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.
 *
 * o Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
 * 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 HOLDER 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.
 */

#include "fsl_aipstz.h"

/*******************************************************************************
 * Definitions
 ******************************************************************************/

/* Component ID definition, used by tools. */
#ifndef FSL_COMPONENT_ID
#define FSL_COMPONENT_ID "platform.drivers.aipstz"
#endif


/*******************************************************************************
 * Prototypes
 ******************************************************************************/
void AIPSTZ_SetMasterPriviledgeLevel(AIPSTZ_Type *base, aipstz_master_t master, uint32_t privilegeConfig)
{
    uint32_t mask = ((uint32_t)master >> 8) - 1;
    uint32_t shift = (uint32_t)master & 0xFF;
    base->MPR = (base->MPR & (~(mask << shift))) | (privilegeConfig << shift);
}

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 >> 16));
    uint32_t mask = (((uint32_t)peripheral & 0xFF00U) >> 8) - 1;
    uint32_t shift = (uint32_t)peripheral & 0xFF;

    *reg = (*reg & (~(mask << shift))) | ((accessControl & mask) << shift);
}