zephyr/include/drivers/k6x_mpu.h

72 lines
2.2 KiB
C

/*
* Copyright (c) 2014 Wind River Systems, Inc.
*
* Licensed 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.
*/
/**
* @file
* @brief Freescale K6x microprocessor MPU register definitions
*
* This module defines the Memory Protection Unit (MPU) Registers for the K6x
* Family of microprocessors.
* NOTE: Not all the registers are currently defined here - only those that are
* currently used.
*/
#ifndef _K6xMPU_H_
#define _K6xMPU_H_
#include <stdint.h>
#define MPU_VALID_MASK 0x01
#define MPU_SLV_PORT_ERR_MASK 0xF8
union CESR {
uint32_t value;
struct {
uint8_t valid : 1 __packed; /* MPU valid/enable */
uint8_t res_1 : 7 __packed; /* RAZ/WI */
uint8_t numRgnDescs : 4 __packed; /* # of regions */
uint8_t numSlvPorts : 4 __packed; /* # of slave ports */
uint8_t hwRevLvl : 4 __packed; /* Hardware revision */
uint8_t res_20 : 3 __packed; /* RAZ/WI */
uint8_t res_23 : 1 __packed; /* RAO/WI */
uint8_t res_24 : 3 __packed; /* RAZ/WI */
uint8_t slvPortNErr : 5 __packed; /* slave port N err */
} field;
}; /* 0x000 Control/Error Status Register */
#define MPU_NUM_SLV_PORTS 5
#define MPU_NUM_REGIONS 12
#define MPU_NUM_WORDS_PER_REGION 4
struct K6x_MPU {
union CESR ctrlErrStatus; /* 0x0000 */
uint32_t errAddr0; /* 0x0010 */
uint32_t errDetail0; /* 0x0014 */
uint32_t errAddr1; /* 0x0018 */
uint32_t errDetail1; /* 0x001C */
uint32_t errAddr2; /* 0x0020 */
uint32_t errDetail2; /* 0x0024 */
uint32_t errAddr3; /* 0x0028 */
uint32_t errDetail3; /* 0x002C */
uint32_t errAddr4; /* 0x0030 */
uint32_t errDetail4; /* 0x0034 */
uint32_t rgnDesc[MPU_NUM_REGIONS][MPU_NUM_WORDS_PER_REGION]; /* 0x0400
*/
uint32_t rgnDescAltAccCtrl[MPU_NUM_REGIONS]; /* 0x0800 */
}; /* K6x Microntroller PMC module */
#endif /* _K6xMPU_H_ */