Zephyr API Documentation 4.0.0-rc2
A Scalable Open Source RTOS
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mpu.h
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1/* SPDX-License-Identifier: Apache-2.0
2 *
3 * Copyright (c) 2019 Lexmark International, Inc.
4 */
5#ifndef ARCH_ARM_CORTEX_R_MPU_H
6#define ARCH_ARM_CORTEX_R_MPU_H 1
7
8#define MPU_RBAR_ADDR_Msk (~0x1f)
9#define MPU_RASR_ENABLE_Msk (1)
10
11#define MPU_RASR_SIZE_Pos 1U
12#define MPU_RASR_SIZE_Msk (0x1FUL << MPU_RASR_SIZE_Pos)
13
14#define MPU_TYPE_DREGION_Pos 8U
15#define MPU_TYPE_DREGION_Msk (0xFFUL << MPU_TYPE_DREGION_Pos)
16
17#define MPU_RASR_XN_Pos 12
18#define MPU_RASR_XN_Msk (1UL << MPU_RASR_XN_Pos)
19
20#define MPU_RASR_AP_Pos 8
21#define MPU_RASR_AP_Msk (0x7UL << MPU_RASR_AP_Pos)
22
23#define MPU_RASR_TEX_Pos 3
24#define MPU_RASR_TEX_Msk (0x7UL << MPU_RASR_TEX_Pos)
25
26#define MPU_RASR_S_Pos 2
27#define MPU_RASR_S_Msk (1UL << MPU_RASR_S_Pos)
28
29#define MPU_RASR_C_Pos 1
30#define MPU_RASR_C_Msk (1UL << MPU_RASR_C_Pos)
31
32#define MPU_RASR_B_Pos 0
33#define MPU_RASR_B_Msk (1UL << MPU_RASR_B_Pos)
34
35#if defined(CONFIG_CPU_CORTEX_R4) || defined(CONFIG_CPU_CORTEX_R5) || defined(CONFIG_CPU_CORTEX_R8)
36#define ARM_MPU_REGION_SIZE_32B ((uint8_t)0x04U)
37#define ARM_MPU_REGION_SIZE_64B ((uint8_t)0x05U)
38#define ARM_MPU_REGION_SIZE_128B ((uint8_t)0x06U)
39#endif
40
41#define ARM_MPU_REGION_SIZE_256B ((uint8_t)0x07U)
42#define ARM_MPU_REGION_SIZE_512B ((uint8_t)0x08U)
43#define ARM_MPU_REGION_SIZE_1KB ((uint8_t)0x09U)
44#define ARM_MPU_REGION_SIZE_2KB ((uint8_t)0x0aU)
45#define ARM_MPU_REGION_SIZE_4KB ((uint8_t)0x0bU)
46#define ARM_MPU_REGION_SIZE_8KB ((uint8_t)0x0cU)
47#define ARM_MPU_REGION_SIZE_16KB ((uint8_t)0x0dU)
48#define ARM_MPU_REGION_SIZE_32KB ((uint8_t)0x0eU)
49#define ARM_MPU_REGION_SIZE_64KB ((uint8_t)0x0fU)
50#define ARM_MPU_REGION_SIZE_128KB ((uint8_t)0x10U)
51#define ARM_MPU_REGION_SIZE_256KB ((uint8_t)0x11U)
52#define ARM_MPU_REGION_SIZE_512KB ((uint8_t)0x12U)
53#define ARM_MPU_REGION_SIZE_1MB ((uint8_t)0x13U)
54#define ARM_MPU_REGION_SIZE_2MB ((uint8_t)0x14U)
55#define ARM_MPU_REGION_SIZE_4MB ((uint8_t)0x15U)
56#define ARM_MPU_REGION_SIZE_8MB ((uint8_t)0x16U)
57#define ARM_MPU_REGION_SIZE_16MB ((uint8_t)0x17U)
58#define ARM_MPU_REGION_SIZE_32MB ((uint8_t)0x18U)
59#define ARM_MPU_REGION_SIZE_64MB ((uint8_t)0x19U)
60#define ARM_MPU_REGION_SIZE_128MB ((uint8_t)0x1aU)
61#define ARM_MPU_REGION_SIZE_256MB ((uint8_t)0x1bU)
62#define ARM_MPU_REGION_SIZE_512MB ((uint8_t)0x1cU)
63#define ARM_MPU_REGION_SIZE_1GB ((uint8_t)0x1dU)
64#define ARM_MPU_REGION_SIZE_2GB ((uint8_t)0x1eU)
65#define ARM_MPU_REGION_SIZE_4GB ((uint8_t)0x1fU)
66
67#endif