1 /* 2 * Copyright (c) 2021 Arm Limited (or its affiliates). All rights reserved. 3 * SPDX-License-Identifier: Apache-2.0 4 */ 5 6 #include <sys/slist.h> 7 #include <linker/linker-defs.h> 8 #include <arch/arm64/cortex_r/mpu/arm_mpu.h> 9 10 11 #define DEVICE_REGION_START 0x80000000UL 12 #define DEVICE_REGION_END 0xFFFFFFFFUL 13 14 static const struct arm_mpu_region mpu_regions[] = { 15 /* Region 0 */ 16 MPU_REGION_ENTRY("FLASH_0", 17 CONFIG_FLASH_BASE_ADDRESS, 18 CONFIG_FLASH_BASE_ADDRESS + 19 KB(CONFIG_FLASH_SIZE), 20 REGION_FLASH_ATTR), 21 22 /* Region 1 zephyr text */ 23 MPU_REGION_ENTRY("SRAM_0", 24 (uintptr_t)__text_region_start, 25 (uintptr_t)__text_region_end, 26 REGION_RAM_TEXT_ATTR), 27 28 /* Region 2 zephyr rodata */ 29 MPU_REGION_ENTRY("SRAM_1", 30 (uintptr_t)__rodata_region_start, 31 (uintptr_t)__rodata_region_end, 32 REGION_RAM_RO_ATTR), 33 34 /* Region 3 zephyr data */ 35 MPU_REGION_ENTRY("SRAM_2", 36 (uintptr_t)__kernel_ram_start, 37 (uintptr_t)__kernel_ram_end, 38 REGION_RAM_ATTR), 39 40 /* Region 4 device region */ 41 MPU_REGION_ENTRY("DEVICE", 42 DEVICE_REGION_START, 43 DEVICE_REGION_END, 44 REGION_DEVICE_ATTR) 45 }; 46 47 const struct arm_mpu_config mpu_config = { 48 .num_regions = ARRAY_SIZE(mpu_regions), 49 .mpu_regions = mpu_regions, 50 }; 51
