1 /* 2 * Copyright 2022 NXP 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #include <zephyr/linker/linker-defs.h> 8 #include <zephyr/arch/arm/mpu/arm_mpu.h> 9 10 #define DEVICE_REGION_START 0x40000000UL 11 #define DEVICE_REGION_END 0x76FFFFFFUL 12 13 static const struct arm_mpu_region mpu_regions[] = { 14 MPU_REGION_ENTRY("vector", 15 (uintptr_t)_vector_start, 16 REGION_RAM_TEXT_ATTR((uintptr_t)_vector_end)), 17 18 MPU_REGION_ENTRY("SRAM_TEXT", 19 (uintptr_t)__text_region_start, 20 REGION_RAM_TEXT_ATTR((uintptr_t)__rodata_region_start)), 21 22 MPU_REGION_ENTRY("SRAM_RODATA", 23 (uintptr_t)__rodata_region_start, 24 REGION_RAM_RO_ATTR((uintptr_t)__rodata_region_end)), 25 26 MPU_REGION_ENTRY("SRAM_DATA", 27 (uintptr_t)__rom_region_end, 28 REGION_RAM_ATTR((uintptr_t)__kernel_ram_end)), 29 30 MPU_REGION_ENTRY("DEVICE", 31 DEVICE_REGION_START, 32 REGION_DEVICE_ATTR(DEVICE_REGION_END)), 33 }; 34 35 const struct arm_mpu_config mpu_config = { 36 .num_regions = ARRAY_SIZE(mpu_regions), 37 .mpu_regions = mpu_regions, 38 }; 39
