/* * Copyright (c) 2017 Synopsys * * SPDX-License-Identifier: Apache-2.0 */ #include #include #include #include /* * for secure firmware, MPU entries are only set up for secure world. * All regions not listed here are shared by secure world and normal world. */ static struct arc_mpu_region mpu_regions[] = { #if DT_ICCM_SIZE > 0 /* Region ICCM */ MPU_REGION_ENTRY("ICCM", DT_ICCM_BASE_ADDRESS, DT_ICCM_SIZE * 1024, REGION_ROM_ATTR), #endif #if DT_DCCM_SIZE > 0 /* Region DCCM */ MPU_REGION_ENTRY("DCCM", DT_DCCM_BASE_ADDRESS, DT_DCCM_SIZE * 1024, REGION_KERNEL_RAM_ATTR | REGION_DYNAMIC), #endif #if DT_INST_0_MMIO_SRAM_SIZE > 0 /* Region DDR RAM */ MPU_REGION_ENTRY("DDR RAM", DT_INST_0_MMIO_SRAM_BASE_ADDRESS, DT_INST_0_MMIO_SRAM_SIZE, AUX_MPU_ATTR_KW | AUX_MPU_ATTR_KR | AUX_MPU_ATTR_UR | AUX_MPU_ATTR_KE | AUX_MPU_ATTR_UE | REGION_DYNAMIC), #endif /* * Region peripheral is shared by secure world and normal world by default, * no need a static mpu entry. If some peripherals belong to secure world, * add it here. */ #ifndef CONFIG_ARC_SECURE_FIRMWARE /* Region Peripheral */ MPU_REGION_ENTRY("PERIPHERAL", 0xF0000000, 64 * 1024, REGION_KERNEL_RAM_ATTR) #endif }; struct arc_mpu_config mpu_config = { .num_regions = ARRAY_SIZE(mpu_regions), .mpu_regions = mpu_regions, };