| /* |
| * Copyright (c) 2017 Synopsys |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <soc.h> |
| #include <arch/arc/v2/mpu/arc_mpu.h> |
| #include <linker/linker-defs.h> |
| |
| #ifdef CONFIG_USERSPACE |
| static struct arc_mpu_region mpu_regions[] = { |
| #if CONFIG_ARC_MPU_VER == 3 && defined(CONFIG_APPLICATION_MEMORY) |
| /* Region ICCM */ |
| MPU_REGION_ENTRY("IMAGE ROM", |
| (u32_t) _image_rom_start, |
| (u32_t) _image_rom_end, |
| REGION_FLASH_ATTR), |
| MPU_REGION_ENTRY("APP MEMORY", |
| (u32_t) __app_ram_start, |
| (u32_t) __app_ram_size, |
| REGION_RAM_ATTR), |
| MPU_REGION_ENTRY("KERNEL MEMORY", |
| (u32_t) __kernel_ram_start, |
| (u32_t) __kernel_ram_size, |
| AUX_MPU_RDP_KW | AUX_MPU_RDP_KR), |
| |
| #else |
| #if CONFIG_ICCM_SIZE > 0 |
| /* Region ICCM */ |
| MPU_REGION_ENTRY("ICCM", |
| CONFIG_ICCM_BASE_ADDRESS, |
| CONFIG_ICCM_SIZE * 1024, |
| REGION_FLASH_ATTR), |
| #endif |
| #if CONFIG_DCCM_SIZE > 0 |
| /* Region DCCM */ |
| MPU_REGION_ENTRY("DCCM", |
| CONFIG_DCCM_BASE_ADDRESS, |
| CONFIG_DCCM_SIZE * 1024, |
| AUX_MPU_RDP_KW | AUX_MPU_RDP_KR), |
| #endif |
| #if CONFIG_SRAM_SIZE > 0 |
| /* Region DDR RAM */ |
| MPU_REGION_ENTRY("DDR RAM", |
| CONFIG_SRAM_BASE_ADDRESS, |
| CONFIG_SRAM_SIZE * 1024, |
| AUX_MPU_RDP_KW | AUX_MPU_RDP_KR | |
| AUX_MPU_RDP_KE | AUX_MPU_RDP_UE), |
| #endif |
| #endif /* ARC_MPU_VER == 3 */ |
| /* Region Peripheral */ |
| MPU_REGION_ENTRY("PERIPHERAL", |
| 0xF0000000, |
| 64 * 1024, |
| AUX_MPU_RDP_KW | AUX_MPU_RDP_KR), |
| }; |
| #else |
| static struct arc_mpu_region mpu_regions[] = { |
| #if CONFIG_ICCM_SIZE > 0 |
| /* Region ICCM */ |
| MPU_REGION_ENTRY("ICCM", |
| CONFIG_ICCM_BASE_ADDRESS, |
| CONFIG_ICCM_SIZE * 1024, |
| REGION_FLASH_ATTR), |
| #endif |
| #if CONFIG_DCCM_SIZE > 0 |
| /* Region DCCM */ |
| MPU_REGION_ENTRY("DCCM", |
| CONFIG_DCCM_BASE_ADDRESS, |
| CONFIG_DCCM_SIZE * 1024, |
| REGION_RAM_ATTR), |
| #endif |
| #if CONFIG_SRAM_SIZE > 0 |
| /* Region DDR RAM */ |
| MPU_REGION_ENTRY("DDR RAM", |
| CONFIG_SRAM_BASE_ADDRESS, |
| CONFIG_SRAM_SIZE * 1024, |
| REGION_ALL_ATTR), |
| #endif |
| /* Region Peripheral */ |
| MPU_REGION_ENTRY("PERIPHERAL", |
| 0xF0000000, |
| 64 * 1024, |
| REGION_IO_ATTR), |
| }; |
| #endif |
| |
| struct arc_mpu_config mpu_config = { |
| .num_regions = ARRAY_SIZE(mpu_regions), |
| .mpu_regions = mpu_regions, |
| }; |