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