74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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/*
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* Copyright (c) 2018 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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/* 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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/* 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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/* Region DDR RAM */
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MPU_REGION_ENTRY("SRAM",
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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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MPU_REGION_ENTRY("FLASH_0",
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CONFIG_FLASH_BASE_ADDRESS,
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CONFIG_FLASH_SIZE * 1024,
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AUX_MPU_RDP_KR |
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AUX_MPU_RDP_KE | AUX_MPU_RDP_UE),
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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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/* 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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/* 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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MPU_REGION_ENTRY("FLASH_0",
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CONFIG_FLASH_BASE_ADDRESS,
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CONFIG_FLASH_SIZE * 1024,
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REGION_FLASH_ATTR),
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/* Region DDR RAM */
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MPU_REGION_ENTRY("SRAM",
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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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/* 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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