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67 lines
2.7 KiB
C
67 lines
2.7 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#define PAGE_SIZE_BYTES (0x100)
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#define SECTOR_SIZE_BYTES (0x10000)
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#define SECTOR_ADDR_MASK (~(SECTOR_SIZE_BYTES - 1))
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#define SUBSECTOR_SIZE_BYTES (0x1000)
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#define SUBSECTOR_ADDR_MASK (~(SUBSECTOR_SIZE_BYTES - 1))
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// A bit of preprocessor magic to help with automatically calculating flash region addresses
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//////////////////////////////////////////////////////////////////////////////
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#define FLASH_REGION_DEF(MACRO, arg) \
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MACRO(FIRMWARE_SCRATCH, 0x200000 /* 2048k */, arg) \
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MACRO(SYSTEM_RESOURCES_BANK_0, 0x100000 /* 1024k */, arg) \
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MACRO(SYSTEM_RESOURCES_BANK_1, 0x100000 /* 1024k */, arg) \
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MACRO(SAFE_FIRMWARE, 0x080000 /* 512k */, arg) \
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MACRO(DEBUG_DB, 0x020000 /* 128k */, arg) \
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MACRO(MFG_INFO, 0x020000 /* 128k */, arg) \
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MACRO(FILESYSTEM, 0xB30000 /* 11456k */, arg) \
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MACRO(RSVD, 0x00F000 /* 60k */, arg) \
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MACRO(SHARED_PRF_STORAGE, 0x001000 /* 4k */, arg)
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#include "flash_region_def_helper.h"
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// Flash region _BEGIN and _END addresses
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//////////////////////////////////////////////////////////////////////////////
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#define FLASH_REGION_FIRMWARE_SCRATCH_BEGIN FLASH_REGION_START_ADDR(FIRMWARE_SCRATCH)
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#define FLASH_REGION_FIRMWARE_SCRATCH_END FLASH_REGION_END_ADDR(FIRMWARE_SCRATCH)
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#define FLASH_REGION_SAFE_FIRMWARE_BEGIN FLASH_REGION_START_ADDR(SAFE_FIRMWARE)
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#define FLASH_REGION_SAFE_FIRMWARE_END FLASH_REGION_END_ADDR(SAFE_FIRMWARE)
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#define FLASH_REGION_MFG_INFO_BEGIN FLASH_REGION_START_ADDR(MFG_INFO)
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#define FLASH_REGION_MFG_INFO_END FLASH_REGION_END_ADDR(MFG_INFO)
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#define BOARD_NOR_FLASH_SIZE FLASH_REGION_START_ADDR(_COUNT)
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// Static asserts to make sure everything worked out
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//////////////////////////////////////////////////////////////////////////////
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// make sure all the sizes are multiples of the subsector size (4k)
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FLASH_REGION_SIZE_CHECK(SUBSECTOR_SIZE_BYTES)
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// make sure the total size is what we expect (16MB for robert)
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_Static_assert(BOARD_NOR_FLASH_SIZE == 0x1000000, "Flash size should be 16MB");
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