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35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
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// Copyright 2022 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#ifndef __ASSEMBLER__
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# include <stdlib.h>
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# include <stdint.h>
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# include "flash_spi.h"
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#endif
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// Use 1 block -- check the config for the SPI flash to determine how big it is
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#ifndef WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_COUNT
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# define WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_COUNT 1
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#endif // WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_COUNT
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// Start at the first block of the external flash
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#ifndef WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_OFFSET
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# define WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_OFFSET 0
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#endif // WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_OFFSET
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// 8-byte writes by default
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#ifndef BACKING_STORE_WRITE_SIZE
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# define BACKING_STORE_WRITE_SIZE 8
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#endif
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// The space allocated by the block
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#ifndef WEAR_LEVELING_BACKING_SIZE
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# define WEAR_LEVELING_BACKING_SIZE ((EXTERNAL_FLASH_BLOCK_SIZE) * (WEAR_LEVELING_EXTERNAL_FLASH_BLOCK_COUNT))
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#endif // WEAR_LEVELING_BACKING_SIZE
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// Use half of the backing size for logical EEPROM
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#ifndef WEAR_LEVELING_LOGICAL_SIZE
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# define WEAR_LEVELING_LOGICAL_SIZE ((WEAR_LEVELING_BACKING_SIZE) / 2)
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#endif // WEAR_LEVELING_LOGICAL_SIZE
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