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