diff options
Diffstat (limited to 'drivers/wear_leveling/wear_leveling_flash_spi_config.h')
| -rw-r--r-- | drivers/wear_leveling/wear_leveling_flash_spi_config.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/wear_leveling/wear_leveling_flash_spi_config.h b/drivers/wear_leveling/wear_leveling_flash_spi_config.h new file mode 100644 index 0000000000..394370daa3 --- /dev/null +++ b/drivers/wear_leveling/wear_leveling_flash_spi_config.h @@ -0,0 +1,34 @@ +// 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 |