diff options
author | Nick Brassel <nick@tzarc.org> | 2022-07-02 15:18:50 +1000 |
---|---|---|
committer | GitHub <noreply@github.com> | 2022-07-02 15:18:50 +1000 |
commit | 5846b40f7444af96b0d8ddf3af9b558193c2475d (patch) | |
tree | 7bec13529ef3654ed290e68617eb1c659c05a49d /platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h | |
parent | 9f1c4f304d0597b7024d079eb358bb0c71be3ce8 (diff) |
RP2040 emulated EEPROM. (#17519)
Diffstat (limited to 'platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h')
-rw-r--r-- | platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h b/platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h new file mode 100644 index 0000000000..93a9aa0372 --- /dev/null +++ b/platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h @@ -0,0 +1,32 @@ +// Copyright 2022 Nick Brassel (@tzarc) +// SPDX-License-Identifier: GPL-2.0-or-later +#pragma once + +#ifndef __ASSEMBLER__ +# include "hardware/flash.h" +#endif + +// 2-byte writes +#ifndef BACKING_STORE_WRITE_SIZE +# define BACKING_STORE_WRITE_SIZE 2 +#endif + +// 64kB backing space allocated +#ifndef WEAR_LEVELING_BACKING_SIZE +# define WEAR_LEVELING_BACKING_SIZE 8192 +#endif // WEAR_LEVELING_BACKING_SIZE + +// 32kB logical EEPROM +#ifndef WEAR_LEVELING_LOGICAL_SIZE +# define WEAR_LEVELING_LOGICAL_SIZE 4096 +#endif // WEAR_LEVELING_LOGICAL_SIZE + +// Define how much flash space we have (defaults to lib/pico-sdk/src/boards/include/boards/***) +#ifndef WEAR_LEVELING_RP2040_FLASH_SIZE +# define WEAR_LEVELING_RP2040_FLASH_SIZE (PICO_FLASH_SIZE_BYTES) +#endif + +// Define the location of emulated EEPROM +#ifndef WEAR_LEVELING_RP2040_FLASH_BASE +# define WEAR_LEVELING_RP2040_FLASH_BASE ((WEAR_LEVELING_RP2040_FLASH_SIZE) - (WEAR_LEVELING_BACKING_SIZE)) +#endif |