circuitpython/ports/mimxrt/flash.h
Philipp Ebensberger a3f3b9045c mimxrt/flash: Separate low level driver code from flash object.
Separate low level flash access from mimxrt flash driver object.  Allows
better abstraction from hardware for testing and reuse in other areas (e.g.
bootloader).

Signed-off-by: Philipp Ebensberger <philipp.ebensberger@3bricks-software.de>
2023-05-09 15:18:36 +10:00

59 lines
2.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2023 Philipp Ebensberger
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_MIMXRT_FLASH_H
#define MICROPY_INCLUDED_MIMXRT_FLASH_H
#include BOARD_FLASH_OPS_HEADER_H
#define SECTOR_SIZE_BYTES (qspiflash_config.sectorSize)
#define PAGE_SIZE_BYTES (qspiflash_config.pageSize)
#define BLOCK_SIZE_BYTES (qspiflash_config.blockSize)
#define SECTOR_SIZE_BYTES (qspiflash_config.sectorSize)
#define PAGE_SIZE_BYTES (qspiflash_config.pageSize)
#ifndef MICROPY_HW_FLASH_STORAGE_BYTES
#define MICROPY_HW_FLASH_STORAGE_BYTES (((uint32_t)&__vfs_end) - ((uint32_t)&__vfs_start))
#endif
#ifndef MICROPY_HW_FLASH_STORAGE_BASE
#define MICROPY_HW_FLASH_STORAGE_BASE (((uint32_t)&__vfs_start) - ((uint32_t)&__flash_start))
#endif
// Linker symbols
extern uint8_t __vfs_start;
extern uint8_t __vfs_end;
extern uint8_t __flash_start;
void flash_init(void);
status_t flash_erase_sector(uint32_t erase_addr);
status_t flash_erase_block(uint32_t erase_addr);
void flash_read_block(uint32_t src_addr, uint8_t *dest, uint32_t length);
status_t flash_write_block(uint32_t dest_addr, const uint8_t *src, uint32_t length);
#endif // MICROPY_INCLUDED_MIMXRT_FLASH_H