circuitpython/ports/mimxrt/hal/flexspi_hyper_flash.h
robert-hh 5ca56aaf16 mimxrt: Tidy up the board flash related files.
- Move the qspi_xxxx_flash_config.c files to hal.
  It turned out that they are less board than flash type specific.
- Change to a common flexspi_flash_config.h header file.
2021-12-14 20:31:20 +01:00

63 lines
2.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* 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_HAL_FLEXSPI_HYPER_FLASH_H
#define MICROPY_INCLUDED_MIMXRT_HAL_FLEXSPI_HYPER_FLASH_H
#include "fsl_flexspi.h"
#include "mpconfigboard.h"
#include "flexspi_flash_config.h"
// Defined in boards flash_config.c
extern flexspi_nor_config_t qspiflash_config;
status_t flexspi_nor_hyperflash_cfi(FLEXSPI_Type *base);
void flexspi_nor_update_lut(void);
status_t flexspi_nor_flash_erase_sector(FLEXSPI_Type *base, uint32_t address);
status_t flexspi_nor_flash_page_program(FLEXSPI_Type *base, uint32_t address, const uint32_t *src, uint32_t size);
static inline uint32_t flexspi_get_frequency(void) {
uint32_t div;
uint32_t fre;
/* Clock divider:
000 divided by 1
001 divided by 2
010 divided by 3
011 divided by 4
100 divided by 5
101 divided by 6
110 divided by 7
111 divided by 8
*/
div = CLOCK_GetDiv(kCLOCK_FlexspiDiv);
/* Get frequency */
fre = CLOCK_GetFreq(kCLOCK_Usb1PllPfd0Clk) / (div + 0x01U);
return fre;
}
#endif // MICROPY_INCLUDED_MIMXRT_HAL_FLEXSPI_HYPER_FLASH_H