mirror of
https://github.com/licsber/micropython.git
synced 2024-09-20 17:10:24 +08:00
a3f3b9045c
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>
77 lines
2.8 KiB
C
77 lines
2.8 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 "mpconfigboard.h"
|
|
#include "flexspi_flash_config.h"
|
|
#include "fsl_flexspi.h"
|
|
// #include BOARD_FLASH_CONFIG_HEADER_H
|
|
|
|
#if defined MICROPY_HW_FLASH_INTERNAL
|
|
#define BOARD_FLEX_SPI FLEXSPI2
|
|
#define BOARD_FLEX_SPI_ADDR_BASE FlexSPI2_AMBA_BASE
|
|
#elif defined MIMXRT117x_SERIES
|
|
#define BOARD_FLEX_SPI FLEXSPI1
|
|
#define BOARD_FLEX_SPI_ADDR_BASE FlexSPI1_AMBA_BASE
|
|
#else
|
|
#define BOARD_FLEX_SPI FLEXSPI
|
|
#define BOARD_FLEX_SPI_ADDR_BASE FlexSPI_AMBA_BASE
|
|
#endif
|
|
|
|
// Defined in boards flash_config.c
|
|
extern flexspi_nor_config_t qspiflash_config;
|
|
|
|
status_t flexspi_nor_hyperflash_cfi(FLEXSPI_Type *base);
|
|
void flexspi_hyper_flash_init(void);
|
|
void flexspi_nor_update_lut(void);
|
|
status_t flexspi_nor_flash_erase_sector(FLEXSPI_Type *base, uint32_t address);
|
|
status_t flexspi_nor_flash_erase_block(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
|