circuitpython/ports/stm32/boards/STM32F769DISC/board_init.c

#include "storage.h"
#include "qspi.h"

// This configuration is needed for mboot to be able to write to the external QSPI flash

#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
STATIC mp_spiflash_cache_t spi_bdev_cache;
#endif

const mp_spiflash_config_t spiflash_config = {
    .bus_kind = MP_SPIFLASH_BUS_QSPI,
    .bus.u_qspi.data = NULL,
    .bus.u_qspi.proto = &qspi_proto,
    #if MICROPY_HW_SPIFLASH_ENABLE_CACHE
    .cache = &spi_bdev_cache,
    #endif
};

spi_bdev_t spi_bdev;

// This init function is needed to memory map the QSPI flash early in the boot process

void board_early_init(void) {
    qspi_init();
    qspi_memory_map();
}