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84479569de
This demonstrates how to use external QSPI flash in XIP (execute in place) mode. The default configuration has all extmod/ code placed into external QSPI flash, but other code can easily be put there by modifying the custom f769_qspi.ld script.
21 lines
514 B
C
21 lines
514 B
C
#include "drivers/memory/spiflash.h"
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#include "qspi.h"
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// This configuration is needed for mboot to be able to write to the external QSPI flash
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const mp_spiflash_config_t spiflash_config = {
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.bus_kind = MP_SPIFLASH_BUS_QSPI,
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.bus.u_qspi.data = NULL,
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.bus.u_qspi.proto = &qspi_proto,
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.cache = NULL,
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};
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mp_spiflash_t spiflash_instance;
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// This init function is needed to memory map the QSPI flash early in the boot process
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void board_early_init(void) {
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qspi_init();
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qspi_memory_map();
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}
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