CONFIG_LOG=y CONFIG_MCUBOOT_LOG_LEVEL_INF=y # Enable UART console for MCUboot debug output CONFIG_UART_CONSOLE=y CONFIG_CONSOLE=y CONFIG_MCUBOOT_INDICATION_LED=y # Enable external SPI flash support CONFIG_SPI=y CONFIG_SPI_NOR=y CONFIG_SPI_NOR_SFDP_DEVICETREE=n CONFIG_FLASH=y CONFIG_FLASH_MAP=y CONFIG_GPIO=y # Add SPI NOR specific configurations - use 4KB page size (required by driver) CONFIG_SPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096 CONFIG_SPI_NOR_INIT_PRIORITY=80 # Set maximum image sectors manually since auto doesn't work with external flash CONFIG_BOOT_MAX_IMG_SECTORS_AUTO=n CONFIG_BOOT_MAX_IMG_SECTORS=80