CONFIG_STDOUT_CONSOLE=y CONFIG_SYS_LOG=y CONFIG_SYS_LOG_DEFAULT_LEVEL=1 CONFIG_ARC_INIT=n CONFIG_GPIO=y #USB related configs CONFIG_USB=y CONFIG_USB_DEVICE_STACK=y CONFIG_USB_DEVICE_PRODUCT="Zephyr MSC sample" CONFIG_SYS_LOG_USB_DRIVER_LEVEL=1 CONFIG_USB_MASS_STORAGE=y CONFIG_SYS_LOG_USB_DEVICE_LEVEL=1 CONFIG_SYS_LOG_USB_MASS_STORAGE_LEVEL=1 # If the target's code needs to do file operations, enable target's # FAT FS code. (Without this only the host can access the fs contents) #CONFIG_FILE_SYSTEM=y #SPI flash related configs CONFIG_DISK_ACCESS_FLASH=y CONFIG_MASS_STORAGE_DISK_NAME="NAND" CONFIG_SPI=y #Want RAM DISK instead ? comment the whole flash block and uncomment #CONFIG_DISK_ACCESS_RAM=y #CONFIG_MASS_STORAGE_DISK_NAME="RAM"