CONFIG_STDOUT_CONSOLE=y CONFIG_SYS_LOG=y CONFIG_GPIO=y CONFIG_ARC_INIT=n CONFIG_USB=y CONFIG_USB_DEVICE_STACK=y CONFIG_SYS_LOG_USB_DRIVER_LEVEL=1 CONFIG_USB_CDC_ACM=y CONFIG_SYS_LOG_USB_LEVEL=1 CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y CONFIG_UART_LINE_CTRL=y CONFIG_USB_COMPOSITE_DEVICE=n CONFIG_USB_MASS_STORAGE=n CONFIG_SYS_LOG_USB_MASS_STORAGE_LEVEL=1 #RAM DISK CONFIG_DISK_ACCESS_RAM=n