CONFIG_ARM_ARCH_TIMER=y CONFIG_TIMER_READS_ITS_FREQUENCY_AT_RUNTIME=y CONFIG_QEMU_ICOUNT=n CONFIG_ARMV8_A_NS=y # Cache management CONFIG_CACHE_MANAGEMENT=y # Enable UART driver CONFIG_SERIAL=y # Enable console CONFIG_CONSOLE=y CONFIG_UART_CONSOLE=y # Enable serial port CONFIG_UART_INTERRUPT_DRIVEN=y