menuconfig RT_SERIAL_8250
    bool "8250 Serial Family"
    default n

config RT_SERIAL_8250_DW
    bool "Synopsys DesignWare 8250"
    depends on RT_SERIAL_8250
    default n

config RT_SERIAL_8250_PCI
    bool "8250 PCI/2x/4x"
    depends on RT_SERIAL_8250
    depends on RT_USING_PCI
    default n