Kernel Menu Configuration

Follow the steps below to enable the kernel configuration for UART.
  1. Under the root directory of freelight-u-sdk, type the following command to enter the kernel menu configuration GUI. 
    make linux-menuconfig
  2. Enter the Device Drivers menu.
    Figure 1. Device Drivers
  3. Enter the Character devices menu.
    Figure 2. Character Devices
  4. Enter the Serial drivers menu.
    Figure 3. Serial Drivers
  5. Select the Support for Synopsys Designware 8250 quirks option.
    Figure 4. Support for 8250
  6. Save your change before you exit the kernel configuration dialog.