Modify the Linux Kernel - ArrowElectronics/data-storm-daq GitHub Wiki

It is assumed that the reader has previously built the Linux Kernel for the GSRD and that the build environment has been sourced appropriately.

1. Edit /home/soceds/datastorm_daq/linux/arch/arm/configs/socfpga_tei0022_arrow_ghrd_defconfig

    $ gedit /home/soceds/datastorm_daq/linux/arch/arm/configs/socfpga_tei0022_arrow_ghrd_defconfig
   

2. Add the following line to add driver support for the AXI SPI ENGINE

   • CONFIG_SPI_AXI_SPI_ENGINE=y

3. Add the following line to add a driver to support the AD40xx series of precision converters

   • CONFIG_AD400X=y

4. Save /home/soceds/datastorm_daq/linux/arch/arm/configs/socfpga_tei0022_arrow_ghrd_defconfig

5. Set the defconfig

    $ cd ~/datastorm_daq/linux
   
    $ make socfpga_tei0022_arrow_ghrd_defconfig 
   

6. Build the kernel

    $ make zImage