Build firmware with SPI support - SundanceMultiprocessorTechnology/VCS-1 GitHub Wiki
SPI support
Recompile the kernel (Petalinux) with the following options on:
Device Drivers -> SPI support -> User mode SPI device driver support
Device Drivers -> SPI support -> [*]SPI slave protocol handlers
Device Drivers -> SPI support -> <*> SPI slave handler reporting boot up time
Device Drivers -> SPI support -> <*> SPI slave handler controlling system state