Altera’s tools for generating U-boot and Linux are a bit messy, outdated at best. For example, last time I checked their auto-generated U-boot dates back to 2014. Let’s try to build and run an up-to-date version of U-boot and Linux. U-boot build First, clone the repository. A variety of defconfigs exist for different boards. For example, building U-boot for the Altera’s Cyclone V development kit: This will result in a u-boot-with-spl.sfp file being created. flash The SoCFPGA boot ROM will…