HFI BIOS: from idea to K3 support

On the 2nd of July I made the first commit in a repository called fu740-bios . Its README opened with a single sentence that never changed, even after the project outgrew the board in its name: A RISC-V machine that powers on and greets you like a classic PC. Not a boot loader with a menu. A BIOS : the rainbow banner, the memory count, the hardware summary, and the immortal Press DEL to run Set-Up…