Another place to look for Mips boot support is AMD with the Au series (formerly Alchemy) http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/Au1000BootRom_rev1.2.pdf http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2496_7112,00.html Bari