AFAIK, after DODES Project, most stable hardware, tool-chain, and kernel environment for SuperH are available at the site of Mr. Sugioka: http://sh2000.sh-linux.org/index.html I'd recommend it, based on its good relationship to upstream(s). Unfortunately for Debian people, the binaries distributed are RPM based. But you can use the source code at the site. Just FYI, --