David Fiddes's website,
you can download a lot of Motorola Coldfire processor stuff, including
cross-compilers, and Fiddes's and Berteig's Coldfire ports of uC/OS. Update:
Alas! this website is now defunct, David having packed up his toys and
gone home after receiving one too many unappreciative comments.
I'll keep the link in case it comes back some day ...
www.freeio.org, the home of
open hardware designs, including a free Motorola Coldfire reference