Ooblik released XBMC Controller for Playstation Portable.

Quote:

This is a controller for XBMC. Written in C and not crappy LUA like the others. It includes the basic controls and the ability to send messages to the XBOX.

This is an early version so it may be buggy.

http://forums.qj.net/psp-development-forum/148647-release-xbmc-controller-v1-0-a.html