I have this leopard board with a DM355 chip that is running on Linux Kernel 2.6.10 (Monta Vista Linux 4.0)
http://designsomething.org/leopardboard/uploads/LeopardBoard_Hardware_Guide_V1.1.pdf

I want to be able to run this board on uClinux or any other open source linux, all the drivers are here http://designsomething.org/Leopardboard/p/support.aspx

here is information regarding the DM355
http://focus.ti.com/docs/prod/folders/print/tms320dm355.html