I have an Overo-based project where I'd like to use some of the Display Data (DD0 .. DD23) pins as GPIO lines.  In my application, there is no need for a display, so these pins would otherwise remain unused. 

Assuming I modify the default u-boot pin muxing, remove display driver support from the kernel, and use level-shifters for the I/O signals, are there any other obstacles in using these pins?  Has anyone else done this? 

Best Regards,

Dave Billin

Graduate Research Assistant --MS Computer Engineering
University of Idaho
Moscow, Idaho 83844

e-mail: david.billin@vandals.uidaho.edu