* Tyler Pohl tylerapohl@gmail.com [061209 23:00]:
What type of hardware and software would I need to step through LinuxBios code using the early usb debug?
usb debug is not in the LinuxBIOS tree. It's also only a replacement for a serial console.
On the Epia you dont need it, and you can't use it, since Epia does not have a USB debug port. Just use a serial connection instead and compile in the GDB extension by enabling CONFIG_GDB_STUB.