[coreboot] USB debug cables and emulation

Stefan Reinauer stepan at coresystems.de
Fri Jul 4 01:21:19 CEST 2008

Joseph Smith wrote:
> Also I really want to learn USB for coreboot payload purposes. Did anyone
> realize with all these different payloads we have none of them support USB
> completely?? Filo is the only one that supports OHCI but that is it. I want
> to learn about USB so I can get some USB support for legacy USB devices
> (keyboards/mouse) as well as support for booting USB drives. This non-USB
> situation is and always has been disturbing to me :-0
> In a certain way it puts coreboot behind the times... 

We're pretty far with the UHCI stack in GRUB2. If you are looking for a 
USB project to jump on, we can certainly use help ;-)

Initial keyboard support is there. MSC support is there, UHCI is there.

Missing: Fixes, Testing, OHCI, EHCI, Fixes, Fixes, Testing...

Maybe we can pack it into libpayload instead of GRUB2 too, so we can 
make it available to more payloads?

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