[LinuxBIOS] SPD as debug channel
Segher Boessenkool
segher at kernel.crashing.org
Fri Dec 1 23:15:16 CET 2006
> I am missing something here. If we have enough of PCI up to do
> SPD->USB, I would bet that we have enough of it up to do USB debug? or
> not?
Many systems don't require any PCI to access their I2C controllers.
> LPC is going away on many boards, I understand. I think that we are
> going into a world where we have to figure out usb debug port. I don't
> think that the PCI initial setup for USB debug is going to be
> impossible
It is possible, sure -- *per board*. Anything generic would
require a huge amount of code (and data). Not suitable for
early boot.
> All the
> boards I have used lately have a very straightforward path to USB,
> that could be set up in the ROMCC or CAR code.
Yeah. So someone do it please, let's get some hands-on experience
with this stuff :-)
Segher
More information about the coreboot
mailing list