[LinuxBIOS] SPD as debug channel

[Stefan Reinauer]

* Segher Boessenkool <segher at kernel.crashing.org> [061201 23:21]:
> > If not, what IS easily accessible besides the boot ROM?
 
> In general?  Nothing, not necessarily the boot ROM even!
 
Right. The machine might be booting out of the air.

Or have some overlay in the southbridge (our s-word today), like the 
xbox does.

Besides that we will never see a port to a machine where ROM is not
accessible when the firmware starts. I bet.

;-)

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