[coreboot] SB600 SPI hangs explained
peter at stuge.se
Thu May 14 04:21:21 CEST 2009
Carl-Daniel Hailfinger wrote:
> The docs are not yet public, so I don't know.
The question was for someone else who knows.
> > I guess you're using the SPI BAR value as part of the heuristic.
> Since accessing the SPI master is completely impossible if the SPI
> BAR is located at 0x0
Sure, but a valid BAR does not a flash chip present make.
> OTOH, even if no SPI chip is attached, probing will not hang as
> long as the BAR is not at 0x0.
Do you know what will actually happen in that case?
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