[coreboot] via vt82c686 southbridge

Stefan Reinauer stepan at coresystems.de
Thu Sep 4 23:41:32 CEST 2008

Daniel Lindenaar wrote: 
> hmmm it's working partly, it seems. First i did something wrong that
> skrewed up the com port setup, which I fixed. I now get the debug
> messages I added via the serial line, but, strangely, only when i do a
> (warm) reboot from a running linux, not with a cold boot... 
This sounds an awful lot like superio init, or some GPIO issue.

Are you initializing your superio correctly? Does your board use the
82c686 superio? Or does it have an extra superio?
(Check with superiotool)

> probably something needs to be set that doesn't get set by default on
> cold reboot.
> Anyway, it's the SMBus controller where things go wrong; the log says:
> SMBUS controller not found 
What device are you looking for at that point?

On the vt82c686 the smbus device has vendor 0x1106 and device 0x3057

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