[coreboot] Coreboot on Tyan S2892

[Myles Watson]

On Wed, Nov 19, 2008 at 9:40 AM, Anose, Bijoy K (N-Aerotek) <
bijoy.k.anose at lmco.com> wrote:

> > From: Ward Vandewege [mailto:ward at gnu.org]
> > Sent: Thursday, November 13, 2008 6:56 PM
> > To: Anose, Bijoy K (N-Aerotek)
> > Cc: Myles Watson; Marc Jones; Coreboot
> > Subject: Re: [coreboot] Coreboot on Tyan S2892
> >
> > On Thu, Nov 13, 2008 at 07:04:49PM -0500, Anose, Bijoy K
> > (N-Aerotek) wrote:
> > > > So far it's just me seeing that, on one specific board
> > (s2891). So
> > > > don't worry about that too much just yet.
> > >
> > > True, I'll cross that bridge when I get there.
> > >
> > > First I'll need to be able to boot, period.  So far, what
> > I've done is
> > > this:
> > >
> > > 1.  Subversion checkout of latest buildrom 2.  make menuconfig,
> > > specifying Tyan S2892, 32-bit LAB 3.  make
> > >
> > > Do I need to do further configuration (Config.lb etc)?  I
> > thought that
> > > the menuconfig took care of everything.  Maybe that was wishful
> > > thinking..
> >
> > It's not. The only other thing you need to do is *pre*pend
> > the vga image to the generated image, which will generate an
> > image that is exactly 1024KB large, and which you can flash,
> > and which *should* just boot your system.
> >
>
> I finally got coreboot+LAB to boot my target kernel/initrd on the SATA
> disks (many thanks to Ward)!
>
> However, once the init script in the initrd attempts to assembly the
> software
> RAID, it fails because it can't see the SATA disks.

How many do you have?  Ward has seen a problem with some disk controllers
not functioning on the ck804.  I've never used more than one.


> My guess is that coreboot is originally doing some low level block reads
> from
> the disk to load the kernel/initrd but when the final kernel attempts to
> do a
> SATA read from the disk, the controller has not been fully/properly
> initialized,
> and it fails.


Have you tried configure the busybox shell to not load automatically, and
looked at the SATA drives from there?

I assume that whatever modifications that Myles made to successfully
> boot from
> SATA devices with coreboot+LAB on S2892 have trickled down to buildrom..

I used buildrom.  I think the multiple drives may be getting you, though.

Thanks,
Myles
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