Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial

[Aurelien Jarno]

On Mon, Jan 12, 2009 at 10:59:11PM +0200, Blue Swirl wrote:
> On 1/12/09, Aurelien Jarno <address@hidden> wrote:
> > On Mon, Jan 12, 2009 at 09:40:49PM +0100, Aurelien Jarno wrote:
> >  > On Mon, Jan 12, 2009 at 10:32:43PM +0200, Blue Swirl wrote:
> >  > > On 1/12/09, Aurelien Jarno <address@hidden> wrote:
> >  > > > On Mon, Jan 12, 2009 at 05:40:24PM +0000, Blue Swirl wrote:
> >  > >
> >
> > > > Strange, at least Debian 3.1 R8 (CD and direct -kernel), Debian 4.0 R5
> >  > > (CD and direct -kernel), Debian 4.0 R6 and Gentoo 2008.0 act like
> >  > > before.
> >  >
> >  > I have the same problem with a CDROM, an hard disk, -kernel.
> >  >
> >  > > What kind of setup do you have? At least OpenBIOS config is not
> >  > > standard, you have enabled PCI debugging.
> >  >
> >  > I have built OpenBIOS by hand, native build. This is the unmodified SVN.
> >  >
> >
> >
> > The PCI debugging is enabled by default on the native build, and disable
> >  on the cross-build. Disabling the PCI code fixes (or workarounds?) the
> >  problem.
> 
> It looks like the address of the boot serial is bad, if I change it to
> 0x7f013000, PCI debug output works. Maybe something maps over the
> address at some point.

0x80013000 is in the middle of the PCI space, so you are hitting another
device, probably the VGA card. 0x7f013000 is unused but we have to limit
the memory to 2032MiB

-- 
  .''`.  Aurelien Jarno             | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
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