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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Date: Wed, 14 Sep 2011 22:24:43 -0300
Message-ID: <1316049883.455.178.camel@pasglop>
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Subject: Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty
 logging in chain 4 memory access mode
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To: Alexander Graf <agraf@suse.de>
Cc: Anthony Liguori <aliguori@us.ibm.com>, Gerd Hoffmann <kraxel@redhat.com>, Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel Developers <qemu-devel@nongnu.org>, Blue Swirl <blauwirbel@gmail.com>, Andreas =?ISO-8859-1?Q?F=E4rber?= <andreas.faerber@web.de>, Avi Kivity <avi@redhat.com>, Richard Henderson <rth@twiddle.net>

On Wed, 2011-09-14 at 23:41 +0200, Alexander Graf wrote:
> On 14.09.2011, at 22:42, Richard Henderson wrote:
> 
> > On 09/14/2011 01:35 PM, Alexander Graf wrote:
> > 
> >>> Can you explain what the memory map looks like from the hardware
> point of view?
> >> 
> >> If you can tell me where to find out :). I seriously have zero
> experience in VGA mapping - and it sounds as if Blue has a pretty good
> idea what's going on.
> > 
> > He's not interested in the VGA bits, but in the PPC board bits.
> > How are addresses forwarded from the main system bus to the
> > PCI host bridge, for instance?
> 
> Yeah, and what I'm trying to tell you is that I know about as much
> about the g3 beige as you do. However, Ben might now a bit more here.
> Let's ask him :).

Can I have a bit of context please ? :-)

Cheers,
Ben.