From: "Hervé Poussineau" <hpoussin@reactos.org>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: "Alexander Graf" <agraf@suse.de>,
qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH] PPC: fix PCI configuration space MemoryRegions for grackle/uninorth
Date: Fri, 11 Oct 2013 20:43:24 +0200 [thread overview]
Message-ID: <525846CC.10600@reactos.org> (raw)
In-Reply-To: <1381488828-22575-1-git-send-email-mark.cave-ayland@ilande.co.uk>
Mark Cave-Ayland a écrit :
> OpenBIOS prior to SVN r1225 had a horrible bug when accessing PCI
> configuration space for PPC Mac architectures - instead of writing the PCI
> configuration data value to the data register address, it would instead write
> it to the data register address plus the PCI configuration address.
>
> For this reason, the MemoryRegions for the PCI data register for
> grackle/uninorth were extremely large in order to accomodate the entire PCI
> configuration space being accessed during OpenBIOS PCI bus enumeration. Now
> that the OpenBIOS images have been updated, reduce the MemoryRegion sizes down
> to a single 32-bit register as intended.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> CC: Hervé Poussineau <hpoussin@reactos.org>
> CC: Andreas Färber <afaerber@suse.de>
> CC: Alexander Graf <agraf@suse.de>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
next prev parent reply other threads:[~2013-10-11 18:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 10:53 [Qemu-devel] [PATCH] PPC: fix PCI configuration space MemoryRegions for grackle/uninorth Mark Cave-Ayland
2013-10-11 18:43 ` Hervé Poussineau [this message]
2013-11-08 3:20 ` Alexander Graf
2013-11-08 22:18 ` Mark Cave-Ayland
2013-12-18 12:34 ` Alexander Graf
2013-12-18 21:04 ` Benjamin Herrenschmidt
2013-12-18 21:24 ` Alexander Graf
2013-12-18 22:04 ` Benjamin Herrenschmidt
2013-12-18 22:07 ` Alexander Graf
2013-12-18 22:10 ` [Qemu-devel] [Qemu-ppc] " Alexander Graf
2013-12-19 3:49 ` [Qemu-devel] " Benjamin Herrenschmidt
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