From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:58046) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S4DYv-0007UW-45 for qemu-devel@nongnu.org; Sun, 04 Mar 2012 10:41:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S4DYt-0005My-EE for qemu-devel@nongnu.org; Sun, 04 Mar 2012 10:41:28 -0500 Received: from mx1.redhat.com ([209.132.183.28]:11260) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S4DYt-0005Mp-6L for qemu-devel@nongnu.org; Sun, 04 Mar 2012 10:41:27 -0500 Date: Sun, 4 Mar 2012 17:41:27 +0200 From: "Michael S. Tsirkin" Message-ID: <20120304154126.GA13896@redhat.com> References: <20120304094614.GA8158@redhat.com> <20120304122100.GA11207@redhat.com> <20120304132805.GC12047@redhat.com> <20120304142333.GA12900@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [PATCH] pci: fix bridge IO/BASE List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Blue Swirl Cc: Mark Cave-Ayland , qemu-devel@nongnu.org, Anthony Liguori On Sun, Mar 04, 2012 at 02:35:28PM +0000, Blue Swirl wrote: > Yes, it's the host bridge, also known as PBM. It's documented in > UltraSPARC IIi User's Manual and there it says that the device is > found in the configuration space. So it seems I can make things work if I disable is_bridge and make some bits in BAR4 writeable: pci_set_long(d->wmask + 0x20, 0xffff0000); I don't yet know why, and the manual says there should be no BARs. > The secondary bridges are Simbas and should be called APBs. > > > > > > > -- > > MST