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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Arnd Bergmann writes: > I found a document that explains some of the more obscure details > of this chip (among a lot of the general concepts), in particular how > you can configure memory regions as either BE, LE-data-coherent or > LE-address-coherent, and the byte swap on PCI depending on that: There is also a problem with certain devices (certain old US Robotics access servers?) using IXP425 rev. A0. Those first chips don't have the LE data coherent mode. We (= the official Linux kernel) don't use LE data coherent mode at all, though I have had a patch (not very clean) which could do that. -- Krzysztof Halasa Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel