From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mc.com (iris-63.mc.com [63.96.239.141]) by ozlabs.org (Postfix) with ESMTP id 719B1DDDE9 for ; Thu, 7 Jun 2007 22:00:46 +1000 (EST) From: Jean-Christophe Dubois To: Benjamin Herrenschmidt Subject: Re: [RFC/PATCH 4/4] Add support for MSI on Axon-based Cell systems Date: Thu, 7 Jun 2007 14:00:32 +0200 References: <200706071010.05172.jdubois@mc.com> <1181217341.14818.48.camel@localhost.localdomain> In-Reply-To: <1181217341.14818.48.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200706071400.32844.jdubois@mc.com> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thursday 07 June 2007 13:55:41 Benjamin Herrenschmidt wrote: > On Thu, 2007-06-07 at 10:10 +0200, Jean-Christophe Dubois wrote: > > The CAB (or other derived products) can be set in RC mode (via a jumper). > > In this case the MSI could be supported. > > Is there any plan to have CABs based on AXON DD >= 2.0 Sure, There are several at Mercury (based on Axon 2.1) and I have one. And I believe it will be based on Axon 3.0 when available. > I still think the right approach is to have the right properties set by > the firmware if the Axon version supports MSIs reliably. Do you see any > problem with this approach ? Once again SLOF firmware is out of my influence realm. I work with what IBM is delivering for CAB ... So if the firmware has some deficiencies I must make sure we can work around them. JC > Ben.