From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from yx-out-2324.google.com (yx-out-2324.google.com [74.125.44.29]) by ozlabs.org (Postfix) with ESMTP id 084AFDDE0E for ; Thu, 23 Oct 2008 01:20:00 +1100 (EST) Received: by yx-out-2324.google.com with SMTP id 8so519774yxg.39 for ; Wed, 22 Oct 2008 07:19:58 -0700 (PDT) Message-ID: <48FF3685.5020504@genesi-usa.com> Date: Wed, 22 Oct 2008 09:19:49 -0500 From: Matt Sealey MIME-Version: 1.0 To: Kumar Gala Subject: Re: Extended Addressing Mode References: <48FEEB88.6050505@kontron.com> <83735324-C37B-4C57-A50F-FFF0D133E4E3@kernel.crashing.org> <48FF23C4.5030408@kontron.com> <88C8EDEB-C9A5-4876-AF7D-55CBABBE111D@kernel.crashing.org> <48FF2DDE.9060301@genesi-usa.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: Matt Sealey Cc: linuxppc-dev@ozlabs.org, =?ISO-8859-1?Q?R=E9gis_Odey=E9?= List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Kumar Gala wrote: > > On Oct 22, 2008, at 8:42 AM, Matt Sealey wrote: >> So to confirm, XAEN support through Becky's patches does support the >> MPC8641D/e600 cores? > > Yes, its the only part that has XAEN. Okay I saw a lot of e500/BookE support go past but nothing specific :) >> NOT supported because of the way the LAWs work, and also the alignment >> of the LAWs means it is not fine enough granularity to map between 2GB >> and 4GB into a window (you can have 2GB or 4GB but not some more >> arbitrary value?) > > You can overlap LAWs because they have priority encoding. The lower the > LAW # the higher the priority. Hmm :) > Your bigger issue is if you can setup the DDR controller for the hole > you want. Hmmmmm :) Okay good to know. I'll go back to reading the docs. -- Matt Sealey Genesi, Manager, Developer Relations