From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 04 Mar 2008 00:27:14 +0000 (GMT) Received: from smtp1.dnsmadeeasy.com ([205.234.170.144]:23186 "EHLO smtp1.dnsmadeeasy.com") by ftp.linux-mips.org with ESMTP id S28601225AbYCDA1M (ORCPT ); Tue, 4 Mar 2008 00:27:12 +0000 Received: from smtp1.dnsmadeeasy.com (localhost [127.0.0.1]) by smtp1.dnsmadeeasy.com (Postfix) with ESMTP id B6D4031569E; Tue, 4 Mar 2008 00:27:17 +0000 (UTC) X-Authenticated-Name: js.dnsmadeeasy X-Transit-System: In case of SPAM please contact abuse@dnsmadeeasy.com Received: from avtrex.com (unknown [67.116.42.147]) by smtp1.dnsmadeeasy.com (Postfix) with ESMTP; Tue, 4 Mar 2008 00:27:17 +0000 (UTC) Received: from dl2.hq2.avtrex.com ([192.168.7.26]) by avtrex.com with Microsoft SMTPSVC(6.0.3790.1830); Mon, 3 Mar 2008 16:26:57 -0800 Message-ID: <47CC974F.3090306@avtrex.com> Date: Mon, 03 Mar 2008 16:26:55 -0800 From: David Daney User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: James Zipperer Cc: linux-mips@linux-mips.org Subject: Re: smp8634 add memory at dram1 References: <2D30722FBBDE6749973243F4F01BE984A242CA@dotexchange.dotcorporation.com> In-Reply-To: <2D30722FBBDE6749973243F4F01BE984A242CA@dotexchange.dotcorporation.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 04 Mar 2008 00:26:57.0316 (UTC) FILETIME=[747BD640:01C87D8E] Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 18330 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ddaney@avtrex.com Precedence: bulk X-list: linux-mips James Zipperer wrote: > > > > I'm running out of memory in linux on the smp86xx and attempting to > implement this solution. Did you ever get it to work? No luck for me > yet. I'm still a bit unclear why you must switch linux to run off DRAM > 1 instead of leaving it on DRAM 0 and adding an additional call to > add_memory_region in prom_init for DRAM 1. But then again, I haven't > gotten that to work yet either :) > > > > Any info/patches are greatly appreciated. Thanks! > > > Typically DRAM 1 must be accessed through the TLB as its address lays outside of the 512MB window of KSEG[012]. The best way to make this memory available to Linux may still be up for debate. David Daney