From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e6.ny.us.ibm.com (e6.ny.us.ibm.com [32.97.182.146]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e6.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id BE3E9DDE22 for ; Thu, 10 Jul 2008 06:25:56 +1000 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id m69KSGEJ019829 for ; Wed, 9 Jul 2008 16:28:16 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v9.0) with ESMTP id m69KPgpA157468 for ; Wed, 9 Jul 2008 16:25:42 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m69KPfcU012350 for ; Wed, 9 Jul 2008 16:25:41 -0400 Date: Wed, 9 Jul 2008 16:22:19 -0400 From: Josh Boyer To: benh@kernel.crashing.org Subject: Re: [PATCH] powerpc: Fix problems with 32bit PPC's running with more than 2GB of RAM Message-ID: <20080709162219.4c07a67e@zod.rchland.ibm.com> In-Reply-To: <1215633758.8970.372.camel@pasglop> References: <1215611076-13518-1-git-send-email-sr@denx.de> <1215633758.8970.372.camel@pasglop> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org, Stefan Roese List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 10 Jul 2008 06:02:38 +1000 Benjamin Herrenschmidt wrote: > On Wed, 2008-07-09 at 15:44 +0200, Stefan Roese wrote: > > This patch enables 32bit PPC's (with 36bit physical address space, e.g. > > IBM/AMCC PPC44x) to run with more than 2GB of RAM. Mostly its just > > replacing types (unsigned long -> phys_addr_t). > > > > Tested on an AMCC Katmai with 4GB of DDR2. > > > > Signed-off-by: Stefan Roese > > But DMAs will break no ? How? josh