From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 23 Mar 2007 18:40:54 +1100 From: David Gibson To: Stefan Roese Subject: Re: [PATCH 07/17] bootwrapper: Add dt_set_memory(), to fill in the /memory node. Message-ID: <20070323074054.GA15730@localhost.localdomain> References: <20070316172641.GA29709@ld0162-tx32.am.freescale.net> <7ce9c69ae76258f47790c5ceb851a355@kernel.crashing.org> <20070323032440.GD28006@localhost.localdomain> <200703230749.45563.sr@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <200703230749.45563.sr@denx.de> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Mar 23, 2007 at 07:49:45AM +0100, Stefan Roese wrote: > On Friday 23 March 2007 04:24, David Gibson wrote: > > On Thu, Mar 22, 2007 at 12:02:56PM +0100, Segher Boessenkool wrote: > > > >>> However, #address-cells=2, #size-cells=1 is common enough that we > > > >>> really need to support that case. > > > >> > > > >> On the root node?!? Who would do such a strange thing? > > > > > > > > Ebony, for one, it works nicely for a 32-bit system with >32-bit bus. > > > > > > It means you cannot have a 4GB-or-bigger region below your > > > root node. Dunno if Ebony ever needs one, for I/O mapping > > > perhaps? > > > > Nope. 0-4GB is RAM, 4-8 is in-built IO, 8-12 is PCI IO, and I forget > > what 12-16 is, if anything. > > The 440SPe supports up to 16GB of DDR2 (0-16GB). You might want to consider > supporting this sort of setup here. We already do. 440SPe will certainly need #a==#s==2, Ebony doesn't. -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson