From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id C8FA9DDDF8 for ; Mon, 28 May 2007 19:22:09 +1000 (EST) Subject: Re: Porting "prep" from ppc to powerpc. From: Benjamin Herrenschmidt To: Gabriel Paubert In-Reply-To: <20070528084652.GA7686@iram.es> References: <200705252238.39819.rob@landley.net> <20070528075507.GA6633@iram.es> <1180340614.19517.68.camel@localhost.localdomain> <20070528084652.GA7686@iram.es> Content-Type: text/plain Date: Mon, 28 May 2007 19:22:00 +1000 Message-Id: <1180344121.19517.70.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, Rob Landley List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2007-05-28 at 10:46 +0200, Gabriel Paubert wrote: > On Mon, May 28, 2007 at 06:23:34PM +1000, Benjamin Herrenschmidt wrote: > > On Mon, 2007-05-28 at 09:55 +0200, Gabriel Paubert wrote: > > > I was thinking of writing a bootwrapper that would > > > convert residual data to flat device tree. There > > > is a lot of valuable information in the residual data, > > > like the interrupt routing (which is correct if you > > > can read the spec, which is not what the code in > > > arch/ppc did). > > > > We were wondering the other day how reliable the residual data are... > > > > On the boards I use, they are very good. And there is some information > (memory size, tb and cpu freq, etc...) that I'd rather take from the > residual data than trying to guess. > > > David Gibson's been toying with that too already, you should sync with > > him. > > I've not yet started to write anything (finishing a hardware project). Ok, well, anyway, that's good to know that they are good. Ben.