From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e35.co.us.ibm.com (e35.co.us.ibm.com [32.97.110.153]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e35.co.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id D79EBDDECC for ; Thu, 15 Feb 2007 03:06:10 +1100 (EST) Received: from westrelay02.boulder.ibm.com (westrelay02.boulder.ibm.com [9.17.195.11]) by e35.co.us.ibm.com (8.13.8/8.13.8) with ESMTP id l1EG66WP005272 for ; Wed, 14 Feb 2007 11:06:06 -0500 Received: from d03av04.boulder.ibm.com (d03av04.boulder.ibm.com [9.17.195.170]) by westrelay02.boulder.ibm.com (8.13.8/8.13.8/NCO v8.2) with ESMTP id l1EG66se451532 for ; Wed, 14 Feb 2007 09:06:06 -0700 Received: from d03av04.boulder.ibm.com (loopback [127.0.0.1]) by d03av04.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l1EG65fk022426 for ; Wed, 14 Feb 2007 09:06:05 -0700 Subject: Re: [0/16] Preliminary Ebony (440GP) support for arch/powerpc From: Josh Boyer To: David Gibson In-Reply-To: <1171381565.4003.48.camel@zod.rchland.ibm.com> References: <20070213060904.GA6214@localhost.localdomain> <1171381565.4003.48.camel@zod.rchland.ibm.com> Content-Type: text/plain Date: Wed, 14 Feb 2007 10:06:23 -0600 Message-Id: <1171469183.4003.96.camel@zod.rchland.ibm.com> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 2007-02-13 at 09:46 -0600, Josh Boyer wrote: > On Tue, 2007-02-13 at 17:09 +1100, David Gibson wrote: > > Here is a preliminary set of patches implementing support for the > > 440GP based Ebony evaluation board in arch/powerpc. A number of the > > earlier patches are in Paul's queue already, so may appear in > > powerpc.git at any point. Most of the later ones need at least some > > cleanup or reworking before they'll be ready for merging. > > > > With these patches I can boot to a shell prompt on initrd on my Ebony > > board. There are still a bunch of problems: clock timings are way out > > (runs about 4* fast), things freeze up when I attempt to use an > > nfsroot, many devices aren't supported. A lot of things are hardcoded > > in the device tree, so you may well have to tweak it if your Ebony is > > different from mine. > > I've noticed a couple issues so far on my board, which should just be a > stock Ebony. > > 1) Things are off when just using the zImage.ebony image. For reasons > I've yet to narrow down, the bootwrapper thinks something passed an > initrd to it via the a2 parameter in prep_kernel even though there is no > initrd. I get output like: I still have this issue, just haven't had a chance to figure out why yet. Likely because the openbios code is leaving garbage somewhere. > 2) I get no boot output after the "Finalizing device tree..." step. I > don't have a BDI or RW at the moment, but I'll try and figure out where > it's at and what it's doing. After turning on the early debug stuff (once I got it to compile) I get output of the kernel boot. Without that enabled however, I get no kernel boot messages. josh