From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ik-out-1112.google.com (ik-out-1112.google.com [66.249.90.176]) by ozlabs.org (Postfix) with ESMTP id AE0F5DDE0A for ; Wed, 6 Aug 2008 22:22:38 +1000 (EST) Received: by ik-out-1112.google.com with SMTP id c21so3981105ika.1 for ; Wed, 06 Aug 2008 05:22:35 -0700 (PDT) Message-ID: <48999787.1060107@genesi-usa.com> Date: Wed, 06 Aug 2008 13:22:31 +0100 From: Matt Sealey MIME-Version: 1.0 To: Marco Stornelli Subject: Re: Quick question about dts References: <20080805.005649.1713918190.imp@bsdimp.com> <489802B3.805@coritel.it> In-Reply-To: <489802B3.805@coritel.it> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: Matt Sealey Cc: "M. Warner Losh" , linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Marco Stornelli wrote: > M. Warner Losh ha scritto: >> I have a .dts file that works with 2.6.18 (MV Pro 5.0). I encode it >> directly into the kernel image. However, when I try to use it with my >> 2.6.23, 2.6.24 or 2.6.25 kernel trees, it doesn't work at all. In the >> MV Pro 5.0 kernel, I hacked the startup sequence to store a pointer to >> this blob in r3 so that it is moved in. I've done something similar >> in -current (for reasons that are too complicated to really explain >> well, we can't do this via the normal boot loader mechanisms). The >> dtc complains that the interrupt-controller property is obsolete on >> the chosen device. >> >> Does any documentation exist for how dts has evolved? I'd like to >> forward port what I have without examining the .dts files from both >> versions and guessing... >> > > Check out the kernel documentation booting-without-of.txt of your version. Better yet, go get the ePAPR specification from Power.org? It's easier to read :) -- Matt Sealey Genesi, Manager, Developer Relations