From mboxrd@z Thu Jan 1 00:00:00 1970 From: David VomLehn Subject: Re: Flatten device tree & PPC linu Date: Thu, 14 Aug 2008 10:27:55 -0700 Message-ID: <48A46B1B.9010006@cisco.com> References: <1218656903.10489.50.camel@localhost.localdomain> <260388.87819.qm@web63408.mail.re1.yahoo.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; l=933; t=1218734882; x=1219598882; c=relaxed/simple; s=sjdkim2002; h=Content-Type:From:Subject:Content-Transfer-Encoding:MIME-Version; d=cisco.com; i=dvomlehn@cisco.com; z=From:=20David=20VomLehn=20 |Subject:=20Re=3A=20Flatten=20device=20tree=20&=20PPC=20lin u |Sender:=20; bh=b9IvXNU/1YOxJYjZhoUmvkg9Eo3b1By1NVW1a7s+uNY=; b=BxM88FtLRrnSpP/sbKWnLCo2hlKiIRyOvxW0bWI+O/jV5mtWxsYgUVB0Xs yN74aUKrhpcnc12sFhA0ObNq3pJ7RsNgmjxafyXruf+KLdSNuHyHMptqrAsK SNl04InSFc; Sender: linux-embedded-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Grant Likely Cc: fundu_1999@yahoo.com, linux-embedded@vger.kernel.org Grant Likely wrote: > On Wed, Aug 13, 2008 at 11:44 PM, Fundu wrote: >> i was reading this ... >> http://free-electrons.com/kerneldoc/latest/powerpc/booting-without-of.txt >> and was wondering if the kernel 2.4(yes 2.4) expects a flatten device tree ? > > No, 2.4 does not support flattened device trees. It is a 2.6 thing > for arch/powerpc. It came originally from the PowerPC world, but there is now Sparc implementation in the kernel tree. We're working on using device tree for MIPS and, according to a participant at the OLS Device Tree BOFS, someone in the ARM world is also working on an implementation. I don't know how much work it would be to backport to 2.4, but my guess is that it's pretty independent of the kernel version. There is now a device tree mailing list independent of PowerPC. You can find more info at https://ozlabs.org/mailman/listinfo/devicetree-discuss