From patchwork Sat Mar 3 11:32:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dirk Behme X-Patchwork-Id: 144417 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id A34A71007D3 for ; Sat, 3 Mar 2012 22:33:09 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 32E11280BC; Sat, 3 Mar 2012 12:33:08 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IXRkHYwZVx+s; Sat, 3 Mar 2012 12:33:07 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 3FC51280AD; Sat, 3 Mar 2012 12:33:06 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id C4448280AD for ; Sat, 3 Mar 2012 12:33:01 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OHaqawlO-JmP for ; Sat, 3 Mar 2012 12:33:01 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-bk0-f44.google.com (mail-bk0-f44.google.com [209.85.214.44]) by theia.denx.de (Postfix) with ESMTPS id 1388228099 for ; Sat, 3 Mar 2012 12:32:58 +0100 (CET) Received: by bkuw5 with SMTP id w5so2071178bku.3 for ; Sat, 03 Mar 2012 03:32:57 -0800 (PST) Received-SPF: pass (google.com: domain of dirk.behme@googlemail.com designates 10.204.150.86 as permitted sender) client-ip=10.204.150.86; Authentication-Results: mr.google.com; spf=pass (google.com: domain of dirk.behme@googlemail.com designates 10.204.150.86 as permitted sender) smtp.mail=dirk.behme@googlemail.com; dkim=pass header.i=dirk.behme@googlemail.com Received: from mr.google.com ([10.204.150.86]) by 10.204.150.86 with SMTP id x22mr7172719bkv.136.1330774377901 (num_hops = 1); Sat, 03 Mar 2012 03:32:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=bIG0iS6zYpz6nXi/V71zwLGzw77mRXrRwL8+JVSbelY=; b=yx7ug2SbnJu5gHATOny3jIqH5yl4QoVG13h+K8Txx0OkL6DaJhcO2Lj99kd9u+lR/g EM2pa0pjLNyugYoa6Tuwx6gLfFi0IJ5tkw28PoaZcp4q13FX7z4x/AhUEDtUPJQcKklL SNEhClZZCT9mMHehNIeJqUwElyEaXZkw1hWR3Zq6B8P6zat0p9X3XmcOPo4eCKPewn2v IinrndUAOP62KdYqKvzd8TWvJbK5ho0xhvhSZqVdZzPO+kDiy1MA8C3pRT5pquD8C3DV 6qOoUryGm9Jey6Pnu8pofnILEocs3L9bz97iQaa0M7pffNp/ljZi0HHo1yGN0jGWQ3wc A9sw== Received: by 10.204.150.86 with SMTP id x22mr5739785bkv.136.1330774377762; Sat, 03 Mar 2012 03:32:57 -0800 (PST) Received: from [192.168.178.32] (pD9F7D669.dip.t-dialin.net. [217.247.214.105]) by mx.google.com with ESMTPS id je3sm14216987bkb.15.2012.03.03.03.32.56 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 03 Mar 2012 03:32:56 -0800 (PST) Message-ID: <4F52015A.2080003@googlemail.com> Date: Sat, 03 Mar 2012 12:32:42 +0100 From: Dirk Behme User-Agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: Wolfgang Denk References: <1330728909-12203-1-git-send-email-eric.nelson@boundarydevices.com> <20120302232545.464F212A7F30@gemini.denx.de> <4F51BBA9.4090608@googlemail.com> <20120303093826.C3054126F3B0@gemini.denx.de> In-Reply-To: <20120303093826.C3054126F3B0@gemini.denx.de> Cc: u-boot@lists.denx.de Subject: Re: [U-Boot] i.MX6: mx6qsabrelite: allow use with Freescale 2.6.38 kernels X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Dear Wolfgang, On 03.03.2012 10:38, Wolfgang Denk wrote: > Dear Dirk, > > In message<4F51BBA9.4090608@googlemail.com> you wrote: >> >> Having Freescale working on these quite old and unclean U-Boot and >> Kernel versions is a pain. Kernel is an other topic, but with U-Boot, >> thanks to the very good work of everybody, we are in a good position >> to get rid of the old Freescale U-Boot, now. And get everybody to work >> with mainline and create patches against it. > > ACK. > >> So if it helps to apply some backward compatibility to make it easier >> for everybody, esp. Freescale, to switch to mainline U-Boot, I think >> we should try it. > > Agreed. If these patches were only for backward compatibility I would > not complain much. But they are known to introduce forward incompati- > bilities with all this MACH_ID stuff, and this is what I would like to > avoid. Now I'm just trying to learn something regarding [1]: Which changes would you accept in the category 'backward compatibility'? And which changes 'introduce forward incompatibilities', and what are these incompatibilities? Many thanks and best regards Dirk [1] http://lists.denx.de/pipermail/u-boot/2012-March/119207.html http://lists.denx.de/pipermail/u-boot/2012-March/119208.html (assuming this will be changed to ) --- a/include/configs/mx6qsabrelite.h +++ b/include/configs/mx6qsabrelite.h @@ -27,6 +27,7 @@ #define CONFIG_SYS_MX6_CLK32 32768 #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO +#define CONFIG_MACH_TYPE 3769 #include