From owner-freebsd-arm@FreeBSD.ORG  Wed Feb 20 16:50:09 2013
Return-Path: <owner-freebsd-arm@FreeBSD.ORG>
Delivered-To: freebsd-arm@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id C9AB5AE6
 for <freebsd-arm@freebsd.org>; Wed, 20 Feb 2013 16:50:09 +0000 (UTC)
 (envelope-from imp@bsdimp.com)
Received: from mail-ye0-f174.google.com (mail-ye0-f174.google.com
 [209.85.213.174]) by mx1.freebsd.org (Postfix) with ESMTP id 9050E175
 for <freebsd-arm@freebsd.org>; Wed, 20 Feb 2013 16:50:09 +0000 (UTC)
Received: by mail-ye0-f174.google.com with SMTP id m3so1485872yen.19
 for <freebsd-arm@freebsd.org>; Wed, 20 Feb 2013 08:50:03 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=google.com; s=20120113;
 h=x-received:sender:subject:mime-version:content-type:from
 :in-reply-to:date:cc:content-transfer-encoding:message-id:references
 :to:x-mailer:x-gm-message-state;
 bh=chBPYwBieneeNEtTG/UofUDGTpOANtarbD8bS0WfarY=;
 b=AemtgI1sL4ls8YVzHxNlYl3XE9OFmrx6HRivdxmRhHs+OKMox6u15b7p/FE7R1Qdit
 PnYttK0Y81ultEJF4Ge0268G4Jle4FpP8i+W8QygS4tZi/vcWe1RbTuBtTRtgk695xcj
 ox0CWiAgtoOCtbhIYj+4iZiqV33Jyn8/2HcUs+JUF6Z9+nv4CPSgfXks9LogKvKqLYMO
 V1ufD6HekDijNbXJY8WqS3DyaHYJFAM11PuRswjDYIKk5fGa8MQaa0IKB784ez6POd3Z
 Rtvu0zaAELxDp5G6LctnID2B/uB9tGiiSgB1NnIyo3BlhxbWAy2Cavz8V023uu1wMOkm
 Iomg==
X-Received: by 10.236.179.37 with SMTP id g25mr37315899yhm.47.1361379003403;
 Wed, 20 Feb 2013 08:50:03 -0800 (PST)
Received: from monkey-bot.int.fusionio.com ([209.117.142.2])
 by mx.google.com with ESMTPS id t8sm69947748anj.2.2013.02.20.08.50.01
 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
 Wed, 20 Feb 2013 08:50:02 -0800 (PST)
Sender: Warner Losh <wlosh@bsdimp.com>
Subject: Re: No more compiled-in FDTs?!
Mime-Version: 1.0 (Apple Message framework v1085)
Content-Type: text/plain; charset=us-ascii
From: Warner Losh <imp@bsdimp.com>
In-Reply-To: <726FA1B6-C3D7-479B-A6E0-78E8CC49144A@freebsd.org>
Date: Wed, 20 Feb 2013 09:49:59 -0700
Content-Transfer-Encoding: 7bit
Message-Id: <D7781B88-B8DB-4C63-AAAA-DE658126637E@bsdimp.com>
References: <726FA1B6-C3D7-479B-A6E0-78E8CC49144A@freebsd.org>
To: Tim Kientzle <kientzle@freebsd.org>
X-Mailer: Apple Mail (2.1085)
X-Gm-Message-State: ALoCoQnVvti6Al9DTjKd4T2VNXJjwNRxrDnZf5dBxG/pmmRvMfiV3awhT1dBlpe/Pbvr+uJGRvRo
Cc: freebsd-arm@freebsd.org
X-BeenThere: freebsd-arm@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Porting FreeBSD to the StrongARM Processor <freebsd-arm.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-arm>,
 <mailto:freebsd-arm-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arm>
List-Post: <mailto:freebsd-arm@freebsd.org>
List-Help: <mailto:freebsd-arm-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arm>,
 <mailto:freebsd-arm-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 20 Feb 2013 16:50:09 -0000


On Feb 20, 2013, at 9:44 AM, Tim Kientzle wrote:

> I've just committed changes so that BeagleBone images
> (built with my scripts) no longer use the compiled-in FDT.
> (This includes changes to FreeBSD ubldr, to U-Boot,
> and to my scripts.)
> 
> RaspberryPi has not been using the compiled-in FDT for
> some time now.
> 
> My goal is demonstrate booting a single kernel on
> multiple ARM boards, which necessarily precludes
> using a compiled-in FDT.
> 
> I plan to soon comment-out the compiled-in FDT from
> the kernel configurations in FreeBSD SVN for both
> BeagleBone and RaspberryPi.
> 
> For reference, you can load an FDT from U-Boot:
>  $ fatload mmc 0:1 <address> <filename.dtb>
>  $ fdt addr <address>
> 
> or from within ubldr:
>  $ load -t fdt <filename.dtb>
> 
> These commands can be easily automated.  In either
> case, ubldr should now find the FDT and correctly pass
> it to the kernel.

That's awesome.

Warner