From owner-freebsd-arm@FreeBSD.ORG Sun Mar 2 03:44:30 2014 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 3946FB79 for ; Sun, 2 Mar 2014 03:44:30 +0000 (UTC) Received: from mail-ob0-f180.google.com (mail-ob0-f180.google.com [209.85.214.180]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id F24931619 for ; Sun, 2 Mar 2014 03:44:29 +0000 (UTC) Received: by mail-ob0-f180.google.com with SMTP id vb8so5440696obc.25 for ; Sat, 01 Mar 2014 19:44:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=ZN0k+H+sUqKhZxpdu0Kd99h4++3zyzp8Wk7LlBgrkgA=; b=UWzyt6po6HWnvfKeJZBCsTPdjKk26VZhFJdfQGohLVr7gJldNRKBD1nTQ8/iHmgeht BSJcwG49tgiG9Wsf1gEDRhgP2Yu6vl00ZKWBUu+cpQKMQUBhjC3JItvK8ZeJvFHO4gtr 78oeKOdTVZA1QCCZkZtzEfHESTuheOrHVnJf9YmYpGAA/1C6axd+RiRx1CH43dDxhWnf UW77tjywt0HOT4iZ6uXPudEwJnZ4+YToHBJx+9pg7Yeu8BXMmJxYL8miQHxplvcxzamJ 6dFsro0+h2KzlENrif1vSDEZkxQ945O2BTg5rHkwjqSNauaE+YDbKdBeK0h9bspK0Q1z Vbmw== X-Gm-Message-State: ALoCoQnC5PPz2XeeYguK46Pqezd1dMC4X74h5NWgVB3GIhn0ylBM3WU4uPS9xEMXOhzthvl/gfd1 MIME-Version: 1.0 X-Received: by 10.182.66.164 with SMTP id g4mr339743obt.47.1393731867931; Sat, 01 Mar 2014 19:44:27 -0800 (PST) Received: by 10.182.104.169 with HTTP; Sat, 1 Mar 2014 19:44:27 -0800 (PST) In-Reply-To: <1393731762.1149.233.camel@revolution.hippie.lan> References: <1393594966.1149.161.camel@revolution.hippie.lan> <1393731762.1149.233.camel@revolution.hippie.lan> Date: Sat, 1 Mar 2014 20:44:27 -0700 Message-ID: Subject: Re: A unified imx6 kernel config, old WANDBOARD-* configs going away From: Tom Everett To: Ian Lepore Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: Tim Kientzle , freebsd-arm X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Mar 2014 03:44:30 -0000 I've got an image that loads the dtb from the FAT partition. However, it was mentioned that the dtb could be loaded from the UFS partition. Given that u-boot doesn't have UFS support, how would this work? On Sat, Mar 1, 2014 at 8:42 PM, Ian Lepore wrote: > On Sat, 2014-03-01 at 18:01 -0700, Tom Everett wrote: > > I'm looking at the crochet code, and I see in freebsd_install_fdt that > both > > *.dtb and *.dts are supported. However on the source tree it's imx6.dtsi. > > What's the difference b/t a dts file and a dtsi file? > > A .dtsi file is an include file used by .dts files. A .dtb is the > binary (compiled) form used by the kernel. > > So there are several wandboard-something.dts files, each of which > includes imx6.dtsi where all the common parts live. For a new imx6 > device, a new board-named file similar to one of the wandboard files is > necessary, and it would also include imx6.dtsi. > > We're pushing hard towards just using the standard dtb files from > vendors, but we've got a bit of work to do before we're there. > > -- Ian > > > -- A better world shall emerge based on faith and understanding - Douglas MacArthur