From owner-freebsd-arm@FreeBSD.ORG Sun Feb 10 07:18:12 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 94389715 for ; Sun, 10 Feb 2013 07:18:12 +0000 (UTC) (envelope-from tim@kientzle.com) Received: from monday.kientzle.com (99-115-135-74.uvs.sntcca.sbcglobal.net [99.115.135.74]) by mx1.freebsd.org (Postfix) with ESMTP id 5C3D5C2F for ; Sun, 10 Feb 2013 07:18:12 +0000 (UTC) Received: (from root@localhost) by monday.kientzle.com (8.14.4/8.14.4) id r1A7I3CW004541; Sun, 10 Feb 2013 07:18:03 GMT (envelope-from tim@kientzle.com) Received: from [192.168.2.143] (CiscoE3000 [192.168.1.65]) by kientzle.com with SMTP id bixjh57mp29r9u9gwgtwvk4uwi; Sun, 10 Feb 2013 07:18:03 +0000 (UTC) (envelope-from tim@kientzle.com) Subject: Re: building RaspPi Images Mime-Version: 1.0 (Apple Message framework v1283) Content-Type: text/plain; charset=us-ascii From: Tim Kientzle In-Reply-To: Date: Sat, 9 Feb 2013 23:18:03 -0800 Content-Transfer-Encoding: quoted-printable Message-Id: References: <5116CB50.9080303@ceetonetechnology.com> <7757848F-45C6-4DEF-A4A2-5F900EB10A06@kientzle.com> <20130210012052.4d7e1a46@ivory.local> <58DCA6BE-8C06-4F69-81A2-A3582FBB5B12@kientzle.com> To: Warner Losh X-Mailer: Apple Mail (2.1283) Cc: freebsd-arm@freebsd.org, Brett Wynkoop X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 10 Feb 2013 07:18:12 -0000 On Feb 9, 2013, at 11:07 PM, Warner Losh wrote: >> * For RPi, this already happens: the first-stage boot >> loads a DTB, ubldr uses "fdt addr" to access that DTB >> in a known location and then passes it to the kernel. >=20 > Doesn't the RPi's boot loader give our /boot/loader enough info to get = this without the fdt addr command? I haven't dug into this yet, but there's a mismatch somewhere between the RPi first-stage boot loader, U-Boot, and our ubldr. I briefly tried loading our kernel straight from the RPi first stage boot loader (dropping U-Boot and ubldr phases) but didn't get very far with it. Tim