From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw01.freescale.net (az33egw01.freescale.net [192.88.158.102]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "az33egw01.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id F2ED3DE011 for ; Tue, 22 Jul 2008 07:15:13 +1000 (EST) Date: Mon, 21 Jul 2008 16:13:44 -0500 From: Scott Wood To: Jerry Van Baren Subject: Re: Mikrotik RouterBoard 333 Message-ID: <20080721211344.GA13268@loki.buserror.net> References: <20080708042631.GB7328@yookeroo.seuss> <20080709040925.GA13810@secretlab.ca> <487AA17E.6000808@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <487AA17E.6000808@gmail.com> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sun, Jul 13, 2008 at 08:44:46PM -0400, Jerry Van Baren wrote: > I'm a half-ack. ;-) I'm partial to u-boot's implementation rather than > using a bootwrapper for obvious reasons. The u-boot implementation > takes the blob as a boot parameter and passes it along to the kernel > after doing appropriate (optional) fixups. And if those fixups expect a malformed device tree? > Other than that quibble, I agree that burning the blob into the firmware > so that the firmware must be recompiled and reburned to change the blob > is very undesirable. I thought the device tree was *supposed* to be an interface between the firmware and the kernel? What if the firmware produces the tree dynamically? What if the firmware itself depends on having the device tree in order to operate? -Scott