From mboxrd@z Thu Jan 1 00:00:00 1970 From: Albert ARIBAUD Date: Mon, 04 Aug 2008 10:08:30 +0200 Subject: [U-Boot-Users] using a flat device tree to drive u-boot config In-Reply-To: References: <9e4733910808030557t269eb1fye375d66f8bb7f200@mail.gmail.com> <20080803154702.84435248CD@gemini.denx.de> Message-ID: <4896B8FE.4000500@free.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Timur Tabi a ?crit : > On Sun, Aug 3, 2008 at 2:06 PM, Grant Likely wrote: > >> Better to just not depend on the DTB at all for basic operation. ie. >> don't brick the board if the DTB is unavailable. > > Is it even possible to have a "recovery mode U-Boot" that is not tied > to the specific board it's built for? Either U-Boot is reliable, or > it's generic (i.e. uses the DTB for configuration). I just don't see > how it can be both. A recovery U-boot would only need to be generic enough to provide a console and means to upload and run code through that console. If that works well, then you have a reliable and (as) generic (as it gets) recovery u-boot (granted, it would still depend on the console working out-of-the-boot without any HW tricks like enabling voltage converters and such). Amicalement, -- Albert.