From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.ebshome.net (gate.ebshome.net [64.81.67.12]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (Client CN "gate.ebshome.net", Issuer "gate.ebshome.net" (not verified)) by ozlabs.org (Postfix) with ESMTP id 64F9C67A67 for ; Sat, 23 Apr 2005 08:29:29 +1000 (EST) Date: Fri, 22 Apr 2005 15:29:26 -0700 From: Eugene Surovegin To: Wolfgang Denk Message-ID: <20050422222925.GB9158@gate.ebshome.net> References: <20050422210610.GA9158@gate.ebshome.net> <20050422222601.35F18C1510@atlas.denx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20050422222601.35F18C1510@atlas.denx.de> Cc: Paul Gortmaker , linuxppc-embedded@ozlabs.org Subject: Re: Warm reboot on 826x targets List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, Apr 23, 2005 at 12:25:56AM +0200, Wolfgang Denk wrote: > In message <20050422210610.GA9158@gate.ebshome.net> you wrote: > > > > This is not relevant, because Linux doesn't use this "checkstop" > > trick. It directly just jumps to U-Boot warm-reboot entry point. > > Which is a bad design desicion, IMHO. If you want to reset a board, > you should really RESET it (and give all attached peripherals a > chance to get reset, too), instead of just assuming everything is in > good shape an it's sufficient to just jump into some boot loader code > again. Sure, but tell me then, _WHY_ U-Boot has this warm-reboot entry? IMHO, Motorola should have implemented normal reset facility, which doesn't require any tricks. -- Eugene