From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.free-electrons.com ([94.23.35.102]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ubvi0-00013V-G0 for barebox@lists.infradead.org; Mon, 13 May 2013 16:34:44 +0000 Date: Mon, 13 May 2013 18:34:18 +0200 From: Thomas Petazzoni Message-ID: <20130513183418.4f9ce9e2@skate> In-Reply-To: <51911510.8050207@gmail.com> References: <1368364146-6024-1-git-send-email-sebastian.hesselbarth@gmail.com> <1368364146-6024-4-git-send-email-sebastian.hesselbarth@gmail.com> <20130513075852.GG32299@pengutronix.de> <5190AFA1.1080503@gmail.com> <20130513105722.GP32299@pengutronix.de> <5190E56F.9080903@gmail.com> <20130513162313.4f5849a9@skate> <519110D0.5040801@gmail.com> <20130513182141.12af9b31@skate> <51911510.8050207@gmail.com> Mime-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 3/5] arm: initial support for Marvell Dove SoCs To: Sebastian Hesselbarth Cc: barebox@lists.infradead.org, Ezequiel Garcia Dear Sebastian Hesselbarth, On Mon, 13 May 2013 18:30:08 +0200, Sebastian Hesselbarth wrote: > > No, I did not test that, it was just a supposition from me that it > > would work. I was under the impression that the SoC would load the > > entire image in SRAM, and then go through the DATA commands and > > apply them. But of course, if it does apply each and every DATA > > command as soon as it receives them, then it cannot work, and > > Barebox will have to do its remapping and give up the possibility > > of being booted by itself. > > Hmm, Dove spec says about BootROM Address Decoding: > "BootROM firmware uses the default address map, and does not change it > throughout the entire boot process." > > And of course, if you change the address map early, BootROM will fail > to access peripherals (SPI, I2C, NAND, ...). > > Remap by kwbimage.cfg looks like a no-go. Looks like, yes. Thanks for the testing and investigation! Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox