From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cr7mJ-0002DF-Do for barebox@lists.infradead.org; Thu, 23 Mar 2017 18:48:09 +0000 Date: Thu, 23 Mar 2017 19:47:42 +0100 From: Sascha Hauer Message-ID: <20170323184742.k2wspb2n3li75kvu@pengutronix.de> References: <1490282153.29056.39.camel@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1490282153.29056.39.camel@pengutronix.de> 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: Information regarding iMX6 QuadPlus and iMX6 DualLite To: Lucas Stach Cc: barebox@lists.infradead.org, gianluca Hi, On Thu, Mar 23, 2017 at 04:15:53PM +0100, Lucas Stach wrote: > Hi, > > Am Donnerstag, den 23.03.2017, 16:04 +0100 schrieb gianluca: > > But I do not found any switch between choosing one Soc or another. > > Where is done the startup entry? > > If you want a single binary, you need build a 2 stage barebox. First > stage needs to be loaded into SRAM, then you can look at which board you > are running and do the specific DRAM setup. Then you can load the bigger > 2nd stage into DRAM, where you again need to look at the board you are > running at and select the correct devicetree for barebox to use. For an example how this can be done look at the wandboard support: arch/arm/boards/technexion-wandboard/lowlevel.c The wandboard doesn't have QuadPLus support, but the principle is the same. It comes with different device trees and DRAMs. Both are selected depending on the SoC type. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox