From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Tue, 08 Mar 2016 13:31:55 -0600 Subject: [U-Boot] [RFC] armv8: layerscape: Add support of u-boot device tree fix-up In-Reply-To: References: <1456137332-14889-1-git-send-email-prabhakar.kushwaha@nxp.com> <1456190492.2463.122.camel@buserror.net> Message-ID: <1457465515.5360.110.camel@buserror.net> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, 2016-02-23 at 04:09 +0000, Prabhakar Kushwaha wrote: > > -----Original Message----- > > From: Scott Wood [mailto:oss at buserror.net] > > Sent: Tuesday, February 23, 2016 6:52 AM > > To: Prabhakar Kushwaha ; u- > > boot at lists.denx.de > > Cc: york sun ; Priyanka Jain > > Subject: Re: [RFC] armv8: layerscape: Add support of u-boot device tree > > fix- > > up > > > > Where do you check that the device tree fits in OCRAM? What about when > > SPL is occupying OCRAM? Does the device tree get used with SPL (I don't > > think we were using FDT control at all the last time I worked with SPL on > > these chips)? > > > > I checked ls2085ardb dtb size in Linux. It is ~30K. So from 0xfff0 to 20000 > there is enough space. > > For SPL. Assumption is SPL never use dts. It will only be used by u-boot. > Once control is transferred to u-boot, things work as it is like NOR boot. I don't think that's a good assumption, given that I just saw a patch posted regarding SPL_OF_CONTROL. -Scott