From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yehuda Yitschak Date: Thu, 5 Mar 2015 18:20:35 +0000 Subject: [U-Boot] 4K padding of ARM DT blob In-Reply-To: <20150305164050.GX25373@bill-the-cat> References: , <20150305164050.GX25373@bill-the-cat> Message-ID: <1425579635305.24190@marvell.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hey Tom In arch/arm/dts/Makfile: line 56 "DTC_FLAGS += -R 4 -p 0x1000" this tell the dtc tool to add a 4K padding to the device tree blob. i can't figure out why this is needed. Its creating a 4KB penalty on the dtb file so i guess it has some justification. Thanks Yehuda ________________________________________ From: Tom Rini Sent: Thursday, March 5, 2015 6:40 PM To: Yehuda Yitschak Cc: yamada.m at jp.panasonic.com; u-boot at lists.denx.de; Hanna Hawa Subject: Re: [U-Boot] 4K padding of ARM DT blob On Thu, Mar 05, 2015 at 08:02:50AM +0000, Yehuda Yitschak wrote: > Hello > > I was wondering why the default ARM device tree blob is padded by 4K bytes > > Is this required to align to some storage medium ? > Is there a configuration that allows to eliminate this padding to save space ? Can you expand on what you're referring to / code in question? Thanks! -- Tom