From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: dtb for pandaboard Date: Thu, 12 Jul 2012 23:57:00 -0700 Message-ID: <20120713065700.GK1122@atomide.com> References: <20120708173259.592552c1@pegasus.ausil.us> <20120709090848.GD1122@atomide.com> <20120710181119.27faf235@pegasus.ausil.us> <20120711074232.GE1122@atomide.com> <20120711084855.5887c9ea@pegasus.ausil.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-01-ewr.mailhop.org ([204.13.248.71]:43386 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753451Ab2GMG5F (ORCPT ); Fri, 13 Jul 2012 02:57:05 -0400 Content-Disposition: inline In-Reply-To: <20120711084855.5887c9ea@pegasus.ausil.us> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Dennis Gilmore Cc: linux-omap@vger.kernel.org * Dennis Gilmore [120711 06:53]: > On Wed, 11 Jul 2012 00:42:33 -0700 > Tony Lindgren wrote: > > > > Sounds like it's some kind of issue with dtb getting overwritten > > by something. We had an issue where kernel BSS was overlapping dtb > > in some cases, but those should be fixed. > > seems that they are not all fixed appending the dtb allows me to boot i > could try loading the dtb at a different address. OK sounds like that's the issue then, hopefully moving the dtb around helps. > > Maybe try to leave out ARCH_OMAP2 and ARCH_OMAP3 and maybe CONFIG_NET > > from your .config to make the kernel smaller and see if that makes > > a difference? > > > > If that works, then moving the dtb address in uEnv.txt should help. > > > > Also, please check if the same issue happens with appended dtb: > with the appended dtb image im back to where i was not using a dtb file > at all. that is that omap is not being autoloaded. and the sdcard so > rootfs never shows up. i get dropped to a dracut rescue shell where if > i manually modprobe omap nothing is happening. If the SD card is not detected with appended dtb either, the card voltages may not be supported. I believe Rajendra mentioned in some mail that we're still missing some voltage settings for the DT case for omap_hsmmc.c. In that case the card should work for the non-DT booting though. Regards, Tony