From mboxrd@z Thu Jan 1 00:00:00 1970 From: pali.rohar@gmail.com (Pali =?utf-8?q?Roh=C3=A1r?=) Date: Tue, 2 Dec 2014 22:28:16 +0100 Subject: [PATCH] ARM: OMAP2+: Warn about deprecated legacy booting mode In-Reply-To: <20141128202719.GU2817@atomide.com> References: <20141027200008.GR2560@atomide.com> <201411271232.47231@pali> <20141128202719.GU2817@atomide.com> Message-ID: <201412022228.16421@pali> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Friday 28 November 2014 21:27:19 Tony Lindgren wrote: > * Pali Roh?r [141127 03:34]: > > On Thursday 27 November 2014 02:12:04 Tony Lindgren wrote: > > > Thinking about this probably the best long term solution > > > is to pass optional board_revision in the kernel cmdline > > > that can be parsed early and copied to system_rev > > > variable. > > > > Not possible. Our bootloader is closed & proprietary. I > > tried to replace it with u-boot I was not able to do that. > > So we will use that Nokia closed bootloader forever and it > > can provide data only in ATAG structure. > > I'm using just mainline u-boot flashed as kernel for nolo that > then loads the kernel. > > For passing the board revision using the pass through u-boot > is probably the best long term solution. U-boot can read the > ATAGs from nolo and modify the .dtb for the revision > information. > > Are you saying there are some issues with that? > > > > Or if you can think of some other way to get it, we can > > > set system_rev in pdata-quirks.c. > > > > > > Or maybe add some code to copy the ATAGs somewhere where > > > they are out of the way and don't conflict with the device > > > tree data? Then we can query ATAG_REVISION from > > > pdata-quirks.c and set system_rev. > > > > If we are able to read ATAG from pdata-quirks, then we can > > parse it there and fix problems... But I do not know if > > address of ATAG structure is available there... > > Are there other ATAGs needed beyond the ATAG_REVISION? > > Regards, > > Tony Ouch... Also ATAG_CMDLINE... which is probably reason why cmdline passed from bootloader is ignored. -- Pali Roh?r pali.rohar at gmail.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: