From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1ORoYh-00076w-Gp for barebox@lists.infradead.org; Thu, 24 Jun 2010 15:41:44 +0000 Date: Thu, 24 Jun 2010 17:41:41 +0200 From: Sascha Hauer Message-ID: <20100624154141.GC12115@pengutronix.de> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Regression: not booting anymore on OMAP35xx To: Luca Ceresoli Cc: barebox@lists.infradead.org On Thu, Jun 24, 2010 at 02:32:25PM +0200, Luca Ceresoli wrote: > Sascha Hauer wrote: > > On Tue, Jun 22, 2010 at 04:04:52PM +0200, Luca Ceresoli wrote: > > > Sascha Hauer wrote: > > > > Hi Luca, > > > > > > > > On Tue, Jun 22, 2010 at 02:26:11PM +0200, Luca Ceresoli wrote: > > > > > Hi, > > > > > > > > > > > > > Seems that I lost the call to arch_init_lowlevel. Does the following > > > > patch help? > > > > > > I'm afraid it doesn't seem to. > > > It fails with the same symptoms. > > > > > > Luca > > > > > > > > > > > > > > > diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c > > > > index eea7dcf..91d2ccd 100644 > > > > --- a/arch/arm/cpu/start.c > > > > +++ b/arch/arm/cpu/start.c > > > > @@ -50,6 +50,8 @@ void __naked __bare_init reset(void) > > > > { > > > > uint32_t r; > > > > > > > > + arch_init_lowlevel(); > > > > + > > > > Ok, this has to be done *after* switching the cpu to SVC32 mode. > > > > I tested this on my beagle board and now it works again. I pushed > > a patch to the master repository. > > Sascha, thank you for the prompt response. > Unfortunately the new version works only partially with my Beagle > Board (rev. C4). > > I tested commit: > 46976f7 OMAP: fix compilation > > - Test 1: the board is always powered. > Press RESET with the USER key pressed. > 10 tests, 10 passed. > > - Test 2: the board is not powered. > Turn turn it on with the USER key pressed. > Turn turn it off again at the end of the test. > 10 tests, 5 passed, 5 failed. > > During all of the 20 tests, barebox.bin was always the same. > I didn't recompile it. > > OTOH the commit before the "reimplement in C" passes also test 2. > > I hope this gives enough hints to solve the problem. Ok, I'll try to reproduce this. 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