From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 3/4] ARM: OMAP3: Add support for 3430 SDP, v3 Date: Wed, 1 Apr 2009 15:07:45 -0700 Message-ID: <20090401220745.GJ32530@atomide.com> References: <20090331184802.GA27745@n2100.arm.linux.org.uk> <5A47E75E594F054BAF48C5E4FC4B92AB02FB086086@dbde02.ent.ti.com> <0680EC522D0CC943BC586913CF3768C0036E7EF891@dbde02.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-01-ewr.mailhop.org ([204.13.248.71]:59761 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751573AbZDAWHz (ORCPT ); Wed, 1 Apr 2009 18:07:55 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Paul Walmsley Cc: "Syed Mohammed, Khasim" , "Gadiyar, Anand" , "linux-arm-kernel@lists.arm.linux.org.uk" , "linux-omap@vger.kernel.org" , Russell King - ARM Linux * Paul Walmsley [090401 12:04]: > On Wed, 1 Apr 2009, Syed Mohammed, Khasim wrote: > > > > -----Original Message----- > > > From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-owner@vger.kernel.org] On Behalf Of > > > Gadiyar, Anand > > > Sent: Wednesday, April 01, 2009 1:55 PM > > > To: Russell King - ARM Linux > > > Cc: Tony Lindgren; linux-arm-kernel@lists.arm.linux.org.uk; linux-omap@vger.kernel.org > > > Subject: RE: [PATCH 3/4] ARM: OMAP3: Add support for 3430 SDP, v3 > > > > > > On Wed, Apr 01, 2009 at 12:18 AM, Russell King - ARM Linux wrote: > > > > On Tue, Mar 31, 2009 at 05:12:18PM +0530, Gadiyar, Anand wrote: > > > > > I could not run the 3430 SDP defconfig from mainline. The image hangs at > > > > > "Starting kernel ...". Enabling CONFIG_DEBUG_LL does not help. > > > > > > > > Did you add the necessary patch to kernel/printk.c ? > > > > > > > > > > Silly me, I had not done this (despite having read this so many times on this list). > > > > > > Here's what I get now after adding the patch. > > > > > > - Anand > > > > > > Uncompressing > > > Linux................................................................................................ > > > .................... done, booting the kernel. > > > <5>Linux version 2.6.29-06608-g15f7176-dirty (a0393673@omaplbp.india.ti.com) (gcc version 4.2.1 > > > (CodeSourcery Sourcery G++ Lite 2007q3-51)) #4 Wed Apr 1 13:26:59 IST 2009 > > > CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c5387f > > > CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache > > > Machine: OMAP3430 3430SDP board > > > Memory policy: ECC disabled, Data cache writeback > > > <7>On node 0 totalpages: 32768 > > > <7>free_area_init_node: node 0, pgdat c038c8a4, node_mem_map c03a6000 > > > <7> Normal zone: 256 pages used for memmap > > > <7> Normal zone: 0 pages reserved > > > <7> Normal zone: 32512 pages, LIFO batch:7 > > > <6>OMAP3430 ES3.0 > > > <6>SRAM: Mapped pa 0x40200000 to va 0xd7000000 size: 0x100000 > > > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512 > > > <5>Kernel command line: mem=128M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw > > > nfsroot=172.24.162.66:/vol/vol2/swcoe_omapsw_linux1/anand/target,nolock,tcp > > > ip=172.24.190.229:172.24.162.66:172.24.188.1:255.255.252.0:myomap::off > > > <6>NR_IRQS:402 > > > <6>Clocking rate (Crystal/DPLL/ARM core): 26.0/332/500 MHz > > > <6>GPMC revision 5.0 > > > <6>IRQ: Found an INTC at 0xd8200000 (revision 4.0) with 96 interrupts > > > <6>Total of 96 interrupts on 1 active controller > > > <6>OMAP34xx GPIO hardware version 2.5 > > > PID hash table entries: 512 (order: 9, 2048 bytes) > > > Console: colour dummy device 80x30 > > > <6>Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > > > <6>Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > > > <6>Memory: 128MB = 128MB total > > > <5>Memory: 126064KB available (3188K code, 289K data, 112K init, 0K highmem) > > > <6>Calibrating delay loop... > > > > > Anand, > > > > It looks like the timers are not configured properly or the timer selection has gone wrong. Can you just compare your previous working defconfig with this and correct the GPTIMER selection? > > As an aside, I'm seeing the same thing with mainline and Beagle. It does > not seem to matter whether the 32k timer or sys_clk is used as the GPTIMER > source. Also it does not seem to matter whether GPTIMER1 or GPTIMER12 is > configured. Looks like some kind of GPTIMER or GPTIMER-related interrupt > problem. Have not had the chance to isolate the exact problem yet, so, > other comments welcome. Not seeing this on overo at least. Tony