From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.171]) by ozlabs.org (Postfix) with ESMTP id 53CB0DDDD8 for ; Tue, 27 Nov 2007 07:20:17 +1100 (EST) Message-ID: <474B2A7F.5090607@anagramm.de> Date: Mon, 26 Nov 2007 21:20:15 +0100 From: Clemens Koller MIME-Version: 1.0 To: robert lazarski Subject: Re: 85xx software reset problems from paulus.git References: <473DB6DF.9010804@anagramm.de> <0B4C1069-9D89-44E8-89F7-9E7CE07B03DF@kernel.crashing.org> <7C2ED552-6644-4FB3-A97B-05FC3E2141FF@kernel.crashing.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, Robert, Hi, Kumar! robert lazarski schrieb: > Hi Kumar, I finally got time to get back to this: > > On Nov 17, 2007 2:52 PM, Kumar Gala wrote: >> >> On Nov 16, 2007, at 4:01 PM, robert lazarski wrote: >> >>>>> Sorry for replying to myself, but thought I'd mention SRESET works >>>>> fine on 85xx 2.6.23 , ie, the board resets after kernel panic. It >>>>> doesn't work for me on 2.6.24rc2 . >>>> What actual 85xx are you using? >>>> >>>> - k >>>> >>> Custom 8548 board. I'm using the cds 85xx code for a reference and I >>> calling the same reset functions. >>> >> 1. do you have the following in your dts: >> >> global-utilities@e0000 { //global utilities reg >> compatible = "fsl,mpc8548-guts"; >> reg = ; >> fsl,has-rstcr; >> }; >> > > Yes. > >> 2. in your platform code are you using fsl_rstcr_restart in >> define_machine() >> >> - k >> > > Yes. The symptoms in 2.6.24RC2 are that during a kernel panic or when > calling 'reboot' in the shell, it just hangs. Using the same dts and > resets in 2.6.23.1 reboots fine. I don't have a cds reference, but > someone who does should be able to confirm whether the issue exists or > not by just attempting to reboot via bash. ACK. Exactly the same over here (mpc8540ads compatible). I added the global-utilities today as well, but reboot fails. Why is the guts stuff missing i.e. in most of the shipped mpc85xx*.dts? Does it depend on some hardware connections external to the CPU? Regards, -- Clemens Koller _______________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Str. 45/1 81379 Muenchen Germany http://www.anagramm-technology.com Phone: +49-89-741518-50 Fax: +49-89-741518-19