From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751604AbdBMDkp (ORCPT ); Sun, 12 Feb 2017 22:40:45 -0500 Received: from fllnx210.ext.ti.com ([198.47.19.17]:51272 "EHLO fllnx210.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751340AbdBMDko (ORCPT ); Sun, 12 Feb 2017 22:40:44 -0500 Subject: Re: [PATCH RESEND] ARM: ep93xx: Disable TS-72xx watchdog before uncompressing To: Afzal Mohammed , Florian Fainelli References: <20170202201226.29631-1-f.fainelli@gmail.com> <20170208122354.GA5912@afzalpc> CC: , , , , Hartley Sweeten , Ryan Mallon , Russell King , "moderated list:ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE" , open list From: Lokesh Vutla Message-ID: Date: Mon, 13 Feb 2017 09:08:12 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170208122354.GA5912@afzalpc> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 08 February 2017 05:53 PM, Afzal Mohammed wrote: > Hi, > > On Thu, Feb 02, 2017 at 12:12:26PM -0800, Florian Fainelli wrote: >> The TS-72xx/73xx boards have a CPLD watchdog which is configured to >> reset the board after 8 seconds, if the kernel is large enough that this >> takes about this time to decompress the kernel, we will encounter a >> spurious reboot. > > so once it reaches Kernel proper, that dog is being killed, right ? > > iirc, TI AM335x's & AM43x's ROM code too leaves the on-chip watchdog > enabled & the bootloader disables it (else once it boots to prompt, it > reboots always unless watchdog driver [if present] takes care of it), > Lokesh, right ? Yes, that's right. Watchdog is disabled in U-Boot. Thanks and regards, Lokesh