From mboxrd@z Thu Jan 1 00:00:00 1970 From: lokeshvutla@ti.com (Lokesh Vutla) Date: Mon, 13 Feb 2017 09:08:12 +0530 Subject: [PATCH RESEND] ARM: ep93xx: Disable TS-72xx watchdog before uncompressing In-Reply-To: <20170208122354.GA5912@afzalpc> References: <20170202201226.29631-1-f.fainelli@gmail.com> <20170208122354.GA5912@afzalpc> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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