From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Date: Tue, 9 Sep 2014 15:09:48 +0200 Subject: [U-Boot] [PATCH] watchdog disable for socfpga In-Reply-To: <201409091431.46729.marex@denx.de> References: <201409091420.23913.marex@denx.de> <20140909123001.GA24029@amd> <201409091431.46729.marex@denx.de> Message-ID: <20140909130948.GA25925@amd> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue 2014-09-09 14:31:46, Marek Vasut wrote: > On Tuesday, September 09, 2014 at 02:30:01 PM, Pavel Machek wrote: > > On Tue 2014-09-09 14:20:23, Marek Vasut wrote: > > > On Tuesday, September 09, 2014 at 02:03:28 PM, Pavel Machek wrote: > > > > This adds watchdog disable. It is neccessary for running Linux kernel. > > > > > > Why do we not enable WDT in Linux instead ? Also, I recall there was a > > > call to explicitly enable the L4 watchdog, so why do we not get rid of > > > that instead ? > > > > Booting linux kernel without watchdog support should be valid > > operation. > > If you watchdog is enabled, then not so much. Also, why can we not just disable > the WDT in U-Boot instead using a config option ? It seems that watchdog is enabled by default (by hardware or SPL), so yes, watchdog disable operation (and this patch) in u-boot is a good idea. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html