From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Thu, 19 Mar 2015 14:52:30 -0500 Subject: [U-Boot] [PATCH 17/28] armv8/fsl-lsch3: Enable system error aborts In-Reply-To: <20150319181433.GH10153@leverpostej> References: <1426783559-26610-1-git-send-email-yorksun@freescale.com> <1426783559-26610-17-git-send-email-yorksun@freescale.com> <20150319181433.GH10153@leverpostej> Message-ID: <1426794750.27998.139.camel@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thu, 2015-03-19 at 18:14 +0000, Mark Rutland wrote: > On Thu, Mar 19, 2015 at 04:45:48PM +0000, York Sun wrote: > > From: Scott Wood > > > > This lets us see the problems (close to) when they happen, > > rather than Linux hanging when it enables them prior to having a > > working console. > > FYI, if the Linux driver for your UART supports earlycon, that should > work since commit 7a9c43bed891d1f8 ("setup: Move unmask of async > interrupts after possible earlycon setup"). I wrote this patch in the context of board bringup, where I was stuck using an older kernel. In any case, when U-Boot causes a problem we want to see it in U-Boot. > I hope that SError is masked again prior to entering Linux, as required > by the boot protocol? Doesn't look like it based on grepping for daifset. Where is the boot protocol documented? Just for future reference -- I agree that leaving this enabled during the handover would be a bad thing. > Mark. > > > Signed-off-by: Scott Wood York, where's your signoff since you're the one submitting the patch? -Scott