From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Sat, 23 Feb 2013 19:48:04 +0100 Subject: [U-Boot] [PATCH 01/13] mxs: Reset the EMI block on mx23 In-Reply-To: References: <1361623389-31095-1-git-send-email-marex@denx.de> <201302231841.13550.marex@denx.de> Message-ID: <201302231948.04713.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Otavio Salvador, > On Sat, Feb 23, 2013 at 2:41 PM, Marek Vasut wrote: > > Dear Otavio Salvador, > > > >> On Sat, Feb 23, 2013 at 9:42 AM, Marek Vasut wrote: > >> > The real reason for memory instability was the fact that the EMI block > >> > was gated and not reset throughout the boards' operation. This patch > >> > resets the EMI block properly while also reverts the memory voltage > >> > bump. The memory stability issues were caused by the EMI not being > >> > reset properly and thus there is no longer need to run the memory at > >> > higher voltage than it ought to run at. > >> > > >> > This partly reverts 8303ed128a55519f19c5f11087032d4bc4e0537a . > >> > > >> > Signed-off-by: Marek Vasut > >> > >> What the changes from v1? Last time I tested it, it broke mx23evk as > >> it made it fail in mtest. > > > > The MX23EVK reboots unconditionally when I attempt mtest with or without > > this patch. > > Here it works fine. > > > And there's no previous version, this patch is V1. The stuff sent before > > shall be ignored. > > So does it change something from initial post? I do not know, that's why this is V1. Best regards, Marek Vasut