From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Wed, 28 May 2014 17:39:00 +0200 Subject: [U-Boot] [PATCH] serial_mxc: disable new features of autobaud detection In-Reply-To: <1400111883-2333-1-git-send-email-eric.nelson@boundarydevices.com> References: <1400111883-2333-1-git-send-email-eric.nelson@boundarydevices.com> Message-ID: <53860314.10001@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 On 15/05/2014 01:58, Eric Nelson wrote: > Bit 7 of UCR3 is described in the i.MX3x/i.MX5x/i.MX6x > reference manuals as follows: > > Autobaud Detection Not Improved-. Disables new features of > autobaud detection (See Baud Rate Automatic Detection > Protocol, for more details). > > 0 Autobaud detection new features selected > 1 Keep old autobaud detection mechanism > > On at least i.MX6DQ, i.MX6DLS and i.MX53, the "new features" > occasionally cause the receiver to get out of sync and > continuously produce received characters of '\xff'. > > This patch disables the "new feature" on all boards, since > there's no support for auto-baud in U-Boot on any of them. > > More details are available in this post on i.MX Community: > https://community.freescale.com/message/403254 > > Signed-off-by: Eric Nelson > Tested-by: Fabio Estevam > --- Applied to u-boot-imx, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================