From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Mon, 27 Aug 2012 19:39:26 +0200 Subject: [U-Boot] [PATCH v2] efikamx: sync Smartbook DDR settings in DCD with those found in Genesi's production U-Boot In-Reply-To: <1345826664-20210-1-git-send-email-matt@genesi-usa.com> References: <1345826664-20210-1-git-send-email-matt@genesi-usa.com> Message-ID: <503BB0CE.6060006@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 24/08/2012 18:44, Matt Sealey wrote: > We have no idea where the DCD was derived from for Smartbook support, but they > differ from the Smarttop settings, MX51EVK settings and certainly don't > correspond to any shipped or development version of U-Boot that Genesi has ever > had on any Smartbook. > > So, copy the calibrated, verified settings from the U-Boot as shipped with every > Smartbook since retail production. Remove those few settings that just set the > POR defaults which have already been confirmed for the previous Smarttop DCD > change. > > One of the lines is specific to i.MX51 TO3 designs and therefore TO2 Smartbooks > will possibly not work so reliably with this new DCD; that said, TO2 Smartbooks > basically don't exist at retail and the number of units in the world is less > than 5 (3 of which are at the Genesi office or owned by Genesi employees). > > Many hours of memory testing confirms the new settings are stable. > > Patch v2: > * picked the correct commit from our development tree, correcting tuned DDR ODF setting > (which was correct anyway) > > Signed-off-by: Matt Sealey > Cc: Stefano Babic > Cc: Marek Vasut > --- 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 =====================================================================