From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Wed, 03 Apr 2013 11:06:49 +0200 Subject: [U-Boot] [PATCH] mmc: mx6qsabrelite: fsl_esdhc: Define maximum bus width supported by SabreLite board In-Reply-To: <1363863628-31707-1-git-send-email-abbas_raza@mentor.com> References: <1363863628-31707-1-git-send-email-abbas_raza@mentor.com> Message-ID: <515BF129.60103@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 21/03/2013 12:00, Abbas Raza wrote: > From: Abbas Raza > > Maximum bus width supported by SabreLite board is not 8bit like > all other mx6q specific boards. In case where both host controller > and card support 8bit transfers, they agree to communicate on 8bit > interface while boards like the SabreLite support only 4bit interface. > Due to this reason the mmc 8bit default mode fails on the SabreLite. > To rectify this, define maximum bus width supported by this board (4bit). > If max_bus_width is not defined, it is 0 by default and 8bit width support > will be enabled in host capabilities otherwise host capabilities are modified > accordingly. > > It is tested with a MMCplus card. > > Signed-off-by: Abbas Raza > cc: stefano Babic > cc: Andy Fleming > Acked-by: Dirk Behme > Acked-by: Andrew Gabbasov > --- Applied to u-boot-imx, thanks. FYI: of course, I will merge the same fix for max_bus_width for Nitrogen6x and Wandboard if posted. 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 =====================================================================