From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Fri, 12 Jul 2013 09:30:23 +0200 Subject: [U-Boot] [PATCH] net: fec: Avoid MX28 bus sync issue In-Reply-To: <1373583784-7129-1-git-send-email-marex@denx.de> References: <1373583784-7129-1-git-send-email-marex@denx.de> Message-ID: <51DFB08F.2000505@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 12/07/2013 01:03, Marek Vasut wrote: > The MX28 multi-layer AHB bus can be too slow and trigger the > FEC DMA too early, before all the data hit the DRAM. This patch > ensures the data are written in the RAM before the DMA starts. > Please see the comment in the patch for full details. > > This patch was produced with an amazing help from Albert Aribaud, > who pointed out it can possibly be such a bus synchronisation > issue. > > Signed-off-by: Marek Vasut > Cc: Albert ARIBAUD > Cc: Fabio Estevam > Cc: Stefano Babic > --- Applied to u-boot-imx (fix), 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 =====================================================================