From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Mon, 19 Mar 2012 15:14:39 -0700 Subject: [U-Boot] [PATCH] mmc: omap: handle controller errors properly In-Reply-To: <1332195126-24719-1-git-send-email-notasas@gmail.com> References: <1332195126-24719-1-git-send-email-notasas@gmail.com> Message-ID: <4F67AFCF.4040209@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 03/19/2012 03:12 PM, Grazvydas Ignotas wrote: > According to OMAP3 TRM, when the controller reports certain errors, > driver must perform a software reset. This is done by setting a bit > in SYSCTL and waiting it to clear: > - SRC on command timeout (CTO) > - SRD on data errors (DTO, DCRC and DEB) > > This fixes a problem seen on OMAP3 pandora board with some cards > that won't work with a message printed multiple times: > timedout waiting on cmd inhibit to clear > > Code loosely based on Linux omap_hsmmc driver. > > Signed-off-by: Grazvydas Ignotas Most excellent! Pali, can you try this on N900 and see if that helps out the problem you were having as well? Andy, I'll give this a spin through the boards I've got here but I'd like this to go, via your tree, into u-boot/master assuming all goes well. -- Tom