the following patch was just integrated into master: commit 32450568bc03d7b648d13755345cc647b97664f1 Author: Ronald G. Minnich rminnich@google.com Date: Tue Jun 18 13:02:23 2013 -0700
ARM: when setting a GPIO to put, set the value, then the direction
We saw a problem on x86 last year in which setting direction, then value, glitched the output and caused problems. Change this code to set the output, then the direction.
Change-Id: I3e1e17ffe82ae270eea539530368a58c6cfe0ebe Signed-off-by: Ronald G. Minnich rminnich@google.com Signed-off-by: Gabe Black gabeblack@chromium.org Reviewed-on: http://review.coreboot.org/3679 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer stefan.reinauer@coreboot.org
See http://review.coreboot.org/3679 for details.
-gerrit