On Tue, Sep 02, 2014 at 05:00:30PM +0200, Rostislav Lisovy wrote: > OMAP GPMC driver used with some NAND Flash devices (e.g. Spansion > S34ML08G1) causes that U-boot shows hundreds of 'nand: bit-flip > corrected' error messages. Possible cause was discussed in the > mailinglist thread: > http://lists.denx.de/pipermail/u-boot/2014-April/177508.html > > Quote (Author: Pekon Gupta <pe...@ti.com>): "The issue is mainly > due to a NAND protocol violation in the omap driver since the > Random Data Output command (05h-E0h) expects to see only the > column address that should be addressed within the already loaded > read page into the read buffer. Only 2 address cycles with ALE > active should be provided between the 05h and E0h commands. The > Page read command expects the full address footprint (2bytes for > column address + 3bytes for row address), but once the page is > loaded into the read buffer, Random Data Output should be used > with only 2bytes for column address." > > This patch combines the solution proposed in the mailinglist and > the patch provided by the Spansion company (GPLv2 code, source: > http://www.spansion.com/Support/Software/u-boot-psp-04.04.00.01-NAND.zip) > > Signed-off-by: Rostislav Lisovy <lis...@merica.cz>
Applied to u-boot/master, thanks! -- Tom
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