From: Peter Tyser Date: Wed, 10 Mar 2010 23:23:15 +0000 (-0800) Subject: edac: e752x: add dram scrubbing support X-Git-Tag: v2.6.34-rc2~123 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8004fd2ad6042ae24d3913cf5089909781db3a25;p=pandora-kernel.git edac: e752x: add dram scrubbing support Add support to scrub DRAM using the e752x integrated memory scrubbing engine. The e7320/7520/e7525 chipsets support scrubbing at one rate while the i3100 chipset supports a normal and fast rate. A similar patch was originally sent back in 2008: http://sourceforge.net/mailarchive/forum.php?thread_name=1204835866.25206.70.camel@localhost.localdomain&forum_name=bluesmoke-devel This version has the following updates: - Use 16-bit PCI config cycles to access MCHSCRB register e7320/7520/e7525 docs say register is 16bits wide, i3100 says 8. I tested 16bits on the i3100 to be safe. - Recalcuate and round actual scrub rates The changes have been tested on an i3100-based board. Signed-off-by: Peter Tyser Signed-off-by: Doug Thompson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Reading git-diff-tree failed