From: Borislav Petkov <borislav.petkov@amd.com>
Date: Thu, 12 Nov 2009 14:37:57 +0000 (+0100)
Subject: amd64_edac: detect DDR3 memory type
X-Git-Tag: v2.6.33-rc1~324^2~5
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=6b4c0bdeb00f35cad2d3e0dc0d97bb4950a8f86e;p=net-next-2.6.git

amd64_edac: detect DDR3 memory type

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
---

diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 708d065efc9..d9cde7132e8 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1017,10 +1017,11 @@ static enum mem_type amd64_determine_memory_type(struct amd64_pvt *pvt)
 	enum mem_type type;
 
 	if (boot_cpu_data.x86 >= 0x10 || pvt->ext_model >= K8_REV_F) {
-		/* Rev F and later */
-		type = (pvt->dclr0 & BIT(16)) ? MEM_DDR2 : MEM_RDDR2;
+		if (pvt->dchr0 & DDR3_MODE)
+			type = (pvt->dclr0 & BIT(16)) ?	MEM_DDR3 : MEM_RDDR3;
+		else
+			type = (pvt->dclr0 & BIT(16)) ? MEM_DDR2 : MEM_RDDR2;
 	} else {
-		/* Rev E and earlier */
 		type = (pvt->dclr0 & BIT(18)) ? MEM_DDR : MEM_RDDR;
 	}