[coreboot-gerrit] New patch to review for coreboot: northbridge/amd/amdmct/mct_ddr3: Update prefetcher configuration

[Timothy Pearson (tpearson@raptorengineeringinc.com)]

Timothy Pearson (tpearson at raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12417

-gerrit

commit 3c5127694d2b7d317015e84a01ced305948ee79b
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
Date:   Wed Nov 11 19:01:41 2015 -0600

    northbridge/amd/amdmct/mct_ddr3: Update prefetcher configuration
    
    The existing prefetcher configuration was incorrect; use the correct
    values from the AMD Family 10h and Family 15h BKDGs as appropriate.
    
    Change-Id: I287ffa6345e1f4d232d4b2ea4251650ada3fda92
    Signed-off-by: Timothy Pearson <tpearson at raptorengineeringinc.com>
---
 src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
index f696dae..b3f43fb 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
@@ -2408,9 +2408,12 @@ static void DCTMemClr_Sync_D(struct MCTStatStruc *pMCTstat,
 		} while (!(val & (1 << Dr_MemClrStatus)));
 	}
 
-	val = 0x0FE40FC0;		/* BKDG recommended */
+	if (is_fam15h())
+		val = 0x0ce00f41;	/* BKDG recommended */
+	else
+		val = 0x0fe40fc0;	/* BKDG recommended */
 	val |= MCCH_FlushWrOnStpGnt;	/* Set for S3 */
-	Set_NB32(dev, 0x11C, val);
+	Set_NB32(dev, 0x11c, val);
 }
 
 static u8 NodePresent_D(u8 Node)