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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2015-06-01 20:35:42 -0500
committerPeter Stuge <peter@stuge.se>2015-11-08 01:11:27 +0100
commit6ee6bdec258bcd76ee690a20856a3d7e79b31a04 (patch)
tree5ccb091d8c4884def6675b1dc848eee2cab66902 /src/northbridge/amd
parent4e0d7940395b8f3ddcfeedf40de5e92e95f2d625 (diff)
downloadcoreboot-6ee6bdec258bcd76ee690a20856a3d7e79b31a04.tar.xz
amdmct/mct_ddr3: Disable Fam10h-specific MTRR setup on Fam15h
Change-Id: I5c12b5ef8564402601634e9f3528bbf9303e0b33 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: http://review.coreboot.org/11969 Tested-by: build bot (Jenkins) Reviewed-by: Peter Stuge <peter@stuge.se>
Diffstat (limited to 'src/northbridge/amd')
-rw-r--r--src/northbridge/amd/amdmct/mct_ddr3/mct_d.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
index 80a85ff604..f4bf402775 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
@@ -1848,11 +1848,13 @@ static void DQSTiming_D(struct MCTStatStruc *pMCTstat,
if (nv_DQSTrainCTL) {
mctHookBeforeAnyTraining(pMCTstat, pDCTstatA);
- /* TODO: should be in mctHookBeforeAnyTraining */
- _WRMSR(0x26C, 0x04040404, 0x04040404);
- _WRMSR(0x26D, 0x04040404, 0x04040404);
- _WRMSR(0x26E, 0x04040404, 0x04040404);
- _WRMSR(0x26F, 0x04040404, 0x04040404);
+ if (!is_fam15h()) {
+ /* TODO: should be in mctHookBeforeAnyTraining */
+ _WRMSR(0x26C, 0x04040404, 0x04040404);
+ _WRMSR(0x26D, 0x04040404, 0x04040404);
+ _WRMSR(0x26E, 0x04040404, 0x04040404);
+ _WRMSR(0x26F, 0x04040404, 0x04040404);
+ }
mct_WriteLevelization_HW(pMCTstat, pDCTstatA, FirstPass);
if (is_fam15h()) {