diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0038-amdmct-mct_ddr3-Disable-Fam10h-specific-MTRR-setup-o.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0038-amdmct-mct_ddr3-Disable-Fam10h-specific-MTRR-setup-o.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0038-amdmct-mct_ddr3-Disable-Fam10h-specific-MTRR-setup-o.patch b/resources/libreboot/patch/kgpe-d16/0038-amdmct-mct_ddr3-Disable-Fam10h-specific-MTRR-setup-o.patch new file mode 100644 index 00000000..15adb858 --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0038-amdmct-mct_ddr3-Disable-Fam10h-specific-MTRR-setup-o.patch @@ -0,0 +1,36 @@ +From 59201912928ffcdbc4c7143548ceba490dea021a Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Mon, 1 Jun 2015 20:35:42 -0500 +Subject: [PATCH 038/146] amdmct/mct_ddr3: Disable Fam10h-specific MTRR setup + on Fam15h + +--- + src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 12 +++++++----- + 1 file 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 c73cb26..3eb6b17 100644 +--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c ++++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +@@ -1839,11 +1839,13 @@ 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()) { +-- +1.7.9.5 + |