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Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0103-northbridge-amd-amdmct-mct_ddr3-Force-retraining-on-.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0103-northbridge-amd-amdmct-mct_ddr3-Force-retraining-on-.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0103-northbridge-amd-amdmct-mct_ddr3-Force-retraining-on-.patch b/resources/libreboot/patch/kgpe-d16/0103-northbridge-amd-amdmct-mct_ddr3-Force-retraining-on-.patch new file mode 100644 index 0000000..f7e950f --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0103-northbridge-amd-amdmct-mct_ddr3-Force-retraining-on-.patch @@ -0,0 +1,34 @@ +From 71edc36237fef86f4ee712b1d6edc0191b38714c Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <kb9vqf@pearsoncomputing.net> +Date: Fri, 7 Aug 2015 23:59:33 -0500 +Subject: [PATCH 103/146] northbridge/amd/amdmct/mct_ddr3: Force retraining on + every boot + +--- + src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +index 539d0e8..166cd3d 100644 +--- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c ++++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +@@ -1729,6 +1729,16 @@ restartinit: + allow_config_restore = 0; + } + ++ /* FIXME ++ * Stability issues have arisen on multiple Family 15h systems ++ * when configuration restoration is enabled. In all cases these ++ * stability issues resolved by allowing the RAM to go through a ++ * full training cycle. ++ * ++ * Debug and reenable this! ++ */ ++ allow_config_restore = 0; ++ + for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) { + struct DCTStatStruc *pDCTstat; + pDCTstat = pDCTstatA + Node; +-- +1.7.9.5 + |