From d43547a64111da6fb4cba322c8675176bddf8622 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Fri, 7 Aug 2015 23:59:33 -0500 Subject: [PATCH 103/143] northbridge/amd/amdmct/mct_ddr3: Force retraining on every boot Change-Id: I017e0dd5120110124d5b5d5276befef6f7740614 Signed-off-by: Timothy Pearson --- 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 2ca65ca..330f37f 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c @@ -1735,6 +1735,16 @@ 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