Timothy Pearson (tpearson@raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14545
-gerrit
commit 1b2ec690e53b2cbd2e79276952eebc14d4a58dbd Author: Timothy Pearson tpearson@raptorengineeringinc.com Date: Fri Apr 29 01:40:30 2016 -0500
nb/amd/mct_ddr3: Warn if MaxRdLatency training fails on Family 15h
Change-Id: Idb948acd1a508379f600fbd2fd40fb26b7571d7c Signed-off-by: Timothy Pearson tpearson@raptorengineeringinc.com --- src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c index 77ae483..be95647 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c @@ -1690,6 +1690,9 @@ static void dqsTrainMaxRdLatency_SW_Fam15(struct MCTStatStruc *pMCTstat, break; Set_NB32_index_wait_DCT(dev, Channel, index_reg, 0x00000050, 0x13131313); } + dword = Get_NB32_DCT(dev, Channel, 0x268) & 0x3ffff; + if (dword) + printk(BIOS_ERR, "WARNING: MaxRdLatency training FAILED! Attempting to continue but your system may be unstable...\n");
/* 2.10.5.8.5.1.5 */ nb_pstate = 0;