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| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2016-04-29 01:40:30 -0500 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2016-05-01 00:50:47 +0200 |
| commit | ac6bd5b037269a85eb67f444b81818618c88b33f (patch) | |
| tree | 6da8221ec37361ce57f19ee9c13e6c500b15b09d | |
| parent | 2bb1d30d69d807ee70d005b70f8ea5e9caa74fae (diff) | |
| download | coreboot-ac6bd5b037269a85eb67f444b81818618c88b33f.tar.xz | |
nb/amd/mct_ddr3: Warn if MaxRdLatency training fails on Family 15h
Change-Id: Idb948acd1a508379f600fbd2fd40fb26b7571d7c
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14545
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c index 77ae4838cc..be956476b8 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; |