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authorTimothy Pearson <tpearson@raptorengineeringinc.com>2016-04-21 01:34:03 -0500
committerMartin Roth <martinroth@google.com>2016-04-22 17:31:42 +0200
commit5a359365b9ba0e4868f3d15f25d60c6cb321cada (patch)
tree17df8348199cf1574c8a8a1ba450189b3bf28df7
parent490160140af90f8d07ba897fed161c4c2599303b (diff)
nb/amd/mct_ddr3: Enhance debugging around MEMCLK frequency change
Change-Id: I5056cf885b7063a97c095bfaaf01dd8da777a425 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: https://review.coreboot.org/14447 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/mctwl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c b/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
index b354d923f8..44ea6e8f84 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
@@ -2,7 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
- * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ * Copyright (C) 2015 - 2016 Raptor Engineering, LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -358,9 +358,13 @@ void SetTargetFreq(struct MCTStatStruc *pMCTstat,
uint32_t dword;
uint8_t package_type = mctGet_NVbits(NV_PACK_TYPE);
+ printk(BIOS_DEBUG, "%s: Start\n", __func__);
+
struct DCTStatStruc *pDCTstat;
pDCTstat = pDCTstatA + Node;
+ printk(BIOS_DEBUG, "%s: Node %d: New frequency code: %04x\n", __func__, Node, pDCTstat->TargetFreq);
+
if (is_fam15h()) {
/* Program F2x[1, 0]90[DisDllShutDownSR]=1. */
if (pDCTstat->DIMMValidDCT[0]) {
@@ -448,6 +452,8 @@ void SetTargetFreq(struct MCTStatStruc *pMCTstat,
FreqChgCtrlWrd(pMCTstat, pDCTstat, 1);
}
}
+
+ printk(BIOS_DEBUG, "%s: Done\n", __func__);
}
static void Modify_OnDimmMirror(struct DCTStatStruc *pDCTstat, u8 dct, u8 set)