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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>
This commit is contained in:
Timothy Pearson 2016-04-21 01:34:03 -05:00 committed by Martin Roth
parent 490160140a
commit 5a359365b9
1 changed files with 7 additions and 1 deletions
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8
src/northbridge/amd/amdmct/mct_ddr3/mctwl.c
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@ -2,7 +2,7 @@
* This file is part of the coreboot project. * This file is part of the coreboot project.
* *
* Copyright (C) 2010 Advanced Micro Devices, Inc. * 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 * 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 * 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; uint32_t dword;
uint8_t package_type = mctGet_NVbits(NV_PACK_TYPE); uint8_t package_type = mctGet_NVbits(NV_PACK_TYPE);
printk(BIOS_DEBUG, "%s: Start\n", __func__);
struct DCTStatStruc *pDCTstat; struct DCTStatStruc *pDCTstat;
pDCTstat = pDCTstatA + Node; pDCTstat = pDCTstatA + Node;
printk(BIOS_DEBUG, "%s: Node %d: New frequency code: %04x\n", __func__, Node, pDCTstat->TargetFreq);
if (is_fam15h()) { if (is_fam15h()) {
/* Program F2x[1, 0]90[DisDllShutDownSR]=1. */ /* Program F2x[1, 0]90[DisDllShutDownSR]=1. */
if (pDCTstat->DIMMValidDCT[0]) { if (pDCTstat->DIMMValidDCT[0]) {
@ -448,6 +452,8 @@ void SetTargetFreq(struct MCTStatStruc *pMCTstat,
FreqChgCtrlWrd(pMCTstat, pDCTstat, 1); FreqChgCtrlWrd(pMCTstat, pDCTstat, 1);
} }
} }
printk(BIOS_DEBUG, "%s: Done\n", __func__);
} }
static void Modify_OnDimmMirror(struct DCTStatStruc *pDCTstat, u8 dct, u8 set) static void Modify_OnDimmMirror(struct DCTStatStruc *pDCTstat, u8 dct, u8 set)