7 * Northbridge DR MCT supporting functions
9 * @xrefitem bom "File Content Label" "Release Content"
11 * @e sub-project: (Mem/NB/DR)
12 * @e \$Revision: 56279 $ @e \$Date: 2011-07-11 13:11:28 -0600 (Mon, 11 Jul 2011) $
15 /*****************************************************************************
17 * Copyright (C) 2012 Advanced Micro Devices, Inc.
18 * All rights reserved.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions are met:
22 * * Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * * Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 * * Neither the name of Advanced Micro Devices, Inc. nor the names of
28 * its contributors may be used to endorse or promote products derived
29 * from this software without specific prior written permission.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
32 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
33 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
34 * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
35 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
38 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
39 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 * ***************************************************************************
47 *----------------------------------------------------------------------------
50 *----------------------------------------------------------------------------
61 #include "OptionMemory.h" // need def for MEM_FEAT_BLOCK_NB
64 #include "OptionMemory.h"
65 #include "GeneralServices.h"
70 #define FILECODE PROC_MEM_NB_DR_MNMCTDR_FILECODE
71 /*----------------------------------------------------------------------------
72 * DEFINITIONS AND MACROS
74 *----------------------------------------------------------------------------
77 /*----------------------------------------------------------------------------
78 * TYPEDEFS AND STRUCTURES
80 *----------------------------------------------------------------------------
83 /*----------------------------------------------------------------------------
84 * PROTOTYPES OF LOCAL FUNCTIONS
86 *----------------------------------------------------------------------------
90 /*----------------------------------------------------------------------------
93 *----------------------------------------------------------------------------
96 /* -----------------------------------------------------------------------------*/
100 * This function sets final values in BUCFG and BUCFG2
102 * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
104 * @return TRUE - No fatal error occurs.
105 * @return FALSE - Fatal error occurs.
110 IN OUT MEM_NB_BLOCK *NBPtr
113 MEM_DATA_STRUCT *MemPtr;
114 DRAM_PREFETCH_MODE DramPrefetchMode;
117 MemPtr = NBPtr->MemPtr;
118 DramPrefetchMode = MemPtr->PlatFormConfig->PlatformProfile.AdvancedPerformanceProfile.DramPrefetchMode;
120 MemNSetBitFieldNb (NBPtr, BFAdapPrefMissRatio, 1);
121 MemNSetBitFieldNb (NBPtr, BFAdapPrefPosStep, 0);
122 MemNSetBitFieldNb (NBPtr, BFAdapPrefNegStep, 0);
123 MemNSetBitFieldNb (NBPtr, BFCohPrefPrbLmt, 1);
124 // Recommended settings for F2x11C
125 MemNSetBitFieldNb (NBPtr, BFMctWrLimit, 16);
126 MemNSetBitFieldNb (NBPtr, BFPrefCpuDis, 0);
127 MemNSetBitFieldNb (NBPtr, BFPrefIoDis, 0);
128 MemNSetBitFieldNb (NBPtr, BFFlushWrOnStpGnt, 1);
129 if (DramPrefetchMode == DISABLE_DRAM_PREFETCH_FOR_IO || DramPrefetchMode == DISABLE_DRAM_PREFETCHER) {
130 MemNSetBitFieldNb (NBPtr, BFPrefIoDis, 1);
133 if (DramPrefetchMode == DISABLE_DRAM_PREFETCH_FOR_CPU || DramPrefetchMode == DISABLE_DRAM_PREFETCHER) {
134 MemNSetBitFieldNb (NBPtr, BFPrefCpuDis, 1);
137 if (NBPtr->Node == BSP_DIE) {
138 if (!NBPtr->ClToNbFlag) {
139 LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
140 SMsr.lo &= ~((UINT32)1 << 15); // ClLinesToNbDis
141 LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
144 LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
145 SMsr.hi &= ~((UINT32)1 << (48 - 32)); // WbEnhWsbDis
146 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
149 return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
152 /* -----------------------------------------------------------------------------*/
156 * This function sets initial values in BUCFG and BUCFG2
158 * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
160 * @return TRUE - No fatal error occurs.
161 * @return FALSE - Fatal error occurs.
165 MemNInitializeMctDr (
166 IN OUT MEM_NB_BLOCK *NBPtr
169 MEM_DATA_STRUCT *MemPtr;
172 MemPtr = NBPtr->MemPtr;
174 if (NBPtr->Node == BSP_DIE) {
175 LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
176 if (SMsr.lo & ((UINT32)1 << 15)) {
177 NBPtr->ClToNbFlag = 1;
179 SMsr.lo |= (UINT32)1 << 15; // ClLinesToNbDis
180 LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
182 LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
183 SMsr.hi |= (UINT32)1 << (48 - 32); // WbEnhWsbDis
184 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
185 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
187 return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
190 /*----------------------------------------------------------------------------
193 *----------------------------------------------------------------------------