7 * Northbridge DR MCT supporting functions Recovery
9 * @xrefitem bom "File Content Label" "Release Content"
11 * @e sub-project: (Proc/Recovery/Mem)
12 * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 02:16:51 -0700 (Wed, 22 Dec 2010) $
15 /*****************************************************************************
17 * Copyright (C) 2012 Advanced Micro Devices, Inc.
18 * All rights reserved.
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21 * modification, are permitted provided that the following conditions are met:
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40 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 * ***************************************************************************
47 *----------------------------------------------------------------------------
50 *----------------------------------------------------------------------------
67 #define FILECODE PROC_RECOVERY_MEM_NB_DR_MRNMCTDR_FILECODE
68 /*----------------------------------------------------------------------------
69 * DEFINITIONS AND MACROS
71 *----------------------------------------------------------------------------
74 /*----------------------------------------------------------------------------
75 * TYPEDEFS AND STRUCTURES
77 *----------------------------------------------------------------------------
80 /*----------------------------------------------------------------------------
81 * PROTOTYPES OF LOCAL FUNCTIONS
83 *----------------------------------------------------------------------------
87 /*----------------------------------------------------------------------------
90 *----------------------------------------------------------------------------
94 /* -----------------------------------------------------------------------------*/
97 * This function sets final values in BUCFG and BUCFG2
99 * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
104 MemRecNFinalizeMctDR (
105 IN OUT MEM_NB_BLOCK *NBPtr
108 MEM_DATA_STRUCT *MemPtr;
111 MemPtr = NBPtr->MemPtr;
114 // Recommended settings for F2x11C
115 MemRecNSetBitFieldNb (NBPtr, BFMctWrLimit, 16);
116 MemRecNSetBitFieldNb (NBPtr, BFPrefCpuDis, 0);
117 MemRecNSetBitFieldNb (NBPtr, BFPrefIoDis, 0);
118 MemRecNSetBitFieldNb (NBPtr, BFFlushWrOnStpGnt, 1);
120 LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
121 if (!NBPtr->ClToNbFlag) {
122 SMsr.lo &= ~((UINT32) 1 << 15); // ClLinesToNbDis
124 LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
126 LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
127 SMsr.hi &= ~((UINT32) 1 << (48 - 32)); // WbEnhWsbDis
128 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
131 /* -----------------------------------------------------------------------------*/
134 * This function sets initial values in BUCFG and BUCFG2
136 * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
141 MemRecNInitializeMctDR (
142 IN OUT MEM_NB_BLOCK *NBPtr
145 MEM_DATA_STRUCT *MemPtr;
148 MemPtr = NBPtr->MemPtr;
150 LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
151 if (SMsr.lo & ((UINT32) 1 << 15)) {
152 NBPtr->ClToNbFlag = TRUE;
154 SMsr.lo |= (UINT32) 1 << 15; // ClLinesToNbDis
155 LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
157 LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
158 SMsr.hi |= (UINT32) 1 << (48 - 32); // WbEnhWsbDis
159 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
162 /*----------------------------------------------------------------------------
165 *----------------------------------------------------------------------------