7 * Northbridge C32 MCT supporting functions
9 * @xrefitem bom "File Content Label" "Release Content"
11 * @e sub-project: (Mem/NB/C32)
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
67 #define FILECODE PROC_MEM_NB_C32_MNMCTC32_FILECODE
68 /*----------------------------------------------------------------------------
69 * DEFINITIONS AND MACROS
71 *----------------------------------------------------------------------------
74 /*----------------------------------------------------------------------------
75 * TYPEDEFS AND STRUCTURES
77 *----------------------------------------------------------------------------
80 /*----------------------------------------------------------------------------
81 * PROTOTYPES OF LOCAL FUNCTIONS
83 *----------------------------------------------------------------------------
87 /*----------------------------------------------------------------------------
90 *----------------------------------------------------------------------------
92 extern BUILD_OPT_CFG UserOptions;
94 /* -----------------------------------------------------------------------------*/
98 * This function sets final values in BUCFG and BUCFG2
100 * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
102 * @return TRUE - No fatal error occurs.
103 * @return FALSE - Fatal error occurs.
108 IN OUT MEM_NB_BLOCK *NBPtr
111 MEM_DATA_STRUCT *MemPtr;
112 DRAM_PREFETCH_MODE DramPrefetchMode;
115 UINT32 ExtMctCfgLoRegVal;
117 MemPtr = NBPtr->MemPtr;
118 DramPrefetchMode = MemPtr->PlatFormConfig->PlatformProfile.AdvancedPerformanceProfile.DramPrefetchMode;
119 Speed = NBPtr->DCTPtr->Timings.Speed;
120 MemNSetBitFieldNb (NBPtr, BFMctCfgHiReg, (!NBPtr->Ganged) ? 0x2CE00F60 : 0x2CE00F40);
122 ExtMctCfgLoRegVal = MemNGetBitFieldNb (NBPtr, BFExtMctCfgLoReg);
123 ExtMctCfgLoRegVal |= (NBPtr->Ganged) ? 0x0FC00001 : 0x0FC01001;
125 ExtMctCfgLoRegVal &= 0x0FFFFFFF;
126 if (Speed == DDR667_FREQUENCY) {
127 ExtMctCfgLoRegVal |= 0x40000000;
128 } else if (Speed == DDR800_FREQUENCY) {
129 ExtMctCfgLoRegVal |= 0x50000000;
130 } else if (Speed == DDR1066_FREQUENCY) {
131 ExtMctCfgLoRegVal |= 0x60000000;
132 } else if (Speed == DDR1333_FREQUENCY) {
133 ExtMctCfgLoRegVal |= 0x80000000;
135 ExtMctCfgLoRegVal |= 0x90000000;
138 // PrefFiveConf, PrefFourConf
140 ExtMctCfgLoRegVal |= 0x0FC00000;
144 if (!NBPtr->Ganged) {
145 ExtMctCfgLoRegVal |= 0x00001000;
147 MemNSetBitFieldNb (NBPtr, BFExtMctCfgLoReg, ExtMctCfgLoRegVal);
149 if (DramPrefetchMode == DISABLE_DRAM_PREFETCH_FOR_IO || DramPrefetchMode == DISABLE_DRAM_PREFETCHER) {
150 MemNSetBitFieldNb (NBPtr, BFPrefIoDis, 1);
153 if (DramPrefetchMode == DISABLE_DRAM_PREFETCH_FOR_CPU || DramPrefetchMode == DISABLE_DRAM_PREFETCHER) {
154 MemNSetBitFieldNb (NBPtr, BFPrefCpuDis, 1);
157 if (NBPtr->Node == BSP_DIE) {
158 if (!NBPtr->ClToNbFlag) {
159 LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
160 SMsr.lo &= ~((UINT32)1 << 15); // ClLinesToNbDis
161 LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
164 LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
165 SMsr.hi &= ~((UINT32)1 << (48 - 32)); // WbEnhWsbDis
166 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
169 return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
172 /* -----------------------------------------------------------------------------*/
176 * This function sets initial values in BUCFG and BUCFG2
178 * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
180 * @return TRUE - No fatal error occurs.
181 * @return FALSE - Fatal error occurs.
185 MemNInitializeMctC32 (
186 IN OUT MEM_NB_BLOCK *NBPtr
189 MEM_DATA_STRUCT *MemPtr;
192 MemPtr = NBPtr->MemPtr;
194 if (NBPtr->Node == BSP_DIE) {
195 LibAmdMsrRead (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
196 if (SMsr.lo & ((UINT32)1 << 15)) {
197 NBPtr->ClToNbFlag = 1;
199 SMsr.lo |= (UINT32)1 << 15; // ClLinesToNbDis
200 LibAmdMsrWrite (BU_CFG2, (UINT64 *)&SMsr, &MemPtr->StdHeader);
202 LibAmdMsrRead (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
203 SMsr.hi |= (UINT32)1 << (48 - 32); // WbEnhWsbDis
204 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
205 LibAmdMsrWrite (BU_CFG, (UINT64 *)&SMsr, &MemPtr->StdHeader);
207 return (BOOLEAN) (NBPtr->MCTPtr->ErrCode < AGESA_FATAL);
210 /*----------------------------------------------------------------------------
213 *----------------------------------------------------------------------------