Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 1 | /* $NoKeywords:$ */ |
| 2 | /** |
| 3 | * @file |
| 4 | * |
| 5 | * mfodthermal.c |
| 6 | * |
| 7 | * On Dimm thermal management. |
| 8 | * |
| 9 | * @xrefitem bom "File Content Label" "Release Content" |
| 10 | * @e project: AGESA |
| 11 | * @e sub-project: (Mem/Feat) |
| 12 | * @e \$Revision: 35136 $ @e \$Date: 2010-07-16 11:29:48 +0800 (Fri, 16 Jul 2010) $ |
| 13 | * |
| 14 | **/ |
| 15 | /* |
| 16 | ***************************************************************************** |
| 17 | * |
| 18 | * Copyright (c) 2011, Advanced Micro Devices, Inc. |
| 19 | * All rights reserved. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 20 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 21 | * Redistribution and use in source and binary forms, with or without |
| 22 | * modification, are permitted provided that the following conditions are met: |
| 23 | * * Redistributions of source code must retain the above copyright |
| 24 | * notice, this list of conditions and the following disclaimer. |
| 25 | * * Redistributions in binary form must reproduce the above copyright |
| 26 | * notice, this list of conditions and the following disclaimer in the |
| 27 | * documentation and/or other materials provided with the distribution. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 28 | * * Neither the name of Advanced Micro Devices, Inc. nor the names of |
| 29 | * its contributors may be used to endorse or promote products derived |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 30 | * from this software without specific prior written permission. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 31 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 32 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 33 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 35 | * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY |
| 36 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 37 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 38 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 39 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 40 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 41 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Edward O'Callaghan | 1542a6f | 2014-07-06 19:24:06 +1000 | [diff] [blame] | 42 | * |
Frank Vibrans | 2b4c831 | 2011-02-14 18:30:54 +0000 | [diff] [blame] | 43 | * *************************************************************************** |
| 44 | * |
| 45 | */ |
| 46 | |
| 47 | /* |
| 48 | *---------------------------------------------------------------------------- |
| 49 | * MODULES USED |
| 50 | * |
| 51 | *---------------------------------------------------------------------------- |
| 52 | */ |
| 53 | |
| 54 | |
| 55 | |
| 56 | #include "AGESA.h" |
| 57 | #include "mm.h" |
| 58 | #include "mn.h" |
| 59 | #include "mt.h" |
| 60 | #include "Ids.h" |
| 61 | #include "mfodthermal.h" |
| 62 | #include "Filecode.h" |
| 63 | CODE_GROUP (G2_PEI) |
| 64 | RDATA_GROUP (G2_PEI) |
| 65 | |
| 66 | #define FILECODE PROC_MEM_FEAT_ODTHERMAL_MFODTHERMAL_FILECODE |
| 67 | |
| 68 | /*---------------------------------------------------------------------------- |
| 69 | * DEFINITIONS AND MACROS |
| 70 | * |
| 71 | *---------------------------------------------------------------------------- |
| 72 | */ |
| 73 | |
| 74 | /*---------------------------------------------------------------------------- |
| 75 | * TYPEDEFS AND STRUCTURES |
| 76 | * |
| 77 | *---------------------------------------------------------------------------- |
| 78 | */ |
| 79 | |
| 80 | /*---------------------------------------------------------------------------- |
| 81 | * PROTOTYPES OF LOCAL FUNCTIONS |
| 82 | * |
| 83 | *---------------------------------------------------------------------------- |
| 84 | */ |
| 85 | |
| 86 | /*---------------------------------------------------------------------------- |
| 87 | * EXPORTED FUNCTIONS |
| 88 | * |
| 89 | *---------------------------------------------------------------------------- |
| 90 | */ |
| 91 | /*-----------------------------------------------------------------------------*/ |
| 92 | /** |
| 93 | * |
| 94 | * This function does On-Dimm thermal management. |
| 95 | * |
| 96 | * @param[in, out] *NBPtr - Pointer to the MEM_NB_BLOCK. |
| 97 | * |
| 98 | * @return TRUE - This feature is enabled. |
| 99 | * @return FALSE - This feature is not enabled. |
| 100 | */ |
| 101 | |
| 102 | BOOLEAN |
| 103 | MemFOnDimmThermal ( |
| 104 | IN OUT MEM_NB_BLOCK *NBPtr |
| 105 | ) |
| 106 | { |
| 107 | UINT8 i; |
| 108 | UINT8 Dct; |
| 109 | CH_DEF_STRUCT *ChannelPtr; |
| 110 | MEM_DATA_STRUCT *MemPtr; |
| 111 | UINT8 *SpdBufferPtr; |
| 112 | UINT8 ThermalOp; |
| 113 | BOOLEAN ODTSEn; |
| 114 | BOOLEAN ExtendTmp; |
| 115 | |
| 116 | ODTSEn = FALSE; |
| 117 | ExtendTmp = FALSE; |
| 118 | |
| 119 | ASSERT (NBPtr != NULL); |
| 120 | MemPtr = NBPtr->MemPtr; |
| 121 | AGESA_TESTPOINT (TpProcMemOnDimmThermal, &MemPtr->StdHeader); |
| 122 | if (NBPtr->MCTPtr->NodeMemSize != 0) { |
| 123 | for (Dct = 0; Dct < NBPtr->DctCount; Dct++) { |
| 124 | NBPtr->SwitchDCT (NBPtr, Dct); |
| 125 | // Only go through the DCT if it is not disabled. |
| 126 | if (NBPtr->GetBitField (NBPtr, BFDisDramInterface) == 0) { |
| 127 | ChannelPtr = NBPtr->ChannelPtr; |
| 128 | // If Ganged mode is enabled, need to go through all dram devices on both DCTs. |
| 129 | if (!NBPtr->Ganged || (NBPtr->Dct != 1)) { |
| 130 | if (!(NBPtr->IsSupported[CheckSetSameDctODTsEn]) || (NBPtr->IsSupported[CheckSetSameDctODTsEn] && (NBPtr->Dct != 1))) { |
| 131 | ODTSEn = TRUE; |
| 132 | ExtendTmp = TRUE; |
| 133 | } |
| 134 | } |
| 135 | for (i = 0; i < MAX_DIMMS_PER_CHANNEL; i ++) { |
| 136 | if (NBPtr->TechPtr->GetDimmSpdBuffer (NBPtr->TechPtr, &SpdBufferPtr, i)) { |
| 137 | // Check byte 31: thermal and refresh option. |
| 138 | ThermalOp = SpdBufferPtr[THERMAL_OPT]; |
| 139 | // Bit 3: ODTS readout |
| 140 | if (!((ThermalOp >> 3) & 1)) { |
| 141 | ODTSEn = FALSE; |
| 142 | } |
| 143 | // Bit 0: Extended Temperature Range. |
| 144 | if (!(ThermalOp & 1)) { |
| 145 | ExtendTmp = FALSE; |
| 146 | } |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | if (!NBPtr->Ganged || (NBPtr->Dct == 1)) { |
| 151 | // If in ganged mode, need to switch back to DCT0 to set the registers. |
| 152 | if (NBPtr->Ganged || NBPtr->IsSupported[CheckSetSameDctODTsEn]) { |
| 153 | NBPtr->SwitchDCT (NBPtr, 0); |
| 154 | ChannelPtr = NBPtr->ChannelPtr; |
| 155 | } |
| 156 | // If all dram devices on a DCT support ODTS |
| 157 | if (ODTSEn) { |
| 158 | NBPtr->SetBitField (NBPtr, BFODTSEn, 1); |
| 159 | } |
| 160 | ChannelPtr->ExtendTmp = ExtendTmp; |
| 161 | } |
| 162 | } |
| 163 | IDS_HDT_CONSOLE (MEM_FLOW, "\tDct %d\n", Dct); |
| 164 | IDS_HDT_CONSOLE (MEM_FLOW, "\t\tODTSEn = %d\n", ODTSEn); |
| 165 | IDS_HDT_CONSOLE (MEM_FLOW, "\t\tExtendTmp = %d\n", ExtendTmp); |
| 166 | } |
| 167 | } |
| 168 | return TRUE; |
| 169 | } |
| 170 | |
| 171 | |
| 172 | /*---------------------------------------------------------------------------- |
| 173 | * LOCAL FUNCTIONS |
| 174 | * |
| 175 | *---------------------------------------------------------------------------- |
| 176 | */ |