1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/* $NoKeywords:$ */
/**
* @file
*
* mfodthermal.c
*
* On Dimm thermal management.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: (Mem/Feat)
* @e \$Revision: 44324 $ @e \$Date: 2010-12-22 02:16:51 -0700 (Wed, 22 Dec 2010) $
*
**/
/*****************************************************************************
*
* Copyright (C) 2012 Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***************************************************************************
*
*/
/*
*----------------------------------------------------------------------------
* MODULES USED
*
*----------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "mm.h"
#include "mn.h"
#include "mt.h"
#include "Ids.h"
#include "mfodthermal.h"
#include "Filecode.h"
CODE_GROUP (G2_PEI)
RDATA_GROUP (G2_PEI)
#define FILECODE PROC_MEM_FEAT_ODTHERMAL_MFODTHERMAL_FILECODE
/*----------------------------------------------------------------------------
* DEFINITIONS AND MACROS
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* TYPEDEFS AND STRUCTURES
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* PROTOTYPES OF LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------
* EXPORTED FUNCTIONS
*
*----------------------------------------------------------------------------
*/
/*-----------------------------------------------------------------------------*/
/**
*
* This function does On-Dimm thermal management.
*
* @param[in, out] *NBPtr - Pointer to the MEM_NB_BLOCK.
*
* @return TRUE - This feature is enabled.
* @return FALSE - This feature is not enabled.
*/
BOOLEAN
MemFOnDimmThermal (
IN OUT MEM_NB_BLOCK *NBPtr
)
{
UINT8 i;
UINT8 Dct;
CH_DEF_STRUCT *ChannelPtr;
MEM_DATA_STRUCT *MemPtr;
UINT8 *SpdBufferPtr;
UINT8 ThermalOp;
BOOLEAN ODTSEn;
BOOLEAN ExtendTmp;
ODTSEn = FALSE;
ExtendTmp = FALSE;
ASSERT (NBPtr != NULL);
MemPtr = NBPtr->MemPtr;
AGESA_TESTPOINT (TpProcMemOnDimmThermal, &MemPtr->StdHeader);
if (NBPtr->MCTPtr->NodeMemSize != 0) {
for (Dct = 0; Dct < NBPtr->DctCount; Dct++) {
NBPtr->SwitchDCT (NBPtr, Dct);
// Only go through the DCT if it is not disabled.
if (NBPtr->GetBitField (NBPtr, BFDisDramInterface) == 0) {
ChannelPtr = NBPtr->ChannelPtr;
// If Ganged mode is enabled, need to go through all dram devices on both DCTs.
if (!NBPtr->Ganged || (NBPtr->Dct != 1)) {
if (!(NBPtr->IsSupported[CheckSetSameDctODTsEn]) || (NBPtr->IsSupported[CheckSetSameDctODTsEn] && (NBPtr->Dct != 1))) {
ODTSEn = TRUE;
ExtendTmp = TRUE;
}
}
for (i = 0; i < MAX_DIMMS_PER_CHANNEL; i ++) {
if (NBPtr->TechPtr->GetDimmSpdBuffer (NBPtr->TechPtr, &SpdBufferPtr, i)) {
// Check byte 31: thermal and refresh option.
ThermalOp = SpdBufferPtr[THERMAL_OPT];
// Bit 3: ODTS readout
if (!((ThermalOp >> 3) & 1)) {
ODTSEn = FALSE;
}
// Bit 0: Extended Temperature Range.
if (!(ThermalOp & 1)) {
ExtendTmp = FALSE;
}
}
}
if (!NBPtr->Ganged || (NBPtr->Dct == 1)) {
// If in ganged mode, need to switch back to DCT0 to set the registers.
if (NBPtr->Ganged || NBPtr->IsSupported[CheckSetSameDctODTsEn]) {
NBPtr->SwitchDCT (NBPtr, 0);
ChannelPtr = NBPtr->ChannelPtr;
}
// If all dram devices on a DCT support ODTS
if (ODTSEn) {
NBPtr->SetBitField (NBPtr, BFODTSEn, 1);
}
ChannelPtr->ExtendTmp = ExtendTmp;
}
}
IDS_HDT_CONSOLE (MEM_FLOW, "\tDct %d\n", Dct);
IDS_HDT_CONSOLE (MEM_FLOW, "\t\tODTSEn = %d\n", ODTSEn);
IDS_HDT_CONSOLE (MEM_FLOW, "\t\tExtendTmp = %d\n", ExtendTmp);
}
}
return TRUE;
}
/*----------------------------------------------------------------------------
* LOCAL FUNCTIONS
*
*----------------------------------------------------------------------------
*/
|
