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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
|
/* $NoKeywords:$ */
/**
* @file
*
* AMD CPU Warm Reset Implementation.
*
* Implement Warm Reset Interface.
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: CPU
* @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
*
*/
/*
******************************************************************************
*
* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
*
* AMD is granting you permission to use this software (the Materials)
* pursuant to the terms and conditions of your Software License Agreement
* with AMD. This header does *NOT* give you permission to use the Materials
* or any rights under AMD's intellectual property. Your use of any portion
* of these Materials shall constitute your acceptance of those terms and
* conditions. If you do not agree to the terms and conditions of the Software
* License Agreement, please do not use any portion of these Materials.
*
* CONFIDENTIALITY: The Materials and all other information, identified as
* confidential and provided to you by AMD shall be kept confidential in
* accordance with the terms and conditions of the Software License Agreement.
*
* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE
* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES,
* THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
*
* AMD does not assume any responsibility for any errors which may appear in
* the Materials or any other related information provided to you by AMD, or
* result from use of the Materials or any related information.
*
* You agree that you will not reverse engineer or decompile the Materials.
*
* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any
* further information, software, technical information, know-how, or show-how
* available to you. Additionally, AMD retains the right to modify the
* Materials at any time, without notice, and is not obligated to provide such
* modified Materials to you.
*
* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with
* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is
* subject to the restrictions as set forth in FAR 52.227-14 and
* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the
* Government constitutes acknowledgement of AMD's proprietary rights in them.
*
* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any
* direct product thereof will be exported directly or indirectly, into any
* country prohibited by the United States Export Administration Act and the
* regulations thereunder, without the required authorization from the U.S.
* government nor will be used for any purpose prohibited by the same.
******************************************************************************
*/
/*----------------------------------------------------------------------------------------
* M O D U L E S U S E D
*----------------------------------------------------------------------------------------
*/
#include "AGESA.h"
#include "cpuRegisters.h"
#include "cpuServices.h"
#include "cpuFamilyTranslation.h"
#include "Filecode.h"
CODE_GROUP (G1_PEICC)
RDATA_GROUP (G1_PEICC)
#define FILECODE PROC_CPU_CPUWARMRESET_FILECODE
/*----------------------------------------------------------------------------------------
* D E F I N I T I O N S A N D M A C R O S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* T Y P E D E F S A N D S T R U C T U R E S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* P R O T O T Y P E S O F L O C A L F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
/*---------------------------------------------------------------------------------------*/
/**
* This function will set the CPU register warm reset bits.
*
* Note: This function will be called by UEFI BIOS's
* The UEFI wrapper code should register this function, to be called back later point
* in time, before the wrapper code does warm reset.
*
* @param[in] StdHeader Config handle for library and services
* @param[in] Request Indicate warm reset status
*
*---------------------------------------------------------------------------------------
**/
VOID
SetWarmResetFlag (
IN AMD_CONFIG_PARAMS *StdHeader,
IN WARM_RESET_REQUEST *Request
)
{
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
FamilySpecificServices = NULL;
GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
FamilySpecificServices->SetWarmResetFlag (FamilySpecificServices, StdHeader, Request);
}
/*---------------------------------------------------------------------------------------*/
/**
* This function will get the CPU register warm reset bits.
*
* Note: This function will be called by UEFI BIOS's
* The UEFI wrapper code should register this function, to be called back later point
* in time, before the wrapper code does warm reset.
*
* @param[in] StdHeader Config handle for library and services
* @param[out] Request Indicate warm reset status
*
*---------------------------------------------------------------------------------------
**/
VOID
GetWarmResetFlag (
IN AMD_CONFIG_PARAMS *StdHeader,
OUT WARM_RESET_REQUEST *Request
)
{
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
FamilySpecificServices = NULL;
GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetWarmResetFlag (FamilySpecificServices, StdHeader, Request);
switch (StdHeader->Func) {
case AMD_INIT_RESET:
Request->PostStage = (UINT8) WR_STATE_RESET;
break;
case AMD_INIT_EARLY:
Request->PostStage = (UINT8) WR_STATE_EARLY;
break;
case AMD_INIT_POST:
// Fall through to default case
default:
Request->PostStage = (UINT8) WR_STATE_POST;
break;
}
}
/*----------------------------------------------------------------------------------------
* E X P O R T E D F U N C T I O N S - (AGESA ONLY)
*----------------------------------------------------------------------------------------
*/
/*---------------------------------------------------------------------------------------*/
/**
* Is this boot a warm reset?
*
* This function reads the CPU register warm reset bit that is preserved after a warm reset.
* Which in fact gets set before issuing warm reset. We just use the BSP's register always.
*
* @param[in] StdHeader Config handle for library and services
*
* @retval TRUE Warm Reset
* @retval FALSE Not Warm Reset
*
*/
BOOLEAN
IsWarmReset (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
UINT8 PostStage;
WARM_RESET_REQUEST Request;
BOOLEAN WarmReset;
CPU_SPECIFIC_SERVICES *FamilySpecificServices;
FamilySpecificServices = NULL;
switch (StdHeader->Func) {
case AMD_INIT_RESET:
PostStage = WR_STATE_RESET;
break;
case AMD_INIT_EARLY:
PostStage = WR_STATE_EARLY;
break;
case AMD_INIT_POST:
default:
PostStage = WR_STATE_POST;
break;
}
GetCpuServicesOfCurrentCore ((CONST CPU_SPECIFIC_SERVICES **)&FamilySpecificServices, StdHeader);
FamilySpecificServices->GetWarmResetFlag (FamilySpecificServices, StdHeader, &Request);
if (Request.StateBits >= PostStage) {
WarmReset = TRUE;
} else {
WarmReset = FALSE;
}
return WarmReset;
}
/*---------------------------------------------------------------------------------------*/
/**
* This function will set the CPU register warm reset bits at AmdInitEarly if it is
* currently in cold boot. To request for a warm reset, set the RequestBit to TRUE
* and the StateBits to (current poststage - 1)
*
* @param[in] Data The table data value (unused in this routine)
* @param[in] StdHeader Config handle for library and services
*
*---------------------------------------------------------------------------------------
**/
VOID
SetWarmResetAtEarly (
IN UINT32 Data,
IN AMD_CONFIG_PARAMS *StdHeader
)
{
WARM_RESET_REQUEST Request;
if (!IsWarmReset (StdHeader)) {
GetWarmResetFlag (StdHeader, &Request);
Request.RequestBit = TRUE;
Request.StateBits = (Request.PostStage - 1);
SetWarmResetFlag (StdHeader, &Request);
}
}
/*----------------------------------------------------------------------------------------
* L O C A L F U N C T I O N S
*----------------------------------------------------------------------------------------
*/
|
