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
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
/** @file
Implement Platform ID code.
Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Uefi.h>
#include <Library/BaseMemoryLib.h>
#include <Library/I2CLib.h>
#include <Library/GpioLib.h>
#include <Guid/PlatformInfo.h>
#include "PlatformId.h"
/**
Read in GPIO state and return it.
**/
BOOLEAN
IsThisMinnow (
VOID
)
{
UINT32 CommAndOffset = NW_GPIO_215;
BXT_CONF_PAD0 PadConfg0;
BXT_CONF_PAD1 PadConfg1;
BOOLEAN ReturnValue;
if (PcdGetBool (PcdMinnowBoardDetectionRun)) {
//
// Already detected this. Return stored value.
//
ReturnValue = PcdGetBool (PcdMinnowBoardDetected);
DEBUG ((EFI_D_INFO, "Already detected. Returning stored value = %x\n", ReturnValue));
} else {
//
// Enable GPI mode with a pull-up
//
PadConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
PadConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
PadConfg0.r.PMode = M0; // Set to GPIO mode
PadConfg0.r.GPIORxTxDis = GPI; // Set to GPI
PadConfg1.r.IOSTerm = EnPu; // Enable pull-up
PadConfg1.r.Term = P_20K_H; // Set to 20K pull-up
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, PadConfg0.padCnf0);
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, PadConfg1.padCnf1);
//
// Read in GPI state and set return value
//
PadConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
ReturnValue = (BOOLEAN) PadConfg0.r.GPIORxState;
//
// Set detection PCDs
//
PcdSetBoolS (PcdMinnowBoardDetectionRun, TRUE);
PcdSetBoolS (PcdMinnowBoardDetected, ReturnValue);
}
//
// Return answer
//
return ReturnValue;
}
EFI_STATUS
EFIAPI
GetEmbeddedBoardIdFabId(
IN CONST EFI_PEI_SERVICES **PeiServices,
OUT UINT8 *BoardId,
OUT UINT8 *FabId
)
{
BXT_CONF_PAD0 padConfg0;
BXT_CONF_PAD1 padConfg1;
IN UINT32 CommAndOffset;
DEBUG ((DEBUG_INFO, "GetEmbeddedBoardIdFabId++\n"));
//
// Set BoardId & FabId
//
if (IsThisMinnow ()) {
//
// NW_PMIC_PWRGOOD says this is a Minnow board. Force Minnow defaults.
//
*BoardId = BOARD_ID_MINNOW;
*FabId = PcdGet8 (PcdDefaultFabId);
DEBUG ((EFI_D_INFO, "BoardId forced from NW_GPIO_215 detection: %02X\n", *BoardId));
DEBUG ((EFI_D_INFO, " FabId forced from NW_GPIO_215 detection: %02X\n", *FabId));
} else {
//
// Board_ID0: PMIC_STDBY
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00F0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0; // Set to GPIO mode
padConfg0.r.GPIORxTxDis = 0x1; // Set to GPI
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
//
// Set to Pull Up 20K
//
padConfg1.r.Term = 0xC;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Board_ID1: PMIC_SDWN_B
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00D0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Board_ID2: PMIC_RESET_B
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00C8);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Board_ID3: PMIC_PWRGOOD
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00C0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
*BoardId = (UINT8) (((GpioPadRead (GetCommOffset (NORTHWEST, 0x00F0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x00D0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 1) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x00C8) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 2));
DEBUG ((DEBUG_INFO, "BoardId from PMIC strap: %02X\n", *BoardId));
//
// Fab_ID0: PMIC_I2C_SDA
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x0108);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Set to Pull Up 20K
//
padConfg1.r.Term = 0xC;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Fab_ID1: PMIC_I2C_SCL
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x0100);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//Set to Pull Up 20K
padConfg1.r.Term = 0xC;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Fab_ID2: PMIC_BCUDISW2
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00D8);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Set to Pull Up 20K
//
padConfg1.r.Term = 0xC;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Fab_ID3: PMIC_BCUDISCRIT
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00E0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Set to Pull Up 20K
//
padConfg1.r.Term = 0xC;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
*FabId = (UINT8) (((GpioPadRead (GetCommOffset (NORTHWEST, 0x0108) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x0100) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 1) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x00D8) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 2) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x00E0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 3));
DEBUG ((EFI_D_INFO, "FabId from PMIC strap: %02X\n", *FabId));
}
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
GetIVIBoardIdFabId (
IN CONST EFI_PEI_SERVICES **PeiServices,
OUT UINT8 *BoardId,
OUT UINT8 *FabId
)
{
BXT_CONF_PAD0 padConfg0;
BXT_CONF_PAD1 padConfg1;
IN UINT32 CommAndOffset;
DEBUG ((DEBUG_INFO, "GetIVIBoardIdFabId++\n"));
//
// Board_ID0: GPIO_62
//
CommAndOffset = GetCommOffset (NORTH, 0x0190);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
padConfg1.r.IOSTerm = 0x3; //Enable Pullup
padConfg1.r.Term = 0xC; //20k wpu
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Board_ID1: GPIO_63
//
CommAndOffset = GetCommOffset (NORTH, 0x0198);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
padConfg1.r.IOSTerm = 0x3; //Enable Pullup
padConfg1.r.Term = 0xC; //20k wpu
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Board_ID2: GPIO_64
//
CommAndOffset = GetCommOffset (NORTH, 0x01A0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
padConfg1.r.IOSTerm = 0x3; //Enable Pullup
padConfg1.r.Term = 0xC; //20k wpu
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Board_ID3: GPIO_65
//
CommAndOffset = GetCommOffset (NORTH, 0x01A8);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
padConfg1.r.IOSTerm = 0x3; //Enable Pullup
padConfg1.r.Term = 0xC; //20k wpu
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
*BoardId = (UINT8) (((GpioPadRead (GetCommOffset (NORTH, 0x0190) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) | \
(((GpioPadRead (GetCommOffset (NORTH, 0x0198) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 1) | \
(((GpioPadRead (GetCommOffset (NORTH, 0x01A0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 2) | \
(((GpioPadRead (GetCommOffset (NORTH, 0x01A8) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 3));
return EFI_SUCCESS;
}
|