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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <AGESA.h>
#include <amdlib.h>
#include <amdblocks/acpimmio.h>
#include <northbridge/amd/agesa/BiosCallOuts.h>
#include <SB800.h>
#include <southbridge/amd/cimx/sb800/gpio_oem.h>
#include <stdlib.h>
static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr);
static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINTN Data, VOID *ConfigPtr);
const BIOS_CALLOUT_STRUCT BiosCallouts[] =
{
{AGESA_DO_RESET, agesa_Reset },
{AGESA_READ_SPD, agesa_ReadSpd },
{AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },
{AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp },
{AGESA_GNB_PCIE_SLOT_RESET, board_GnbPcieSlotReset },
{AGESA_HOOKBEFORE_DRAM_INIT, board_BeforeDramInit },
{AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY, agesa_NoopSuccess },
{AGESA_HOOKBEFORE_DQS_TRAINING, agesa_NoopSuccess },
{AGESA_HOOKBEFORE_EXIT_SELF_REF, agesa_NoopSuccess },
};
const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts);
/* Call the host environment interface to provide a user hook opportunity. */
static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
AGESA_STATUS Status;
UINTN FcnData;
MEM_DATA_STRUCT *MemData;
UINT32 AcpiMmioAddr;
UINT32 GpioMmioAddr;
UINT8 Data8;
UINT8 TempData8;
FcnData = Data;
MemData = ConfigPtr;
Status = AGESA_SUCCESS;
AcpiMmioAddr = AMD_SB_ACPI_MMIO_ADDR;
GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
Data8 &= ~BIT5;
TempData8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
TempData8 &= 0x03;
TempData8 |= Data8;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, TempData8);
Data8 |= BIT2+BIT3;
Data8 &= ~BIT4;
TempData8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
TempData8 &= 0x23;
TempData8 |= Data8;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, TempData8);
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
Data8 &= ~BIT5;
TempData8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
TempData8 &= 0x03;
TempData8 |= Data8;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, TempData8);
Data8 |= BIT2+BIT3;
Data8 &= ~BIT4;
TempData8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
TempData8 &= 0x23;
TempData8 |= Data8;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, TempData8);
switch (MemData->ParameterListPtr->DDR3Voltage) {
case VOLT1_35:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
Data8 &= ~(UINT8)BIT6;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, Data8);
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
Data8 |= (UINT8)BIT6;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, Data8);
break;
case VOLT1_25:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
Data8 &= ~(UINT8)BIT6;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, Data8);
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
Data8 &= ~(UINT8)BIT6;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, Data8);
break;
case VOLT1_5:
default:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG178);
Data8 |= (UINT8)BIT6;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG178, Data8);
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG179);
Data8 &= ~(UINT8)BIT6;
Write64Mem8(GpioMmioAddr+SB_GPIO_REG179, Data8);
}
return Status;
}
/* PCIE slot reset control */
static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINTN Data, VOID *ConfigPtr)
{
AGESA_STATUS Status;
UINTN FcnData;
PCIe_SLOT_RESET_INFO *ResetInfo;
UINT32 GpioMmioAddr;
UINT32 AcpiMmioAddr;
UINT8 Data8;
FcnData = Data;
ResetInfo = ConfigPtr;
AcpiMmioAddr = AMD_SB_ACPI_MMIO_ADDR;
GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
Status = AGESA_UNSUPPORTED;
switch (ResetInfo->ResetId) {
case 4:
switch (ResetInfo->ResetControl) {
case AssertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG21);
Data8 &= ~(UINT8)BIT6;
/* MXM_GPIO0. GPIO21 */
Write64Mem8(GpioMmioAddr+SB_GPIO_REG21, Data8);
Status = AGESA_SUCCESS;
break;
case DeassertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG21);
Data8 |= BIT6;
/* MXM_GPIO0. GPIO21 */
Write64Mem8(GpioMmioAddr+SB_GPIO_REG21, Data8);
Status = AGESA_SUCCESS;
break;
}
break;
case 6:
switch (ResetInfo->ResetControl) {
case AssertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG25);
Data8 &= ~(UINT8)BIT6;
/* PCIE_RST#_LAN, GPIO25 */
Write64Mem8(GpioMmioAddr+SB_GPIO_REG25, Data8);
Status = AGESA_SUCCESS;
break;
case DeassertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG25);
Data8 |= BIT6;
/* PCIE_RST#_LAN, GPIO25 */
Write64Mem8(GpioMmioAddr+SB_GPIO_REG25, Data8);
Status = AGESA_SUCCESS;
break;
}
break;
case 7:
switch (ResetInfo->ResetControl) {
case AssertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG02);
Data8 &= ~(UINT8)BIT6;
/* MPCIE_RST0, GPIO02 */
Write64Mem8(GpioMmioAddr+SB_GPIO_REG02, Data8);
Status = AGESA_SUCCESS;
break;
case DeassertSlotReset:
Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG02);
Data8 |= BIT6;
/* MPCIE_RST0, GPIO02 */
Write64Mem8(GpioMmioAddr+SB_GPIO_REG02, Data8);
Status = AGESA_SUCCESS;
break;
}
break;
}
return Status;
}
|
