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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <AGESA.h>
#include <northbridge/amd/agesa/state_machine.h>
static const PCIe_PORT_DESCRIPTOR PortList[] = {
{
0,
PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 3, 3),
PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 5,
HotplugDisabled,
PcieGenMaxSupported,
PcieGenMaxSupported,
AspmL0sL1,
0x01,
0)
},
/* Initialize Port descriptor (PCIe port, Lanes 1, PCI Device Number 2, ...) */
{
0,
PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 2, 2),
PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 4,
HotplugDisabled,
PcieGenMaxSupported,
PcieGenMaxSupported,
AspmL0sL1,
0x02,
0)
},
/* Initialize Port descriptor (PCIe port, Lanes 2, PCI Device Number 2, ...) */
{
0,
PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 1, 1),
PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 3,
HotplugDisabled,
PcieGenMaxSupported,
PcieGenMaxSupported,
AspmL0sL1,
0x03,
0)
},
/* Initialize Port descriptor (PCIe port, Lanes 3, PCI Device Number 2, ...) */
{
0,
PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 0, 0),
PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 2,
HotplugDisabled,
PcieGenMaxSupported,
PcieGenMaxSupported,
AspmL0sL1,
0x04,
0)
},
/* Initialize Port descriptor (PCIe port, Lanes 4-7, PCI Device Number 4, ...) */
{
DESCRIPTOR_TERMINATE_LIST,
PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 4, 7),
PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db, 2, 1,
HotplugDisabled,
PcieGenMaxSupported,
PcieGenMaxSupported,
AspmL0sL1,
0x05,
0)
}
};
static const PCIe_COMPLEX_DESCRIPTOR PcieComplex = {
.Flags = DESCRIPTOR_TERMINATE_LIST,
.SocketId = 0,
.PciePortList = PortList,
.DdiLinkList = NULL,
};
void board_BeforeInitEarly(struct sysinfo *cb, AMD_EARLY_PARAMS *InitEarly)
{
InitEarly->GnbConfig.PcieComplexList = &PcieComplex;
InitEarly->PlatformConfig.CStateMode = CStateModeC6;
InitEarly->PlatformConfig.CpbMode = CpbModeAuto;
}
|
