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
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <acpi/acpi_device.h>
#include <acpi/acpigen.h>
#include <acpi/acpigen_pci.h>
#include <amdblocks/amd_pci_util.h>
#include <assert.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pciexp.h>
#include <soc/pci_devs.h>
#include <stdio.h>
#include <stdlib.h>
static const char *pcie_gpp_acpi_name(const struct device *dev)
{
char *name;
if (dev->path.type != DEVICE_PATH_PCI)
return NULL;
name = malloc(ACPI_NAME_BUFFER_SIZE);
snprintf(name, ACPI_NAME_BUFFER_SIZE, "GP%02x", dev->path.pci.devfn);
name[4] = '\0';
return name;
}
static void acpi_device_write_gpp_pci_dev(const struct device *dev)
{
const char *scope = acpi_device_scope(dev);
const char *name = acpi_device_name(dev);
assert(dev->path.type == DEVICE_PATH_PCI);
assert(name);
assert(scope);
acpigen_write_scope(scope);
acpigen_write_device(name);
acpigen_write_ADR_pci_device(dev);
acpigen_write_STA(acpi_device_status(dev));
acpigen_write_pci_GNB_PRT(dev);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
}
static struct device_operations internal_pcie_gpp_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.scan_bus = pci_scan_bridge,
.reset_bus = pci_bus_reset,
.acpi_name = pcie_gpp_acpi_name,
.acpi_fill_ssdt = acpi_device_write_gpp_pci_dev,
};
static const struct pci_driver internal_pcie_gpp_driver __pci_driver = {
.ops = &internal_pcie_gpp_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_FAM17H_MODEL60H_PCIE_GPP_BUSABC,
};
static struct device_operations external_pcie_gpp_ops = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_bus_enable_resources,
.scan_bus = pciexp_scan_bridge,
.reset_bus = pci_bus_reset,
.acpi_name = pcie_gpp_acpi_name,
.acpi_fill_ssdt = acpi_device_write_gpp_pci_dev,
};
static const unsigned short external_pci_gpp_ids[] = {
PCI_DEVICE_ID_AMD_FAM17H_MODEL60H_PCIE_GPP_D1,
PCI_DEVICE_ID_AMD_FAM17H_MODEL60H_PCIE_GPP_D2,
0
};
static const struct pci_driver external_pcie_gpp_driver __pci_driver = {
.ops = &external_pcie_gpp_ops,
.vendor = PCI_VENDOR_ID_AMD,
.devices = external_pci_gpp_ids,
};
|
