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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/device.h>
#include <device/pci.h>
#include <device/pciexp.h>
#include <device/pci_ids.h>
#include <assert.h>
#if CONFIG(HAVE_ACPI_TABLES)
static const char *pcie_acpi_name(const struct device *dev)
{
assert(dev);
if (dev->path.type != DEVICE_PATH_PCI)
return NULL;
assert(dev->bus);
if (dev->bus->secondary == 0)
switch (dev->path.pci.devfn) {
case PCI_DEVFN(1, 0):
return "PEGP";
case PCI_DEVFN(1, 1):
return "PEG1";
case PCI_DEVFN(1, 2):
return "PEG2";
case PCI_DEVFN(6, 0):
return "PEG6";
};
struct device *const port = dev->bus->dev;
assert(port);
assert(port->bus);
if (dev->path.pci.devfn == PCI_DEVFN(0, 0) &&
port->bus->secondary == 0 &&
(port->path.pci.devfn == PCI_DEVFN(1, 0) ||
port->path.pci.devfn == PCI_DEVFN(1, 1) ||
port->path.pci.devfn == PCI_DEVFN(1, 2) ||
port->path.pci.devfn == PCI_DEVFN(6, 0)))
return "DEV0";
return NULL;
}
#endif
static struct device_operations device_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,
.init = pci_dev_init,
.ops_pci = &pci_dev_ops_pci,
#if CONFIG(HAVE_ACPI_TABLES)
.acpi_name = pcie_acpi_name,
#endif
};
static const unsigned short pci_device_ids[] = {
0x0101, 0x0105, 0x0109, 0x010d,
0x0151, 0x0155, 0x0159, 0x015d,
0,
};
static const struct pci_driver pch_pcie __pci_driver = {
.ops = &device_ops,
.vendor = PCI_VID_INTEL,
.devices = pci_device_ids,
};
|