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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include "i82801jx.h"
#include <device/pci_ehci.h>
static void usb_ehci_init(struct device *dev)
{
printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
printk(BIOS_DEBUG, "done.\n");
}
static void usb_ehci_set_subsystem(struct device *dev, unsigned int vendor,
unsigned int device)
{
u8 access_cntl;
access_cntl = pci_read_config8(dev, 0x80);
/* Enable writes to protected registers. */
pci_write_config8(dev, 0x80, access_cntl | 1);
pci_dev_set_subsystem(dev, vendor, device);
/* Restore protection. */
pci_write_config8(dev, 0x80, access_cntl);
}
static const unsigned short pci_device_ids[] = {
0x3a3a,
0x3a6a,
0x3a3c,
0x3a6c,
0
};
static struct pci_operations lops_pci = {
.set_subsystem = &usb_ehci_set_subsystem,
};
static struct device_operations usb_ehci_ops = {
.read_resources = pci_ehci_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = usb_ehci_init,
.ops_pci = &lops_pci,
};
static const struct pci_driver pch_usb_ehci1 __pci_driver = {
.ops = &usb_ehci_ops,
.vendor = PCI_VID_INTEL,
.devices = pci_device_ids,
};
|