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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2010 coresystems GmbH
* Copyright (C) 2009-2010 iWave Systems
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
static void usb_init(struct device *dev)
{
u32 reg32;
/* USB Specification says the device must be Bus Master */
printk(BIOS_DEBUG, "UHCI: Setting up controller.. ");
reg32 = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
/*Disable clock gating*/
reg32 = pci_read_config32(dev, 0xFC);
reg32 |= (1 << 2);
pci_write_config32(dev, 0xFC, reg32);
pci_write_config8(dev,0xF8,0x86);
pci_write_config8(dev,0xF9,0x0F);
pci_write_config8(dev,0xFA,0x06);
reg32 = pci_read_config32(dev, 0x4);
printk(BIOS_DEBUG, "PCI_COMMAND %x.\n",reg32);
reg32 = pci_read_config32(dev, 0x20);
printk(BIOS_DEBUG, "PCI_BASE %x.\n",reg32);
reg32 = pci_read_config32(dev, 0xFC);
printk(BIOS_DEBUG, "PCI_FD %x.\n",reg32);
printk(BIOS_DEBUG, "done.\n");
}
static void usb_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
if (!vendor || !device) {
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
pci_read_config32(dev, PCI_VENDOR_ID));
} else {
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
}
static struct pci_operations usb_pci_ops = {
.set_subsystem = usb_set_subsystem,
};
static struct device_operations usb_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = usb_init,
.scan_bus = 0,
.ops_pci = &usb_pci_ops,
};
/* */
static const struct pci_driver sch_usb0 __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x8114,
};
static const struct pci_driver sch_usb1 __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x8115,
};
static const struct pci_driver sch_usb2 __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = 0x8116,
};
|
