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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
*
* 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>
#include <device/pci_ops.h>
#include <usbdebug_direct.h>
#include <arch/io.h>
#include "sb600.h"
static struct pci_operations lops_pci = {
.set_subsystem = pci_dev_set_subsystem,
};
static void usb_init(struct device *dev)
{
u8 byte;
u16 word;
u32 dword;
/* Enable OHCI0-4 and EHCI Controllers */
device_t sm_dev;
sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));
byte = pci_read_config8(sm_dev, 0x68);
byte |= 0x3F;
pci_write_config8(sm_dev, 0x68, byte);
/* RPR 5.2 Enables the USB PME Event,Enable USB resume support */
byte = pm_ioread(0x61);
byte |= 1 << 6;
pm_iowrite(0x61, byte);
byte = pm_ioread(0x65);
byte |= 1 << 2;
pm_iowrite(0x65, byte);
/* RPR 5.3 Support USB device wakeup from the S4/S5 state */
byte = pm_ioread(0x65);
byte &= ~(1 << 0);
pm_iowrite(0x65, byte);
/* RPR 5.6 Enable the USB controller to get reset by any software that generate a PCIRst# condition */
byte = pm_ioread(0x65);
byte |= (1 << 4);
pm_iowrite(0x65, byte);
/* RPR 5.11 Disable OHCI MSI Capability */
word = pci_read_config16(dev, 0x40);
word |= (0x1F << 8);
pci_write_config16(dev, 0x40, word);
/* RPR 5.8 Disable the OHCI Dynamic Power Saving feature */
dword = pci_read_config32(dev, 0x50);
dword &= ~(1 << 16);
pci_write_config32(dev, 0x50, dword);
/* RPR 5.12 Enable prevention of OHCI accessing the invalid system memory address range */
word = pci_read_config16(dev, 0x50);
word |= 1 << 15;
pci_write_config16(dev, 0x50, word);
/* RPR 5.15 Disable SMI handshake in between USB and ACPI for USB legacy support. */
/* The BIOS should always set this bit to prevent the malfunction on USB legacy keyboard/mouse support */
word = pci_read_config16(dev, 0x50);
word |= 1 << 12;
pci_write_config16(dev, 0x50, word);
}
static void usb_init2(struct device *dev)
{
u8 byte;
u16 word;
u32 dword;
u32 usb2_bar0;
/* dword = pci_read_config32(dev, 0xf8); */
/* dword |= 40; */
/* pci_write_config32(dev, 0xf8, dword); */
usb2_bar0 = pci_read_config32(dev, 0x10) & ~0xFF;
printk(BIOS_INFO, "usb2_bar0=0x%x\n", usb2_bar0);
/* RPR5.4 Enables the USB PHY auto calibration resister to match 45ohm resistence */
dword = 0x00020F00;
write32(usb2_bar0 + 0xC0, dword);
/* RPR5.5 Sets In/OUT FIFO threshold for best performance */
dword = 0x00200040;
write32(usb2_bar0 + 0xA4, dword);
/* RPR5.9 Disable the EHCI Dynamic Power Saving feature */
word = read16(usb2_bar0 + 0xBC);
word &= ~(1 << 12);
write16(usb2_bar0 + 0xBC, word);
/* RPR5.10 Disable EHCI MSI support */
byte = pci_read_config8(dev, 0x50);
byte |= (1 << 6);
pci_write_config8(dev, 0x50, byte);
/* RPR5.13 Disable C3 time enhancement feature */
dword = pci_read_config32(dev, 0x50);
dword &= ~(1 << 28);
pci_write_config32(dev, 0x50, dword);
/* RPR5.14 Disable USB PHY PLL Reset signal to come from ACPI */
byte = pci_read_config8(dev, 0x54);
byte &= ~(1 << 0);
pci_write_config8(dev, 0x54, byte);
}
static void usb_set_resources(struct device *dev)
{
#if CONFIG_USBDEBUG_DIRECT
struct resource *res;
u32 base;
u32 old_debug;
old_debug = get_ehci_debug();
set_ehci_debug(0);
#endif
pci_dev_set_resources(dev);
#if CONFIG_USBDEBUG_DIRECT
res = find_resource(dev, 0x10);
set_ehci_debug(old_debug);
if (!res)
return;
base = res->base;
set_ehci_base(base);
report_resource_stored(dev, res, "");
#endif
}
static struct device_operations usb_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = usb_set_resources, /* pci_dev_set_resources, */
.enable_resources = pci_dev_enable_resources,
.init = usb_init,
/*.enable = sb600_enable, */
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const struct pci_driver usb_0_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_0,
};
static const struct pci_driver usb_1_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_1,
};
static const struct pci_driver usb_2_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_2,
};
static const struct pci_driver usb_3_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_3,
};
static const struct pci_driver usb_4_driver __pci_driver = {
.ops = &usb_ops,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB_4,
};
static struct device_operations usb_ops2 = {
.read_resources = pci_dev_read_resources,
.set_resources = usb_set_resources, /* pci_dev_set_resources, */
.enable_resources = pci_dev_enable_resources,
.init = usb_init2,
/*.enable = sb600_enable, */
.scan_bus = 0,
.ops_pci = &lops_pci,
};
static const struct pci_driver usb_5_driver __pci_driver = {
.ops = &usb_ops2,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_DEVICE_ID_ATI_SB600_USB2,
};
|
