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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Chromium OS Authors
*
* 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 <arch/io.h>
#include <console/console.h>
#include <delay.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include "chip.h"
#include "northbridge.h"
/* some vga option roms are used for several chipsets but they only have one
* PCI ID in their header. If we encounter such an option rom, we need to do
* the mapping ourselfes
*/
u32 map_oprom_vendev(u32 vendev)
{
u32 new_vendev=vendev;
switch (vendev) {
case 0x80860102: /* GT1 Desktop */
case 0x8086010a: /* GT1 Server */
case 0x80860112: /* GT2 Desktop */
case 0x80860116: /* GT2 Mobile */
case 0x80860122: /* GT2 Desktop >=1.3GHz */
case 0x80860126: /* GT2 Mobile >=1.3GHz */
case 0x80860166: /* IVB */
new_vendev=0x80860106; /* GT1 Mobile */
break;
}
return new_vendev;
}
static void gma_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 gma_pci_ops = {
.set_subsystem = gma_set_subsystem,
};
static struct device_operations gma_func0_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pci_dev_init,
.scan_bus = 0,
.enable = 0,
.ops_pci = &gma_pci_ops,
};
static const unsigned short gma_ids[] = {
0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x166,
0,
};
static const struct pci_driver gma_gt1_desktop __pci_driver = {
.ops = &gma_func0_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices= gma_ids,
};
|
