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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Google 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 <device/device.h>
#include <device/pci_def.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <console/console.h>
#include <arch/io.h>
static void oxford_oxpcie_enable(device_t dev)
{
printk(BIOS_DEBUG, "Initializing Oxford OXPCIe952\n");
struct resource *res = find_resource(dev, 0x10);
if (!res) {
printk(BIOS_WARNING, "OXPCIe952: No UART resource found.\n");
return;
}
printk(BIOS_DEBUG, "OXPCIe952: Class=%x Revision ID=%x\n",
(read32(res->base) >> 8), (read32(res->base) & 0xff));
printk(BIOS_DEBUG, "OXPCIe952: %d UARTs detected.\n",
(read32(res->base + 4) & 3));
printk(BIOS_DEBUG, "OXPCIe952: UART BAR: 0x%x\n", (u32)res->base);
}
static void oxford_oxpcie_set_resources(struct device *dev)
{
pci_dev_set_resources(dev);
#if CONFIG_CONSOLE_SERIAL8250MEM
/* Re-initialize OXPCIe base address after set_resources */
uartmem_init();
#endif
}
static struct device_operations oxford_oxpcie_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = oxford_oxpcie_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = oxford_oxpcie_enable,
.scan_bus = 0,
};
static const struct pci_driver oxford_oxpcie_driver __pci_driver = {
.ops = &oxford_oxpcie_ops,
.vendor = 0x1415,
.device = 0xc158,
};
static const struct pci_driver oxford_oxpcie_driver_2 __pci_driver = {
.ops = &oxford_oxpcie_ops,
.vendor = 0x1415,
.device = 0xc11b,
};
|
