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
|
/*
* (C) 2004 Linux Networx
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <arch/ioapic.h>
#include "esb6300.h"
static void pic_init(struct device *dev)
{
uint16_t word;
/* Clear system errors */
word = pci_read_config16(dev, 0x06);
word |= 0xf900; /* Clear possible errors */
pci_write_config16(dev, 0x06, word);
/* enable interrupt lines */
pci_write_config8(dev, 0x3c, 0xff);
/* Setup the ioapic */
clear_ioapic(IO_APIC_ADDR + 0x10000);
}
static void pic_read_resources(device_t dev)
{
struct resource *res;
/* Get the normal pci resources of this device */
pci_dev_read_resources(dev);
/* Report the pic1 mbar resource */
res = new_resource(dev, 0x44);
res->base = IO_APIC_ADDR + 0x10000;
res->size = 256;
res->limit = res->base + res->size -1;
res->align = 8;
res->gran = 8;
res->flags = IORESOURCE_MEM | IORESOURCE_FIXED |
IORESOURCE_STORED | IORESOURCE_ASSIGNED;
dev->command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
}
static struct pci_operations lops_pci = {
/* Can we set the pci subsystem and device id? */
.set_subsystem = 0,
};
static struct device_operations pci_ops = {
.read_resources = pic_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pic_init,
.scan_bus = 0,
.enable = esb6300_enable,
.ops_pci = &lops_pci,
};
static const struct pci_driver pci_driver __pci_driver = {
.ops = &pci_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_6300ESB_APIC1,
};
|
