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
|
/* This file was generated by getpir.c, do not modify!
(but if you do, please run checkpir on it to verify)
Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up
Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
*/
#include <console/console.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
#include <arch/pirq_routing.h>
#include <cpu/amd/amdk8_sysconf.h>
static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0,
uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
uint8_t slot, uint8_t rfu)
{
pirq_info->bus = bus;
pirq_info->devfn = devfn;
pirq_info->irq[0].link = link0;
pirq_info->irq[0].bitmap = bitmap0;
pirq_info->irq[1].link = link1;
pirq_info->irq[1].bitmap = bitmap1;
pirq_info->irq[2].link = link2;
pirq_info->irq[2].bitmap = bitmap2;
pirq_info->irq[3].link = link3;
pirq_info->irq[3].bitmap = bitmap3;
pirq_info->slot = slot;
pirq_info->rfu = rfu;
}
extern unsigned char bus_8131_0;
extern unsigned char bus_8131_1;
extern unsigned char bus_8131_2;
extern unsigned char bus_8111_0;
extern unsigned char bus_8111_1;
extern unsigned sbdn3;
unsigned long write_pirq_routing_table(unsigned long addr)
{
struct irq_routing_table *pirq;
struct irq_info *pirq_info;
unsigned slot_num;
uint8_t *v;
uint8_t sum=0;
int i;
get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c
/* Align the table to be 16 byte aligned. */
addr += 15;
addr &= ~15;
/* This table must be between 0xf0000 & 0x100000 */
printk(BIOS_INFO, "Writing IRQ routing tables to 0x%lx...", addr);
pirq = (void *)(addr);
v = (uint8_t *)(addr);
pirq->signature = PIRQ_SIGNATURE;
pirq->version = PIRQ_VERSION;
pirq->rtr_bus = bus_8111_0;
pirq->rtr_devfn = ((sysconf.sbdn+1)<<3)|0;
pirq->exclusive_irqs = 0;
pirq->rtr_vendor = 0x1022;
pirq->rtr_device = 0x746b;
pirq->miniport_data = 0;
memset(pirq->rfu, 0, sizeof(pirq->rfu));
pirq_info = (void *) ( &pirq->checksum + 1);
slot_num = 0;
//pci bridge
write_pirq_info(pirq_info, bus_8111_0, ((sysconf.sbdn+1)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
pirq_info++; slot_num++;
//pcix bridge
// write_pirq_info(pirq_info, bus_8131_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
// pirq_info++; slot_num++;
pirq_info++; slot_num++;
pirq->size = 32 + 16 * slot_num;
for (i = 0; i < pirq->size; i++)
sum += v[i];
sum = pirq->checksum - sum;
if (sum != pirq->checksum) {
pirq->checksum = sum;
}
printk(BIOS_INFO, "done.\n");
return (unsigned long) pirq_info;
}
|
