1 /* This file was generated by getpir.c, do not modify!
2 (but if you do, please run checkpir on it to verify)
3 Contains the IRQ Routing Table dumped directly from your memory , wich BIOS sets up
5 Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
7 #include <console/console.h>
8 #include <device/pci.h>
11 #include <arch/pirq_routing.h>
12 #include <cpu/amd/amdk8_sysconf.h>
14 static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0,
15 uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
16 uint8_t slot, uint8_t rfu)
19 pirq_info->devfn = devfn;
20 pirq_info->irq[0].link = link0;
21 pirq_info->irq[0].bitmap = bitmap0;
22 pirq_info->irq[1].link = link1;
23 pirq_info->irq[1].bitmap = bitmap1;
24 pirq_info->irq[2].link = link2;
25 pirq_info->irq[2].bitmap = bitmap2;
26 pirq_info->irq[3].link = link3;
27 pirq_info->irq[3].bitmap = bitmap3;
28 pirq_info->slot = slot;
32 extern unsigned char bus_8132_0;
33 extern unsigned char bus_8132_1;
34 extern unsigned char bus_8132_2;
35 extern unsigned char bus_8111_0;
36 extern unsigned char bus_8111_1;
37 extern unsigned char bus_8151_0;
38 extern unsigned char bus_8151_1;
40 extern unsigned sbdn3;
41 extern unsigned sbdn5;
43 extern void get_bus_conf(void);
45 unsigned long write_pirq_routing_table(unsigned long addr)
48 struct irq_routing_table *pirq;
49 struct irq_info *pirq_info;
56 get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c
58 /* Align the table to be 16 byte aligned. */
62 /* This table must be betweeen 0xf0000 & 0x100000 */
63 printk_info("Writing IRQ routing tables to 0x%x...", addr);
65 pirq = (void *)(addr);
66 v = (uint8_t *)(addr);
68 pirq->signature = PIRQ_SIGNATURE;
69 pirq->version = PIRQ_VERSION;
71 pirq->rtr_bus = bus_8111_0;
72 pirq->rtr_devfn = ((sysconf.sbdn+1)<<3)|0;
74 pirq->exclusive_irqs = 0;
76 pirq->rtr_vendor = 0x1022;
77 pirq->rtr_device = 0x746b;
79 pirq->miniport_data = 0;
81 memset(pirq->rfu, 0, sizeof(pirq->rfu));
83 pirq_info = (void *) ( &pirq->checksum + 1);
86 write_pirq_info(pirq_info, bus_8111_0, ((sysconf.sbdn+1)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
87 pirq_info++; slot_num++;
89 // write_pirq_info(pirq_info, bus_8132_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
90 // pirq_info++; slot_num++;
92 if(sysconf.pci1234[1] & 0xf) {
94 write_pirq_info(pirq_info, bus_8151_0, (sbdn5<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
97 pirq_info++; slot_num++;
99 pirq->size = 32 + 16 * slot_num;
101 for (i = 0; i < pirq->size; i++)
104 sum = pirq->checksum - sum;
106 if (sum != pirq->checksum) {
107 pirq->checksum = sum;
110 printk_info("done.\n");
112 return (unsigned long) pirq_info;