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 #include "mb_sysconf.h"
16 static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t devfn, uint8_t link0, uint16_t bitmap0,
17 uint8_t link1, uint16_t bitmap1, uint8_t link2, uint16_t bitmap2,uint8_t link3, uint16_t bitmap3,
18 uint8_t slot, uint8_t rfu)
21 pirq_info->devfn = devfn;
23 pirq_info->irq[0].link = link0;
24 pirq_info->irq[0].bitmap = bitmap0;
25 pirq_info->irq[1].link = link1;
26 pirq_info->irq[1].bitmap = bitmap1;
27 pirq_info->irq[2].link = link2;
28 pirq_info->irq[2].bitmap = bitmap2;
29 pirq_info->irq[3].link = link3;
30 pirq_info->irq[3].bitmap = bitmap3;
32 pirq_info->slot = slot;
37 extern void get_bus_conf(void);
39 unsigned long write_pirq_routing_table(unsigned long addr)
42 struct irq_routing_table *pirq;
43 struct irq_info *pirq_info;
50 struct mb_sysconf_t *m;
52 get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c
56 /* Align the table to be 16 byte aligned. */
60 /* This table must be betweeen 0xf0000 & 0x100000 */
61 printk_info("Writing IRQ routing tables to 0x%x...", addr);
63 pirq = (void *)(addr);
64 v = (uint8_t *)(addr);
66 pirq->signature = PIRQ_SIGNATURE;
67 pirq->version = PIRQ_VERSION;
69 pirq->rtr_bus = m->bus_8111_0;
70 pirq->rtr_devfn = ((sysconf.sbdn+1)<<3)|0;
72 pirq->exclusive_irqs = 0;
74 pirq->rtr_vendor = 0x1022;
75 pirq->rtr_device = 0x746b;
77 pirq->miniport_data = 0;
79 memset(pirq->rfu, 0, sizeof(pirq->rfu));
81 pirq_info = (void *) ( &pirq->checksum + 1);
86 dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn+1,3));
88 /* initialize PCI interupts - these assignments depend
89 on the PCB routing of PINTA-D
96 pci_write_config16(dev, 0x56, 0xba53);
101 printk_debug("setting Onboard AMD Southbridge \n");
102 static const unsigned char slotIrqs_1_4[4] = { 3, 5, 10, 11 };
103 pci_assign_irqs(m->bus_8111_0, sysconf.sbdn+1, slotIrqs_1_4);
104 write_pirq_info(pirq_info, m->bus_8111_0, ((sysconf.sbdn+1)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
105 pirq_info++; slot_num++;
107 printk_debug("setting Onboard AMD USB \n");
108 static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 11};
109 pci_assign_irqs(m->bus_8111_1, 0, slotIrqs_8111_1_0);
110 write_pirq_info(pirq_info, m->bus_8111_1,0, 0, 0, 0, 0, 0, 0, 0x4, 0xdef8, 0, 0);
111 pirq_info++; slot_num++;
114 // write_pirq_info(pirq_info, m->bus_8132_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
115 // pirq_info++; slot_num++;
119 for(i=1; i< sysconf.hc_possible_num; i++) {
120 if(!(sysconf.pci1234[i] & 0x1) ) continue;
121 unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
122 unsigned devn = sysconf.hcdn[i] & 0xff;
124 write_pirq_info(pirq_info, busn, (devn<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
125 pirq_info++; slot_num++;
130 pirq->size = 32 + 16 * slot_num;
132 for (i = 0; i < pirq->size; i++)
135 sum = pirq->checksum - sum;
137 if (sum != pirq->checksum) {
138 pirq->checksum = sum;
141 printk_info("done.\n");
143 return (unsigned long) pirq_info;