/* 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 #include #include #include #include #include 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 char bus_8151_0; extern unsigned char bus_8151_1; extern unsigned sbdn3; extern unsigned sbdn5; 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 betweeen 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++; //agp bridge write_pirq_info(pirq_info, bus_8151_0, (sbdn5<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); 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; }