/* 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 #include "mb_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; } 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; struct mb_sysconf_t *m; get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c m = sysconf.mb; /* 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 = m->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; { device_t dev; dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn+1,3)); if (dev) { /* initialize PCI interupts - these assignments depend on the PCB routing of PINTA-D PINTA = IRQ3 PINTB = IRQ5 PINTC = IRQ10 PINTD = IRQ11 */ pci_write_config16(dev, 0x56, 0xba53); } } //pci bridge printk(BIOS_DEBUG, "setting Onboard AMD Southbridge \n"); static const unsigned char slotIrqs_1_4[4] = { 3, 5, 10, 11 }; pci_assign_irqs(m->bus_8111_0, sysconf.sbdn+1, slotIrqs_1_4); write_pirq_info(pirq_info, m->bus_8111_0, ((sysconf.sbdn+1)<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); pirq_info++; slot_num++; printk(BIOS_DEBUG, "setting Onboard AMD USB \n"); static const unsigned char slotIrqs_8111_1_0[4] = { 0, 0, 0, 11}; pci_assign_irqs(m->bus_8111_1, 0, slotIrqs_8111_1_0); write_pirq_info(pirq_info, m->bus_8111_1,0, 0, 0, 0, 0, 0, 0, 0x4, 0xdef8, 0, 0); pirq_info++; slot_num++; //pcix bridge // write_pirq_info(pirq_info, m->bus_8132_0, (sbdn3<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); // pirq_info++; slot_num++; int j = 0; for(i=1; i< sysconf.hc_possible_num; i++) { if(!(sysconf.pci1234[i] & 0x1) ) continue; unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff; unsigned devn = sysconf.hcdn[i] & 0xff; write_pirq_info(pirq_info, busn, (devn<<3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); pirq_info++; slot_num++; j++; } 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; }