x86/pci/irq.c

3  *	Low-Level PCI Support for PC -- Routing of Interrupts
61  *  Check passed address for the PCI IRQ Routing Table signature
81 		DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n",  in pirq_check_routing_table()
91  *  Search 0xf0000 -- 0xfffff for the PCI IRQ Routing Table.
114  *  If we have a IRQ routing table, use it to search for peer host
173  * Common IRQ routing practice: nibbles in config space,
332  *	PIRQ routing for SiS 85C503 router used in several SiS chipsets.
338  *	  the routing registers, particularly for the onchip devices
340  *	For all routing registers the common thing is we have one byte
350  *	Apparently there are systems implementing PCI routing table using
355  *	definition of routing registers from the SiS-5595 southbridge.
361  *	They seem to work with the current routing code. However there is
365  *	Onchip routing for router rev-id 0x01/0xb0 and probably 0x00/0xb1:
379  *	IDE, ACPI and DAQ routing untouched as set by the BIOS.
386  *	Onchip routing for router rev-id 0x04 (try-and-error observation)
425  * VLSI: nibble offset 0x74 - educated guess due to routing table and
478 /* Support for AMD756 PCI IRQ Routing
827 		printk(KERN_INFO "PCI: Using BIOS for IRQ routing\n");  in pirq_find_router()
902 	/* Find IRQ routing entry */  in pcibios_lookup_irq()
909 		dev_dbg(&dev->dev, "PCI INT %c not found in routing table\n",  in pcibios_lookup_irq()
1010 				dev_info(&dev2->dev, "IRQ routing conflict: "  in pcibios_lookup_irq()
1077 		printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",  in fix_broken_hp_bios_irq9()
1091 		printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",  in fix_acer_tm360_irqrouting()
1150 		 * routing table  in pcibios_irq_init()
1163 		 * PCI IRQ routing is set up by pci_enable_device(), but we  in pcibios_irq_init()
1167 …printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n…  in pcibios_irq_init()