| #include <arch/pirq_routing.h> |
| #include <device/pci.h> |
| |
| #define IRQ_ROUTER_BUS 1 |
| #define IRQ_ROUTER_DEVFN PCI_DEVFN(4,3) |
| #define IRQ_ROUTER_VENDOR 0x1022 |
| #define IRQ_ROUTER_DEVICE 0x746b |
| |
| #define AVAILABLE_IRQS 0xdef8 |
| #define IRQ_SLOT(slot, bus, dev, fn, linka, linkb, linkc, linkd) \ |
| { bus, (dev<<3)|fn, {{ linka, AVAILABLE_IRQS}, { linkb, AVAILABLE_IRQS}, \ |
| {linkc, AVAILABLE_IRQS}, {linkd, AVAILABLE_IRQS}}, slot, 0} |
| |
| /* Each IRQ_SLOT entry consists of: |
| * bus, devfn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu |
| */ |
| |
| static const struct irq_routing_table intel_irq_routing_table = { |
| PIRQ_SIGNATURE, /* u32 signature */ |
| PIRQ_VERSION, /* u16 version */ |
| 32+16*CONFIG_IRQ_SLOT_COUNT, /* there can be total CONFIG_IRQ_SLOT_COUNT |
| * devices on the bus */ |
| IRQ_ROUTER_BUS, /* Where the interrupt router lies (bus) */ |
| IRQ_ROUTER_DEVFN, /* Where the interrupt router lies (dev) */ |
| 0x00, /* IRQs devoted exclusively to PCI usage */ |
| IRQ_ROUTER_VENDOR, /* Vendor */ |
| IRQ_ROUTER_DEVICE, /* Device */ |
| 0x00, /* Miniport data */ |
| { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ |
| 0x00, /* u8 checksum , mod 256 checksum must give |
| * zero, will be corrected later |
| */ |
| { |
| |
| /* slot(0=onboard), devfn, irqlinks (line id, 0=not routed) */ |
| |
| /* PCI Slot 1-6 */ |
| IRQ_SLOT (1, 3,1,0, 2,3,4,1 ), |
| IRQ_SLOT (2, 3,2,0, 3,4,1,2 ), |
| IRQ_SLOT (3, 2,1,0, 2,3,4,1 ), |
| IRQ_SLOT (4, 2,2,0, 3,4,1,2 ), |
| IRQ_SLOT (5, 4,5,0, 2,3,4,1 ), |
| IRQ_SLOT (6, 4,4,0, 1,2,3,4 ), |
| |
| /* Onboard NICs */ |
| IRQ_SLOT (0, 2,3,0, 4,0,0,0 ), |
| IRQ_SLOT (0, 2,4,0, 4,0,0,0 ), |
| |
| /* Let Linux know about bus 1 */ |
| IRQ_SLOT (0, 1,4,3, 0,0,0,0 ), |
| } |
| }; |
| unsigned long write_pirq_routing_table(unsigned long addr) |
| { |
| return copy_pirq_routing_table(addr, &intel_irq_routing_table); |
| } |