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#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);
}
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