diff options
Diffstat (limited to 'src/mainboard/iwill/dk8x/irq_tables.c')
-rw-r--r-- | src/mainboard/iwill/dk8x/irq_tables.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/mainboard/iwill/dk8x/irq_tables.c b/src/mainboard/iwill/dk8x/irq_tables.c new file mode 100644 index 0000000000..6322c3df21 --- /dev/null +++ b/src/mainboard/iwill/dk8x/irq_tables.c @@ -0,0 +1,56 @@ +#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 + */ + +const struct irq_routing_table intel_irq_routing_table = { + PIRQ_SIGNATURE, /* u32 signature */ + PIRQ_VERSION, /* u16 version */ + 32+16*IRQ_SLOT_COUNT, /* there can be total 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, /* Crap (miniport) */ + { 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); +} |