diff options
Diffstat (limited to 'src/arch/i386')
| -rw-r--r-- | src/arch/i386/include/arch/pirq_routing.h | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/arch/i386/include/arch/pirq_routing.h b/src/arch/i386/include/arch/pirq_routing.h index 4f56de3598..b58b390afe 100644 --- a/src/arch/i386/include/arch/pirq_routing.h +++ b/src/arch/i386/include/arch/pirq_routing.h @@ -1,19 +1,20 @@ #ifndef ARCH_PIRQ_ROUTING_H #define ARCH_PIRQ_ROUTING_H +#if CONFIG_GENERATE_PIRQ_TABLE==1 #include <stdint.h> #define PIRQ_SIGNATURE (('$' << 0) + ('P' << 8) + ('I' << 16) + ('R' << 24)) #define PIRQ_VERSION 0x0100 struct irq_info { - uint8_t bus, devfn; /* Bus, device and function */ + u8 bus, devfn; /* Bus, device and function */ struct { - uint8_t link; /* IRQ line ID, chipset dependent, 0=not routed */ - uint16_t bitmap; /* Available IRQs */ + u8 link; /* IRQ line ID, chipset dependent, 0=not routed */ + u16 bitmap; /* Available IRQs */ } __attribute__((packed)) irq[4]; - uint8_t slot; /* Slot number, 0=onboard */ - uint8_t rfu; + u8 slot; /* Slot number, 0=onboard */ + u8 rfu; } __attribute__((packed)); #if !defined(CONFIG_IRQ_SLOT_COUNT) @@ -21,29 +22,30 @@ struct irq_info { #endif struct irq_routing_table { - uint32_t signature; /* PIRQ_SIGNATURE should be here */ - uint16_t version; /* PIRQ_VERSION */ - uint16_t size; /* Table size in bytes */ - uint8_t rtr_bus, rtr_devfn; /* Where the interrupt router lies */ - uint16_t exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ - uint16_t rtr_vendor, rtr_device; /* Vendor and device ID of interrupt router */ - uint32_t miniport_data; /* Crap */ - uint8_t rfu[11]; - uint8_t checksum; /* Modulo 256 checksum must give zero */ + u32 signature; /* PIRQ_SIGNATURE should be here */ + u16 version; /* PIRQ_VERSION */ + u16 size; /* Table size in bytes */ + u8 rtr_bus, rtr_devfn; /* Where the interrupt router lies */ + u16 exclusive_irqs; /* IRQs devoted exclusively to PCI usage */ + u16 rtr_vendor, rtr_device;/* Vendor/device ID of interrupt router */ + u32 miniport_data; + u8 rfu[11]; + u8 checksum; /* Modulo 256 checksum must give zero */ struct irq_info slots[CONFIG_IRQ_SLOT_COUNT]; } __attribute__((packed)); extern const struct irq_routing_table intel_irq_routing_table; -#if CONFIG_GENERATE_PIRQ_TABLE==1 unsigned long copy_pirq_routing_table(unsigned long start); unsigned long write_pirq_routing_table(unsigned long start); + #if CONFIG_PIRQ_ROUTE==1 void pirq_routing_irqs(unsigned long start); void pirq_assign_irqs(const unsigned char pIntAtoD[4]); #else #define pirq_routing_irqs(start) {} #endif + #else #define copy_pirq_routing_table(start) (start) #define write_pirq_routing_table(start) (start) |