diff options
Diffstat (limited to 'include/asm-ia64/iosapic.h')
| -rw-r--r-- | include/asm-ia64/iosapic.h | 119 |
1 files changed, 28 insertions, 91 deletions
diff --git a/include/asm-ia64/iosapic.h b/include/asm-ia64/iosapic.h index 995c948ba..90ab8aacf 100644 --- a/include/asm-ia64/iosapic.h +++ b/include/asm-ia64/iosapic.h @@ -1,123 +1,60 @@ #ifndef __ASM_IA64_IOSAPIC_H #define __ASM_IA64_IOSAPIC_H -#include <linux/config.h> +#define IOSAPIC_DEFAULT_ADDR 0xFEC00000 -#define IO_SAPIC_DEFAULT_ADDR 0xFEC00000 +#define IOSAPIC_REG_SELECT 0x0 +#define IOSAPIC_WINDOW 0x10 +#define IOSAPIC_EOI 0x40 -#define IO_SAPIC_REG_SELECT 0x0 -#define IO_SAPIC_WINDOW 0x10 -#define IO_SAPIC_EOI 0x40 - -#define IO_SAPIC_VERSION 0x1 +#define IOSAPIC_VERSION 0x1 /* * Redirection table entry */ +#define IOSAPIC_RTE_LOW(i) (0x10+i*2) +#define IOSAPIC_RTE_HIGH(i) (0x11+i*2) -#define IO_SAPIC_RTE_LOW(i) (0x10+i*2) -#define IO_SAPIC_RTE_HIGH(i) (0x11+i*2) - - -#define IO_SAPIC_DEST_SHIFT 16 +#define IOSAPIC_DEST_SHIFT 16 /* * Delivery mode */ - -#define IO_SAPIC_DELIVERY_SHIFT 8 -#define IO_SAPIC_FIXED 0x0 -#define IO_SAPIC_LOWEST_PRIORITY 0x1 -#define IO_SAPIC_PMI 0x2 -#define IO_SAPIC_NMI 0x4 -#define IO_SAPIC_INIT 0x5 -#define IO_SAPIC_EXTINT 0x7 +#define IOSAPIC_DELIVERY_SHIFT 8 +#define IOSAPIC_FIXED 0x0 +#define IOSAPIC_LOWEST_PRIORITY 0x1 +#define IOSAPIC_PMI 0x2 +#define IOSAPIC_NMI 0x4 +#define IOSAPIC_INIT 0x5 +#define IOSAPIC_EXTINT 0x7 /* * Interrupt polarity */ - -#define IO_SAPIC_POLARITY_SHIFT 13 -#define IO_SAPIC_POL_HIGH 0 -#define IO_SAPIC_POL_LOW 1 +#define IOSAPIC_POLARITY_SHIFT 13 +#define IOSAPIC_POL_HIGH 0 +#define IOSAPIC_POL_LOW 1 /* * Trigger mode */ - -#define IO_SAPIC_TRIGGER_SHIFT 15 -#define IO_SAPIC_EDGE 0 -#define IO_SAPIC_LEVEL 1 +#define IOSAPIC_TRIGGER_SHIFT 15 +#define IOSAPIC_EDGE 0 +#define IOSAPIC_LEVEL 1 /* * Mask bit */ - -#define IO_SAPIC_MASK_SHIFT 16 -#define IO_SAPIC_UNMASK 0 -#define IO_SAPIC_MSAK 1 - -/* - * Bus types - */ -#define BUS_ISA 0 /* ISA Bus */ -#define BUS_PCI 1 /* PCI Bus */ - -#ifndef CONFIG_IA64_PCI_FIRMWARE_IRQ -struct intr_routing_entry { - unsigned char srcbus; - unsigned char srcbusno; - unsigned char srcbusirq; - unsigned char iosapic_pin; - unsigned char dstiosapic; - unsigned char mode; - unsigned char trigger; - unsigned char polarity; -}; - -extern struct intr_routing_entry intr_routing[]; -#endif +#define IOSAPIC_MASK_SHIFT 16 +#define IOSAPIC_UNMASK 0 +#define IOSAPIC_MSAK 1 #ifndef __ASSEMBLY__ -#include <asm/irq.h> - -/* - * IOSAPIC Version Register return 32 bit structure like: - * { - * unsigned int version : 8; - * unsigned int reserved1 : 8; - * unsigned int pins : 8; - * unsigned int reserved2 : 8; - * } - */ -extern unsigned int iosapic_version(unsigned long); -extern void iosapic_init(unsigned long, int); - -struct iosapic_vector { - unsigned long iosapic_base; /* IOSAPIC Base address */ - char pin; /* IOSAPIC pin (-1 == No data) */ - unsigned char bus; /* Bus number */ - unsigned char baseirq; /* Base IRQ handled by this IOSAPIC */ - unsigned char bustype; /* Bus type (ISA, PCI, etc) */ - unsigned int busdata; /* Bus specific ID */ - /* These bitfields use the values defined above */ - unsigned char dmode : 3; - unsigned char polarity : 1; - unsigned char trigger : 1; - unsigned char UNUSED : 3; -}; -extern struct iosapic_vector iosapic_vector[NR_IRQS]; - -#define iosapic_addr(v) iosapic_vector[v].iosapic_base -#define iosapic_pin(v) iosapic_vector[v].pin -#define iosapic_bus(v) iosapic_vector[v].bus -#define iosapic_baseirq(v) iosapic_vector[v].baseirq -#define iosapic_bustype(v) iosapic_vector[v].bustype -#define iosapic_busdata(v) iosapic_vector[v].busdata -#define iosapic_dmode(v) iosapic_vector[v].dmode -#define iosapic_trigger(v) iosapic_vector[v].trigger -#define iosapic_polarity(v) iosapic_vector[v].polarity +extern void __init iosapic_init (unsigned long address, unsigned int base_irq); +extern void iosapic_register_legacy_irq (unsigned long irq, unsigned long pin, + unsigned long polarity, unsigned long trigger); +extern void iosapic_pci_fixup (int); # endif /* !__ASSEMBLY__ */ #endif /* __ASM_IA64_IOSAPIC_H */ |