diff options
Diffstat (limited to 'include/asm-i386/i82489.h')
| -rw-r--r-- | include/asm-i386/i82489.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/asm-i386/i82489.h b/include/asm-i386/i82489.h index 8c36eb273..76f580bde 100644 --- a/include/asm-i386/i82489.h +++ b/include/asm-i386/i82489.h @@ -6,6 +6,7 @@ * * Alan Cox <Alan.Cox@linux.org>, 1995. */ +#define APIC_PHYS_BASE 0xfee00000 /* IA s/w dev Vol 3, Section 7.4 */ #define APIC_ID 0x20 #define GET_APIC_ID(x) (((x)>>24)&0x0F) @@ -13,12 +14,15 @@ #define APIC_TASKPRI 0x80 #define APIC_TPRI_MASK 0xFF #define APIC_ARBPRI 0x90 +#define APIC_ARBPRI_MASK 0xFF #define APIC_PROCPRI 0xA0 #define APIC_EOI 0xB0 #define APIC_EIO_ACK 0x0 /* Write this to the EOI register */ #define APIC_RRR 0xC0 #define APIC_LDR 0xD0 +#define APIC_LDR_MASK (0xFF<<24) #define GET_APIC_LOGICAL_ID(x) (((x)>>24)&0xFF) +#define SET_APIC_LOGICAL_ID(x) (((x)<<24)) #define APIC_DFR 0xE0 #define GET_APIC_DFR(x) (((x)>>28)&0x0F) #define SET_APIC_DFR(x) ((x)<<28) @@ -35,7 +39,6 @@ #define APIC_ESR_RECVILL 0x00040 #define APIC_ESR_ILLREGA 0x00080 #define APIC_ICR 0x300 -#define APIC_DEST_FIELD 0x00000 #define APIC_DEST_SELF 0x40000 #define APIC_DEST_ALLINC 0x80000 #define APIC_DEST_ALLBUT 0xC0000 @@ -85,4 +88,16 @@ #define APIC_TDR_DIV_64 0x9 #define APIC_TDR_DIV_128 0xA +#define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) + +extern __inline void apic_write(unsigned long reg, unsigned long v) +{ + *((volatile unsigned long *)(APIC_BASE+reg))=v; +} + +extern __inline unsigned long apic_read(unsigned long reg) +{ + return *((volatile unsigned long *)(APIC_BASE+reg)); +} + #endif |