| 1 | #ifndef __ASM_APIC_H
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| 2 | #define __ASM_APIC_H
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| 3 |
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| 4 | /*
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| 5 | * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
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| 6 | *
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| 7 | * Alan Cox <Alan.Cox@linux.org>, 1995.
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| 8 | */
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| 9 | #define APIC_PHYS_BASE 0xfee00000 /* IA s/w dev Vol 3, Section 7.4 */
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| 10 |
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| 11 | #define APIC_ID 0x20
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| 12 | #define GET_APIC_ID(x) (((x)>>24)&0x0F)
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| 13 | #define APIC_LVR 0x30
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| 14 | #define GET_APIC_VERSION(x) ((x)&0xFF)
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| 15 | #define GET_APIC_MAXLVT(x) (((x)>>16)&0x0F)
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| 16 | #define APIC_INTEGRATED(x) ((x)&0xF0)
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| 17 | #define APIC_TASKPRI 0x80
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| 18 | #define APIC_TPRI_MASK 0xFF
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| 19 | #define APIC_ARBPRI 0x90
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| 20 | #define APIC_ARBPRI_MASK 0xFF
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| 21 | #define APIC_PROCPRI 0xA0
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| 22 | #define APIC_EOI 0xB0
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| 23 | #define APIC_EIO_ACK 0x0 /* Write this to the EOI register */
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| 24 | #define APIC_RRR 0xC0
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| 25 | #define APIC_LDR 0xD0
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| 26 | #define APIC_LDR_MASK (0xFF<<24)
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| 27 | #define GET_APIC_LOGICAL_ID(x) (((x)>>24)&0xFF)
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| 28 | #define SET_APIC_LOGICAL_ID(x) (((x)<<24))
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| 29 | #define APIC_ALL_CPUS 0xFF
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| 30 | #define APIC_DFR 0xE0
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| 31 | #define GET_APIC_DFR(x) (((x)>>28)&0x0F)
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| 32 | #define SET_APIC_DFR(x) ((x)<<28)
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| 33 | #define APIC_SPIV 0xF0
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| 34 | #define APIC_ISR 0x100
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| 35 | #define APIC_TMR 0x180
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| 36 | #define APIC_IRR 0x200
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| 37 | #define APIC_ESR 0x280
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| 38 | #define APIC_ESR_SEND_CS 0x00001
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| 39 | #define APIC_ESR_RECV_CS 0x00002
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| 40 | #define APIC_ESR_SEND_ACC 0x00004
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| 41 | #define APIC_ESR_RECV_ACC 0x00008
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| 42 | #define APIC_ESR_SENDILL 0x00020
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| 43 | #define APIC_ESR_RECVILL 0x00040
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| 44 | #define APIC_ESR_ILLREGA 0x00080
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| 45 | #define APIC_ICR 0x300
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| 46 | #define APIC_DEST_SELF 0x40000
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| 47 | #define APIC_DEST_ALLINC 0x80000
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| 48 | #define APIC_DEST_ALLBUT 0xC0000
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| 49 | #define APIC_DEST_RR_MASK 0x30000
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| 50 | #define APIC_DEST_RR_INVALID 0x00000
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| 51 | #define APIC_DEST_RR_INPROG 0x10000
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| 52 | #define APIC_DEST_RR_VALID 0x20000
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| 53 | #define APIC_DEST_LEVELTRIG 0x08000
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| 54 | #define APIC_DEST_ASSERT 0x04000
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| 55 | #define APIC_DEST_BUSY 0x01000
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| 56 | #define APIC_DEST_LOGICAL 0x00800
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| 57 | #define APIC_DEST_DM_FIXED 0x00000
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| 58 | #define APIC_DEST_DM_LOWEST 0x00100
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| 59 | #define APIC_DEST_DM_SMI 0x00200
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| 60 | #define APIC_DEST_DM_REMRD 0x00300
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| 61 | #define APIC_DEST_DM_NMI 0x00400
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| 62 | #define APIC_DEST_DM_INIT 0x00500
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| 63 | #define APIC_DEST_DM_STARTUP 0x00600
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| 64 | #define APIC_DEST_VECTOR_MASK 0x000FF
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| 65 | #define APIC_ICR2 0x310
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| 66 | #define GET_APIC_DEST_FIELD(x) (((x)>>24)&0xFF)
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| 67 | #define SET_APIC_DEST_FIELD(x) ((x)<<24)
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| 68 | #define APIC_LVTT 0x320
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| 69 | #define APIC_LVTPC 0x340
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| 70 | #define APIC_LVT0 0x350
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| 71 | #define APIC_LVT_TIMER_BASE_MASK (0x3<<18)
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| 72 | #define GET_APIC_TIMER_BASE(x) (((x)>>18)&0x3)
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| 73 | #define SET_APIC_TIMER_BASE(x) (((x)<<18))
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| 74 | #define APIC_TIMER_BASE_CLKIN 0x0
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| 75 | #define APIC_TIMER_BASE_TMBASE 0x1
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| 76 | #define APIC_TIMER_BASE_DIV 0x2
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| 77 | #define APIC_LVT_TIMER_PERIODIC (1<<17)
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| 78 | #define APIC_LVT_MASKED (1<<16)
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| 79 | #define APIC_LVT_LEVEL_TRIGGER (1<<15)
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| 80 | #define APIC_LVT_REMOTE_IRR (1<<14)
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| 81 | #define APIC_INPUT_POLARITY (1<<13)
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| 82 | #define APIC_SEND_PENDING (1<<12)
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| 83 | #define GET_APIC_DELIVERY_MODE(x) (((x)>>8)&0x7)
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| 84 | #define SET_APIC_DELIVERY_MODE(x,y) (((x)&~0x700)|((y)<<8))
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| 85 | #define APIC_MODE_FIXED 0x0
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| 86 | #define APIC_MODE_NMI 0x4
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| 87 | #define APIC_MODE_EXINT 0x7
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| 88 | #define APIC_LVT1 0x360
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| 89 | #define APIC_LVTERR 0x370
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| 90 | #define APIC_TMICT 0x380
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| 91 | #define APIC_TMCCT 0x390
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| 92 | #define APIC_TDCR 0x3E0
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| 93 | #define APIC_TDR_DIV_TMBASE (1<<2)
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| 94 | #define APIC_TDR_DIV_1 0xB
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| 95 | #define APIC_TDR_DIV_2 0x0
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| 96 | #define APIC_TDR_DIV_4 0x1
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| 97 | #define APIC_TDR_DIV_8 0x2
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| 98 | #define APIC_TDR_DIV_16 0x3
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| 99 | #define APIC_TDR_DIV_32 0x8
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| 100 | #define APIC_TDR_DIV_64 0x9
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| 101 | #define APIC_TDR_DIV_128 0xA
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| 102 |
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| 103 | #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
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| 104 |
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| 105 | #define MAX_IO_APICS 8
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| 106 |
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| 107 | /*
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| 108 | * the local APIC register structure, memory mapped. Not terribly well
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| 109 | * tested, but we might eventually use this one in the future - the
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| 110 | * problem why we cannot use it right now is the P5 APIC, it has an
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| 111 | * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
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| 112 | */
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| 113 |
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| 114 |
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| 115 |
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| 116 | #endif
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