1 #ifndef __ASM_APICDEF_H
2 #define __ASM_APICDEF_H
5 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
7 * Alan Cox <Alan.Cox@linux.org>, 1995.
8 * Ingo Molnar <mingo@redhat.com>, 1999, 2000
11 #define APIC_DEFAULT_PHYS_BASE 0xfee00000
15 #define APIC_LVR_MASK 0xFF00FF
16 #define GET_APIC_VERSION(x) ((x)&0xFF)
17 #define GET_APIC_MAXLVT(x) (((x)>>16)&0xFF)
18 #define APIC_INTEGRATED(x) ((x)&0xF0)
19 #define APIC_TASKPRI 0x80
20 #define APIC_TPRI_MASK 0xFF
21 #define APIC_ARBPRI 0x90
22 #define APIC_ARBPRI_MASK 0xFF
23 #define APIC_PROCPRI 0xA0
25 #define APIC_EIO_ACK 0x0 /* Write this to the EOI register */
28 #define APIC_LDR_MASK (0xFF<<24)
29 #define GET_APIC_LOGICAL_ID(x) (((x)>>24)&0xFF)
30 #define SET_APIC_LOGICAL_ID(x) (((x)<<24))
31 #define APIC_ALL_CPUS 0xFF
33 #define APIC_DFR_CLUSTER 0x0FFFFFFFul
34 #define APIC_DFR_FLAT 0xFFFFFFFFul
35 #define APIC_SPIV 0xF0
36 #define APIC_SPIV_FOCUS_DISABLED (1<<9)
37 #define APIC_SPIV_APIC_ENABLED (1<<8)
38 #define APIC_ISR 0x100
39 #define APIC_TMR 0x180
40 #define APIC_IRR 0x200
41 #define APIC_ESR 0x280
42 #define APIC_ESR_SEND_CS 0x00001
43 #define APIC_ESR_RECV_CS 0x00002
44 #define APIC_ESR_SEND_ACC 0x00004
45 #define APIC_ESR_RECV_ACC 0x00008
46 #define APIC_ESR_SENDILL 0x00020
47 #define APIC_ESR_RECVILL 0x00040
48 #define APIC_ESR_ILLREGA 0x00080
49 #define APIC_ICR 0x300
50 #define APIC_DEST_SELF 0x40000
51 #define APIC_DEST_ALLINC 0x80000
52 #define APIC_DEST_ALLBUT 0xC0000
53 #define APIC_ICR_RR_MASK 0x30000
54 #define APIC_ICR_RR_INVALID 0x00000
55 #define APIC_ICR_RR_INPROG 0x10000
56 #define APIC_ICR_RR_VALID 0x20000
57 #define APIC_INT_LEVELTRIG 0x08000
58 #define APIC_INT_ASSERT 0x04000
59 #define APIC_ICR_BUSY 0x01000
60 #define APIC_DEST_LOGICAL 0x00800
61 #define APIC_DM_FIXED 0x00000
62 #define APIC_DM_LOWEST 0x00100
63 #define APIC_DM_SMI 0x00200
64 #define APIC_DM_REMRD 0x00300
65 #define APIC_DM_NMI 0x00400
66 #define APIC_DM_INIT 0x00500
67 #define APIC_DM_STARTUP 0x00600
68 #define APIC_DM_EXTINT 0x00700
69 #define APIC_VECTOR_MASK 0x000FF
70 #define APIC_ICR2 0x310
71 #define GET_APIC_DEST_FIELD(x) (((x)>>24)&0xFF)
72 #define SET_APIC_DEST_FIELD(x) ((x)<<24)
73 #define APIC_LVTT 0x320
74 #define APIC_LVTTHMR 0x330
75 #define APIC_LVTPC 0x340
76 #define APIC_LVT0 0x350
77 #define APIC_LVT_TIMER_BASE_MASK (0x3<<18)
78 #define GET_APIC_TIMER_BASE(x) (((x)>>18)&0x3)
79 #define SET_APIC_TIMER_BASE(x) (((x)<<18))
80 #define APIC_TIMER_BASE_CLKIN 0x0
81 #define APIC_TIMER_BASE_TMBASE 0x1
82 #define APIC_TIMER_BASE_DIV 0x2
83 #define APIC_LVT_TIMER_PERIODIC (1<<17)
84 #define APIC_LVT_MASKED (1<<16)
85 #define APIC_LVT_LEVEL_TRIGGER (1<<15)
86 #define APIC_LVT_REMOTE_IRR (1<<14)
87 #define APIC_INPUT_POLARITY (1<<13)
88 #define APIC_SEND_PENDING (1<<12)
89 #define GET_APIC_DELIVERY_MODE(x) (((x)>>8)&0x7)
90 #define SET_APIC_DELIVERY_MODE(x,y) (((x)&~0x700)|((y)<<8))
91 #define APIC_MODE_FIXED 0x0
92 #define APIC_MODE_NMI 0x4
93 #define APIC_MODE_EXINT 0x7
94 #define APIC_LVT1 0x360
95 #define APIC_LVTERR 0x370
96 #define APIC_TMICT 0x380
97 #define APIC_TMCCT 0x390
98 #define APIC_TDCR 0x3E0
99 #define APIC_TDR_DIV_TMBASE (1<<2)
100 #define APIC_TDR_DIV_1 0xB
101 #define APIC_TDR_DIV_2 0x0
102 #define APIC_TDR_DIV_4 0x1
103 #define APIC_TDR_DIV_8 0x2
104 #define APIC_TDR_DIV_16 0x3
105 #define APIC_TDR_DIV_32 0x8
106 #define APIC_TDR_DIV_64 0x9
107 #define APIC_TDR_DIV_128 0xA
109 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
112 #define MAX_IO_APICS 32
114 #define MAX_IO_APICS 8
118 * the local APIC register structure, memory mapped. Not terribly well
119 * tested, but we might eventually use this one in the future - the
120 * problem why we cannot use it right now is the P5 APIC, it has an
121 * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
123 #define u32 unsigned int
125 #define lapic ((volatile struct local_apic *)APIC_BASE)
129 /*000*/ struct { u32 __reserved
[4]; } __reserved_01
;
131 /*010*/ struct { u32 __reserved
[4]; } __reserved_02
;
133 /*020*/ struct { /* APIC ID Register */
134 u32 __reserved_1
: 24,
141 struct { /* APIC Version Register */
149 /*040*/ struct { u32 __reserved
[4]; } __reserved_03
;
151 /*050*/ struct { u32 __reserved
[4]; } __reserved_04
;
153 /*060*/ struct { u32 __reserved
[4]; } __reserved_05
;
155 /*070*/ struct { u32 __reserved
[4]; } __reserved_06
;
157 /*080*/ struct { /* Task Priority Register */
164 struct { /* Arbitration Priority Register */
171 struct { /* Processor Priority Register */
177 /*0B0*/ struct { /* End Of Interrupt Register */
182 /*0C0*/ struct { u32 __reserved
[4]; } __reserved_07
;
184 /*0D0*/ struct { /* Logical Destination Register */
185 u32 __reserved_1
: 24,
190 /*0E0*/ struct { /* Destination Format Register */
191 u32 __reserved_1
: 28,
196 /*0F0*/ struct { /* Spurious Interrupt Vector Register */
197 u32 spurious_vector
: 8,
204 /*100*/ struct { /* In Service Register */
205 /*170*/ u32 bitfield
;
209 /*180*/ struct { /* Trigger Mode Register */
210 /*1F0*/ u32 bitfield
;
214 /*200*/ struct { /* Interrupt Request Register */
215 /*270*/ u32 bitfield
;
219 /*280*/ union { /* Error Status Register */
221 u32 send_cs_error
: 1,
222 receive_cs_error
: 1,
223 send_accept_error
: 1,
224 receive_accept_error
: 1,
226 send_illegal_vector
: 1,
227 receive_illegal_vector
: 1,
228 illegal_register_address
: 1,
238 /*290*/ struct { u32 __reserved
[4]; } __reserved_08
;
240 /*2A0*/ struct { u32 __reserved
[4]; } __reserved_09
;
242 /*2B0*/ struct { u32 __reserved
[4]; } __reserved_10
;
244 /*2C0*/ struct { u32 __reserved
[4]; } __reserved_11
;
246 /*2D0*/ struct { u32 __reserved
[4]; } __reserved_12
;
248 /*2E0*/ struct { u32 __reserved
[4]; } __reserved_13
;
250 /*2F0*/ struct { u32 __reserved
[4]; } __reserved_14
;
252 /*300*/ struct { /* Interrupt Command Register 1 */
255 destination_mode
: 1,
266 /*310*/ struct { /* Interrupt Command Register 2 */
268 u32 __reserved_1
: 24,
271 u32 __reserved_3
: 24,
277 /*320*/ struct { /* LVT - Timer */
288 /*330*/ struct { /* LVT - Thermal Sensor */
299 /*340*/ struct { /* LVT - Performance Counter */
310 /*350*/ struct { /* LVT - LINT0 */
323 /*360*/ struct { /* LVT - LINT1 */
336 /*370*/ struct { /* LVT - Error */
346 /*380*/ struct { /* Timer Initial Count Register */
352 struct { /* Timer Current Count Register */
357 /*3A0*/ struct { u32 __reserved
[4]; } __reserved_16
;
359 /*3B0*/ struct { u32 __reserved
[4]; } __reserved_17
;
361 /*3C0*/ struct { u32 __reserved
[4]; } __reserved_18
;
363 /*3D0*/ struct { u32 __reserved
[4]; } __reserved_19
;
365 /*3E0*/ struct { /* Timer Divide Configuration Register */
371 /*3F0*/ struct { u32 __reserved
[4]; } __reserved_20
;
373 } __attribute__ ((packed
));