1 /*-
2 * Copyright (c) 1996, by Peter Wemm and Steve Passe
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. The name of the developer may NOT be used to endorse or promote products
11 * derived from this software without specific prior written permission.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28 #ifndef _MACHINE_APICREG_H_
29 #define _MACHINE_APICREG_H_
30
31 /*
32 * Local && I/O APIC definitions.
33 */
34
35 /*
36 * Pentium P54C+ Built-in APIC
37 * (Advanced programmable Interrupt Controller)
38 *
39 * Base Address of Built-in APIC in memory location
40 * is 0xfee00000.
41 *
42 * Map of APIC Registers:
43 *
44 * Offset (hex) Description Read/Write state
45 * 000 Reserved
46 * 010 Reserved
47 * 020 ID Local APIC ID R/W
48 * 030 VER Local APIC Version R
49 * 040 Reserved
50 * 050 Reserved
51 * 060 Reserved
52 * 070 Reserved
53 * 080 Task Priority Register R/W
54 * 090 Arbitration Priority Register R
55 * 0A0 Processor Priority Register R
56 * 0B0 EOI Register W
57 * 0C0 RRR Remote read R
58 * 0D0 Logical Destination R/W
59 * 0E0 Destination Format Register 0..27 R; 28..31 R/W
60 * 0F0 SVR Spurious Interrupt Vector Reg. 0..3 R; 4..9 R/W
61 * 100 ISR 000-031 R
62 * 110 ISR 032-063 R
63 * 120 ISR 064-095 R
64 * 130 ISR 095-128 R
65 * 140 ISR 128-159 R
66 * 150 ISR 160-191 R
67 * 160 ISR 192-223 R
68 * 170 ISR 224-255 R
69 * 180 TMR 000-031 R
70 * 190 TMR 032-063 R
71 * 1A0 TMR 064-095 R
72 * 1B0 TMR 095-128 R
73 * 1C0 TMR 128-159 R
74 * 1D0 TMR 160-191 R
75 * 1E0 TMR 192-223 R
76 * 1F0 TMR 224-255 R
77 * 200 IRR 000-031 R
78 * 210 IRR 032-063 R
79 * 220 IRR 064-095 R
80 * 230 IRR 095-128 R
81 * 240 IRR 128-159 R
82 * 250 IRR 160-191 R
83 * 260 IRR 192-223 R
84 * 270 IRR 224-255 R
85 * 280 Error Status Register R
86 * 290 Reserved
87 * 2A0 Reserved
88 * 2B0 Reserved
89 * 2C0 Reserved
90 * 2D0 Reserved
91 * 2E0 Reserved
92 * 2F0 Local Vector Table (CMCI) R/W
93 * 300 ICR_LOW Interrupt Command Reg. (0-31) R/W
94 * 310 ICR_HI Interrupt Command Reg. (32-63) R/W
95 * 320 Local Vector Table (Timer) R/W
96 * 330 Local Vector Table (Thermal) R/W (PIV+)
97 * 340 Local Vector Table (Performance) R/W (P6+)
98 * 350 LVT1 Local Vector Table (LINT0) R/W
99 * 360 LVT2 Local Vector Table (LINT1) R/W
100 * 370 LVT3 Local Vector Table (ERROR) R/W
101 * 380 Initial Count Reg. for Timer R/W
102 * 390 Current Count of Timer R
103 * 3A0 Reserved
104 * 3B0 Reserved
105 * 3C0 Reserved
106 * 3D0 Reserved
107 * 3E0 Timer Divide Configuration Reg. R/W
108 * 3F0 Reserved
109 */
110
111
112 /******************************************************************************
113 * global defines, etc.
114 */
115
116
117 /******************************************************************************
118 * LOCAL APIC structure
119 */
120
121 #ifndef LOCORE
122 #include <sys/types.h>
123
124 #define PAD3 int : 32; int : 32; int : 32
125 #define PAD4 int : 32; int : 32; int : 32; int : 32
126
127 struct LAPIC {
128 /* reserved */ PAD4;
129 /* reserved */ PAD4;
130 u_int32_t id; PAD3;
131 u_int32_t version; PAD3;
132 /* reserved */ PAD4;
133 /* reserved */ PAD4;
134 /* reserved */ PAD4;
135 /* reserved */ PAD4;
136 u_int32_t tpr; PAD3;
137 u_int32_t apr; PAD3;
138 u_int32_t ppr; PAD3;
139 u_int32_t eoi; PAD3;
140 /* reserved */ PAD4;
141 u_int32_t ldr; PAD3;
142 u_int32_t dfr; PAD3;
143 u_int32_t svr; PAD3;
144 u_int32_t isr0; PAD3;
145 u_int32_t isr1; PAD3;
146 u_int32_t isr2; PAD3;
147 u_int32_t isr3; PAD3;
148 u_int32_t isr4; PAD3;
149 u_int32_t isr5; PAD3;
150 u_int32_t isr6; PAD3;
151 u_int32_t isr7; PAD3;
152 u_int32_t tmr0; PAD3;
153 u_int32_t tmr1; PAD3;
154 u_int32_t tmr2; PAD3;
155 u_int32_t tmr3; PAD3;
156 u_int32_t tmr4; PAD3;
157 u_int32_t tmr5; PAD3;
158 u_int32_t tmr6; PAD3;
159 u_int32_t tmr7; PAD3;
160 u_int32_t irr0; PAD3;
161 u_int32_t irr1; PAD3;
162 u_int32_t irr2; PAD3;
163 u_int32_t irr3; PAD3;
164 u_int32_t irr4; PAD3;
165 u_int32_t irr5; PAD3;
166 u_int32_t irr6; PAD3;
167 u_int32_t irr7; PAD3;
168 u_int32_t esr; PAD3;
169 /* reserved */ PAD4;
170 /* reserved */ PAD4;
171 /* reserved */ PAD4;
172 /* reserved */ PAD4;
173 /* reserved */ PAD4;
174 /* reserved */ PAD4;
175 u_int32_t lvt_cmci; PAD3;
176 u_int32_t icr_lo; PAD3;
177 u_int32_t icr_hi; PAD3;
178 u_int32_t lvt_timer; PAD3;
179 u_int32_t lvt_thermal; PAD3;
180 u_int32_t lvt_pcint; PAD3;
181 u_int32_t lvt_lint0; PAD3;
182 u_int32_t lvt_lint1; PAD3;
183 u_int32_t lvt_error; PAD3;
184 u_int32_t icr_timer; PAD3;
185 u_int32_t ccr_timer; PAD3;
186 /* reserved */ PAD4;
187 /* reserved */ PAD4;
188 /* reserved */ PAD4;
189 /* reserved */ PAD4;
190 u_int32_t dcr_timer; PAD3;
191 /* reserved */ PAD4;
192 };
193
194 typedef struct LAPIC lapic_t;
195
196 /******************************************************************************
197 * I/O APIC structure
198 */
199
200 struct IOAPIC {
201 u_int32_t ioregsel; PAD3;
202 u_int32_t iowin; PAD3;
203 };
204
205 typedef struct IOAPIC ioapic_t;
206
207 #undef PAD4
208 #undef PAD3
209
210 #endif /* !LOCORE */
211
212
213 /******************************************************************************
214 * various code 'logical' values
215 */
216
217 /******************************************************************************
218 * LOCAL APIC defines
219 */
220
221 /* default physical locations of LOCAL (CPU) APICs */
222 #define DEFAULT_APIC_BASE 0xfee00000
223
224 /* constants relating to APIC ID registers */
225 #define APIC_ID_MASK 0xff000000
226 #define APIC_ID_SHIFT 24
227 #define APIC_ID_CLUSTER 0xf0
228 #define APIC_ID_CLUSTER_ID 0x0f
229 #define APIC_MAX_CLUSTER 0xe
230 #define APIC_MAX_INTRACLUSTER_ID 3
231 #define APIC_ID_CLUSTER_SHIFT 4
232
233 /* fields in VER */
234 #define APIC_VER_VERSION 0x000000ff
235 #define APIC_VER_MAXLVT 0x00ff0000
236 #define MAXLVTSHIFT 16
237
238 /* fields in LDR */
239 #define APIC_LDR_RESERVED 0x00ffffff
240
241 /* fields in DFR */
242 #define APIC_DFR_RESERVED 0x0fffffff
243 #define APIC_DFR_MODEL_MASK 0xf0000000
244 #define APIC_DFR_MODEL_FLAT 0xf0000000
245 #define APIC_DFR_MODEL_CLUSTER 0x00000000
246
247 /* fields in SVR */
248 #define APIC_SVR_VECTOR 0x000000ff
249 #define APIC_SVR_VEC_PROG 0x000000f0
250 #define APIC_SVR_VEC_FIX 0x0000000f
251 #define APIC_SVR_ENABLE 0x00000100
252 # define APIC_SVR_SWDIS 0x00000000
253 # define APIC_SVR_SWEN 0x00000100
254 #define APIC_SVR_FOCUS 0x00000200
255 # define APIC_SVR_FEN 0x00000000
256 # define APIC_SVR_FDIS 0x00000200
257
258 /* fields in TPR */
259 #define APIC_TPR_PRIO 0x000000ff
260 # define APIC_TPR_INT 0x000000f0
261 # define APIC_TPR_SUB 0x0000000f
262
263 /* fields in ESR */
264 #define APIC_ESR_SEND_CS_ERROR 0x00000001
265 #define APIC_ESR_RECEIVE_CS_ERROR 0x00000002
266 #define APIC_ESR_SEND_ACCEPT 0x00000004
267 #define APIC_ESR_RECEIVE_ACCEPT 0x00000008
268 #define APIC_ESR_SEND_ILLEGAL_VECTOR 0x00000020
269 #define APIC_ESR_RECEIVE_ILLEGAL_VECTOR 0x00000040
270 #define APIC_ESR_ILLEGAL_REGISTER 0x00000080
271
272 /* fields in ICR_LOW */
273 #define APIC_VECTOR_MASK 0x000000ff
274
275 #define APIC_DELMODE_MASK 0x00000700
276 # define APIC_DELMODE_FIXED 0x00000000
277 # define APIC_DELMODE_LOWPRIO 0x00000100
278 # define APIC_DELMODE_SMI 0x00000200
279 # define APIC_DELMODE_RR 0x00000300
280 # define APIC_DELMODE_NMI 0x00000400
281 # define APIC_DELMODE_INIT 0x00000500
282 # define APIC_DELMODE_STARTUP 0x00000600
283 # define APIC_DELMODE_RESV 0x00000700
284
285 #define APIC_DESTMODE_MASK 0x00000800
286 # define APIC_DESTMODE_PHY 0x00000000
287 # define APIC_DESTMODE_LOG 0x00000800
288
289 #define APIC_DELSTAT_MASK 0x00001000
290 # define APIC_DELSTAT_IDLE 0x00000000
291 # define APIC_DELSTAT_PEND 0x00001000
292
293 #define APIC_RESV1_MASK 0x00002000
294
295 #define APIC_LEVEL_MASK 0x00004000
296 # define APIC_LEVEL_DEASSERT 0x00000000
297 # define APIC_LEVEL_ASSERT 0x00004000
298
299 #define APIC_TRIGMOD_MASK 0x00008000
300 # define APIC_TRIGMOD_EDGE 0x00000000
301 # define APIC_TRIGMOD_LEVEL 0x00008000
302
303 #define APIC_RRSTAT_MASK 0x00030000
304 # define APIC_RRSTAT_INVALID 0x00000000
305 # define APIC_RRSTAT_INPROG 0x00010000
306 # define APIC_RRSTAT_VALID 0x00020000
307 # define APIC_RRSTAT_RESV 0x00030000
308
309 #define APIC_DEST_MASK 0x000c0000
310 # define APIC_DEST_DESTFLD 0x00000000
311 # define APIC_DEST_SELF 0x00040000
312 # define APIC_DEST_ALLISELF 0x00080000
313 # define APIC_DEST_ALLESELF 0x000c0000
314
315 #define APIC_RESV2_MASK 0xfff00000
316
317 #define APIC_ICRLO_RESV_MASK (APIC_RESV1_MASK | APIC_RESV2_MASK)
318
319 /* fields in LVT1/2 */
320 #define APIC_LVT_VECTOR 0x000000ff
321 #define APIC_LVT_DM 0x00000700
322 # define APIC_LVT_DM_FIXED 0x00000000
323 # define APIC_LVT_DM_SMI 0x00000200
324 # define APIC_LVT_DM_NMI 0x00000400
325 # define APIC_LVT_DM_INIT 0x00000500
326 # define APIC_LVT_DM_EXTINT 0x00000700
327 #define APIC_LVT_DS 0x00001000
328 #define APIC_LVT_IIPP 0x00002000
329 #define APIC_LVT_IIPP_INTALO 0x00002000
330 #define APIC_LVT_IIPP_INTAHI 0x00000000
331 #define APIC_LVT_RIRR 0x00004000
332 #define APIC_LVT_TM 0x00008000
333 #define APIC_LVT_M 0x00010000
334
335
336 /* fields in LVT Timer */
337 #define APIC_LVTT_VECTOR 0x000000ff
338 #define APIC_LVTT_DS 0x00001000
339 #define APIC_LVTT_M 0x00010000
340 #define APIC_LVTT_TM 0x00020000
341 # define APIC_LVTT_TM_ONE_SHOT 0x00000000
342 # define APIC_LVTT_TM_PERIODIC 0x00020000
343
344
345 /* APIC timer current count */
346 #define APIC_TIMER_MAX_COUNT 0xffffffff
347
348 /* fields in TDCR */
349 #define APIC_TDCR_2 0x00
350 #define APIC_TDCR_4 0x01
351 #define APIC_TDCR_8 0x02
352 #define APIC_TDCR_16 0x03
353 #define APIC_TDCR_32 0x08
354 #define APIC_TDCR_64 0x09
355 #define APIC_TDCR_128 0x0a
356 #define APIC_TDCR_1 0x0b
357
358 /******************************************************************************
359 * I/O APIC defines
360 */
361
362 /* default physical locations of an IO APIC */
363 #define DEFAULT_IO_APIC_BASE 0xfec00000
364
365 /* window register offset */
366 #define IOAPIC_WINDOW 0x10
367
368 /* indexes into IO APIC */
369 #define IOAPIC_ID 0x00
370 #define IOAPIC_VER 0x01
371 #define IOAPIC_ARB 0x02
372 #define IOAPIC_REDTBL 0x10
373 #define IOAPIC_REDTBL0 IOAPIC_REDTBL
374 #define IOAPIC_REDTBL1 (IOAPIC_REDTBL+0x02)
375 #define IOAPIC_REDTBL2 (IOAPIC_REDTBL+0x04)
376 #define IOAPIC_REDTBL3 (IOAPIC_REDTBL+0x06)
377 #define IOAPIC_REDTBL4 (IOAPIC_REDTBL+0x08)
378 #define IOAPIC_REDTBL5 (IOAPIC_REDTBL+0x0a)
379 #define IOAPIC_REDTBL6 (IOAPIC_REDTBL+0x0c)
380 #define IOAPIC_REDTBL7 (IOAPIC_REDTBL+0x0e)
381 #define IOAPIC_REDTBL8 (IOAPIC_REDTBL+0x10)
382 #define IOAPIC_REDTBL9 (IOAPIC_REDTBL+0x12)
383 #define IOAPIC_REDTBL10 (IOAPIC_REDTBL+0x14)
384 #define IOAPIC_REDTBL11 (IOAPIC_REDTBL+0x16)
385 #define IOAPIC_REDTBL12 (IOAPIC_REDTBL+0x18)
386 #define IOAPIC_REDTBL13 (IOAPIC_REDTBL+0x1a)
387 #define IOAPIC_REDTBL14 (IOAPIC_REDTBL+0x1c)
388 #define IOAPIC_REDTBL15 (IOAPIC_REDTBL+0x1e)
389 #define IOAPIC_REDTBL16 (IOAPIC_REDTBL+0x20)
390 #define IOAPIC_REDTBL17 (IOAPIC_REDTBL+0x22)
391 #define IOAPIC_REDTBL18 (IOAPIC_REDTBL+0x24)
392 #define IOAPIC_REDTBL19 (IOAPIC_REDTBL+0x26)
393 #define IOAPIC_REDTBL20 (IOAPIC_REDTBL+0x28)
394 #define IOAPIC_REDTBL21 (IOAPIC_REDTBL+0x2a)
395 #define IOAPIC_REDTBL22 (IOAPIC_REDTBL+0x2c)
396 #define IOAPIC_REDTBL23 (IOAPIC_REDTBL+0x2e)
397
398 /* fields in VER */
399 #define IOART_VER_VERSION 0x000000ff
400 #define IOART_VER_MAXREDIR 0x00ff0000
401 #define MAXREDIRSHIFT 16
402
403 /*
404 * fields in the IO APIC's redirection table entries
405 */
406 #define IOART_DEST APIC_ID_MASK /* broadcast addr: all APICs */
407
408 #define IOART_RESV 0x00fe0000 /* reserved */
409
410 #define IOART_INTMASK 0x00010000 /* R/W: INTerrupt mask */
411 # define IOART_INTMCLR 0x00000000 /* clear, allow INTs */
412 # define IOART_INTMSET 0x00010000 /* set, inhibit INTs */
413
414 #define IOART_TRGRMOD 0x00008000 /* R/W: trigger mode */
415 # define IOART_TRGREDG 0x00000000 /* edge */
416 # define IOART_TRGRLVL 0x00008000 /* level */
417
418 #define IOART_REM_IRR 0x00004000 /* RO: remote IRR */
419
420 #define IOART_INTPOL 0x00002000 /* R/W: INT input pin polarity */
421 # define IOART_INTAHI 0x00000000 /* active high */
422 # define IOART_INTALO 0x00002000 /* active low */
423
424 #define IOART_DELIVS 0x00001000 /* RO: delivery status */
425
426 #define IOART_DESTMOD 0x00000800 /* R/W: destination mode */
427 # define IOART_DESTPHY 0x00000000 /* physical */
428 # define IOART_DESTLOG 0x00000800 /* logical */
429
430 #define IOART_DELMOD 0x00000700 /* R/W: delivery mode */
431 # define IOART_DELFIXED 0x00000000 /* fixed */
432 # define IOART_DELLOPRI 0x00000100 /* lowest priority */
433 # define IOART_DELSMI 0x00000200 /* System Management INT */
434 # define IOART_DELRSV1 0x00000300 /* reserved */
435 # define IOART_DELNMI 0x00000400 /* NMI signal */
436 # define IOART_DELINIT 0x00000500 /* INIT signal */
437 # define IOART_DELRSV2 0x00000600 /* reserved */
438 # define IOART_DELEXINT 0x00000700 /* External INTerrupt */
439
440 #define IOART_INTVEC 0x000000ff /* R/W: INTerrupt vector field */
441
442 #endif /* _MACHINE_APICREG_H_ */
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