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1 #ifndef __ASM_APICDEF_H
2 #define __ASM_APICDEF_H
3
4 /*
5  * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
6  *
7  * Alan Cox <Alan.Cox@linux.org>, 1995.
8  * Ingo Molnar <mingo@redhat.com>, 1999, 2000
9  */
10
11 #define         APIC_DEFAULT_PHYS_BASE  0xfee00000
12  
13 #define         APIC_ID         0x20
14 #define         APIC_LVR        0x30
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
24 #define         APIC_EOI        0xB0
25 #define                 APIC_EIO_ACK            0x0             /* Write this to the EOI register */
26 #define         APIC_RRR        0xC0
27 #define         APIC_LDR        0xD0
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
32 #define         APIC_DFR        0xE0
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                 APIC_MODE_MASK                  0x700
90 #define                 GET_APIC_DELIVERY_MODE(x)       (((x)>>8)&0x7)
91 #define                 SET_APIC_DELIVERY_MODE(x,y)     (((x)&~0x700)|((y)<<8))
92 #define                         APIC_MODE_FIXED         0x0
93 #define                         APIC_MODE_NMI           0x4
94 #define                         APIC_MODE_EXTINT        0x7
95 #define         APIC_LVT1       0x360
96 #define         APIC_LVTERR     0x370
97 #define         APIC_TMICT      0x380
98 #define         APIC_TMCCT      0x390
99 #define         APIC_TDCR       0x3E0
100 #define                 APIC_TDR_DIV_TMBASE     (1<<2)
101 #define                 APIC_TDR_DIV_1          0xB
102 #define                 APIC_TDR_DIV_2          0x0
103 #define                 APIC_TDR_DIV_4          0x1
104 #define                 APIC_TDR_DIV_8          0x2
105 #define                 APIC_TDR_DIV_16         0x3
106 #define                 APIC_TDR_DIV_32         0x8
107 #define                 APIC_TDR_DIV_64         0x9
108 #define                 APIC_TDR_DIV_128        0xA
109
110 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
111
112 #define MAX_IO_APICS 64
113
114 /*
115  * the local APIC register structure, memory mapped. Not terribly well
116  * tested, but we might eventually use this one in the future - the
117  * problem why we cannot use it right now is the P5 APIC, it has an
118  * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
119  */
120 #define u32 unsigned int
121
122 #define lapic ((volatile struct local_apic *)APIC_BASE)
123
124 struct local_apic {
125
126 /*000*/ struct { u32 __reserved[4]; } __reserved_01;
127
128 /*010*/ struct { u32 __reserved[4]; } __reserved_02;
129
130 /*020*/ struct { /* APIC ID Register */
131                 u32   __reserved_1      : 24,
132                         phys_apic_id    :  4,
133                         __reserved_2    :  4;
134                 u32 __reserved[3];
135         } id;
136
137 /*030*/ const
138         struct { /* APIC Version Register */
139                 u32   version           :  8,
140                         __reserved_1    :  8,
141                         max_lvt         :  8,
142                         __reserved_2    :  8;
143                 u32 __reserved[3];
144         } version;
145
146 /*040*/ struct { u32 __reserved[4]; } __reserved_03;
147
148 /*050*/ struct { u32 __reserved[4]; } __reserved_04;
149
150 /*060*/ struct { u32 __reserved[4]; } __reserved_05;
151
152 /*070*/ struct { u32 __reserved[4]; } __reserved_06;
153
154 /*080*/ struct { /* Task Priority Register */
155                 u32   priority  :  8,
156                         __reserved_1    : 24;
157                 u32 __reserved_2[3];
158         } tpr;
159
160 /*090*/ const
161         struct { /* Arbitration Priority Register */
162                 u32   priority  :  8,
163                         __reserved_1    : 24;
164                 u32 __reserved_2[3];
165         } apr;
166
167 /*0A0*/ const
168         struct { /* Processor Priority Register */
169                 u32   priority  :  8,
170                         __reserved_1    : 24;
171                 u32 __reserved_2[3];
172         } ppr;
173
174 /*0B0*/ struct { /* End Of Interrupt Register */
175                 u32   eoi;
176                 u32 __reserved[3];
177         } eoi;
178
179 /*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
180
181 /*0D0*/ struct { /* Logical Destination Register */
182                 u32   __reserved_1      : 24,
183                         logical_dest    :  8;
184                 u32 __reserved_2[3];
185         } ldr;
186
187 /*0E0*/ struct { /* Destination Format Register */
188                 u32   __reserved_1      : 28,
189                         model           :  4;
190                 u32 __reserved_2[3];
191         } dfr;
192
193 /*0F0*/ struct { /* Spurious Interrupt Vector Register */
194                 u32     spurious_vector :  8,
195                         apic_enabled    :  1,
196                         focus_cpu       :  1,
197                         __reserved_2    : 22;
198                 u32 __reserved_3[3];
199         } svr;
200
201 /*100*/ struct { /* In Service Register */
202 /*170*/         u32 bitfield;
203                 u32 __reserved[3];
204         } isr [8];
205
206 /*180*/ struct { /* Trigger Mode Register */
207 /*1F0*/         u32 bitfield;
208                 u32 __reserved[3];
209         } tmr [8];
210
211 /*200*/ struct { /* Interrupt Request Register */
212 /*270*/         u32 bitfield;
213                 u32 __reserved[3];
214         } irr [8];
215
216 /*280*/ union { /* Error Status Register */
217                 struct {
218                         u32   send_cs_error                     :  1,
219                                 receive_cs_error                :  1,
220                                 send_accept_error               :  1,
221                                 receive_accept_error            :  1,
222                                 __reserved_1                    :  1,
223                                 send_illegal_vector             :  1,
224                                 receive_illegal_vector          :  1,
225                                 illegal_register_address        :  1,
226                                 __reserved_2                    : 24;
227                         u32 __reserved_3[3];
228                 } error_bits;
229                 struct {
230                         u32 errors;
231                         u32 __reserved_3[3];
232                 } all_errors;
233         } esr;
234
235 /*290*/ struct { u32 __reserved[4]; } __reserved_08;
236
237 /*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
238
239 /*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
240
241 /*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
242
243 /*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
244
245 /*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
246
247 /*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
248
249 /*300*/ struct { /* Interrupt Command Register 1 */
250                 u32   vector                    :  8,
251                         delivery_mode           :  3,
252                         destination_mode        :  1,
253                         delivery_status         :  1,
254                         __reserved_1            :  1,
255                         level                   :  1,
256                         trigger                 :  1,
257                         __reserved_2            :  2,
258                         shorthand               :  2,
259                         __reserved_3            :  12;
260                 u32 __reserved_4[3];
261         } icr1;
262
263 /*310*/ struct { /* Interrupt Command Register 2 */
264                 union {
265                         u32   __reserved_1      : 24,
266                                 phys_dest       :  4,
267                                 __reserved_2    :  4;
268                         u32   __reserved_3      : 24,
269                                 logical_dest    :  8;
270                 } dest;
271                 u32 __reserved_4[3];
272         } icr2;
273
274 /*320*/ struct { /* LVT - Timer */
275                 u32   vector            :  8,
276                         __reserved_1    :  4,
277                         delivery_status :  1,
278                         __reserved_2    :  3,
279                         mask            :  1,
280                         timer_mode      :  1,
281                         __reserved_3    : 14;
282                 u32 __reserved_4[3];
283         } lvt_timer;
284
285 /*330*/ struct { /* LVT - Thermal Sensor */
286                 u32  vector             :  8,
287                         delivery_mode   :  3,
288                         __reserved_1    :  1,
289                         delivery_status :  1,
290                         __reserved_2    :  3,
291                         mask            :  1,
292                         __reserved_3    : 15;
293                 u32 __reserved_4[3];
294         } lvt_thermal;
295
296 /*340*/ struct { /* LVT - Performance Counter */
297                 u32   vector            :  8,
298                         delivery_mode   :  3,
299                         __reserved_1    :  1,
300                         delivery_status :  1,
301                         __reserved_2    :  3,
302                         mask            :  1,
303                         __reserved_3    : 15;
304                 u32 __reserved_4[3];
305         } lvt_pc;
306
307 /*350*/ struct { /* LVT - LINT0 */
308                 u32   vector            :  8,
309                         delivery_mode   :  3,
310                         __reserved_1    :  1,
311                         delivery_status :  1,
312                         polarity        :  1,
313                         remote_irr      :  1,
314                         trigger         :  1,
315                         mask            :  1,
316                         __reserved_2    : 15;
317                 u32 __reserved_3[3];
318         } lvt_lint0;
319
320 /*360*/ struct { /* LVT - LINT1 */
321                 u32   vector            :  8,
322                         delivery_mode   :  3,
323                         __reserved_1    :  1,
324                         delivery_status :  1,
325                         polarity        :  1,
326                         remote_irr      :  1,
327                         trigger         :  1,
328                         mask            :  1,
329                         __reserved_2    : 15;
330                 u32 __reserved_3[3];
331         } lvt_lint1;
332
333 /*370*/ struct { /* LVT - Error */
334                 u32   vector            :  8,
335                         __reserved_1    :  4,
336                         delivery_status :  1,
337                         __reserved_2    :  3,
338                         mask            :  1,
339                         __reserved_3    : 15;
340                 u32 __reserved_4[3];
341         } lvt_error;
342
343 /*380*/ struct { /* Timer Initial Count Register */
344                 u32   initial_count;
345                 u32 __reserved_2[3];
346         } timer_icr;
347
348 /*390*/ const
349         struct { /* Timer Current Count Register */
350                 u32   curr_count;
351                 u32 __reserved_2[3];
352         } timer_ccr;
353
354 /*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
355
356 /*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
357
358 /*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
359
360 /*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
361
362 /*3E0*/ struct { /* Timer Divide Configuration Register */
363                 u32   divisor           :  4,
364                         __reserved_1    : 28;
365                 u32 __reserved_2[3];
366         } timer_dcr;
367
368 /*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
369
370 } __attribute__ ((packed));
371
372 #undef u32
373
374 #endif