xref: /openbmc/qemu/hw/intc/omap_intc.c (revision fcf5ef2a)
1 /*
2  * TI OMAP interrupt controller emulation.
3  *
4  * Copyright (C) 2006-2008 Andrzej Zaborowski  <balrog@zabor.org>
5  * Copyright (C) 2007-2008 Nokia Corporation
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 or
10  * (at your option) version 3 of the License.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, see <http://www.gnu.org/licenses/>.
19  */
20 #include "qemu/osdep.h"
21 #include "hw/hw.h"
22 #include "hw/arm/omap.h"
23 #include "hw/sysbus.h"
24 #include "qemu/error-report.h"
25 #include "qapi/error.h"
26 
27 /* Interrupt Handlers */
28 struct omap_intr_handler_bank_s {
29     uint32_t irqs;
30     uint32_t inputs;
31     uint32_t mask;
32     uint32_t fiq;
33     uint32_t sens_edge;
34     uint32_t swi;
35     unsigned char priority[32];
36 };
37 
38 #define TYPE_OMAP_INTC "common-omap-intc"
39 #define OMAP_INTC(obj) \
40     OBJECT_CHECK(struct omap_intr_handler_s, (obj), TYPE_OMAP_INTC)
41 
42 struct omap_intr_handler_s {
43     SysBusDevice parent_obj;
44 
45     qemu_irq *pins;
46     qemu_irq parent_intr[2];
47     MemoryRegion mmio;
48     void *iclk;
49     void *fclk;
50     unsigned char nbanks;
51     int level_only;
52     uint32_t size;
53 
54     uint8_t revision;
55 
56     /* state */
57     uint32_t new_agr[2];
58     int sir_intr[2];
59     int autoidle;
60     uint32_t mask;
61     struct omap_intr_handler_bank_s bank[3];
62 };
63 
64 static void omap_inth_sir_update(struct omap_intr_handler_s *s, int is_fiq)
65 {
66     int i, j, sir_intr, p_intr, p;
67     uint32_t level;
68     sir_intr = 0;
69     p_intr = 255;
70 
71     /* Find the interrupt line with the highest dynamic priority.
72      * Note: 0 denotes the hightest priority.
73      * If all interrupts have the same priority, the default order is IRQ_N,
74      * IRQ_N-1,...,IRQ_0. */
75     for (j = 0; j < s->nbanks; ++j) {
76         level = s->bank[j].irqs & ~s->bank[j].mask &
77                 (is_fiq ? s->bank[j].fiq : ~s->bank[j].fiq);
78 
79         while (level != 0) {
80             i = ctz32(level);
81             p = s->bank[j].priority[i];
82             if (p <= p_intr) {
83                 p_intr = p;
84                 sir_intr = 32 * j + i;
85             }
86             level &= level - 1;
87         }
88     }
89     s->sir_intr[is_fiq] = sir_intr;
90 }
91 
92 static inline void omap_inth_update(struct omap_intr_handler_s *s, int is_fiq)
93 {
94     int i;
95     uint32_t has_intr = 0;
96 
97     for (i = 0; i < s->nbanks; ++i)
98         has_intr |= s->bank[i].irqs & ~s->bank[i].mask &
99                 (is_fiq ? s->bank[i].fiq : ~s->bank[i].fiq);
100 
101     if (s->new_agr[is_fiq] & has_intr & s->mask) {
102         s->new_agr[is_fiq] = 0;
103         omap_inth_sir_update(s, is_fiq);
104         qemu_set_irq(s->parent_intr[is_fiq], 1);
105     }
106 }
107 
108 #define INT_FALLING_EDGE	0
109 #define INT_LOW_LEVEL		1
110 
111 static void omap_set_intr(void *opaque, int irq, int req)
112 {
113     struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
114     uint32_t rise;
115 
116     struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
117     int n = irq & 31;
118 
119     if (req) {
120         rise = ~bank->irqs & (1 << n);
121         if (~bank->sens_edge & (1 << n))
122             rise &= ~bank->inputs;
123 
124         bank->inputs |= (1 << n);
125         if (rise) {
126             bank->irqs |= rise;
127             omap_inth_update(ih, 0);
128             omap_inth_update(ih, 1);
129         }
130     } else {
131         rise = bank->sens_edge & bank->irqs & (1 << n);
132         bank->irqs &= ~rise;
133         bank->inputs &= ~(1 << n);
134     }
135 }
136 
137 /* Simplified version with no edge detection */
138 static void omap_set_intr_noedge(void *opaque, int irq, int req)
139 {
140     struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque;
141     uint32_t rise;
142 
143     struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
144     int n = irq & 31;
145 
146     if (req) {
147         rise = ~bank->inputs & (1 << n);
148         if (rise) {
149             bank->irqs |= bank->inputs |= rise;
150             omap_inth_update(ih, 0);
151             omap_inth_update(ih, 1);
152         }
153     } else
154         bank->irqs = (bank->inputs &= ~(1 << n)) | bank->swi;
155 }
156 
157 static uint64_t omap_inth_read(void *opaque, hwaddr addr,
158                                unsigned size)
159 {
160     struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
161     int i, offset = addr;
162     int bank_no = offset >> 8;
163     int line_no;
164     struct omap_intr_handler_bank_s *bank = &s->bank[bank_no];
165     offset &= 0xff;
166 
167     switch (offset) {
168     case 0x00:	/* ITR */
169         return bank->irqs;
170 
171     case 0x04:	/* MIR */
172         return bank->mask;
173 
174     case 0x10:	/* SIR_IRQ_CODE */
175     case 0x14:  /* SIR_FIQ_CODE */
176         if (bank_no != 0)
177             break;
178         line_no = s->sir_intr[(offset - 0x10) >> 2];
179         bank = &s->bank[line_no >> 5];
180         i = line_no & 31;
181         if (((bank->sens_edge >> i) & 1) == INT_FALLING_EDGE)
182             bank->irqs &= ~(1 << i);
183         return line_no;
184 
185     case 0x18:	/* CONTROL_REG */
186         if (bank_no != 0)
187             break;
188         return 0;
189 
190     case 0x1c:	/* ILR0 */
191     case 0x20:	/* ILR1 */
192     case 0x24:	/* ILR2 */
193     case 0x28:	/* ILR3 */
194     case 0x2c:	/* ILR4 */
195     case 0x30:	/* ILR5 */
196     case 0x34:	/* ILR6 */
197     case 0x38:	/* ILR7 */
198     case 0x3c:	/* ILR8 */
199     case 0x40:	/* ILR9 */
200     case 0x44:	/* ILR10 */
201     case 0x48:	/* ILR11 */
202     case 0x4c:	/* ILR12 */
203     case 0x50:	/* ILR13 */
204     case 0x54:	/* ILR14 */
205     case 0x58:	/* ILR15 */
206     case 0x5c:	/* ILR16 */
207     case 0x60:	/* ILR17 */
208     case 0x64:	/* ILR18 */
209     case 0x68:	/* ILR19 */
210     case 0x6c:	/* ILR20 */
211     case 0x70:	/* ILR21 */
212     case 0x74:	/* ILR22 */
213     case 0x78:	/* ILR23 */
214     case 0x7c:	/* ILR24 */
215     case 0x80:	/* ILR25 */
216     case 0x84:	/* ILR26 */
217     case 0x88:	/* ILR27 */
218     case 0x8c:	/* ILR28 */
219     case 0x90:	/* ILR29 */
220     case 0x94:	/* ILR30 */
221     case 0x98:	/* ILR31 */
222         i = (offset - 0x1c) >> 2;
223         return (bank->priority[i] << 2) |
224                 (((bank->sens_edge >> i) & 1) << 1) |
225                 ((bank->fiq >> i) & 1);
226 
227     case 0x9c:	/* ISR */
228         return 0x00000000;
229 
230     }
231     OMAP_BAD_REG(addr);
232     return 0;
233 }
234 
235 static void omap_inth_write(void *opaque, hwaddr addr,
236                             uint64_t value, unsigned size)
237 {
238     struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
239     int i, offset = addr;
240     int bank_no = offset >> 8;
241     struct omap_intr_handler_bank_s *bank = &s->bank[bank_no];
242     offset &= 0xff;
243 
244     switch (offset) {
245     case 0x00:	/* ITR */
246         /* Important: ignore the clearing if the IRQ is level-triggered and
247            the input bit is 1 */
248         bank->irqs &= value | (bank->inputs & bank->sens_edge);
249         return;
250 
251     case 0x04:	/* MIR */
252         bank->mask = value;
253         omap_inth_update(s, 0);
254         omap_inth_update(s, 1);
255         return;
256 
257     case 0x10:	/* SIR_IRQ_CODE */
258     case 0x14:	/* SIR_FIQ_CODE */
259         OMAP_RO_REG(addr);
260         break;
261 
262     case 0x18:	/* CONTROL_REG */
263         if (bank_no != 0)
264             break;
265         if (value & 2) {
266             qemu_set_irq(s->parent_intr[1], 0);
267             s->new_agr[1] = ~0;
268             omap_inth_update(s, 1);
269         }
270         if (value & 1) {
271             qemu_set_irq(s->parent_intr[0], 0);
272             s->new_agr[0] = ~0;
273             omap_inth_update(s, 0);
274         }
275         return;
276 
277     case 0x1c:	/* ILR0 */
278     case 0x20:	/* ILR1 */
279     case 0x24:	/* ILR2 */
280     case 0x28:	/* ILR3 */
281     case 0x2c:	/* ILR4 */
282     case 0x30:	/* ILR5 */
283     case 0x34:	/* ILR6 */
284     case 0x38:	/* ILR7 */
285     case 0x3c:	/* ILR8 */
286     case 0x40:	/* ILR9 */
287     case 0x44:	/* ILR10 */
288     case 0x48:	/* ILR11 */
289     case 0x4c:	/* ILR12 */
290     case 0x50:	/* ILR13 */
291     case 0x54:	/* ILR14 */
292     case 0x58:	/* ILR15 */
293     case 0x5c:	/* ILR16 */
294     case 0x60:	/* ILR17 */
295     case 0x64:	/* ILR18 */
296     case 0x68:	/* ILR19 */
297     case 0x6c:	/* ILR20 */
298     case 0x70:	/* ILR21 */
299     case 0x74:	/* ILR22 */
300     case 0x78:	/* ILR23 */
301     case 0x7c:	/* ILR24 */
302     case 0x80:	/* ILR25 */
303     case 0x84:	/* ILR26 */
304     case 0x88:	/* ILR27 */
305     case 0x8c:	/* ILR28 */
306     case 0x90:	/* ILR29 */
307     case 0x94:	/* ILR30 */
308     case 0x98:	/* ILR31 */
309         i = (offset - 0x1c) >> 2;
310         bank->priority[i] = (value >> 2) & 0x1f;
311         bank->sens_edge &= ~(1 << i);
312         bank->sens_edge |= ((value >> 1) & 1) << i;
313         bank->fiq &= ~(1 << i);
314         bank->fiq |= (value & 1) << i;
315         return;
316 
317     case 0x9c:	/* ISR */
318         for (i = 0; i < 32; i ++)
319             if (value & (1 << i)) {
320                 omap_set_intr(s, 32 * bank_no + i, 1);
321                 return;
322             }
323         return;
324     }
325     OMAP_BAD_REG(addr);
326 }
327 
328 static const MemoryRegionOps omap_inth_mem_ops = {
329     .read = omap_inth_read,
330     .write = omap_inth_write,
331     .endianness = DEVICE_NATIVE_ENDIAN,
332     .valid = {
333         .min_access_size = 4,
334         .max_access_size = 4,
335     },
336 };
337 
338 static void omap_inth_reset(DeviceState *dev)
339 {
340     struct omap_intr_handler_s *s = OMAP_INTC(dev);
341     int i;
342 
343     for (i = 0; i < s->nbanks; ++i){
344         s->bank[i].irqs = 0x00000000;
345         s->bank[i].mask = 0xffffffff;
346         s->bank[i].sens_edge = 0x00000000;
347         s->bank[i].fiq = 0x00000000;
348         s->bank[i].inputs = 0x00000000;
349         s->bank[i].swi = 0x00000000;
350         memset(s->bank[i].priority, 0, sizeof(s->bank[i].priority));
351 
352         if (s->level_only)
353             s->bank[i].sens_edge = 0xffffffff;
354     }
355 
356     s->new_agr[0] = ~0;
357     s->new_agr[1] = ~0;
358     s->sir_intr[0] = 0;
359     s->sir_intr[1] = 0;
360     s->autoidle = 0;
361     s->mask = ~0;
362 
363     qemu_set_irq(s->parent_intr[0], 0);
364     qemu_set_irq(s->parent_intr[1], 0);
365 }
366 
367 static void omap_intc_init(Object *obj)
368 {
369     DeviceState *dev = DEVICE(obj);
370     struct omap_intr_handler_s *s = OMAP_INTC(obj);
371     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
372 
373     s->nbanks = 1;
374     sysbus_init_irq(sbd, &s->parent_intr[0]);
375     sysbus_init_irq(sbd, &s->parent_intr[1]);
376     qdev_init_gpio_in(dev, omap_set_intr, s->nbanks * 32);
377     memory_region_init_io(&s->mmio, obj, &omap_inth_mem_ops, s,
378                           "omap-intc", s->size);
379     sysbus_init_mmio(sbd, &s->mmio);
380 }
381 
382 static void omap_intc_realize(DeviceState *dev, Error **errp)
383 {
384     struct omap_intr_handler_s *s = OMAP_INTC(dev);
385 
386     if (!s->iclk) {
387         error_setg(errp, "omap-intc: clk not connected");
388     }
389 }
390 
391 static Property omap_intc_properties[] = {
392     DEFINE_PROP_UINT32("size", struct omap_intr_handler_s, size, 0x100),
393     DEFINE_PROP_PTR("clk", struct omap_intr_handler_s, iclk),
394     DEFINE_PROP_END_OF_LIST(),
395 };
396 
397 static void omap_intc_class_init(ObjectClass *klass, void *data)
398 {
399     DeviceClass *dc = DEVICE_CLASS(klass);
400 
401     dc->reset = omap_inth_reset;
402     dc->props = omap_intc_properties;
403     /* Reason: pointer property "clk" */
404     dc->cannot_instantiate_with_device_add_yet = true;
405     dc->realize = omap_intc_realize;
406 }
407 
408 static const TypeInfo omap_intc_info = {
409     .name          = "omap-intc",
410     .parent        = TYPE_OMAP_INTC,
411     .instance_init = omap_intc_init,
412     .class_init    = omap_intc_class_init,
413 };
414 
415 static uint64_t omap2_inth_read(void *opaque, hwaddr addr,
416                                 unsigned size)
417 {
418     struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
419     int offset = addr;
420     int bank_no, line_no;
421     struct omap_intr_handler_bank_s *bank = NULL;
422 
423     if ((offset & 0xf80) == 0x80) {
424         bank_no = (offset & 0x60) >> 5;
425         if (bank_no < s->nbanks) {
426             offset &= ~0x60;
427             bank = &s->bank[bank_no];
428         } else {
429             OMAP_BAD_REG(addr);
430             return 0;
431         }
432     }
433 
434     switch (offset) {
435     case 0x00:	/* INTC_REVISION */
436         return s->revision;
437 
438     case 0x10:	/* INTC_SYSCONFIG */
439         return (s->autoidle >> 2) & 1;
440 
441     case 0x14:	/* INTC_SYSSTATUS */
442         return 1;						/* RESETDONE */
443 
444     case 0x40:	/* INTC_SIR_IRQ */
445         return s->sir_intr[0];
446 
447     case 0x44:	/* INTC_SIR_FIQ */
448         return s->sir_intr[1];
449 
450     case 0x48:	/* INTC_CONTROL */
451         return (!s->mask) << 2;					/* GLOBALMASK */
452 
453     case 0x4c:	/* INTC_PROTECTION */
454         return 0;
455 
456     case 0x50:	/* INTC_IDLE */
457         return s->autoidle & 3;
458 
459     /* Per-bank registers */
460     case 0x80:	/* INTC_ITR */
461         return bank->inputs;
462 
463     case 0x84:	/* INTC_MIR */
464         return bank->mask;
465 
466     case 0x88:	/* INTC_MIR_CLEAR */
467     case 0x8c:	/* INTC_MIR_SET */
468         return 0;
469 
470     case 0x90:	/* INTC_ISR_SET */
471         return bank->swi;
472 
473     case 0x94:	/* INTC_ISR_CLEAR */
474         return 0;
475 
476     case 0x98:	/* INTC_PENDING_IRQ */
477         return bank->irqs & ~bank->mask & ~bank->fiq;
478 
479     case 0x9c:	/* INTC_PENDING_FIQ */
480         return bank->irqs & ~bank->mask & bank->fiq;
481 
482     /* Per-line registers */
483     case 0x100 ... 0x300:	/* INTC_ILR */
484         bank_no = (offset - 0x100) >> 7;
485         if (bank_no > s->nbanks)
486             break;
487         bank = &s->bank[bank_no];
488         line_no = (offset & 0x7f) >> 2;
489         return (bank->priority[line_no] << 2) |
490                 ((bank->fiq >> line_no) & 1);
491     }
492     OMAP_BAD_REG(addr);
493     return 0;
494 }
495 
496 static void omap2_inth_write(void *opaque, hwaddr addr,
497                              uint64_t value, unsigned size)
498 {
499     struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque;
500     int offset = addr;
501     int bank_no, line_no;
502     struct omap_intr_handler_bank_s *bank = NULL;
503 
504     if ((offset & 0xf80) == 0x80) {
505         bank_no = (offset & 0x60) >> 5;
506         if (bank_no < s->nbanks) {
507             offset &= ~0x60;
508             bank = &s->bank[bank_no];
509         } else {
510             OMAP_BAD_REG(addr);
511             return;
512         }
513     }
514 
515     switch (offset) {
516     case 0x10:	/* INTC_SYSCONFIG */
517         s->autoidle &= 4;
518         s->autoidle |= (value & 1) << 2;
519         if (value & 2) {                                        /* SOFTRESET */
520             omap_inth_reset(DEVICE(s));
521         }
522         return;
523 
524     case 0x48:	/* INTC_CONTROL */
525         s->mask = (value & 4) ? 0 : ~0;				/* GLOBALMASK */
526         if (value & 2) {					/* NEWFIQAGR */
527             qemu_set_irq(s->parent_intr[1], 0);
528             s->new_agr[1] = ~0;
529             omap_inth_update(s, 1);
530         }
531         if (value & 1) {					/* NEWIRQAGR */
532             qemu_set_irq(s->parent_intr[0], 0);
533             s->new_agr[0] = ~0;
534             omap_inth_update(s, 0);
535         }
536         return;
537 
538     case 0x4c:	/* INTC_PROTECTION */
539         /* TODO: Make a bitmap (or sizeof(char)map) of access privileges
540          * for every register, see Chapter 3 and 4 for privileged mode.  */
541         if (value & 1)
542             fprintf(stderr, "%s: protection mode enable attempt\n",
543                             __FUNCTION__);
544         return;
545 
546     case 0x50:	/* INTC_IDLE */
547         s->autoidle &= ~3;
548         s->autoidle |= value & 3;
549         return;
550 
551     /* Per-bank registers */
552     case 0x84:	/* INTC_MIR */
553         bank->mask = value;
554         omap_inth_update(s, 0);
555         omap_inth_update(s, 1);
556         return;
557 
558     case 0x88:	/* INTC_MIR_CLEAR */
559         bank->mask &= ~value;
560         omap_inth_update(s, 0);
561         omap_inth_update(s, 1);
562         return;
563 
564     case 0x8c:	/* INTC_MIR_SET */
565         bank->mask |= value;
566         return;
567 
568     case 0x90:	/* INTC_ISR_SET */
569         bank->irqs |= bank->swi |= value;
570         omap_inth_update(s, 0);
571         omap_inth_update(s, 1);
572         return;
573 
574     case 0x94:	/* INTC_ISR_CLEAR */
575         bank->swi &= ~value;
576         bank->irqs = bank->swi & bank->inputs;
577         return;
578 
579     /* Per-line registers */
580     case 0x100 ... 0x300:	/* INTC_ILR */
581         bank_no = (offset - 0x100) >> 7;
582         if (bank_no > s->nbanks)
583             break;
584         bank = &s->bank[bank_no];
585         line_no = (offset & 0x7f) >> 2;
586         bank->priority[line_no] = (value >> 2) & 0x3f;
587         bank->fiq &= ~(1 << line_no);
588         bank->fiq |= (value & 1) << line_no;
589         return;
590 
591     case 0x00:	/* INTC_REVISION */
592     case 0x14:	/* INTC_SYSSTATUS */
593     case 0x40:	/* INTC_SIR_IRQ */
594     case 0x44:	/* INTC_SIR_FIQ */
595     case 0x80:	/* INTC_ITR */
596     case 0x98:	/* INTC_PENDING_IRQ */
597     case 0x9c:	/* INTC_PENDING_FIQ */
598         OMAP_RO_REG(addr);
599         return;
600     }
601     OMAP_BAD_REG(addr);
602 }
603 
604 static const MemoryRegionOps omap2_inth_mem_ops = {
605     .read = omap2_inth_read,
606     .write = omap2_inth_write,
607     .endianness = DEVICE_NATIVE_ENDIAN,
608     .valid = {
609         .min_access_size = 4,
610         .max_access_size = 4,
611     },
612 };
613 
614 static void omap2_intc_init(Object *obj)
615 {
616     DeviceState *dev = DEVICE(obj);
617     struct omap_intr_handler_s *s = OMAP_INTC(obj);
618     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
619 
620     s->level_only = 1;
621     s->nbanks = 3;
622     sysbus_init_irq(sbd, &s->parent_intr[0]);
623     sysbus_init_irq(sbd, &s->parent_intr[1]);
624     qdev_init_gpio_in(dev, omap_set_intr_noedge, s->nbanks * 32);
625     memory_region_init_io(&s->mmio, obj, &omap2_inth_mem_ops, s,
626                           "omap2-intc", 0x1000);
627     sysbus_init_mmio(sbd, &s->mmio);
628 }
629 
630 static void omap2_intc_realize(DeviceState *dev, Error **errp)
631 {
632     struct omap_intr_handler_s *s = OMAP_INTC(dev);
633 
634     if (!s->iclk) {
635         error_setg(errp, "omap2-intc: iclk not connected");
636         return;
637     }
638     if (!s->fclk) {
639         error_setg(errp, "omap2-intc: fclk not connected");
640         return;
641     }
642 }
643 
644 static Property omap2_intc_properties[] = {
645     DEFINE_PROP_UINT8("revision", struct omap_intr_handler_s,
646     revision, 0x21),
647     DEFINE_PROP_PTR("iclk", struct omap_intr_handler_s, iclk),
648     DEFINE_PROP_PTR("fclk", struct omap_intr_handler_s, fclk),
649     DEFINE_PROP_END_OF_LIST(),
650 };
651 
652 static void omap2_intc_class_init(ObjectClass *klass, void *data)
653 {
654     DeviceClass *dc = DEVICE_CLASS(klass);
655 
656     dc->reset = omap_inth_reset;
657     dc->props = omap2_intc_properties;
658     /* Reason: pointer property "iclk", "fclk" */
659     dc->cannot_instantiate_with_device_add_yet = true;
660     dc->realize = omap2_intc_realize;
661 }
662 
663 static const TypeInfo omap2_intc_info = {
664     .name          = "omap2-intc",
665     .parent        = TYPE_OMAP_INTC,
666     .instance_init = omap2_intc_init,
667     .class_init    = omap2_intc_class_init,
668 };
669 
670 static const TypeInfo omap_intc_type_info = {
671     .name          = TYPE_OMAP_INTC,
672     .parent        = TYPE_SYS_BUS_DEVICE,
673     .instance_size = sizeof(struct omap_intr_handler_s),
674     .abstract      = true,
675 };
676 
677 static void omap_intc_register_types(void)
678 {
679     type_register_static(&omap_intc_type_info);
680     type_register_static(&omap_intc_info);
681     type_register_static(&omap2_intc_info);
682 }
683 
684 type_init(omap_intc_register_types)
685