10 |
10 |
#include "hw.h"
|
11 |
11 |
#include "qemu-timer.h"
|
12 |
12 |
#include "sysemu.h"
|
13 |
|
#include "qdev.h"
|
14 |
13 |
#include "pxa.h"
|
|
14 |
#include "sysbus.h"
|
15 |
15 |
|
16 |
16 |
#define OSMR0 0x00
|
17 |
17 |
#define OSMR1 0x04
|
... | ... | |
60 |
60 |
[5 ... 7] = 0,
|
61 |
61 |
};
|
62 |
62 |
|
|
63 |
typedef struct PXA2xxTimerInfo PXA2xxTimerInfo;
|
|
64 |
|
63 |
65 |
typedef struct {
|
64 |
66 |
uint32_t value;
|
65 |
67 |
int level;
|
66 |
|
qemu_irq irq;
|
67 |
68 |
QEMUTimer *qtimer;
|
68 |
69 |
int num;
|
69 |
|
void *info;
|
|
70 |
PXA2xxTimerInfo *info;
|
70 |
71 |
} PXA2xxTimer0;
|
71 |
72 |
|
72 |
73 |
typedef struct {
|
... | ... | |
78 |
79 |
uint32_t control;
|
79 |
80 |
} PXA2xxTimer4;
|
80 |
81 |
|
81 |
|
typedef struct {
|
|
82 |
struct PXA2xxTimerInfo {
|
|
83 |
SysBusDevice busdev;
|
|
84 |
uint32_t flags;
|
|
85 |
|
82 |
86 |
int32_t clock;
|
83 |
87 |
int32_t oldclock;
|
84 |
88 |
uint64_t lastload;
|
85 |
89 |
uint32_t freq;
|
86 |
90 |
PXA2xxTimer0 timer[4];
|
87 |
|
PXA2xxTimer4 *tm4;
|
|
91 |
qemu_irq irqs[5];
|
88 |
92 |
uint32_t events;
|
89 |
93 |
uint32_t irq_enabled;
|
90 |
94 |
uint32_t reset3;
|
91 |
95 |
uint32_t snapshot;
|
92 |
|
} PXA2xxTimerInfo;
|
|
96 |
|
|
97 |
PXA2xxTimer4 tm4[8];
|
|
98 |
qemu_irq irq4;
|
|
99 |
};
|
|
100 |
|
|
101 |
#define PXA2XX_TIMER_HAVE_TM4 0
|
|
102 |
|
|
103 |
static inline int pxa2xx_timer_has_tm4(PXA2xxTimerInfo *s)
|
|
104 |
{
|
|
105 |
return s->flags & (1 << PXA2XX_TIMER_HAVE_TM4);
|
|
106 |
}
|
93 |
107 |
|
94 |
108 |
static void pxa2xx_timer_update(void *opaque, uint64_t now_qemu)
|
95 |
109 |
{
|
... | ... | |
154 |
168 |
case OSMR6: tm ++;
|
155 |
169 |
case OSMR5: tm ++;
|
156 |
170 |
case OSMR4:
|
157 |
|
if (!s->tm4)
|
|
171 |
if (!pxa2xx_timer_has_tm4(s))
|
158 |
172 |
goto badreg;
|
159 |
173 |
return s->tm4[tm].tm.value;
|
160 |
174 |
case OSCR:
|
... | ... | |
168 |
182 |
case OSCR6: tm ++;
|
169 |
183 |
case OSCR5: tm ++;
|
170 |
184 |
case OSCR4:
|
171 |
|
if (!s->tm4)
|
|
185 |
if (!pxa2xx_timer_has_tm4(s))
|
172 |
186 |
goto badreg;
|
173 |
187 |
|
174 |
188 |
if ((tm == 9 - 4 || tm == 11 - 4) && (s->tm4[tm].control & (1 << 9))) {
|
... | ... | |
199 |
213 |
case OMCR6: tm ++;
|
200 |
214 |
case OMCR5: tm ++;
|
201 |
215 |
case OMCR4:
|
202 |
|
if (!s->tm4)
|
|
216 |
if (!pxa2xx_timer_has_tm4(s))
|
203 |
217 |
goto badreg;
|
204 |
218 |
return s->tm4[tm].control;
|
205 |
219 |
case OSNR:
|
... | ... | |
234 |
248 |
case OSMR6: tm ++;
|
235 |
249 |
case OSMR5: tm ++;
|
236 |
250 |
case OSMR4:
|
237 |
|
if (!s->tm4)
|
|
251 |
if (!pxa2xx_timer_has_tm4(s))
|
238 |
252 |
goto badreg;
|
239 |
253 |
s->tm4[tm].tm.value = value;
|
240 |
254 |
pxa2xx_timer_update4(s, qemu_get_clock(vm_clock), tm);
|
... | ... | |
253 |
267 |
case OSCR6: tm ++;
|
254 |
268 |
case OSCR5: tm ++;
|
255 |
269 |
case OSCR4:
|
256 |
|
if (!s->tm4)
|
|
270 |
if (!pxa2xx_timer_has_tm4(s))
|
257 |
271 |
goto badreg;
|
258 |
272 |
s->tm4[tm].oldclock = s->tm4[tm].clock;
|
259 |
273 |
s->tm4[tm].lastload = qemu_get_clock(vm_clock);
|
... | ... | |
268 |
282 |
for (i = 0; i < 4; i ++, value >>= 1) {
|
269 |
283 |
if (s->timer[i].level && (value & 1)) {
|
270 |
284 |
s->timer[i].level = 0;
|
271 |
|
qemu_irq_lower(s->timer[i].irq);
|
|
285 |
qemu_irq_lower(s->irqs[i]);
|
272 |
286 |
}
|
273 |
287 |
}
|
274 |
|
if (s->tm4) {
|
|
288 |
if (pxa2xx_timer_has_tm4(s)) {
|
275 |
289 |
for (i = 0; i < 8; i ++, value >>= 1)
|
276 |
290 |
if (s->tm4[i].tm.level && (value & 1))
|
277 |
291 |
s->tm4[i].tm.level = 0;
|
278 |
292 |
if (!(s->events & 0xff0))
|
279 |
|
qemu_irq_lower(s->tm4->tm.irq);
|
|
293 |
qemu_irq_lower(s->irq4);
|
280 |
294 |
}
|
281 |
295 |
break;
|
282 |
296 |
case OWER: /* XXX: Reset on OSMR3 match? */
|
... | ... | |
286 |
300 |
case OMCR6: tm ++;
|
287 |
301 |
case OMCR5: tm ++;
|
288 |
302 |
case OMCR4:
|
289 |
|
if (!s->tm4)
|
|
303 |
if (!pxa2xx_timer_has_tm4(s))
|
290 |
304 |
goto badreg;
|
291 |
305 |
s->tm4[tm].control = value & 0x0ff;
|
292 |
306 |
/* XXX Stop if running (shouldn't happen) */
|
... | ... | |
301 |
315 |
case OMCR10: tm ++;
|
302 |
316 |
case OMCR9: tm ++;
|
303 |
317 |
case OMCR8: tm += 4;
|
304 |
|
if (!s->tm4)
|
|
318 |
if (!pxa2xx_timer_has_tm4(s))
|
305 |
319 |
goto badreg;
|
306 |
320 |
s->tm4[tm].control = value & 0x3ff;
|
307 |
321 |
/* XXX Stop if running (shouldn't happen) */
|
... | ... | |
334 |
348 |
static void pxa2xx_timer_tick(void *opaque)
|
335 |
349 |
{
|
336 |
350 |
PXA2xxTimer0 *t = (PXA2xxTimer0 *) opaque;
|
337 |
|
PXA2xxTimerInfo *i = (PXA2xxTimerInfo *) t->info;
|
|
351 |
PXA2xxTimerInfo *i = t->info;
|
338 |
352 |
|
339 |
353 |
if (i->irq_enabled & (1 << t->num)) {
|
340 |
354 |
t->level = 1;
|
341 |
355 |
i->events |= 1 << t->num;
|
342 |
|
qemu_irq_raise(t->irq);
|
|
356 |
qemu_irq_raise(t->num < 4 ? i->irqs[t->num] : i->irq4);
|
343 |
357 |
}
|
344 |
358 |
|
345 |
359 |
if (t->num == 3)
|
... | ... | |
361 |
375 |
pxa2xx_timer_update4(i, qemu_get_clock(vm_clock), t->tm.num - 4);
|
362 |
376 |
}
|
363 |
377 |
|
364 |
|
static void pxa2xx_timer_save(QEMUFile *f, void *opaque)
|
365 |
|
{
|
366 |
|
PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque;
|
367 |
|
int i;
|
368 |
|
|
369 |
|
qemu_put_be32s(f, (uint32_t *) &s->clock);
|
370 |
|
qemu_put_be32s(f, (uint32_t *) &s->oldclock);
|
371 |
|
qemu_put_be64s(f, &s->lastload);
|
372 |
|
|
373 |
|
for (i = 0; i < 4; i ++) {
|
374 |
|
qemu_put_be32s(f, &s->timer[i].value);
|
375 |
|
qemu_put_be32(f, s->timer[i].level);
|
376 |
|
}
|
377 |
|
if (s->tm4)
|
378 |
|
for (i = 0; i < 8; i ++) {
|
379 |
|
qemu_put_be32s(f, &s->tm4[i].tm.value);
|
380 |
|
qemu_put_be32(f, s->tm4[i].tm.level);
|
381 |
|
qemu_put_sbe32s(f, &s->tm4[i].oldclock);
|
382 |
|
qemu_put_sbe32s(f, &s->tm4[i].clock);
|
383 |
|
qemu_put_be64s(f, &s->tm4[i].lastload);
|
384 |
|
qemu_put_be32s(f, &s->tm4[i].freq);
|
385 |
|
qemu_put_be32s(f, &s->tm4[i].control);
|
386 |
|
}
|
387 |
|
|
388 |
|
qemu_put_be32s(f, &s->events);
|
389 |
|
qemu_put_be32s(f, &s->irq_enabled);
|
390 |
|
qemu_put_be32s(f, &s->reset3);
|
391 |
|
qemu_put_be32s(f, &s->snapshot);
|
392 |
|
}
|
393 |
|
|
394 |
|
static int pxa2xx_timer_load(QEMUFile *f, void *opaque, int version_id)
|
|
378 |
static int pxa25x_timer_post_load(void *opaque, int version_id)
|
395 |
379 |
{
|
396 |
380 |
PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque;
|
397 |
381 |
int64_t now;
|
398 |
382 |
int i;
|
399 |
383 |
|
400 |
|
qemu_get_be32s(f, (uint32_t *) &s->clock);
|
401 |
|
qemu_get_be32s(f, (uint32_t *) &s->oldclock);
|
402 |
|
qemu_get_be64s(f, &s->lastload);
|
403 |
|
|
404 |
384 |
now = qemu_get_clock(vm_clock);
|
405 |
|
for (i = 0; i < 4; i ++) {
|
406 |
|
qemu_get_be32s(f, &s->timer[i].value);
|
407 |
|
s->timer[i].level = qemu_get_be32(f);
|
408 |
|
}
|
409 |
385 |
pxa2xx_timer_update(s, now);
|
410 |
386 |
|
411 |
|
if (s->tm4)
|
412 |
|
for (i = 0; i < 8; i ++) {
|
413 |
|
qemu_get_be32s(f, &s->tm4[i].tm.value);
|
414 |
|
s->tm4[i].tm.level = qemu_get_be32(f);
|
415 |
|
qemu_get_sbe32s(f, &s->tm4[i].oldclock);
|
416 |
|
qemu_get_sbe32s(f, &s->tm4[i].clock);
|
417 |
|
qemu_get_be64s(f, &s->tm4[i].lastload);
|
418 |
|
qemu_get_be32s(f, &s->tm4[i].freq);
|
419 |
|
qemu_get_be32s(f, &s->tm4[i].control);
|
|
387 |
if (pxa2xx_timer_has_tm4(s))
|
|
388 |
for (i = 0; i < 8; i ++)
|
420 |
389 |
pxa2xx_timer_update4(s, now, i);
|
421 |
|
}
|
422 |
|
|
423 |
|
qemu_get_be32s(f, &s->events);
|
424 |
|
qemu_get_be32s(f, &s->irq_enabled);
|
425 |
|
qemu_get_be32s(f, &s->reset3);
|
426 |
|
qemu_get_be32s(f, &s->snapshot);
|
427 |
390 |
|
428 |
391 |
return 0;
|
429 |
392 |
}
|
430 |
393 |
|
431 |
|
static PXA2xxTimerInfo *pxa2xx_timer_init(target_phys_addr_t base,
|
432 |
|
DeviceState *pic)
|
|
394 |
static int pxa2xx_timer_init(SysBusDevice *dev)
|
433 |
395 |
{
|
434 |
396 |
int i;
|
435 |
397 |
int iomemtype;
|
436 |
398 |
PXA2xxTimerInfo *s;
|
437 |
399 |
|
438 |
|
s = (PXA2xxTimerInfo *) qemu_mallocz(sizeof(PXA2xxTimerInfo));
|
|
400 |
s = FROM_SYSBUS(PXA2xxTimerInfo, dev);
|
439 |
401 |
s->irq_enabled = 0;
|
440 |
402 |
s->oldclock = 0;
|
441 |
403 |
s->clock = 0;
|
... | ... | |
444 |
406 |
|
445 |
407 |
for (i = 0; i < 4; i ++) {
|
446 |
408 |
s->timer[i].value = 0;
|
447 |
|
s->timer[i].irq = qdev_get_gpio_in(pic, PXA2XX_PIC_OST_0 + i);
|
|
409 |
sysbus_init_irq(dev, &s->irqs[i]);
|
448 |
410 |
s->timer[i].info = s;
|
449 |
411 |
s->timer[i].num = i;
|
450 |
412 |
s->timer[i].level = 0;
|
451 |
413 |
s->timer[i].qtimer = qemu_new_timer(vm_clock,
|
452 |
414 |
pxa2xx_timer_tick, &s->timer[i]);
|
453 |
415 |
}
|
|
416 |
if (s->flags & (1 << PXA2XX_TIMER_HAVE_TM4)) {
|
|
417 |
sysbus_init_irq(dev, &s->irq4);
|
|
418 |
|
|
419 |
for (i = 0; i < 8; i ++) {
|
|
420 |
s->tm4[i].tm.value = 0;
|
|
421 |
s->tm4[i].tm.info = s;
|
|
422 |
s->tm4[i].tm.num = i + 4;
|
|
423 |
s->tm4[i].tm.level = 0;
|
|
424 |
s->tm4[i].freq = 0;
|
|
425 |
s->tm4[i].control = 0x0;
|
|
426 |
s->tm4[i].tm.qtimer = qemu_new_timer(vm_clock,
|
|
427 |
pxa2xx_timer_tick4, &s->tm4[i]);
|
|
428 |
}
|
|
429 |
}
|
454 |
430 |
|
455 |
431 |
iomemtype = cpu_register_io_memory(pxa2xx_timer_readfn,
|
456 |
432 |
pxa2xx_timer_writefn, s, DEVICE_NATIVE_ENDIAN);
|
457 |
|
cpu_register_physical_memory(base, 0x00001000, iomemtype);
|
|
433 |
sysbus_init_mmio(dev, 0x00001000, iomemtype);
|
458 |
434 |
|
459 |
|
register_savevm(NULL, "pxa2xx_timer", 0, 0,
|
460 |
|
pxa2xx_timer_save, pxa2xx_timer_load, s);
|
461 |
|
|
462 |
|
return s;
|
|
435 |
return 0;
|
463 |
436 |
}
|
464 |
437 |
|
465 |
|
void pxa25x_timer_init(target_phys_addr_t base, DeviceState *pic)
|
|
438 |
static const VMStateDescription vmstate_pxa2xx_timer0_regs = {
|
|
439 |
.name = "pxa2xx_timer0",
|
|
440 |
.version_id = 1,
|
|
441 |
.minimum_version_id = 1,
|
|
442 |
.minimum_version_id_old = 1,
|
|
443 |
.fields = (VMStateField[]) {
|
|
444 |
VMSTATE_UINT32(value, PXA2xxTimer0),
|
|
445 |
VMSTATE_INT32(level, PXA2xxTimer0),
|
|
446 |
VMSTATE_END_OF_LIST(),
|
|
447 |
},
|
|
448 |
};
|
|
449 |
|
|
450 |
static const VMStateDescription vmstate_pxa2xx_timer4_regs = {
|
|
451 |
.name = "pxa2xx_timer4",
|
|
452 |
.version_id = 1,
|
|
453 |
.minimum_version_id = 1,
|
|
454 |
.minimum_version_id_old = 1,
|
|
455 |
.fields = (VMStateField[]) {
|
|
456 |
VMSTATE_STRUCT(tm, PXA2xxTimer4, 1,
|
|
457 |
vmstate_pxa2xx_timer0_regs, PXA2xxTimer0),
|
|
458 |
VMSTATE_INT32(oldclock, PXA2xxTimer4),
|
|
459 |
VMSTATE_INT32(clock, PXA2xxTimer4),
|
|
460 |
VMSTATE_UINT64(lastload, PXA2xxTimer4),
|
|
461 |
VMSTATE_UINT32(freq, PXA2xxTimer4),
|
|
462 |
VMSTATE_UINT32(control, PXA2xxTimer4),
|
|
463 |
VMSTATE_END_OF_LIST(),
|
|
464 |
},
|
|
465 |
};
|
|
466 |
|
|
467 |
static bool pxa2xx_timer_has_tm4_test(void *opaque, int version_id)
|
466 |
468 |
{
|
467 |
|
PXA2xxTimerInfo *s = pxa2xx_timer_init(base, pic);
|
468 |
|
s->freq = PXA25X_FREQ;
|
469 |
|
s->tm4 = NULL;
|
|
469 |
return pxa2xx_timer_has_tm4(opaque);
|
470 |
470 |
}
|
471 |
471 |
|
472 |
|
void pxa27x_timer_init(target_phys_addr_t base, DeviceState *pic)
|
473 |
|
{
|
474 |
|
PXA2xxTimerInfo *s = pxa2xx_timer_init(base, pic);
|
475 |
|
int i;
|
476 |
|
s->freq = PXA27X_FREQ;
|
477 |
|
s->tm4 = (PXA2xxTimer4 *) qemu_mallocz(8 *
|
478 |
|
sizeof(PXA2xxTimer4));
|
479 |
|
for (i = 0; i < 8; i ++) {
|
480 |
|
s->tm4[i].tm.value = 0;
|
481 |
|
s->tm4[i].tm.irq = qdev_get_gpio_in(pic, PXA27X_PIC_OST_4_11);
|
482 |
|
s->tm4[i].tm.info = s;
|
483 |
|
s->tm4[i].tm.num = i + 4;
|
484 |
|
s->tm4[i].tm.level = 0;
|
485 |
|
s->tm4[i].freq = 0;
|
486 |
|
s->tm4[i].control = 0x0;
|
487 |
|
s->tm4[i].tm.qtimer = qemu_new_timer(vm_clock,
|
488 |
|
pxa2xx_timer_tick4, &s->tm4[i]);
|
|
472 |
static const VMStateDescription vmstate_pxa2xx_timer_regs = {
|
|
473 |
.name = "pxa2xx_timer",
|
|
474 |
.version_id = 1,
|
|
475 |
.minimum_version_id = 1,
|
|
476 |
.minimum_version_id_old = 1,
|
|
477 |
.post_load = pxa25x_timer_post_load,
|
|
478 |
.fields = (VMStateField[]) {
|
|
479 |
VMSTATE_INT32(clock, PXA2xxTimerInfo),
|
|
480 |
VMSTATE_INT32(oldclock, PXA2xxTimerInfo),
|
|
481 |
VMSTATE_UINT64(lastload, PXA2xxTimerInfo),
|
|
482 |
VMSTATE_STRUCT_ARRAY(timer, PXA2xxTimerInfo, 4, 1,
|
|
483 |
vmstate_pxa2xx_timer0_regs, PXA2xxTimer0),
|
|
484 |
VMSTATE_UINT32(events, PXA2xxTimerInfo),
|
|
485 |
VMSTATE_UINT32(irq_enabled, PXA2xxTimerInfo),
|
|
486 |
VMSTATE_UINT32(reset3, PXA2xxTimerInfo),
|
|
487 |
VMSTATE_UINT32(snapshot, PXA2xxTimerInfo),
|
|
488 |
VMSTATE_STRUCT_ARRAY_TEST(tm4, PXA2xxTimerInfo, 8,
|
|
489 |
pxa2xx_timer_has_tm4_test, 0,
|
|
490 |
vmstate_pxa2xx_timer4_regs, PXA2xxTimer4),
|
|
491 |
VMSTATE_END_OF_LIST(),
|
489 |
492 |
}
|
490 |
|
}
|
|
493 |
};
|
|
494 |
|
|
495 |
static SysBusDeviceInfo pxa25x_timer_dev_info = {
|
|
496 |
.init = pxa2xx_timer_init,
|
|
497 |
.qdev.name = "pxa25x-timer",
|
|
498 |
.qdev.desc = "PXA25x timer",
|
|
499 |
.qdev.size = sizeof(PXA2xxTimerInfo),
|
|
500 |
.qdev.vmsd = &vmstate_pxa2xx_timer_regs,
|
|
501 |
.qdev.props = (Property[]) {
|
|
502 |
DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA25X_FREQ),
|
|
503 |
DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags,
|
|
504 |
PXA2XX_TIMER_HAVE_TM4, false),
|
|
505 |
DEFINE_PROP_END_OF_LIST(),
|
|
506 |
},
|
|
507 |
};
|
|
508 |
|
|
509 |
static SysBusDeviceInfo pxa27x_timer_dev_info = {
|
|
510 |
.init = pxa2xx_timer_init,
|
|
511 |
.qdev.name = "pxa27x-timer",
|
|
512 |
.qdev.desc = "PXA27x timer",
|
|
513 |
.qdev.size = sizeof(PXA2xxTimerInfo),
|
|
514 |
.qdev.vmsd = &vmstate_pxa2xx_timer_regs,
|
|
515 |
.qdev.props = (Property[]) {
|
|
516 |
DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA27X_FREQ),
|
|
517 |
DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags,
|
|
518 |
PXA2XX_TIMER_HAVE_TM4, true),
|
|
519 |
DEFINE_PROP_END_OF_LIST(),
|
|
520 |
},
|
|
521 |
};
|
|
522 |
|
|
523 |
static void pxa2xx_timer_register(void)
|
|
524 |
{
|
|
525 |
sysbus_register_withprop(&pxa25x_timer_dev_info);
|
|
526 |
sysbus_register_withprop(&pxa27x_timer_dev_info);
|
|
527 |
};
|
|
528 |
device_init(pxa2xx_timer_register);
|