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virtio-pci: Convert fprintf() to error_report()
[qemu/mdroth.git] / hw / omap1.c
blobf4966f74b66aad2fcd913ddf67458d7e6647973b
1 /*
2 * TI OMAP processors emulation.
3 *
4 * Copyright (C) 2006-2008 Andrzej Zaborowski <balrog@zabor.org>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 or
9 * (at your option) version 3 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19 #include "hw.h"
20 #include "arm-misc.h"
21 #include "omap.h"
22 #include "sysemu.h"
23 #include "qemu-timer.h"
24 #include "qemu-char.h"
25 #include "soc_dma.h"
26 /* We use pc-style serial ports. */
27 #include "pc.h"
28 #include "blockdev.h"
29 #include "range.h"
30
31 /* Should signal the TCMI/GPMC */
32 uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr)
33 {
34 uint8_t ret;
35
36 OMAP_8B_REG(addr);
37 cpu_physical_memory_read(addr, (void *) &ret, 1);
38 return ret;
39 }
40
41 void omap_badwidth_write8(void *opaque, target_phys_addr_t addr,
42 uint32_t value)
43 {
44 uint8_t val8 = value;
45
46 OMAP_8B_REG(addr);
47 cpu_physical_memory_write(addr, (void *) &val8, 1);
48 }
49
50 uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr)
51 {
52 uint16_t ret;
53
54 OMAP_16B_REG(addr);
55 cpu_physical_memory_read(addr, (void *) &ret, 2);
56 return ret;
57 }
58
59 void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
60 uint32_t value)
61 {
62 uint16_t val16 = value;
63
64 OMAP_16B_REG(addr);
65 cpu_physical_memory_write(addr, (void *) &val16, 2);
66 }
67
68 uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr)
69 {
70 uint32_t ret;
71
72 OMAP_32B_REG(addr);
73 cpu_physical_memory_read(addr, (void *) &ret, 4);
74 return ret;
75 }
76
77 void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
78 uint32_t value)
79 {
80 OMAP_32B_REG(addr);
81 cpu_physical_memory_write(addr, (void *) &value, 4);
82 }
83
84 /* MPU OS timers */
85 struct omap_mpu_timer_s {
86 qemu_irq irq;
87 omap_clk clk;
88 uint32_t val;
89 int64_t time;
90 QEMUTimer *timer;
91 QEMUBH *tick;
92 int64_t rate;
93 int it_ena;
94
95 int enable;
96 int ptv;
97 int ar;
98 int st;
99 uint32_t reset_val;
100 };
101
102 static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer)
103 {
104 uint64_t distance = qemu_get_clock(vm_clock) - timer->time;
105
106 if (timer->st && timer->enable && timer->rate)
107 return timer->val - muldiv64(distance >> (timer->ptv + 1),
108 timer->rate, get_ticks_per_sec());
109 else
110 return timer->val;
111 }
112
113 static inline void omap_timer_sync(struct omap_mpu_timer_s *timer)
114 {
115 timer->val = omap_timer_read(timer);
116 timer->time = qemu_get_clock(vm_clock);
117 }
118
119 static inline void omap_timer_update(struct omap_mpu_timer_s *timer)
120 {
121 int64_t expires;
122
123 if (timer->enable && timer->st && timer->rate) {
124 timer->val = timer->reset_val; /* Should skip this on clk enable */
125 expires = muldiv64((uint64_t) timer->val << (timer->ptv + 1),
126 get_ticks_per_sec(), timer->rate);
127
128 /* If timer expiry would be sooner than in about 1 ms and
129 * auto-reload isn't set, then fire immediately. This is a hack
130 * to make systems like PalmOS run in acceptable time. PalmOS
131 * sets the interval to a very low value and polls the status bit
132 * in a busy loop when it wants to sleep just a couple of CPU
133 * ticks. */
134 if (expires > (get_ticks_per_sec() >> 10) || timer->ar)
135 qemu_mod_timer(timer->timer, timer->time + expires);
136 else
137 qemu_bh_schedule(timer->tick);
138 } else
139 qemu_del_timer(timer->timer);
140 }
141
142 static void omap_timer_fire(void *opaque)
143 {
144 struct omap_mpu_timer_s *timer = opaque;
145
146 if (!timer->ar) {
147 timer->val = 0;
148 timer->st = 0;
149 }
150
151 if (timer->it_ena)
152 /* Edge-triggered irq */
153 qemu_irq_pulse(timer->irq);
154 }
155
156 static void omap_timer_tick(void *opaque)
157 {
158 struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
159
160 omap_timer_sync(timer);
161 omap_timer_fire(timer);
162 omap_timer_update(timer);
163 }
164
165 static void omap_timer_clk_update(void *opaque, int line, int on)
166 {
167 struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque;
168
169 omap_timer_sync(timer);
170 timer->rate = on ? omap_clk_getrate(timer->clk) : 0;
171 omap_timer_update(timer);
172 }
173
174 static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer)
175 {
176 omap_clk_adduser(timer->clk,
177 qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]);
178 timer->rate = omap_clk_getrate(timer->clk);
179 }
180
181 static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr)
182 {
183 struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
184
185 switch (addr) {
186 case 0x00: /* CNTL_TIMER */
187 return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st;
188
189 case 0x04: /* LOAD_TIM */
190 break;
191
192 case 0x08: /* READ_TIM */
193 return omap_timer_read(s);
194 }
195
196 OMAP_BAD_REG(addr);
197 return 0;
198 }
199
200 static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr,
201 uint32_t value)
202 {
203 struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque;
204
205 switch (addr) {
206 case 0x00: /* CNTL_TIMER */
207 omap_timer_sync(s);
208 s->enable = (value >> 5) & 1;
209 s->ptv = (value >> 2) & 7;
210 s->ar = (value >> 1) & 1;
211 s->st = value & 1;
212 omap_timer_update(s);
213 return;
214
215 case 0x04: /* LOAD_TIM */
216 s->reset_val = value;
217 return;
218
219 case 0x08: /* READ_TIM */
220 OMAP_RO_REG(addr);
221 break;
222
223 default:
224 OMAP_BAD_REG(addr);
225 }
226 }
227
228 static CPUReadMemoryFunc * const omap_mpu_timer_readfn[] = {
229 omap_badwidth_read32,
230 omap_badwidth_read32,
231 omap_mpu_timer_read,
232 };
233
234 static CPUWriteMemoryFunc * const omap_mpu_timer_writefn[] = {
235 omap_badwidth_write32,
236 omap_badwidth_write32,
237 omap_mpu_timer_write,
238 };
239
240 static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s)
241 {
242 qemu_del_timer(s->timer);
243 s->enable = 0;
244 s->reset_val = 31337;
245 s->val = 0;
246 s->ptv = 0;
247 s->ar = 0;
248 s->st = 0;
249 s->it_ena = 1;
250 }
251
252 static struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base,
253 qemu_irq irq, omap_clk clk)
254 {
255 int iomemtype;
256 struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *)
257 qemu_mallocz(sizeof(struct omap_mpu_timer_s));
258
259 s->irq = irq;
260 s->clk = clk;
261 s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s);
262 s->tick = qemu_bh_new(omap_timer_fire, s);
263 omap_mpu_timer_reset(s);
264 omap_timer_clk_setup(s);
265
266 iomemtype = cpu_register_io_memory(omap_mpu_timer_readfn,
267 omap_mpu_timer_writefn, s);
268 cpu_register_physical_memory(base, 0x100, iomemtype);
269
270 return s;
271 }
272
273 /* Watchdog timer */
274 struct omap_watchdog_timer_s {
275 struct omap_mpu_timer_s timer;
276 uint8_t last_wr;
277 int mode;
278 int free;
279 int reset;
280 };
281
282 static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr)
283 {
284 struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
285
286 switch (addr) {
287 case 0x00: /* CNTL_TIMER */
288 return (s->timer.ptv << 9) | (s->timer.ar << 8) |
289 (s->timer.st << 7) | (s->free << 1);
290
291 case 0x04: /* READ_TIMER */
292 return omap_timer_read(&s->timer);
293
294 case 0x08: /* TIMER_MODE */
295 return s->mode << 15;
296 }
297
298 OMAP_BAD_REG(addr);
299 return 0;
300 }
301
302 static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr,
303 uint32_t value)
304 {
305 struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque;
306
307 switch (addr) {
308 case 0x00: /* CNTL_TIMER */
309 omap_timer_sync(&s->timer);
310 s->timer.ptv = (value >> 9) & 7;
311 s->timer.ar = (value >> 8) & 1;
312 s->timer.st = (value >> 7) & 1;
313 s->free = (value >> 1) & 1;
314 omap_timer_update(&s->timer);
315 break;
316
317 case 0x04: /* LOAD_TIMER */
318 s->timer.reset_val = value & 0xffff;
319 break;
320
321 case 0x08: /* TIMER_MODE */
322 if (!s->mode && ((value >> 15) & 1))
323 omap_clk_get(s->timer.clk);
324 s->mode |= (value >> 15) & 1;
325 if (s->last_wr == 0xf5) {
326 if ((value & 0xff) == 0xa0) {
327 if (s->mode) {
328 s->mode = 0;
329 omap_clk_put(s->timer.clk);
330 }
331 } else {
332 /* XXX: on T|E hardware somehow this has no effect,
333 * on Zire 71 it works as specified. */
334 s->reset = 1;
335 qemu_system_reset_request();
336 }
337 }
338 s->last_wr = value & 0xff;
339 break;
340
341 default:
342 OMAP_BAD_REG(addr);
343 }
344 }
345
346 static CPUReadMemoryFunc * const omap_wd_timer_readfn[] = {
347 omap_badwidth_read16,
348 omap_wd_timer_read,
349 omap_badwidth_read16,
350 };
351
352 static CPUWriteMemoryFunc * const omap_wd_timer_writefn[] = {
353 omap_badwidth_write16,
354 omap_wd_timer_write,
355 omap_badwidth_write16,
356 };
357
358 static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s)
359 {
360 qemu_del_timer(s->timer.timer);
361 if (!s->mode)
362 omap_clk_get(s->timer.clk);
363 s->mode = 1;
364 s->free = 1;
365 s->reset = 0;
366 s->timer.enable = 1;
367 s->timer.it_ena = 1;
368 s->timer.reset_val = 0xffff;
369 s->timer.val = 0;
370 s->timer.st = 0;
371 s->timer.ptv = 0;
372 s->timer.ar = 0;
373 omap_timer_update(&s->timer);
374 }
375
376 static struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base,
377 qemu_irq irq, omap_clk clk)
378 {
379 int iomemtype;
380 struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *)
381 qemu_mallocz(sizeof(struct omap_watchdog_timer_s));
382
383 s->timer.irq = irq;
384 s->timer.clk = clk;
385 s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
386 omap_wd_timer_reset(s);
387 omap_timer_clk_setup(&s->timer);
388
389 iomemtype = cpu_register_io_memory(omap_wd_timer_readfn,
390 omap_wd_timer_writefn, s);
391 cpu_register_physical_memory(base, 0x100, iomemtype);
392
393 return s;
394 }
395
396 /* 32-kHz timer */
397 struct omap_32khz_timer_s {
398 struct omap_mpu_timer_s timer;
399 };
400
401 static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr)
402 {
403 struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
404 int offset = addr & OMAP_MPUI_REG_MASK;
405
406 switch (offset) {
407 case 0x00: /* TVR */
408 return s->timer.reset_val;
409
410 case 0x04: /* TCR */
411 return omap_timer_read(&s->timer);
412
413 case 0x08: /* CR */
414 return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st;
415
416 default:
417 break;
418 }
419 OMAP_BAD_REG(addr);
420 return 0;
421 }
422
423 static void omap_os_timer_write(void *opaque, target_phys_addr_t addr,
424 uint32_t value)
425 {
426 struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
427 int offset = addr & OMAP_MPUI_REG_MASK;
428
429 switch (offset) {
430 case 0x00: /* TVR */
431 s->timer.reset_val = value & 0x00ffffff;
432 break;
433
434 case 0x04: /* TCR */
435 OMAP_RO_REG(addr);
436 break;
437
438 case 0x08: /* CR */
439 s->timer.ar = (value >> 3) & 1;
440 s->timer.it_ena = (value >> 2) & 1;
441 if (s->timer.st != (value & 1) || (value & 2)) {
442 omap_timer_sync(&s->timer);
443 s->timer.enable = value & 1;
444 s->timer.st = value & 1;
445 omap_timer_update(&s->timer);
446 }
447 break;
448
449 default:
450 OMAP_BAD_REG(addr);
451 }
452 }
453
454 static CPUReadMemoryFunc * const omap_os_timer_readfn[] = {
455 omap_badwidth_read32,
456 omap_badwidth_read32,
457 omap_os_timer_read,
458 };
459
460 static CPUWriteMemoryFunc * const omap_os_timer_writefn[] = {
461 omap_badwidth_write32,
462 omap_badwidth_write32,
463 omap_os_timer_write,
464 };
465
466 static void omap_os_timer_reset(struct omap_32khz_timer_s *s)
467 {
468 qemu_del_timer(s->timer.timer);
469 s->timer.enable = 0;
470 s->timer.it_ena = 0;
471 s->timer.reset_val = 0x00ffffff;
472 s->timer.val = 0;
473 s->timer.st = 0;
474 s->timer.ptv = 0;
475 s->timer.ar = 1;
476 }
477
478 static struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base,
479 qemu_irq irq, omap_clk clk)
480 {
481 int iomemtype;
482 struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *)
483 qemu_mallocz(sizeof(struct omap_32khz_timer_s));
484
485 s->timer.irq = irq;
486 s->timer.clk = clk;
487 s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer);
488 omap_os_timer_reset(s);
489 omap_timer_clk_setup(&s->timer);
490
491 iomemtype = cpu_register_io_memory(omap_os_timer_readfn,
492 omap_os_timer_writefn, s);
493 cpu_register_physical_memory(base, 0x800, iomemtype);
494
495 return s;
496 }
497
498 /* Ultra Low-Power Device Module */
499 static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr)
500 {
501 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
502 uint16_t ret;
503
504 switch (addr) {
505 case 0x14: /* IT_STATUS */
506 ret = s->ulpd_pm_regs[addr >> 2];
507 s->ulpd_pm_regs[addr >> 2] = 0;
508 qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]);
509 return ret;
510
511 case 0x18: /* Reserved */
512 case 0x1c: /* Reserved */
513 case 0x20: /* Reserved */
514 case 0x28: /* Reserved */
515 case 0x2c: /* Reserved */
516 OMAP_BAD_REG(addr);
517 case 0x00: /* COUNTER_32_LSB */
518 case 0x04: /* COUNTER_32_MSB */
519 case 0x08: /* COUNTER_HIGH_FREQ_LSB */
520 case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
521 case 0x10: /* GAUGING_CTRL */
522 case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
523 case 0x30: /* CLOCK_CTRL */
524 case 0x34: /* SOFT_REQ */
525 case 0x38: /* COUNTER_32_FIQ */
526 case 0x3c: /* DPLL_CTRL */
527 case 0x40: /* STATUS_REQ */
528 /* XXX: check clk::usecount state for every clock */
529 case 0x48: /* LOCL_TIME */
530 case 0x4c: /* APLL_CTRL */
531 case 0x50: /* POWER_CTRL */
532 return s->ulpd_pm_regs[addr >> 2];
533 }
534
535 OMAP_BAD_REG(addr);
536 return 0;
537 }
538
539 static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s,
540 uint16_t diff, uint16_t value)
541 {
542 if (diff & (1 << 4)) /* USB_MCLK_EN */
543 omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1);
544 if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */
545 omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1);
546 }
547
548 static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s,
549 uint16_t diff, uint16_t value)
550 {
551 if (diff & (1 << 0)) /* SOFT_DPLL_REQ */
552 omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1);
553 if (diff & (1 << 1)) /* SOFT_COM_REQ */
554 omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1);
555 if (diff & (1 << 2)) /* SOFT_SDW_REQ */
556 omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1);
557 if (diff & (1 << 3)) /* SOFT_USB_REQ */
558 omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1);
559 }
560
561 static void omap_ulpd_pm_write(void *opaque, target_phys_addr_t addr,
562 uint32_t value)
563 {
564 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
565 int64_t now, ticks;
566 int div, mult;
567 static const int bypass_div[4] = { 1, 2, 4, 4 };
568 uint16_t diff;
569
570 switch (addr) {
571 case 0x00: /* COUNTER_32_LSB */
572 case 0x04: /* COUNTER_32_MSB */
573 case 0x08: /* COUNTER_HIGH_FREQ_LSB */
574 case 0x0c: /* COUNTER_HIGH_FREQ_MSB */
575 case 0x14: /* IT_STATUS */
576 case 0x40: /* STATUS_REQ */
577 OMAP_RO_REG(addr);
578 break;
579
580 case 0x10: /* GAUGING_CTRL */
581 /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */
582 if ((s->ulpd_pm_regs[addr >> 2] ^ value) & 1) {
583 now = qemu_get_clock(vm_clock);
584
585 if (value & 1)
586 s->ulpd_gauge_start = now;
587 else {
588 now -= s->ulpd_gauge_start;
589
590 /* 32-kHz ticks */
591 ticks = muldiv64(now, 32768, get_ticks_per_sec());
592 s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff;
593 s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff;
594 if (ticks >> 32) /* OVERFLOW_32K */
595 s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2;
596
597 /* High frequency ticks */
598 ticks = muldiv64(now, 12000000, get_ticks_per_sec());
599 s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff;
600 s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff;
601 if (ticks >> 32) /* OVERFLOW_HI_FREQ */
602 s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1;
603
604 s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */
605 qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]);
606 }
607 }
608 s->ulpd_pm_regs[addr >> 2] = value;
609 break;
610
611 case 0x18: /* Reserved */
612 case 0x1c: /* Reserved */
613 case 0x20: /* Reserved */
614 case 0x28: /* Reserved */
615 case 0x2c: /* Reserved */
616 OMAP_BAD_REG(addr);
617 case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */
618 case 0x38: /* COUNTER_32_FIQ */
619 case 0x48: /* LOCL_TIME */
620 case 0x50: /* POWER_CTRL */
621 s->ulpd_pm_regs[addr >> 2] = value;
622 break;
623
624 case 0x30: /* CLOCK_CTRL */
625 diff = s->ulpd_pm_regs[addr >> 2] ^ value;
626 s->ulpd_pm_regs[addr >> 2] = value & 0x3f;
627 omap_ulpd_clk_update(s, diff, value);
628 break;
629
630 case 0x34: /* SOFT_REQ */
631 diff = s->ulpd_pm_regs[addr >> 2] ^ value;
632 s->ulpd_pm_regs[addr >> 2] = value & 0x1f;
633 omap_ulpd_req_update(s, diff, value);
634 break;
635
636 case 0x3c: /* DPLL_CTRL */
637 /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is
638 * omitted altogether, probably a typo. */
639 /* This register has identical semantics with DPLL(1:3) control
640 * registers, see omap_dpll_write() */
641 diff = s->ulpd_pm_regs[addr >> 2] & value;
642 s->ulpd_pm_regs[addr >> 2] = value & 0x2fff;
643 if (diff & (0x3ff << 2)) {
644 if (value & (1 << 4)) { /* PLL_ENABLE */
645 div = ((value >> 5) & 3) + 1; /* PLL_DIV */
646 mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
647 } else {
648 div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
649 mult = 1;
650 }
651 omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult);
652 }
653
654 /* Enter the desired mode. */
655 s->ulpd_pm_regs[addr >> 2] =
656 (s->ulpd_pm_regs[addr >> 2] & 0xfffe) |
657 ((s->ulpd_pm_regs[addr >> 2] >> 4) & 1);
658
659 /* Act as if the lock is restored. */
660 s->ulpd_pm_regs[addr >> 2] |= 2;
661 break;
662
663 case 0x4c: /* APLL_CTRL */
664 diff = s->ulpd_pm_regs[addr >> 2] & value;
665 s->ulpd_pm_regs[addr >> 2] = value & 0xf;
666 if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */
667 omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s,
668 (value & (1 << 0)) ? "apll" : "dpll4"));
669 break;
670
671 default:
672 OMAP_BAD_REG(addr);
673 }
674 }
675
676 static CPUReadMemoryFunc * const omap_ulpd_pm_readfn[] = {
677 omap_badwidth_read16,
678 omap_ulpd_pm_read,
679 omap_badwidth_read16,
680 };
681
682 static CPUWriteMemoryFunc * const omap_ulpd_pm_writefn[] = {
683 omap_badwidth_write16,
684 omap_ulpd_pm_write,
685 omap_badwidth_write16,
686 };
687
688 static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu)
689 {
690 mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001;
691 mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000;
692 mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001;
693 mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000;
694 mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000;
695 mpu->ulpd_pm_regs[0x18 >> 2] = 0x01;
696 mpu->ulpd_pm_regs[0x1c >> 2] = 0x01;
697 mpu->ulpd_pm_regs[0x20 >> 2] = 0x01;
698 mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff;
699 mpu->ulpd_pm_regs[0x28 >> 2] = 0x01;
700 mpu->ulpd_pm_regs[0x2c >> 2] = 0x01;
701 omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000);
702 mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000;
703 omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000);
704 mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000;
705 mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001;
706 mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211;
707 mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */
708 mpu->ulpd_pm_regs[0x48 >> 2] = 0x960;
709 mpu->ulpd_pm_regs[0x4c >> 2] = 0x08;
710 mpu->ulpd_pm_regs[0x50 >> 2] = 0x08;
711 omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4);
712 omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4"));
713 }
714
715 static void omap_ulpd_pm_init(target_phys_addr_t base,
716 struct omap_mpu_state_s *mpu)
717 {
718 int iomemtype = cpu_register_io_memory(omap_ulpd_pm_readfn,
719 omap_ulpd_pm_writefn, mpu);
720
721 cpu_register_physical_memory(base, 0x800, iomemtype);
722 omap_ulpd_pm_reset(mpu);
723 }
724
725 /* OMAP Pin Configuration */
726 static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr)
727 {
728 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
729
730 switch (addr) {
731 case 0x00: /* FUNC_MUX_CTRL_0 */
732 case 0x04: /* FUNC_MUX_CTRL_1 */
733 case 0x08: /* FUNC_MUX_CTRL_2 */
734 return s->func_mux_ctrl[addr >> 2];
735
736 case 0x0c: /* COMP_MODE_CTRL_0 */
737 return s->comp_mode_ctrl[0];
738
739 case 0x10: /* FUNC_MUX_CTRL_3 */
740 case 0x14: /* FUNC_MUX_CTRL_4 */
741 case 0x18: /* FUNC_MUX_CTRL_5 */
742 case 0x1c: /* FUNC_MUX_CTRL_6 */
743 case 0x20: /* FUNC_MUX_CTRL_7 */
744 case 0x24: /* FUNC_MUX_CTRL_8 */
745 case 0x28: /* FUNC_MUX_CTRL_9 */
746 case 0x2c: /* FUNC_MUX_CTRL_A */
747 case 0x30: /* FUNC_MUX_CTRL_B */
748 case 0x34: /* FUNC_MUX_CTRL_C */
749 case 0x38: /* FUNC_MUX_CTRL_D */
750 return s->func_mux_ctrl[(addr >> 2) - 1];
751
752 case 0x40: /* PULL_DWN_CTRL_0 */
753 case 0x44: /* PULL_DWN_CTRL_1 */
754 case 0x48: /* PULL_DWN_CTRL_2 */
755 case 0x4c: /* PULL_DWN_CTRL_3 */
756 return s->pull_dwn_ctrl[(addr & 0xf) >> 2];
757
758 case 0x50: /* GATE_INH_CTRL_0 */
759 return s->gate_inh_ctrl[0];
760
761 case 0x60: /* VOLTAGE_CTRL_0 */
762 return s->voltage_ctrl[0];
763
764 case 0x70: /* TEST_DBG_CTRL_0 */
765 return s->test_dbg_ctrl[0];
766
767 case 0x80: /* MOD_CONF_CTRL_0 */
768 return s->mod_conf_ctrl[0];
769 }
770
771 OMAP_BAD_REG(addr);
772 return 0;
773 }
774
775 static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s,
776 uint32_t diff, uint32_t value)
777 {
778 if (s->compat1509) {
779 if (diff & (1 << 9)) /* BLUETOOTH */
780 omap_clk_onoff(omap_findclk(s, "bt_mclk_out"),
781 (~value >> 9) & 1);
782 if (diff & (1 << 7)) /* USB.CLKO */
783 omap_clk_onoff(omap_findclk(s, "usb.clko"),
784 (value >> 7) & 1);
785 }
786 }
787
788 static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s,
789 uint32_t diff, uint32_t value)
790 {
791 if (s->compat1509) {
792 if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */
793 omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"),
794 (value >> 31) & 1);
795 if (diff & (1 << 1)) /* CLK32K */
796 omap_clk_onoff(omap_findclk(s, "clk32k_out"),
797 (~value >> 1) & 1);
798 }
799 }
800
801 static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s,
802 uint32_t diff, uint32_t value)
803 {
804 if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */
805 omap_clk_reparent(omap_findclk(s, "uart3_ck"),
806 omap_findclk(s, ((value >> 31) & 1) ?
807 "ck_48m" : "armper_ck"));
808 if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */
809 omap_clk_reparent(omap_findclk(s, "uart2_ck"),
810 omap_findclk(s, ((value >> 30) & 1) ?
811 "ck_48m" : "armper_ck"));
812 if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */
813 omap_clk_reparent(omap_findclk(s, "uart1_ck"),
814 omap_findclk(s, ((value >> 29) & 1) ?
815 "ck_48m" : "armper_ck"));
816 if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */
817 omap_clk_reparent(omap_findclk(s, "mmc_ck"),
818 omap_findclk(s, ((value >> 23) & 1) ?
819 "ck_48m" : "armper_ck"));
820 if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */
821 omap_clk_reparent(omap_findclk(s, "com_mclk_out"),
822 omap_findclk(s, ((value >> 12) & 1) ?
823 "ck_48m" : "armper_ck"));
824 if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */
825 omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1);
826 }
827
828 static void omap_pin_cfg_write(void *opaque, target_phys_addr_t addr,
829 uint32_t value)
830 {
831 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
832 uint32_t diff;
833
834 switch (addr) {
835 case 0x00: /* FUNC_MUX_CTRL_0 */
836 diff = s->func_mux_ctrl[addr >> 2] ^ value;
837 s->func_mux_ctrl[addr >> 2] = value;
838 omap_pin_funcmux0_update(s, diff, value);
839 return;
840
841 case 0x04: /* FUNC_MUX_CTRL_1 */
842 diff = s->func_mux_ctrl[addr >> 2] ^ value;
843 s->func_mux_ctrl[addr >> 2] = value;
844 omap_pin_funcmux1_update(s, diff, value);
845 return;
846
847 case 0x08: /* FUNC_MUX_CTRL_2 */
848 s->func_mux_ctrl[addr >> 2] = value;
849 return;
850
851 case 0x0c: /* COMP_MODE_CTRL_0 */
852 s->comp_mode_ctrl[0] = value;
853 s->compat1509 = (value != 0x0000eaef);
854 omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]);
855 omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]);
856 return;
857
858 case 0x10: /* FUNC_MUX_CTRL_3 */
859 case 0x14: /* FUNC_MUX_CTRL_4 */
860 case 0x18: /* FUNC_MUX_CTRL_5 */
861 case 0x1c: /* FUNC_MUX_CTRL_6 */
862 case 0x20: /* FUNC_MUX_CTRL_7 */
863 case 0x24: /* FUNC_MUX_CTRL_8 */
864 case 0x28: /* FUNC_MUX_CTRL_9 */
865 case 0x2c: /* FUNC_MUX_CTRL_A */
866 case 0x30: /* FUNC_MUX_CTRL_B */
867 case 0x34: /* FUNC_MUX_CTRL_C */
868 case 0x38: /* FUNC_MUX_CTRL_D */
869 s->func_mux_ctrl[(addr >> 2) - 1] = value;
870 return;
871
872 case 0x40: /* PULL_DWN_CTRL_0 */
873 case 0x44: /* PULL_DWN_CTRL_1 */
874 case 0x48: /* PULL_DWN_CTRL_2 */
875 case 0x4c: /* PULL_DWN_CTRL_3 */
876 s->pull_dwn_ctrl[(addr & 0xf) >> 2] = value;
877 return;
878
879 case 0x50: /* GATE_INH_CTRL_0 */
880 s->gate_inh_ctrl[0] = value;
881 return;
882
883 case 0x60: /* VOLTAGE_CTRL_0 */
884 s->voltage_ctrl[0] = value;
885 return;
886
887 case 0x70: /* TEST_DBG_CTRL_0 */
888 s->test_dbg_ctrl[0] = value;
889 return;
890
891 case 0x80: /* MOD_CONF_CTRL_0 */
892 diff = s->mod_conf_ctrl[0] ^ value;
893 s->mod_conf_ctrl[0] = value;
894 omap_pin_modconf1_update(s, diff, value);
895 return;
896
897 default:
898 OMAP_BAD_REG(addr);
899 }
900 }
901
902 static CPUReadMemoryFunc * const omap_pin_cfg_readfn[] = {
903 omap_badwidth_read32,
904 omap_badwidth_read32,
905 omap_pin_cfg_read,
906 };
907
908 static CPUWriteMemoryFunc * const omap_pin_cfg_writefn[] = {
909 omap_badwidth_write32,
910 omap_badwidth_write32,
911 omap_pin_cfg_write,
912 };
913
914 static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu)
915 {
916 /* Start in Compatibility Mode. */
917 mpu->compat1509 = 1;
918 omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0);
919 omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0);
920 omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0);
921 memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl));
922 memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl));
923 memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl));
924 memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl));
925 memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl));
926 memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl));
927 memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl));
928 }
929
930 static void omap_pin_cfg_init(target_phys_addr_t base,
931 struct omap_mpu_state_s *mpu)
932 {
933 int iomemtype = cpu_register_io_memory(omap_pin_cfg_readfn,
934 omap_pin_cfg_writefn, mpu);
935
936 cpu_register_physical_memory(base, 0x800, iomemtype);
937 omap_pin_cfg_reset(mpu);
938 }
939
940 /* Device Identification, Die Identification */
941 static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr)
942 {
943 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
944
945 switch (addr) {
946 case 0xfffe1800: /* DIE_ID_LSB */
947 return 0xc9581f0e;
948 case 0xfffe1804: /* DIE_ID_MSB */
949 return 0xa8858bfa;
950
951 case 0xfffe2000: /* PRODUCT_ID_LSB */
952 return 0x00aaaafc;
953 case 0xfffe2004: /* PRODUCT_ID_MSB */
954 return 0xcafeb574;
955
956 case 0xfffed400: /* JTAG_ID_LSB */
957 switch (s->mpu_model) {
958 case omap310:
959 return 0x03310315;
960 case omap1510:
961 return 0x03310115;
962 default:
963 hw_error("%s: bad mpu model\n", __FUNCTION__);
964 }
965 break;
966
967 case 0xfffed404: /* JTAG_ID_MSB */
968 switch (s->mpu_model) {
969 case omap310:
970 return 0xfb57402f;
971 case omap1510:
972 return 0xfb47002f;
973 default:
974 hw_error("%s: bad mpu model\n", __FUNCTION__);
975 }
976 break;
977 }
978
979 OMAP_BAD_REG(addr);
980 return 0;
981 }
982
983 static void omap_id_write(void *opaque, target_phys_addr_t addr,
984 uint32_t value)
985 {
986 OMAP_BAD_REG(addr);
987 }
988
989 static CPUReadMemoryFunc * const omap_id_readfn[] = {
990 omap_badwidth_read32,
991 omap_badwidth_read32,
992 omap_id_read,
993 };
994
995 static CPUWriteMemoryFunc * const omap_id_writefn[] = {
996 omap_badwidth_write32,
997 omap_badwidth_write32,
998 omap_id_write,
999 };
1000
1001 static void omap_id_init(struct omap_mpu_state_s *mpu)
1002 {
1003 int iomemtype = cpu_register_io_memory(omap_id_readfn,
1004 omap_id_writefn, mpu);
1005 cpu_register_physical_memory_offset(0xfffe1800, 0x800, iomemtype, 0xfffe1800);
1006 cpu_register_physical_memory_offset(0xfffed400, 0x100, iomemtype, 0xfffed400);
1007 if (!cpu_is_omap15xx(mpu))
1008 cpu_register_physical_memory_offset(0xfffe2000, 0x800, iomemtype, 0xfffe2000);
1009 }
1010
1011 /* MPUI Control (Dummy) */
1012 static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr)
1013 {
1014 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1015
1016 switch (addr) {
1017 case 0x00: /* CTRL */
1018 return s->mpui_ctrl;
1019 case 0x04: /* DEBUG_ADDR */
1020 return 0x01ffffff;
1021 case 0x08: /* DEBUG_DATA */
1022 return 0xffffffff;
1023 case 0x0c: /* DEBUG_FLAG */
1024 return 0x00000800;
1025 case 0x10: /* STATUS */
1026 return 0x00000000;
1027
1028 /* Not in OMAP310 */
1029 case 0x14: /* DSP_STATUS */
1030 case 0x18: /* DSP_BOOT_CONFIG */
1031 return 0x00000000;
1032 case 0x1c: /* DSP_MPUI_CONFIG */
1033 return 0x0000ffff;
1034 }
1035
1036 OMAP_BAD_REG(addr);
1037 return 0;
1038 }
1039
1040 static void omap_mpui_write(void *opaque, target_phys_addr_t addr,
1041 uint32_t value)
1042 {
1043 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1044
1045 switch (addr) {
1046 case 0x00: /* CTRL */
1047 s->mpui_ctrl = value & 0x007fffff;
1048 break;
1049
1050 case 0x04: /* DEBUG_ADDR */
1051 case 0x08: /* DEBUG_DATA */
1052 case 0x0c: /* DEBUG_FLAG */
1053 case 0x10: /* STATUS */
1054 /* Not in OMAP310 */
1055 case 0x14: /* DSP_STATUS */
1056 OMAP_RO_REG(addr);
1057 case 0x18: /* DSP_BOOT_CONFIG */
1058 case 0x1c: /* DSP_MPUI_CONFIG */
1059 break;
1060
1061 default:
1062 OMAP_BAD_REG(addr);
1063 }
1064 }
1065
1066 static CPUReadMemoryFunc * const omap_mpui_readfn[] = {
1067 omap_badwidth_read32,
1068 omap_badwidth_read32,
1069 omap_mpui_read,
1070 };
1071
1072 static CPUWriteMemoryFunc * const omap_mpui_writefn[] = {
1073 omap_badwidth_write32,
1074 omap_badwidth_write32,
1075 omap_mpui_write,
1076 };
1077
1078 static void omap_mpui_reset(struct omap_mpu_state_s *s)
1079 {
1080 s->mpui_ctrl = 0x0003ff1b;
1081 }
1082
1083 static void omap_mpui_init(target_phys_addr_t base,
1084 struct omap_mpu_state_s *mpu)
1085 {
1086 int iomemtype = cpu_register_io_memory(omap_mpui_readfn,
1087 omap_mpui_writefn, mpu);
1088
1089 cpu_register_physical_memory(base, 0x100, iomemtype);
1090
1091 omap_mpui_reset(mpu);
1092 }
1093
1094 /* TIPB Bridges */
1095 struct omap_tipb_bridge_s {
1096 qemu_irq abort;
1097
1098 int width_intr;
1099 uint16_t control;
1100 uint16_t alloc;
1101 uint16_t buffer;
1102 uint16_t enh_control;
1103 };
1104
1105 static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr)
1106 {
1107 struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
1108
1109 switch (addr) {
1110 case 0x00: /* TIPB_CNTL */
1111 return s->control;
1112 case 0x04: /* TIPB_BUS_ALLOC */
1113 return s->alloc;
1114 case 0x08: /* MPU_TIPB_CNTL */
1115 return s->buffer;
1116 case 0x0c: /* ENHANCED_TIPB_CNTL */
1117 return s->enh_control;
1118 case 0x10: /* ADDRESS_DBG */
1119 case 0x14: /* DATA_DEBUG_LOW */
1120 case 0x18: /* DATA_DEBUG_HIGH */
1121 return 0xffff;
1122 case 0x1c: /* DEBUG_CNTR_SIG */
1123 return 0x00f8;
1124 }
1125
1126 OMAP_BAD_REG(addr);
1127 return 0;
1128 }
1129
1130 static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr,
1131 uint32_t value)
1132 {
1133 struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque;
1134
1135 switch (addr) {
1136 case 0x00: /* TIPB_CNTL */
1137 s->control = value & 0xffff;
1138 break;
1139
1140 case 0x04: /* TIPB_BUS_ALLOC */
1141 s->alloc = value & 0x003f;
1142 break;
1143
1144 case 0x08: /* MPU_TIPB_CNTL */
1145 s->buffer = value & 0x0003;
1146 break;
1147
1148 case 0x0c: /* ENHANCED_TIPB_CNTL */
1149 s->width_intr = !(value & 2);
1150 s->enh_control = value & 0x000f;
1151 break;
1152
1153 case 0x10: /* ADDRESS_DBG */
1154 case 0x14: /* DATA_DEBUG_LOW */
1155 case 0x18: /* DATA_DEBUG_HIGH */
1156 case 0x1c: /* DEBUG_CNTR_SIG */
1157 OMAP_RO_REG(addr);
1158 break;
1159
1160 default:
1161 OMAP_BAD_REG(addr);
1162 }
1163 }
1164
1165 static CPUReadMemoryFunc * const omap_tipb_bridge_readfn[] = {
1166 omap_badwidth_read16,
1167 omap_tipb_bridge_read,
1168 omap_tipb_bridge_read,
1169 };
1170
1171 static CPUWriteMemoryFunc * const omap_tipb_bridge_writefn[] = {
1172 omap_badwidth_write16,
1173 omap_tipb_bridge_write,
1174 omap_tipb_bridge_write,
1175 };
1176
1177 static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s)
1178 {
1179 s->control = 0xffff;
1180 s->alloc = 0x0009;
1181 s->buffer = 0x0000;
1182 s->enh_control = 0x000f;
1183 }
1184
1185 static struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base,
1186 qemu_irq abort_irq, omap_clk clk)
1187 {
1188 int iomemtype;
1189 struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *)
1190 qemu_mallocz(sizeof(struct omap_tipb_bridge_s));
1191
1192 s->abort = abort_irq;
1193 omap_tipb_bridge_reset(s);
1194
1195 iomemtype = cpu_register_io_memory(omap_tipb_bridge_readfn,
1196 omap_tipb_bridge_writefn, s);
1197 cpu_register_physical_memory(base, 0x100, iomemtype);
1198
1199 return s;
1200 }
1201
1202 /* Dummy Traffic Controller's Memory Interface */
1203 static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr)
1204 {
1205 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1206 uint32_t ret;
1207
1208 switch (addr) {
1209 case 0x00: /* IMIF_PRIO */
1210 case 0x04: /* EMIFS_PRIO */
1211 case 0x08: /* EMIFF_PRIO */
1212 case 0x0c: /* EMIFS_CONFIG */
1213 case 0x10: /* EMIFS_CS0_CONFIG */
1214 case 0x14: /* EMIFS_CS1_CONFIG */
1215 case 0x18: /* EMIFS_CS2_CONFIG */
1216 case 0x1c: /* EMIFS_CS3_CONFIG */
1217 case 0x24: /* EMIFF_MRS */
1218 case 0x28: /* TIMEOUT1 */
1219 case 0x2c: /* TIMEOUT2 */
1220 case 0x30: /* TIMEOUT3 */
1221 case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
1222 case 0x40: /* EMIFS_CFG_DYN_WAIT */
1223 return s->tcmi_regs[addr >> 2];
1224
1225 case 0x20: /* EMIFF_SDRAM_CONFIG */
1226 ret = s->tcmi_regs[addr >> 2];
1227 s->tcmi_regs[addr >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */
1228 /* XXX: We can try using the VGA_DIRTY flag for this */
1229 return ret;
1230 }
1231
1232 OMAP_BAD_REG(addr);
1233 return 0;
1234 }
1235
1236 static void omap_tcmi_write(void *opaque, target_phys_addr_t addr,
1237 uint32_t value)
1238 {
1239 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1240
1241 switch (addr) {
1242 case 0x00: /* IMIF_PRIO */
1243 case 0x04: /* EMIFS_PRIO */
1244 case 0x08: /* EMIFF_PRIO */
1245 case 0x10: /* EMIFS_CS0_CONFIG */
1246 case 0x14: /* EMIFS_CS1_CONFIG */
1247 case 0x18: /* EMIFS_CS2_CONFIG */
1248 case 0x1c: /* EMIFS_CS3_CONFIG */
1249 case 0x20: /* EMIFF_SDRAM_CONFIG */
1250 case 0x24: /* EMIFF_MRS */
1251 case 0x28: /* TIMEOUT1 */
1252 case 0x2c: /* TIMEOUT2 */
1253 case 0x30: /* TIMEOUT3 */
1254 case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
1255 case 0x40: /* EMIFS_CFG_DYN_WAIT */
1256 s->tcmi_regs[addr >> 2] = value;
1257 break;
1258 case 0x0c: /* EMIFS_CONFIG */
1259 s->tcmi_regs[addr >> 2] = (value & 0xf) | (1 << 4);
1260 break;
1261
1262 default:
1263 OMAP_BAD_REG(addr);
1264 }
1265 }
1266
1267 static CPUReadMemoryFunc * const omap_tcmi_readfn[] = {
1268 omap_badwidth_read32,
1269 omap_badwidth_read32,
1270 omap_tcmi_read,
1271 };
1272
1273 static CPUWriteMemoryFunc * const omap_tcmi_writefn[] = {
1274 omap_badwidth_write32,
1275 omap_badwidth_write32,
1276 omap_tcmi_write,
1277 };
1278
1279 static void omap_tcmi_reset(struct omap_mpu_state_s *mpu)
1280 {
1281 mpu->tcmi_regs[0x00 >> 2] = 0x00000000;
1282 mpu->tcmi_regs[0x04 >> 2] = 0x00000000;
1283 mpu->tcmi_regs[0x08 >> 2] = 0x00000000;
1284 mpu->tcmi_regs[0x0c >> 2] = 0x00000010;
1285 mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb;
1286 mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb;
1287 mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb;
1288 mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb;
1289 mpu->tcmi_regs[0x20 >> 2] = 0x00618800;
1290 mpu->tcmi_regs[0x24 >> 2] = 0x00000037;
1291 mpu->tcmi_regs[0x28 >> 2] = 0x00000000;
1292 mpu->tcmi_regs[0x2c >> 2] = 0x00000000;
1293 mpu->tcmi_regs[0x30 >> 2] = 0x00000000;
1294 mpu->tcmi_regs[0x3c >> 2] = 0x00000003;
1295 mpu->tcmi_regs[0x40 >> 2] = 0x00000000;
1296 }
1297
1298 static void omap_tcmi_init(target_phys_addr_t base,
1299 struct omap_mpu_state_s *mpu)
1300 {
1301 int iomemtype = cpu_register_io_memory(omap_tcmi_readfn,
1302 omap_tcmi_writefn, mpu);
1303
1304 cpu_register_physical_memory(base, 0x100, iomemtype);
1305 omap_tcmi_reset(mpu);
1306 }
1307
1308 /* Digital phase-locked loops control */
1309 static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr)
1310 {
1311 struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
1312
1313 if (addr == 0x00) /* CTL_REG */
1314 return s->mode;
1315
1316 OMAP_BAD_REG(addr);
1317 return 0;
1318 }
1319
1320 static void omap_dpll_write(void *opaque, target_phys_addr_t addr,
1321 uint32_t value)
1322 {
1323 struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque;
1324 uint16_t diff;
1325 static const int bypass_div[4] = { 1, 2, 4, 4 };
1326 int div, mult;
1327
1328 if (addr == 0x00) { /* CTL_REG */
1329 /* See omap_ulpd_pm_write() too */
1330 diff = s->mode & value;
1331 s->mode = value & 0x2fff;
1332 if (diff & (0x3ff << 2)) {
1333 if (value & (1 << 4)) { /* PLL_ENABLE */
1334 div = ((value >> 5) & 3) + 1; /* PLL_DIV */
1335 mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */
1336 } else {
1337 div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */
1338 mult = 1;
1339 }
1340 omap_clk_setrate(s->dpll, div, mult);
1341 }
1342
1343 /* Enter the desired mode. */
1344 s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1);
1345
1346 /* Act as if the lock is restored. */
1347 s->mode |= 2;
1348 } else {
1349 OMAP_BAD_REG(addr);
1350 }
1351 }
1352
1353 static CPUReadMemoryFunc * const omap_dpll_readfn[] = {
1354 omap_badwidth_read16,
1355 omap_dpll_read,
1356 omap_badwidth_read16,
1357 };
1358
1359 static CPUWriteMemoryFunc * const omap_dpll_writefn[] = {
1360 omap_badwidth_write16,
1361 omap_dpll_write,
1362 omap_badwidth_write16,
1363 };
1364
1365 static void omap_dpll_reset(struct dpll_ctl_s *s)
1366 {
1367 s->mode = 0x2002;
1368 omap_clk_setrate(s->dpll, 1, 1);
1369 }
1370
1371 static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base,
1372 omap_clk clk)
1373 {
1374 int iomemtype = cpu_register_io_memory(omap_dpll_readfn,
1375 omap_dpll_writefn, s);
1376
1377 s->dpll = clk;
1378 omap_dpll_reset(s);
1379
1380 cpu_register_physical_memory(base, 0x100, iomemtype);
1381 }
1382
1383 /* MPU Clock/Reset/Power Mode Control */
1384 static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr)
1385 {
1386 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1387
1388 switch (addr) {
1389 case 0x00: /* ARM_CKCTL */
1390 return s->clkm.arm_ckctl;
1391
1392 case 0x04: /* ARM_IDLECT1 */
1393 return s->clkm.arm_idlect1;
1394
1395 case 0x08: /* ARM_IDLECT2 */
1396 return s->clkm.arm_idlect2;
1397
1398 case 0x0c: /* ARM_EWUPCT */
1399 return s->clkm.arm_ewupct;
1400
1401 case 0x10: /* ARM_RSTCT1 */
1402 return s->clkm.arm_rstct1;
1403
1404 case 0x14: /* ARM_RSTCT2 */
1405 return s->clkm.arm_rstct2;
1406
1407 case 0x18: /* ARM_SYSST */
1408 return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start;
1409
1410 case 0x1c: /* ARM_CKOUT1 */
1411 return s->clkm.arm_ckout1;
1412
1413 case 0x20: /* ARM_CKOUT2 */
1414 break;
1415 }
1416
1417 OMAP_BAD_REG(addr);
1418 return 0;
1419 }
1420
1421 static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s,
1422 uint16_t diff, uint16_t value)
1423 {
1424 omap_clk clk;
1425
1426 if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */
1427 if (value & (1 << 14))
1428 /* Reserved */;
1429 else {
1430 clk = omap_findclk(s, "arminth_ck");
1431 omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
1432 }
1433 }
1434 if (diff & (1 << 12)) { /* ARM_TIMXO */
1435 clk = omap_findclk(s, "armtim_ck");
1436 if (value & (1 << 12))
1437 omap_clk_reparent(clk, omap_findclk(s, "clkin"));
1438 else
1439 omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
1440 }
1441 /* XXX: en_dspck */
1442 if (diff & (3 << 10)) { /* DSPMMUDIV */
1443 clk = omap_findclk(s, "dspmmu_ck");
1444 omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1);
1445 }
1446 if (diff & (3 << 8)) { /* TCDIV */
1447 clk = omap_findclk(s, "tc_ck");
1448 omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1);
1449 }
1450 if (diff & (3 << 6)) { /* DSPDIV */
1451 clk = omap_findclk(s, "dsp_ck");
1452 omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1);
1453 }
1454 if (diff & (3 << 4)) { /* ARMDIV */
1455 clk = omap_findclk(s, "arm_ck");
1456 omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1);
1457 }
1458 if (diff & (3 << 2)) { /* LCDDIV */
1459 clk = omap_findclk(s, "lcd_ck");
1460 omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1);
1461 }
1462 if (diff & (3 << 0)) { /* PERDIV */
1463 clk = omap_findclk(s, "armper_ck");
1464 omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1);
1465 }
1466 }
1467
1468 static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s,
1469 uint16_t diff, uint16_t value)
1470 {
1471 omap_clk clk;
1472
1473 if (value & (1 << 11)) /* SETARM_IDLE */
1474 cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
1475 if (!(value & (1 << 10))) /* WKUP_MODE */
1476 qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */
1477
1478 #define SET_CANIDLE(clock, bit) \
1479 if (diff & (1 << bit)) { \
1480 clk = omap_findclk(s, clock); \
1481 omap_clk_canidle(clk, (value >> bit) & 1); \
1482 }
1483 SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */
1484 SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */
1485 SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */
1486 SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */
1487 SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */
1488 SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */
1489 SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */
1490 SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */
1491 SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */
1492 SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */
1493 SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */
1494 SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */
1495 SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */
1496 SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */
1497 }
1498
1499 static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s,
1500 uint16_t diff, uint16_t value)
1501 {
1502 omap_clk clk;
1503
1504 #define SET_ONOFF(clock, bit) \
1505 if (diff & (1 << bit)) { \
1506 clk = omap_findclk(s, clock); \
1507 omap_clk_onoff(clk, (value >> bit) & 1); \
1508 }
1509 SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */
1510 SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */
1511 SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */
1512 SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */
1513 SET_ONOFF("lb_ck", 4) /* EN_LBCK */
1514 SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */
1515 SET_ONOFF("mpui_ck", 6) /* EN_APICK */
1516 SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */
1517 SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */
1518 SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */
1519 SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */
1520 }
1521
1522 static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s,
1523 uint16_t diff, uint16_t value)
1524 {
1525 omap_clk clk;
1526
1527 if (diff & (3 << 4)) { /* TCLKOUT */
1528 clk = omap_findclk(s, "tclk_out");
1529 switch ((value >> 4) & 3) {
1530 case 1:
1531 omap_clk_reparent(clk, omap_findclk(s, "ck_gen3"));
1532 omap_clk_onoff(clk, 1);
1533 break;
1534 case 2:
1535 omap_clk_reparent(clk, omap_findclk(s, "tc_ck"));
1536 omap_clk_onoff(clk, 1);
1537 break;
1538 default:
1539 omap_clk_onoff(clk, 0);
1540 }
1541 }
1542 if (diff & (3 << 2)) { /* DCLKOUT */
1543 clk = omap_findclk(s, "dclk_out");
1544 switch ((value >> 2) & 3) {
1545 case 0:
1546 omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck"));
1547 break;
1548 case 1:
1549 omap_clk_reparent(clk, omap_findclk(s, "ck_gen2"));
1550 break;
1551 case 2:
1552 omap_clk_reparent(clk, omap_findclk(s, "dsp_ck"));
1553 break;
1554 case 3:
1555 omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
1556 break;
1557 }
1558 }
1559 if (diff & (3 << 0)) { /* ACLKOUT */
1560 clk = omap_findclk(s, "aclk_out");
1561 switch ((value >> 0) & 3) {
1562 case 1:
1563 omap_clk_reparent(clk, omap_findclk(s, "ck_gen1"));
1564 omap_clk_onoff(clk, 1);
1565 break;
1566 case 2:
1567 omap_clk_reparent(clk, omap_findclk(s, "arm_ck"));
1568 omap_clk_onoff(clk, 1);
1569 break;
1570 case 3:
1571 omap_clk_reparent(clk, omap_findclk(s, "ck_ref14"));
1572 omap_clk_onoff(clk, 1);
1573 break;
1574 default:
1575 omap_clk_onoff(clk, 0);
1576 }
1577 }
1578 }
1579
1580 static void omap_clkm_write(void *opaque, target_phys_addr_t addr,
1581 uint32_t value)
1582 {
1583 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1584 uint16_t diff;
1585 omap_clk clk;
1586 static const char *clkschemename[8] = {
1587 "fully synchronous", "fully asynchronous", "synchronous scalable",
1588 "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4",
1589 };
1590
1591 switch (addr) {
1592 case 0x00: /* ARM_CKCTL */
1593 diff = s->clkm.arm_ckctl ^ value;
1594 s->clkm.arm_ckctl = value & 0x7fff;
1595 omap_clkm_ckctl_update(s, diff, value);
1596 return;
1597
1598 case 0x04: /* ARM_IDLECT1 */
1599 diff = s->clkm.arm_idlect1 ^ value;
1600 s->clkm.arm_idlect1 = value & 0x0fff;
1601 omap_clkm_idlect1_update(s, diff, value);
1602 return;
1603
1604 case 0x08: /* ARM_IDLECT2 */
1605 diff = s->clkm.arm_idlect2 ^ value;
1606 s->clkm.arm_idlect2 = value & 0x07ff;
1607 omap_clkm_idlect2_update(s, diff, value);
1608 return;
1609
1610 case 0x0c: /* ARM_EWUPCT */
1611 s->clkm.arm_ewupct = value & 0x003f;
1612 return;
1613
1614 case 0x10: /* ARM_RSTCT1 */
1615 diff = s->clkm.arm_rstct1 ^ value;
1616 s->clkm.arm_rstct1 = value & 0x0007;
1617 if (value & 9) {
1618 qemu_system_reset_request();
1619 s->clkm.cold_start = 0xa;
1620 }
1621 if (diff & ~value & 4) { /* DSP_RST */
1622 omap_mpui_reset(s);
1623 omap_tipb_bridge_reset(s->private_tipb);
1624 omap_tipb_bridge_reset(s->public_tipb);
1625 }
1626 if (diff & 2) { /* DSP_EN */
1627 clk = omap_findclk(s, "dsp_ck");
1628 omap_clk_canidle(clk, (~value >> 1) & 1);
1629 }
1630 return;
1631
1632 case 0x14: /* ARM_RSTCT2 */
1633 s->clkm.arm_rstct2 = value & 0x0001;
1634 return;
1635
1636 case 0x18: /* ARM_SYSST */
1637 if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) {
1638 s->clkm.clocking_scheme = (value >> 11) & 7;
1639 printf("%s: clocking scheme set to %s\n", __FUNCTION__,
1640 clkschemename[s->clkm.clocking_scheme]);
1641 }
1642 s->clkm.cold_start &= value & 0x3f;
1643 return;
1644
1645 case 0x1c: /* ARM_CKOUT1 */
1646 diff = s->clkm.arm_ckout1 ^ value;
1647 s->clkm.arm_ckout1 = value & 0x003f;
1648 omap_clkm_ckout1_update(s, diff, value);
1649 return;
1650
1651 case 0x20: /* ARM_CKOUT2 */
1652 default:
1653 OMAP_BAD_REG(addr);
1654 }
1655 }
1656
1657 static CPUReadMemoryFunc * const omap_clkm_readfn[] = {
1658 omap_badwidth_read16,
1659 omap_clkm_read,
1660 omap_badwidth_read16,
1661 };
1662
1663 static CPUWriteMemoryFunc * const omap_clkm_writefn[] = {
1664 omap_badwidth_write16,
1665 omap_clkm_write,
1666 omap_badwidth_write16,
1667 };
1668
1669 static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr)
1670 {
1671 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1672
1673 switch (addr) {
1674 case 0x04: /* DSP_IDLECT1 */
1675 return s->clkm.dsp_idlect1;
1676
1677 case 0x08: /* DSP_IDLECT2 */
1678 return s->clkm.dsp_idlect2;
1679
1680 case 0x14: /* DSP_RSTCT2 */
1681 return s->clkm.dsp_rstct2;
1682
1683 case 0x18: /* DSP_SYSST */
1684 return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start |
1685 (s->env->halted << 6); /* Quite useless... */
1686 }
1687
1688 OMAP_BAD_REG(addr);
1689 return 0;
1690 }
1691
1692 static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s,
1693 uint16_t diff, uint16_t value)
1694 {
1695 omap_clk clk;
1696
1697 SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */
1698 }
1699
1700 static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s,
1701 uint16_t diff, uint16_t value)
1702 {
1703 omap_clk clk;
1704
1705 SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */
1706 }
1707
1708 static void omap_clkdsp_write(void *opaque, target_phys_addr_t addr,
1709 uint32_t value)
1710 {
1711 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
1712 uint16_t diff;
1713
1714 switch (addr) {
1715 case 0x04: /* DSP_IDLECT1 */
1716 diff = s->clkm.dsp_idlect1 ^ value;
1717 s->clkm.dsp_idlect1 = value & 0x01f7;
1718 omap_clkdsp_idlect1_update(s, diff, value);
1719 break;
1720
1721 case 0x08: /* DSP_IDLECT2 */
1722 s->clkm.dsp_idlect2 = value & 0x0037;
1723 diff = s->clkm.dsp_idlect1 ^ value;
1724 omap_clkdsp_idlect2_update(s, diff, value);
1725 break;
1726
1727 case 0x14: /* DSP_RSTCT2 */
1728 s->clkm.dsp_rstct2 = value & 0x0001;
1729 break;
1730
1731 case 0x18: /* DSP_SYSST */
1732 s->clkm.cold_start &= value & 0x3f;
1733 break;
1734
1735 default:
1736 OMAP_BAD_REG(addr);
1737 }
1738 }
1739
1740 static CPUReadMemoryFunc * const omap_clkdsp_readfn[] = {
1741 omap_badwidth_read16,
1742 omap_clkdsp_read,
1743 omap_badwidth_read16,
1744 };
1745
1746 static CPUWriteMemoryFunc * const omap_clkdsp_writefn[] = {
1747 omap_badwidth_write16,
1748 omap_clkdsp_write,
1749 omap_badwidth_write16,
1750 };
1751
1752 static void omap_clkm_reset(struct omap_mpu_state_s *s)
1753 {
1754 if (s->wdt && s->wdt->reset)
1755 s->clkm.cold_start = 0x6;
1756 s->clkm.clocking_scheme = 0;
1757 omap_clkm_ckctl_update(s, ~0, 0x3000);
1758 s->clkm.arm_ckctl = 0x3000;
1759 omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400);
1760 s->clkm.arm_idlect1 = 0x0400;
1761 omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100);
1762 s->clkm.arm_idlect2 = 0x0100;
1763 s->clkm.arm_ewupct = 0x003f;
1764 s->clkm.arm_rstct1 = 0x0000;
1765 s->clkm.arm_rstct2 = 0x0000;
1766 s->clkm.arm_ckout1 = 0x0015;
1767 s->clkm.dpll1_mode = 0x2002;
1768 omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040);
1769 s->clkm.dsp_idlect1 = 0x0040;
1770 omap_clkdsp_idlect2_update(s, ~0, 0x0000);
1771 s->clkm.dsp_idlect2 = 0x0000;
1772 s->clkm.dsp_rstct2 = 0x0000;
1773 }
1774
1775 static void omap_clkm_init(target_phys_addr_t mpu_base,
1776 target_phys_addr_t dsp_base, struct omap_mpu_state_s *s)
1777 {
1778 int iomemtype[2] = {
1779 cpu_register_io_memory(omap_clkm_readfn, omap_clkm_writefn, s),
1780 cpu_register_io_memory(omap_clkdsp_readfn, omap_clkdsp_writefn, s),
1781 };
1782
1783 s->clkm.arm_idlect1 = 0x03ff;
1784 s->clkm.arm_idlect2 = 0x0100;
1785 s->clkm.dsp_idlect1 = 0x0002;
1786 omap_clkm_reset(s);
1787 s->clkm.cold_start = 0x3a;
1788
1789 cpu_register_physical_memory(mpu_base, 0x100, iomemtype[0]);
1790 cpu_register_physical_memory(dsp_base, 0x1000, iomemtype[1]);
1791 }
1792
1793 /* MPU I/O */
1794 struct omap_mpuio_s {
1795 qemu_irq irq;
1796 qemu_irq kbd_irq;
1797 qemu_irq *in;
1798 qemu_irq handler[16];
1799 qemu_irq wakeup;
1800
1801 uint16_t inputs;
1802 uint16_t outputs;
1803 uint16_t dir;
1804 uint16_t edge;
1805 uint16_t mask;
1806 uint16_t ints;
1807
1808 uint16_t debounce;
1809 uint16_t latch;
1810 uint8_t event;
1811
1812 uint8_t buttons[5];
1813 uint8_t row_latch;
1814 uint8_t cols;
1815 int kbd_mask;
1816 int clk;
1817 };
1818
1819 static void omap_mpuio_set(void *opaque, int line, int level)
1820 {
1821 struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
1822 uint16_t prev = s->inputs;
1823
1824 if (level)
1825 s->inputs |= 1 << line;
1826 else
1827 s->inputs &= ~(1 << line);
1828
1829 if (((1 << line) & s->dir & ~s->mask) && s->clk) {
1830 if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) {
1831 s->ints |= 1 << line;
1832 qemu_irq_raise(s->irq);
1833 /* TODO: wakeup */
1834 }
1835 if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */
1836 (s->event >> 1) == line) /* PIN_SELECT */
1837 s->latch = s->inputs;
1838 }
1839 }
1840
1841 static void omap_mpuio_kbd_update(struct omap_mpuio_s *s)
1842 {
1843 int i;
1844 uint8_t *row, rows = 0, cols = ~s->cols;
1845
1846 for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1)
1847 if (*row & cols)
1848 rows |= i;
1849
1850 qemu_set_irq(s->kbd_irq, rows && !s->kbd_mask && s->clk);
1851 s->row_latch = ~rows;
1852 }
1853
1854 static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr)
1855 {
1856 struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
1857 int offset = addr & OMAP_MPUI_REG_MASK;
1858 uint16_t ret;
1859
1860 switch (offset) {
1861 case 0x00: /* INPUT_LATCH */
1862 return s->inputs;
1863
1864 case 0x04: /* OUTPUT_REG */
1865 return s->outputs;
1866
1867 case 0x08: /* IO_CNTL */
1868 return s->dir;
1869
1870 case 0x10: /* KBR_LATCH */
1871 return s->row_latch;
1872
1873 case 0x14: /* KBC_REG */
1874 return s->cols;
1875
1876 case 0x18: /* GPIO_EVENT_MODE_REG */
1877 return s->event;
1878
1879 case 0x1c: /* GPIO_INT_EDGE_REG */
1880 return s->edge;
1881
1882 case 0x20: /* KBD_INT */
1883 return (~s->row_latch & 0x1f) && !s->kbd_mask;
1884
1885 case 0x24: /* GPIO_INT */
1886 ret = s->ints;
1887 s->ints &= s->mask;
1888 if (ret)
1889 qemu_irq_lower(s->irq);
1890 return ret;
1891
1892 case 0x28: /* KBD_MASKIT */
1893 return s->kbd_mask;
1894
1895 case 0x2c: /* GPIO_MASKIT */
1896 return s->mask;
1897
1898 case 0x30: /* GPIO_DEBOUNCING_REG */
1899 return s->debounce;
1900
1901 case 0x34: /* GPIO_LATCH_REG */
1902 return s->latch;
1903 }
1904
1905 OMAP_BAD_REG(addr);
1906 return 0;
1907 }
1908
1909 static void omap_mpuio_write(void *opaque, target_phys_addr_t addr,
1910 uint32_t value)
1911 {
1912 struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
1913 int offset = addr & OMAP_MPUI_REG_MASK;
1914 uint16_t diff;
1915 int ln;
1916
1917 switch (offset) {
1918 case 0x04: /* OUTPUT_REG */
1919 diff = (s->outputs ^ value) & ~s->dir;
1920 s->outputs = value;
1921 while ((ln = ffs(diff))) {
1922 ln --;
1923 if (s->handler[ln])
1924 qemu_set_irq(s->handler[ln], (value >> ln) & 1);
1925 diff &= ~(1 << ln);
1926 }
1927 break;
1928
1929 case 0x08: /* IO_CNTL */
1930 diff = s->outputs & (s->dir ^ value);
1931 s->dir = value;
1932
1933 value = s->outputs & ~s->dir;
1934 while ((ln = ffs(diff))) {
1935 ln --;
1936 if (s->handler[ln])
1937 qemu_set_irq(s->handler[ln], (value >> ln) & 1);
1938 diff &= ~(1 << ln);
1939 }
1940 break;
1941
1942 case 0x14: /* KBC_REG */
1943 s->cols = value;
1944 omap_mpuio_kbd_update(s);
1945 break;
1946
1947 case 0x18: /* GPIO_EVENT_MODE_REG */
1948 s->event = value & 0x1f;
1949 break;
1950
1951 case 0x1c: /* GPIO_INT_EDGE_REG */
1952 s->edge = value;
1953 break;
1954
1955 case 0x28: /* KBD_MASKIT */
1956 s->kbd_mask = value & 1;
1957 omap_mpuio_kbd_update(s);
1958 break;
1959
1960 case 0x2c: /* GPIO_MASKIT */
1961 s->mask = value;
1962 break;
1963
1964 case 0x30: /* GPIO_DEBOUNCING_REG */
1965 s->debounce = value & 0x1ff;
1966 break;
1967
1968 case 0x00: /* INPUT_LATCH */
1969 case 0x10: /* KBR_LATCH */
1970 case 0x20: /* KBD_INT */
1971 case 0x24: /* GPIO_INT */
1972 case 0x34: /* GPIO_LATCH_REG */
1973 OMAP_RO_REG(addr);
1974 return;
1975
1976 default:
1977 OMAP_BAD_REG(addr);
1978 return;
1979 }
1980 }
1981
1982 static CPUReadMemoryFunc * const omap_mpuio_readfn[] = {
1983 omap_badwidth_read16,
1984 omap_mpuio_read,
1985 omap_badwidth_read16,
1986 };
1987
1988 static CPUWriteMemoryFunc * const omap_mpuio_writefn[] = {
1989 omap_badwidth_write16,
1990 omap_mpuio_write,
1991 omap_badwidth_write16,
1992 };
1993
1994 static void omap_mpuio_reset(struct omap_mpuio_s *s)
1995 {
1996 s->inputs = 0;
1997 s->outputs = 0;
1998 s->dir = ~0;
1999 s->event = 0;
2000 s->edge = 0;
2001 s->kbd_mask = 0;
2002 s->mask = 0;
2003 s->debounce = 0;
2004 s->latch = 0;
2005 s->ints = 0;
2006 s->row_latch = 0x1f;
2007 s->clk = 1;
2008 }
2009
2010 static void omap_mpuio_onoff(void *opaque, int line, int on)
2011 {
2012 struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
2013
2014 s->clk = on;
2015 if (on)
2016 omap_mpuio_kbd_update(s);
2017 }
2018
2019 struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base,
2020 qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
2021 omap_clk clk)
2022 {
2023 int iomemtype;
2024 struct omap_mpuio_s *s = (struct omap_mpuio_s *)
2025 qemu_mallocz(sizeof(struct omap_mpuio_s));
2026
2027 s->irq = gpio_int;
2028 s->kbd_irq = kbd_int;
2029 s->wakeup = wakeup;
2030 s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16);
2031 omap_mpuio_reset(s);
2032
2033 iomemtype = cpu_register_io_memory(omap_mpuio_readfn,
2034 omap_mpuio_writefn, s);
2035 cpu_register_physical_memory(base, 0x800, iomemtype);
2036
2037 omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]);
2038
2039 return s;
2040 }
2041
2042 qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s)
2043 {
2044 return s->in;
2045 }
2046
2047 void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler)
2048 {
2049 if (line >= 16 || line < 0)
2050 hw_error("%s: No GPIO line %i\n", __FUNCTION__, line);
2051 s->handler[line] = handler;
2052 }
2053
2054 void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down)
2055 {
2056 if (row >= 5 || row < 0)
2057 hw_error("%s: No key %i-%i\n", __FUNCTION__, col, row);
2058
2059 if (down)
2060 s->buttons[row] |= 1 << col;
2061 else
2062 s->buttons[row] &= ~(1 << col);
2063
2064 omap_mpuio_kbd_update(s);
2065 }
2066
2067 /* MicroWire Interface */
2068 struct omap_uwire_s {
2069 qemu_irq txirq;
2070 qemu_irq rxirq;
2071 qemu_irq txdrq;
2072
2073 uint16_t txbuf;
2074 uint16_t rxbuf;
2075 uint16_t control;
2076 uint16_t setup[5];
2077
2078 uWireSlave *chip[4];
2079 };
2080
2081 static void omap_uwire_transfer_start(struct omap_uwire_s *s)
2082 {
2083 int chipselect = (s->control >> 10) & 3; /* INDEX */
2084 uWireSlave *slave = s->chip[chipselect];
2085
2086 if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */
2087 if (s->control & (1 << 12)) /* CS_CMD */
2088 if (slave && slave->send)
2089 slave->send(slave->opaque,
2090 s->txbuf >> (16 - ((s->control >> 5) & 0x1f)));
2091 s->control &= ~(1 << 14); /* CSRB */
2092 /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
2093 * a DRQ. When is the level IRQ supposed to be reset? */
2094 }
2095
2096 if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */
2097 if (s->control & (1 << 12)) /* CS_CMD */
2098 if (slave && slave->receive)
2099 s->rxbuf = slave->receive(slave->opaque);
2100 s->control |= 1 << 15; /* RDRB */
2101 /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
2102 * a DRQ. When is the level IRQ supposed to be reset? */
2103 }
2104 }
2105
2106 static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr)
2107 {
2108 struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
2109 int offset = addr & OMAP_MPUI_REG_MASK;
2110
2111 switch (offset) {
2112 case 0x00: /* RDR */
2113 s->control &= ~(1 << 15); /* RDRB */
2114 return s->rxbuf;
2115
2116 case 0x04: /* CSR */
2117 return s->control;
2118
2119 case 0x08: /* SR1 */
2120 return s->setup[0];
2121 case 0x0c: /* SR2 */
2122 return s->setup[1];
2123 case 0x10: /* SR3 */
2124 return s->setup[2];
2125 case 0x14: /* SR4 */
2126 return s->setup[3];
2127 case 0x18: /* SR5 */
2128 return s->setup[4];
2129 }
2130
2131 OMAP_BAD_REG(addr);
2132 return 0;
2133 }
2134
2135 static void omap_uwire_write(void *opaque, target_phys_addr_t addr,
2136 uint32_t value)
2137 {
2138 struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
2139 int offset = addr & OMAP_MPUI_REG_MASK;
2140
2141 switch (offset) {
2142 case 0x00: /* TDR */
2143 s->txbuf = value; /* TD */
2144 if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */
2145 ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */
2146 (s->control & (1 << 12)))) { /* CS_CMD */
2147 s->control |= 1 << 14; /* CSRB */
2148 omap_uwire_transfer_start(s);
2149 }
2150 break;
2151
2152 case 0x04: /* CSR */
2153 s->control = value & 0x1fff;
2154 if (value & (1 << 13)) /* START */
2155 omap_uwire_transfer_start(s);
2156 break;
2157
2158 case 0x08: /* SR1 */
2159 s->setup[0] = value & 0x003f;
2160 break;
2161
2162 case 0x0c: /* SR2 */
2163 s->setup[1] = value & 0x0fc0;
2164 break;
2165
2166 case 0x10: /* SR3 */
2167 s->setup[2] = value & 0x0003;
2168 break;
2169
2170 case 0x14: /* SR4 */
2171 s->setup[3] = value & 0x0001;
2172 break;
2173
2174 case 0x18: /* SR5 */
2175 s->setup[4] = value & 0x000f;
2176 break;
2177
2178 default:
2179 OMAP_BAD_REG(addr);
2180 return;
2181 }
2182 }
2183
2184 static CPUReadMemoryFunc * const omap_uwire_readfn[] = {
2185 omap_badwidth_read16,
2186 omap_uwire_read,
2187 omap_badwidth_read16,
2188 };
2189
2190 static CPUWriteMemoryFunc * const omap_uwire_writefn[] = {
2191 omap_badwidth_write16,
2192 omap_uwire_write,
2193 omap_badwidth_write16,
2194 };
2195
2196 static void omap_uwire_reset(struct omap_uwire_s *s)
2197 {
2198 s->control = 0;
2199 s->setup[0] = 0;
2200 s->setup[1] = 0;
2201 s->setup[2] = 0;
2202 s->setup[3] = 0;
2203 s->setup[4] = 0;
2204 }
2205
2206 struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
2207 qemu_irq *irq, qemu_irq dma, omap_clk clk)
2208 {
2209 int iomemtype;
2210 struct omap_uwire_s *s = (struct omap_uwire_s *)
2211 qemu_mallocz(sizeof(struct omap_uwire_s));
2212
2213 s->txirq = irq[0];
2214 s->rxirq = irq[1];
2215 s->txdrq = dma;
2216 omap_uwire_reset(s);
2217
2218 iomemtype = cpu_register_io_memory(omap_uwire_readfn,
2219 omap_uwire_writefn, s);
2220 cpu_register_physical_memory(base, 0x800, iomemtype);
2221
2222 return s;
2223 }
2224
2225 void omap_uwire_attach(struct omap_uwire_s *s,
2226 uWireSlave *slave, int chipselect)
2227 {
2228 if (chipselect < 0 || chipselect > 3) {
2229 fprintf(stderr, "%s: Bad chipselect %i\n", __FUNCTION__, chipselect);
2230 exit(-1);
2231 }
2232
2233 s->chip[chipselect] = slave;
2234 }
2235
2236 /* Pseudonoise Pulse-Width Light Modulator */
2237 static void omap_pwl_update(struct omap_mpu_state_s *s)
2238 {
2239 int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0;
2240
2241 if (output != s->pwl.output) {
2242 s->pwl.output = output;
2243 printf("%s: Backlight now at %i/256\n", __FUNCTION__, output);
2244 }
2245 }
2246
2247 static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr)
2248 {
2249 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2250 int offset = addr & OMAP_MPUI_REG_MASK;
2251
2252 switch (offset) {
2253 case 0x00: /* PWL_LEVEL */
2254 return s->pwl.level;
2255 case 0x04: /* PWL_CTRL */
2256 return s->pwl.enable;
2257 }
2258 OMAP_BAD_REG(addr);
2259 return 0;
2260 }
2261
2262 static void omap_pwl_write(void *opaque, target_phys_addr_t addr,
2263 uint32_t value)
2264 {
2265 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2266 int offset = addr & OMAP_MPUI_REG_MASK;
2267
2268 switch (offset) {
2269 case 0x00: /* PWL_LEVEL */
2270 s->pwl.level = value;
2271 omap_pwl_update(s);
2272 break;
2273 case 0x04: /* PWL_CTRL */
2274 s->pwl.enable = value & 1;
2275 omap_pwl_update(s);
2276 break;
2277 default:
2278 OMAP_BAD_REG(addr);
2279 return;
2280 }
2281 }
2282
2283 static CPUReadMemoryFunc * const omap_pwl_readfn[] = {
2284 omap_pwl_read,
2285 omap_badwidth_read8,
2286 omap_badwidth_read8,
2287 };
2288
2289 static CPUWriteMemoryFunc * const omap_pwl_writefn[] = {
2290 omap_pwl_write,
2291 omap_badwidth_write8,
2292 omap_badwidth_write8,
2293 };
2294
2295 static void omap_pwl_reset(struct omap_mpu_state_s *s)
2296 {
2297 s->pwl.output = 0;
2298 s->pwl.level = 0;
2299 s->pwl.enable = 0;
2300 s->pwl.clk = 1;
2301 omap_pwl_update(s);
2302 }
2303
2304 static void omap_pwl_clk_update(void *opaque, int line, int on)
2305 {
2306 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2307
2308 s->pwl.clk = on;
2309 omap_pwl_update(s);
2310 }
2311
2312 static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
2313 omap_clk clk)
2314 {
2315 int iomemtype;
2316
2317 omap_pwl_reset(s);
2318
2319 iomemtype = cpu_register_io_memory(omap_pwl_readfn,
2320 omap_pwl_writefn, s);
2321 cpu_register_physical_memory(base, 0x800, iomemtype);
2322
2323 omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]);
2324 }
2325
2326 /* Pulse-Width Tone module */
2327 static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr)
2328 {
2329 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2330 int offset = addr & OMAP_MPUI_REG_MASK;
2331
2332 switch (offset) {
2333 case 0x00: /* FRC */
2334 return s->pwt.frc;
2335 case 0x04: /* VCR */
2336 return s->pwt.vrc;
2337 case 0x08: /* GCR */
2338 return s->pwt.gcr;
2339 }
2340 OMAP_BAD_REG(addr);
2341 return 0;
2342 }
2343
2344 static void omap_pwt_write(void *opaque, target_phys_addr_t addr,
2345 uint32_t value)
2346 {
2347 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
2348 int offset = addr & OMAP_MPUI_REG_MASK;
2349
2350 switch (offset) {
2351 case 0x00: /* FRC */
2352 s->pwt.frc = value & 0x3f;
2353 break;
2354 case 0x04: /* VRC */
2355 if ((value ^ s->pwt.vrc) & 1) {
2356 if (value & 1)
2357 printf("%s: %iHz buzz on\n", __FUNCTION__, (int)
2358 /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */
2359 ((omap_clk_getrate(s->pwt.clk) >> 3) /
2360 /* Pre-multiplexer divider */
2361 ((s->pwt.gcr & 2) ? 1 : 154) /
2362 /* Octave multiplexer */
2363 (2 << (value & 3)) *
2364 /* 101/107 divider */
2365 ((value & (1 << 2)) ? 101 : 107) *
2366 /* 49/55 divider */
2367 ((value & (1 << 3)) ? 49 : 55) *
2368 /* 50/63 divider */
2369 ((value & (1 << 4)) ? 50 : 63) *
2370 /* 80/127 divider */
2371 ((value & (1 << 5)) ? 80 : 127) /
2372 (107 * 55 * 63 * 127)));
2373 else
2374 printf("%s: silence!\n", __FUNCTION__);
2375 }
2376 s->pwt.vrc = value & 0x7f;
2377 break;
2378 case 0x08: /* GCR */
2379 s->pwt.gcr = value & 3;
2380 break;
2381 default:
2382 OMAP_BAD_REG(addr);
2383 return;
2384 }
2385 }
2386
2387 static CPUReadMemoryFunc * const omap_pwt_readfn[] = {
2388 omap_pwt_read,
2389 omap_badwidth_read8,
2390 omap_badwidth_read8,
2391 };
2392
2393 static CPUWriteMemoryFunc * const omap_pwt_writefn[] = {
2394 omap_pwt_write,
2395 omap_badwidth_write8,
2396 omap_badwidth_write8,
2397 };
2398
2399 static void omap_pwt_reset(struct omap_mpu_state_s *s)
2400 {
2401 s->pwt.frc = 0;
2402 s->pwt.vrc = 0;
2403 s->pwt.gcr = 0;
2404 }
2405
2406 static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
2407 omap_clk clk)
2408 {
2409 int iomemtype;
2410
2411 s->pwt.clk = clk;
2412 omap_pwt_reset(s);
2413
2414 iomemtype = cpu_register_io_memory(omap_pwt_readfn,
2415 omap_pwt_writefn, s);
2416 cpu_register_physical_memory(base, 0x800, iomemtype);
2417 }
2418
2419 /* Real-time Clock module */
2420 struct omap_rtc_s {
2421 qemu_irq irq;
2422 qemu_irq alarm;
2423 QEMUTimer *clk;
2424
2425 uint8_t interrupts;
2426 uint8_t status;
2427 int16_t comp_reg;
2428 int running;
2429 int pm_am;
2430 int auto_comp;
2431 int round;
2432 struct tm alarm_tm;
2433 time_t alarm_ti;
2434
2435 struct tm current_tm;
2436 time_t ti;
2437 uint64_t tick;
2438 };
2439
2440 static void omap_rtc_interrupts_update(struct omap_rtc_s *s)
2441 {
2442 /* s->alarm is level-triggered */
2443 qemu_set_irq(s->alarm, (s->status >> 6) & 1);
2444 }
2445
2446 static void omap_rtc_alarm_update(struct omap_rtc_s *s)
2447 {
2448 s->alarm_ti = mktimegm(&s->alarm_tm);
2449 if (s->alarm_ti == -1)
2450 printf("%s: conversion failed\n", __FUNCTION__);
2451 }
2452
2453 static uint32_t omap_rtc_read(void *opaque, target_phys_addr_t addr)
2454 {
2455 struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
2456 int offset = addr & OMAP_MPUI_REG_MASK;
2457 uint8_t i;
2458
2459 switch (offset) {
2460 case 0x00: /* SECONDS_REG */
2461 return to_bcd(s->current_tm.tm_sec);
2462
2463 case 0x04: /* MINUTES_REG */
2464 return to_bcd(s->current_tm.tm_min);
2465
2466 case 0x08: /* HOURS_REG */
2467 if (s->pm_am)
2468 return ((s->current_tm.tm_hour > 11) << 7) |
2469 to_bcd(((s->current_tm.tm_hour - 1) % 12) + 1);
2470 else
2471 return to_bcd(s->current_tm.tm_hour);
2472
2473 case 0x0c: /* DAYS_REG */
2474 return to_bcd(s->current_tm.tm_mday);
2475
2476 case 0x10: /* MONTHS_REG */
2477 return to_bcd(s->current_tm.tm_mon + 1);
2478
2479 case 0x14: /* YEARS_REG */
2480 return to_bcd(s->current_tm.tm_year % 100);
2481
2482 case 0x18: /* WEEK_REG */
2483 return s->current_tm.tm_wday;
2484
2485 case 0x20: /* ALARM_SECONDS_REG */
2486 return to_bcd(s->alarm_tm.tm_sec);
2487
2488 case 0x24: /* ALARM_MINUTES_REG */
2489 return to_bcd(s->alarm_tm.tm_min);
2490
2491 case 0x28: /* ALARM_HOURS_REG */
2492 if (s->pm_am)
2493 return ((s->alarm_tm.tm_hour > 11) << 7) |
2494 to_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1);
2495 else
2496 return to_bcd(s->alarm_tm.tm_hour);
2497
2498 case 0x2c: /* ALARM_DAYS_REG */
2499 return to_bcd(s->alarm_tm.tm_mday);
2500
2501 case 0x30: /* ALARM_MONTHS_REG */
2502 return to_bcd(s->alarm_tm.tm_mon + 1);
2503
2504 case 0x34: /* ALARM_YEARS_REG */
2505 return to_bcd(s->alarm_tm.tm_year % 100);
2506
2507 case 0x40: /* RTC_CTRL_REG */
2508 return (s->pm_am << 3) | (s->auto_comp << 2) |
2509 (s->round << 1) | s->running;
2510
2511 case 0x44: /* RTC_STATUS_REG */
2512 i = s->status;
2513 s->status &= ~0x3d;
2514 return i;
2515
2516 case 0x48: /* RTC_INTERRUPTS_REG */
2517 return s->interrupts;
2518
2519 case 0x4c: /* RTC_COMP_LSB_REG */
2520 return ((uint16_t) s->comp_reg) & 0xff;
2521
2522 case 0x50: /* RTC_COMP_MSB_REG */
2523 return ((uint16_t) s->comp_reg) >> 8;
2524 }
2525
2526 OMAP_BAD_REG(addr);
2527 return 0;
2528 }
2529
2530 static void omap_rtc_write(void *opaque, target_phys_addr_t addr,
2531 uint32_t value)
2532 {
2533 struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
2534 int offset = addr & OMAP_MPUI_REG_MASK;
2535 struct tm new_tm;
2536 time_t ti[2];
2537
2538 switch (offset) {
2539 case 0x00: /* SECONDS_REG */
2540 #ifdef ALMDEBUG
2541 printf("RTC SEC_REG <-- %02x\n", value);
2542 #endif
2543 s->ti -= s->current_tm.tm_sec;
2544 s->ti += from_bcd(value);
2545 return;
2546
2547 case 0x04: /* MINUTES_REG */
2548 #ifdef ALMDEBUG
2549 printf("RTC MIN_REG <-- %02x\n", value);
2550 #endif
2551 s->ti -= s->current_tm.tm_min * 60;
2552 s->ti += from_bcd(value) * 60;
2553 return;
2554
2555 case 0x08: /* HOURS_REG */
2556 #ifdef ALMDEBUG
2557 printf("RTC HRS_REG <-- %02x\n", value);
2558 #endif
2559 s->ti -= s->current_tm.tm_hour * 3600;
2560 if (s->pm_am) {
2561 s->ti += (from_bcd(value & 0x3f) & 12) * 3600;
2562 s->ti += ((value >> 7) & 1) * 43200;
2563 } else
2564 s->ti += from_bcd(value & 0x3f) * 3600;
2565 return;
2566
2567 case 0x0c: /* DAYS_REG */
2568 #ifdef ALMDEBUG
2569 printf("RTC DAY_REG <-- %02x\n", value);
2570 #endif
2571 s->ti -= s->current_tm.tm_mday * 86400;
2572 s->ti += from_bcd(value) * 86400;
2573 return;
2574
2575 case 0x10: /* MONTHS_REG */
2576 #ifdef ALMDEBUG
2577 printf("RTC MTH_REG <-- %02x\n", value);
2578 #endif
2579 memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
2580 new_tm.tm_mon = from_bcd(value);
2581 ti[0] = mktimegm(&s->current_tm);
2582 ti[1] = mktimegm(&new_tm);
2583
2584 if (ti[0] != -1 && ti[1] != -1) {
2585 s->ti -= ti[0];
2586 s->ti += ti[1];
2587 } else {
2588 /* A less accurate version */
2589 s->ti -= s->current_tm.tm_mon * 2592000;
2590 s->ti += from_bcd(value) * 2592000;
2591 }
2592 return;
2593
2594 case 0x14: /* YEARS_REG */
2595 #ifdef ALMDEBUG
2596 printf("RTC YRS_REG <-- %02x\n", value);
2597 #endif
2598 memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
2599 new_tm.tm_year += from_bcd(value) - (new_tm.tm_year % 100);
2600 ti[0] = mktimegm(&s->current_tm);
2601 ti[1] = mktimegm(&new_tm);
2602
2603 if (ti[0] != -1 && ti[1] != -1) {
2604 s->ti -= ti[0];
2605 s->ti += ti[1];
2606 } else {
2607 /* A less accurate version */
2608 s->ti -= (s->current_tm.tm_year % 100) * 31536000;
2609 s->ti += from_bcd(value) * 31536000;
2610 }
2611 return;
2612
2613 case 0x18: /* WEEK_REG */
2614 return; /* Ignored */
2615
2616 case 0x20: /* ALARM_SECONDS_REG */
2617 #ifdef ALMDEBUG
2618 printf("ALM SEC_REG <-- %02x\n", value);
2619 #endif
2620 s->alarm_tm.tm_sec = from_bcd(value);
2621 omap_rtc_alarm_update(s);
2622 return;
2623
2624 case 0x24: /* ALARM_MINUTES_REG */
2625 #ifdef ALMDEBUG
2626 printf("ALM MIN_REG <-- %02x\n", value);
2627 #endif
2628 s->alarm_tm.tm_min = from_bcd(value);
2629 omap_rtc_alarm_update(s);
2630 return;
2631
2632 case 0x28: /* ALARM_HOURS_REG */
2633 #ifdef ALMDEBUG
2634 printf("ALM HRS_REG <-- %02x\n", value);
2635 #endif
2636 if (s->pm_am)
2637 s->alarm_tm.tm_hour =
2638 ((from_bcd(value & 0x3f)) % 12) +
2639 ((value >> 7) & 1) * 12;
2640 else
2641 s->alarm_tm.tm_hour = from_bcd(value);
2642 omap_rtc_alarm_update(s);
2643 return;
2644
2645 case 0x2c: /* ALARM_DAYS_REG */
2646 #ifdef ALMDEBUG
2647 printf("ALM DAY_REG <-- %02x\n", value);
2648 #endif
2649 s->alarm_tm.tm_mday = from_bcd(value);
2650 omap_rtc_alarm_update(s);
2651 return;
2652
2653 case 0x30: /* ALARM_MONTHS_REG */
2654 #ifdef ALMDEBUG
2655 printf("ALM MON_REG <-- %02x\n", value);
2656 #endif
2657 s->alarm_tm.tm_mon = from_bcd(value);
2658 omap_rtc_alarm_update(s);
2659 return;
2660
2661 case 0x34: /* ALARM_YEARS_REG */
2662 #ifdef ALMDEBUG
2663 printf("ALM YRS_REG <-- %02x\n", value);
2664 #endif
2665 s->alarm_tm.tm_year = from_bcd(value);
2666 omap_rtc_alarm_update(s);
2667 return;
2668
2669 case 0x40: /* RTC_CTRL_REG */
2670 #ifdef ALMDEBUG
2671 printf("RTC CONTROL <-- %02x\n", value);
2672 #endif
2673 s->pm_am = (value >> 3) & 1;
2674 s->auto_comp = (value >> 2) & 1;
2675 s->round = (value >> 1) & 1;
2676 s->running = value & 1;
2677 s->status &= 0xfd;
2678 s->status |= s->running << 1;
2679 return;
2680
2681 case 0x44: /* RTC_STATUS_REG */
2682 #ifdef ALMDEBUG
2683 printf("RTC STATUSL <-- %02x\n", value);
2684 #endif
2685 s->status &= ~((value & 0xc0) ^ 0x80);
2686 omap_rtc_interrupts_update(s);
2687 return;
2688
2689 case 0x48: /* RTC_INTERRUPTS_REG */
2690 #ifdef ALMDEBUG
2691 printf("RTC INTRS <-- %02x\n", value);
2692 #endif
2693 s->interrupts = value;
2694 return;
2695
2696 case 0x4c: /* RTC_COMP_LSB_REG */
2697 #ifdef ALMDEBUG
2698 printf("RTC COMPLSB <-- %02x\n", value);
2699 #endif
2700 s->comp_reg &= 0xff00;
2701 s->comp_reg |= 0x00ff & value;
2702 return;
2703
2704 case 0x50: /* RTC_COMP_MSB_REG */
2705 #ifdef ALMDEBUG
2706 printf("RTC COMPMSB <-- %02x\n", value);
2707 #endif
2708 s->comp_reg &= 0x00ff;
2709 s->comp_reg |= 0xff00 & (value << 8);
2710 return;
2711
2712 default:
2713 OMAP_BAD_REG(addr);
2714 return;
2715 }
2716 }
2717
2718 static CPUReadMemoryFunc * const omap_rtc_readfn[] = {
2719 omap_rtc_read,
2720 omap_badwidth_read8,
2721 omap_badwidth_read8,
2722 };
2723
2724 static CPUWriteMemoryFunc * const omap_rtc_writefn[] = {
2725 omap_rtc_write,
2726 omap_badwidth_write8,
2727 omap_badwidth_write8,
2728 };
2729
2730 static void omap_rtc_tick(void *opaque)
2731 {
2732 struct omap_rtc_s *s = opaque;
2733
2734 if (s->round) {
2735 /* Round to nearest full minute. */
2736 if (s->current_tm.tm_sec < 30)
2737 s->ti -= s->current_tm.tm_sec;
2738 else
2739 s->ti += 60 - s->current_tm.tm_sec;
2740
2741 s->round = 0;
2742 }
2743
2744 memcpy(&s->current_tm, localtime(&s->ti), sizeof(s->current_tm));
2745
2746 if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) {
2747 s->status |= 0x40;
2748 omap_rtc_interrupts_update(s);
2749 }
2750
2751 if (s->interrupts & 0x04)
2752 switch (s->interrupts & 3) {
2753 case 0:
2754 s->status |= 0x04;
2755 qemu_irq_pulse(s->irq);
2756 break;
2757 case 1:
2758 if (s->current_tm.tm_sec)
2759 break;
2760 s->status |= 0x08;
2761 qemu_irq_pulse(s->irq);
2762 break;
2763 case 2:
2764 if (s->current_tm.tm_sec || s->current_tm.tm_min)
2765 break;
2766 s->status |= 0x10;
2767 qemu_irq_pulse(s->irq);
2768 break;
2769 case 3:
2770 if (s->current_tm.tm_sec ||
2771 s->current_tm.tm_min || s->current_tm.tm_hour)
2772 break;
2773 s->status |= 0x20;
2774 qemu_irq_pulse(s->irq);
2775 break;
2776 }
2777
2778 /* Move on */
2779 if (s->running)
2780 s->ti ++;
2781 s->tick += 1000;
2782
2783 /*
2784 * Every full hour add a rough approximation of the compensation
2785 * register to the 32kHz Timer (which drives the RTC) value.
2786 */
2787 if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min)
2788 s->tick += s->comp_reg * 1000 / 32768;
2789
2790 qemu_mod_timer(s->clk, s->tick);
2791 }
2792
2793 static void omap_rtc_reset(struct omap_rtc_s *s)
2794 {
2795 struct tm tm;
2796
2797 s->interrupts = 0;
2798 s->comp_reg = 0;
2799 s->running = 0;
2800 s->pm_am = 0;
2801 s->auto_comp = 0;
2802 s->round = 0;
2803 s->tick = qemu_get_clock(rt_clock);
2804 memset(&s->alarm_tm, 0, sizeof(s->alarm_tm));
2805 s->alarm_tm.tm_mday = 0x01;
2806 s->status = 1 << 7;
2807 qemu_get_timedate(&tm, 0);
2808 s->ti = mktimegm(&tm);
2809
2810 omap_rtc_alarm_update(s);
2811 omap_rtc_tick(s);
2812 }
2813
2814 static struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
2815 qemu_irq *irq, omap_clk clk)
2816 {
2817 int iomemtype;
2818 struct omap_rtc_s *s = (struct omap_rtc_s *)
2819 qemu_mallocz(sizeof(struct omap_rtc_s));
2820
2821 s->irq = irq[0];
2822 s->alarm = irq[1];
2823 s->clk = qemu_new_timer(rt_clock, omap_rtc_tick, s);
2824
2825 omap_rtc_reset(s);
2826
2827 iomemtype = cpu_register_io_memory(omap_rtc_readfn,
2828 omap_rtc_writefn, s);
2829 cpu_register_physical_memory(base, 0x800, iomemtype);
2830
2831 return s;
2832 }
2833
2834 /* Multi-channel Buffered Serial Port interfaces */
2835 struct omap_mcbsp_s {
2836 qemu_irq txirq;
2837 qemu_irq rxirq;
2838 qemu_irq txdrq;
2839 qemu_irq rxdrq;
2840
2841 uint16_t spcr[2];
2842 uint16_t rcr[2];
2843 uint16_t xcr[2];
2844 uint16_t srgr[2];
2845 uint16_t mcr[2];
2846 uint16_t pcr;
2847 uint16_t rcer[8];
2848 uint16_t xcer[8];
2849 int tx_rate;
2850 int rx_rate;
2851 int tx_req;
2852 int rx_req;
2853
2854 I2SCodec *codec;
2855 QEMUTimer *source_timer;
2856 QEMUTimer *sink_timer;
2857 };
2858
2859 static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s)
2860 {
2861 int irq;
2862
2863 switch ((s->spcr[0] >> 4) & 3) { /* RINTM */
2864 case 0:
2865 irq = (s->spcr[0] >> 1) & 1; /* RRDY */
2866 break;
2867 case 3:
2868 irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */
2869 break;
2870 default:
2871 irq = 0;
2872 break;
2873 }
2874
2875 if (irq)
2876 qemu_irq_pulse(s->rxirq);
2877
2878 switch ((s->spcr[1] >> 4) & 3) { /* XINTM */
2879 case 0:
2880 irq = (s->spcr[1] >> 1) & 1; /* XRDY */
2881 break;
2882 case 3:
2883 irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */
2884 break;
2885 default:
2886 irq = 0;
2887 break;
2888 }
2889
2890 if (irq)
2891 qemu_irq_pulse(s->txirq);
2892 }
2893
2894 static void omap_mcbsp_rx_newdata(struct omap_mcbsp_s *s)
2895 {
2896 if ((s->spcr[0] >> 1) & 1) /* RRDY */
2897 s->spcr[0] |= 1 << 2; /* RFULL */
2898 s->spcr[0] |= 1 << 1; /* RRDY */
2899 qemu_irq_raise(s->rxdrq);
2900 omap_mcbsp_intr_update(s);
2901 }
2902
2903 static void omap_mcbsp_source_tick(void *opaque)
2904 {
2905 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
2906 static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 };
2907
2908 if (!s->rx_rate)
2909 return;
2910 if (s->rx_req)
2911 printf("%s: Rx FIFO overrun\n", __FUNCTION__);
2912
2913 s->rx_req = s->rx_rate << bps[(s->rcr[0] >> 5) & 7];
2914
2915 omap_mcbsp_rx_newdata(s);
2916 qemu_mod_timer(s->source_timer, qemu_get_clock(vm_clock) +
2917 get_ticks_per_sec());
2918 }
2919
2920 static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s)
2921 {
2922 if (!s->codec || !s->codec->rts)
2923 omap_mcbsp_source_tick(s);
2924 else if (s->codec->in.len) {
2925 s->rx_req = s->codec->in.len;
2926 omap_mcbsp_rx_newdata(s);
2927 }
2928 }
2929
2930 static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s)
2931 {
2932 qemu_del_timer(s->source_timer);
2933 }
2934
2935 static void omap_mcbsp_rx_done(struct omap_mcbsp_s *s)
2936 {
2937 s->spcr[0] &= ~(1 << 1); /* RRDY */
2938 qemu_irq_lower(s->rxdrq);
2939 omap_mcbsp_intr_update(s);
2940 }
2941
2942 static void omap_mcbsp_tx_newdata(struct omap_mcbsp_s *s)
2943 {
2944 s->spcr[1] |= 1 << 1; /* XRDY */
2945 qemu_irq_raise(s->txdrq);
2946 omap_mcbsp_intr_update(s);
2947 }
2948
2949 static void omap_mcbsp_sink_tick(void *opaque)
2950 {
2951 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
2952 static const int bps[8] = { 0, 1, 1, 2, 2, 2, -255, -255 };
2953
2954 if (!s->tx_rate)
2955 return;
2956 if (s->tx_req)
2957 printf("%s: Tx FIFO underrun\n", __FUNCTION__);
2958
2959 s->tx_req = s->tx_rate << bps[(s->xcr[0] >> 5) & 7];
2960
2961 omap_mcbsp_tx_newdata(s);
2962 qemu_mod_timer(s->sink_timer, qemu_get_clock(vm_clock) +
2963 get_ticks_per_sec());
2964 }
2965
2966 static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s)
2967 {
2968 if (!s->codec || !s->codec->cts)
2969 omap_mcbsp_sink_tick(s);
2970 else if (s->codec->out.size) {
2971 s->tx_req = s->codec->out.size;
2972 omap_mcbsp_tx_newdata(s);
2973 }
2974 }
2975
2976 static void omap_mcbsp_tx_done(struct omap_mcbsp_s *s)
2977 {
2978 s->spcr[1] &= ~(1 << 1); /* XRDY */
2979 qemu_irq_lower(s->txdrq);
2980 omap_mcbsp_intr_update(s);
2981 if (s->codec && s->codec->cts)
2982 s->codec->tx_swallow(s->codec->opaque);
2983 }
2984
2985 static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s)
2986 {
2987 s->tx_req = 0;
2988 omap_mcbsp_tx_done(s);
2989 qemu_del_timer(s->sink_timer);
2990 }
2991
2992 static void omap_mcbsp_req_update(struct omap_mcbsp_s *s)
2993 {
2994 int prev_rx_rate, prev_tx_rate;
2995 int rx_rate = 0, tx_rate = 0;
2996 int cpu_rate = 1500000; /* XXX */
2997
2998 /* TODO: check CLKSTP bit */
2999 if (s->spcr[1] & (1 << 6)) { /* GRST */
3000 if (s->spcr[0] & (1 << 0)) { /* RRST */
3001 if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
3002 (s->pcr & (1 << 8))) { /* CLKRM */
3003 if (~s->pcr & (1 << 7)) /* SCLKME */
3004 rx_rate = cpu_rate /
3005 ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
3006 } else
3007 if (s->codec)
3008 rx_rate = s->codec->rx_rate;
3009 }
3010
3011 if (s->spcr[1] & (1 << 0)) { /* XRST */
3012 if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
3013 (s->pcr & (1 << 9))) { /* CLKXM */
3014 if (~s->pcr & (1 << 7)) /* SCLKME */
3015 tx_rate = cpu_rate /
3016 ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
3017 } else
3018 if (s->codec)
3019 tx_rate = s->codec->tx_rate;
3020 }
3021 }
3022 prev_tx_rate = s->tx_rate;
3023 prev_rx_rate = s->rx_rate;
3024 s->tx_rate = tx_rate;
3025 s->rx_rate = rx_rate;
3026
3027 if (s->codec)
3028 s->codec->set_rate(s->codec->opaque, rx_rate, tx_rate);
3029
3030 if (!prev_tx_rate && tx_rate)
3031 omap_mcbsp_tx_start(s);
3032 else if (s->tx_rate && !tx_rate)
3033 omap_mcbsp_tx_stop(s);
3034
3035 if (!prev_rx_rate && rx_rate)
3036 omap_mcbsp_rx_start(s);
3037 else if (prev_tx_rate && !tx_rate)
3038 omap_mcbsp_rx_stop(s);
3039 }
3040
3041 static uint32_t omap_mcbsp_read(void *opaque, target_phys_addr_t addr)
3042 {
3043 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
3044 int offset = addr & OMAP_MPUI_REG_MASK;
3045 uint16_t ret;
3046
3047 switch (offset) {
3048 case 0x00: /* DRR2 */
3049 if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */
3050 return 0x0000;
3051 /* Fall through. */
3052 case 0x02: /* DRR1 */
3053 if (s->rx_req < 2) {
3054 printf("%s: Rx FIFO underrun\n", __FUNCTION__);
3055 omap_mcbsp_rx_done(s);
3056 } else {
3057 s->tx_req -= 2;
3058 if (s->codec && s->codec->in.len >= 2) {
3059 ret = s->codec->in.fifo[s->codec->in.start ++] << 8;
3060 ret |= s->codec->in.fifo[s->codec->in.start ++];
3061 s->codec->in.len -= 2;
3062 } else
3063 ret = 0x0000;
3064 if (!s->tx_req)
3065 omap_mcbsp_rx_done(s);
3066 return ret;
3067 }
3068 return 0x0000;
3069
3070 case 0x04: /* DXR2 */
3071 case 0x06: /* DXR1 */
3072 return 0x0000;
3073
3074 case 0x08: /* SPCR2 */
3075 return s->spcr[1];
3076 case 0x0a: /* SPCR1 */
3077 return s->spcr[0];
3078 case 0x0c: /* RCR2 */
3079 return s->rcr[1];
3080 case 0x0e: /* RCR1 */
3081 return s->rcr[0];
3082 case 0x10: /* XCR2 */
3083 return s->xcr[1];
3084 case 0x12: /* XCR1 */
3085 return s->xcr[0];
3086 case 0x14: /* SRGR2 */
3087 return s->srgr[1];
3088 case 0x16: /* SRGR1 */
3089 return s->srgr[0];
3090 case 0x18: /* MCR2 */
3091 return s->mcr[1];
3092 case 0x1a: /* MCR1 */
3093 return s->mcr[0];
3094 case 0x1c: /* RCERA */
3095 return s->rcer[0];
3096 case 0x1e: /* RCERB */
3097 return s->rcer[1];
3098 case 0x20: /* XCERA */
3099 return s->xcer[0];
3100 case 0x22: /* XCERB */
3101 return s->xcer[1];
3102 case 0x24: /* PCR0 */
3103 return s->pcr;
3104 case 0x26: /* RCERC */
3105 return s->rcer[2];
3106 case 0x28: /* RCERD */
3107 return s->rcer[3];
3108 case 0x2a: /* XCERC */
3109 return s->xcer[2];
3110 case 0x2c: /* XCERD */
3111 return s->xcer[3];
3112 case 0x2e: /* RCERE */
3113 return s->rcer[4];
3114 case 0x30: /* RCERF */
3115 return s->rcer[5];
3116 case 0x32: /* XCERE */
3117 return s->xcer[4];
3118 case 0x34: /* XCERF */
3119 return s->xcer[5];
3120 case 0x36: /* RCERG */
3121 return s->rcer[6];
3122 case 0x38: /* RCERH */
3123 return s->rcer[7];
3124 case 0x3a: /* XCERG */
3125 return s->xcer[6];
3126 case 0x3c: /* XCERH */
3127 return s->xcer[7];
3128 }
3129
3130 OMAP_BAD_REG(addr);
3131 return 0;
3132 }
3133
3134 static void omap_mcbsp_writeh(void *opaque, target_phys_addr_t addr,
3135 uint32_t value)
3136 {
3137 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
3138 int offset = addr & OMAP_MPUI_REG_MASK;
3139
3140 switch (offset) {
3141 case 0x00: /* DRR2 */
3142 case 0x02: /* DRR1 */
3143 OMAP_RO_REG(addr);
3144 return;
3145
3146 case 0x04: /* DXR2 */
3147 if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
3148 return;
3149 /* Fall through. */
3150 case 0x06: /* DXR1 */
3151 if (s->tx_req > 1) {
3152 s->tx_req -= 2;
3153 if (s->codec && s->codec->cts) {
3154 s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff;
3155 s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff;
3156 }
3157 if (s->tx_req < 2)
3158 omap_mcbsp_tx_done(s);
3159 } else
3160 printf("%s: Tx FIFO overrun\n", __FUNCTION__);
3161 return;
3162
3163 case 0x08: /* SPCR2 */
3164 s->spcr[1] &= 0x0002;
3165 s->spcr[1] |= 0x03f9 & value;
3166 s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */
3167 if (~value & 1) /* XRST */
3168 s->spcr[1] &= ~6;
3169 omap_mcbsp_req_update(s);
3170 return;
3171 case 0x0a: /* SPCR1 */
3172 s->spcr[0] &= 0x0006;
3173 s->spcr[0] |= 0xf8f9 & value;
3174 if (value & (1 << 15)) /* DLB */
3175 printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__);
3176 if (~value & 1) { /* RRST */
3177 s->spcr[0] &= ~6;
3178 s->rx_req = 0;
3179 omap_mcbsp_rx_done(s);
3180 }
3181 omap_mcbsp_req_update(s);
3182 return;
3183
3184 case 0x0c: /* RCR2 */
3185 s->rcr[1] = value & 0xffff;
3186 return;
3187 case 0x0e: /* RCR1 */
3188 s->rcr[0] = value & 0x7fe0;
3189 return;
3190 case 0x10: /* XCR2 */
3191 s->xcr[1] = value & 0xffff;
3192 return;
3193 case 0x12: /* XCR1 */
3194 s->xcr[0] = value & 0x7fe0;
3195 return;
3196 case 0x14: /* SRGR2 */
3197 s->srgr[1] = value & 0xffff;
3198 omap_mcbsp_req_update(s);
3199 return;
3200 case 0x16: /* SRGR1 */
3201 s->srgr[0] = value & 0xffff;
3202 omap_mcbsp_req_update(s);
3203 return;
3204 case 0x18: /* MCR2 */
3205 s->mcr[1] = value & 0x03e3;
3206 if (value & 3) /* XMCM */
3207 printf("%s: Tx channel selection mode enable attempt\n",
3208 __FUNCTION__);
3209 return;
3210 case 0x1a: /* MCR1 */
3211 s->mcr[0] = value & 0x03e1;
3212 if (value & 1) /* RMCM */
3213 printf("%s: Rx channel selection mode enable attempt\n",
3214 __FUNCTION__);
3215 return;
3216 case 0x1c: /* RCERA */
3217 s->rcer[0] = value & 0xffff;
3218 return;
3219 case 0x1e: /* RCERB */
3220 s->rcer[1] = value & 0xffff;
3221 return;
3222 case 0x20: /* XCERA */
3223 s->xcer[0] = value & 0xffff;
3224 return;
3225 case 0x22: /* XCERB */
3226 s->xcer[1] = value & 0xffff;
3227 return;
3228 case 0x24: /* PCR0 */
3229 s->pcr = value & 0x7faf;
3230 return;
3231 case 0x26: /* RCERC */
3232 s->rcer[2] = value & 0xffff;
3233 return;
3234 case 0x28: /* RCERD */
3235 s->rcer[3] = value & 0xffff;
3236 return;
3237 case 0x2a: /* XCERC */
3238 s->xcer[2] = value & 0xffff;
3239 return;
3240 case 0x2c: /* XCERD */
3241 s->xcer[3] = value & 0xffff;
3242 return;
3243 case 0x2e: /* RCERE */
3244 s->rcer[4] = value & 0xffff;
3245 return;
3246 case 0x30: /* RCERF */
3247 s->rcer[5] = value & 0xffff;
3248 return;
3249 case 0x32: /* XCERE */
3250 s->xcer[4] = value & 0xffff;
3251 return;
3252 case 0x34: /* XCERF */
3253 s->xcer[5] = value & 0xffff;
3254 return;
3255 case 0x36: /* RCERG */
3256 s->rcer[6] = value & 0xffff;
3257 return;
3258 case 0x38: /* RCERH */
3259 s->rcer[7] = value & 0xffff;
3260 return;
3261 case 0x3a: /* XCERG */
3262 s->xcer[6] = value & 0xffff;
3263 return;
3264 case 0x3c: /* XCERH */
3265 s->xcer[7] = value & 0xffff;
3266 return;
3267 }
3268
3269 OMAP_BAD_REG(addr);
3270 }
3271
3272 static void omap_mcbsp_writew(void *opaque, target_phys_addr_t addr,
3273 uint32_t value)
3274 {
3275 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
3276 int offset = addr & OMAP_MPUI_REG_MASK;
3277
3278 if (offset == 0x04) { /* DXR */
3279 if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
3280 return;
3281 if (s->tx_req > 3) {
3282 s->tx_req -= 4;
3283 if (s->codec && s->codec->cts) {
3284 s->codec->out.fifo[s->codec->out.len ++] =
3285 (value >> 24) & 0xff;
3286 s->codec->out.fifo[s->codec->out.len ++] =
3287 (value >> 16) & 0xff;
3288 s->codec->out.fifo[s->codec->out.len ++] =
3289 (value >> 8) & 0xff;
3290 s->codec->out.fifo[s->codec->out.len ++] =
3291 (value >> 0) & 0xff;
3292 }
3293 if (s->tx_req < 4)
3294 omap_mcbsp_tx_done(s);
3295 } else
3296 printf("%s: Tx FIFO overrun\n", __FUNCTION__);
3297 return;
3298 }
3299
3300 omap_badwidth_write16(opaque, addr, value);
3301 }
3302
3303 static CPUReadMemoryFunc * const omap_mcbsp_readfn[] = {
3304 omap_badwidth_read16,
3305 omap_mcbsp_read,
3306 omap_badwidth_read16,
3307 };
3308
3309 static CPUWriteMemoryFunc * const omap_mcbsp_writefn[] = {
3310 omap_badwidth_write16,
3311 omap_mcbsp_writeh,
3312 omap_mcbsp_writew,
3313 };
3314
3315 static void omap_mcbsp_reset(struct omap_mcbsp_s *s)
3316 {
3317 memset(&s->spcr, 0, sizeof(s->spcr));
3318 memset(&s->rcr, 0, sizeof(s->rcr));
3319 memset(&s->xcr, 0, sizeof(s->xcr));
3320 s->srgr[0] = 0x0001;
3321 s->srgr[1] = 0x2000;
3322 memset(&s->mcr, 0, sizeof(s->mcr));
3323 memset(&s->pcr, 0, sizeof(s->pcr));
3324 memset(&s->rcer, 0, sizeof(s->rcer));
3325 memset(&s->xcer, 0, sizeof(s->xcer));
3326 s->tx_req = 0;
3327 s->rx_req = 0;
3328 s->tx_rate = 0;
3329 s->rx_rate = 0;
3330 qemu_del_timer(s->source_timer);
3331 qemu_del_timer(s->sink_timer);
3332 }
3333
3334 struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
3335 qemu_irq *irq, qemu_irq *dma, omap_clk clk)
3336 {
3337 int iomemtype;
3338 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *)
3339 qemu_mallocz(sizeof(struct omap_mcbsp_s));
3340
3341 s->txirq = irq[0];
3342 s->rxirq = irq[1];
3343 s->txdrq = dma[0];
3344 s->rxdrq = dma[1];
3345 s->sink_timer = qemu_new_timer(vm_clock, omap_mcbsp_sink_tick, s);
3346 s->source_timer = qemu_new_timer(vm_clock, omap_mcbsp_source_tick, s);
3347 omap_mcbsp_reset(s);
3348
3349 iomemtype = cpu_register_io_memory(omap_mcbsp_readfn,
3350 omap_mcbsp_writefn, s);
3351 cpu_register_physical_memory(base, 0x800, iomemtype);
3352
3353 return s;
3354 }
3355
3356 static void omap_mcbsp_i2s_swallow(void *opaque, int line, int level)
3357 {
3358 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
3359
3360 if (s->rx_rate) {
3361 s->rx_req = s->codec->in.len;
3362 omap_mcbsp_rx_newdata(s);
3363 }
3364 }
3365
3366 static void omap_mcbsp_i2s_start(void *opaque, int line, int level)
3367 {
3368 struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
3369
3370 if (s->tx_rate) {
3371 s->tx_req = s->codec->out.size;
3372 omap_mcbsp_tx_newdata(s);
3373 }
3374 }
3375
3376 void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, I2SCodec *slave)
3377 {
3378 s->codec = slave;
3379 slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0];
3380 slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0];
3381 }
3382
3383 /* LED Pulse Generators */
3384 struct omap_lpg_s {
3385 QEMUTimer *tm;
3386
3387 uint8_t control;
3388 uint8_t power;
3389 int64_t on;
3390 int64_t period;
3391 int clk;
3392 int cycle;
3393 };
3394
3395 static void omap_lpg_tick(void *opaque)
3396 {
3397 struct omap_lpg_s *s = opaque;
3398
3399 if (s->cycle)
3400 qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->period - s->on);
3401 else
3402 qemu_mod_timer(s->tm, qemu_get_clock(rt_clock) + s->on);
3403
3404 s->cycle = !s->cycle;
3405 printf("%s: LED is %s\n", __FUNCTION__, s->cycle ? "on" : "off");
3406 }
3407
3408 static void omap_lpg_update(struct omap_lpg_s *s)
3409 {
3410 int64_t on, period = 1, ticks = 1000;
3411 static const int per[8] = { 1, 2, 4, 8, 12, 16, 20, 24 };
3412
3413 if (~s->control & (1 << 6)) /* LPGRES */
3414 on = 0;
3415 else if (s->control & (1 << 7)) /* PERM_ON */
3416 on = period;
3417 else {
3418 period = muldiv64(ticks, per[s->control & 7], /* PERCTRL */
3419 256 / 32);
3420 on = (s->clk && s->power) ? muldiv64(ticks,
3421 per[(s->control >> 3) & 7], 256) : 0; /* ONCTRL */
3422 }
3423
3424 qemu_del_timer(s->tm);
3425 if (on == period && s->on < s->period)
3426 printf("%s: LED is on\n", __FUNCTION__);
3427 else if (on == 0 && s->on)
3428 printf("%s: LED is off\n", __FUNCTION__);
3429 else if (on && (on != s->on || period != s->period)) {
3430 s->cycle = 0;
3431 s->on = on;
3432 s->period = period;
3433 omap_lpg_tick(s);
3434 return;
3435 }
3436
3437 s->on = on;
3438 s->period = period;
3439 }
3440
3441 static void omap_lpg_reset(struct omap_lpg_s *s)
3442 {
3443 s->control = 0x00;
3444 s->power = 0x00;
3445 s->clk = 1;
3446 omap_lpg_update(s);
3447 }
3448
3449 static uint32_t omap_lpg_read(void *opaque, target_phys_addr_t addr)
3450 {
3451 struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
3452 int offset = addr & OMAP_MPUI_REG_MASK;
3453
3454 switch (offset) {
3455 case 0x00: /* LCR */
3456 return s->control;
3457
3458 case 0x04: /* PMR */
3459 return s->power;
3460 }
3461
3462 OMAP_BAD_REG(addr);
3463 return 0;
3464 }
3465
3466 static void omap_lpg_write(void *opaque, target_phys_addr_t addr,
3467 uint32_t value)
3468 {
3469 struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
3470 int offset = addr & OMAP_MPUI_REG_MASK;
3471
3472 switch (offset) {
3473 case 0x00: /* LCR */
3474 if (~value & (1 << 6)) /* LPGRES */
3475 omap_lpg_reset(s);
3476 s->control = value & 0xff;
3477 omap_lpg_update(s);
3478 return;
3479
3480 case 0x04: /* PMR */
3481 s->power = value & 0x01;
3482 omap_lpg_update(s);
3483 return;
3484
3485 default:
3486 OMAP_BAD_REG(addr);
3487 return;
3488 }
3489 }
3490
3491 static CPUReadMemoryFunc * const omap_lpg_readfn[] = {
3492 omap_lpg_read,
3493 omap_badwidth_read8,
3494 omap_badwidth_read8,
3495 };
3496
3497 static CPUWriteMemoryFunc * const omap_lpg_writefn[] = {
3498 omap_lpg_write,
3499 omap_badwidth_write8,
3500 omap_badwidth_write8,
3501 };
3502
3503 static void omap_lpg_clk_update(void *opaque, int line, int on)
3504 {
3505 struct omap_lpg_s *s = (struct omap_lpg_s *) opaque;
3506
3507 s->clk = on;
3508 omap_lpg_update(s);
3509 }
3510
3511 static struct omap_lpg_s *omap_lpg_init(target_phys_addr_t base, omap_clk clk)
3512 {
3513 int iomemtype;
3514 struct omap_lpg_s *s = (struct omap_lpg_s *)
3515 qemu_mallocz(sizeof(struct omap_lpg_s));
3516
3517 s->tm = qemu_new_timer(rt_clock, omap_lpg_tick, s);
3518
3519 omap_lpg_reset(s);
3520
3521 iomemtype = cpu_register_io_memory(omap_lpg_readfn,
3522 omap_lpg_writefn, s);
3523 cpu_register_physical_memory(base, 0x800, iomemtype);
3524
3525 omap_clk_adduser(clk, qemu_allocate_irqs(omap_lpg_clk_update, s, 1)[0]);
3526
3527 return s;
3528 }
3529
3530 /* MPUI Peripheral Bridge configuration */
3531 static uint32_t omap_mpui_io_read(void *opaque, target_phys_addr_t addr)
3532 {
3533 if (addr == OMAP_MPUI_BASE) /* CMR */
3534 return 0xfe4d;
3535
3536 OMAP_BAD_REG(addr);
3537 return 0;
3538 }
3539
3540 static CPUReadMemoryFunc * const omap_mpui_io_readfn[] = {
3541 omap_badwidth_read16,
3542 omap_mpui_io_read,
3543 omap_badwidth_read16,
3544 };
3545
3546 static CPUWriteMemoryFunc * const omap_mpui_io_writefn[] = {
3547 omap_badwidth_write16,
3548 omap_badwidth_write16,
3549 omap_badwidth_write16,
3550 };
3551
3552 static void omap_setup_mpui_io(struct omap_mpu_state_s *mpu)
3553 {
3554 int iomemtype = cpu_register_io_memory(omap_mpui_io_readfn,
3555 omap_mpui_io_writefn, mpu);
3556 cpu_register_physical_memory(OMAP_MPUI_BASE, 0x7fff, iomemtype);
3557 }
3558
3559 /* General chip reset */
3560 static void omap1_mpu_reset(void *opaque)
3561 {
3562 struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
3563
3564 omap_inth_reset(mpu->ih[0]);
3565 omap_inth_reset(mpu->ih[1]);
3566 omap_dma_reset(mpu->dma);
3567 omap_mpu_timer_reset(mpu->timer[0]);
3568 omap_mpu_timer_reset(mpu->timer[1]);
3569 omap_mpu_timer_reset(mpu->timer[2]);
3570 omap_wd_timer_reset(mpu->wdt);
3571 omap_os_timer_reset(mpu->os_timer);
3572 omap_lcdc_reset(mpu->lcd);
3573 omap_ulpd_pm_reset(mpu);
3574 omap_pin_cfg_reset(mpu);
3575 omap_mpui_reset(mpu);
3576 omap_tipb_bridge_reset(mpu->private_tipb);
3577 omap_tipb_bridge_reset(mpu->public_tipb);
3578 omap_dpll_reset(&mpu->dpll[0]);
3579 omap_dpll_reset(&mpu->dpll[1]);
3580 omap_dpll_reset(&mpu->dpll[2]);
3581 omap_uart_reset(mpu->uart[0]);
3582 omap_uart_reset(mpu->uart[1]);
3583 omap_uart_reset(mpu->uart[2]);
3584 omap_mmc_reset(mpu->mmc);
3585 omap_mpuio_reset(mpu->mpuio);
3586 omap_gpio_reset(mpu->gpio);
3587 omap_uwire_reset(mpu->microwire);
3588 omap_pwl_reset(mpu);
3589 omap_pwt_reset(mpu);
3590 omap_i2c_reset(mpu->i2c[0]);
3591 omap_rtc_reset(mpu->rtc);
3592 omap_mcbsp_reset(mpu->mcbsp1);
3593 omap_mcbsp_reset(mpu->mcbsp2);
3594 omap_mcbsp_reset(mpu->mcbsp3);
3595 omap_lpg_reset(mpu->led[0]);
3596 omap_lpg_reset(mpu->led[1]);
3597 omap_clkm_reset(mpu);
3598 cpu_reset(mpu->env);
3599 }
3600
3601 static const struct omap_map_s {
3602 target_phys_addr_t phys_dsp;
3603 target_phys_addr_t phys_mpu;
3604 uint32_t size;
3605 const char *name;
3606 } omap15xx_dsp_mm[] = {
3607 /* Strobe 0 */
3608 { 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */
3609 { 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */
3610 { 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */
3611 { 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */
3612 { 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */
3613 { 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */
3614 { 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */
3615 { 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */
3616 { 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */
3617 { 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */
3618 { 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */
3619 { 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */
3620 { 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */
3621 { 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */
3622 { 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */
3623 { 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */
3624 { 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */
3625 /* Strobe 1 */
3626 { 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */
3627
3628 { 0 }
3629 };
3630
3631 static void omap_setup_dsp_mapping(const struct omap_map_s *map)
3632 {
3633 int io;
3634
3635 for (; map->phys_dsp; map ++) {
3636 io = cpu_get_physical_page_desc(map->phys_mpu);
3637
3638 cpu_register_physical_memory(map->phys_dsp, map->size, io);
3639 }
3640 }
3641
3642 void omap_mpu_wakeup(void *opaque, int irq, int req)
3643 {
3644 struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
3645
3646 if (mpu->env->halted)
3647 cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
3648 }
3649
3650 static const struct dma_irq_map omap1_dma_irq_map[] = {
3651 { 0, OMAP_INT_DMA_CH0_6 },
3652 { 0, OMAP_INT_DMA_CH1_7 },
3653 { 0, OMAP_INT_DMA_CH2_8 },
3654 { 0, OMAP_INT_DMA_CH3 },
3655 { 0, OMAP_INT_DMA_CH4 },
3656 { 0, OMAP_INT_DMA_CH5 },
3657 { 1, OMAP_INT_1610_DMA_CH6 },
3658 { 1, OMAP_INT_1610_DMA_CH7 },
3659 { 1, OMAP_INT_1610_DMA_CH8 },
3660 { 1, OMAP_INT_1610_DMA_CH9 },
3661 { 1, OMAP_INT_1610_DMA_CH10 },
3662 { 1, OMAP_INT_1610_DMA_CH11 },
3663 { 1, OMAP_INT_1610_DMA_CH12 },
3664 { 1, OMAP_INT_1610_DMA_CH13 },
3665 { 1, OMAP_INT_1610_DMA_CH14 },
3666 { 1, OMAP_INT_1610_DMA_CH15 }
3667 };
3668
3669 /* DMA ports for OMAP1 */
3670 static int omap_validate_emiff_addr(struct omap_mpu_state_s *s,
3671 target_phys_addr_t addr)
3672 {
3673 return range_covers_byte(OMAP_EMIFF_BASE, s->sdram_size, addr);
3674 }
3675
3676 static int omap_validate_emifs_addr(struct omap_mpu_state_s *s,
3677 target_phys_addr_t addr)
3678 {
3679 return range_covers_byte(OMAP_EMIFS_BASE, OMAP_EMIFF_BASE - OMAP_EMIFS_BASE,
3680 addr);
3681 }
3682
3683 static int omap_validate_imif_addr(struct omap_mpu_state_s *s,
3684 target_phys_addr_t addr)
3685 {
3686 return range_covers_byte(OMAP_IMIF_BASE, s->sram_size, addr);
3687 }
3688
3689 static int omap_validate_tipb_addr(struct omap_mpu_state_s *s,
3690 target_phys_addr_t addr)
3691 {
3692 return range_covers_byte(0xfffb0000, 0xffff0000 - 0xfffb0000, addr);
3693 }
3694
3695 static int omap_validate_local_addr(struct omap_mpu_state_s *s,
3696 target_phys_addr_t addr)
3697 {
3698 return range_covers_byte(OMAP_LOCALBUS_BASE, 0x1000000, addr);
3699 }
3700
3701 static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s,
3702 target_phys_addr_t addr)
3703 {
3704 return range_covers_byte(0xe1010000, 0xe1020004 - 0xe1010000, addr);
3705 }
3706
3707 struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
3708 const char *core)
3709 {
3710 int i;
3711 struct omap_mpu_state_s *s = (struct omap_mpu_state_s *)
3712 qemu_mallocz(sizeof(struct omap_mpu_state_s));
3713 ram_addr_t imif_base, emiff_base;
3714 qemu_irq *cpu_irq;
3715 qemu_irq dma_irqs[6];
3716 DriveInfo *dinfo;
3717
3718 if (!core)
3719 core = "ti925t";
3720
3721 /* Core */
3722 s->mpu_model = omap310;
3723 s->env = cpu_init(core);
3724 if (!s->env) {
3725 fprintf(stderr, "Unable to find CPU definition\n");
3726 exit(1);
3727 }
3728 s->sdram_size = sdram_size;
3729 s->sram_size = OMAP15XX_SRAM_SIZE;
3730
3731 s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0];
3732
3733 /* Clocks */
3734 omap_clk_init(s);
3735
3736 /* Memory-mapped stuff */
3737 cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size,
3738 (emiff_base = qemu_ram_alloc(NULL, "omap1.dram",
3739 s->sdram_size)) | IO_MEM_RAM);
3740 cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size,
3741 (imif_base = qemu_ram_alloc(NULL, "omap1.sram",
3742 s->sram_size)) | IO_MEM_RAM);
3743
3744 omap_clkm_init(0xfffece00, 0xe1008000, s);
3745
3746 cpu_irq = arm_pic_init_cpu(s->env);
3747 s->ih[0] = omap_inth_init(0xfffecb00, 0x100, 1, &s->irq[0],
3748 cpu_irq[ARM_PIC_CPU_IRQ], cpu_irq[ARM_PIC_CPU_FIQ],
3749 omap_findclk(s, "arminth_ck"));
3750 s->ih[1] = omap_inth_init(0xfffe0000, 0x800, 1, &s->irq[1],
3751 omap_inth_get_pin(s->ih[0], OMAP_INT_15XX_IH2_IRQ),
3752 NULL, omap_findclk(s, "arminth_ck"));
3753
3754 for (i = 0; i < 6; i ++)
3755 dma_irqs[i] =
3756 s->irq[omap1_dma_irq_map[i].ih][omap1_dma_irq_map[i].intr];
3757 s->dma = omap_dma_init(0xfffed800, dma_irqs, s->irq[0][OMAP_INT_DMA_LCD],
3758 s, omap_findclk(s, "dma_ck"), omap_dma_3_1);
3759
3760 s->port[emiff ].addr_valid = omap_validate_emiff_addr;
3761 s->port[emifs ].addr_valid = omap_validate_emifs_addr;
3762 s->port[imif ].addr_valid = omap_validate_imif_addr;
3763 s->port[tipb ].addr_valid = omap_validate_tipb_addr;
3764 s->port[local ].addr_valid = omap_validate_local_addr;
3765 s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
3766
3767 /* Register SDRAM and SRAM DMA ports for fast transfers. */
3768 soc_dma_port_add_mem_ram(s->dma,
3769 emiff_base, OMAP_EMIFF_BASE, s->sdram_size);
3770 soc_dma_port_add_mem_ram(s->dma,
3771 imif_base, OMAP_IMIF_BASE, s->sram_size);
3772
3773 s->timer[0] = omap_mpu_timer_init(0xfffec500,
3774 s->irq[0][OMAP_INT_TIMER1],
3775 omap_findclk(s, "mputim_ck"));
3776 s->timer[1] = omap_mpu_timer_init(0xfffec600,
3777 s->irq[0][OMAP_INT_TIMER2],
3778 omap_findclk(s, "mputim_ck"));
3779 s->timer[2] = omap_mpu_timer_init(0xfffec700,
3780 s->irq[0][OMAP_INT_TIMER3],
3781 omap_findclk(s, "mputim_ck"));
3782
3783 s->wdt = omap_wd_timer_init(0xfffec800,
3784 s->irq[0][OMAP_INT_WD_TIMER],
3785 omap_findclk(s, "armwdt_ck"));
3786
3787 s->os_timer = omap_os_timer_init(0xfffb9000,
3788 s->irq[1][OMAP_INT_OS_TIMER],
3789 omap_findclk(s, "clk32-kHz"));
3790
3791 s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL],
3792 omap_dma_get_lcdch(s->dma), imif_base, emiff_base,
3793 omap_findclk(s, "lcd_ck"));
3794
3795 omap_ulpd_pm_init(0xfffe0800, s);
3796 omap_pin_cfg_init(0xfffe1000, s);
3797 omap_id_init(s);
3798
3799 omap_mpui_init(0xfffec900, s);
3800
3801 s->private_tipb = omap_tipb_bridge_init(0xfffeca00,
3802 s->irq[0][OMAP_INT_BRIDGE_PRIV],
3803 omap_findclk(s, "tipb_ck"));
3804 s->public_tipb = omap_tipb_bridge_init(0xfffed300,
3805 s->irq[0][OMAP_INT_BRIDGE_PUB],
3806 omap_findclk(s, "tipb_ck"));
3807
3808 omap_tcmi_init(0xfffecc00, s);
3809
3810 s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1],
3811 omap_findclk(s, "uart1_ck"),
3812 omap_findclk(s, "uart1_ck"),
3813 s->drq[OMAP_DMA_UART1_TX], s->drq[OMAP_DMA_UART1_RX],
3814 "uart1",
3815 serial_hds[0]);
3816 s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2],
3817 omap_findclk(s, "uart2_ck"),
3818 omap_findclk(s, "uart2_ck"),
3819 s->drq[OMAP_DMA_UART2_TX], s->drq[OMAP_DMA_UART2_RX],
3820 "uart2",
3821 serial_hds[0] ? serial_hds[1] : NULL);
3822 s->uart[2] = omap_uart_init(0xfffb9800, s->irq[0][OMAP_INT_UART3],
3823 omap_findclk(s, "uart3_ck"),
3824 omap_findclk(s, "uart3_ck"),
3825 s->drq[OMAP_DMA_UART3_TX], s->drq[OMAP_DMA_UART3_RX],
3826 "uart3",
3827 serial_hds[0] && serial_hds[1] ? serial_hds[2] : NULL);
3828
3829 omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1"));
3830 omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2"));
3831 omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3"));
3832
3833 dinfo = drive_get(IF_SD, 0, 0);
3834 if (!dinfo) {
3835 fprintf(stderr, "qemu: missing SecureDigital device\n");
3836 exit(1);
3837 }
3838 s->mmc = omap_mmc_init(0xfffb7800, dinfo->bdrv,
3839 s->irq[1][OMAP_INT_OQN], &s->drq[OMAP_DMA_MMC_TX],
3840 omap_findclk(s, "mmc_ck"));
3841
3842 s->mpuio = omap_mpuio_init(0xfffb5000,
3843 s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO],
3844 s->wakeup, omap_findclk(s, "clk32-kHz"));
3845
3846 s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1],
3847 omap_findclk(s, "arm_gpio_ck"));
3848
3849 s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX],
3850 s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck"));
3851
3852 omap_pwl_init(0xfffb5800, s, omap_findclk(s, "armxor_ck"));
3853 omap_pwt_init(0xfffb6000, s, omap_findclk(s, "armxor_ck"));
3854
3855 s->i2c[0] = omap_i2c_init(0xfffb3800, s->irq[1][OMAP_INT_I2C],
3856 &s->drq[OMAP_DMA_I2C_RX], omap_findclk(s, "mpuper_ck"));
3857
3858 s->rtc = omap_rtc_init(0xfffb4800, &s->irq[1][OMAP_INT_RTC_TIMER],
3859 omap_findclk(s, "clk32-kHz"));
3860
3861 s->mcbsp1 = omap_mcbsp_init(0xfffb1800, &s->irq[1][OMAP_INT_McBSP1TX],
3862 &s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck"));
3863 s->mcbsp2 = omap_mcbsp_init(0xfffb1000, &s->irq[0][OMAP_INT_310_McBSP2_TX],
3864 &s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck"));
3865 s->mcbsp3 = omap_mcbsp_init(0xfffb7000, &s->irq[1][OMAP_INT_McBSP3TX],
3866 &s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck"));
3867
3868 s->led[0] = omap_lpg_init(0xfffbd000, omap_findclk(s, "clk32-kHz"));
3869 s->led[1] = omap_lpg_init(0xfffbd800, omap_findclk(s, "clk32-kHz"));
3870
3871 /* Register mappings not currenlty implemented:
3872 * MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310)
3873 * MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310)
3874 * USB W2FC fffb4000 - fffb47ff
3875 * Camera Interface fffb6800 - fffb6fff
3876 * USB Host fffba000 - fffba7ff
3877 * FAC fffba800 - fffbafff
3878 * HDQ/1-Wire fffbc000 - fffbc7ff
3879 * TIPB switches fffbc800 - fffbcfff
3880 * Mailbox fffcf000 - fffcf7ff
3881 * Local bus IF fffec100 - fffec1ff
3882 * Local bus MMU fffec200 - fffec2ff
3883 * DSP MMU fffed200 - fffed2ff
3884 */
3885
3886 omap_setup_dsp_mapping(omap15xx_dsp_mm);
3887 omap_setup_mpui_io(s);
3888
3889 qemu_register_reset(omap1_mpu_reset, s);
3890
3891 return s;
3892 }
various patches