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24#include "qemu/osdep.h"
25#include "qapi/error.h"
26#include "qemu-common.h"
27#include "cpu.h"
28#include "hw/hw.h"
29#include "hw/ppc/ppc.h"
30#include "hw/boards.h"
31#include "hw/i2c/ppc4xx_i2c.h"
32#include "ppc405.h"
33#include "hw/char/serial.h"
34#include "qemu/timer.h"
35#include "sysemu/sysemu.h"
36#include "qemu/log.h"
37#include "exec/address-spaces.h"
38
39
40
41
42
43
44
45
46
47
48ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
49 uint32_t flags)
50{
51 CPUState *cs = CPU(ppc_env_get_cpu(env));
52 ram_addr_t bdloc;
53 int i, n;
54
55
56 if (bd->bi_memsize >= 0x01000000UL)
57 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
58 else
59 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
60 stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
61 stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
62 stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
63 stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
64 stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
65 stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
66 stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
67 stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
68 stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
69 for (i = 0; i < 6; i++) {
70 stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
71 }
72 stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
73 stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
74 stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
75 stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
76 for (i = 0; i < 4; i++) {
77 stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
78 }
79 for (i = 0; i < 32; i++) {
80 stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]);
81 }
82 stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq);
83 stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq);
84 for (i = 0; i < 6; i++) {
85 stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
86 }
87 n = 0x6A;
88 if (flags & 0x00000001) {
89 for (i = 0; i < 6; i++)
90 stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]);
91 }
92 stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
93 n += 4;
94 for (i = 0; i < 2; i++) {
95 stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
96 n += 4;
97 }
98
99 return bdloc;
100}
101
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104
105
106
107enum {
108 PLB3A0_ACR = 0x077,
109 PLB4A0_ACR = 0x081,
110 PLB0_BESR = 0x084,
111 PLB0_BEAR = 0x086,
112 PLB0_ACR = 0x087,
113 PLB4A1_ACR = 0x089,
114};
115
116typedef struct ppc4xx_plb_t ppc4xx_plb_t;
117struct ppc4xx_plb_t {
118 uint32_t acr;
119 uint32_t bear;
120 uint32_t besr;
121};
122
123static uint32_t dcr_read_plb (void *opaque, int dcrn)
124{
125 ppc4xx_plb_t *plb;
126 uint32_t ret;
127
128 plb = opaque;
129 switch (dcrn) {
130 case PLB0_ACR:
131 ret = plb->acr;
132 break;
133 case PLB0_BEAR:
134 ret = plb->bear;
135 break;
136 case PLB0_BESR:
137 ret = plb->besr;
138 break;
139 default:
140
141 ret = 0;
142 break;
143 }
144
145 return ret;
146}
147
148static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
149{
150 ppc4xx_plb_t *plb;
151
152 plb = opaque;
153 switch (dcrn) {
154 case PLB0_ACR:
155
156
157
158 plb->acr = val & 0xF8000000;
159 break;
160 case PLB0_BEAR:
161
162 break;
163 case PLB0_BESR:
164
165 plb->besr &= ~val;
166 break;
167 }
168}
169
170static void ppc4xx_plb_reset (void *opaque)
171{
172 ppc4xx_plb_t *plb;
173
174 plb = opaque;
175 plb->acr = 0x00000000;
176 plb->bear = 0x00000000;
177 plb->besr = 0x00000000;
178}
179
180void ppc4xx_plb_init(CPUPPCState *env)
181{
182 ppc4xx_plb_t *plb;
183
184 plb = g_malloc0(sizeof(ppc4xx_plb_t));
185 ppc_dcr_register(env, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
186 ppc_dcr_register(env, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
187 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
188 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
189 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
190 ppc_dcr_register(env, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
191 qemu_register_reset(ppc4xx_plb_reset, plb);
192}
193
194
195
196enum {
197 POB0_BESR0 = 0x0A0,
198 POB0_BESR1 = 0x0A2,
199 POB0_BEAR = 0x0A4,
200};
201
202typedef struct ppc4xx_pob_t ppc4xx_pob_t;
203struct ppc4xx_pob_t {
204 uint32_t bear;
205 uint32_t besr0;
206 uint32_t besr1;
207};
208
209static uint32_t dcr_read_pob (void *opaque, int dcrn)
210{
211 ppc4xx_pob_t *pob;
212 uint32_t ret;
213
214 pob = opaque;
215 switch (dcrn) {
216 case POB0_BEAR:
217 ret = pob->bear;
218 break;
219 case POB0_BESR0:
220 ret = pob->besr0;
221 break;
222 case POB0_BESR1:
223 ret = pob->besr1;
224 break;
225 default:
226
227 ret = 0;
228 break;
229 }
230
231 return ret;
232}
233
234static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
235{
236 ppc4xx_pob_t *pob;
237
238 pob = opaque;
239 switch (dcrn) {
240 case POB0_BEAR:
241
242 break;
243 case POB0_BESR0:
244
245 pob->besr0 &= ~val;
246 break;
247 case POB0_BESR1:
248
249 pob->besr1 &= ~val;
250 break;
251 }
252}
253
254static void ppc4xx_pob_reset (void *opaque)
255{
256 ppc4xx_pob_t *pob;
257
258 pob = opaque;
259
260 pob->bear = 0x00000000;
261 pob->besr0 = 0x0000000;
262 pob->besr1 = 0x0000000;
263}
264
265static void ppc4xx_pob_init(CPUPPCState *env)
266{
267 ppc4xx_pob_t *pob;
268
269 pob = g_malloc0(sizeof(ppc4xx_pob_t));
270 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
271 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
272 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
273 qemu_register_reset(ppc4xx_pob_reset, pob);
274}
275
276
277
278typedef struct ppc4xx_opba_t ppc4xx_opba_t;
279struct ppc4xx_opba_t {
280 MemoryRegion io;
281 uint8_t cr;
282 uint8_t pr;
283};
284
285static uint32_t opba_readb (void *opaque, hwaddr addr)
286{
287 ppc4xx_opba_t *opba;
288 uint32_t ret;
289
290#ifdef DEBUG_OPBA
291 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
292#endif
293 opba = opaque;
294 switch (addr) {
295 case 0x00:
296 ret = opba->cr;
297 break;
298 case 0x01:
299 ret = opba->pr;
300 break;
301 default:
302 ret = 0x00;
303 break;
304 }
305
306 return ret;
307}
308
309static void opba_writeb (void *opaque,
310 hwaddr addr, uint32_t value)
311{
312 ppc4xx_opba_t *opba;
313
314#ifdef DEBUG_OPBA
315 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
316 value);
317#endif
318 opba = opaque;
319 switch (addr) {
320 case 0x00:
321 opba->cr = value & 0xF8;
322 break;
323 case 0x01:
324 opba->pr = value & 0xFF;
325 break;
326 default:
327 break;
328 }
329}
330
331static uint32_t opba_readw (void *opaque, hwaddr addr)
332{
333 uint32_t ret;
334
335#ifdef DEBUG_OPBA
336 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
337#endif
338 ret = opba_readb(opaque, addr) << 8;
339 ret |= opba_readb(opaque, addr + 1);
340
341 return ret;
342}
343
344static void opba_writew (void *opaque,
345 hwaddr addr, uint32_t value)
346{
347#ifdef DEBUG_OPBA
348 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
349 value);
350#endif
351 opba_writeb(opaque, addr, value >> 8);
352 opba_writeb(opaque, addr + 1, value);
353}
354
355static uint32_t opba_readl (void *opaque, hwaddr addr)
356{
357 uint32_t ret;
358
359#ifdef DEBUG_OPBA
360 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
361#endif
362 ret = opba_readb(opaque, addr) << 24;
363 ret |= opba_readb(opaque, addr + 1) << 16;
364
365 return ret;
366}
367
368static void opba_writel (void *opaque,
369 hwaddr addr, uint32_t value)
370{
371#ifdef DEBUG_OPBA
372 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
373 value);
374#endif
375 opba_writeb(opaque, addr, value >> 24);
376 opba_writeb(opaque, addr + 1, value >> 16);
377}
378
379static const MemoryRegionOps opba_ops = {
380 .old_mmio = {
381 .read = { opba_readb, opba_readw, opba_readl, },
382 .write = { opba_writeb, opba_writew, opba_writel, },
383 },
384 .endianness = DEVICE_NATIVE_ENDIAN,
385};
386
387static void ppc4xx_opba_reset (void *opaque)
388{
389 ppc4xx_opba_t *opba;
390
391 opba = opaque;
392 opba->cr = 0x00;
393 opba->pr = 0x11;
394}
395
396static void ppc4xx_opba_init(hwaddr base)
397{
398 ppc4xx_opba_t *opba;
399
400 opba = g_malloc0(sizeof(ppc4xx_opba_t));
401#ifdef DEBUG_OPBA
402 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
403#endif
404 memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002);
405 memory_region_add_subregion(get_system_memory(), base, &opba->io);
406 qemu_register_reset(ppc4xx_opba_reset, opba);
407}
408
409
410
411
412
413
414
415typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
416struct ppc4xx_ebc_t {
417 uint32_t addr;
418 uint32_t bcr[8];
419 uint32_t bap[8];
420 uint32_t bear;
421 uint32_t besr0;
422 uint32_t besr1;
423 uint32_t cfg;
424};
425
426enum {
427 EBC0_CFGADDR = 0x012,
428 EBC0_CFGDATA = 0x013,
429};
430
431static uint32_t dcr_read_ebc (void *opaque, int dcrn)
432{
433 ppc4xx_ebc_t *ebc;
434 uint32_t ret;
435
436 ebc = opaque;
437 switch (dcrn) {
438 case EBC0_CFGADDR:
439 ret = ebc->addr;
440 break;
441 case EBC0_CFGDATA:
442 switch (ebc->addr) {
443 case 0x00:
444 ret = ebc->bcr[0];
445 break;
446 case 0x01:
447 ret = ebc->bcr[1];
448 break;
449 case 0x02:
450 ret = ebc->bcr[2];
451 break;
452 case 0x03:
453 ret = ebc->bcr[3];
454 break;
455 case 0x04:
456 ret = ebc->bcr[4];
457 break;
458 case 0x05:
459 ret = ebc->bcr[5];
460 break;
461 case 0x06:
462 ret = ebc->bcr[6];
463 break;
464 case 0x07:
465 ret = ebc->bcr[7];
466 break;
467 case 0x10:
468 ret = ebc->bap[0];
469 break;
470 case 0x11:
471 ret = ebc->bap[1];
472 break;
473 case 0x12:
474 ret = ebc->bap[2];
475 break;
476 case 0x13:
477 ret = ebc->bap[3];
478 break;
479 case 0x14:
480 ret = ebc->bap[4];
481 break;
482 case 0x15:
483 ret = ebc->bap[5];
484 break;
485 case 0x16:
486 ret = ebc->bap[6];
487 break;
488 case 0x17:
489 ret = ebc->bap[7];
490 break;
491 case 0x20:
492 ret = ebc->bear;
493 break;
494 case 0x21:
495 ret = ebc->besr0;
496 break;
497 case 0x22:
498 ret = ebc->besr1;
499 break;
500 case 0x23:
501 ret = ebc->cfg;
502 break;
503 default:
504 ret = 0x00000000;
505 break;
506 }
507 break;
508 default:
509 ret = 0x00000000;
510 break;
511 }
512
513 return ret;
514}
515
516static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
517{
518 ppc4xx_ebc_t *ebc;
519
520 ebc = opaque;
521 switch (dcrn) {
522 case EBC0_CFGADDR:
523 ebc->addr = val;
524 break;
525 case EBC0_CFGDATA:
526 switch (ebc->addr) {
527 case 0x00:
528 break;
529 case 0x01:
530 break;
531 case 0x02:
532 break;
533 case 0x03:
534 break;
535 case 0x04:
536 break;
537 case 0x05:
538 break;
539 case 0x06:
540 break;
541 case 0x07:
542 break;
543 case 0x10:
544 break;
545 case 0x11:
546 break;
547 case 0x12:
548 break;
549 case 0x13:
550 break;
551 case 0x14:
552 break;
553 case 0x15:
554 break;
555 case 0x16:
556 break;
557 case 0x17:
558 break;
559 case 0x20:
560 break;
561 case 0x21:
562 break;
563 case 0x22:
564 break;
565 case 0x23:
566 break;
567 default:
568 break;
569 }
570 break;
571 default:
572 break;
573 }
574}
575
576static void ebc_reset (void *opaque)
577{
578 ppc4xx_ebc_t *ebc;
579 int i;
580
581 ebc = opaque;
582 ebc->addr = 0x00000000;
583 ebc->bap[0] = 0x7F8FFE80;
584 ebc->bcr[0] = 0xFFE28000;
585 for (i = 0; i < 8; i++) {
586 ebc->bap[i] = 0x00000000;
587 ebc->bcr[i] = 0x00000000;
588 }
589 ebc->besr0 = 0x00000000;
590 ebc->besr1 = 0x00000000;
591 ebc->cfg = 0x80400000;
592}
593
594void ppc405_ebc_init(CPUPPCState *env)
595{
596 ppc4xx_ebc_t *ebc;
597
598 ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
599 qemu_register_reset(&ebc_reset, ebc);
600 ppc_dcr_register(env, EBC0_CFGADDR,
601 ebc, &dcr_read_ebc, &dcr_write_ebc);
602 ppc_dcr_register(env, EBC0_CFGDATA,
603 ebc, &dcr_read_ebc, &dcr_write_ebc);
604}
605
606
607
608enum {
609 DMA0_CR0 = 0x100,
610 DMA0_CT0 = 0x101,
611 DMA0_DA0 = 0x102,
612 DMA0_SA0 = 0x103,
613 DMA0_SG0 = 0x104,
614 DMA0_CR1 = 0x108,
615 DMA0_CT1 = 0x109,
616 DMA0_DA1 = 0x10A,
617 DMA0_SA1 = 0x10B,
618 DMA0_SG1 = 0x10C,
619 DMA0_CR2 = 0x110,
620 DMA0_CT2 = 0x111,
621 DMA0_DA2 = 0x112,
622 DMA0_SA2 = 0x113,
623 DMA0_SG2 = 0x114,
624 DMA0_CR3 = 0x118,
625 DMA0_CT3 = 0x119,
626 DMA0_DA3 = 0x11A,
627 DMA0_SA3 = 0x11B,
628 DMA0_SG3 = 0x11C,
629 DMA0_SR = 0x120,
630 DMA0_SGC = 0x123,
631 DMA0_SLP = 0x125,
632 DMA0_POL = 0x126,
633};
634
635typedef struct ppc405_dma_t ppc405_dma_t;
636struct ppc405_dma_t {
637 qemu_irq irqs[4];
638 uint32_t cr[4];
639 uint32_t ct[4];
640 uint32_t da[4];
641 uint32_t sa[4];
642 uint32_t sg[4];
643 uint32_t sr;
644 uint32_t sgc;
645 uint32_t slp;
646 uint32_t pol;
647};
648
649static uint32_t dcr_read_dma (void *opaque, int dcrn)
650{
651 return 0;
652}
653
654static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
655{
656}
657
658static void ppc405_dma_reset (void *opaque)
659{
660 ppc405_dma_t *dma;
661 int i;
662
663 dma = opaque;
664 for (i = 0; i < 4; i++) {
665 dma->cr[i] = 0x00000000;
666 dma->ct[i] = 0x00000000;
667 dma->da[i] = 0x00000000;
668 dma->sa[i] = 0x00000000;
669 dma->sg[i] = 0x00000000;
670 }
671 dma->sr = 0x00000000;
672 dma->sgc = 0x00000000;
673 dma->slp = 0x7C000000;
674 dma->pol = 0x00000000;
675}
676
677static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
678{
679 ppc405_dma_t *dma;
680
681 dma = g_malloc0(sizeof(ppc405_dma_t));
682 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
683 qemu_register_reset(&ppc405_dma_reset, dma);
684 ppc_dcr_register(env, DMA0_CR0,
685 dma, &dcr_read_dma, &dcr_write_dma);
686 ppc_dcr_register(env, DMA0_CT0,
687 dma, &dcr_read_dma, &dcr_write_dma);
688 ppc_dcr_register(env, DMA0_DA0,
689 dma, &dcr_read_dma, &dcr_write_dma);
690 ppc_dcr_register(env, DMA0_SA0,
691 dma, &dcr_read_dma, &dcr_write_dma);
692 ppc_dcr_register(env, DMA0_SG0,
693 dma, &dcr_read_dma, &dcr_write_dma);
694 ppc_dcr_register(env, DMA0_CR1,
695 dma, &dcr_read_dma, &dcr_write_dma);
696 ppc_dcr_register(env, DMA0_CT1,
697 dma, &dcr_read_dma, &dcr_write_dma);
698 ppc_dcr_register(env, DMA0_DA1,
699 dma, &dcr_read_dma, &dcr_write_dma);
700 ppc_dcr_register(env, DMA0_SA1,
701 dma, &dcr_read_dma, &dcr_write_dma);
702 ppc_dcr_register(env, DMA0_SG1,
703 dma, &dcr_read_dma, &dcr_write_dma);
704 ppc_dcr_register(env, DMA0_CR2,
705 dma, &dcr_read_dma, &dcr_write_dma);
706 ppc_dcr_register(env, DMA0_CT2,
707 dma, &dcr_read_dma, &dcr_write_dma);
708 ppc_dcr_register(env, DMA0_DA2,
709 dma, &dcr_read_dma, &dcr_write_dma);
710 ppc_dcr_register(env, DMA0_SA2,
711 dma, &dcr_read_dma, &dcr_write_dma);
712 ppc_dcr_register(env, DMA0_SG2,
713 dma, &dcr_read_dma, &dcr_write_dma);
714 ppc_dcr_register(env, DMA0_CR3,
715 dma, &dcr_read_dma, &dcr_write_dma);
716 ppc_dcr_register(env, DMA0_CT3,
717 dma, &dcr_read_dma, &dcr_write_dma);
718 ppc_dcr_register(env, DMA0_DA3,
719 dma, &dcr_read_dma, &dcr_write_dma);
720 ppc_dcr_register(env, DMA0_SA3,
721 dma, &dcr_read_dma, &dcr_write_dma);
722 ppc_dcr_register(env, DMA0_SG3,
723 dma, &dcr_read_dma, &dcr_write_dma);
724 ppc_dcr_register(env, DMA0_SR,
725 dma, &dcr_read_dma, &dcr_write_dma);
726 ppc_dcr_register(env, DMA0_SGC,
727 dma, &dcr_read_dma, &dcr_write_dma);
728 ppc_dcr_register(env, DMA0_SLP,
729 dma, &dcr_read_dma, &dcr_write_dma);
730 ppc_dcr_register(env, DMA0_POL,
731 dma, &dcr_read_dma, &dcr_write_dma);
732}
733
734
735
736typedef struct ppc405_gpio_t ppc405_gpio_t;
737struct ppc405_gpio_t {
738 MemoryRegion io;
739 uint32_t or;
740 uint32_t tcr;
741 uint32_t osrh;
742 uint32_t osrl;
743 uint32_t tsrh;
744 uint32_t tsrl;
745 uint32_t odr;
746 uint32_t ir;
747 uint32_t rr1;
748 uint32_t isr1h;
749 uint32_t isr1l;
750};
751
752static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
753{
754#ifdef DEBUG_GPIO
755 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
756#endif
757
758 return 0;
759}
760
761static void ppc405_gpio_writeb (void *opaque,
762 hwaddr addr, uint32_t value)
763{
764#ifdef DEBUG_GPIO
765 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
766 value);
767#endif
768}
769
770static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
771{
772#ifdef DEBUG_GPIO
773 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
774#endif
775
776 return 0;
777}
778
779static void ppc405_gpio_writew (void *opaque,
780 hwaddr addr, uint32_t value)
781{
782#ifdef DEBUG_GPIO
783 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
784 value);
785#endif
786}
787
788static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
789{
790#ifdef DEBUG_GPIO
791 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
792#endif
793
794 return 0;
795}
796
797static void ppc405_gpio_writel (void *opaque,
798 hwaddr addr, uint32_t value)
799{
800#ifdef DEBUG_GPIO
801 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
802 value);
803#endif
804}
805
806static const MemoryRegionOps ppc405_gpio_ops = {
807 .old_mmio = {
808 .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
809 .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
810 },
811 .endianness = DEVICE_NATIVE_ENDIAN,
812};
813
814static void ppc405_gpio_reset (void *opaque)
815{
816}
817
818static void ppc405_gpio_init(hwaddr base)
819{
820 ppc405_gpio_t *gpio;
821
822 gpio = g_malloc0(sizeof(ppc405_gpio_t));
823#ifdef DEBUG_GPIO
824 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
825#endif
826 memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038);
827 memory_region_add_subregion(get_system_memory(), base, &gpio->io);
828 qemu_register_reset(&ppc405_gpio_reset, gpio);
829}
830
831
832
833enum {
834 OCM0_ISARC = 0x018,
835 OCM0_ISACNTL = 0x019,
836 OCM0_DSARC = 0x01A,
837 OCM0_DSACNTL = 0x01B,
838};
839
840typedef struct ppc405_ocm_t ppc405_ocm_t;
841struct ppc405_ocm_t {
842 MemoryRegion ram;
843 MemoryRegion isarc_ram;
844 MemoryRegion dsarc_ram;
845 uint32_t isarc;
846 uint32_t isacntl;
847 uint32_t dsarc;
848 uint32_t dsacntl;
849};
850
851static void ocm_update_mappings (ppc405_ocm_t *ocm,
852 uint32_t isarc, uint32_t isacntl,
853 uint32_t dsarc, uint32_t dsacntl)
854{
855#ifdef DEBUG_OCM
856 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
857 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
858 " (%08" PRIx32 " %08" PRIx32 ")\n",
859 isarc, isacntl, dsarc, dsacntl,
860 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
861#endif
862 if (ocm->isarc != isarc ||
863 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
864 if (ocm->isacntl & 0x80000000) {
865
866 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
867 memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
868 }
869 if (isacntl & 0x80000000) {
870
871#ifdef DEBUG_OCM
872 printf("OCM map ISA %08" PRIx32 "\n", isarc);
873#endif
874 memory_region_add_subregion(get_system_memory(), isarc,
875 &ocm->isarc_ram);
876 }
877 }
878 if (ocm->dsarc != dsarc ||
879 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
880 if (ocm->dsacntl & 0x80000000) {
881
882 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
883
884#ifdef DEBUG_OCM
885 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
886#endif
887 memory_region_del_subregion(get_system_memory(),
888 &ocm->dsarc_ram);
889 }
890 }
891 if (dsacntl & 0x80000000) {
892
893 if (!(isacntl & 0x80000000) || dsarc != isarc) {
894
895#ifdef DEBUG_OCM
896 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
897#endif
898 memory_region_add_subregion(get_system_memory(), dsarc,
899 &ocm->dsarc_ram);
900 }
901 }
902 }
903}
904
905static uint32_t dcr_read_ocm (void *opaque, int dcrn)
906{
907 ppc405_ocm_t *ocm;
908 uint32_t ret;
909
910 ocm = opaque;
911 switch (dcrn) {
912 case OCM0_ISARC:
913 ret = ocm->isarc;
914 break;
915 case OCM0_ISACNTL:
916 ret = ocm->isacntl;
917 break;
918 case OCM0_DSARC:
919 ret = ocm->dsarc;
920 break;
921 case OCM0_DSACNTL:
922 ret = ocm->dsacntl;
923 break;
924 default:
925 ret = 0;
926 break;
927 }
928
929 return ret;
930}
931
932static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
933{
934 ppc405_ocm_t *ocm;
935 uint32_t isarc, dsarc, isacntl, dsacntl;
936
937 ocm = opaque;
938 isarc = ocm->isarc;
939 dsarc = ocm->dsarc;
940 isacntl = ocm->isacntl;
941 dsacntl = ocm->dsacntl;
942 switch (dcrn) {
943 case OCM0_ISARC:
944 isarc = val & 0xFC000000;
945 break;
946 case OCM0_ISACNTL:
947 isacntl = val & 0xC0000000;
948 break;
949 case OCM0_DSARC:
950 isarc = val & 0xFC000000;
951 break;
952 case OCM0_DSACNTL:
953 isacntl = val & 0xC0000000;
954 break;
955 }
956 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
957 ocm->isarc = isarc;
958 ocm->dsarc = dsarc;
959 ocm->isacntl = isacntl;
960 ocm->dsacntl = dsacntl;
961}
962
963static void ocm_reset (void *opaque)
964{
965 ppc405_ocm_t *ocm;
966 uint32_t isarc, dsarc, isacntl, dsacntl;
967
968 ocm = opaque;
969 isarc = 0x00000000;
970 isacntl = 0x00000000;
971 dsarc = 0x00000000;
972 dsacntl = 0x00000000;
973 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
974 ocm->isarc = isarc;
975 ocm->dsarc = dsarc;
976 ocm->isacntl = isacntl;
977 ocm->dsacntl = dsacntl;
978}
979
980static void ppc405_ocm_init(CPUPPCState *env)
981{
982 ppc405_ocm_t *ocm;
983
984 ocm = g_malloc0(sizeof(ppc405_ocm_t));
985
986 memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096,
987 &error_fatal);
988 memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", &ocm->isarc_ram,
989 0, 4096);
990 qemu_register_reset(&ocm_reset, ocm);
991 ppc_dcr_register(env, OCM0_ISARC,
992 ocm, &dcr_read_ocm, &dcr_write_ocm);
993 ppc_dcr_register(env, OCM0_ISACNTL,
994 ocm, &dcr_read_ocm, &dcr_write_ocm);
995 ppc_dcr_register(env, OCM0_DSARC,
996 ocm, &dcr_read_ocm, &dcr_write_ocm);
997 ppc_dcr_register(env, OCM0_DSACNTL,
998 ocm, &dcr_read_ocm, &dcr_write_ocm);
999}
1000
1001
1002
1003typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1004struct ppc4xx_gpt_t {
1005 MemoryRegion iomem;
1006 int64_t tb_offset;
1007 uint32_t tb_freq;
1008 QEMUTimer *timer;
1009 qemu_irq irqs[5];
1010 uint32_t oe;
1011 uint32_t ol;
1012 uint32_t im;
1013 uint32_t is;
1014 uint32_t ie;
1015 uint32_t comp[5];
1016 uint32_t mask[5];
1017};
1018
1019static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
1020{
1021#ifdef DEBUG_GPT
1022 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1023#endif
1024
1025 return -1;
1026}
1027
1028static void ppc4xx_gpt_writeb (void *opaque,
1029 hwaddr addr, uint32_t value)
1030{
1031#ifdef DEBUG_I2C
1032 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1033 value);
1034#endif
1035
1036}
1037
1038static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
1039{
1040#ifdef DEBUG_GPT
1041 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1042#endif
1043
1044 return -1;
1045}
1046
1047static void ppc4xx_gpt_writew (void *opaque,
1048 hwaddr addr, uint32_t value)
1049{
1050#ifdef DEBUG_I2C
1051 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1052 value);
1053#endif
1054
1055}
1056
1057static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1058{
1059
1060 return 0;
1061}
1062
1063static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1064{
1065
1066}
1067
1068static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1069{
1070 uint32_t mask;
1071 int i;
1072
1073 mask = 0x80000000;
1074 for (i = 0; i < 5; i++) {
1075 if (gpt->oe & mask) {
1076
1077 if (ppc4xx_gpt_compare(gpt, i)) {
1078
1079 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1080 } else {
1081
1082 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1083 }
1084 }
1085 mask = mask >> 1;
1086 }
1087}
1088
1089static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1090{
1091 uint32_t mask;
1092 int i;
1093
1094 mask = 0x00008000;
1095 for (i = 0; i < 5; i++) {
1096 if (gpt->is & gpt->im & mask)
1097 qemu_irq_raise(gpt->irqs[i]);
1098 else
1099 qemu_irq_lower(gpt->irqs[i]);
1100 mask = mask >> 1;
1101 }
1102}
1103
1104static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1105{
1106
1107}
1108
1109static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
1110{
1111 ppc4xx_gpt_t *gpt;
1112 uint32_t ret;
1113 int idx;
1114
1115#ifdef DEBUG_GPT
1116 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1117#endif
1118 gpt = opaque;
1119 switch (addr) {
1120 case 0x00:
1121
1122 ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
1123 gpt->tb_freq, NANOSECONDS_PER_SECOND);
1124 break;
1125 case 0x10:
1126
1127 ret = gpt->oe;
1128 break;
1129 case 0x14:
1130
1131 ret = gpt->ol;
1132 break;
1133 case 0x18:
1134
1135 ret = gpt->im;
1136 break;
1137 case 0x1C:
1138 case 0x20:
1139
1140 ret = gpt->is;
1141 break;
1142 case 0x24:
1143
1144 ret = gpt->ie;
1145 break;
1146 case 0x80 ... 0x90:
1147
1148 idx = (addr - 0x80) >> 2;
1149 ret = gpt->comp[idx];
1150 break;
1151 case 0xC0 ... 0xD0:
1152
1153 idx = (addr - 0xC0) >> 2;
1154 ret = gpt->mask[idx];
1155 break;
1156 default:
1157 ret = -1;
1158 break;
1159 }
1160
1161 return ret;
1162}
1163
1164static void ppc4xx_gpt_writel (void *opaque,
1165 hwaddr addr, uint32_t value)
1166{
1167 ppc4xx_gpt_t *gpt;
1168 int idx;
1169
1170#ifdef DEBUG_I2C
1171 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1172 value);
1173#endif
1174 gpt = opaque;
1175 switch (addr) {
1176 case 0x00:
1177
1178 gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
1179 - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1180 ppc4xx_gpt_compute_timer(gpt);
1181 break;
1182 case 0x10:
1183
1184 gpt->oe = value & 0xF8000000;
1185 ppc4xx_gpt_set_outputs(gpt);
1186 break;
1187 case 0x14:
1188
1189 gpt->ol = value & 0xF8000000;
1190 ppc4xx_gpt_set_outputs(gpt);
1191 break;
1192 case 0x18:
1193
1194 gpt->im = value & 0x0000F800;
1195 break;
1196 case 0x1C:
1197
1198 gpt->is |= value & 0x0000F800;
1199 ppc4xx_gpt_set_irqs(gpt);
1200 break;
1201 case 0x20:
1202
1203 gpt->is &= ~(value & 0x0000F800);
1204 ppc4xx_gpt_set_irqs(gpt);
1205 break;
1206 case 0x24:
1207
1208 gpt->ie = value & 0x0000F800;
1209 ppc4xx_gpt_set_irqs(gpt);
1210 break;
1211 case 0x80 ... 0x90:
1212
1213 idx = (addr - 0x80) >> 2;
1214 gpt->comp[idx] = value & 0xF8000000;
1215 ppc4xx_gpt_compute_timer(gpt);
1216 break;
1217 case 0xC0 ... 0xD0:
1218
1219 idx = (addr - 0xC0) >> 2;
1220 gpt->mask[idx] = value & 0xF8000000;
1221 ppc4xx_gpt_compute_timer(gpt);
1222 break;
1223 }
1224}
1225
1226static const MemoryRegionOps gpt_ops = {
1227 .old_mmio = {
1228 .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
1229 .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
1230 },
1231 .endianness = DEVICE_NATIVE_ENDIAN,
1232};
1233
1234static void ppc4xx_gpt_cb (void *opaque)
1235{
1236 ppc4xx_gpt_t *gpt;
1237
1238 gpt = opaque;
1239 ppc4xx_gpt_set_irqs(gpt);
1240 ppc4xx_gpt_set_outputs(gpt);
1241 ppc4xx_gpt_compute_timer(gpt);
1242}
1243
1244static void ppc4xx_gpt_reset (void *opaque)
1245{
1246 ppc4xx_gpt_t *gpt;
1247 int i;
1248
1249 gpt = opaque;
1250 timer_del(gpt->timer);
1251 gpt->oe = 0x00000000;
1252 gpt->ol = 0x00000000;
1253 gpt->im = 0x00000000;
1254 gpt->is = 0x00000000;
1255 gpt->ie = 0x00000000;
1256 for (i = 0; i < 5; i++) {
1257 gpt->comp[i] = 0x00000000;
1258 gpt->mask[i] = 0x00000000;
1259 }
1260}
1261
1262static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1263{
1264 ppc4xx_gpt_t *gpt;
1265 int i;
1266
1267 gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1268 for (i = 0; i < 5; i++) {
1269 gpt->irqs[i] = irqs[i];
1270 }
1271 gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt);
1272#ifdef DEBUG_GPT
1273 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1274#endif
1275 memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4);
1276 memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1277 qemu_register_reset(ppc4xx_gpt_reset, gpt);
1278}
1279
1280
1281
1282void ppc40x_core_reset(PowerPCCPU *cpu)
1283{
1284 CPUPPCState *env = &cpu->env;
1285 target_ulong dbsr;
1286
1287 printf("Reset PowerPC core\n");
1288 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1289 dbsr = env->spr[SPR_40x_DBSR];
1290 dbsr &= ~0x00000300;
1291 dbsr |= 0x00000100;
1292 env->spr[SPR_40x_DBSR] = dbsr;
1293}
1294
1295void ppc40x_chip_reset(PowerPCCPU *cpu)
1296{
1297 CPUPPCState *env = &cpu->env;
1298 target_ulong dbsr;
1299
1300 printf("Reset PowerPC chip\n");
1301 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1302
1303 dbsr = env->spr[SPR_40x_DBSR];
1304 dbsr &= ~0x00000300;
1305 dbsr |= 0x00000200;
1306 env->spr[SPR_40x_DBSR] = dbsr;
1307}
1308
1309void ppc40x_system_reset(PowerPCCPU *cpu)
1310{
1311 printf("Reset PowerPC system\n");
1312 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
1313}
1314
1315void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
1316{
1317 PowerPCCPU *cpu = ppc_env_get_cpu(env);
1318
1319 switch ((val >> 28) & 0x3) {
1320 case 0x0:
1321
1322 break;
1323 case 0x1:
1324
1325 ppc40x_core_reset(cpu);
1326 break;
1327 case 0x2:
1328
1329 ppc40x_chip_reset(cpu);
1330 break;
1331 case 0x3:
1332
1333 ppc40x_system_reset(cpu);
1334 break;
1335 }
1336}
1337
1338
1339
1340enum {
1341 PPC405CR_CPC0_PLLMR = 0x0B0,
1342 PPC405CR_CPC0_CR0 = 0x0B1,
1343 PPC405CR_CPC0_CR1 = 0x0B2,
1344 PPC405CR_CPC0_PSR = 0x0B4,
1345 PPC405CR_CPC0_JTAGID = 0x0B5,
1346 PPC405CR_CPC0_ER = 0x0B9,
1347 PPC405CR_CPC0_FR = 0x0BA,
1348 PPC405CR_CPC0_SR = 0x0BB,
1349};
1350
1351enum {
1352 PPC405CR_CPU_CLK = 0,
1353 PPC405CR_TMR_CLK = 1,
1354 PPC405CR_PLB_CLK = 2,
1355 PPC405CR_SDRAM_CLK = 3,
1356 PPC405CR_OPB_CLK = 4,
1357 PPC405CR_EXT_CLK = 5,
1358 PPC405CR_UART_CLK = 6,
1359 PPC405CR_CLK_NB = 7,
1360};
1361
1362typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1363struct ppc405cr_cpc_t {
1364 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1365 uint32_t sysclk;
1366 uint32_t psr;
1367 uint32_t cr0;
1368 uint32_t cr1;
1369 uint32_t jtagid;
1370 uint32_t pllmr;
1371 uint32_t er;
1372 uint32_t fr;
1373};
1374
1375static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1376{
1377 uint64_t VCO_out, PLL_out;
1378 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1379 int M, D0, D1, D2;
1380
1381 D0 = ((cpc->pllmr >> 26) & 0x3) + 1;
1382 if (cpc->pllmr & 0x80000000) {
1383 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1;
1384 D2 = 8 - ((cpc->pllmr >> 16) & 0x7);
1385 M = D0 * D1 * D2;
1386 VCO_out = (uint64_t)cpc->sysclk * M;
1387 if (VCO_out < 400000000 || VCO_out > 800000000) {
1388
1389 cpc->pllmr &= ~0x80000000;
1390 goto bypass_pll;
1391 }
1392 PLL_out = VCO_out / D2;
1393 } else {
1394
1395 bypass_pll:
1396 M = D0;
1397 PLL_out = (uint64_t)cpc->sysclk * M;
1398 }
1399 CPU_clk = PLL_out;
1400 if (cpc->cr1 & 0x00800000)
1401 TMR_clk = cpc->sysclk;
1402 else
1403 TMR_clk = CPU_clk;
1404 PLB_clk = CPU_clk / D0;
1405 SDRAM_clk = PLB_clk;
1406 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1407 OPB_clk = PLB_clk / D0;
1408 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1409 EXT_clk = PLB_clk / D0;
1410 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1411 UART_clk = CPU_clk / D0;
1412
1413 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1414
1415 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1416
1417 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1418
1419 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1420
1421 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1422
1423 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1424
1425 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1426}
1427
1428static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1429{
1430 ppc405cr_cpc_t *cpc;
1431 uint32_t ret;
1432
1433 cpc = opaque;
1434 switch (dcrn) {
1435 case PPC405CR_CPC0_PLLMR:
1436 ret = cpc->pllmr;
1437 break;
1438 case PPC405CR_CPC0_CR0:
1439 ret = cpc->cr0;
1440 break;
1441 case PPC405CR_CPC0_CR1:
1442 ret = cpc->cr1;
1443 break;
1444 case PPC405CR_CPC0_PSR:
1445 ret = cpc->psr;
1446 break;
1447 case PPC405CR_CPC0_JTAGID:
1448 ret = cpc->jtagid;
1449 break;
1450 case PPC405CR_CPC0_ER:
1451 ret = cpc->er;
1452 break;
1453 case PPC405CR_CPC0_FR:
1454 ret = cpc->fr;
1455 break;
1456 case PPC405CR_CPC0_SR:
1457 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1458 break;
1459 default:
1460
1461 ret = 0;
1462 break;
1463 }
1464
1465 return ret;
1466}
1467
1468static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1469{
1470 ppc405cr_cpc_t *cpc;
1471
1472 cpc = opaque;
1473 switch (dcrn) {
1474 case PPC405CR_CPC0_PLLMR:
1475 cpc->pllmr = val & 0xFFF77C3F;
1476 break;
1477 case PPC405CR_CPC0_CR0:
1478 cpc->cr0 = val & 0x0FFFFFFE;
1479 break;
1480 case PPC405CR_CPC0_CR1:
1481 cpc->cr1 = val & 0x00800000;
1482 break;
1483 case PPC405CR_CPC0_PSR:
1484
1485 break;
1486 case PPC405CR_CPC0_JTAGID:
1487
1488 break;
1489 case PPC405CR_CPC0_ER:
1490 cpc->er = val & 0xBFFC0000;
1491 break;
1492 case PPC405CR_CPC0_FR:
1493 cpc->fr = val & 0xBFFC0000;
1494 break;
1495 case PPC405CR_CPC0_SR:
1496
1497 break;
1498 }
1499}
1500
1501static void ppc405cr_cpc_reset (void *opaque)
1502{
1503 ppc405cr_cpc_t *cpc;
1504 int D;
1505
1506 cpc = opaque;
1507
1508 cpc->pllmr = 0x80000000;
1509
1510 switch ((cpc->psr >> 30) & 3) {
1511 case 0:
1512
1513 cpc->pllmr &= ~0x80000000;
1514 break;
1515 case 1:
1516
1517 cpc->pllmr |= 5 << 16;
1518 break;
1519 case 2:
1520
1521 cpc->pllmr |= 4 << 16;
1522 break;
1523 case 3:
1524
1525 cpc->pllmr |= 2 << 16;
1526 break;
1527 }
1528
1529 D = (cpc->psr >> 28) & 3;
1530 cpc->pllmr |= (D + 1) << 20;
1531
1532 D = (cpc->psr >> 25) & 7;
1533 switch (D) {
1534 case 0x2:
1535 cpc->pllmr |= 0x13;
1536 break;
1537 case 0x4:
1538 cpc->pllmr |= 0x15;
1539 break;
1540 case 0x5:
1541 cpc->pllmr |= 0x16;
1542 break;
1543 default:
1544 break;
1545 }
1546
1547 D = (cpc->psr >> 23) & 3;
1548 cpc->pllmr |= D << 26;
1549
1550 D = (cpc->psr >> 21) & 3;
1551 cpc->pllmr |= D << 10;
1552
1553 D = (cpc->psr >> 17) & 3;
1554 cpc->pllmr |= D << 24;
1555 cpc->cr0 = 0x0000003C;
1556 cpc->cr1 = 0x2B0D8800;
1557 cpc->er = 0x00000000;
1558 cpc->fr = 0x00000000;
1559 ppc405cr_clk_setup(cpc);
1560}
1561
1562static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
1563{
1564 int D;
1565
1566
1567 cpc->psr = 0x00000000;
1568
1569 D = 0x2;
1570 cpc->psr |= D << 30;
1571
1572 D = 0x1;
1573 cpc->psr |= D << 28;
1574
1575 D = 0x1;
1576 cpc->psr |= D << 23;
1577
1578 D = 0x5;
1579 cpc->psr |= D << 25;
1580
1581 D = 0x1;
1582 cpc->psr |= D << 21;
1583
1584 D = 0x2;
1585 cpc->psr |= D << 17;
1586}
1587
1588static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
1589 uint32_t sysclk)
1590{
1591 ppc405cr_cpc_t *cpc;
1592
1593 cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
1594 memcpy(cpc->clk_setup, clk_setup,
1595 PPC405CR_CLK_NB * sizeof(clk_setup_t));
1596 cpc->sysclk = sysclk;
1597 cpc->jtagid = 0x42051049;
1598 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
1599 &dcr_read_crcpc, &dcr_write_crcpc);
1600 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
1601 &dcr_read_crcpc, &dcr_write_crcpc);
1602 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
1603 &dcr_read_crcpc, &dcr_write_crcpc);
1604 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
1605 &dcr_read_crcpc, &dcr_write_crcpc);
1606 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
1607 &dcr_read_crcpc, &dcr_write_crcpc);
1608 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
1609 &dcr_read_crcpc, &dcr_write_crcpc);
1610 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
1611 &dcr_read_crcpc, &dcr_write_crcpc);
1612 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
1613 &dcr_read_crcpc, &dcr_write_crcpc);
1614 ppc405cr_clk_init(cpc);
1615 qemu_register_reset(ppc405cr_cpc_reset, cpc);
1616}
1617
1618CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
1619 MemoryRegion ram_memories[4],
1620 hwaddr ram_bases[4],
1621 hwaddr ram_sizes[4],
1622 uint32_t sysclk, qemu_irq **picp,
1623 int do_init)
1624{
1625 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1626 qemu_irq dma_irqs[4];
1627 PowerPCCPU *cpu;
1628 CPUPPCState *env;
1629 qemu_irq *pic, *irqs;
1630
1631 memset(clk_setup, 0, sizeof(clk_setup));
1632 cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405crc"),
1633 &clk_setup[PPC405CR_CPU_CLK],
1634 &clk_setup[PPC405CR_TMR_CLK], sysclk);
1635 env = &cpu->env;
1636
1637
1638 ppc4xx_plb_init(env);
1639
1640 ppc4xx_pob_init(env);
1641
1642 ppc4xx_opba_init(0xef600600);
1643
1644 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
1645 irqs[PPCUIC_OUTPUT_INT] =
1646 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
1647 irqs[PPCUIC_OUTPUT_CINT] =
1648 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
1649 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
1650 *picp = pic;
1651
1652 ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
1653 ram_bases, ram_sizes, do_init);
1654
1655 ppc405_ebc_init(env);
1656
1657 dma_irqs[0] = pic[26];
1658 dma_irqs[1] = pic[25];
1659 dma_irqs[2] = pic[24];
1660 dma_irqs[3] = pic[23];
1661 ppc405_dma_init(env, dma_irqs);
1662
1663 if (serial_hds[0] != NULL) {
1664 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
1665 PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
1666 DEVICE_BIG_ENDIAN);
1667 }
1668 if (serial_hds[1] != NULL) {
1669 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
1670 PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
1671 DEVICE_BIG_ENDIAN);
1672 }
1673
1674 sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
1675
1676 ppc405_gpio_init(0xef600700);
1677
1678 ppc405cr_cpc_init(env, clk_setup, sysclk);
1679
1680 return env;
1681}
1682
1683
1684
1685
1686enum {
1687 PPC405EP_CPC0_PLLMR0 = 0x0F0,
1688 PPC405EP_CPC0_BOOT = 0x0F1,
1689 PPC405EP_CPC0_EPCTL = 0x0F3,
1690 PPC405EP_CPC0_PLLMR1 = 0x0F4,
1691 PPC405EP_CPC0_UCR = 0x0F5,
1692 PPC405EP_CPC0_SRR = 0x0F6,
1693 PPC405EP_CPC0_JTAGID = 0x0F7,
1694 PPC405EP_CPC0_PCI = 0x0F9,
1695#if 0
1696 PPC405EP_CPC0_ER = xxx,
1697 PPC405EP_CPC0_FR = xxx,
1698 PPC405EP_CPC0_SR = xxx,
1699#endif
1700};
1701
1702enum {
1703 PPC405EP_CPU_CLK = 0,
1704 PPC405EP_PLB_CLK = 1,
1705 PPC405EP_OPB_CLK = 2,
1706 PPC405EP_EBC_CLK = 3,
1707 PPC405EP_MAL_CLK = 4,
1708 PPC405EP_PCI_CLK = 5,
1709 PPC405EP_UART0_CLK = 6,
1710 PPC405EP_UART1_CLK = 7,
1711 PPC405EP_CLK_NB = 8,
1712};
1713
1714typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
1715struct ppc405ep_cpc_t {
1716 uint32_t sysclk;
1717 clk_setup_t clk_setup[PPC405EP_CLK_NB];
1718 uint32_t boot;
1719 uint32_t epctl;
1720 uint32_t pllmr[2];
1721 uint32_t ucr;
1722 uint32_t srr;
1723 uint32_t jtagid;
1724 uint32_t pci;
1725
1726 uint32_t er;
1727 uint32_t fr;
1728 uint32_t sr;
1729};
1730
1731static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
1732{
1733 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
1734 uint32_t UART0_clk, UART1_clk;
1735 uint64_t VCO_out, PLL_out;
1736 int M, D;
1737
1738 VCO_out = 0;
1739 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
1740 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1;
1741#ifdef DEBUG_CLOCKS_LL
1742 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
1743#endif
1744 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7);
1745#ifdef DEBUG_CLOCKS_LL
1746 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
1747#endif
1748 VCO_out = (uint64_t)cpc->sysclk * M * D;
1749 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
1750
1751 printf("VCO out of range %" PRIu64 "\n", VCO_out);
1752#if 0
1753 cpc->pllmr[1] &= ~0x80000000;
1754 goto pll_bypass;
1755#endif
1756 }
1757 PLL_out = VCO_out / D;
1758
1759 cpc->boot |= 0x00000001;
1760 } else {
1761#if 0
1762 pll_bypass:
1763#endif
1764 PLL_out = cpc->sysclk;
1765 if (cpc->pllmr[1] & 0x40000000) {
1766
1767 cpc->boot &= ~0x00000001;
1768 }
1769 }
1770
1771 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1;
1772#ifdef DEBUG_CLOCKS_LL
1773 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
1774#endif
1775 CPU_clk = PLL_out / D;
1776 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1;
1777#ifdef DEBUG_CLOCKS_LL
1778 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
1779#endif
1780 PLB_clk = CPU_clk / D;
1781 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1;
1782#ifdef DEBUG_CLOCKS_LL
1783 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
1784#endif
1785 OPB_clk = PLB_clk / D;
1786 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2;
1787#ifdef DEBUG_CLOCKS_LL
1788 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
1789#endif
1790 EBC_clk = PLB_clk / D;
1791 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1;
1792#ifdef DEBUG_CLOCKS_LL
1793 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
1794#endif
1795 MAL_clk = PLB_clk / D;
1796 D = (cpc->pllmr[0] & 0x3) + 1;
1797#ifdef DEBUG_CLOCKS_LL
1798 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
1799#endif
1800 PCI_clk = PLB_clk / D;
1801 D = ((cpc->ucr - 1) & 0x7F) + 1;
1802#ifdef DEBUG_CLOCKS_LL
1803 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
1804#endif
1805 UART0_clk = PLL_out / D;
1806 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1;
1807#ifdef DEBUG_CLOCKS_LL
1808 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
1809#endif
1810 UART1_clk = PLL_out / D;
1811#ifdef DEBUG_CLOCKS
1812 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
1813 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
1814 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
1815 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
1816 " UART1 %" PRIu32 "\n",
1817 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
1818 UART0_clk, UART1_clk);
1819#endif
1820
1821 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
1822
1823 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
1824
1825 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
1826
1827 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
1828
1829 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
1830
1831 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
1832
1833 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
1834
1835 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
1836}
1837
1838static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
1839{
1840 ppc405ep_cpc_t *cpc;
1841 uint32_t ret;
1842
1843 cpc = opaque;
1844 switch (dcrn) {
1845 case PPC405EP_CPC0_BOOT:
1846 ret = cpc->boot;
1847 break;
1848 case PPC405EP_CPC0_EPCTL:
1849 ret = cpc->epctl;
1850 break;
1851 case PPC405EP_CPC0_PLLMR0:
1852 ret = cpc->pllmr[0];
1853 break;
1854 case PPC405EP_CPC0_PLLMR1:
1855 ret = cpc->pllmr[1];
1856 break;
1857 case PPC405EP_CPC0_UCR:
1858 ret = cpc->ucr;
1859 break;
1860 case PPC405EP_CPC0_SRR:
1861 ret = cpc->srr;
1862 break;
1863 case PPC405EP_CPC0_JTAGID:
1864 ret = cpc->jtagid;
1865 break;
1866 case PPC405EP_CPC0_PCI:
1867 ret = cpc->pci;
1868 break;
1869 default:
1870
1871 ret = 0;
1872 break;
1873 }
1874
1875 return ret;
1876}
1877
1878static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
1879{
1880 ppc405ep_cpc_t *cpc;
1881
1882 cpc = opaque;
1883 switch (dcrn) {
1884 case PPC405EP_CPC0_BOOT:
1885
1886 break;
1887 case PPC405EP_CPC0_EPCTL:
1888
1889 cpc->epctl = val & 0xC00000F3;
1890 break;
1891 case PPC405EP_CPC0_PLLMR0:
1892 cpc->pllmr[0] = val & 0x00633333;
1893 ppc405ep_compute_clocks(cpc);
1894 break;
1895 case PPC405EP_CPC0_PLLMR1:
1896 cpc->pllmr[1] = val & 0xC0F73FFF;
1897 ppc405ep_compute_clocks(cpc);
1898 break;
1899 case PPC405EP_CPC0_UCR:
1900
1901 cpc->ucr = val & 0x003F7F7F;
1902 break;
1903 case PPC405EP_CPC0_SRR:
1904 cpc->srr = val;
1905 break;
1906 case PPC405EP_CPC0_JTAGID:
1907
1908 break;
1909 case PPC405EP_CPC0_PCI:
1910 cpc->pci = val;
1911 break;
1912 }
1913}
1914
1915static void ppc405ep_cpc_reset (void *opaque)
1916{
1917 ppc405ep_cpc_t *cpc = opaque;
1918
1919 cpc->boot = 0x00000010;
1920 cpc->epctl = 0x00000000;
1921 cpc->pllmr[0] = 0x00011010;
1922 cpc->pllmr[1] = 0x40000000;
1923 cpc->ucr = 0x00000000;
1924 cpc->srr = 0x00040000;
1925 cpc->pci = 0x00000000;
1926 cpc->er = 0x00000000;
1927 cpc->fr = 0x00000000;
1928 cpc->sr = 0x00000000;
1929 ppc405ep_compute_clocks(cpc);
1930}
1931
1932
1933static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
1934 uint32_t sysclk)
1935{
1936 ppc405ep_cpc_t *cpc;
1937
1938 cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
1939 memcpy(cpc->clk_setup, clk_setup,
1940 PPC405EP_CLK_NB * sizeof(clk_setup_t));
1941 cpc->jtagid = 0x20267049;
1942 cpc->sysclk = sysclk;
1943 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
1944 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
1945 &dcr_read_epcpc, &dcr_write_epcpc);
1946 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
1947 &dcr_read_epcpc, &dcr_write_epcpc);
1948 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
1949 &dcr_read_epcpc, &dcr_write_epcpc);
1950 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
1951 &dcr_read_epcpc, &dcr_write_epcpc);
1952 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
1953 &dcr_read_epcpc, &dcr_write_epcpc);
1954 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
1955 &dcr_read_epcpc, &dcr_write_epcpc);
1956 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
1957 &dcr_read_epcpc, &dcr_write_epcpc);
1958 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
1959 &dcr_read_epcpc, &dcr_write_epcpc);
1960#if 0
1961 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
1962 &dcr_read_epcpc, &dcr_write_epcpc);
1963 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
1964 &dcr_read_epcpc, &dcr_write_epcpc);
1965 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
1966 &dcr_read_epcpc, &dcr_write_epcpc);
1967#endif
1968}
1969
1970CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
1971 MemoryRegion ram_memories[2],
1972 hwaddr ram_bases[2],
1973 hwaddr ram_sizes[2],
1974 uint32_t sysclk, qemu_irq **picp,
1975 int do_init)
1976{
1977 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
1978 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
1979 PowerPCCPU *cpu;
1980 CPUPPCState *env;
1981 qemu_irq *pic, *irqs;
1982
1983 memset(clk_setup, 0, sizeof(clk_setup));
1984
1985 cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405ep"),
1986 &clk_setup[PPC405EP_CPU_CLK],
1987 &tlb_clk_setup, sysclk);
1988 env = &cpu->env;
1989 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
1990 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
1991
1992
1993
1994 ppc4xx_plb_init(env);
1995
1996 ppc4xx_pob_init(env);
1997
1998 ppc4xx_opba_init(0xef600600);
1999
2000 ppc_booke_timers_init(cpu, sysclk, 0);
2001
2002 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2003 irqs[PPCUIC_OUTPUT_INT] =
2004 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2005 irqs[PPCUIC_OUTPUT_CINT] =
2006 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2007 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2008 *picp = pic;
2009
2010
2011 ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
2012 ram_bases, ram_sizes, do_init);
2013
2014 ppc405_ebc_init(env);
2015
2016 dma_irqs[0] = pic[5];
2017 dma_irqs[1] = pic[6];
2018 dma_irqs[2] = pic[7];
2019 dma_irqs[3] = pic[8];
2020 ppc405_dma_init(env, dma_irqs);
2021
2022 sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
2023
2024 ppc405_gpio_init(0xef600700);
2025
2026 if (serial_hds[0] != NULL) {
2027 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2028 PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2029 DEVICE_BIG_ENDIAN);
2030 }
2031 if (serial_hds[1] != NULL) {
2032 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2033 PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2034 DEVICE_BIG_ENDIAN);
2035 }
2036
2037 ppc405_ocm_init(env);
2038
2039 gpt_irqs[0] = pic[19];
2040 gpt_irqs[1] = pic[20];
2041 gpt_irqs[2] = pic[21];
2042 gpt_irqs[3] = pic[22];
2043 gpt_irqs[4] = pic[23];
2044 ppc4xx_gpt_init(0xef600000, gpt_irqs);
2045
2046
2047
2048 mal_irqs[0] = pic[11];
2049 mal_irqs[1] = pic[12];
2050 mal_irqs[2] = pic[13];
2051 mal_irqs[3] = pic[14];
2052 ppc4xx_mal_init(env, 4, 2, mal_irqs);
2053
2054
2055
2056 ppc405ep_cpc_init(env, clk_setup, sysclk);
2057
2058 return env;
2059}
2060
