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24#include "hw/hw.h"
25#include "hw/ppc/ppc.h"
26#include "hw/boards.h"
27#include "ppc405.h"
28#include "hw/char/serial.h"
29#include "qemu/timer.h"
30#include "sysemu/sysemu.h"
31#include "qemu/log.h"
32#include "exec/address-spaces.h"
33
34
35
36
37
38
39
40
41
42
43
44
45ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
46 uint32_t flags)
47{
48 CPUState *cs = CPU(ppc_env_get_cpu(env));
49 ram_addr_t bdloc;
50 int i, n;
51
52
53 if (bd->bi_memsize >= 0x01000000UL)
54 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
55 else
56 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
57 stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
58 stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
59 stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
60 stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
61 stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
62 stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
63 stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
64 stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
65 stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
66 for (i = 0; i < 6; i++) {
67 stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
68 }
69 stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
70 stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
71 stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
72 stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
73 for (i = 0; i < 4; i++) {
74 stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
75 }
76 for (i = 0; i < 32; i++) {
77 stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]);
78 }
79 stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq);
80 stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq);
81 for (i = 0; i < 6; i++) {
82 stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
83 }
84 n = 0x6A;
85 if (flags & 0x00000001) {
86 for (i = 0; i < 6; i++)
87 stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]);
88 }
89 stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
90 n += 4;
91 for (i = 0; i < 2; i++) {
92 stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
93 n += 4;
94 }
95
96 return bdloc;
97}
98
99
100
101
102
103
104enum {
105 PLB0_BESR = 0x084,
106 PLB0_BEAR = 0x086,
107 PLB0_ACR = 0x087,
108};
109
110typedef struct ppc4xx_plb_t ppc4xx_plb_t;
111struct ppc4xx_plb_t {
112 uint32_t acr;
113 uint32_t bear;
114 uint32_t besr;
115};
116
117static uint32_t dcr_read_plb (void *opaque, int dcrn)
118{
119 ppc4xx_plb_t *plb;
120 uint32_t ret;
121
122 plb = opaque;
123 switch (dcrn) {
124 case PLB0_ACR:
125 ret = plb->acr;
126 break;
127 case PLB0_BEAR:
128 ret = plb->bear;
129 break;
130 case PLB0_BESR:
131 ret = plb->besr;
132 break;
133 default:
134
135 ret = 0;
136 break;
137 }
138
139 return ret;
140}
141
142static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
143{
144 ppc4xx_plb_t *plb;
145
146 plb = opaque;
147 switch (dcrn) {
148 case PLB0_ACR:
149
150
151
152 plb->acr = val & 0xF8000000;
153 break;
154 case PLB0_BEAR:
155
156 break;
157 case PLB0_BESR:
158
159 plb->besr &= ~val;
160 break;
161 }
162}
163
164static void ppc4xx_plb_reset (void *opaque)
165{
166 ppc4xx_plb_t *plb;
167
168 plb = opaque;
169 plb->acr = 0x00000000;
170 plb->bear = 0x00000000;
171 plb->besr = 0x00000000;
172}
173
174static void ppc4xx_plb_init(CPUPPCState *env)
175{
176 ppc4xx_plb_t *plb;
177
178 plb = g_malloc0(sizeof(ppc4xx_plb_t));
179 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
180 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
181 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
182 qemu_register_reset(ppc4xx_plb_reset, plb);
183}
184
185
186
187enum {
188 POB0_BESR0 = 0x0A0,
189 POB0_BESR1 = 0x0A2,
190 POB0_BEAR = 0x0A4,
191};
192
193typedef struct ppc4xx_pob_t ppc4xx_pob_t;
194struct ppc4xx_pob_t {
195 uint32_t bear;
196 uint32_t besr0;
197 uint32_t besr1;
198};
199
200static uint32_t dcr_read_pob (void *opaque, int dcrn)
201{
202 ppc4xx_pob_t *pob;
203 uint32_t ret;
204
205 pob = opaque;
206 switch (dcrn) {
207 case POB0_BEAR:
208 ret = pob->bear;
209 break;
210 case POB0_BESR0:
211 ret = pob->besr0;
212 break;
213 case POB0_BESR1:
214 ret = pob->besr1;
215 break;
216 default:
217
218 ret = 0;
219 break;
220 }
221
222 return ret;
223}
224
225static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
226{
227 ppc4xx_pob_t *pob;
228
229 pob = opaque;
230 switch (dcrn) {
231 case POB0_BEAR:
232
233 break;
234 case POB0_BESR0:
235
236 pob->besr0 &= ~val;
237 break;
238 case POB0_BESR1:
239
240 pob->besr1 &= ~val;
241 break;
242 }
243}
244
245static void ppc4xx_pob_reset (void *opaque)
246{
247 ppc4xx_pob_t *pob;
248
249 pob = opaque;
250
251 pob->bear = 0x00000000;
252 pob->besr0 = 0x0000000;
253 pob->besr1 = 0x0000000;
254}
255
256static void ppc4xx_pob_init(CPUPPCState *env)
257{
258 ppc4xx_pob_t *pob;
259
260 pob = g_malloc0(sizeof(ppc4xx_pob_t));
261 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
262 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
263 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
264 qemu_register_reset(ppc4xx_pob_reset, pob);
265}
266
267
268
269typedef struct ppc4xx_opba_t ppc4xx_opba_t;
270struct ppc4xx_opba_t {
271 MemoryRegion io;
272 uint8_t cr;
273 uint8_t pr;
274};
275
276static uint32_t opba_readb (void *opaque, hwaddr addr)
277{
278 ppc4xx_opba_t *opba;
279 uint32_t ret;
280
281#ifdef DEBUG_OPBA
282 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
283#endif
284 opba = opaque;
285 switch (addr) {
286 case 0x00:
287 ret = opba->cr;
288 break;
289 case 0x01:
290 ret = opba->pr;
291 break;
292 default:
293 ret = 0x00;
294 break;
295 }
296
297 return ret;
298}
299
300static void opba_writeb (void *opaque,
301 hwaddr addr, uint32_t value)
302{
303 ppc4xx_opba_t *opba;
304
305#ifdef DEBUG_OPBA
306 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
307 value);
308#endif
309 opba = opaque;
310 switch (addr) {
311 case 0x00:
312 opba->cr = value & 0xF8;
313 break;
314 case 0x01:
315 opba->pr = value & 0xFF;
316 break;
317 default:
318 break;
319 }
320}
321
322static uint32_t opba_readw (void *opaque, hwaddr addr)
323{
324 uint32_t ret;
325
326#ifdef DEBUG_OPBA
327 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
328#endif
329 ret = opba_readb(opaque, addr) << 8;
330 ret |= opba_readb(opaque, addr + 1);
331
332 return ret;
333}
334
335static void opba_writew (void *opaque,
336 hwaddr addr, uint32_t value)
337{
338#ifdef DEBUG_OPBA
339 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
340 value);
341#endif
342 opba_writeb(opaque, addr, value >> 8);
343 opba_writeb(opaque, addr + 1, value);
344}
345
346static uint32_t opba_readl (void *opaque, hwaddr addr)
347{
348 uint32_t ret;
349
350#ifdef DEBUG_OPBA
351 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
352#endif
353 ret = opba_readb(opaque, addr) << 24;
354 ret |= opba_readb(opaque, addr + 1) << 16;
355
356 return ret;
357}
358
359static void opba_writel (void *opaque,
360 hwaddr addr, uint32_t value)
361{
362#ifdef DEBUG_OPBA
363 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
364 value);
365#endif
366 opba_writeb(opaque, addr, value >> 24);
367 opba_writeb(opaque, addr + 1, value >> 16);
368}
369
370static const MemoryRegionOps opba_ops = {
371 .old_mmio = {
372 .read = { opba_readb, opba_readw, opba_readl, },
373 .write = { opba_writeb, opba_writew, opba_writel, },
374 },
375 .endianness = DEVICE_NATIVE_ENDIAN,
376};
377
378static void ppc4xx_opba_reset (void *opaque)
379{
380 ppc4xx_opba_t *opba;
381
382 opba = opaque;
383 opba->cr = 0x00;
384 opba->pr = 0x11;
385}
386
387static void ppc4xx_opba_init(hwaddr base)
388{
389 ppc4xx_opba_t *opba;
390
391 opba = g_malloc0(sizeof(ppc4xx_opba_t));
392#ifdef DEBUG_OPBA
393 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
394#endif
395 memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002);
396 memory_region_add_subregion(get_system_memory(), base, &opba->io);
397 qemu_register_reset(ppc4xx_opba_reset, opba);
398}
399
400
401
402
403
404
405
406typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
407struct ppc4xx_ebc_t {
408 uint32_t addr;
409 uint32_t bcr[8];
410 uint32_t bap[8];
411 uint32_t bear;
412 uint32_t besr0;
413 uint32_t besr1;
414 uint32_t cfg;
415};
416
417enum {
418 EBC0_CFGADDR = 0x012,
419 EBC0_CFGDATA = 0x013,
420};
421
422static uint32_t dcr_read_ebc (void *opaque, int dcrn)
423{
424 ppc4xx_ebc_t *ebc;
425 uint32_t ret;
426
427 ebc = opaque;
428 switch (dcrn) {
429 case EBC0_CFGADDR:
430 ret = ebc->addr;
431 break;
432 case EBC0_CFGDATA:
433 switch (ebc->addr) {
434 case 0x00:
435 ret = ebc->bcr[0];
436 break;
437 case 0x01:
438 ret = ebc->bcr[1];
439 break;
440 case 0x02:
441 ret = ebc->bcr[2];
442 break;
443 case 0x03:
444 ret = ebc->bcr[3];
445 break;
446 case 0x04:
447 ret = ebc->bcr[4];
448 break;
449 case 0x05:
450 ret = ebc->bcr[5];
451 break;
452 case 0x06:
453 ret = ebc->bcr[6];
454 break;
455 case 0x07:
456 ret = ebc->bcr[7];
457 break;
458 case 0x10:
459 ret = ebc->bap[0];
460 break;
461 case 0x11:
462 ret = ebc->bap[1];
463 break;
464 case 0x12:
465 ret = ebc->bap[2];
466 break;
467 case 0x13:
468 ret = ebc->bap[3];
469 break;
470 case 0x14:
471 ret = ebc->bap[4];
472 break;
473 case 0x15:
474 ret = ebc->bap[5];
475 break;
476 case 0x16:
477 ret = ebc->bap[6];
478 break;
479 case 0x17:
480 ret = ebc->bap[7];
481 break;
482 case 0x20:
483 ret = ebc->bear;
484 break;
485 case 0x21:
486 ret = ebc->besr0;
487 break;
488 case 0x22:
489 ret = ebc->besr1;
490 break;
491 case 0x23:
492 ret = ebc->cfg;
493 break;
494 default:
495 ret = 0x00000000;
496 break;
497 }
498 break;
499 default:
500 ret = 0x00000000;
501 break;
502 }
503
504 return ret;
505}
506
507static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
508{
509 ppc4xx_ebc_t *ebc;
510
511 ebc = opaque;
512 switch (dcrn) {
513 case EBC0_CFGADDR:
514 ebc->addr = val;
515 break;
516 case EBC0_CFGDATA:
517 switch (ebc->addr) {
518 case 0x00:
519 break;
520 case 0x01:
521 break;
522 case 0x02:
523 break;
524 case 0x03:
525 break;
526 case 0x04:
527 break;
528 case 0x05:
529 break;
530 case 0x06:
531 break;
532 case 0x07:
533 break;
534 case 0x10:
535 break;
536 case 0x11:
537 break;
538 case 0x12:
539 break;
540 case 0x13:
541 break;
542 case 0x14:
543 break;
544 case 0x15:
545 break;
546 case 0x16:
547 break;
548 case 0x17:
549 break;
550 case 0x20:
551 break;
552 case 0x21:
553 break;
554 case 0x22:
555 break;
556 case 0x23:
557 break;
558 default:
559 break;
560 }
561 break;
562 default:
563 break;
564 }
565}
566
567static void ebc_reset (void *opaque)
568{
569 ppc4xx_ebc_t *ebc;
570 int i;
571
572 ebc = opaque;
573 ebc->addr = 0x00000000;
574 ebc->bap[0] = 0x7F8FFE80;
575 ebc->bcr[0] = 0xFFE28000;
576 for (i = 0; i < 8; i++) {
577 ebc->bap[i] = 0x00000000;
578 ebc->bcr[i] = 0x00000000;
579 }
580 ebc->besr0 = 0x00000000;
581 ebc->besr1 = 0x00000000;
582 ebc->cfg = 0x80400000;
583}
584
585static void ppc405_ebc_init(CPUPPCState *env)
586{
587 ppc4xx_ebc_t *ebc;
588
589 ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
590 qemu_register_reset(&ebc_reset, ebc);
591 ppc_dcr_register(env, EBC0_CFGADDR,
592 ebc, &dcr_read_ebc, &dcr_write_ebc);
593 ppc_dcr_register(env, EBC0_CFGDATA,
594 ebc, &dcr_read_ebc, &dcr_write_ebc);
595}
596
597
598
599enum {
600 DMA0_CR0 = 0x100,
601 DMA0_CT0 = 0x101,
602 DMA0_DA0 = 0x102,
603 DMA0_SA0 = 0x103,
604 DMA0_SG0 = 0x104,
605 DMA0_CR1 = 0x108,
606 DMA0_CT1 = 0x109,
607 DMA0_DA1 = 0x10A,
608 DMA0_SA1 = 0x10B,
609 DMA0_SG1 = 0x10C,
610 DMA0_CR2 = 0x110,
611 DMA0_CT2 = 0x111,
612 DMA0_DA2 = 0x112,
613 DMA0_SA2 = 0x113,
614 DMA0_SG2 = 0x114,
615 DMA0_CR3 = 0x118,
616 DMA0_CT3 = 0x119,
617 DMA0_DA3 = 0x11A,
618 DMA0_SA3 = 0x11B,
619 DMA0_SG3 = 0x11C,
620 DMA0_SR = 0x120,
621 DMA0_SGC = 0x123,
622 DMA0_SLP = 0x125,
623 DMA0_POL = 0x126,
624};
625
626typedef struct ppc405_dma_t ppc405_dma_t;
627struct ppc405_dma_t {
628 qemu_irq irqs[4];
629 uint32_t cr[4];
630 uint32_t ct[4];
631 uint32_t da[4];
632 uint32_t sa[4];
633 uint32_t sg[4];
634 uint32_t sr;
635 uint32_t sgc;
636 uint32_t slp;
637 uint32_t pol;
638};
639
640static uint32_t dcr_read_dma (void *opaque, int dcrn)
641{
642 return 0;
643}
644
645static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
646{
647}
648
649static void ppc405_dma_reset (void *opaque)
650{
651 ppc405_dma_t *dma;
652 int i;
653
654 dma = opaque;
655 for (i = 0; i < 4; i++) {
656 dma->cr[i] = 0x00000000;
657 dma->ct[i] = 0x00000000;
658 dma->da[i] = 0x00000000;
659 dma->sa[i] = 0x00000000;
660 dma->sg[i] = 0x00000000;
661 }
662 dma->sr = 0x00000000;
663 dma->sgc = 0x00000000;
664 dma->slp = 0x7C000000;
665 dma->pol = 0x00000000;
666}
667
668static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
669{
670 ppc405_dma_t *dma;
671
672 dma = g_malloc0(sizeof(ppc405_dma_t));
673 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
674 qemu_register_reset(&ppc405_dma_reset, dma);
675 ppc_dcr_register(env, DMA0_CR0,
676 dma, &dcr_read_dma, &dcr_write_dma);
677 ppc_dcr_register(env, DMA0_CT0,
678 dma, &dcr_read_dma, &dcr_write_dma);
679 ppc_dcr_register(env, DMA0_DA0,
680 dma, &dcr_read_dma, &dcr_write_dma);
681 ppc_dcr_register(env, DMA0_SA0,
682 dma, &dcr_read_dma, &dcr_write_dma);
683 ppc_dcr_register(env, DMA0_SG0,
684 dma, &dcr_read_dma, &dcr_write_dma);
685 ppc_dcr_register(env, DMA0_CR1,
686 dma, &dcr_read_dma, &dcr_write_dma);
687 ppc_dcr_register(env, DMA0_CT1,
688 dma, &dcr_read_dma, &dcr_write_dma);
689 ppc_dcr_register(env, DMA0_DA1,
690 dma, &dcr_read_dma, &dcr_write_dma);
691 ppc_dcr_register(env, DMA0_SA1,
692 dma, &dcr_read_dma, &dcr_write_dma);
693 ppc_dcr_register(env, DMA0_SG1,
694 dma, &dcr_read_dma, &dcr_write_dma);
695 ppc_dcr_register(env, DMA0_CR2,
696 dma, &dcr_read_dma, &dcr_write_dma);
697 ppc_dcr_register(env, DMA0_CT2,
698 dma, &dcr_read_dma, &dcr_write_dma);
699 ppc_dcr_register(env, DMA0_DA2,
700 dma, &dcr_read_dma, &dcr_write_dma);
701 ppc_dcr_register(env, DMA0_SA2,
702 dma, &dcr_read_dma, &dcr_write_dma);
703 ppc_dcr_register(env, DMA0_SG2,
704 dma, &dcr_read_dma, &dcr_write_dma);
705 ppc_dcr_register(env, DMA0_CR3,
706 dma, &dcr_read_dma, &dcr_write_dma);
707 ppc_dcr_register(env, DMA0_CT3,
708 dma, &dcr_read_dma, &dcr_write_dma);
709 ppc_dcr_register(env, DMA0_DA3,
710 dma, &dcr_read_dma, &dcr_write_dma);
711 ppc_dcr_register(env, DMA0_SA3,
712 dma, &dcr_read_dma, &dcr_write_dma);
713 ppc_dcr_register(env, DMA0_SG3,
714 dma, &dcr_read_dma, &dcr_write_dma);
715 ppc_dcr_register(env, DMA0_SR,
716 dma, &dcr_read_dma, &dcr_write_dma);
717 ppc_dcr_register(env, DMA0_SGC,
718 dma, &dcr_read_dma, &dcr_write_dma);
719 ppc_dcr_register(env, DMA0_SLP,
720 dma, &dcr_read_dma, &dcr_write_dma);
721 ppc_dcr_register(env, DMA0_POL,
722 dma, &dcr_read_dma, &dcr_write_dma);
723}
724
725
726
727typedef struct ppc405_gpio_t ppc405_gpio_t;
728struct ppc405_gpio_t {
729 MemoryRegion io;
730 uint32_t or;
731 uint32_t tcr;
732 uint32_t osrh;
733 uint32_t osrl;
734 uint32_t tsrh;
735 uint32_t tsrl;
736 uint32_t odr;
737 uint32_t ir;
738 uint32_t rr1;
739 uint32_t isr1h;
740 uint32_t isr1l;
741};
742
743static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
744{
745#ifdef DEBUG_GPIO
746 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
747#endif
748
749 return 0;
750}
751
752static void ppc405_gpio_writeb (void *opaque,
753 hwaddr addr, uint32_t value)
754{
755#ifdef DEBUG_GPIO
756 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
757 value);
758#endif
759}
760
761static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
762{
763#ifdef DEBUG_GPIO
764 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
765#endif
766
767 return 0;
768}
769
770static void ppc405_gpio_writew (void *opaque,
771 hwaddr addr, uint32_t value)
772{
773#ifdef DEBUG_GPIO
774 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
775 value);
776#endif
777}
778
779static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
780{
781#ifdef DEBUG_GPIO
782 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
783#endif
784
785 return 0;
786}
787
788static void ppc405_gpio_writel (void *opaque,
789 hwaddr addr, uint32_t value)
790{
791#ifdef DEBUG_GPIO
792 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
793 value);
794#endif
795}
796
797static const MemoryRegionOps ppc405_gpio_ops = {
798 .old_mmio = {
799 .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
800 .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
801 },
802 .endianness = DEVICE_NATIVE_ENDIAN,
803};
804
805static void ppc405_gpio_reset (void *opaque)
806{
807}
808
809static void ppc405_gpio_init(hwaddr base)
810{
811 ppc405_gpio_t *gpio;
812
813 gpio = g_malloc0(sizeof(ppc405_gpio_t));
814#ifdef DEBUG_GPIO
815 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
816#endif
817 memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038);
818 memory_region_add_subregion(get_system_memory(), base, &gpio->io);
819 qemu_register_reset(&ppc405_gpio_reset, gpio);
820}
821
822
823
824enum {
825 OCM0_ISARC = 0x018,
826 OCM0_ISACNTL = 0x019,
827 OCM0_DSARC = 0x01A,
828 OCM0_DSACNTL = 0x01B,
829};
830
831typedef struct ppc405_ocm_t ppc405_ocm_t;
832struct ppc405_ocm_t {
833 MemoryRegion ram;
834 MemoryRegion isarc_ram;
835 MemoryRegion dsarc_ram;
836 uint32_t isarc;
837 uint32_t isacntl;
838 uint32_t dsarc;
839 uint32_t dsacntl;
840};
841
842static void ocm_update_mappings (ppc405_ocm_t *ocm,
843 uint32_t isarc, uint32_t isacntl,
844 uint32_t dsarc, uint32_t dsacntl)
845{
846#ifdef DEBUG_OCM
847 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
848 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
849 " (%08" PRIx32 " %08" PRIx32 ")\n",
850 isarc, isacntl, dsarc, dsacntl,
851 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
852#endif
853 if (ocm->isarc != isarc ||
854 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
855 if (ocm->isacntl & 0x80000000) {
856
857 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
858 memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
859 }
860 if (isacntl & 0x80000000) {
861
862#ifdef DEBUG_OCM
863 printf("OCM map ISA %08" PRIx32 "\n", isarc);
864#endif
865 memory_region_add_subregion(get_system_memory(), isarc,
866 &ocm->isarc_ram);
867 }
868 }
869 if (ocm->dsarc != dsarc ||
870 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
871 if (ocm->dsacntl & 0x80000000) {
872
873 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
874
875#ifdef DEBUG_OCM
876 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
877#endif
878 memory_region_del_subregion(get_system_memory(),
879 &ocm->dsarc_ram);
880 }
881 }
882 if (dsacntl & 0x80000000) {
883
884 if (!(isacntl & 0x80000000) || dsarc != isarc) {
885
886#ifdef DEBUG_OCM
887 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
888#endif
889 memory_region_add_subregion(get_system_memory(), dsarc,
890 &ocm->dsarc_ram);
891 }
892 }
893 }
894}
895
896static uint32_t dcr_read_ocm (void *opaque, int dcrn)
897{
898 ppc405_ocm_t *ocm;
899 uint32_t ret;
900
901 ocm = opaque;
902 switch (dcrn) {
903 case OCM0_ISARC:
904 ret = ocm->isarc;
905 break;
906 case OCM0_ISACNTL:
907 ret = ocm->isacntl;
908 break;
909 case OCM0_DSARC:
910 ret = ocm->dsarc;
911 break;
912 case OCM0_DSACNTL:
913 ret = ocm->dsacntl;
914 break;
915 default:
916 ret = 0;
917 break;
918 }
919
920 return ret;
921}
922
923static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
924{
925 ppc405_ocm_t *ocm;
926 uint32_t isarc, dsarc, isacntl, dsacntl;
927
928 ocm = opaque;
929 isarc = ocm->isarc;
930 dsarc = ocm->dsarc;
931 isacntl = ocm->isacntl;
932 dsacntl = ocm->dsacntl;
933 switch (dcrn) {
934 case OCM0_ISARC:
935 isarc = val & 0xFC000000;
936 break;
937 case OCM0_ISACNTL:
938 isacntl = val & 0xC0000000;
939 break;
940 case OCM0_DSARC:
941 isarc = val & 0xFC000000;
942 break;
943 case OCM0_DSACNTL:
944 isacntl = val & 0xC0000000;
945 break;
946 }
947 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
948 ocm->isarc = isarc;
949 ocm->dsarc = dsarc;
950 ocm->isacntl = isacntl;
951 ocm->dsacntl = dsacntl;
952}
953
954static void ocm_reset (void *opaque)
955{
956 ppc405_ocm_t *ocm;
957 uint32_t isarc, dsarc, isacntl, dsacntl;
958
959 ocm = opaque;
960 isarc = 0x00000000;
961 isacntl = 0x00000000;
962 dsarc = 0x00000000;
963 dsacntl = 0x00000000;
964 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
965 ocm->isarc = isarc;
966 ocm->dsarc = dsarc;
967 ocm->isacntl = isacntl;
968 ocm->dsacntl = dsacntl;
969}
970
971static void ppc405_ocm_init(CPUPPCState *env)
972{
973 ppc405_ocm_t *ocm;
974
975 ocm = g_malloc0(sizeof(ppc405_ocm_t));
976
977 memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096,
978 &error_fatal);
979 vmstate_register_ram_global(&ocm->isarc_ram);
980 memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", &ocm->isarc_ram,
981 0, 4096);
982 qemu_register_reset(&ocm_reset, ocm);
983 ppc_dcr_register(env, OCM0_ISARC,
984 ocm, &dcr_read_ocm, &dcr_write_ocm);
985 ppc_dcr_register(env, OCM0_ISACNTL,
986 ocm, &dcr_read_ocm, &dcr_write_ocm);
987 ppc_dcr_register(env, OCM0_DSARC,
988 ocm, &dcr_read_ocm, &dcr_write_ocm);
989 ppc_dcr_register(env, OCM0_DSACNTL,
990 ocm, &dcr_read_ocm, &dcr_write_ocm);
991}
992
993
994
995typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
996struct ppc4xx_i2c_t {
997 qemu_irq irq;
998 MemoryRegion iomem;
999 uint8_t mdata;
1000 uint8_t lmadr;
1001 uint8_t hmadr;
1002 uint8_t cntl;
1003 uint8_t mdcntl;
1004 uint8_t sts;
1005 uint8_t extsts;
1006 uint8_t sdata;
1007 uint8_t lsadr;
1008 uint8_t hsadr;
1009 uint8_t clkdiv;
1010 uint8_t intrmsk;
1011 uint8_t xfrcnt;
1012 uint8_t xtcntlss;
1013 uint8_t directcntl;
1014};
1015
1016static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr)
1017{
1018 ppc4xx_i2c_t *i2c;
1019 uint32_t ret;
1020
1021#ifdef DEBUG_I2C
1022 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1023#endif
1024 i2c = opaque;
1025 switch (addr) {
1026 case 0x00:
1027
1028 ret = i2c->mdata;
1029 break;
1030 case 0x02:
1031 ret = i2c->sdata;
1032 break;
1033 case 0x04:
1034 ret = i2c->lmadr;
1035 break;
1036 case 0x05:
1037 ret = i2c->hmadr;
1038 break;
1039 case 0x06:
1040 ret = i2c->cntl;
1041 break;
1042 case 0x07:
1043 ret = i2c->mdcntl;
1044 break;
1045 case 0x08:
1046 ret = i2c->sts;
1047 break;
1048 case 0x09:
1049 ret = i2c->extsts;
1050 break;
1051 case 0x0A:
1052 ret = i2c->lsadr;
1053 break;
1054 case 0x0B:
1055 ret = i2c->hsadr;
1056 break;
1057 case 0x0C:
1058 ret = i2c->clkdiv;
1059 break;
1060 case 0x0D:
1061 ret = i2c->intrmsk;
1062 break;
1063 case 0x0E:
1064 ret = i2c->xfrcnt;
1065 break;
1066 case 0x0F:
1067 ret = i2c->xtcntlss;
1068 break;
1069 case 0x10:
1070 ret = i2c->directcntl;
1071 break;
1072 default:
1073 ret = 0x00;
1074 break;
1075 }
1076#ifdef DEBUG_I2C
1077 printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1078#endif
1079
1080 return ret;
1081}
1082
1083static void ppc4xx_i2c_writeb (void *opaque,
1084 hwaddr addr, uint32_t value)
1085{
1086 ppc4xx_i2c_t *i2c;
1087
1088#ifdef DEBUG_I2C
1089 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1090 value);
1091#endif
1092 i2c = opaque;
1093 switch (addr) {
1094 case 0x00:
1095 i2c->mdata = value;
1096
1097 break;
1098 case 0x02:
1099 i2c->sdata = value;
1100 break;
1101 case 0x04:
1102 i2c->lmadr = value;
1103 break;
1104 case 0x05:
1105 i2c->hmadr = value;
1106 break;
1107 case 0x06:
1108 i2c->cntl = value;
1109 break;
1110 case 0x07:
1111 i2c->mdcntl = value & 0xDF;
1112 break;
1113 case 0x08:
1114 i2c->sts &= ~(value & 0x0A);
1115 break;
1116 case 0x09:
1117 i2c->extsts &= ~(value & 0x8F);
1118 break;
1119 case 0x0A:
1120 i2c->lsadr = value;
1121 break;
1122 case 0x0B:
1123 i2c->hsadr = value;
1124 break;
1125 case 0x0C:
1126 i2c->clkdiv = value;
1127 break;
1128 case 0x0D:
1129 i2c->intrmsk = value;
1130 break;
1131 case 0x0E:
1132 i2c->xfrcnt = value & 0x77;
1133 break;
1134 case 0x0F:
1135 i2c->xtcntlss = value;
1136 break;
1137 case 0x10:
1138 i2c->directcntl = value & 0x7;
1139 break;
1140 }
1141}
1142
1143static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr)
1144{
1145 uint32_t ret;
1146
1147#ifdef DEBUG_I2C
1148 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1149#endif
1150 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1151 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1152
1153 return ret;
1154}
1155
1156static void ppc4xx_i2c_writew (void *opaque,
1157 hwaddr addr, uint32_t value)
1158{
1159#ifdef DEBUG_I2C
1160 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1161 value);
1162#endif
1163 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1164 ppc4xx_i2c_writeb(opaque, addr + 1, value);
1165}
1166
1167static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr)
1168{
1169 uint32_t ret;
1170
1171#ifdef DEBUG_I2C
1172 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1173#endif
1174 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1175 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1176 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1177 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1178
1179 return ret;
1180}
1181
1182static void ppc4xx_i2c_writel (void *opaque,
1183 hwaddr addr, uint32_t value)
1184{
1185#ifdef DEBUG_I2C
1186 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1187 value);
1188#endif
1189 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
1190 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1191 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1192 ppc4xx_i2c_writeb(opaque, addr + 3, value);
1193}
1194
1195static const MemoryRegionOps i2c_ops = {
1196 .old_mmio = {
1197 .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
1198 .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
1199 },
1200 .endianness = DEVICE_NATIVE_ENDIAN,
1201};
1202
1203static void ppc4xx_i2c_reset (void *opaque)
1204{
1205 ppc4xx_i2c_t *i2c;
1206
1207 i2c = opaque;
1208 i2c->mdata = 0x00;
1209 i2c->sdata = 0x00;
1210 i2c->cntl = 0x00;
1211 i2c->mdcntl = 0x00;
1212 i2c->sts = 0x00;
1213 i2c->extsts = 0x00;
1214 i2c->clkdiv = 0x00;
1215 i2c->xfrcnt = 0x00;
1216 i2c->directcntl = 0x0F;
1217}
1218
1219static void ppc405_i2c_init(hwaddr base, qemu_irq irq)
1220{
1221 ppc4xx_i2c_t *i2c;
1222
1223 i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
1224 i2c->irq = irq;
1225#ifdef DEBUG_I2C
1226 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1227#endif
1228 memory_region_init_io(&i2c->iomem, NULL, &i2c_ops, i2c, "i2c", 0x011);
1229 memory_region_add_subregion(get_system_memory(), base, &i2c->iomem);
1230 qemu_register_reset(ppc4xx_i2c_reset, i2c);
1231}
1232
1233
1234
1235typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1236struct ppc4xx_gpt_t {
1237 MemoryRegion iomem;
1238 int64_t tb_offset;
1239 uint32_t tb_freq;
1240 QEMUTimer *timer;
1241 qemu_irq irqs[5];
1242 uint32_t oe;
1243 uint32_t ol;
1244 uint32_t im;
1245 uint32_t is;
1246 uint32_t ie;
1247 uint32_t comp[5];
1248 uint32_t mask[5];
1249};
1250
1251static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
1252{
1253#ifdef DEBUG_GPT
1254 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1255#endif
1256
1257 return -1;
1258}
1259
1260static void ppc4xx_gpt_writeb (void *opaque,
1261 hwaddr addr, uint32_t value)
1262{
1263#ifdef DEBUG_I2C
1264 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1265 value);
1266#endif
1267
1268}
1269
1270static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
1271{
1272#ifdef DEBUG_GPT
1273 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1274#endif
1275
1276 return -1;
1277}
1278
1279static void ppc4xx_gpt_writew (void *opaque,
1280 hwaddr addr, uint32_t value)
1281{
1282#ifdef DEBUG_I2C
1283 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1284 value);
1285#endif
1286
1287}
1288
1289static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1290{
1291
1292 return 0;
1293}
1294
1295static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1296{
1297
1298}
1299
1300static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1301{
1302 uint32_t mask;
1303 int i;
1304
1305 mask = 0x80000000;
1306 for (i = 0; i < 5; i++) {
1307 if (gpt->oe & mask) {
1308
1309 if (ppc4xx_gpt_compare(gpt, i)) {
1310
1311 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1312 } else {
1313
1314 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1315 }
1316 }
1317 mask = mask >> 1;
1318 }
1319}
1320
1321static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1322{
1323 uint32_t mask;
1324 int i;
1325
1326 mask = 0x00008000;
1327 for (i = 0; i < 5; i++) {
1328 if (gpt->is & gpt->im & mask)
1329 qemu_irq_raise(gpt->irqs[i]);
1330 else
1331 qemu_irq_lower(gpt->irqs[i]);
1332 mask = mask >> 1;
1333 }
1334}
1335
1336static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1337{
1338
1339}
1340
1341static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
1342{
1343 ppc4xx_gpt_t *gpt;
1344 uint32_t ret;
1345 int idx;
1346
1347#ifdef DEBUG_GPT
1348 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1349#endif
1350 gpt = opaque;
1351 switch (addr) {
1352 case 0x00:
1353
1354 ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
1355 gpt->tb_freq, get_ticks_per_sec());
1356 break;
1357 case 0x10:
1358
1359 ret = gpt->oe;
1360 break;
1361 case 0x14:
1362
1363 ret = gpt->ol;
1364 break;
1365 case 0x18:
1366
1367 ret = gpt->im;
1368 break;
1369 case 0x1C:
1370 case 0x20:
1371
1372 ret = gpt->is;
1373 break;
1374 case 0x24:
1375
1376 ret = gpt->ie;
1377 break;
1378 case 0x80 ... 0x90:
1379
1380 idx = (addr - 0x80) >> 2;
1381 ret = gpt->comp[idx];
1382 break;
1383 case 0xC0 ... 0xD0:
1384
1385 idx = (addr - 0xC0) >> 2;
1386 ret = gpt->mask[idx];
1387 break;
1388 default:
1389 ret = -1;
1390 break;
1391 }
1392
1393 return ret;
1394}
1395
1396static void ppc4xx_gpt_writel (void *opaque,
1397 hwaddr addr, uint32_t value)
1398{
1399 ppc4xx_gpt_t *gpt;
1400 int idx;
1401
1402#ifdef DEBUG_I2C
1403 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1404 value);
1405#endif
1406 gpt = opaque;
1407 switch (addr) {
1408 case 0x00:
1409
1410 gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
1411 - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1412 ppc4xx_gpt_compute_timer(gpt);
1413 break;
1414 case 0x10:
1415
1416 gpt->oe = value & 0xF8000000;
1417 ppc4xx_gpt_set_outputs(gpt);
1418 break;
1419 case 0x14:
1420
1421 gpt->ol = value & 0xF8000000;
1422 ppc4xx_gpt_set_outputs(gpt);
1423 break;
1424 case 0x18:
1425
1426 gpt->im = value & 0x0000F800;
1427 break;
1428 case 0x1C:
1429
1430 gpt->is |= value & 0x0000F800;
1431 ppc4xx_gpt_set_irqs(gpt);
1432 break;
1433 case 0x20:
1434
1435 gpt->is &= ~(value & 0x0000F800);
1436 ppc4xx_gpt_set_irqs(gpt);
1437 break;
1438 case 0x24:
1439
1440 gpt->ie = value & 0x0000F800;
1441 ppc4xx_gpt_set_irqs(gpt);
1442 break;
1443 case 0x80 ... 0x90:
1444
1445 idx = (addr - 0x80) >> 2;
1446 gpt->comp[idx] = value & 0xF8000000;
1447 ppc4xx_gpt_compute_timer(gpt);
1448 break;
1449 case 0xC0 ... 0xD0:
1450
1451 idx = (addr - 0xC0) >> 2;
1452 gpt->mask[idx] = value & 0xF8000000;
1453 ppc4xx_gpt_compute_timer(gpt);
1454 break;
1455 }
1456}
1457
1458static const MemoryRegionOps gpt_ops = {
1459 .old_mmio = {
1460 .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
1461 .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
1462 },
1463 .endianness = DEVICE_NATIVE_ENDIAN,
1464};
1465
1466static void ppc4xx_gpt_cb (void *opaque)
1467{
1468 ppc4xx_gpt_t *gpt;
1469
1470 gpt = opaque;
1471 ppc4xx_gpt_set_irqs(gpt);
1472 ppc4xx_gpt_set_outputs(gpt);
1473 ppc4xx_gpt_compute_timer(gpt);
1474}
1475
1476static void ppc4xx_gpt_reset (void *opaque)
1477{
1478 ppc4xx_gpt_t *gpt;
1479 int i;
1480
1481 gpt = opaque;
1482 timer_del(gpt->timer);
1483 gpt->oe = 0x00000000;
1484 gpt->ol = 0x00000000;
1485 gpt->im = 0x00000000;
1486 gpt->is = 0x00000000;
1487 gpt->ie = 0x00000000;
1488 for (i = 0; i < 5; i++) {
1489 gpt->comp[i] = 0x00000000;
1490 gpt->mask[i] = 0x00000000;
1491 }
1492}
1493
1494static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1495{
1496 ppc4xx_gpt_t *gpt;
1497 int i;
1498
1499 gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1500 for (i = 0; i < 5; i++) {
1501 gpt->irqs[i] = irqs[i];
1502 }
1503 gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt);
1504#ifdef DEBUG_GPT
1505 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1506#endif
1507 memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4);
1508 memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1509 qemu_register_reset(ppc4xx_gpt_reset, gpt);
1510}
1511
1512
1513
1514enum {
1515 MAL0_CFG = 0x180,
1516 MAL0_ESR = 0x181,
1517 MAL0_IER = 0x182,
1518 MAL0_TXCASR = 0x184,
1519 MAL0_TXCARR = 0x185,
1520 MAL0_TXEOBISR = 0x186,
1521 MAL0_TXDEIR = 0x187,
1522 MAL0_RXCASR = 0x190,
1523 MAL0_RXCARR = 0x191,
1524 MAL0_RXEOBISR = 0x192,
1525 MAL0_RXDEIR = 0x193,
1526 MAL0_TXCTP0R = 0x1A0,
1527 MAL0_TXCTP1R = 0x1A1,
1528 MAL0_TXCTP2R = 0x1A2,
1529 MAL0_TXCTP3R = 0x1A3,
1530 MAL0_RXCTP0R = 0x1C0,
1531 MAL0_RXCTP1R = 0x1C1,
1532 MAL0_RCBS0 = 0x1E0,
1533 MAL0_RCBS1 = 0x1E1,
1534};
1535
1536typedef struct ppc40x_mal_t ppc40x_mal_t;
1537struct ppc40x_mal_t {
1538 qemu_irq irqs[4];
1539 uint32_t cfg;
1540 uint32_t esr;
1541 uint32_t ier;
1542 uint32_t txcasr;
1543 uint32_t txcarr;
1544 uint32_t txeobisr;
1545 uint32_t txdeir;
1546 uint32_t rxcasr;
1547 uint32_t rxcarr;
1548 uint32_t rxeobisr;
1549 uint32_t rxdeir;
1550 uint32_t txctpr[4];
1551 uint32_t rxctpr[2];
1552 uint32_t rcbs[2];
1553};
1554
1555static void ppc40x_mal_reset (void *opaque);
1556
1557static uint32_t dcr_read_mal (void *opaque, int dcrn)
1558{
1559 ppc40x_mal_t *mal;
1560 uint32_t ret;
1561
1562 mal = opaque;
1563 switch (dcrn) {
1564 case MAL0_CFG:
1565 ret = mal->cfg;
1566 break;
1567 case MAL0_ESR:
1568 ret = mal->esr;
1569 break;
1570 case MAL0_IER:
1571 ret = mal->ier;
1572 break;
1573 case MAL0_TXCASR:
1574 ret = mal->txcasr;
1575 break;
1576 case MAL0_TXCARR:
1577 ret = mal->txcarr;
1578 break;
1579 case MAL0_TXEOBISR:
1580 ret = mal->txeobisr;
1581 break;
1582 case MAL0_TXDEIR:
1583 ret = mal->txdeir;
1584 break;
1585 case MAL0_RXCASR:
1586 ret = mal->rxcasr;
1587 break;
1588 case MAL0_RXCARR:
1589 ret = mal->rxcarr;
1590 break;
1591 case MAL0_RXEOBISR:
1592 ret = mal->rxeobisr;
1593 break;
1594 case MAL0_RXDEIR:
1595 ret = mal->rxdeir;
1596 break;
1597 case MAL0_TXCTP0R:
1598 ret = mal->txctpr[0];
1599 break;
1600 case MAL0_TXCTP1R:
1601 ret = mal->txctpr[1];
1602 break;
1603 case MAL0_TXCTP2R:
1604 ret = mal->txctpr[2];
1605 break;
1606 case MAL0_TXCTP3R:
1607 ret = mal->txctpr[3];
1608 break;
1609 case MAL0_RXCTP0R:
1610 ret = mal->rxctpr[0];
1611 break;
1612 case MAL0_RXCTP1R:
1613 ret = mal->rxctpr[1];
1614 break;
1615 case MAL0_RCBS0:
1616 ret = mal->rcbs[0];
1617 break;
1618 case MAL0_RCBS1:
1619 ret = mal->rcbs[1];
1620 break;
1621 default:
1622 ret = 0;
1623 break;
1624 }
1625
1626 return ret;
1627}
1628
1629static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1630{
1631 ppc40x_mal_t *mal;
1632 int idx;
1633
1634 mal = opaque;
1635 switch (dcrn) {
1636 case MAL0_CFG:
1637 if (val & 0x80000000)
1638 ppc40x_mal_reset(mal);
1639 mal->cfg = val & 0x00FFC087;
1640 break;
1641 case MAL0_ESR:
1642
1643 mal->esr &= ~val;
1644 break;
1645 case MAL0_IER:
1646 mal->ier = val & 0x0000001F;
1647 break;
1648 case MAL0_TXCASR:
1649 mal->txcasr = val & 0xF0000000;
1650 break;
1651 case MAL0_TXCARR:
1652 mal->txcarr = val & 0xF0000000;
1653 break;
1654 case MAL0_TXEOBISR:
1655
1656 mal->txeobisr &= ~val;
1657 break;
1658 case MAL0_TXDEIR:
1659
1660 mal->txdeir &= ~val;
1661 break;
1662 case MAL0_RXCASR:
1663 mal->rxcasr = val & 0xC0000000;
1664 break;
1665 case MAL0_RXCARR:
1666 mal->rxcarr = val & 0xC0000000;
1667 break;
1668 case MAL0_RXEOBISR:
1669
1670 mal->rxeobisr &= ~val;
1671 break;
1672 case MAL0_RXDEIR:
1673
1674 mal->rxdeir &= ~val;
1675 break;
1676 case MAL0_TXCTP0R:
1677 idx = 0;
1678 goto update_tx_ptr;
1679 case MAL0_TXCTP1R:
1680 idx = 1;
1681 goto update_tx_ptr;
1682 case MAL0_TXCTP2R:
1683 idx = 2;
1684 goto update_tx_ptr;
1685 case MAL0_TXCTP3R:
1686 idx = 3;
1687 update_tx_ptr:
1688 mal->txctpr[idx] = val;
1689 break;
1690 case MAL0_RXCTP0R:
1691 idx = 0;
1692 goto update_rx_ptr;
1693 case MAL0_RXCTP1R:
1694 idx = 1;
1695 update_rx_ptr:
1696 mal->rxctpr[idx] = val;
1697 break;
1698 case MAL0_RCBS0:
1699 idx = 0;
1700 goto update_rx_size;
1701 case MAL0_RCBS1:
1702 idx = 1;
1703 update_rx_size:
1704 mal->rcbs[idx] = val & 0x000000FF;
1705 break;
1706 }
1707}
1708
1709static void ppc40x_mal_reset (void *opaque)
1710{
1711 ppc40x_mal_t *mal;
1712
1713 mal = opaque;
1714 mal->cfg = 0x0007C000;
1715 mal->esr = 0x00000000;
1716 mal->ier = 0x00000000;
1717 mal->rxcasr = 0x00000000;
1718 mal->rxdeir = 0x00000000;
1719 mal->rxeobisr = 0x00000000;
1720 mal->txcasr = 0x00000000;
1721 mal->txdeir = 0x00000000;
1722 mal->txeobisr = 0x00000000;
1723}
1724
1725static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
1726{
1727 ppc40x_mal_t *mal;
1728 int i;
1729
1730 mal = g_malloc0(sizeof(ppc40x_mal_t));
1731 for (i = 0; i < 4; i++)
1732 mal->irqs[i] = irqs[i];
1733 qemu_register_reset(&ppc40x_mal_reset, mal);
1734 ppc_dcr_register(env, MAL0_CFG,
1735 mal, &dcr_read_mal, &dcr_write_mal);
1736 ppc_dcr_register(env, MAL0_ESR,
1737 mal, &dcr_read_mal, &dcr_write_mal);
1738 ppc_dcr_register(env, MAL0_IER,
1739 mal, &dcr_read_mal, &dcr_write_mal);
1740 ppc_dcr_register(env, MAL0_TXCASR,
1741 mal, &dcr_read_mal, &dcr_write_mal);
1742 ppc_dcr_register(env, MAL0_TXCARR,
1743 mal, &dcr_read_mal, &dcr_write_mal);
1744 ppc_dcr_register(env, MAL0_TXEOBISR,
1745 mal, &dcr_read_mal, &dcr_write_mal);
1746 ppc_dcr_register(env, MAL0_TXDEIR,
1747 mal, &dcr_read_mal, &dcr_write_mal);
1748 ppc_dcr_register(env, MAL0_RXCASR,
1749 mal, &dcr_read_mal, &dcr_write_mal);
1750 ppc_dcr_register(env, MAL0_RXCARR,
1751 mal, &dcr_read_mal, &dcr_write_mal);
1752 ppc_dcr_register(env, MAL0_RXEOBISR,
1753 mal, &dcr_read_mal, &dcr_write_mal);
1754 ppc_dcr_register(env, MAL0_RXDEIR,
1755 mal, &dcr_read_mal, &dcr_write_mal);
1756 ppc_dcr_register(env, MAL0_TXCTP0R,
1757 mal, &dcr_read_mal, &dcr_write_mal);
1758 ppc_dcr_register(env, MAL0_TXCTP1R,
1759 mal, &dcr_read_mal, &dcr_write_mal);
1760 ppc_dcr_register(env, MAL0_TXCTP2R,
1761 mal, &dcr_read_mal, &dcr_write_mal);
1762 ppc_dcr_register(env, MAL0_TXCTP3R,
1763 mal, &dcr_read_mal, &dcr_write_mal);
1764 ppc_dcr_register(env, MAL0_RXCTP0R,
1765 mal, &dcr_read_mal, &dcr_write_mal);
1766 ppc_dcr_register(env, MAL0_RXCTP1R,
1767 mal, &dcr_read_mal, &dcr_write_mal);
1768 ppc_dcr_register(env, MAL0_RCBS0,
1769 mal, &dcr_read_mal, &dcr_write_mal);
1770 ppc_dcr_register(env, MAL0_RCBS1,
1771 mal, &dcr_read_mal, &dcr_write_mal);
1772}
1773
1774
1775
1776void ppc40x_core_reset(PowerPCCPU *cpu)
1777{
1778 CPUPPCState *env = &cpu->env;
1779 target_ulong dbsr;
1780
1781 printf("Reset PowerPC core\n");
1782 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1783 dbsr = env->spr[SPR_40x_DBSR];
1784 dbsr &= ~0x00000300;
1785 dbsr |= 0x00000100;
1786 env->spr[SPR_40x_DBSR] = dbsr;
1787}
1788
1789void ppc40x_chip_reset(PowerPCCPU *cpu)
1790{
1791 CPUPPCState *env = &cpu->env;
1792 target_ulong dbsr;
1793
1794 printf("Reset PowerPC chip\n");
1795 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1796
1797 dbsr = env->spr[SPR_40x_DBSR];
1798 dbsr &= ~0x00000300;
1799 dbsr |= 0x00000200;
1800 env->spr[SPR_40x_DBSR] = dbsr;
1801}
1802
1803void ppc40x_system_reset(PowerPCCPU *cpu)
1804{
1805 printf("Reset PowerPC system\n");
1806 qemu_system_reset_request();
1807}
1808
1809void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
1810{
1811 PowerPCCPU *cpu = ppc_env_get_cpu(env);
1812
1813 switch ((val >> 28) & 0x3) {
1814 case 0x0:
1815
1816 break;
1817 case 0x1:
1818
1819 ppc40x_core_reset(cpu);
1820 break;
1821 case 0x2:
1822
1823 ppc40x_chip_reset(cpu);
1824 break;
1825 case 0x3:
1826
1827 ppc40x_system_reset(cpu);
1828 break;
1829 }
1830}
1831
1832
1833
1834enum {
1835 PPC405CR_CPC0_PLLMR = 0x0B0,
1836 PPC405CR_CPC0_CR0 = 0x0B1,
1837 PPC405CR_CPC0_CR1 = 0x0B2,
1838 PPC405CR_CPC0_PSR = 0x0B4,
1839 PPC405CR_CPC0_JTAGID = 0x0B5,
1840 PPC405CR_CPC0_ER = 0x0B9,
1841 PPC405CR_CPC0_FR = 0x0BA,
1842 PPC405CR_CPC0_SR = 0x0BB,
1843};
1844
1845enum {
1846 PPC405CR_CPU_CLK = 0,
1847 PPC405CR_TMR_CLK = 1,
1848 PPC405CR_PLB_CLK = 2,
1849 PPC405CR_SDRAM_CLK = 3,
1850 PPC405CR_OPB_CLK = 4,
1851 PPC405CR_EXT_CLK = 5,
1852 PPC405CR_UART_CLK = 6,
1853 PPC405CR_CLK_NB = 7,
1854};
1855
1856typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1857struct ppc405cr_cpc_t {
1858 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1859 uint32_t sysclk;
1860 uint32_t psr;
1861 uint32_t cr0;
1862 uint32_t cr1;
1863 uint32_t jtagid;
1864 uint32_t pllmr;
1865 uint32_t er;
1866 uint32_t fr;
1867};
1868
1869static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1870{
1871 uint64_t VCO_out, PLL_out;
1872 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1873 int M, D0, D1, D2;
1874
1875 D0 = ((cpc->pllmr >> 26) & 0x3) + 1;
1876 if (cpc->pllmr & 0x80000000) {
1877 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1;
1878 D2 = 8 - ((cpc->pllmr >> 16) & 0x7);
1879 M = D0 * D1 * D2;
1880 VCO_out = cpc->sysclk * M;
1881 if (VCO_out < 400000000 || VCO_out > 800000000) {
1882
1883 cpc->pllmr &= ~0x80000000;
1884 goto bypass_pll;
1885 }
1886 PLL_out = VCO_out / D2;
1887 } else {
1888
1889 bypass_pll:
1890 M = D0;
1891 PLL_out = cpc->sysclk * M;
1892 }
1893 CPU_clk = PLL_out;
1894 if (cpc->cr1 & 0x00800000)
1895 TMR_clk = cpc->sysclk;
1896 else
1897 TMR_clk = CPU_clk;
1898 PLB_clk = CPU_clk / D0;
1899 SDRAM_clk = PLB_clk;
1900 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1901 OPB_clk = PLB_clk / D0;
1902 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1903 EXT_clk = PLB_clk / D0;
1904 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1905 UART_clk = CPU_clk / D0;
1906
1907 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1908
1909 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1910
1911 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1912
1913 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1914
1915 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1916
1917 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1918
1919 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1920}
1921
1922static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1923{
1924 ppc405cr_cpc_t *cpc;
1925 uint32_t ret;
1926
1927 cpc = opaque;
1928 switch (dcrn) {
1929 case PPC405CR_CPC0_PLLMR:
1930 ret = cpc->pllmr;
1931 break;
1932 case PPC405CR_CPC0_CR0:
1933 ret = cpc->cr0;
1934 break;
1935 case PPC405CR_CPC0_CR1:
1936 ret = cpc->cr1;
1937 break;
1938 case PPC405CR_CPC0_PSR:
1939 ret = cpc->psr;
1940 break;
1941 case PPC405CR_CPC0_JTAGID:
1942 ret = cpc->jtagid;
1943 break;
1944 case PPC405CR_CPC0_ER:
1945 ret = cpc->er;
1946 break;
1947 case PPC405CR_CPC0_FR:
1948 ret = cpc->fr;
1949 break;
1950 case PPC405CR_CPC0_SR:
1951 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1952 break;
1953 default:
1954
1955 ret = 0;
1956 break;
1957 }
1958
1959 return ret;
1960}
1961
1962static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1963{
1964 ppc405cr_cpc_t *cpc;
1965
1966 cpc = opaque;
1967 switch (dcrn) {
1968 case PPC405CR_CPC0_PLLMR:
1969 cpc->pllmr = val & 0xFFF77C3F;
1970 break;
1971 case PPC405CR_CPC0_CR0:
1972 cpc->cr0 = val & 0x0FFFFFFE;
1973 break;
1974 case PPC405CR_CPC0_CR1:
1975 cpc->cr1 = val & 0x00800000;
1976 break;
1977 case PPC405CR_CPC0_PSR:
1978
1979 break;
1980 case PPC405CR_CPC0_JTAGID:
1981
1982 break;
1983 case PPC405CR_CPC0_ER:
1984 cpc->er = val & 0xBFFC0000;
1985 break;
1986 case PPC405CR_CPC0_FR:
1987 cpc->fr = val & 0xBFFC0000;
1988 break;
1989 case PPC405CR_CPC0_SR:
1990
1991 break;
1992 }
1993}
1994
1995static void ppc405cr_cpc_reset (void *opaque)
1996{
1997 ppc405cr_cpc_t *cpc;
1998 int D;
1999
2000 cpc = opaque;
2001
2002 cpc->pllmr = 0x80000000;
2003
2004 switch ((cpc->psr >> 30) & 3) {
2005 case 0:
2006
2007 cpc->pllmr &= ~0x80000000;
2008 break;
2009 case 1:
2010
2011 cpc->pllmr |= 5 << 16;
2012 break;
2013 case 2:
2014
2015 cpc->pllmr |= 4 << 16;
2016 break;
2017 case 3:
2018
2019 cpc->pllmr |= 2 << 16;
2020 break;
2021 }
2022
2023 D = (cpc->psr >> 28) & 3;
2024 cpc->pllmr |= (D + 1) << 20;
2025
2026 D = (cpc->psr >> 25) & 7;
2027 switch (D) {
2028 case 0x2:
2029 cpc->pllmr |= 0x13;
2030 break;
2031 case 0x4:
2032 cpc->pllmr |= 0x15;
2033 break;
2034 case 0x5:
2035 cpc->pllmr |= 0x16;
2036 break;
2037 default:
2038 break;
2039 }
2040
2041 D = (cpc->psr >> 23) & 3;
2042 cpc->pllmr |= D << 26;
2043
2044 D = (cpc->psr >> 21) & 3;
2045 cpc->pllmr |= D << 10;
2046
2047 D = (cpc->psr >> 17) & 3;
2048 cpc->pllmr |= D << 24;
2049 cpc->cr0 = 0x0000003C;
2050 cpc->cr1 = 0x2B0D8800;
2051 cpc->er = 0x00000000;
2052 cpc->fr = 0x00000000;
2053 ppc405cr_clk_setup(cpc);
2054}
2055
2056static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2057{
2058 int D;
2059
2060
2061 cpc->psr = 0x00000000;
2062
2063 D = 0x2;
2064 cpc->psr |= D << 30;
2065
2066 D = 0x1;
2067 cpc->psr |= D << 28;
2068
2069 D = 0x1;
2070 cpc->psr |= D << 23;
2071
2072 D = 0x5;
2073 cpc->psr |= D << 25;
2074
2075 D = 0x1;
2076 cpc->psr |= D << 21;
2077
2078 D = 0x2;
2079 cpc->psr |= D << 17;
2080}
2081
2082static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
2083 uint32_t sysclk)
2084{
2085 ppc405cr_cpc_t *cpc;
2086
2087 cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
2088 memcpy(cpc->clk_setup, clk_setup,
2089 PPC405CR_CLK_NB * sizeof(clk_setup_t));
2090 cpc->sysclk = sysclk;
2091 cpc->jtagid = 0x42051049;
2092 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2093 &dcr_read_crcpc, &dcr_write_crcpc);
2094 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2095 &dcr_read_crcpc, &dcr_write_crcpc);
2096 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2097 &dcr_read_crcpc, &dcr_write_crcpc);
2098 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2099 &dcr_read_crcpc, &dcr_write_crcpc);
2100 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2101 &dcr_read_crcpc, &dcr_write_crcpc);
2102 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2103 &dcr_read_crcpc, &dcr_write_crcpc);
2104 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2105 &dcr_read_crcpc, &dcr_write_crcpc);
2106 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2107 &dcr_read_crcpc, &dcr_write_crcpc);
2108 ppc405cr_clk_init(cpc);
2109 qemu_register_reset(ppc405cr_cpc_reset, cpc);
2110}
2111
2112CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
2113 MemoryRegion ram_memories[4],
2114 hwaddr ram_bases[4],
2115 hwaddr ram_sizes[4],
2116 uint32_t sysclk, qemu_irq **picp,
2117 int do_init)
2118{
2119 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2120 qemu_irq dma_irqs[4];
2121 PowerPCCPU *cpu;
2122 CPUPPCState *env;
2123 qemu_irq *pic, *irqs;
2124
2125 memset(clk_setup, 0, sizeof(clk_setup));
2126 cpu = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2127 &clk_setup[PPC405CR_TMR_CLK], sysclk);
2128 env = &cpu->env;
2129
2130
2131 ppc4xx_plb_init(env);
2132
2133 ppc4xx_pob_init(env);
2134
2135 ppc4xx_opba_init(0xef600600);
2136
2137 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2138 irqs[PPCUIC_OUTPUT_INT] =
2139 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2140 irqs[PPCUIC_OUTPUT_CINT] =
2141 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2142 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2143 *picp = pic;
2144
2145 ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
2146 ram_bases, ram_sizes, do_init);
2147
2148 ppc405_ebc_init(env);
2149
2150 dma_irqs[0] = pic[26];
2151 dma_irqs[1] = pic[25];
2152 dma_irqs[2] = pic[24];
2153 dma_irqs[3] = pic[23];
2154 ppc405_dma_init(env, dma_irqs);
2155
2156 if (serial_hds[0] != NULL) {
2157 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2158 PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2159 DEVICE_BIG_ENDIAN);
2160 }
2161 if (serial_hds[1] != NULL) {
2162 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2163 PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2164 DEVICE_BIG_ENDIAN);
2165 }
2166
2167 ppc405_i2c_init(0xef600500, pic[2]);
2168
2169 ppc405_gpio_init(0xef600700);
2170
2171 ppc405cr_cpc_init(env, clk_setup, sysclk);
2172
2173 return env;
2174}
2175
2176
2177
2178
2179enum {
2180 PPC405EP_CPC0_PLLMR0 = 0x0F0,
2181 PPC405EP_CPC0_BOOT = 0x0F1,
2182 PPC405EP_CPC0_EPCTL = 0x0F3,
2183 PPC405EP_CPC0_PLLMR1 = 0x0F4,
2184 PPC405EP_CPC0_UCR = 0x0F5,
2185 PPC405EP_CPC0_SRR = 0x0F6,
2186 PPC405EP_CPC0_JTAGID = 0x0F7,
2187 PPC405EP_CPC0_PCI = 0x0F9,
2188#if 0
2189 PPC405EP_CPC0_ER = xxx,
2190 PPC405EP_CPC0_FR = xxx,
2191 PPC405EP_CPC0_SR = xxx,
2192#endif
2193};
2194
2195enum {
2196 PPC405EP_CPU_CLK = 0,
2197 PPC405EP_PLB_CLK = 1,
2198 PPC405EP_OPB_CLK = 2,
2199 PPC405EP_EBC_CLK = 3,
2200 PPC405EP_MAL_CLK = 4,
2201 PPC405EP_PCI_CLK = 5,
2202 PPC405EP_UART0_CLK = 6,
2203 PPC405EP_UART1_CLK = 7,
2204 PPC405EP_CLK_NB = 8,
2205};
2206
2207typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2208struct ppc405ep_cpc_t {
2209 uint32_t sysclk;
2210 clk_setup_t clk_setup[PPC405EP_CLK_NB];
2211 uint32_t boot;
2212 uint32_t epctl;
2213 uint32_t pllmr[2];
2214 uint32_t ucr;
2215 uint32_t srr;
2216 uint32_t jtagid;
2217 uint32_t pci;
2218
2219 uint32_t er;
2220 uint32_t fr;
2221 uint32_t sr;
2222};
2223
2224static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2225{
2226 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2227 uint32_t UART0_clk, UART1_clk;
2228 uint64_t VCO_out, PLL_out;
2229 int M, D;
2230
2231 VCO_out = 0;
2232 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2233 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1;
2234#ifdef DEBUG_CLOCKS_LL
2235 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2236#endif
2237 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7);
2238#ifdef DEBUG_CLOCKS_LL
2239 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2240#endif
2241 VCO_out = cpc->sysclk * M * D;
2242 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2243
2244 printf("VCO out of range %" PRIu64 "\n", VCO_out);
2245#if 0
2246 cpc->pllmr[1] &= ~0x80000000;
2247 goto pll_bypass;
2248#endif
2249 }
2250 PLL_out = VCO_out / D;
2251
2252 cpc->boot |= 0x00000001;
2253 } else {
2254#if 0
2255 pll_bypass:
2256#endif
2257 PLL_out = cpc->sysclk;
2258 if (cpc->pllmr[1] & 0x40000000) {
2259
2260 cpc->boot &= ~0x00000001;
2261 }
2262 }
2263
2264 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1;
2265#ifdef DEBUG_CLOCKS_LL
2266 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2267#endif
2268 CPU_clk = PLL_out / D;
2269 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1;
2270#ifdef DEBUG_CLOCKS_LL
2271 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2272#endif
2273 PLB_clk = CPU_clk / D;
2274 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1;
2275#ifdef DEBUG_CLOCKS_LL
2276 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2277#endif
2278 OPB_clk = PLB_clk / D;
2279 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2;
2280#ifdef DEBUG_CLOCKS_LL
2281 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2282#endif
2283 EBC_clk = PLB_clk / D;
2284 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1;
2285#ifdef DEBUG_CLOCKS_LL
2286 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2287#endif
2288 MAL_clk = PLB_clk / D;
2289 D = (cpc->pllmr[0] & 0x3) + 1;
2290#ifdef DEBUG_CLOCKS_LL
2291 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2292#endif
2293 PCI_clk = PLB_clk / D;
2294 D = ((cpc->ucr - 1) & 0x7F) + 1;
2295#ifdef DEBUG_CLOCKS_LL
2296 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2297#endif
2298 UART0_clk = PLL_out / D;
2299 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1;
2300#ifdef DEBUG_CLOCKS_LL
2301 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2302#endif
2303 UART1_clk = PLL_out / D;
2304#ifdef DEBUG_CLOCKS
2305 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2306 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2307 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2308 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2309 " UART1 %" PRIu32 "\n",
2310 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2311 UART0_clk, UART1_clk);
2312#endif
2313
2314 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2315
2316 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2317
2318 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2319
2320 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2321
2322 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2323
2324 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2325
2326 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2327
2328 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2329}
2330
2331static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2332{
2333 ppc405ep_cpc_t *cpc;
2334 uint32_t ret;
2335
2336 cpc = opaque;
2337 switch (dcrn) {
2338 case PPC405EP_CPC0_BOOT:
2339 ret = cpc->boot;
2340 break;
2341 case PPC405EP_CPC0_EPCTL:
2342 ret = cpc->epctl;
2343 break;
2344 case PPC405EP_CPC0_PLLMR0:
2345 ret = cpc->pllmr[0];
2346 break;
2347 case PPC405EP_CPC0_PLLMR1:
2348 ret = cpc->pllmr[1];
2349 break;
2350 case PPC405EP_CPC0_UCR:
2351 ret = cpc->ucr;
2352 break;
2353 case PPC405EP_CPC0_SRR:
2354 ret = cpc->srr;
2355 break;
2356 case PPC405EP_CPC0_JTAGID:
2357 ret = cpc->jtagid;
2358 break;
2359 case PPC405EP_CPC0_PCI:
2360 ret = cpc->pci;
2361 break;
2362 default:
2363
2364 ret = 0;
2365 break;
2366 }
2367
2368 return ret;
2369}
2370
2371static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2372{
2373 ppc405ep_cpc_t *cpc;
2374
2375 cpc = opaque;
2376 switch (dcrn) {
2377 case PPC405EP_CPC0_BOOT:
2378
2379 break;
2380 case PPC405EP_CPC0_EPCTL:
2381
2382 cpc->epctl = val & 0xC00000F3;
2383 break;
2384 case PPC405EP_CPC0_PLLMR0:
2385 cpc->pllmr[0] = val & 0x00633333;
2386 ppc405ep_compute_clocks(cpc);
2387 break;
2388 case PPC405EP_CPC0_PLLMR1:
2389 cpc->pllmr[1] = val & 0xC0F73FFF;
2390 ppc405ep_compute_clocks(cpc);
2391 break;
2392 case PPC405EP_CPC0_UCR:
2393
2394 cpc->ucr = val & 0x003F7F7F;
2395 break;
2396 case PPC405EP_CPC0_SRR:
2397 cpc->srr = val;
2398 break;
2399 case PPC405EP_CPC0_JTAGID:
2400
2401 break;
2402 case PPC405EP_CPC0_PCI:
2403 cpc->pci = val;
2404 break;
2405 }
2406}
2407
2408static void ppc405ep_cpc_reset (void *opaque)
2409{
2410 ppc405ep_cpc_t *cpc = opaque;
2411
2412 cpc->boot = 0x00000010;
2413 cpc->epctl = 0x00000000;
2414 cpc->pllmr[0] = 0x00011010;
2415 cpc->pllmr[1] = 0x40000000;
2416 cpc->ucr = 0x00000000;
2417 cpc->srr = 0x00040000;
2418 cpc->pci = 0x00000000;
2419 cpc->er = 0x00000000;
2420 cpc->fr = 0x00000000;
2421 cpc->sr = 0x00000000;
2422 ppc405ep_compute_clocks(cpc);
2423}
2424
2425
2426static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
2427 uint32_t sysclk)
2428{
2429 ppc405ep_cpc_t *cpc;
2430
2431 cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
2432 memcpy(cpc->clk_setup, clk_setup,
2433 PPC405EP_CLK_NB * sizeof(clk_setup_t));
2434 cpc->jtagid = 0x20267049;
2435 cpc->sysclk = sysclk;
2436 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2437 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2438 &dcr_read_epcpc, &dcr_write_epcpc);
2439 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2440 &dcr_read_epcpc, &dcr_write_epcpc);
2441 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2442 &dcr_read_epcpc, &dcr_write_epcpc);
2443 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2444 &dcr_read_epcpc, &dcr_write_epcpc);
2445 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2446 &dcr_read_epcpc, &dcr_write_epcpc);
2447 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2448 &dcr_read_epcpc, &dcr_write_epcpc);
2449 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2450 &dcr_read_epcpc, &dcr_write_epcpc);
2451 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2452 &dcr_read_epcpc, &dcr_write_epcpc);
2453#if 0
2454 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2455 &dcr_read_epcpc, &dcr_write_epcpc);
2456 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2457 &dcr_read_epcpc, &dcr_write_epcpc);
2458 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2459 &dcr_read_epcpc, &dcr_write_epcpc);
2460#endif
2461}
2462
2463CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
2464 MemoryRegion ram_memories[2],
2465 hwaddr ram_bases[2],
2466 hwaddr ram_sizes[2],
2467 uint32_t sysclk, qemu_irq **picp,
2468 int do_init)
2469{
2470 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2471 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2472 PowerPCCPU *cpu;
2473 CPUPPCState *env;
2474 qemu_irq *pic, *irqs;
2475
2476 memset(clk_setup, 0, sizeof(clk_setup));
2477
2478 cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2479 &tlb_clk_setup, sysclk);
2480 env = &cpu->env;
2481 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2482 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2483
2484
2485
2486 ppc4xx_plb_init(env);
2487
2488 ppc4xx_pob_init(env);
2489
2490 ppc4xx_opba_init(0xef600600);
2491
2492 ppc_booke_timers_init(cpu, sysclk, 0);
2493
2494 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2495 irqs[PPCUIC_OUTPUT_INT] =
2496 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2497 irqs[PPCUIC_OUTPUT_CINT] =
2498 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2499 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2500 *picp = pic;
2501
2502
2503 ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
2504 ram_bases, ram_sizes, do_init);
2505
2506 ppc405_ebc_init(env);
2507
2508 dma_irqs[0] = pic[5];
2509 dma_irqs[1] = pic[6];
2510 dma_irqs[2] = pic[7];
2511 dma_irqs[3] = pic[8];
2512 ppc405_dma_init(env, dma_irqs);
2513
2514 ppc405_i2c_init(0xef600500, pic[2]);
2515
2516 ppc405_gpio_init(0xef600700);
2517
2518 if (serial_hds[0] != NULL) {
2519 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2520 PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2521 DEVICE_BIG_ENDIAN);
2522 }
2523 if (serial_hds[1] != NULL) {
2524 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2525 PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2526 DEVICE_BIG_ENDIAN);
2527 }
2528
2529 ppc405_ocm_init(env);
2530
2531 gpt_irqs[0] = pic[19];
2532 gpt_irqs[1] = pic[20];
2533 gpt_irqs[2] = pic[21];
2534 gpt_irqs[3] = pic[22];
2535 gpt_irqs[4] = pic[23];
2536 ppc4xx_gpt_init(0xef600000, gpt_irqs);
2537
2538
2539
2540 mal_irqs[0] = pic[11];
2541 mal_irqs[1] = pic[12];
2542 mal_irqs[2] = pic[13];
2543 mal_irqs[3] = pic[14];
2544 ppc405_mal_init(env, mal_irqs);
2545
2546
2547
2548 ppc405ep_cpc_init(env, clk_setup, sysclk);
2549
2550 return env;
2551}
2552
