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24#include "qemu/osdep.h"
25#include "qemu/units.h"
26#include "qapi/error.h"
27#include "qemu-common.h"
28#include "cpu.h"
29#include "hw/hw.h"
30#include "hw/ppc/ppc.h"
31#include "hw/boards.h"
32#include "hw/i2c/ppc4xx_i2c.h"
33#include "ppc405.h"
34#include "hw/char/serial.h"
35#include "qemu/timer.h"
36#include "sysemu/sysemu.h"
37#include "qemu/log.h"
38#include "exec/address-spaces.h"
39
40
41
42
43
44
45
46
47
48
49ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
50 uint32_t flags)
51{
52 CPUState *cs = CPU(ppc_env_get_cpu(env));
53 ram_addr_t bdloc;
54 int i, n;
55
56
57 if (bd->bi_memsize >= 0x01000000UL)
58 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
59 else
60 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
61 stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
62 stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
63 stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
64 stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
65 stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
66 stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
67 stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
68 stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
69 stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
70 for (i = 0; i < 6; i++) {
71 stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
72 }
73 stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
74 stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
75 stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
76 stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
77 for (i = 0; i < 4; i++) {
78 stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
79 }
80 for (i = 0; i < 32; i++) {
81 stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]);
82 }
83 stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq);
84 stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq);
85 for (i = 0; i < 6; i++) {
86 stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
87 }
88 n = 0x6A;
89 if (flags & 0x00000001) {
90 for (i = 0; i < 6; i++)
91 stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]);
92 }
93 stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
94 n += 4;
95 for (i = 0; i < 2; i++) {
96 stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
97 n += 4;
98 }
99
100 return bdloc;
101}
102
103
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105
106
107
108enum {
109 PLB3A0_ACR = 0x077,
110 PLB4A0_ACR = 0x081,
111 PLB0_BESR = 0x084,
112 PLB0_BEAR = 0x086,
113 PLB0_ACR = 0x087,
114 PLB4A1_ACR = 0x089,
115};
116
117typedef struct ppc4xx_plb_t ppc4xx_plb_t;
118struct ppc4xx_plb_t {
119 uint32_t acr;
120 uint32_t bear;
121 uint32_t besr;
122};
123
124static uint32_t dcr_read_plb (void *opaque, int dcrn)
125{
126 ppc4xx_plb_t *plb;
127 uint32_t ret;
128
129 plb = opaque;
130 switch (dcrn) {
131 case PLB0_ACR:
132 ret = plb->acr;
133 break;
134 case PLB0_BEAR:
135 ret = plb->bear;
136 break;
137 case PLB0_BESR:
138 ret = plb->besr;
139 break;
140 default:
141
142 ret = 0;
143 break;
144 }
145
146 return ret;
147}
148
149static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
150{
151 ppc4xx_plb_t *plb;
152
153 plb = opaque;
154 switch (dcrn) {
155 case PLB0_ACR:
156
157
158
159 plb->acr = val & 0xF8000000;
160 break;
161 case PLB0_BEAR:
162
163 break;
164 case PLB0_BESR:
165
166 plb->besr &= ~val;
167 break;
168 }
169}
170
171static void ppc4xx_plb_reset (void *opaque)
172{
173 ppc4xx_plb_t *plb;
174
175 plb = opaque;
176 plb->acr = 0x00000000;
177 plb->bear = 0x00000000;
178 plb->besr = 0x00000000;
179}
180
181void ppc4xx_plb_init(CPUPPCState *env)
182{
183 ppc4xx_plb_t *plb;
184
185 plb = g_malloc0(sizeof(ppc4xx_plb_t));
186 ppc_dcr_register(env, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
187 ppc_dcr_register(env, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
188 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
189 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
190 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
191 ppc_dcr_register(env, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
192 qemu_register_reset(ppc4xx_plb_reset, plb);
193}
194
195
196
197enum {
198 POB0_BESR0 = 0x0A0,
199 POB0_BESR1 = 0x0A2,
200 POB0_BEAR = 0x0A4,
201};
202
203typedef struct ppc4xx_pob_t ppc4xx_pob_t;
204struct ppc4xx_pob_t {
205 uint32_t bear;
206 uint32_t besr0;
207 uint32_t besr1;
208};
209
210static uint32_t dcr_read_pob (void *opaque, int dcrn)
211{
212 ppc4xx_pob_t *pob;
213 uint32_t ret;
214
215 pob = opaque;
216 switch (dcrn) {
217 case POB0_BEAR:
218 ret = pob->bear;
219 break;
220 case POB0_BESR0:
221 ret = pob->besr0;
222 break;
223 case POB0_BESR1:
224 ret = pob->besr1;
225 break;
226 default:
227
228 ret = 0;
229 break;
230 }
231
232 return ret;
233}
234
235static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
236{
237 ppc4xx_pob_t *pob;
238
239 pob = opaque;
240 switch (dcrn) {
241 case POB0_BEAR:
242
243 break;
244 case POB0_BESR0:
245
246 pob->besr0 &= ~val;
247 break;
248 case POB0_BESR1:
249
250 pob->besr1 &= ~val;
251 break;
252 }
253}
254
255static void ppc4xx_pob_reset (void *opaque)
256{
257 ppc4xx_pob_t *pob;
258
259 pob = opaque;
260
261 pob->bear = 0x00000000;
262 pob->besr0 = 0x0000000;
263 pob->besr1 = 0x0000000;
264}
265
266static void ppc4xx_pob_init(CPUPPCState *env)
267{
268 ppc4xx_pob_t *pob;
269
270 pob = g_malloc0(sizeof(ppc4xx_pob_t));
271 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
272 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
273 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
274 qemu_register_reset(ppc4xx_pob_reset, pob);
275}
276
277
278
279typedef struct ppc4xx_opba_t ppc4xx_opba_t;
280struct ppc4xx_opba_t {
281 MemoryRegion io;
282 uint8_t cr;
283 uint8_t pr;
284};
285
286static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size)
287{
288 ppc4xx_opba_t *opba;
289 uint32_t ret;
290
291#ifdef DEBUG_OPBA
292 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
293#endif
294 opba = opaque;
295 switch (addr) {
296 case 0x00:
297 ret = opba->cr;
298 break;
299 case 0x01:
300 ret = opba->pr;
301 break;
302 default:
303 ret = 0x00;
304 break;
305 }
306
307 return ret;
308}
309
310static void opba_writeb(void *opaque, hwaddr addr, uint64_t value,
311 unsigned size)
312{
313 ppc4xx_opba_t *opba;
314
315#ifdef DEBUG_OPBA
316 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
317 value);
318#endif
319 opba = opaque;
320 switch (addr) {
321 case 0x00:
322 opba->cr = value & 0xF8;
323 break;
324 case 0x01:
325 opba->pr = value & 0xFF;
326 break;
327 default:
328 break;
329 }
330}
331static const MemoryRegionOps opba_ops = {
332 .read = opba_readb,
333 .write = opba_writeb,
334 .impl.min_access_size = 1,
335 .impl.max_access_size = 1,
336 .valid.min_access_size = 1,
337 .valid.max_access_size = 4,
338 .endianness = DEVICE_BIG_ENDIAN,
339};
340
341static void ppc4xx_opba_reset (void *opaque)
342{
343 ppc4xx_opba_t *opba;
344
345 opba = opaque;
346 opba->cr = 0x00;
347 opba->pr = 0x11;
348}
349
350static void ppc4xx_opba_init(hwaddr base)
351{
352 ppc4xx_opba_t *opba;
353
354 opba = g_malloc0(sizeof(ppc4xx_opba_t));
355#ifdef DEBUG_OPBA
356 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
357#endif
358 memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002);
359 memory_region_add_subregion(get_system_memory(), base, &opba->io);
360 qemu_register_reset(ppc4xx_opba_reset, opba);
361}
362
363
364
365
366
367
368
369typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
370struct ppc4xx_ebc_t {
371 uint32_t addr;
372 uint32_t bcr[8];
373 uint32_t bap[8];
374 uint32_t bear;
375 uint32_t besr0;
376 uint32_t besr1;
377 uint32_t cfg;
378};
379
380enum {
381 EBC0_CFGADDR = 0x012,
382 EBC0_CFGDATA = 0x013,
383};
384
385static uint32_t dcr_read_ebc (void *opaque, int dcrn)
386{
387 ppc4xx_ebc_t *ebc;
388 uint32_t ret;
389
390 ebc = opaque;
391 switch (dcrn) {
392 case EBC0_CFGADDR:
393 ret = ebc->addr;
394 break;
395 case EBC0_CFGDATA:
396 switch (ebc->addr) {
397 case 0x00:
398 ret = ebc->bcr[0];
399 break;
400 case 0x01:
401 ret = ebc->bcr[1];
402 break;
403 case 0x02:
404 ret = ebc->bcr[2];
405 break;
406 case 0x03:
407 ret = ebc->bcr[3];
408 break;
409 case 0x04:
410 ret = ebc->bcr[4];
411 break;
412 case 0x05:
413 ret = ebc->bcr[5];
414 break;
415 case 0x06:
416 ret = ebc->bcr[6];
417 break;
418 case 0x07:
419 ret = ebc->bcr[7];
420 break;
421 case 0x10:
422 ret = ebc->bap[0];
423 break;
424 case 0x11:
425 ret = ebc->bap[1];
426 break;
427 case 0x12:
428 ret = ebc->bap[2];
429 break;
430 case 0x13:
431 ret = ebc->bap[3];
432 break;
433 case 0x14:
434 ret = ebc->bap[4];
435 break;
436 case 0x15:
437 ret = ebc->bap[5];
438 break;
439 case 0x16:
440 ret = ebc->bap[6];
441 break;
442 case 0x17:
443 ret = ebc->bap[7];
444 break;
445 case 0x20:
446 ret = ebc->bear;
447 break;
448 case 0x21:
449 ret = ebc->besr0;
450 break;
451 case 0x22:
452 ret = ebc->besr1;
453 break;
454 case 0x23:
455 ret = ebc->cfg;
456 break;
457 default:
458 ret = 0x00000000;
459 break;
460 }
461 break;
462 default:
463 ret = 0x00000000;
464 break;
465 }
466
467 return ret;
468}
469
470static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
471{
472 ppc4xx_ebc_t *ebc;
473
474 ebc = opaque;
475 switch (dcrn) {
476 case EBC0_CFGADDR:
477 ebc->addr = val;
478 break;
479 case EBC0_CFGDATA:
480 switch (ebc->addr) {
481 case 0x00:
482 break;
483 case 0x01:
484 break;
485 case 0x02:
486 break;
487 case 0x03:
488 break;
489 case 0x04:
490 break;
491 case 0x05:
492 break;
493 case 0x06:
494 break;
495 case 0x07:
496 break;
497 case 0x10:
498 break;
499 case 0x11:
500 break;
501 case 0x12:
502 break;
503 case 0x13:
504 break;
505 case 0x14:
506 break;
507 case 0x15:
508 break;
509 case 0x16:
510 break;
511 case 0x17:
512 break;
513 case 0x20:
514 break;
515 case 0x21:
516 break;
517 case 0x22:
518 break;
519 case 0x23:
520 break;
521 default:
522 break;
523 }
524 break;
525 default:
526 break;
527 }
528}
529
530static void ebc_reset (void *opaque)
531{
532 ppc4xx_ebc_t *ebc;
533 int i;
534
535 ebc = opaque;
536 ebc->addr = 0x00000000;
537 ebc->bap[0] = 0x7F8FFE80;
538 ebc->bcr[0] = 0xFFE28000;
539 for (i = 0; i < 8; i++) {
540 ebc->bap[i] = 0x00000000;
541 ebc->bcr[i] = 0x00000000;
542 }
543 ebc->besr0 = 0x00000000;
544 ebc->besr1 = 0x00000000;
545 ebc->cfg = 0x80400000;
546}
547
548void ppc405_ebc_init(CPUPPCState *env)
549{
550 ppc4xx_ebc_t *ebc;
551
552 ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
553 qemu_register_reset(&ebc_reset, ebc);
554 ppc_dcr_register(env, EBC0_CFGADDR,
555 ebc, &dcr_read_ebc, &dcr_write_ebc);
556 ppc_dcr_register(env, EBC0_CFGDATA,
557 ebc, &dcr_read_ebc, &dcr_write_ebc);
558}
559
560
561
562enum {
563 DMA0_CR0 = 0x100,
564 DMA0_CT0 = 0x101,
565 DMA0_DA0 = 0x102,
566 DMA0_SA0 = 0x103,
567 DMA0_SG0 = 0x104,
568 DMA0_CR1 = 0x108,
569 DMA0_CT1 = 0x109,
570 DMA0_DA1 = 0x10A,
571 DMA0_SA1 = 0x10B,
572 DMA0_SG1 = 0x10C,
573 DMA0_CR2 = 0x110,
574 DMA0_CT2 = 0x111,
575 DMA0_DA2 = 0x112,
576 DMA0_SA2 = 0x113,
577 DMA0_SG2 = 0x114,
578 DMA0_CR3 = 0x118,
579 DMA0_CT3 = 0x119,
580 DMA0_DA3 = 0x11A,
581 DMA0_SA3 = 0x11B,
582 DMA0_SG3 = 0x11C,
583 DMA0_SR = 0x120,
584 DMA0_SGC = 0x123,
585 DMA0_SLP = 0x125,
586 DMA0_POL = 0x126,
587};
588
589typedef struct ppc405_dma_t ppc405_dma_t;
590struct ppc405_dma_t {
591 qemu_irq irqs[4];
592 uint32_t cr[4];
593 uint32_t ct[4];
594 uint32_t da[4];
595 uint32_t sa[4];
596 uint32_t sg[4];
597 uint32_t sr;
598 uint32_t sgc;
599 uint32_t slp;
600 uint32_t pol;
601};
602
603static uint32_t dcr_read_dma (void *opaque, int dcrn)
604{
605 return 0;
606}
607
608static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
609{
610}
611
612static void ppc405_dma_reset (void *opaque)
613{
614 ppc405_dma_t *dma;
615 int i;
616
617 dma = opaque;
618 for (i = 0; i < 4; i++) {
619 dma->cr[i] = 0x00000000;
620 dma->ct[i] = 0x00000000;
621 dma->da[i] = 0x00000000;
622 dma->sa[i] = 0x00000000;
623 dma->sg[i] = 0x00000000;
624 }
625 dma->sr = 0x00000000;
626 dma->sgc = 0x00000000;
627 dma->slp = 0x7C000000;
628 dma->pol = 0x00000000;
629}
630
631static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
632{
633 ppc405_dma_t *dma;
634
635 dma = g_malloc0(sizeof(ppc405_dma_t));
636 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
637 qemu_register_reset(&ppc405_dma_reset, dma);
638 ppc_dcr_register(env, DMA0_CR0,
639 dma, &dcr_read_dma, &dcr_write_dma);
640 ppc_dcr_register(env, DMA0_CT0,
641 dma, &dcr_read_dma, &dcr_write_dma);
642 ppc_dcr_register(env, DMA0_DA0,
643 dma, &dcr_read_dma, &dcr_write_dma);
644 ppc_dcr_register(env, DMA0_SA0,
645 dma, &dcr_read_dma, &dcr_write_dma);
646 ppc_dcr_register(env, DMA0_SG0,
647 dma, &dcr_read_dma, &dcr_write_dma);
648 ppc_dcr_register(env, DMA0_CR1,
649 dma, &dcr_read_dma, &dcr_write_dma);
650 ppc_dcr_register(env, DMA0_CT1,
651 dma, &dcr_read_dma, &dcr_write_dma);
652 ppc_dcr_register(env, DMA0_DA1,
653 dma, &dcr_read_dma, &dcr_write_dma);
654 ppc_dcr_register(env, DMA0_SA1,
655 dma, &dcr_read_dma, &dcr_write_dma);
656 ppc_dcr_register(env, DMA0_SG1,
657 dma, &dcr_read_dma, &dcr_write_dma);
658 ppc_dcr_register(env, DMA0_CR2,
659 dma, &dcr_read_dma, &dcr_write_dma);
660 ppc_dcr_register(env, DMA0_CT2,
661 dma, &dcr_read_dma, &dcr_write_dma);
662 ppc_dcr_register(env, DMA0_DA2,
663 dma, &dcr_read_dma, &dcr_write_dma);
664 ppc_dcr_register(env, DMA0_SA2,
665 dma, &dcr_read_dma, &dcr_write_dma);
666 ppc_dcr_register(env, DMA0_SG2,
667 dma, &dcr_read_dma, &dcr_write_dma);
668 ppc_dcr_register(env, DMA0_CR3,
669 dma, &dcr_read_dma, &dcr_write_dma);
670 ppc_dcr_register(env, DMA0_CT3,
671 dma, &dcr_read_dma, &dcr_write_dma);
672 ppc_dcr_register(env, DMA0_DA3,
673 dma, &dcr_read_dma, &dcr_write_dma);
674 ppc_dcr_register(env, DMA0_SA3,
675 dma, &dcr_read_dma, &dcr_write_dma);
676 ppc_dcr_register(env, DMA0_SG3,
677 dma, &dcr_read_dma, &dcr_write_dma);
678 ppc_dcr_register(env, DMA0_SR,
679 dma, &dcr_read_dma, &dcr_write_dma);
680 ppc_dcr_register(env, DMA0_SGC,
681 dma, &dcr_read_dma, &dcr_write_dma);
682 ppc_dcr_register(env, DMA0_SLP,
683 dma, &dcr_read_dma, &dcr_write_dma);
684 ppc_dcr_register(env, DMA0_POL,
685 dma, &dcr_read_dma, &dcr_write_dma);
686}
687
688
689
690typedef struct ppc405_gpio_t ppc405_gpio_t;
691struct ppc405_gpio_t {
692 MemoryRegion io;
693 uint32_t or;
694 uint32_t tcr;
695 uint32_t osrh;
696 uint32_t osrl;
697 uint32_t tsrh;
698 uint32_t tsrl;
699 uint32_t odr;
700 uint32_t ir;
701 uint32_t rr1;
702 uint32_t isr1h;
703 uint32_t isr1l;
704};
705
706static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size)
707{
708#ifdef DEBUG_GPIO
709 printf("%s: addr " TARGET_FMT_plx " size %d\n", __func__, addr, size);
710#endif
711
712 return 0;
713}
714
715static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value,
716 unsigned size)
717{
718#ifdef DEBUG_GPIO
719 printf("%s: addr " TARGET_FMT_plx " size %d val %08" PRIx32 "\n",
720 __func__, addr, size, value);
721#endif
722}
723
724static const MemoryRegionOps ppc405_gpio_ops = {
725 .read = ppc405_gpio_read,
726 .write = ppc405_gpio_write,
727 .endianness = DEVICE_NATIVE_ENDIAN,
728};
729
730static void ppc405_gpio_reset (void *opaque)
731{
732}
733
734static void ppc405_gpio_init(hwaddr base)
735{
736 ppc405_gpio_t *gpio;
737
738 gpio = g_malloc0(sizeof(ppc405_gpio_t));
739#ifdef DEBUG_GPIO
740 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
741#endif
742 memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038);
743 memory_region_add_subregion(get_system_memory(), base, &gpio->io);
744 qemu_register_reset(&ppc405_gpio_reset, gpio);
745}
746
747
748
749enum {
750 OCM0_ISARC = 0x018,
751 OCM0_ISACNTL = 0x019,
752 OCM0_DSARC = 0x01A,
753 OCM0_DSACNTL = 0x01B,
754};
755
756typedef struct ppc405_ocm_t ppc405_ocm_t;
757struct ppc405_ocm_t {
758 MemoryRegion ram;
759 MemoryRegion isarc_ram;
760 MemoryRegion dsarc_ram;
761 uint32_t isarc;
762 uint32_t isacntl;
763 uint32_t dsarc;
764 uint32_t dsacntl;
765};
766
767static void ocm_update_mappings (ppc405_ocm_t *ocm,
768 uint32_t isarc, uint32_t isacntl,
769 uint32_t dsarc, uint32_t dsacntl)
770{
771#ifdef DEBUG_OCM
772 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
773 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
774 " (%08" PRIx32 " %08" PRIx32 ")\n",
775 isarc, isacntl, dsarc, dsacntl,
776 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
777#endif
778 if (ocm->isarc != isarc ||
779 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
780 if (ocm->isacntl & 0x80000000) {
781
782 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
783 memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
784 }
785 if (isacntl & 0x80000000) {
786
787#ifdef DEBUG_OCM
788 printf("OCM map ISA %08" PRIx32 "\n", isarc);
789#endif
790 memory_region_add_subregion(get_system_memory(), isarc,
791 &ocm->isarc_ram);
792 }
793 }
794 if (ocm->dsarc != dsarc ||
795 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
796 if (ocm->dsacntl & 0x80000000) {
797
798 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
799
800#ifdef DEBUG_OCM
801 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
802#endif
803 memory_region_del_subregion(get_system_memory(),
804 &ocm->dsarc_ram);
805 }
806 }
807 if (dsacntl & 0x80000000) {
808
809 if (!(isacntl & 0x80000000) || dsarc != isarc) {
810
811#ifdef DEBUG_OCM
812 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
813#endif
814 memory_region_add_subregion(get_system_memory(), dsarc,
815 &ocm->dsarc_ram);
816 }
817 }
818 }
819}
820
821static uint32_t dcr_read_ocm (void *opaque, int dcrn)
822{
823 ppc405_ocm_t *ocm;
824 uint32_t ret;
825
826 ocm = opaque;
827 switch (dcrn) {
828 case OCM0_ISARC:
829 ret = ocm->isarc;
830 break;
831 case OCM0_ISACNTL:
832 ret = ocm->isacntl;
833 break;
834 case OCM0_DSARC:
835 ret = ocm->dsarc;
836 break;
837 case OCM0_DSACNTL:
838 ret = ocm->dsacntl;
839 break;
840 default:
841 ret = 0;
842 break;
843 }
844
845 return ret;
846}
847
848static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
849{
850 ppc405_ocm_t *ocm;
851 uint32_t isarc, dsarc, isacntl, dsacntl;
852
853 ocm = opaque;
854 isarc = ocm->isarc;
855 dsarc = ocm->dsarc;
856 isacntl = ocm->isacntl;
857 dsacntl = ocm->dsacntl;
858 switch (dcrn) {
859 case OCM0_ISARC:
860 isarc = val & 0xFC000000;
861 break;
862 case OCM0_ISACNTL:
863 isacntl = val & 0xC0000000;
864 break;
865 case OCM0_DSARC:
866 isarc = val & 0xFC000000;
867 break;
868 case OCM0_DSACNTL:
869 isacntl = val & 0xC0000000;
870 break;
871 }
872 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
873 ocm->isarc = isarc;
874 ocm->dsarc = dsarc;
875 ocm->isacntl = isacntl;
876 ocm->dsacntl = dsacntl;
877}
878
879static void ocm_reset (void *opaque)
880{
881 ppc405_ocm_t *ocm;
882 uint32_t isarc, dsarc, isacntl, dsacntl;
883
884 ocm = opaque;
885 isarc = 0x00000000;
886 isacntl = 0x00000000;
887 dsarc = 0x00000000;
888 dsacntl = 0x00000000;
889 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
890 ocm->isarc = isarc;
891 ocm->dsarc = dsarc;
892 ocm->isacntl = isacntl;
893 ocm->dsacntl = dsacntl;
894}
895
896static void ppc405_ocm_init(CPUPPCState *env)
897{
898 ppc405_ocm_t *ocm;
899
900 ocm = g_malloc0(sizeof(ppc405_ocm_t));
901
902 memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4 * KiB,
903 &error_fatal);
904 memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc",
905 &ocm->isarc_ram, 0, 4 * KiB);
906 qemu_register_reset(&ocm_reset, ocm);
907 ppc_dcr_register(env, OCM0_ISARC,
908 ocm, &dcr_read_ocm, &dcr_write_ocm);
909 ppc_dcr_register(env, OCM0_ISACNTL,
910 ocm, &dcr_read_ocm, &dcr_write_ocm);
911 ppc_dcr_register(env, OCM0_DSARC,
912 ocm, &dcr_read_ocm, &dcr_write_ocm);
913 ppc_dcr_register(env, OCM0_DSACNTL,
914 ocm, &dcr_read_ocm, &dcr_write_ocm);
915}
916
917
918
919typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
920struct ppc4xx_gpt_t {
921 MemoryRegion iomem;
922 int64_t tb_offset;
923 uint32_t tb_freq;
924 QEMUTimer *timer;
925 qemu_irq irqs[5];
926 uint32_t oe;
927 uint32_t ol;
928 uint32_t im;
929 uint32_t is;
930 uint32_t ie;
931 uint32_t comp[5];
932 uint32_t mask[5];
933};
934
935static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
936{
937
938 return 0;
939}
940
941static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
942{
943
944}
945
946static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
947{
948 uint32_t mask;
949 int i;
950
951 mask = 0x80000000;
952 for (i = 0; i < 5; i++) {
953 if (gpt->oe & mask) {
954
955 if (ppc4xx_gpt_compare(gpt, i)) {
956
957 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
958 } else {
959
960 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
961 }
962 }
963 mask = mask >> 1;
964 }
965}
966
967static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
968{
969 uint32_t mask;
970 int i;
971
972 mask = 0x00008000;
973 for (i = 0; i < 5; i++) {
974 if (gpt->is & gpt->im & mask)
975 qemu_irq_raise(gpt->irqs[i]);
976 else
977 qemu_irq_lower(gpt->irqs[i]);
978 mask = mask >> 1;
979 }
980}
981
982static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
983{
984
985}
986
987static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size)
988{
989 ppc4xx_gpt_t *gpt;
990 uint32_t ret;
991 int idx;
992
993#ifdef DEBUG_GPT
994 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
995#endif
996 gpt = opaque;
997 switch (addr) {
998 case 0x00:
999
1000 ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
1001 gpt->tb_freq, NANOSECONDS_PER_SECOND);
1002 break;
1003 case 0x10:
1004
1005 ret = gpt->oe;
1006 break;
1007 case 0x14:
1008
1009 ret = gpt->ol;
1010 break;
1011 case 0x18:
1012
1013 ret = gpt->im;
1014 break;
1015 case 0x1C:
1016 case 0x20:
1017
1018 ret = gpt->is;
1019 break;
1020 case 0x24:
1021
1022 ret = gpt->ie;
1023 break;
1024 case 0x80 ... 0x90:
1025
1026 idx = (addr - 0x80) >> 2;
1027 ret = gpt->comp[idx];
1028 break;
1029 case 0xC0 ... 0xD0:
1030
1031 idx = (addr - 0xC0) >> 2;
1032 ret = gpt->mask[idx];
1033 break;
1034 default:
1035 ret = -1;
1036 break;
1037 }
1038
1039 return ret;
1040}
1041
1042static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value,
1043 unsigned size)
1044{
1045 ppc4xx_gpt_t *gpt;
1046 int idx;
1047
1048#ifdef DEBUG_I2C
1049 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1050 value);
1051#endif
1052 gpt = opaque;
1053 switch (addr) {
1054 case 0x00:
1055
1056 gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
1057 - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1058 ppc4xx_gpt_compute_timer(gpt);
1059 break;
1060 case 0x10:
1061
1062 gpt->oe = value & 0xF8000000;
1063 ppc4xx_gpt_set_outputs(gpt);
1064 break;
1065 case 0x14:
1066
1067 gpt->ol = value & 0xF8000000;
1068 ppc4xx_gpt_set_outputs(gpt);
1069 break;
1070 case 0x18:
1071
1072 gpt->im = value & 0x0000F800;
1073 break;
1074 case 0x1C:
1075
1076 gpt->is |= value & 0x0000F800;
1077 ppc4xx_gpt_set_irqs(gpt);
1078 break;
1079 case 0x20:
1080
1081 gpt->is &= ~(value & 0x0000F800);
1082 ppc4xx_gpt_set_irqs(gpt);
1083 break;
1084 case 0x24:
1085
1086 gpt->ie = value & 0x0000F800;
1087 ppc4xx_gpt_set_irqs(gpt);
1088 break;
1089 case 0x80 ... 0x90:
1090
1091 idx = (addr - 0x80) >> 2;
1092 gpt->comp[idx] = value & 0xF8000000;
1093 ppc4xx_gpt_compute_timer(gpt);
1094 break;
1095 case 0xC0 ... 0xD0:
1096
1097 idx = (addr - 0xC0) >> 2;
1098 gpt->mask[idx] = value & 0xF8000000;
1099 ppc4xx_gpt_compute_timer(gpt);
1100 break;
1101 }
1102}
1103
1104static const MemoryRegionOps gpt_ops = {
1105 .read = ppc4xx_gpt_read,
1106 .write = ppc4xx_gpt_write,
1107 .valid.min_access_size = 4,
1108 .valid.max_access_size = 4,
1109 .endianness = DEVICE_NATIVE_ENDIAN,
1110};
1111
1112static void ppc4xx_gpt_cb (void *opaque)
1113{
1114 ppc4xx_gpt_t *gpt;
1115
1116 gpt = opaque;
1117 ppc4xx_gpt_set_irqs(gpt);
1118 ppc4xx_gpt_set_outputs(gpt);
1119 ppc4xx_gpt_compute_timer(gpt);
1120}
1121
1122static void ppc4xx_gpt_reset (void *opaque)
1123{
1124 ppc4xx_gpt_t *gpt;
1125 int i;
1126
1127 gpt = opaque;
1128 timer_del(gpt->timer);
1129 gpt->oe = 0x00000000;
1130 gpt->ol = 0x00000000;
1131 gpt->im = 0x00000000;
1132 gpt->is = 0x00000000;
1133 gpt->ie = 0x00000000;
1134 for (i = 0; i < 5; i++) {
1135 gpt->comp[i] = 0x00000000;
1136 gpt->mask[i] = 0x00000000;
1137 }
1138}
1139
1140static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1141{
1142 ppc4xx_gpt_t *gpt;
1143 int i;
1144
1145 gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1146 for (i = 0; i < 5; i++) {
1147 gpt->irqs[i] = irqs[i];
1148 }
1149 gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt);
1150#ifdef DEBUG_GPT
1151 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1152#endif
1153 memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4);
1154 memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1155 qemu_register_reset(ppc4xx_gpt_reset, gpt);
1156}
1157
1158
1159
1160void ppc40x_core_reset(PowerPCCPU *cpu)
1161{
1162 CPUPPCState *env = &cpu->env;
1163 target_ulong dbsr;
1164
1165 printf("Reset PowerPC core\n");
1166 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1167 dbsr = env->spr[SPR_40x_DBSR];
1168 dbsr &= ~0x00000300;
1169 dbsr |= 0x00000100;
1170 env->spr[SPR_40x_DBSR] = dbsr;
1171}
1172
1173void ppc40x_chip_reset(PowerPCCPU *cpu)
1174{
1175 CPUPPCState *env = &cpu->env;
1176 target_ulong dbsr;
1177
1178 printf("Reset PowerPC chip\n");
1179 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1180
1181 dbsr = env->spr[SPR_40x_DBSR];
1182 dbsr &= ~0x00000300;
1183 dbsr |= 0x00000200;
1184 env->spr[SPR_40x_DBSR] = dbsr;
1185}
1186
1187void ppc40x_system_reset(PowerPCCPU *cpu)
1188{
1189 printf("Reset PowerPC system\n");
1190 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
1191}
1192
1193void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
1194{
1195 PowerPCCPU *cpu = ppc_env_get_cpu(env);
1196
1197 switch ((val >> 28) & 0x3) {
1198 case 0x0:
1199
1200 break;
1201 case 0x1:
1202
1203 ppc40x_core_reset(cpu);
1204 break;
1205 case 0x2:
1206
1207 ppc40x_chip_reset(cpu);
1208 break;
1209 case 0x3:
1210
1211 ppc40x_system_reset(cpu);
1212 break;
1213 }
1214}
1215
1216
1217
1218enum {
1219 PPC405CR_CPC0_PLLMR = 0x0B0,
1220 PPC405CR_CPC0_CR0 = 0x0B1,
1221 PPC405CR_CPC0_CR1 = 0x0B2,
1222 PPC405CR_CPC0_PSR = 0x0B4,
1223 PPC405CR_CPC0_JTAGID = 0x0B5,
1224 PPC405CR_CPC0_ER = 0x0B9,
1225 PPC405CR_CPC0_FR = 0x0BA,
1226 PPC405CR_CPC0_SR = 0x0BB,
1227};
1228
1229enum {
1230 PPC405CR_CPU_CLK = 0,
1231 PPC405CR_TMR_CLK = 1,
1232 PPC405CR_PLB_CLK = 2,
1233 PPC405CR_SDRAM_CLK = 3,
1234 PPC405CR_OPB_CLK = 4,
1235 PPC405CR_EXT_CLK = 5,
1236 PPC405CR_UART_CLK = 6,
1237 PPC405CR_CLK_NB = 7,
1238};
1239
1240typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1241struct ppc405cr_cpc_t {
1242 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1243 uint32_t sysclk;
1244 uint32_t psr;
1245 uint32_t cr0;
1246 uint32_t cr1;
1247 uint32_t jtagid;
1248 uint32_t pllmr;
1249 uint32_t er;
1250 uint32_t fr;
1251};
1252
1253static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1254{
1255 uint64_t VCO_out, PLL_out;
1256 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1257 int M, D0, D1, D2;
1258
1259 D0 = ((cpc->pllmr >> 26) & 0x3) + 1;
1260 if (cpc->pllmr & 0x80000000) {
1261 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1;
1262 D2 = 8 - ((cpc->pllmr >> 16) & 0x7);
1263 M = D0 * D1 * D2;
1264 VCO_out = (uint64_t)cpc->sysclk * M;
1265 if (VCO_out < 400000000 || VCO_out > 800000000) {
1266
1267 cpc->pllmr &= ~0x80000000;
1268 goto bypass_pll;
1269 }
1270 PLL_out = VCO_out / D2;
1271 } else {
1272
1273 bypass_pll:
1274 M = D0;
1275 PLL_out = (uint64_t)cpc->sysclk * M;
1276 }
1277 CPU_clk = PLL_out;
1278 if (cpc->cr1 & 0x00800000)
1279 TMR_clk = cpc->sysclk;
1280 else
1281 TMR_clk = CPU_clk;
1282 PLB_clk = CPU_clk / D0;
1283 SDRAM_clk = PLB_clk;
1284 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1285 OPB_clk = PLB_clk / D0;
1286 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1287 EXT_clk = PLB_clk / D0;
1288 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1289 UART_clk = CPU_clk / D0;
1290
1291 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1292
1293 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1294
1295 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1296
1297 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1298
1299 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1300
1301 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1302
1303 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1304}
1305
1306static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1307{
1308 ppc405cr_cpc_t *cpc;
1309 uint32_t ret;
1310
1311 cpc = opaque;
1312 switch (dcrn) {
1313 case PPC405CR_CPC0_PLLMR:
1314 ret = cpc->pllmr;
1315 break;
1316 case PPC405CR_CPC0_CR0:
1317 ret = cpc->cr0;
1318 break;
1319 case PPC405CR_CPC0_CR1:
1320 ret = cpc->cr1;
1321 break;
1322 case PPC405CR_CPC0_PSR:
1323 ret = cpc->psr;
1324 break;
1325 case PPC405CR_CPC0_JTAGID:
1326 ret = cpc->jtagid;
1327 break;
1328 case PPC405CR_CPC0_ER:
1329 ret = cpc->er;
1330 break;
1331 case PPC405CR_CPC0_FR:
1332 ret = cpc->fr;
1333 break;
1334 case PPC405CR_CPC0_SR:
1335 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1336 break;
1337 default:
1338
1339 ret = 0;
1340 break;
1341 }
1342
1343 return ret;
1344}
1345
1346static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1347{
1348 ppc405cr_cpc_t *cpc;
1349
1350 cpc = opaque;
1351 switch (dcrn) {
1352 case PPC405CR_CPC0_PLLMR:
1353 cpc->pllmr = val & 0xFFF77C3F;
1354 break;
1355 case PPC405CR_CPC0_CR0:
1356 cpc->cr0 = val & 0x0FFFFFFE;
1357 break;
1358 case PPC405CR_CPC0_CR1:
1359 cpc->cr1 = val & 0x00800000;
1360 break;
1361 case PPC405CR_CPC0_PSR:
1362
1363 break;
1364 case PPC405CR_CPC0_JTAGID:
1365
1366 break;
1367 case PPC405CR_CPC0_ER:
1368 cpc->er = val & 0xBFFC0000;
1369 break;
1370 case PPC405CR_CPC0_FR:
1371 cpc->fr = val & 0xBFFC0000;
1372 break;
1373 case PPC405CR_CPC0_SR:
1374
1375 break;
1376 }
1377}
1378
1379static void ppc405cr_cpc_reset (void *opaque)
1380{
1381 ppc405cr_cpc_t *cpc;
1382 int D;
1383
1384 cpc = opaque;
1385
1386 cpc->pllmr = 0x80000000;
1387
1388 switch ((cpc->psr >> 30) & 3) {
1389 case 0:
1390
1391 cpc->pllmr &= ~0x80000000;
1392 break;
1393 case 1:
1394
1395 cpc->pllmr |= 5 << 16;
1396 break;
1397 case 2:
1398
1399 cpc->pllmr |= 4 << 16;
1400 break;
1401 case 3:
1402
1403 cpc->pllmr |= 2 << 16;
1404 break;
1405 }
1406
1407 D = (cpc->psr >> 28) & 3;
1408 cpc->pllmr |= (D + 1) << 20;
1409
1410 D = (cpc->psr >> 25) & 7;
1411 switch (D) {
1412 case 0x2:
1413 cpc->pllmr |= 0x13;
1414 break;
1415 case 0x4:
1416 cpc->pllmr |= 0x15;
1417 break;
1418 case 0x5:
1419 cpc->pllmr |= 0x16;
1420 break;
1421 default:
1422 break;
1423 }
1424
1425 D = (cpc->psr >> 23) & 3;
1426 cpc->pllmr |= D << 26;
1427
1428 D = (cpc->psr >> 21) & 3;
1429 cpc->pllmr |= D << 10;
1430
1431 D = (cpc->psr >> 17) & 3;
1432 cpc->pllmr |= D << 24;
1433 cpc->cr0 = 0x0000003C;
1434 cpc->cr1 = 0x2B0D8800;
1435 cpc->er = 0x00000000;
1436 cpc->fr = 0x00000000;
1437 ppc405cr_clk_setup(cpc);
1438}
1439
1440static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
1441{
1442 int D;
1443
1444
1445 cpc->psr = 0x00000000;
1446
1447 D = 0x2;
1448 cpc->psr |= D << 30;
1449
1450 D = 0x1;
1451 cpc->psr |= D << 28;
1452
1453 D = 0x1;
1454 cpc->psr |= D << 23;
1455
1456 D = 0x5;
1457 cpc->psr |= D << 25;
1458
1459 D = 0x1;
1460 cpc->psr |= D << 21;
1461
1462 D = 0x2;
1463 cpc->psr |= D << 17;
1464}
1465
1466static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
1467 uint32_t sysclk)
1468{
1469 ppc405cr_cpc_t *cpc;
1470
1471 cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
1472 memcpy(cpc->clk_setup, clk_setup,
1473 PPC405CR_CLK_NB * sizeof(clk_setup_t));
1474 cpc->sysclk = sysclk;
1475 cpc->jtagid = 0x42051049;
1476 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
1477 &dcr_read_crcpc, &dcr_write_crcpc);
1478 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
1479 &dcr_read_crcpc, &dcr_write_crcpc);
1480 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
1481 &dcr_read_crcpc, &dcr_write_crcpc);
1482 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
1483 &dcr_read_crcpc, &dcr_write_crcpc);
1484 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
1485 &dcr_read_crcpc, &dcr_write_crcpc);
1486 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
1487 &dcr_read_crcpc, &dcr_write_crcpc);
1488 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
1489 &dcr_read_crcpc, &dcr_write_crcpc);
1490 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
1491 &dcr_read_crcpc, &dcr_write_crcpc);
1492 ppc405cr_clk_init(cpc);
1493 qemu_register_reset(ppc405cr_cpc_reset, cpc);
1494}
1495
1496CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
1497 MemoryRegion ram_memories[4],
1498 hwaddr ram_bases[4],
1499 hwaddr ram_sizes[4],
1500 uint32_t sysclk, qemu_irq **picp,
1501 int do_init)
1502{
1503 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1504 qemu_irq dma_irqs[4];
1505 PowerPCCPU *cpu;
1506 CPUPPCState *env;
1507 qemu_irq *pic, *irqs;
1508
1509 memset(clk_setup, 0, sizeof(clk_setup));
1510 cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405crc"),
1511 &clk_setup[PPC405CR_CPU_CLK],
1512 &clk_setup[PPC405CR_TMR_CLK], sysclk);
1513 env = &cpu->env;
1514
1515
1516 ppc4xx_plb_init(env);
1517
1518 ppc4xx_pob_init(env);
1519
1520 ppc4xx_opba_init(0xef600600);
1521
1522 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
1523 irqs[PPCUIC_OUTPUT_INT] =
1524 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
1525 irqs[PPCUIC_OUTPUT_CINT] =
1526 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
1527 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
1528 *picp = pic;
1529
1530 ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
1531 ram_bases, ram_sizes, do_init);
1532
1533 ppc405_ebc_init(env);
1534
1535 dma_irqs[0] = pic[26];
1536 dma_irqs[1] = pic[25];
1537 dma_irqs[2] = pic[24];
1538 dma_irqs[3] = pic[23];
1539 ppc405_dma_init(env, dma_irqs);
1540
1541 if (serial_hd(0) != NULL) {
1542 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
1543 PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
1544 DEVICE_BIG_ENDIAN);
1545 }
1546 if (serial_hd(1) != NULL) {
1547 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
1548 PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
1549 DEVICE_BIG_ENDIAN);
1550 }
1551
1552 sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
1553
1554 ppc405_gpio_init(0xef600700);
1555
1556 ppc405cr_cpc_init(env, clk_setup, sysclk);
1557
1558 return env;
1559}
1560
1561
1562
1563
1564enum {
1565 PPC405EP_CPC0_PLLMR0 = 0x0F0,
1566 PPC405EP_CPC0_BOOT = 0x0F1,
1567 PPC405EP_CPC0_EPCTL = 0x0F3,
1568 PPC405EP_CPC0_PLLMR1 = 0x0F4,
1569 PPC405EP_CPC0_UCR = 0x0F5,
1570 PPC405EP_CPC0_SRR = 0x0F6,
1571 PPC405EP_CPC0_JTAGID = 0x0F7,
1572 PPC405EP_CPC0_PCI = 0x0F9,
1573#if 0
1574 PPC405EP_CPC0_ER = xxx,
1575 PPC405EP_CPC0_FR = xxx,
1576 PPC405EP_CPC0_SR = xxx,
1577#endif
1578};
1579
1580enum {
1581 PPC405EP_CPU_CLK = 0,
1582 PPC405EP_PLB_CLK = 1,
1583 PPC405EP_OPB_CLK = 2,
1584 PPC405EP_EBC_CLK = 3,
1585 PPC405EP_MAL_CLK = 4,
1586 PPC405EP_PCI_CLK = 5,
1587 PPC405EP_UART0_CLK = 6,
1588 PPC405EP_UART1_CLK = 7,
1589 PPC405EP_CLK_NB = 8,
1590};
1591
1592typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
1593struct ppc405ep_cpc_t {
1594 uint32_t sysclk;
1595 clk_setup_t clk_setup[PPC405EP_CLK_NB];
1596 uint32_t boot;
1597 uint32_t epctl;
1598 uint32_t pllmr[2];
1599 uint32_t ucr;
1600 uint32_t srr;
1601 uint32_t jtagid;
1602 uint32_t pci;
1603
1604 uint32_t er;
1605 uint32_t fr;
1606 uint32_t sr;
1607};
1608
1609static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
1610{
1611 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
1612 uint32_t UART0_clk, UART1_clk;
1613 uint64_t VCO_out, PLL_out;
1614 int M, D;
1615
1616 VCO_out = 0;
1617 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
1618 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1;
1619#ifdef DEBUG_CLOCKS_LL
1620 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
1621#endif
1622 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7);
1623#ifdef DEBUG_CLOCKS_LL
1624 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
1625#endif
1626 VCO_out = (uint64_t)cpc->sysclk * M * D;
1627 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
1628
1629 printf("VCO out of range %" PRIu64 "\n", VCO_out);
1630#if 0
1631 cpc->pllmr[1] &= ~0x80000000;
1632 goto pll_bypass;
1633#endif
1634 }
1635 PLL_out = VCO_out / D;
1636
1637 cpc->boot |= 0x00000001;
1638 } else {
1639#if 0
1640 pll_bypass:
1641#endif
1642 PLL_out = cpc->sysclk;
1643 if (cpc->pllmr[1] & 0x40000000) {
1644
1645 cpc->boot &= ~0x00000001;
1646 }
1647 }
1648
1649 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1;
1650#ifdef DEBUG_CLOCKS_LL
1651 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
1652#endif
1653 CPU_clk = PLL_out / D;
1654 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1;
1655#ifdef DEBUG_CLOCKS_LL
1656 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
1657#endif
1658 PLB_clk = CPU_clk / D;
1659 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1;
1660#ifdef DEBUG_CLOCKS_LL
1661 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
1662#endif
1663 OPB_clk = PLB_clk / D;
1664 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2;
1665#ifdef DEBUG_CLOCKS_LL
1666 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
1667#endif
1668 EBC_clk = PLB_clk / D;
1669 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1;
1670#ifdef DEBUG_CLOCKS_LL
1671 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
1672#endif
1673 MAL_clk = PLB_clk / D;
1674 D = (cpc->pllmr[0] & 0x3) + 1;
1675#ifdef DEBUG_CLOCKS_LL
1676 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
1677#endif
1678 PCI_clk = PLB_clk / D;
1679 D = ((cpc->ucr - 1) & 0x7F) + 1;
1680#ifdef DEBUG_CLOCKS_LL
1681 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
1682#endif
1683 UART0_clk = PLL_out / D;
1684 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1;
1685#ifdef DEBUG_CLOCKS_LL
1686 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
1687#endif
1688 UART1_clk = PLL_out / D;
1689#ifdef DEBUG_CLOCKS
1690 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
1691 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
1692 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
1693 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
1694 " UART1 %" PRIu32 "\n",
1695 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
1696 UART0_clk, UART1_clk);
1697#endif
1698
1699 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
1700
1701 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
1702
1703 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
1704
1705 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
1706
1707 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
1708
1709 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
1710
1711 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
1712
1713 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
1714}
1715
1716static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
1717{
1718 ppc405ep_cpc_t *cpc;
1719 uint32_t ret;
1720
1721 cpc = opaque;
1722 switch (dcrn) {
1723 case PPC405EP_CPC0_BOOT:
1724 ret = cpc->boot;
1725 break;
1726 case PPC405EP_CPC0_EPCTL:
1727 ret = cpc->epctl;
1728 break;
1729 case PPC405EP_CPC0_PLLMR0:
1730 ret = cpc->pllmr[0];
1731 break;
1732 case PPC405EP_CPC0_PLLMR1:
1733 ret = cpc->pllmr[1];
1734 break;
1735 case PPC405EP_CPC0_UCR:
1736 ret = cpc->ucr;
1737 break;
1738 case PPC405EP_CPC0_SRR:
1739 ret = cpc->srr;
1740 break;
1741 case PPC405EP_CPC0_JTAGID:
1742 ret = cpc->jtagid;
1743 break;
1744 case PPC405EP_CPC0_PCI:
1745 ret = cpc->pci;
1746 break;
1747 default:
1748
1749 ret = 0;
1750 break;
1751 }
1752
1753 return ret;
1754}
1755
1756static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
1757{
1758 ppc405ep_cpc_t *cpc;
1759
1760 cpc = opaque;
1761 switch (dcrn) {
1762 case PPC405EP_CPC0_BOOT:
1763
1764 break;
1765 case PPC405EP_CPC0_EPCTL:
1766
1767 cpc->epctl = val & 0xC00000F3;
1768 break;
1769 case PPC405EP_CPC0_PLLMR0:
1770 cpc->pllmr[0] = val & 0x00633333;
1771 ppc405ep_compute_clocks(cpc);
1772 break;
1773 case PPC405EP_CPC0_PLLMR1:
1774 cpc->pllmr[1] = val & 0xC0F73FFF;
1775 ppc405ep_compute_clocks(cpc);
1776 break;
1777 case PPC405EP_CPC0_UCR:
1778
1779 cpc->ucr = val & 0x003F7F7F;
1780 break;
1781 case PPC405EP_CPC0_SRR:
1782 cpc->srr = val;
1783 break;
1784 case PPC405EP_CPC0_JTAGID:
1785
1786 break;
1787 case PPC405EP_CPC0_PCI:
1788 cpc->pci = val;
1789 break;
1790 }
1791}
1792
1793static void ppc405ep_cpc_reset (void *opaque)
1794{
1795 ppc405ep_cpc_t *cpc = opaque;
1796
1797 cpc->boot = 0x00000010;
1798 cpc->epctl = 0x00000000;
1799 cpc->pllmr[0] = 0x00011010;
1800 cpc->pllmr[1] = 0x40000000;
1801 cpc->ucr = 0x00000000;
1802 cpc->srr = 0x00040000;
1803 cpc->pci = 0x00000000;
1804 cpc->er = 0x00000000;
1805 cpc->fr = 0x00000000;
1806 cpc->sr = 0x00000000;
1807 ppc405ep_compute_clocks(cpc);
1808}
1809
1810
1811static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
1812 uint32_t sysclk)
1813{
1814 ppc405ep_cpc_t *cpc;
1815
1816 cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
1817 memcpy(cpc->clk_setup, clk_setup,
1818 PPC405EP_CLK_NB * sizeof(clk_setup_t));
1819 cpc->jtagid = 0x20267049;
1820 cpc->sysclk = sysclk;
1821 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
1822 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
1823 &dcr_read_epcpc, &dcr_write_epcpc);
1824 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
1825 &dcr_read_epcpc, &dcr_write_epcpc);
1826 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
1827 &dcr_read_epcpc, &dcr_write_epcpc);
1828 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
1829 &dcr_read_epcpc, &dcr_write_epcpc);
1830 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
1831 &dcr_read_epcpc, &dcr_write_epcpc);
1832 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
1833 &dcr_read_epcpc, &dcr_write_epcpc);
1834 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
1835 &dcr_read_epcpc, &dcr_write_epcpc);
1836 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
1837 &dcr_read_epcpc, &dcr_write_epcpc);
1838#if 0
1839 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
1840 &dcr_read_epcpc, &dcr_write_epcpc);
1841 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
1842 &dcr_read_epcpc, &dcr_write_epcpc);
1843 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
1844 &dcr_read_epcpc, &dcr_write_epcpc);
1845#endif
1846}
1847
1848CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
1849 MemoryRegion ram_memories[2],
1850 hwaddr ram_bases[2],
1851 hwaddr ram_sizes[2],
1852 uint32_t sysclk, qemu_irq **picp,
1853 int do_init)
1854{
1855 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
1856 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
1857 PowerPCCPU *cpu;
1858 CPUPPCState *env;
1859 qemu_irq *pic, *irqs;
1860
1861 memset(clk_setup, 0, sizeof(clk_setup));
1862
1863 cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405ep"),
1864 &clk_setup[PPC405EP_CPU_CLK],
1865 &tlb_clk_setup, sysclk);
1866 env = &cpu->env;
1867 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
1868 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
1869
1870
1871
1872 ppc4xx_plb_init(env);
1873
1874 ppc4xx_pob_init(env);
1875
1876 ppc4xx_opba_init(0xef600600);
1877
1878 ppc_booke_timers_init(cpu, sysclk, 0);
1879
1880 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
1881 irqs[PPCUIC_OUTPUT_INT] =
1882 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
1883 irqs[PPCUIC_OUTPUT_CINT] =
1884 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
1885 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
1886 *picp = pic;
1887
1888
1889 ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
1890 ram_bases, ram_sizes, do_init);
1891
1892 ppc405_ebc_init(env);
1893
1894 dma_irqs[0] = pic[5];
1895 dma_irqs[1] = pic[6];
1896 dma_irqs[2] = pic[7];
1897 dma_irqs[3] = pic[8];
1898 ppc405_dma_init(env, dma_irqs);
1899
1900 sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
1901
1902 ppc405_gpio_init(0xef600700);
1903
1904 if (serial_hd(0) != NULL) {
1905 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
1906 PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
1907 DEVICE_BIG_ENDIAN);
1908 }
1909 if (serial_hd(1) != NULL) {
1910 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
1911 PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
1912 DEVICE_BIG_ENDIAN);
1913 }
1914
1915 ppc405_ocm_init(env);
1916
1917 gpt_irqs[0] = pic[19];
1918 gpt_irqs[1] = pic[20];
1919 gpt_irqs[2] = pic[21];
1920 gpt_irqs[3] = pic[22];
1921 gpt_irqs[4] = pic[23];
1922 ppc4xx_gpt_init(0xef600000, gpt_irqs);
1923
1924
1925
1926 mal_irqs[0] = pic[11];
1927 mal_irqs[1] = pic[12];
1928 mal_irqs[2] = pic[13];
1929 mal_irqs[3] = pic[14];
1930 ppc4xx_mal_init(env, 4, 2, mal_irqs);
1931
1932
1933
1934 ppc405ep_cpc_init(env, clk_setup, sysclk);
1935
1936 return env;
1937}
1938
