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[qemu.git] / hw / ppc405_uc.c
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8ecc7913
JM		 1/*
2 * QEMU PowerPC 405 embedded processors emulation
5fafdf24 3 *
8ecc7913 4 * Copyright (c) 2007 Jocelyn Mayer
5fafdf24 5 *
8ecc7913
JM		 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
87ecb68b
PB		 24#include "hw.h"
25#include "ppc.h"
04f20795 26#include "ppc405.h"
87ecb68b
PB		 27#include "pc.h"
28#include "qemu-timer.h"
29#include "sysemu.h"
3b3fb322 30#include "qemu-log.h"
8ecc7913 31
8ecc7913
JM		 32#define DEBUG_OPBA
33#define DEBUG_SDRAM
34#define DEBUG_GPIO
35#define DEBUG_SERIAL
36#define DEBUG_OCM
9c02f1a2
JM		 37//#define DEBUG_I2C
38#define DEBUG_GPT
39#define DEBUG_MAL
8ecc7913 40#define DEBUG_CLOCKS
aae9366a 41//#define DEBUG_CLOCKS_LL
8ecc7913 42
c227f099 43ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd,
b8d3f5d1 44 uint32_t flags)
04f20795 45{
c227f099 46 ram_addr_t bdloc;
04f20795
JM		 47 int i, n;
48
49 /* We put the bd structure at the top of memory */
be58fc7c 50 if (bd->bi_memsize >= 0x01000000UL)
c227f099 51 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
be58fc7c 52 else
c227f099 53 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
5c130f65
PB		 54 stl_phys(bdloc + 0x00, bd->bi_memstart);
55 stl_phys(bdloc + 0x04, bd->bi_memsize);
56 stl_phys(bdloc + 0x08, bd->bi_flashstart);
57 stl_phys(bdloc + 0x0C, bd->bi_flashsize);
58 stl_phys(bdloc + 0x10, bd->bi_flashoffset);
59 stl_phys(bdloc + 0x14, bd->bi_sramstart);
60 stl_phys(bdloc + 0x18, bd->bi_sramsize);
61 stl_phys(bdloc + 0x1C, bd->bi_bootflags);
62 stl_phys(bdloc + 0x20, bd->bi_ipaddr);
04f20795 63 for (i = 0; i < 6; i++)
5c130f65
PB		 64 stb_phys(bdloc + 0x24 + i, bd->bi_enetaddr[i]);
65 stw_phys(bdloc + 0x2A, bd->bi_ethspeed);
66 stl_phys(bdloc + 0x2C, bd->bi_intfreq);
67 stl_phys(bdloc + 0x30, bd->bi_busfreq);
68 stl_phys(bdloc + 0x34, bd->bi_baudrate);
04f20795 69 for (i = 0; i < 4; i++)
5c130f65 70 stb_phys(bdloc + 0x38 + i, bd->bi_s_version[i]);
04f20795 71 for (i = 0; i < 32; i++)
5c130f65
PB		 72 stb_phys(bdloc + 0x3C + i, bd->bi_s_version[i]);
73 stl_phys(bdloc + 0x5C, bd->bi_plb_busfreq);
74 stl_phys(bdloc + 0x60, bd->bi_pci_busfreq);
04f20795 75 for (i = 0; i < 6; i++)
5c130f65 76 stb_phys(bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
04f20795 77 n = 0x6A;
b8d3f5d1 78 if (flags & 0x00000001) {
04f20795 79 for (i = 0; i < 6; i++)
5c130f65 80 stb_phys(bdloc + n++, bd->bi_pci_enetaddr2[i]);
04f20795 81 }
5c130f65 82 stl_phys(bdloc + n, bd->bi_opbfreq);
04f20795
JM		 83 n += 4;
84 for (i = 0; i < 2; i++) {
5c130f65 85 stl_phys(bdloc + n, bd->bi_iic_fast[i]);
04f20795
JM		 86 n += 4;
87 }
88
89 return bdloc;
90}
91
8ecc7913
JM		 92/*****************************************************************************/
93/* Shared peripherals */
94
8ecc7913
JM		 95/*****************************************************************************/
96/* Peripheral local bus arbitrer */
97enum {
98 PLB0_BESR = 0x084,
99 PLB0_BEAR = 0x086,
100 PLB0_ACR = 0x087,
101};
102
c227f099
AL		 103typedef struct ppc4xx_plb_t ppc4xx_plb_t;
104struct ppc4xx_plb_t {
8ecc7913
JM		 105 uint32_t acr;
106 uint32_t bear;
107 uint32_t besr;
108};
109
110static target_ulong dcr_read_plb (void *opaque, int dcrn)
111{
c227f099 112 ppc4xx_plb_t *plb;
8ecc7913
JM		 113 target_ulong ret;
114
115 plb = opaque;
116 switch (dcrn) {
117 case PLB0_ACR:
118 ret = plb->acr;
119 break;
120 case PLB0_BEAR:
121 ret = plb->bear;
122 break;
123 case PLB0_BESR:
124 ret = plb->besr;
125 break;
126 default:
127 /* Avoid gcc warning */
128 ret = 0;
129 break;
130 }
131
132 return ret;
133}
134
135static void dcr_write_plb (void *opaque, int dcrn, target_ulong val)
136{
c227f099 137 ppc4xx_plb_t *plb;
8ecc7913
JM		 138
139 plb = opaque;
140 switch (dcrn) {
141 case PLB0_ACR:
9c02f1a2
JM		 142 /* We don't care about the actual parameters written as
143 * we don't manage any priorities on the bus
144 */
145 plb->acr = val & 0xF8000000;
8ecc7913
JM		 146 break;
147 case PLB0_BEAR:
148 /* Read only */
149 break;
150 case PLB0_BESR:
151 /* Write-clear */
152 plb->besr &= ~val;
153 break;
154 }
155}
156
157static void ppc4xx_plb_reset (void *opaque)
158{
c227f099 159 ppc4xx_plb_t *plb;
8ecc7913
JM		 160
161 plb = opaque;
162 plb->acr = 0x00000000;
163 plb->bear = 0x00000000;
164 plb->besr = 0x00000000;
165}
166
802670e6 167static void ppc4xx_plb_init(CPUState *env)
8ecc7913 168{
c227f099 169 ppc4xx_plb_t *plb;
8ecc7913 170
c227f099 171 plb = qemu_mallocz(sizeof(ppc4xx_plb_t));
487414f1
AL		 172 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
173 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
174 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
175 ppc4xx_plb_reset(plb);
a08d4367 176 qemu_register_reset(ppc4xx_plb_reset, plb);
8ecc7913
JM		 177}
178
179/*****************************************************************************/
180/* PLB to OPB bridge */
181enum {
182 POB0_BESR0 = 0x0A0,
183 POB0_BESR1 = 0x0A2,
184 POB0_BEAR = 0x0A4,
185};
186
c227f099
AL		 187typedef struct ppc4xx_pob_t ppc4xx_pob_t;
188struct ppc4xx_pob_t {
8ecc7913
JM		 189 uint32_t bear;
190 uint32_t besr[2];
191};
192
193static target_ulong dcr_read_pob (void *opaque, int dcrn)
194{
c227f099 195 ppc4xx_pob_t *pob;
8ecc7913
JM		 196 target_ulong ret;
197
198 pob = opaque;
199 switch (dcrn) {
200 case POB0_BEAR:
201 ret = pob->bear;
202 break;
203 case POB0_BESR0:
204 case POB0_BESR1:
205 ret = pob->besr[dcrn - POB0_BESR0];
206 break;
207 default:
208 /* Avoid gcc warning */
209 ret = 0;
210 break;
211 }
212
213 return ret;
214}
215
216static void dcr_write_pob (void *opaque, int dcrn, target_ulong val)
217{
c227f099 218 ppc4xx_pob_t *pob;
8ecc7913
JM		 219
220 pob = opaque;
221 switch (dcrn) {
222 case POB0_BEAR:
223 /* Read only */
224 break;
225 case POB0_BESR0:
226 case POB0_BESR1:
227 /* Write-clear */
228 pob->besr[dcrn - POB0_BESR0] &= ~val;
229 break;
230 }
231}
232
233static void ppc4xx_pob_reset (void *opaque)
234{
c227f099 235 ppc4xx_pob_t *pob;
8ecc7913
JM		 236
237 pob = opaque;
238 /* No error */
239 pob->bear = 0x00000000;
240 pob->besr[0] = 0x0000000;
241 pob->besr[1] = 0x0000000;
242}
243
802670e6 244static void ppc4xx_pob_init(CPUState *env)
8ecc7913 245{
c227f099 246 ppc4xx_pob_t *pob;
8ecc7913 247
c227f099 248 pob = qemu_mallocz(sizeof(ppc4xx_pob_t));
487414f1
AL		 249 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
250 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
251 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
a08d4367 252 qemu_register_reset(ppc4xx_pob_reset, pob);
802670e6 253 ppc4xx_pob_reset(pob);
8ecc7913
JM		 254}
255
256/*****************************************************************************/
257/* OPB arbitrer */
c227f099
AL		 258typedef struct ppc4xx_opba_t ppc4xx_opba_t;
259struct ppc4xx_opba_t {
8ecc7913
JM		 260 uint8_t cr;
261 uint8_t pr;
262};
263
c227f099 264static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
8ecc7913 265{
c227f099 266 ppc4xx_opba_t *opba;
8ecc7913
JM		 267 uint32_t ret;
268
269#ifdef DEBUG_OPBA
90e189ec 270 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 271#endif
272 opba = opaque;
802670e6 273 switch (addr) {
8ecc7913
JM		 274 case 0x00:
275 ret = opba->cr;
276 break;
277 case 0x01:
278 ret = opba->pr;
279 break;
280 default:
281 ret = 0x00;
282 break;
283 }
284
285 return ret;
286}
287
288static void opba_writeb (void *opaque,
c227f099 289 target_phys_addr_t addr, uint32_t value)
8ecc7913 290{
c227f099 291 ppc4xx_opba_t *opba;
8ecc7913
JM		 292
293#ifdef DEBUG_OPBA
90e189ec
BS		 294 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
295 value);
8ecc7913
JM		 296#endif
297 opba = opaque;
802670e6 298 switch (addr) {
8ecc7913
JM		 299 case 0x00:
300 opba->cr = value & 0xF8;
301 break;
302 case 0x01:
303 opba->pr = value & 0xFF;
304 break;
305 default:
306 break;
307 }
308}
309
c227f099 310static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
8ecc7913
JM		 311{
312 uint32_t ret;
313
314#ifdef DEBUG_OPBA
90e189ec 315 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 316#endif
317 ret = opba_readb(opaque, addr) << 8;
318 ret |= opba_readb(opaque, addr + 1);
319
320 return ret;
321}
322
323static void opba_writew (void *opaque,
c227f099 324 target_phys_addr_t addr, uint32_t value)
8ecc7913
JM		 325{
326#ifdef DEBUG_OPBA
90e189ec
BS		 327 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
328 value);
8ecc7913
JM		 329#endif
330 opba_writeb(opaque, addr, value >> 8);
331 opba_writeb(opaque, addr + 1, value);
332}
333
c227f099 334static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
8ecc7913
JM		 335{
336 uint32_t ret;
337
338#ifdef DEBUG_OPBA
90e189ec 339 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 340#endif
341 ret = opba_readb(opaque, addr) << 24;
342 ret |= opba_readb(opaque, addr + 1) << 16;
343
344 return ret;
345}
346
347static void opba_writel (void *opaque,
c227f099 348 target_phys_addr_t addr, uint32_t value)
8ecc7913
JM		 349{
350#ifdef DEBUG_OPBA
90e189ec
BS		 351 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
352 value);
8ecc7913
JM		 353#endif
354 opba_writeb(opaque, addr, value >> 24);
355 opba_writeb(opaque, addr + 1, value >> 16);
356}
357
d60efc6b 358static CPUReadMemoryFunc * const opba_read[] = {
8ecc7913
JM		 359 &opba_readb,
360 &opba_readw,
361 &opba_readl,
362};
363
d60efc6b 364static CPUWriteMemoryFunc * const opba_write[] = {
8ecc7913
JM		 365 &opba_writeb,
366 &opba_writew,
367 &opba_writel,
368};
369
370static void ppc4xx_opba_reset (void *opaque)
371{
c227f099 372 ppc4xx_opba_t *opba;
8ecc7913
JM		 373
374 opba = opaque;
375 opba->cr = 0x00; /* No dynamic priorities - park disabled */
376 opba->pr = 0x11;
377}
378
c227f099 379static void ppc4xx_opba_init(target_phys_addr_t base)
8ecc7913 380{
c227f099 381 ppc4xx_opba_t *opba;
802670e6 382 int io;
8ecc7913 383
c227f099 384 opba = qemu_mallocz(sizeof(ppc4xx_opba_t));
8ecc7913 385#ifdef DEBUG_OPBA
90e189ec 386 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
8ecc7913 387#endif
802670e6
BS		 388 io = cpu_register_io_memory(opba_read, opba_write, opba);
389 cpu_register_physical_memory(base, 0x002, io);
487414f1 390 ppc4xx_opba_reset(opba);
802670e6 391 qemu_register_reset(ppc4xx_opba_reset, opba);
8ecc7913
JM		 392}
393
8ecc7913
JM		 394/*****************************************************************************/
395/* Code decompression controller */
396/* XXX: TODO */
397
8ecc7913
JM		 398/*****************************************************************************/
399/* Peripheral controller */
c227f099
AL		 400typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
401struct ppc4xx_ebc_t {
8ecc7913
JM		 402 uint32_t addr;
403 uint32_t bcr[8];
404 uint32_t bap[8];
405 uint32_t bear;
406 uint32_t besr0;
407 uint32_t besr1;
408 uint32_t cfg;
409};
410
411enum {
412 EBC0_CFGADDR = 0x012,
413 EBC0_CFGDATA = 0x013,
414};
415
416static target_ulong dcr_read_ebc (void *opaque, int dcrn)
417{
c227f099 418 ppc4xx_ebc_t *ebc;
8ecc7913
JM		 419 target_ulong ret;
420
421 ebc = opaque;
422 switch (dcrn) {
423 case EBC0_CFGADDR:
424 ret = ebc->addr;
425 break;
426 case EBC0_CFGDATA:
427 switch (ebc->addr) {
428 case 0x00: /* B0CR */
429 ret = ebc->bcr[0];
430 break;
431 case 0x01: /* B1CR */
432 ret = ebc->bcr[1];
433 break;
434 case 0x02: /* B2CR */
435 ret = ebc->bcr[2];
436 break;
437 case 0x03: /* B3CR */
438 ret = ebc->bcr[3];
439 break;
440 case 0x04: /* B4CR */
441 ret = ebc->bcr[4];
442 break;
443 case 0x05: /* B5CR */
444 ret = ebc->bcr[5];
445 break;
446 case 0x06: /* B6CR */
447 ret = ebc->bcr[6];
448 break;
449 case 0x07: /* B7CR */
450 ret = ebc->bcr[7];
451 break;
452 case 0x10: /* B0AP */
453 ret = ebc->bap[0];
454 break;
455 case 0x11: /* B1AP */
456 ret = ebc->bap[1];
457 break;
458 case 0x12: /* B2AP */
459 ret = ebc->bap[2];
460 break;
461 case 0x13: /* B3AP */
462 ret = ebc->bap[3];
463 break;
464 case 0x14: /* B4AP */
465 ret = ebc->bap[4];
466 break;
467 case 0x15: /* B5AP */
468 ret = ebc->bap[5];
469 break;
470 case 0x16: /* B6AP */
471 ret = ebc->bap[6];
472 break;
473 case 0x17: /* B7AP */
474 ret = ebc->bap[7];
475 break;
476 case 0x20: /* BEAR */
477 ret = ebc->bear;
478 break;
479 case 0x21: /* BESR0 */
480 ret = ebc->besr0;
481 break;
482 case 0x22: /* BESR1 */
483 ret = ebc->besr1;
484 break;
485 case 0x23: /* CFG */
486 ret = ebc->cfg;
487 break;
488 default:
489 ret = 0x00000000;
490 break;
491 }
492 default:
493 ret = 0x00000000;
494 break;
495 }
496
497 return ret;
498}
499
500static void dcr_write_ebc (void *opaque, int dcrn, target_ulong val)
501{
c227f099 502 ppc4xx_ebc_t *ebc;
8ecc7913
JM		 503
504 ebc = opaque;
505 switch (dcrn) {
506 case EBC0_CFGADDR:
507 ebc->addr = val;
508 break;
509 case EBC0_CFGDATA:
510 switch (ebc->addr) {
511 case 0x00: /* B0CR */
512 break;
513 case 0x01: /* B1CR */
514 break;
515 case 0x02: /* B2CR */
516 break;
517 case 0x03: /* B3CR */
518 break;
519 case 0x04: /* B4CR */
520 break;
521 case 0x05: /* B5CR */
522 break;
523 case 0x06: /* B6CR */
524 break;
525 case 0x07: /* B7CR */
526 break;
527 case 0x10: /* B0AP */
528 break;
529 case 0x11: /* B1AP */
530 break;
531 case 0x12: /* B2AP */
532 break;
533 case 0x13: /* B3AP */
534 break;
535 case 0x14: /* B4AP */
536 break;
537 case 0x15: /* B5AP */
538 break;
539 case 0x16: /* B6AP */
540 break;
541 case 0x17: /* B7AP */
542 break;
543 case 0x20: /* BEAR */
544 break;
545 case 0x21: /* BESR0 */
546 break;
547 case 0x22: /* BESR1 */
548 break;
549 case 0x23: /* CFG */
550 break;
551 default:
552 break;
553 }
554 break;
555 default:
556 break;
557 }
558}
559
560static void ebc_reset (void *opaque)
561{
c227f099 562 ppc4xx_ebc_t *ebc;
8ecc7913
JM		 563 int i;
564
565 ebc = opaque;
566 ebc->addr = 0x00000000;
567 ebc->bap[0] = 0x7F8FFE80;
568 ebc->bcr[0] = 0xFFE28000;
569 for (i = 0; i < 8; i++) {
570 ebc->bap[i] = 0x00000000;
571 ebc->bcr[i] = 0x00000000;
572 }
573 ebc->besr0 = 0x00000000;
574 ebc->besr1 = 0x00000000;
9c02f1a2 575 ebc->cfg = 0x80400000;
8ecc7913
JM		 576}
577
802670e6 578static void ppc405_ebc_init(CPUState *env)
8ecc7913 579{
c227f099 580 ppc4xx_ebc_t *ebc;
8ecc7913 581
c227f099 582 ebc = qemu_mallocz(sizeof(ppc4xx_ebc_t));
487414f1 583 ebc_reset(ebc);
a08d4367 584 qemu_register_reset(&ebc_reset, ebc);
487414f1
AL		 585 ppc_dcr_register(env, EBC0_CFGADDR,
586 ebc, &dcr_read_ebc, &dcr_write_ebc);
587 ppc_dcr_register(env, EBC0_CFGDATA,
588 ebc, &dcr_read_ebc, &dcr_write_ebc);
8ecc7913
JM		 589}
590
591/*****************************************************************************/
592/* DMA controller */
593enum {
594 DMA0_CR0 = 0x100,
595 DMA0_CT0 = 0x101,
596 DMA0_DA0 = 0x102,
597 DMA0_SA0 = 0x103,
598 DMA0_SG0 = 0x104,
599 DMA0_CR1 = 0x108,
600 DMA0_CT1 = 0x109,
601 DMA0_DA1 = 0x10A,
602 DMA0_SA1 = 0x10B,
603 DMA0_SG1 = 0x10C,
604 DMA0_CR2 = 0x110,
605 DMA0_CT2 = 0x111,
606 DMA0_DA2 = 0x112,
607 DMA0_SA2 = 0x113,
608 DMA0_SG2 = 0x114,
609 DMA0_CR3 = 0x118,
610 DMA0_CT3 = 0x119,
611 DMA0_DA3 = 0x11A,
612 DMA0_SA3 = 0x11B,
613 DMA0_SG3 = 0x11C,
614 DMA0_SR = 0x120,
615 DMA0_SGC = 0x123,
616 DMA0_SLP = 0x125,
617 DMA0_POL = 0x126,
618};
619
c227f099
AL		 620typedef struct ppc405_dma_t ppc405_dma_t;
621struct ppc405_dma_t {
8ecc7913
JM		 622 qemu_irq irqs[4];
623 uint32_t cr[4];
624 uint32_t ct[4];
625 uint32_t da[4];
626 uint32_t sa[4];
627 uint32_t sg[4];
628 uint32_t sr;
629 uint32_t sgc;
630 uint32_t slp;
631 uint32_t pol;
632};
633
634static target_ulong dcr_read_dma (void *opaque, int dcrn)
635{
c227f099 636 ppc405_dma_t *dma;
8ecc7913
JM		 637
638 dma = opaque;
639
640 return 0;
641}
642
643static void dcr_write_dma (void *opaque, int dcrn, target_ulong val)
644{
c227f099 645 ppc405_dma_t *dma;
8ecc7913
JM		 646
647 dma = opaque;
648}
649
650static void ppc405_dma_reset (void *opaque)
651{
c227f099 652 ppc405_dma_t *dma;
8ecc7913
JM		 653 int i;
654
655 dma = opaque;
656 for (i = 0; i < 4; i++) {
657 dma->cr[i] = 0x00000000;
658 dma->ct[i] = 0x00000000;
659 dma->da[i] = 0x00000000;
660 dma->sa[i] = 0x00000000;
661 dma->sg[i] = 0x00000000;
662 }
663 dma->sr = 0x00000000;
664 dma->sgc = 0x00000000;
665 dma->slp = 0x7C000000;
666 dma->pol = 0x00000000;
667}
668
802670e6 669static void ppc405_dma_init(CPUState *env, qemu_irq irqs[4])
8ecc7913 670{
c227f099 671 ppc405_dma_t *dma;
8ecc7913 672
c227f099 673 dma = qemu_mallocz(sizeof(ppc405_dma_t));
487414f1
AL		 674 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
675 ppc405_dma_reset(dma);
a08d4367 676 qemu_register_reset(&ppc405_dma_reset, dma);
487414f1
AL		 677 ppc_dcr_register(env, DMA0_CR0,
678 dma, &dcr_read_dma, &dcr_write_dma);
679 ppc_dcr_register(env, DMA0_CT0,
680 dma, &dcr_read_dma, &dcr_write_dma);
681 ppc_dcr_register(env, DMA0_DA0,
682 dma, &dcr_read_dma, &dcr_write_dma);
683 ppc_dcr_register(env, DMA0_SA0,
684 dma, &dcr_read_dma, &dcr_write_dma);
685 ppc_dcr_register(env, DMA0_SG0,
686 dma, &dcr_read_dma, &dcr_write_dma);
687 ppc_dcr_register(env, DMA0_CR1,
688 dma, &dcr_read_dma, &dcr_write_dma);
689 ppc_dcr_register(env, DMA0_CT1,
690 dma, &dcr_read_dma, &dcr_write_dma);
691 ppc_dcr_register(env, DMA0_DA1,
692 dma, &dcr_read_dma, &dcr_write_dma);
693 ppc_dcr_register(env, DMA0_SA1,
694 dma, &dcr_read_dma, &dcr_write_dma);
695 ppc_dcr_register(env, DMA0_SG1,
696 dma, &dcr_read_dma, &dcr_write_dma);
697 ppc_dcr_register(env, DMA0_CR2,
698 dma, &dcr_read_dma, &dcr_write_dma);
699 ppc_dcr_register(env, DMA0_CT2,
700 dma, &dcr_read_dma, &dcr_write_dma);
701 ppc_dcr_register(env, DMA0_DA2,
702 dma, &dcr_read_dma, &dcr_write_dma);
703 ppc_dcr_register(env, DMA0_SA2,
704 dma, &dcr_read_dma, &dcr_write_dma);
705 ppc_dcr_register(env, DMA0_SG2,
706 dma, &dcr_read_dma, &dcr_write_dma);
707 ppc_dcr_register(env, DMA0_CR3,
708 dma, &dcr_read_dma, &dcr_write_dma);
709 ppc_dcr_register(env, DMA0_CT3,
710 dma, &dcr_read_dma, &dcr_write_dma);
711 ppc_dcr_register(env, DMA0_DA3,
712 dma, &dcr_read_dma, &dcr_write_dma);
713 ppc_dcr_register(env, DMA0_SA3,
714 dma, &dcr_read_dma, &dcr_write_dma);
715 ppc_dcr_register(env, DMA0_SG3,
716 dma, &dcr_read_dma, &dcr_write_dma);
717 ppc_dcr_register(env, DMA0_SR,
718 dma, &dcr_read_dma, &dcr_write_dma);
719 ppc_dcr_register(env, DMA0_SGC,
720 dma, &dcr_read_dma, &dcr_write_dma);
721 ppc_dcr_register(env, DMA0_SLP,
722 dma, &dcr_read_dma, &dcr_write_dma);
723 ppc_dcr_register(env, DMA0_POL,
724 dma, &dcr_read_dma, &dcr_write_dma);
8ecc7913
JM		 725}
726
727/*****************************************************************************/
728/* GPIO */
c227f099
AL		 729typedef struct ppc405_gpio_t ppc405_gpio_t;
730struct ppc405_gpio_t {
8ecc7913
JM		 731 uint32_t or;
732 uint32_t tcr;
733 uint32_t osrh;
734 uint32_t osrl;
735 uint32_t tsrh;
736 uint32_t tsrl;
737 uint32_t odr;
738 uint32_t ir;
739 uint32_t rr1;
740 uint32_t isr1h;
741 uint32_t isr1l;
742};
743
c227f099 744static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
8ecc7913 745{
c227f099 746 ppc405_gpio_t *gpio;
8ecc7913
JM		 747
748 gpio = opaque;
749#ifdef DEBUG_GPIO
90e189ec 750 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 751#endif
752
753 return 0;
754}
755
756static void ppc405_gpio_writeb (void *opaque,
c227f099 757 target_phys_addr_t addr, uint32_t value)
8ecc7913 758{
c227f099 759 ppc405_gpio_t *gpio;
8ecc7913
JM		 760
761 gpio = opaque;
762#ifdef DEBUG_GPIO
90e189ec
BS		 763 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
764 value);
8ecc7913
JM		 765#endif
766}
767
c227f099 768static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
8ecc7913 769{
c227f099 770 ppc405_gpio_t *gpio;
8ecc7913
JM		 771
772 gpio = opaque;
773#ifdef DEBUG_GPIO
90e189ec 774 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 775#endif
776
777 return 0;
778}
779
780static void ppc405_gpio_writew (void *opaque,
c227f099 781 target_phys_addr_t addr, uint32_t value)
8ecc7913 782{
c227f099 783 ppc405_gpio_t *gpio;
8ecc7913
JM		 784
785 gpio = opaque;
786#ifdef DEBUG_GPIO
90e189ec
BS		 787 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
788 value);
8ecc7913
JM		 789#endif
790}
791
c227f099 792static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
8ecc7913 793{
c227f099 794 ppc405_gpio_t *gpio;
8ecc7913
JM		 795
796 gpio = opaque;
797#ifdef DEBUG_GPIO
90e189ec 798 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 799#endif
800
801 return 0;
802}
803
804static void ppc405_gpio_writel (void *opaque,
c227f099 805 target_phys_addr_t addr, uint32_t value)
8ecc7913 806{
c227f099 807 ppc405_gpio_t *gpio;
8ecc7913
JM		 808
809 gpio = opaque;
810#ifdef DEBUG_GPIO
90e189ec
BS		 811 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
812 value);
8ecc7913
JM		 813#endif
814}
815
d60efc6b 816static CPUReadMemoryFunc * const ppc405_gpio_read[] = {
8ecc7913
JM		 817 &ppc405_gpio_readb,
818 &ppc405_gpio_readw,
819 &ppc405_gpio_readl,
820};
821
d60efc6b 822static CPUWriteMemoryFunc * const ppc405_gpio_write[] = {
8ecc7913
JM		 823 &ppc405_gpio_writeb,
824 &ppc405_gpio_writew,
825 &ppc405_gpio_writel,
826};
827
828static void ppc405_gpio_reset (void *opaque)
829{
c227f099 830 ppc405_gpio_t *gpio;
8ecc7913
JM		 831
832 gpio = opaque;
833}
834
c227f099 835static void ppc405_gpio_init(target_phys_addr_t base)
8ecc7913 836{
c227f099 837 ppc405_gpio_t *gpio;
802670e6 838 int io;
8ecc7913 839
c227f099 840 gpio = qemu_mallocz(sizeof(ppc405_gpio_t));
8ecc7913 841#ifdef DEBUG_GPIO
90e189ec 842 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
8ecc7913 843#endif
802670e6
BS		 844 io = cpu_register_io_memory(ppc405_gpio_read, ppc405_gpio_write, gpio);
845 cpu_register_physical_memory(base, 0x038, io);
846 ppc405_gpio_reset(gpio);
847 qemu_register_reset(&ppc405_gpio_reset, gpio);
8ecc7913
JM		 848}
849
850/*****************************************************************************/
851/* On Chip Memory */
852enum {
853 OCM0_ISARC = 0x018,
854 OCM0_ISACNTL = 0x019,
855 OCM0_DSARC = 0x01A,
856 OCM0_DSACNTL = 0x01B,
857};
858
c227f099
AL		 859typedef struct ppc405_ocm_t ppc405_ocm_t;
860struct ppc405_ocm_t {
8ecc7913
JM		 861 target_ulong offset;
862 uint32_t isarc;
863 uint32_t isacntl;
864 uint32_t dsarc;
865 uint32_t dsacntl;
866};
867
c227f099 868static void ocm_update_mappings (ppc405_ocm_t *ocm,
8ecc7913
JM		 869 uint32_t isarc, uint32_t isacntl,
870 uint32_t dsarc, uint32_t dsacntl)
871{
872#ifdef DEBUG_OCM
aae9366a
JM		 873 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
874 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
875 " (%08" PRIx32 " %08" PRIx32 ")\n",
8ecc7913
JM		 876 isarc, isacntl, dsarc, dsacntl,
877 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
878#endif
879 if (ocm->isarc != isarc ||
880 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
881 if (ocm->isacntl & 0x80000000) {
882 /* Unmap previously assigned memory region */
aae9366a 883 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
8ecc7913
JM		 884 cpu_register_physical_memory(ocm->isarc, 0x04000000,
885 IO_MEM_UNASSIGNED);
886 }
887 if (isacntl & 0x80000000) {
888 /* Map new instruction memory region */
889#ifdef DEBUG_OCM
aae9366a 890 printf("OCM map ISA %08" PRIx32 "\n", isarc);
8ecc7913
JM		 891#endif
892 cpu_register_physical_memory(isarc, 0x04000000,
893 ocm->offset | IO_MEM_RAM);
894 }
895 }
896 if (ocm->dsarc != dsarc ||
897 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
898 if (ocm->dsacntl & 0x80000000) {
899 /* Beware not to unmap the region we just mapped */
900 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
901 /* Unmap previously assigned memory region */
902#ifdef DEBUG_OCM
aae9366a 903 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
8ecc7913
JM		 904#endif
905 cpu_register_physical_memory(ocm->dsarc, 0x04000000,
906 IO_MEM_UNASSIGNED);
907 }
908 }
909 if (dsacntl & 0x80000000) {
910 /* Beware not to remap the region we just mapped */
911 if (!(isacntl & 0x80000000) || dsarc != isarc) {
912 /* Map new data memory region */
913#ifdef DEBUG_OCM
aae9366a 914 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
8ecc7913
JM		 915#endif
916 cpu_register_physical_memory(dsarc, 0x04000000,
917 ocm->offset | IO_MEM_RAM);
918 }
919 }
920 }
921}
922
923static target_ulong dcr_read_ocm (void *opaque, int dcrn)
924{
c227f099 925 ppc405_ocm_t *ocm;
8ecc7913
JM		 926 target_ulong ret;
927
928 ocm = opaque;
929 switch (dcrn) {
930 case OCM0_ISARC:
931 ret = ocm->isarc;
932 break;
933 case OCM0_ISACNTL:
934 ret = ocm->isacntl;
935 break;
936 case OCM0_DSARC:
937 ret = ocm->dsarc;
938 break;
939 case OCM0_DSACNTL:
940 ret = ocm->dsacntl;
941 break;
942 default:
943 ret = 0;
944 break;
945 }
946
947 return ret;
948}
949
950static void dcr_write_ocm (void *opaque, int dcrn, target_ulong val)
951{
c227f099 952 ppc405_ocm_t *ocm;
8ecc7913
JM		 953 uint32_t isarc, dsarc, isacntl, dsacntl;
954
955 ocm = opaque;
956 isarc = ocm->isarc;
957 dsarc = ocm->dsarc;
958 isacntl = ocm->isacntl;
959 dsacntl = ocm->dsacntl;
960 switch (dcrn) {
961 case OCM0_ISARC:
962 isarc = val & 0xFC000000;
963 break;
964 case OCM0_ISACNTL:
965 isacntl = val & 0xC0000000;
966 break;
967 case OCM0_DSARC:
968 isarc = val & 0xFC000000;
969 break;
970 case OCM0_DSACNTL:
971 isacntl = val & 0xC0000000;
972 break;
973 }
974 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
975 ocm->isarc = isarc;
976 ocm->dsarc = dsarc;
977 ocm->isacntl = isacntl;
978 ocm->dsacntl = dsacntl;
979}
980
981static void ocm_reset (void *opaque)
982{
c227f099 983 ppc405_ocm_t *ocm;
8ecc7913
JM		 984 uint32_t isarc, dsarc, isacntl, dsacntl;
985
986 ocm = opaque;
987 isarc = 0x00000000;
988 isacntl = 0x00000000;
989 dsarc = 0x00000000;
990 dsacntl = 0x00000000;
991 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
992 ocm->isarc = isarc;
993 ocm->dsarc = dsarc;
994 ocm->isacntl = isacntl;
995 ocm->dsacntl = dsacntl;
996}
997
802670e6 998static void ppc405_ocm_init(CPUState *env)
8ecc7913 999{
c227f099 1000 ppc405_ocm_t *ocm;
8ecc7913 1001
c227f099 1002 ocm = qemu_mallocz(sizeof(ppc405_ocm_t));
5c130f65 1003 ocm->offset = qemu_ram_alloc(4096);
487414f1 1004 ocm_reset(ocm);
a08d4367 1005 qemu_register_reset(&ocm_reset, ocm);
487414f1
AL		 1006 ppc_dcr_register(env, OCM0_ISARC,
1007 ocm, &dcr_read_ocm, &dcr_write_ocm);
1008 ppc_dcr_register(env, OCM0_ISACNTL,
1009 ocm, &dcr_read_ocm, &dcr_write_ocm);
1010 ppc_dcr_register(env, OCM0_DSARC,
1011 ocm, &dcr_read_ocm, &dcr_write_ocm);
1012 ppc_dcr_register(env, OCM0_DSACNTL,
1013 ocm, &dcr_read_ocm, &dcr_write_ocm);
8ecc7913
JM		 1014}
1015
1016/*****************************************************************************/
1017/* I2C controller */
c227f099
AL		 1018typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
1019struct ppc4xx_i2c_t {
9c02f1a2 1020 qemu_irq irq;
8ecc7913
JM		 1021 uint8_t mdata;
1022 uint8_t lmadr;
1023 uint8_t hmadr;
1024 uint8_t cntl;
1025 uint8_t mdcntl;
1026 uint8_t sts;
1027 uint8_t extsts;
1028 uint8_t sdata;
1029 uint8_t lsadr;
1030 uint8_t hsadr;
1031 uint8_t clkdiv;
1032 uint8_t intrmsk;
1033 uint8_t xfrcnt;
1034 uint8_t xtcntlss;
1035 uint8_t directcntl;
1036};
1037
c227f099 1038static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
8ecc7913 1039{
c227f099 1040 ppc4xx_i2c_t *i2c;
8ecc7913
JM		 1041 uint32_t ret;
1042
1043#ifdef DEBUG_I2C
90e189ec 1044 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 1045#endif
1046 i2c = opaque;
802670e6 1047 switch (addr) {
8ecc7913
JM		 1048 case 0x00:
1049 // i2c_readbyte(&i2c->mdata);
1050 ret = i2c->mdata;
1051 break;
1052 case 0x02:
1053 ret = i2c->sdata;
1054 break;
1055 case 0x04:
1056 ret = i2c->lmadr;
1057 break;
1058 case 0x05:
1059 ret = i2c->hmadr;
1060 break;
1061 case 0x06:
1062 ret = i2c->cntl;
1063 break;
1064 case 0x07:
1065 ret = i2c->mdcntl;
1066 break;
1067 case 0x08:
1068 ret = i2c->sts;
1069 break;
1070 case 0x09:
1071 ret = i2c->extsts;
1072 break;
1073 case 0x0A:
1074 ret = i2c->lsadr;
1075 break;
1076 case 0x0B:
1077 ret = i2c->hsadr;
1078 break;
1079 case 0x0C:
1080 ret = i2c->clkdiv;
1081 break;
1082 case 0x0D:
1083 ret = i2c->intrmsk;
1084 break;
1085 case 0x0E:
1086 ret = i2c->xfrcnt;
1087 break;
1088 case 0x0F:
1089 ret = i2c->xtcntlss;
1090 break;
1091 case 0x10:
1092 ret = i2c->directcntl;
1093 break;
1094 default:
1095 ret = 0x00;
1096 break;
1097 }
1098#ifdef DEBUG_I2C
90e189ec 1099 printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
8ecc7913
JM		 1100#endif
1101
1102 return ret;
1103}
1104
1105static void ppc4xx_i2c_writeb (void *opaque,
c227f099 1106 target_phys_addr_t addr, uint32_t value)
8ecc7913 1107{
c227f099 1108 ppc4xx_i2c_t *i2c;
8ecc7913
JM		 1109
1110#ifdef DEBUG_I2C
90e189ec
BS		 1111 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1112 value);
8ecc7913
JM		 1113#endif
1114 i2c = opaque;
802670e6 1115 switch (addr) {
8ecc7913
JM		 1116 case 0x00:
1117 i2c->mdata = value;
1118 // i2c_sendbyte(&i2c->mdata);
1119 break;
1120 case 0x02:
1121 i2c->sdata = value;
1122 break;
1123 case 0x04:
1124 i2c->lmadr = value;
1125 break;
1126 case 0x05:
1127 i2c->hmadr = value;
1128 break;
1129 case 0x06:
1130 i2c->cntl = value;
1131 break;
1132 case 0x07:
1133 i2c->mdcntl = value & 0xDF;
1134 break;
1135 case 0x08:
1136 i2c->sts &= ~(value & 0x0A);
1137 break;
1138 case 0x09:
1139 i2c->extsts &= ~(value & 0x8F);
1140 break;
1141 case 0x0A:
1142 i2c->lsadr = value;
1143 break;
1144 case 0x0B:
1145 i2c->hsadr = value;
1146 break;
1147 case 0x0C:
1148 i2c->clkdiv = value;
1149 break;
1150 case 0x0D:
1151 i2c->intrmsk = value;
1152 break;
1153 case 0x0E:
1154 i2c->xfrcnt = value & 0x77;
1155 break;
1156 case 0x0F:
1157 i2c->xtcntlss = value;
1158 break;
1159 case 0x10:
1160 i2c->directcntl = value & 0x7;
1161 break;
1162 }
1163}
1164
c227f099 1165static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
8ecc7913
JM		 1166{
1167 uint32_t ret;
1168
1169#ifdef DEBUG_I2C
90e189ec 1170 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 1171#endif
1172 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1173 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1174
1175 return ret;
1176}
1177
1178static void ppc4xx_i2c_writew (void *opaque,
c227f099 1179 target_phys_addr_t addr, uint32_t value)
8ecc7913
JM		 1180{
1181#ifdef DEBUG_I2C
90e189ec
BS		 1182 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1183 value);
8ecc7913
JM		 1184#endif
1185 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1186 ppc4xx_i2c_writeb(opaque, addr + 1, value);
1187}
1188
c227f099 1189static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
8ecc7913
JM		 1190{
1191 uint32_t ret;
1192
1193#ifdef DEBUG_I2C
90e189ec 1194 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
8ecc7913
JM		 1195#endif
1196 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1197 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1198 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1199 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1200
1201 return ret;
1202}
1203
1204static void ppc4xx_i2c_writel (void *opaque,
c227f099 1205 target_phys_addr_t addr, uint32_t value)
8ecc7913
JM		 1206{
1207#ifdef DEBUG_I2C
90e189ec
BS		 1208 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1209 value);
8ecc7913
JM		 1210#endif
1211 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
1212 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1213 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1214 ppc4xx_i2c_writeb(opaque, addr + 3, value);
1215}
1216
d60efc6b 1217static CPUReadMemoryFunc * const i2c_read[] = {
8ecc7913
JM		 1218 &ppc4xx_i2c_readb,
1219 &ppc4xx_i2c_readw,
1220 &ppc4xx_i2c_readl,
1221};
1222
d60efc6b 1223static CPUWriteMemoryFunc * const i2c_write[] = {
8ecc7913
JM		 1224 &ppc4xx_i2c_writeb,
1225 &ppc4xx_i2c_writew,
1226 &ppc4xx_i2c_writel,
1227};
1228
1229static void ppc4xx_i2c_reset (void *opaque)
1230{
c227f099 1231 ppc4xx_i2c_t *i2c;
8ecc7913
JM		 1232
1233 i2c = opaque;
1234 i2c->mdata = 0x00;
1235 i2c->sdata = 0x00;
1236 i2c->cntl = 0x00;
1237 i2c->mdcntl = 0x00;
1238 i2c->sts = 0x00;
1239 i2c->extsts = 0x00;
1240 i2c->clkdiv = 0x00;
1241 i2c->xfrcnt = 0x00;
1242 i2c->directcntl = 0x0F;
1243}
1244
c227f099 1245static void ppc405_i2c_init(target_phys_addr_t base, qemu_irq irq)
8ecc7913 1246{
c227f099 1247 ppc4xx_i2c_t *i2c;
802670e6 1248 int io;
8ecc7913 1249
c227f099 1250 i2c = qemu_mallocz(sizeof(ppc4xx_i2c_t));
487414f1 1251 i2c->irq = irq;
8ecc7913 1252#ifdef DEBUG_I2C
90e189ec 1253 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
8ecc7913 1254#endif
802670e6
BS		 1255 io = cpu_register_io_memory(i2c_read, i2c_write, i2c);
1256 cpu_register_physical_memory(base, 0x011, io);
1257 ppc4xx_i2c_reset(i2c);
a08d4367 1258 qemu_register_reset(ppc4xx_i2c_reset, i2c);
8ecc7913
JM		 1259}
1260
9c02f1a2
JM		 1261/*****************************************************************************/
1262/* General purpose timers */
c227f099
AL		 1263typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1264struct ppc4xx_gpt_t {
9c02f1a2
JM		 1265 int64_t tb_offset;
1266 uint32_t tb_freq;
1267 struct QEMUTimer *timer;
1268 qemu_irq irqs[5];
1269 uint32_t oe;
1270 uint32_t ol;
1271 uint32_t im;
1272 uint32_t is;
1273 uint32_t ie;
1274 uint32_t comp[5];
1275 uint32_t mask[5];
1276};
1277
c227f099 1278static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr)
9c02f1a2
JM		 1279{
1280#ifdef DEBUG_GPT
90e189ec 1281 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
9c02f1a2
JM		 1282#endif
1283 /* XXX: generate a bus fault */
1284 return -1;
1285}
1286
1287static void ppc4xx_gpt_writeb (void *opaque,
c227f099 1288 target_phys_addr_t addr, uint32_t value)
9c02f1a2
JM		 1289{
1290#ifdef DEBUG_I2C
90e189ec
BS		 1291 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1292 value);
9c02f1a2
JM		 1293#endif
1294 /* XXX: generate a bus fault */
1295}
1296
c227f099 1297static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr)
9c02f1a2
JM		 1298{
1299#ifdef DEBUG_GPT
90e189ec 1300 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
9c02f1a2
JM		 1301#endif
1302 /* XXX: generate a bus fault */
1303 return -1;
1304}
1305
1306static void ppc4xx_gpt_writew (void *opaque,
c227f099 1307 target_phys_addr_t addr, uint32_t value)
9c02f1a2
JM		 1308{
1309#ifdef DEBUG_I2C
90e189ec
BS		 1310 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1311 value);
9c02f1a2
JM		 1312#endif
1313 /* XXX: generate a bus fault */
1314}
1315
c227f099 1316static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
9c02f1a2
JM		 1317{
1318 /* XXX: TODO */
1319 return 0;
1320}
1321
c227f099 1322static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
9c02f1a2
JM		 1323{
1324 /* XXX: TODO */
1325}
1326
c227f099 1327static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
9c02f1a2
JM		 1328{
1329 uint32_t mask;
1330 int i;
1331
1332 mask = 0x80000000;
1333 for (i = 0; i < 5; i++) {
1334 if (gpt->oe & mask) {
1335 /* Output is enabled */
1336 if (ppc4xx_gpt_compare(gpt, i)) {
1337 /* Comparison is OK */
1338 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1339 } else {
1340 /* Comparison is KO */
1341 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1342 }
1343 }
1344 mask = mask >> 1;
1345 }
9c02f1a2
JM		 1346}
1347
c227f099 1348static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
9c02f1a2
JM		 1349{
1350 uint32_t mask;
1351 int i;
1352
1353 mask = 0x00008000;
1354 for (i = 0; i < 5; i++) {
1355 if (gpt->is & gpt->im & mask)
1356 qemu_irq_raise(gpt->irqs[i]);
1357 else
1358 qemu_irq_lower(gpt->irqs[i]);
1359 mask = mask >> 1;
1360 }
9c02f1a2
JM		 1361}
1362
c227f099 1363static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
9c02f1a2
JM		 1364{
1365 /* XXX: TODO */
1366}
1367
c227f099 1368static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr)
9c02f1a2 1369{
c227f099 1370 ppc4xx_gpt_t *gpt;
9c02f1a2
JM		 1371 uint32_t ret;
1372 int idx;
1373
1374#ifdef DEBUG_GPT
90e189ec 1375 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
9c02f1a2
JM		 1376#endif
1377 gpt = opaque;
802670e6 1378 switch (addr) {
9c02f1a2
JM		 1379 case 0x00:
1380 /* Time base counter */
1381 ret = muldiv64(qemu_get_clock(vm_clock) + gpt->tb_offset,
6ee093c9 1382 gpt->tb_freq, get_ticks_per_sec());
9c02f1a2
JM		 1383 break;
1384 case 0x10:
1385 /* Output enable */
1386 ret = gpt->oe;
1387 break;
1388 case 0x14:
1389 /* Output level */
1390 ret = gpt->ol;
1391 break;
1392 case 0x18:
1393 /* Interrupt mask */
1394 ret = gpt->im;
1395 break;
1396 case 0x1C:
1397 case 0x20:
1398 /* Interrupt status */
1399 ret = gpt->is;
1400 break;
1401 case 0x24:
1402 /* Interrupt enable */
1403 ret = gpt->ie;
1404 break;
1405 case 0x80 ... 0x90:
1406 /* Compare timer */
802670e6 1407 idx = (addr - 0x80) >> 2;
9c02f1a2
JM		 1408 ret = gpt->comp[idx];
1409 break;
1410 case 0xC0 ... 0xD0:
1411 /* Compare mask */
802670e6 1412 idx = (addr - 0xC0) >> 2;
9c02f1a2
JM		 1413 ret = gpt->mask[idx];
1414 break;
1415 default:
1416 ret = -1;
1417 break;
1418 }
1419
1420 return ret;
1421}
1422
1423static void ppc4xx_gpt_writel (void *opaque,
c227f099 1424 target_phys_addr_t addr, uint32_t value)
9c02f1a2 1425{
c227f099 1426 ppc4xx_gpt_t *gpt;
9c02f1a2
JM		 1427 int idx;
1428
1429#ifdef DEBUG_I2C
90e189ec
BS		 1430 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1431 value);
9c02f1a2
JM		 1432#endif
1433 gpt = opaque;
802670e6 1434 switch (addr) {
9c02f1a2
JM		 1435 case 0x00:
1436 /* Time base counter */
6ee093c9 1437 gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
9c02f1a2
JM		 1438 - qemu_get_clock(vm_clock);
1439 ppc4xx_gpt_compute_timer(gpt);
1440 break;
1441 case 0x10:
1442 /* Output enable */
1443 gpt->oe = value & 0xF8000000;
1444 ppc4xx_gpt_set_outputs(gpt);
1445 break;
1446 case 0x14:
1447 /* Output level */
1448 gpt->ol = value & 0xF8000000;
1449 ppc4xx_gpt_set_outputs(gpt);
1450 break;
1451 case 0x18:
1452 /* Interrupt mask */
1453 gpt->im = value & 0x0000F800;
1454 break;
1455 case 0x1C:
1456 /* Interrupt status set */
1457 gpt->is |= value & 0x0000F800;
1458 ppc4xx_gpt_set_irqs(gpt);
1459 break;
1460 case 0x20:
1461 /* Interrupt status clear */
1462 gpt->is &= ~(value & 0x0000F800);
1463 ppc4xx_gpt_set_irqs(gpt);
1464 break;
1465 case 0x24:
1466 /* Interrupt enable */
1467 gpt->ie = value & 0x0000F800;
1468 ppc4xx_gpt_set_irqs(gpt);
1469 break;
1470 case 0x80 ... 0x90:
1471 /* Compare timer */
802670e6 1472 idx = (addr - 0x80) >> 2;
9c02f1a2
JM		 1473 gpt->comp[idx] = value & 0xF8000000;
1474 ppc4xx_gpt_compute_timer(gpt);
1475 break;
1476 case 0xC0 ... 0xD0:
1477 /* Compare mask */
802670e6 1478 idx = (addr - 0xC0) >> 2;
9c02f1a2
JM		 1479 gpt->mask[idx] = value & 0xF8000000;
1480 ppc4xx_gpt_compute_timer(gpt);
1481 break;
1482 }
1483}
1484
d60efc6b 1485static CPUReadMemoryFunc * const gpt_read[] = {
9c02f1a2
JM		 1486 &ppc4xx_gpt_readb,
1487 &ppc4xx_gpt_readw,
1488 &ppc4xx_gpt_readl,
1489};
1490
d60efc6b 1491static CPUWriteMemoryFunc * const gpt_write[] = {
9c02f1a2
JM		 1492 &ppc4xx_gpt_writeb,
1493 &ppc4xx_gpt_writew,
1494 &ppc4xx_gpt_writel,
1495};
1496
1497static void ppc4xx_gpt_cb (void *opaque)
1498{
c227f099 1499 ppc4xx_gpt_t *gpt;
9c02f1a2
JM		 1500
1501 gpt = opaque;
1502 ppc4xx_gpt_set_irqs(gpt);
1503 ppc4xx_gpt_set_outputs(gpt);
1504 ppc4xx_gpt_compute_timer(gpt);
1505}
1506
1507static void ppc4xx_gpt_reset (void *opaque)
1508{
c227f099 1509 ppc4xx_gpt_t *gpt;
9c02f1a2
JM		 1510 int i;
1511
1512 gpt = opaque;
1513 qemu_del_timer(gpt->timer);
1514 gpt->oe = 0x00000000;
1515 gpt->ol = 0x00000000;
1516 gpt->im = 0x00000000;
1517 gpt->is = 0x00000000;
1518 gpt->ie = 0x00000000;
1519 for (i = 0; i < 5; i++) {
1520 gpt->comp[i] = 0x00000000;
1521 gpt->mask[i] = 0x00000000;
1522 }
1523}
1524
c227f099 1525static void ppc4xx_gpt_init(target_phys_addr_t base, qemu_irq irqs[5])
9c02f1a2 1526{
c227f099 1527 ppc4xx_gpt_t *gpt;
9c02f1a2 1528 int i;
802670e6 1529 int io;
9c02f1a2 1530
c227f099 1531 gpt = qemu_mallocz(sizeof(ppc4xx_gpt_t));
802670e6 1532 for (i = 0; i < 5; i++) {
487414f1 1533 gpt->irqs[i] = irqs[i];
802670e6 1534 }
487414f1 1535 gpt->timer = qemu_new_timer(vm_clock, &ppc4xx_gpt_cb, gpt);
9c02f1a2 1536#ifdef DEBUG_GPT
90e189ec 1537 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
9c02f1a2 1538#endif
802670e6
BS		 1539 io = cpu_register_io_memory(gpt_read, gpt_write, gpt);
1540 cpu_register_physical_memory(base, 0x0d4, io);
a08d4367 1541 qemu_register_reset(ppc4xx_gpt_reset, gpt);
802670e6 1542 ppc4xx_gpt_reset(gpt);
9c02f1a2
JM		 1543}
1544
1545/*****************************************************************************/
1546/* MAL */
1547enum {
1548 MAL0_CFG = 0x180,
1549 MAL0_ESR = 0x181,
1550 MAL0_IER = 0x182,
1551 MAL0_TXCASR = 0x184,
1552 MAL0_TXCARR = 0x185,
1553 MAL0_TXEOBISR = 0x186,
1554 MAL0_TXDEIR = 0x187,
1555 MAL0_RXCASR = 0x190,
1556 MAL0_RXCARR = 0x191,
1557 MAL0_RXEOBISR = 0x192,
1558 MAL0_RXDEIR = 0x193,
1559 MAL0_TXCTP0R = 0x1A0,
1560 MAL0_TXCTP1R = 0x1A1,
1561 MAL0_TXCTP2R = 0x1A2,
1562 MAL0_TXCTP3R = 0x1A3,
1563 MAL0_RXCTP0R = 0x1C0,
1564 MAL0_RXCTP1R = 0x1C1,
1565 MAL0_RCBS0 = 0x1E0,
1566 MAL0_RCBS1 = 0x1E1,
1567};
1568
c227f099
AL		 1569typedef struct ppc40x_mal_t ppc40x_mal_t;
1570struct ppc40x_mal_t {
9c02f1a2
JM		 1571 qemu_irq irqs[4];
1572 uint32_t cfg;
1573 uint32_t esr;
1574 uint32_t ier;
1575 uint32_t txcasr;
1576 uint32_t txcarr;
1577 uint32_t txeobisr;
1578 uint32_t txdeir;
1579 uint32_t rxcasr;
1580 uint32_t rxcarr;
1581 uint32_t rxeobisr;
1582 uint32_t rxdeir;
1583 uint32_t txctpr[4];
1584 uint32_t rxctpr[2];
1585 uint32_t rcbs[2];
1586};
1587
1588static void ppc40x_mal_reset (void *opaque);
1589
1590static target_ulong dcr_read_mal (void *opaque, int dcrn)
1591{
c227f099 1592 ppc40x_mal_t *mal;
9c02f1a2
JM		 1593 target_ulong ret;
1594
1595 mal = opaque;
1596 switch (dcrn) {
1597 case MAL0_CFG:
1598 ret = mal->cfg;
1599 break;
1600 case MAL0_ESR:
1601 ret = mal->esr;
1602 break;
1603 case MAL0_IER:
1604 ret = mal->ier;
1605 break;
1606 case MAL0_TXCASR:
1607 ret = mal->txcasr;
1608 break;
1609 case MAL0_TXCARR:
1610 ret = mal->txcarr;
1611 break;
1612 case MAL0_TXEOBISR:
1613 ret = mal->txeobisr;
1614 break;
1615 case MAL0_TXDEIR:
1616 ret = mal->txdeir;
1617 break;
1618 case MAL0_RXCASR:
1619 ret = mal->rxcasr;
1620 break;
1621 case MAL0_RXCARR:
1622 ret = mal->rxcarr;
1623 break;
1624 case MAL0_RXEOBISR:
1625 ret = mal->rxeobisr;
1626 break;
1627 case MAL0_RXDEIR:
1628 ret = mal->rxdeir;
1629 break;
1630 case MAL0_TXCTP0R:
1631 ret = mal->txctpr[0];
1632 break;
1633 case MAL0_TXCTP1R:
1634 ret = mal->txctpr[1];
1635 break;
1636 case MAL0_TXCTP2R:
1637 ret = mal->txctpr[2];
1638 break;
1639 case MAL0_TXCTP3R:
1640 ret = mal->txctpr[3];
1641 break;
1642 case MAL0_RXCTP0R:
1643 ret = mal->rxctpr[0];
1644 break;
1645 case MAL0_RXCTP1R:
1646 ret = mal->rxctpr[1];
1647 break;
1648 case MAL0_RCBS0:
1649 ret = mal->rcbs[0];
1650 break;
1651 case MAL0_RCBS1:
1652 ret = mal->rcbs[1];
1653 break;
1654 default:
1655 ret = 0;
1656 break;
1657 }
1658
1659 return ret;
1660}
1661
1662static void dcr_write_mal (void *opaque, int dcrn, target_ulong val)
1663{
c227f099 1664 ppc40x_mal_t *mal;
9c02f1a2
JM		 1665 int idx;
1666
1667 mal = opaque;
1668 switch (dcrn) {
1669 case MAL0_CFG:
1670 if (val & 0x80000000)
1671 ppc40x_mal_reset(mal);
1672 mal->cfg = val & 0x00FFC087;
1673 break;
1674 case MAL0_ESR:
1675 /* Read/clear */
1676 mal->esr &= ~val;
1677 break;
1678 case MAL0_IER:
1679 mal->ier = val & 0x0000001F;
1680 break;
1681 case MAL0_TXCASR:
1682 mal->txcasr = val & 0xF0000000;
1683 break;
1684 case MAL0_TXCARR:
1685 mal->txcarr = val & 0xF0000000;
1686 break;
1687 case MAL0_TXEOBISR:
1688 /* Read/clear */
1689 mal->txeobisr &= ~val;
1690 break;
1691 case MAL0_TXDEIR:
1692 /* Read/clear */
1693 mal->txdeir &= ~val;
1694 break;
1695 case MAL0_RXCASR:
1696 mal->rxcasr = val & 0xC0000000;
1697 break;
1698 case MAL0_RXCARR:
1699 mal->rxcarr = val & 0xC0000000;
1700 break;
1701 case MAL0_RXEOBISR:
1702 /* Read/clear */
1703 mal->rxeobisr &= ~val;
1704 break;
1705 case MAL0_RXDEIR:
1706 /* Read/clear */
1707 mal->rxdeir &= ~val;
1708 break;
1709 case MAL0_TXCTP0R:
1710 idx = 0;
1711 goto update_tx_ptr;
1712 case MAL0_TXCTP1R:
1713 idx = 1;
1714 goto update_tx_ptr;
1715 case MAL0_TXCTP2R:
1716 idx = 2;
1717 goto update_tx_ptr;
1718 case MAL0_TXCTP3R:
1719 idx = 3;
1720 update_tx_ptr:
1721 mal->txctpr[idx] = val;
1722 break;
1723 case MAL0_RXCTP0R:
1724 idx = 0;
1725 goto update_rx_ptr;
1726 case MAL0_RXCTP1R:
1727 idx = 1;
1728 update_rx_ptr:
1729 mal->rxctpr[idx] = val;
1730 break;
1731 case MAL0_RCBS0:
1732 idx = 0;
1733 goto update_rx_size;
1734 case MAL0_RCBS1:
1735 idx = 1;
1736 update_rx_size:
1737 mal->rcbs[idx] = val & 0x000000FF;
1738 break;
1739 }
1740}
1741
1742static void ppc40x_mal_reset (void *opaque)
1743{
c227f099 1744 ppc40x_mal_t *mal;
9c02f1a2
JM		 1745
1746 mal = opaque;
1747 mal->cfg = 0x0007C000;
1748 mal->esr = 0x00000000;
1749 mal->ier = 0x00000000;
1750 mal->rxcasr = 0x00000000;
1751 mal->rxdeir = 0x00000000;
1752 mal->rxeobisr = 0x00000000;
1753 mal->txcasr = 0x00000000;
1754 mal->txdeir = 0x00000000;
1755 mal->txeobisr = 0x00000000;
1756}
1757
802670e6 1758static void ppc405_mal_init(CPUState *env, qemu_irq irqs[4])
9c02f1a2 1759{
c227f099 1760 ppc40x_mal_t *mal;
9c02f1a2
JM		 1761 int i;
1762
c227f099 1763 mal = qemu_mallocz(sizeof(ppc40x_mal_t));
487414f1
AL		 1764 for (i = 0; i < 4; i++)
1765 mal->irqs[i] = irqs[i];
1766 ppc40x_mal_reset(mal);
a08d4367 1767 qemu_register_reset(&ppc40x_mal_reset, mal);
487414f1
AL		 1768 ppc_dcr_register(env, MAL0_CFG,
1769 mal, &dcr_read_mal, &dcr_write_mal);
1770 ppc_dcr_register(env, MAL0_ESR,
1771 mal, &dcr_read_mal, &dcr_write_mal);
1772 ppc_dcr_register(env, MAL0_IER,
1773 mal, &dcr_read_mal, &dcr_write_mal);
1774 ppc_dcr_register(env, MAL0_TXCASR,
1775 mal, &dcr_read_mal, &dcr_write_mal);
1776 ppc_dcr_register(env, MAL0_TXCARR,
1777 mal, &dcr_read_mal, &dcr_write_mal);
1778 ppc_dcr_register(env, MAL0_TXEOBISR,
1779 mal, &dcr_read_mal, &dcr_write_mal);
1780 ppc_dcr_register(env, MAL0_TXDEIR,
1781 mal, &dcr_read_mal, &dcr_write_mal);
1782 ppc_dcr_register(env, MAL0_RXCASR,
1783 mal, &dcr_read_mal, &dcr_write_mal);
1784 ppc_dcr_register(env, MAL0_RXCARR,
1785 mal, &dcr_read_mal, &dcr_write_mal);
1786 ppc_dcr_register(env, MAL0_RXEOBISR,
1787 mal, &dcr_read_mal, &dcr_write_mal);
1788 ppc_dcr_register(env, MAL0_RXDEIR,
1789 mal, &dcr_read_mal, &dcr_write_mal);
1790 ppc_dcr_register(env, MAL0_TXCTP0R,
1791 mal, &dcr_read_mal, &dcr_write_mal);
1792 ppc_dcr_register(env, MAL0_TXCTP1R,
1793 mal, &dcr_read_mal, &dcr_write_mal);
1794 ppc_dcr_register(env, MAL0_TXCTP2R,
1795 mal, &dcr_read_mal, &dcr_write_mal);
1796 ppc_dcr_register(env, MAL0_TXCTP3R,
1797 mal, &dcr_read_mal, &dcr_write_mal);
1798 ppc_dcr_register(env, MAL0_RXCTP0R,
1799 mal, &dcr_read_mal, &dcr_write_mal);
1800 ppc_dcr_register(env, MAL0_RXCTP1R,
1801 mal, &dcr_read_mal, &dcr_write_mal);
1802 ppc_dcr_register(env, MAL0_RCBS0,
1803 mal, &dcr_read_mal, &dcr_write_mal);
1804 ppc_dcr_register(env, MAL0_RCBS1,
1805 mal, &dcr_read_mal, &dcr_write_mal);
9c02f1a2
JM		 1806}
1807
8ecc7913
JM		 1808/*****************************************************************************/
1809/* SPR */
1810void ppc40x_core_reset (CPUState *env)
1811{
1812 target_ulong dbsr;
1813
1814 printf("Reset PowerPC core\n");
ef397e88
JM		 1815 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1816 /* XXX: TOFIX */
1817#if 0
8ecc7913 1818 cpu_ppc_reset(env);
ef397e88
JM		 1819#else
1820 qemu_system_reset_request();
1821#endif
8ecc7913
JM		 1822 dbsr = env->spr[SPR_40x_DBSR];
1823 dbsr &= ~0x00000300;
1824 dbsr |= 0x00000100;
1825 env->spr[SPR_40x_DBSR] = dbsr;
8ecc7913
JM		 1826}
1827
1828void ppc40x_chip_reset (CPUState *env)
1829{
1830 target_ulong dbsr;
1831
1832 printf("Reset PowerPC chip\n");
ef397e88
JM		 1833 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1834 /* XXX: TOFIX */
1835#if 0
8ecc7913 1836 cpu_ppc_reset(env);
ef397e88
JM		 1837#else
1838 qemu_system_reset_request();
1839#endif
8ecc7913
JM		 1840 /* XXX: TODO reset all internal peripherals */
1841 dbsr = env->spr[SPR_40x_DBSR];
1842 dbsr &= ~0x00000300;
04f20795 1843 dbsr |= 0x00000200;
8ecc7913 1844 env->spr[SPR_40x_DBSR] = dbsr;
8ecc7913
JM		 1845}
1846
1847void ppc40x_system_reset (CPUState *env)
1848{
1849 printf("Reset PowerPC system\n");
1850 qemu_system_reset_request();
1851}
1852
1853void store_40x_dbcr0 (CPUState *env, uint32_t val)
1854{
1855 switch ((val >> 28) & 0x3) {
1856 case 0x0:
1857 /* No action */
1858 break;
1859 case 0x1:
1860 /* Core reset */
1861 ppc40x_core_reset(env);
1862 break;
1863 case 0x2:
1864 /* Chip reset */
1865 ppc40x_chip_reset(env);
1866 break;
1867 case 0x3:
1868 /* System reset */
1869 ppc40x_system_reset(env);
1870 break;
1871 }
1872}
1873
1874/*****************************************************************************/
1875/* PowerPC 405CR */
1876enum {
1877 PPC405CR_CPC0_PLLMR = 0x0B0,
1878 PPC405CR_CPC0_CR0 = 0x0B1,
1879 PPC405CR_CPC0_CR1 = 0x0B2,
1880 PPC405CR_CPC0_PSR = 0x0B4,
1881 PPC405CR_CPC0_JTAGID = 0x0B5,
1882 PPC405CR_CPC0_ER = 0x0B9,
1883 PPC405CR_CPC0_FR = 0x0BA,
1884 PPC405CR_CPC0_SR = 0x0BB,
1885};
1886
04f20795
JM		 1887enum {
1888 PPC405CR_CPU_CLK = 0,
1889 PPC405CR_TMR_CLK = 1,
1890 PPC405CR_PLB_CLK = 2,
1891 PPC405CR_SDRAM_CLK = 3,
1892 PPC405CR_OPB_CLK = 4,
1893 PPC405CR_EXT_CLK = 5,
1894 PPC405CR_UART_CLK = 6,
1895 PPC405CR_CLK_NB = 7,
1896};
1897
c227f099
AL		 1898typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1899struct ppc405cr_cpc_t {
1900 clk_setup_t clk_setup[PPC405CR_CLK_NB];
8ecc7913
JM		 1901 uint32_t sysclk;
1902 uint32_t psr;
1903 uint32_t cr0;
1904 uint32_t cr1;
1905 uint32_t jtagid;
1906 uint32_t pllmr;
1907 uint32_t er;
1908 uint32_t fr;
1909};
1910
c227f099 1911static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
8ecc7913
JM		 1912{
1913 uint64_t VCO_out, PLL_out;
1914 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1915 int M, D0, D1, D2;
1916
1917 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1918 if (cpc->pllmr & 0x80000000) {
1919 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1920 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1921 M = D0 * D1 * D2;
1922 VCO_out = cpc->sysclk * M;
1923 if (VCO_out < 400000000 || VCO_out > 800000000) {
1924 /* PLL cannot lock */
1925 cpc->pllmr &= ~0x80000000;
1926 goto bypass_pll;
1927 }
1928 PLL_out = VCO_out / D2;
1929 } else {
1930 /* Bypass PLL */
1931 bypass_pll:
1932 M = D0;
1933 PLL_out = cpc->sysclk * M;
1934 }
1935 CPU_clk = PLL_out;
1936 if (cpc->cr1 & 0x00800000)
1937 TMR_clk = cpc->sysclk; /* Should have a separate clock */
1938 else
1939 TMR_clk = CPU_clk;
1940 PLB_clk = CPU_clk / D0;
1941 SDRAM_clk = PLB_clk;
1942 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1943 OPB_clk = PLB_clk / D0;
1944 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1945 EXT_clk = PLB_clk / D0;
1946 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1947 UART_clk = CPU_clk / D0;
1948 /* Setup CPU clocks */
04f20795 1949 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
8ecc7913 1950 /* Setup time-base clock */
04f20795 1951 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
8ecc7913 1952 /* Setup PLB clock */
04f20795 1953 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
8ecc7913 1954 /* Setup SDRAM clock */
04f20795 1955 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
8ecc7913 1956 /* Setup OPB clock */
04f20795 1957 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
8ecc7913 1958 /* Setup external clock */
04f20795 1959 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
8ecc7913 1960 /* Setup UART clock */
04f20795 1961 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
8ecc7913
JM		 1962}
1963
1964static target_ulong dcr_read_crcpc (void *opaque, int dcrn)
1965{
c227f099 1966 ppc405cr_cpc_t *cpc;
8ecc7913
JM		 1967 target_ulong ret;
1968
1969 cpc = opaque;
1970 switch (dcrn) {
1971 case PPC405CR_CPC0_PLLMR:
1972 ret = cpc->pllmr;
1973 break;
1974 case PPC405CR_CPC0_CR0:
1975 ret = cpc->cr0;
1976 break;
1977 case PPC405CR_CPC0_CR1:
1978 ret = cpc->cr1;
1979 break;
1980 case PPC405CR_CPC0_PSR:
1981 ret = cpc->psr;
1982 break;
1983 case PPC405CR_CPC0_JTAGID:
1984 ret = cpc->jtagid;
1985 break;
1986 case PPC405CR_CPC0_ER:
1987 ret = cpc->er;
1988 break;
1989 case PPC405CR_CPC0_FR:
1990 ret = cpc->fr;
1991 break;
1992 case PPC405CR_CPC0_SR:
1993 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1994 break;
1995 default:
1996 /* Avoid gcc warning */
1997 ret = 0;
1998 break;
1999 }
2000
2001 return ret;
2002}
2003
2004static void dcr_write_crcpc (void *opaque, int dcrn, target_ulong val)
2005{
c227f099 2006 ppc405cr_cpc_t *cpc;
8ecc7913
JM		 2007
2008 cpc = opaque;
2009 switch (dcrn) {
2010 case PPC405CR_CPC0_PLLMR:
2011 cpc->pllmr = val & 0xFFF77C3F;
2012 break;
2013 case PPC405CR_CPC0_CR0:
2014 cpc->cr0 = val & 0x0FFFFFFE;
2015 break;
2016 case PPC405CR_CPC0_CR1:
2017 cpc->cr1 = val & 0x00800000;
2018 break;
2019 case PPC405CR_CPC0_PSR:
2020 /* Read-only */
2021 break;
2022 case PPC405CR_CPC0_JTAGID:
2023 /* Read-only */
2024 break;
2025 case PPC405CR_CPC0_ER:
2026 cpc->er = val & 0xBFFC0000;
2027 break;
2028 case PPC405CR_CPC0_FR:
2029 cpc->fr = val & 0xBFFC0000;
2030 break;
2031 case PPC405CR_CPC0_SR:
2032 /* Read-only */
2033 break;
2034 }
2035}
2036
2037static void ppc405cr_cpc_reset (void *opaque)
2038{
c227f099 2039 ppc405cr_cpc_t *cpc;
8ecc7913
JM		 2040 int D;
2041
2042 cpc = opaque;
2043 /* Compute PLLMR value from PSR settings */
2044 cpc->pllmr = 0x80000000;
2045 /* PFWD */
2046 switch ((cpc->psr >> 30) & 3) {
2047 case 0:
2048 /* Bypass */
2049 cpc->pllmr &= ~0x80000000;
2050 break;
2051 case 1:
2052 /* Divide by 3 */
2053 cpc->pllmr |= 5 << 16;
2054 break;
2055 case 2:
2056 /* Divide by 4 */
2057 cpc->pllmr |= 4 << 16;
2058 break;
2059 case 3:
2060 /* Divide by 6 */
2061 cpc->pllmr |= 2 << 16;
2062 break;
2063 }
2064 /* PFBD */
2065 D = (cpc->psr >> 28) & 3;
2066 cpc->pllmr |= (D + 1) << 20;
2067 /* PT */
2068 D = (cpc->psr >> 25) & 7;
2069 switch (D) {
2070 case 0x2:
2071 cpc->pllmr |= 0x13;
2072 break;
2073 case 0x4:
2074 cpc->pllmr |= 0x15;
2075 break;
2076 case 0x5:
2077 cpc->pllmr |= 0x16;
2078 break;
2079 default:
2080 break;
2081 }
2082 /* PDC */
2083 D = (cpc->psr >> 23) & 3;
2084 cpc->pllmr |= D << 26;
2085 /* ODP */
2086 D = (cpc->psr >> 21) & 3;
2087 cpc->pllmr |= D << 10;
2088 /* EBPD */
2089 D = (cpc->psr >> 17) & 3;
2090 cpc->pllmr |= D << 24;
2091 cpc->cr0 = 0x0000003C;
2092 cpc->cr1 = 0x2B0D8800;
2093 cpc->er = 0x00000000;
2094 cpc->fr = 0x00000000;
2095 ppc405cr_clk_setup(cpc);
2096}
2097
c227f099 2098static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
8ecc7913
JM		 2099{
2100 int D;
2101
2102 /* XXX: this should be read from IO pins */
2103 cpc->psr = 0x00000000; /* 8 bits ROM */
2104 /* PFWD */
2105 D = 0x2; /* Divide by 4 */
2106 cpc->psr |= D << 30;
2107 /* PFBD */
2108 D = 0x1; /* Divide by 2 */
2109 cpc->psr |= D << 28;
2110 /* PDC */
2111 D = 0x1; /* Divide by 2 */
2112 cpc->psr |= D << 23;
2113 /* PT */
2114 D = 0x5; /* M = 16 */
2115 cpc->psr |= D << 25;
2116 /* ODP */
2117 D = 0x1; /* Divide by 2 */
2118 cpc->psr |= D << 21;
2119 /* EBDP */
2120 D = 0x2; /* Divide by 4 */
2121 cpc->psr |= D << 17;
2122}
2123
c227f099 2124static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
8ecc7913
JM		 2125 uint32_t sysclk)
2126{
c227f099 2127 ppc405cr_cpc_t *cpc;
8ecc7913 2128
c227f099 2129 cpc = qemu_mallocz(sizeof(ppc405cr_cpc_t));
487414f1 2130 memcpy(cpc->clk_setup, clk_setup,
c227f099 2131 PPC405CR_CLK_NB * sizeof(clk_setup_t));
487414f1
AL		 2132 cpc->sysclk = sysclk;
2133 cpc->jtagid = 0x42051049;
2134 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2135 &dcr_read_crcpc, &dcr_write_crcpc);
2136 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2137 &dcr_read_crcpc, &dcr_write_crcpc);
2138 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2139 &dcr_read_crcpc, &dcr_write_crcpc);
2140 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2141 &dcr_read_crcpc, &dcr_write_crcpc);
2142 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2143 &dcr_read_crcpc, &dcr_write_crcpc);
2144 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2145 &dcr_read_crcpc, &dcr_write_crcpc);
2146 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2147 &dcr_read_crcpc, &dcr_write_crcpc);
2148 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2149 &dcr_read_crcpc, &dcr_write_crcpc);
2150 ppc405cr_clk_init(cpc);
a08d4367 2151 qemu_register_reset(ppc405cr_cpc_reset, cpc);
487414f1 2152 ppc405cr_cpc_reset(cpc);
8ecc7913
JM		 2153}
2154
c227f099
AL		 2155CPUState *ppc405cr_init (target_phys_addr_t ram_bases[4],
2156 target_phys_addr_t ram_sizes[4],
8ecc7913 2157 uint32_t sysclk, qemu_irq **picp,
5c130f65 2158 int do_init)
8ecc7913 2159{
c227f099 2160 clk_setup_t clk_setup[PPC405CR_CLK_NB];
8ecc7913
JM		 2161 qemu_irq dma_irqs[4];
2162 CPUState *env;
8ecc7913 2163 qemu_irq *pic, *irqs;
8ecc7913
JM		 2164
2165 memset(clk_setup, 0, sizeof(clk_setup));
008ff9d7 2166 env = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
04f20795 2167 &clk_setup[PPC405CR_TMR_CLK], sysclk);
8ecc7913 2168 /* Memory mapped devices registers */
8ecc7913
JM		 2169 /* PLB arbitrer */
2170 ppc4xx_plb_init(env);
2171 /* PLB to OPB bridge */
2172 ppc4xx_pob_init(env);
2173 /* OBP arbitrer */
802670e6 2174 ppc4xx_opba_init(0xef600600);
8ecc7913
JM		 2175 /* Universal interrupt controller */
2176 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2177 irqs[PPCUIC_OUTPUT_INT] =
b48d7d69 2178 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
8ecc7913 2179 irqs[PPCUIC_OUTPUT_CINT] =
b48d7d69 2180 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
8ecc7913
JM		 2181 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2182 *picp = pic;
2183 /* SDRAM controller */
80e8bd2b 2184 ppc4xx_sdram_init(env, pic[14], 1, ram_bases, ram_sizes, do_init);
8ecc7913
JM		 2185 /* External bus controller */
2186 ppc405_ebc_init(env);
2187 /* DMA controller */
04f20795
JM		 2188 dma_irqs[0] = pic[26];
2189 dma_irqs[1] = pic[25];
2190 dma_irqs[2] = pic[24];
2191 dma_irqs[3] = pic[23];
8ecc7913
JM		 2192 ppc405_dma_init(env, dma_irqs);
2193 /* Serial ports */
2194 if (serial_hds[0] != NULL) {
802670e6
BS		 2195 serial_mm_init(0xef600300, 0, pic[0], PPC_SERIAL_MM_BAUDBASE,
2196 serial_hds[0], 1);
8ecc7913
JM		 2197 }
2198 if (serial_hds[1] != NULL) {
802670e6
BS		 2199 serial_mm_init(0xef600400, 0, pic[1], PPC_SERIAL_MM_BAUDBASE,
2200 serial_hds[1], 1);
8ecc7913
JM		 2201 }
2202 /* IIC controller */
802670e6 2203 ppc405_i2c_init(0xef600500, pic[2]);
8ecc7913 2204 /* GPIO */
802670e6 2205 ppc405_gpio_init(0xef600700);
8ecc7913
JM		 2206 /* CPU control */
2207 ppc405cr_cpc_init(env, clk_setup, sysclk);
8ecc7913
JM		 2208
2209 return env;
2210}
2211
2212/*****************************************************************************/
2213/* PowerPC 405EP */
2214/* CPU control */
2215enum {
2216 PPC405EP_CPC0_PLLMR0 = 0x0F0,
2217 PPC405EP_CPC0_BOOT = 0x0F1,
2218 PPC405EP_CPC0_EPCTL = 0x0F3,
2219 PPC405EP_CPC0_PLLMR1 = 0x0F4,
2220 PPC405EP_CPC0_UCR = 0x0F5,
2221 PPC405EP_CPC0_SRR = 0x0F6,
2222 PPC405EP_CPC0_JTAGID = 0x0F7,
2223 PPC405EP_CPC0_PCI = 0x0F9,
9c02f1a2
JM		 2224#if 0
2225 PPC405EP_CPC0_ER = xxx,
2226 PPC405EP_CPC0_FR = xxx,
2227 PPC405EP_CPC0_SR = xxx,
2228#endif
8ecc7913
JM		 2229};
2230
04f20795
JM		 2231enum {
2232 PPC405EP_CPU_CLK = 0,
2233 PPC405EP_PLB_CLK = 1,
2234 PPC405EP_OPB_CLK = 2,
2235 PPC405EP_EBC_CLK = 3,
2236 PPC405EP_MAL_CLK = 4,
2237 PPC405EP_PCI_CLK = 5,
2238 PPC405EP_UART0_CLK = 6,
2239 PPC405EP_UART1_CLK = 7,
2240 PPC405EP_CLK_NB = 8,
2241};
2242
c227f099
AL		 2243typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2244struct ppc405ep_cpc_t {
8ecc7913 2245 uint32_t sysclk;
c227f099 2246 clk_setup_t clk_setup[PPC405EP_CLK_NB];
8ecc7913
JM		 2247 uint32_t boot;
2248 uint32_t epctl;
2249 uint32_t pllmr[2];
2250 uint32_t ucr;
2251 uint32_t srr;
2252 uint32_t jtagid;
2253 uint32_t pci;
9c02f1a2
JM		 2254 /* Clock and power management */
2255 uint32_t er;
2256 uint32_t fr;
2257 uint32_t sr;
8ecc7913
JM		 2258};
2259
c227f099 2260static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
8ecc7913
JM		 2261{
2262 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2263 uint32_t UART0_clk, UART1_clk;
2264 uint64_t VCO_out, PLL_out;
2265 int M, D;
2266
2267 VCO_out = 0;
2268 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2269 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
aae9366a
JM		 2270#ifdef DEBUG_CLOCKS_LL
2271 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2272#endif
8ecc7913 2273 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
aae9366a
JM		 2274#ifdef DEBUG_CLOCKS_LL
2275 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2276#endif
8ecc7913
JM		 2277 VCO_out = cpc->sysclk * M * D;
2278 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2279 /* Error - unlock the PLL */
2280 printf("VCO out of range %" PRIu64 "\n", VCO_out);
2281#if 0
2282 cpc->pllmr[1] &= ~0x80000000;
2283 goto pll_bypass;
2284#endif
2285 }
2286 PLL_out = VCO_out / D;
9c02f1a2
JM		 2287 /* Pretend the PLL is locked */
2288 cpc->boot |= 0x00000001;
8ecc7913
JM		 2289 } else {
2290#if 0
2291 pll_bypass:
2292#endif
2293 PLL_out = cpc->sysclk;
9c02f1a2
JM		 2294 if (cpc->pllmr[1] & 0x40000000) {
2295 /* Pretend the PLL is not locked */
2296 cpc->boot &= ~0x00000001;
2297 }
8ecc7913
JM		 2298 }
2299 /* Now, compute all other clocks */
2300 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
aae9366a
JM		 2301#ifdef DEBUG_CLOCKS_LL
2302 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
8ecc7913
JM		 2303#endif
2304 CPU_clk = PLL_out / D;
2305 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
aae9366a
JM		 2306#ifdef DEBUG_CLOCKS_LL
2307 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
8ecc7913
JM		 2308#endif
2309 PLB_clk = CPU_clk / D;
2310 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
aae9366a
JM		 2311#ifdef DEBUG_CLOCKS_LL
2312 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
8ecc7913
JM		 2313#endif
2314 OPB_clk = PLB_clk / D;
2315 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
aae9366a
JM		 2316#ifdef DEBUG_CLOCKS_LL
2317 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
8ecc7913
JM		 2318#endif
2319 EBC_clk = PLB_clk / D;
2320 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
aae9366a
JM		 2321#ifdef DEBUG_CLOCKS_LL
2322 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
8ecc7913
JM		 2323#endif
2324 MAL_clk = PLB_clk / D;
2325 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
aae9366a
JM		 2326#ifdef DEBUG_CLOCKS_LL
2327 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
8ecc7913
JM		 2328#endif
2329 PCI_clk = PLB_clk / D;
2330 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
aae9366a
JM		 2331#ifdef DEBUG_CLOCKS_LL
2332 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
8ecc7913
JM		 2333#endif
2334 UART0_clk = PLL_out / D;
2335 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
aae9366a
JM		 2336#ifdef DEBUG_CLOCKS_LL
2337 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
8ecc7913
JM		 2338#endif
2339 UART1_clk = PLL_out / D;
2340#ifdef DEBUG_CLOCKS
aae9366a 2341 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
8ecc7913 2342 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
aae9366a
JM		 2343 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2344 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2345 " UART1 %" PRIu32 "\n",
8ecc7913
JM		 2346 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2347 UART0_clk, UART1_clk);
2348#endif
2349 /* Setup CPU clocks */
04f20795 2350 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
8ecc7913 2351 /* Setup PLB clock */
04f20795 2352 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
8ecc7913 2353 /* Setup OPB clock */
04f20795 2354 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
8ecc7913 2355 /* Setup external clock */
04f20795 2356 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
8ecc7913 2357 /* Setup MAL clock */
04f20795 2358 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
8ecc7913 2359 /* Setup PCI clock */
04f20795 2360 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
8ecc7913 2361 /* Setup UART0 clock */
04f20795 2362 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
8ecc7913 2363 /* Setup UART1 clock */
04f20795 2364 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
8ecc7913
JM		 2365}
2366
2367static target_ulong dcr_read_epcpc (void *opaque, int dcrn)
2368{
c227f099 2369 ppc405ep_cpc_t *cpc;
8ecc7913
JM		 2370 target_ulong ret;
2371
2372 cpc = opaque;
2373 switch (dcrn) {
2374 case PPC405EP_CPC0_BOOT:
2375 ret = cpc->boot;
2376 break;
2377 case PPC405EP_CPC0_EPCTL:
2378 ret = cpc->epctl;
2379 break;
2380 case PPC405EP_CPC0_PLLMR0:
2381 ret = cpc->pllmr[0];
2382 break;
2383 case PPC405EP_CPC0_PLLMR1:
2384 ret = cpc->pllmr[1];
2385 break;
2386 case PPC405EP_CPC0_UCR:
2387 ret = cpc->ucr;
2388 break;
2389 case PPC405EP_CPC0_SRR:
2390 ret = cpc->srr;
2391 break;
2392 case PPC405EP_CPC0_JTAGID:
2393 ret = cpc->jtagid;
2394 break;
2395 case PPC405EP_CPC0_PCI:
2396 ret = cpc->pci;
2397 break;
2398 default:
2399 /* Avoid gcc warning */
2400 ret = 0;
2401 break;
2402 }
2403
2404 return ret;
2405}
2406
2407static void dcr_write_epcpc (void *opaque, int dcrn, target_ulong val)
2408{
c227f099 2409 ppc405ep_cpc_t *cpc;
8ecc7913
JM		 2410
2411 cpc = opaque;
2412 switch (dcrn) {
2413 case PPC405EP_CPC0_BOOT:
2414 /* Read-only register */
2415 break;
2416 case PPC405EP_CPC0_EPCTL:
2417 /* Don't care for now */
2418 cpc->epctl = val & 0xC00000F3;
2419 break;
2420 case PPC405EP_CPC0_PLLMR0:
2421 cpc->pllmr[0] = val & 0x00633333;
2422 ppc405ep_compute_clocks(cpc);
2423 break;
2424 case PPC405EP_CPC0_PLLMR1:
2425 cpc->pllmr[1] = val & 0xC0F73FFF;
2426 ppc405ep_compute_clocks(cpc);
2427 break;
2428 case PPC405EP_CPC0_UCR:
2429 /* UART control - don't care for now */
2430 cpc->ucr = val & 0x003F7F7F;
2431 break;
2432 case PPC405EP_CPC0_SRR:
2433 cpc->srr = val;
2434 break;
2435 case PPC405EP_CPC0_JTAGID:
2436 /* Read-only */
2437 break;
2438 case PPC405EP_CPC0_PCI:
2439 cpc->pci = val;
2440 break;
2441 }
2442}
2443
2444static void ppc405ep_cpc_reset (void *opaque)
2445{
c227f099 2446 ppc405ep_cpc_t *cpc = opaque;
8ecc7913
JM		 2447
2448 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
2449 cpc->epctl = 0x00000000;
2450 cpc->pllmr[0] = 0x00011010;
2451 cpc->pllmr[1] = 0x40000000;
2452 cpc->ucr = 0x00000000;
2453 cpc->srr = 0x00040000;
2454 cpc->pci = 0x00000000;
9c02f1a2
JM		 2455 cpc->er = 0x00000000;
2456 cpc->fr = 0x00000000;
2457 cpc->sr = 0x00000000;
8ecc7913
JM		 2458 ppc405ep_compute_clocks(cpc);
2459}
2460
2461/* XXX: sysclk should be between 25 and 100 MHz */
c227f099 2462static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
8ecc7913
JM		 2463 uint32_t sysclk)
2464{
c227f099 2465 ppc405ep_cpc_t *cpc;
8ecc7913 2466
c227f099 2467 cpc = qemu_mallocz(sizeof(ppc405ep_cpc_t));
487414f1 2468 memcpy(cpc->clk_setup, clk_setup,
c227f099 2469 PPC405EP_CLK_NB * sizeof(clk_setup_t));
487414f1
AL		 2470 cpc->jtagid = 0x20267049;
2471 cpc->sysclk = sysclk;
2472 ppc405ep_cpc_reset(cpc);
a08d4367 2473 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
487414f1
AL		 2474 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2475 &dcr_read_epcpc, &dcr_write_epcpc);
2476 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2477 &dcr_read_epcpc, &dcr_write_epcpc);
2478 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2479 &dcr_read_epcpc, &dcr_write_epcpc);
2480 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2481 &dcr_read_epcpc, &dcr_write_epcpc);
2482 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2483 &dcr_read_epcpc, &dcr_write_epcpc);
2484 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2485 &dcr_read_epcpc, &dcr_write_epcpc);
2486 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2487 &dcr_read_epcpc, &dcr_write_epcpc);
2488 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2489 &dcr_read_epcpc, &dcr_write_epcpc);
9c02f1a2 2490#if 0
487414f1
AL		 2491 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2492 &dcr_read_epcpc, &dcr_write_epcpc);
2493 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2494 &dcr_read_epcpc, &dcr_write_epcpc);
2495 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2496 &dcr_read_epcpc, &dcr_write_epcpc);
9c02f1a2 2497#endif
8ecc7913
JM		 2498}
2499
c227f099
AL		 2500CPUState *ppc405ep_init (target_phys_addr_t ram_bases[2],
2501 target_phys_addr_t ram_sizes[2],
8ecc7913 2502 uint32_t sysclk, qemu_irq **picp,
5c130f65 2503 int do_init)
8ecc7913 2504{
c227f099 2505 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
9c02f1a2 2506 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
8ecc7913 2507 CPUState *env;
8ecc7913 2508 qemu_irq *pic, *irqs;
8ecc7913
JM		 2509
2510 memset(clk_setup, 0, sizeof(clk_setup));
2511 /* init CPUs */
008ff9d7 2512 env = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
9c02f1a2
JM		 2513 &tlb_clk_setup, sysclk);
2514 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2515 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
8ecc7913
JM		 2516 /* Internal devices init */
2517 /* Memory mapped devices registers */
8ecc7913
JM		 2518 /* PLB arbitrer */
2519 ppc4xx_plb_init(env);
2520 /* PLB to OPB bridge */
2521 ppc4xx_pob_init(env);
2522 /* OBP arbitrer */
802670e6 2523 ppc4xx_opba_init(0xef600600);
8ecc7913
JM		 2524 /* Universal interrupt controller */
2525 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2526 irqs[PPCUIC_OUTPUT_INT] =
b48d7d69 2527 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
8ecc7913 2528 irqs[PPCUIC_OUTPUT_CINT] =
b48d7d69 2529 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
8ecc7913
JM		 2530 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2531 *picp = pic;
2532 /* SDRAM controller */
923e5e33 2533 /* XXX 405EP has no ECC interrupt */
80e8bd2b 2534 ppc4xx_sdram_init(env, pic[17], 2, ram_bases, ram_sizes, do_init);
8ecc7913
JM		 2535 /* External bus controller */
2536 ppc405_ebc_init(env);
2537 /* DMA controller */
923e5e33
AJ		 2538 dma_irqs[0] = pic[5];
2539 dma_irqs[1] = pic[6];
2540 dma_irqs[2] = pic[7];
2541 dma_irqs[3] = pic[8];
8ecc7913
JM		 2542 ppc405_dma_init(env, dma_irqs);
2543 /* IIC controller */
802670e6 2544 ppc405_i2c_init(0xef600500, pic[2]);
8ecc7913 2545 /* GPIO */
802670e6 2546 ppc405_gpio_init(0xef600700);
8ecc7913
JM		 2547 /* Serial ports */
2548 if (serial_hds[0] != NULL) {
802670e6
BS		 2549 serial_mm_init(0xef600300, 0, pic[0], PPC_SERIAL_MM_BAUDBASE,
2550 serial_hds[0], 1);
8ecc7913
JM		 2551 }
2552 if (serial_hds[1] != NULL) {
802670e6
BS		 2553 serial_mm_init(0xef600400, 0, pic[1], PPC_SERIAL_MM_BAUDBASE,
2554 serial_hds[1], 1);
8ecc7913
JM		 2555 }
2556 /* OCM */
5c130f65 2557 ppc405_ocm_init(env);
9c02f1a2 2558 /* GPT */
923e5e33
AJ		 2559 gpt_irqs[0] = pic[19];
2560 gpt_irqs[1] = pic[20];
2561 gpt_irqs[2] = pic[21];
2562 gpt_irqs[3] = pic[22];
2563 gpt_irqs[4] = pic[23];
802670e6 2564 ppc4xx_gpt_init(0xef600000, gpt_irqs);
8ecc7913 2565 /* PCI */
923e5e33 2566 /* Uses pic[3], pic[16], pic[18] */
9c02f1a2 2567 /* MAL */
923e5e33
AJ		 2568 mal_irqs[0] = pic[11];
2569 mal_irqs[1] = pic[12];
2570 mal_irqs[2] = pic[13];
2571 mal_irqs[3] = pic[14];
9c02f1a2
JM		 2572 ppc405_mal_init(env, mal_irqs);
2573 /* Ethernet */
923e5e33 2574 /* Uses pic[9], pic[15], pic[17] */
8ecc7913
JM		 2575 /* CPU control */
2576 ppc405ep_cpc_init(env, clk_setup, sysclk);
8ecc7913
JM		 2577
2578 return env;
2579}
Qemu copy for testing