1 /* 2 * QEMU PowerPC 405 embedded processors emulation 3 * 4 * Copyright (c) 2007 Jocelyn Mayer 5 * 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 */ 24 #include "hw/hw.h" 25 #include "hw/ppc/ppc.h" 26 #include "ppc405.h" 27 #include "hw/char/serial.h" 28 #include "qemu/timer.h" 29 #include "sysemu/sysemu.h" 30 #include "qemu/log.h" 31 #include "exec/address-spaces.h" 32 33 //#define DEBUG_OPBA 34 //#define DEBUG_SDRAM 35 //#define DEBUG_GPIO 36 //#define DEBUG_SERIAL 37 //#define DEBUG_OCM 38 //#define DEBUG_I2C 39 //#define DEBUG_GPT 40 //#define DEBUG_MAL 41 //#define DEBUG_CLOCKS 42 //#define DEBUG_CLOCKS_LL 43 44 ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd, 45 uint32_t flags) 46 { 47 CPUState *cs = CPU(ppc_env_get_cpu(env)); 48 ram_addr_t bdloc; 49 int i, n; 50 51 /* We put the bd structure at the top of memory */ 52 if (bd->bi_memsize >= 0x01000000UL) 53 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t); 54 else 55 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t); 56 stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart); 57 stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize); 58 stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart); 59 stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize); 60 stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset); 61 stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart); 62 stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize); 63 stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags); 64 stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr); 65 for (i = 0; i < 6; i++) { 66 stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]); 67 } 68 stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed); 69 stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq); 70 stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq); 71 stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate); 72 for (i = 0; i < 4; i++) { 73 stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]); 74 } 75 for (i = 0; i < 32; i++) { 76 stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]); 77 } 78 stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq); 79 stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq); 80 for (i = 0; i < 6; i++) { 81 stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]); 82 } 83 n = 0x6A; 84 if (flags & 0x00000001) { 85 for (i = 0; i < 6; i++) 86 stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]); 87 } 88 stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq); 89 n += 4; 90 for (i = 0; i < 2; i++) { 91 stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]); 92 n += 4; 93 } 94 95 return bdloc; 96 } 97 98 /*****************************************************************************/ 99 /* Shared peripherals */ 100 101 /*****************************************************************************/ 102 /* Peripheral local bus arbitrer */ 103 enum { 104 PLB0_BESR = 0x084, 105 PLB0_BEAR = 0x086, 106 PLB0_ACR = 0x087, 107 }; 108 109 typedef struct ppc4xx_plb_t ppc4xx_plb_t; 110 struct ppc4xx_plb_t { 111 uint32_t acr; 112 uint32_t bear; 113 uint32_t besr; 114 }; 115 116 static uint32_t dcr_read_plb (void *opaque, int dcrn) 117 { 118 ppc4xx_plb_t *plb; 119 uint32_t ret; 120 121 plb = opaque; 122 switch (dcrn) { 123 case PLB0_ACR: 124 ret = plb->acr; 125 break; 126 case PLB0_BEAR: 127 ret = plb->bear; 128 break; 129 case PLB0_BESR: 130 ret = plb->besr; 131 break; 132 default: 133 /* Avoid gcc warning */ 134 ret = 0; 135 break; 136 } 137 138 return ret; 139 } 140 141 static void dcr_write_plb (void *opaque, int dcrn, uint32_t val) 142 { 143 ppc4xx_plb_t *plb; 144 145 plb = opaque; 146 switch (dcrn) { 147 case PLB0_ACR: 148 /* We don't care about the actual parameters written as 149 * we don't manage any priorities on the bus 150 */ 151 plb->acr = val & 0xF8000000; 152 break; 153 case PLB0_BEAR: 154 /* Read only */ 155 break; 156 case PLB0_BESR: 157 /* Write-clear */ 158 plb->besr &= ~val; 159 break; 160 } 161 } 162 163 static void ppc4xx_plb_reset (void *opaque) 164 { 165 ppc4xx_plb_t *plb; 166 167 plb = opaque; 168 plb->acr = 0x00000000; 169 plb->bear = 0x00000000; 170 plb->besr = 0x00000000; 171 } 172 173 static void ppc4xx_plb_init(CPUPPCState *env) 174 { 175 ppc4xx_plb_t *plb; 176 177 plb = g_malloc0(sizeof(ppc4xx_plb_t)); 178 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb); 179 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb); 180 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb); 181 qemu_register_reset(ppc4xx_plb_reset, plb); 182 } 183 184 /*****************************************************************************/ 185 /* PLB to OPB bridge */ 186 enum { 187 POB0_BESR0 = 0x0A0, 188 POB0_BESR1 = 0x0A2, 189 POB0_BEAR = 0x0A4, 190 }; 191 192 typedef struct ppc4xx_pob_t ppc4xx_pob_t; 193 struct ppc4xx_pob_t { 194 uint32_t bear; 195 uint32_t besr0; 196 uint32_t besr1; 197 }; 198 199 static uint32_t dcr_read_pob (void *opaque, int dcrn) 200 { 201 ppc4xx_pob_t *pob; 202 uint32_t ret; 203 204 pob = opaque; 205 switch (dcrn) { 206 case POB0_BEAR: 207 ret = pob->bear; 208 break; 209 case POB0_BESR0: 210 ret = pob->besr0; 211 break; 212 case POB0_BESR1: 213 ret = pob->besr1; 214 break; 215 default: 216 /* Avoid gcc warning */ 217 ret = 0; 218 break; 219 } 220 221 return ret; 222 } 223 224 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val) 225 { 226 ppc4xx_pob_t *pob; 227 228 pob = opaque; 229 switch (dcrn) { 230 case POB0_BEAR: 231 /* Read only */ 232 break; 233 case POB0_BESR0: 234 /* Write-clear */ 235 pob->besr0 &= ~val; 236 break; 237 case POB0_BESR1: 238 /* Write-clear */ 239 pob->besr1 &= ~val; 240 break; 241 } 242 } 243 244 static void ppc4xx_pob_reset (void *opaque) 245 { 246 ppc4xx_pob_t *pob; 247 248 pob = opaque; 249 /* No error */ 250 pob->bear = 0x00000000; 251 pob->besr0 = 0x0000000; 252 pob->besr1 = 0x0000000; 253 } 254 255 static void ppc4xx_pob_init(CPUPPCState *env) 256 { 257 ppc4xx_pob_t *pob; 258 259 pob = g_malloc0(sizeof(ppc4xx_pob_t)); 260 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob); 261 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob); 262 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob); 263 qemu_register_reset(ppc4xx_pob_reset, pob); 264 } 265 266 /*****************************************************************************/ 267 /* OPB arbitrer */ 268 typedef struct ppc4xx_opba_t ppc4xx_opba_t; 269 struct ppc4xx_opba_t { 270 MemoryRegion io; 271 uint8_t cr; 272 uint8_t pr; 273 }; 274 275 static uint32_t opba_readb (void *opaque, hwaddr addr) 276 { 277 ppc4xx_opba_t *opba; 278 uint32_t ret; 279 280 #ifdef DEBUG_OPBA 281 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 282 #endif 283 opba = opaque; 284 switch (addr) { 285 case 0x00: 286 ret = opba->cr; 287 break; 288 case 0x01: 289 ret = opba->pr; 290 break; 291 default: 292 ret = 0x00; 293 break; 294 } 295 296 return ret; 297 } 298 299 static void opba_writeb (void *opaque, 300 hwaddr addr, uint32_t value) 301 { 302 ppc4xx_opba_t *opba; 303 304 #ifdef DEBUG_OPBA 305 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 306 value); 307 #endif 308 opba = opaque; 309 switch (addr) { 310 case 0x00: 311 opba->cr = value & 0xF8; 312 break; 313 case 0x01: 314 opba->pr = value & 0xFF; 315 break; 316 default: 317 break; 318 } 319 } 320 321 static uint32_t opba_readw (void *opaque, hwaddr addr) 322 { 323 uint32_t ret; 324 325 #ifdef DEBUG_OPBA 326 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 327 #endif 328 ret = opba_readb(opaque, addr) << 8; 329 ret |= opba_readb(opaque, addr + 1); 330 331 return ret; 332 } 333 334 static void opba_writew (void *opaque, 335 hwaddr addr, uint32_t value) 336 { 337 #ifdef DEBUG_OPBA 338 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 339 value); 340 #endif 341 opba_writeb(opaque, addr, value >> 8); 342 opba_writeb(opaque, addr + 1, value); 343 } 344 345 static uint32_t opba_readl (void *opaque, hwaddr addr) 346 { 347 uint32_t ret; 348 349 #ifdef DEBUG_OPBA 350 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 351 #endif 352 ret = opba_readb(opaque, addr) << 24; 353 ret |= opba_readb(opaque, addr + 1) << 16; 354 355 return ret; 356 } 357 358 static void opba_writel (void *opaque, 359 hwaddr addr, uint32_t value) 360 { 361 #ifdef DEBUG_OPBA 362 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 363 value); 364 #endif 365 opba_writeb(opaque, addr, value >> 24); 366 opba_writeb(opaque, addr + 1, value >> 16); 367 } 368 369 static const MemoryRegionOps opba_ops = { 370 .old_mmio = { 371 .read = { opba_readb, opba_readw, opba_readl, }, 372 .write = { opba_writeb, opba_writew, opba_writel, }, 373 }, 374 .endianness = DEVICE_NATIVE_ENDIAN, 375 }; 376 377 static void ppc4xx_opba_reset (void *opaque) 378 { 379 ppc4xx_opba_t *opba; 380 381 opba = opaque; 382 opba->cr = 0x00; /* No dynamic priorities - park disabled */ 383 opba->pr = 0x11; 384 } 385 386 static void ppc4xx_opba_init(hwaddr base) 387 { 388 ppc4xx_opba_t *opba; 389 390 opba = g_malloc0(sizeof(ppc4xx_opba_t)); 391 #ifdef DEBUG_OPBA 392 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); 393 #endif 394 memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002); 395 memory_region_add_subregion(get_system_memory(), base, &opba->io); 396 qemu_register_reset(ppc4xx_opba_reset, opba); 397 } 398 399 /*****************************************************************************/ 400 /* Code decompression controller */ 401 /* XXX: TODO */ 402 403 /*****************************************************************************/ 404 /* Peripheral controller */ 405 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t; 406 struct ppc4xx_ebc_t { 407 uint32_t addr; 408 uint32_t bcr[8]; 409 uint32_t bap[8]; 410 uint32_t bear; 411 uint32_t besr0; 412 uint32_t besr1; 413 uint32_t cfg; 414 }; 415 416 enum { 417 EBC0_CFGADDR = 0x012, 418 EBC0_CFGDATA = 0x013, 419 }; 420 421 static uint32_t dcr_read_ebc (void *opaque, int dcrn) 422 { 423 ppc4xx_ebc_t *ebc; 424 uint32_t ret; 425 426 ebc = opaque; 427 switch (dcrn) { 428 case EBC0_CFGADDR: 429 ret = ebc->addr; 430 break; 431 case EBC0_CFGDATA: 432 switch (ebc->addr) { 433 case 0x00: /* B0CR */ 434 ret = ebc->bcr[0]; 435 break; 436 case 0x01: /* B1CR */ 437 ret = ebc->bcr[1]; 438 break; 439 case 0x02: /* B2CR */ 440 ret = ebc->bcr[2]; 441 break; 442 case 0x03: /* B3CR */ 443 ret = ebc->bcr[3]; 444 break; 445 case 0x04: /* B4CR */ 446 ret = ebc->bcr[4]; 447 break; 448 case 0x05: /* B5CR */ 449 ret = ebc->bcr[5]; 450 break; 451 case 0x06: /* B6CR */ 452 ret = ebc->bcr[6]; 453 break; 454 case 0x07: /* B7CR */ 455 ret = ebc->bcr[7]; 456 break; 457 case 0x10: /* B0AP */ 458 ret = ebc->bap[0]; 459 break; 460 case 0x11: /* B1AP */ 461 ret = ebc->bap[1]; 462 break; 463 case 0x12: /* B2AP */ 464 ret = ebc->bap[2]; 465 break; 466 case 0x13: /* B3AP */ 467 ret = ebc->bap[3]; 468 break; 469 case 0x14: /* B4AP */ 470 ret = ebc->bap[4]; 471 break; 472 case 0x15: /* B5AP */ 473 ret = ebc->bap[5]; 474 break; 475 case 0x16: /* B6AP */ 476 ret = ebc->bap[6]; 477 break; 478 case 0x17: /* B7AP */ 479 ret = ebc->bap[7]; 480 break; 481 case 0x20: /* BEAR */ 482 ret = ebc->bear; 483 break; 484 case 0x21: /* BESR0 */ 485 ret = ebc->besr0; 486 break; 487 case 0x22: /* BESR1 */ 488 ret = ebc->besr1; 489 break; 490 case 0x23: /* CFG */ 491 ret = ebc->cfg; 492 break; 493 default: 494 ret = 0x00000000; 495 break; 496 } 497 break; 498 default: 499 ret = 0x00000000; 500 break; 501 } 502 503 return ret; 504 } 505 506 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) 507 { 508 ppc4xx_ebc_t *ebc; 509 510 ebc = opaque; 511 switch (dcrn) { 512 case EBC0_CFGADDR: 513 ebc->addr = val; 514 break; 515 case EBC0_CFGDATA: 516 switch (ebc->addr) { 517 case 0x00: /* B0CR */ 518 break; 519 case 0x01: /* B1CR */ 520 break; 521 case 0x02: /* B2CR */ 522 break; 523 case 0x03: /* B3CR */ 524 break; 525 case 0x04: /* B4CR */ 526 break; 527 case 0x05: /* B5CR */ 528 break; 529 case 0x06: /* B6CR */ 530 break; 531 case 0x07: /* B7CR */ 532 break; 533 case 0x10: /* B0AP */ 534 break; 535 case 0x11: /* B1AP */ 536 break; 537 case 0x12: /* B2AP */ 538 break; 539 case 0x13: /* B3AP */ 540 break; 541 case 0x14: /* B4AP */ 542 break; 543 case 0x15: /* B5AP */ 544 break; 545 case 0x16: /* B6AP */ 546 break; 547 case 0x17: /* B7AP */ 548 break; 549 case 0x20: /* BEAR */ 550 break; 551 case 0x21: /* BESR0 */ 552 break; 553 case 0x22: /* BESR1 */ 554 break; 555 case 0x23: /* CFG */ 556 break; 557 default: 558 break; 559 } 560 break; 561 default: 562 break; 563 } 564 } 565 566 static void ebc_reset (void *opaque) 567 { 568 ppc4xx_ebc_t *ebc; 569 int i; 570 571 ebc = opaque; 572 ebc->addr = 0x00000000; 573 ebc->bap[0] = 0x7F8FFE80; 574 ebc->bcr[0] = 0xFFE28000; 575 for (i = 0; i < 8; i++) { 576 ebc->bap[i] = 0x00000000; 577 ebc->bcr[i] = 0x00000000; 578 } 579 ebc->besr0 = 0x00000000; 580 ebc->besr1 = 0x00000000; 581 ebc->cfg = 0x80400000; 582 } 583 584 static void ppc405_ebc_init(CPUPPCState *env) 585 { 586 ppc4xx_ebc_t *ebc; 587 588 ebc = g_malloc0(sizeof(ppc4xx_ebc_t)); 589 qemu_register_reset(&ebc_reset, ebc); 590 ppc_dcr_register(env, EBC0_CFGADDR, 591 ebc, &dcr_read_ebc, &dcr_write_ebc); 592 ppc_dcr_register(env, EBC0_CFGDATA, 593 ebc, &dcr_read_ebc, &dcr_write_ebc); 594 } 595 596 /*****************************************************************************/ 597 /* DMA controller */ 598 enum { 599 DMA0_CR0 = 0x100, 600 DMA0_CT0 = 0x101, 601 DMA0_DA0 = 0x102, 602 DMA0_SA0 = 0x103, 603 DMA0_SG0 = 0x104, 604 DMA0_CR1 = 0x108, 605 DMA0_CT1 = 0x109, 606 DMA0_DA1 = 0x10A, 607 DMA0_SA1 = 0x10B, 608 DMA0_SG1 = 0x10C, 609 DMA0_CR2 = 0x110, 610 DMA0_CT2 = 0x111, 611 DMA0_DA2 = 0x112, 612 DMA0_SA2 = 0x113, 613 DMA0_SG2 = 0x114, 614 DMA0_CR3 = 0x118, 615 DMA0_CT3 = 0x119, 616 DMA0_DA3 = 0x11A, 617 DMA0_SA3 = 0x11B, 618 DMA0_SG3 = 0x11C, 619 DMA0_SR = 0x120, 620 DMA0_SGC = 0x123, 621 DMA0_SLP = 0x125, 622 DMA0_POL = 0x126, 623 }; 624 625 typedef struct ppc405_dma_t ppc405_dma_t; 626 struct ppc405_dma_t { 627 qemu_irq irqs[4]; 628 uint32_t cr[4]; 629 uint32_t ct[4]; 630 uint32_t da[4]; 631 uint32_t sa[4]; 632 uint32_t sg[4]; 633 uint32_t sr; 634 uint32_t sgc; 635 uint32_t slp; 636 uint32_t pol; 637 }; 638 639 static uint32_t dcr_read_dma (void *opaque, int dcrn) 640 { 641 return 0; 642 } 643 644 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val) 645 { 646 } 647 648 static void ppc405_dma_reset (void *opaque) 649 { 650 ppc405_dma_t *dma; 651 int i; 652 653 dma = opaque; 654 for (i = 0; i < 4; i++) { 655 dma->cr[i] = 0x00000000; 656 dma->ct[i] = 0x00000000; 657 dma->da[i] = 0x00000000; 658 dma->sa[i] = 0x00000000; 659 dma->sg[i] = 0x00000000; 660 } 661 dma->sr = 0x00000000; 662 dma->sgc = 0x00000000; 663 dma->slp = 0x7C000000; 664 dma->pol = 0x00000000; 665 } 666 667 static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4]) 668 { 669 ppc405_dma_t *dma; 670 671 dma = g_malloc0(sizeof(ppc405_dma_t)); 672 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq)); 673 qemu_register_reset(&ppc405_dma_reset, dma); 674 ppc_dcr_register(env, DMA0_CR0, 675 dma, &dcr_read_dma, &dcr_write_dma); 676 ppc_dcr_register(env, DMA0_CT0, 677 dma, &dcr_read_dma, &dcr_write_dma); 678 ppc_dcr_register(env, DMA0_DA0, 679 dma, &dcr_read_dma, &dcr_write_dma); 680 ppc_dcr_register(env, DMA0_SA0, 681 dma, &dcr_read_dma, &dcr_write_dma); 682 ppc_dcr_register(env, DMA0_SG0, 683 dma, &dcr_read_dma, &dcr_write_dma); 684 ppc_dcr_register(env, DMA0_CR1, 685 dma, &dcr_read_dma, &dcr_write_dma); 686 ppc_dcr_register(env, DMA0_CT1, 687 dma, &dcr_read_dma, &dcr_write_dma); 688 ppc_dcr_register(env, DMA0_DA1, 689 dma, &dcr_read_dma, &dcr_write_dma); 690 ppc_dcr_register(env, DMA0_SA1, 691 dma, &dcr_read_dma, &dcr_write_dma); 692 ppc_dcr_register(env, DMA0_SG1, 693 dma, &dcr_read_dma, &dcr_write_dma); 694 ppc_dcr_register(env, DMA0_CR2, 695 dma, &dcr_read_dma, &dcr_write_dma); 696 ppc_dcr_register(env, DMA0_CT2, 697 dma, &dcr_read_dma, &dcr_write_dma); 698 ppc_dcr_register(env, DMA0_DA2, 699 dma, &dcr_read_dma, &dcr_write_dma); 700 ppc_dcr_register(env, DMA0_SA2, 701 dma, &dcr_read_dma, &dcr_write_dma); 702 ppc_dcr_register(env, DMA0_SG2, 703 dma, &dcr_read_dma, &dcr_write_dma); 704 ppc_dcr_register(env, DMA0_CR3, 705 dma, &dcr_read_dma, &dcr_write_dma); 706 ppc_dcr_register(env, DMA0_CT3, 707 dma, &dcr_read_dma, &dcr_write_dma); 708 ppc_dcr_register(env, DMA0_DA3, 709 dma, &dcr_read_dma, &dcr_write_dma); 710 ppc_dcr_register(env, DMA0_SA3, 711 dma, &dcr_read_dma, &dcr_write_dma); 712 ppc_dcr_register(env, DMA0_SG3, 713 dma, &dcr_read_dma, &dcr_write_dma); 714 ppc_dcr_register(env, DMA0_SR, 715 dma, &dcr_read_dma, &dcr_write_dma); 716 ppc_dcr_register(env, DMA0_SGC, 717 dma, &dcr_read_dma, &dcr_write_dma); 718 ppc_dcr_register(env, DMA0_SLP, 719 dma, &dcr_read_dma, &dcr_write_dma); 720 ppc_dcr_register(env, DMA0_POL, 721 dma, &dcr_read_dma, &dcr_write_dma); 722 } 723 724 /*****************************************************************************/ 725 /* GPIO */ 726 typedef struct ppc405_gpio_t ppc405_gpio_t; 727 struct ppc405_gpio_t { 728 MemoryRegion io; 729 uint32_t or; 730 uint32_t tcr; 731 uint32_t osrh; 732 uint32_t osrl; 733 uint32_t tsrh; 734 uint32_t tsrl; 735 uint32_t odr; 736 uint32_t ir; 737 uint32_t rr1; 738 uint32_t isr1h; 739 uint32_t isr1l; 740 }; 741 742 static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr) 743 { 744 #ifdef DEBUG_GPIO 745 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 746 #endif 747 748 return 0; 749 } 750 751 static void ppc405_gpio_writeb (void *opaque, 752 hwaddr addr, uint32_t value) 753 { 754 #ifdef DEBUG_GPIO 755 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 756 value); 757 #endif 758 } 759 760 static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr) 761 { 762 #ifdef DEBUG_GPIO 763 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 764 #endif 765 766 return 0; 767 } 768 769 static void ppc405_gpio_writew (void *opaque, 770 hwaddr addr, uint32_t value) 771 { 772 #ifdef DEBUG_GPIO 773 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 774 value); 775 #endif 776 } 777 778 static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr) 779 { 780 #ifdef DEBUG_GPIO 781 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 782 #endif 783 784 return 0; 785 } 786 787 static void ppc405_gpio_writel (void *opaque, 788 hwaddr addr, uint32_t value) 789 { 790 #ifdef DEBUG_GPIO 791 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 792 value); 793 #endif 794 } 795 796 static const MemoryRegionOps ppc405_gpio_ops = { 797 .old_mmio = { 798 .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, }, 799 .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, }, 800 }, 801 .endianness = DEVICE_NATIVE_ENDIAN, 802 }; 803 804 static void ppc405_gpio_reset (void *opaque) 805 { 806 } 807 808 static void ppc405_gpio_init(hwaddr base) 809 { 810 ppc405_gpio_t *gpio; 811 812 gpio = g_malloc0(sizeof(ppc405_gpio_t)); 813 #ifdef DEBUG_GPIO 814 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); 815 #endif 816 memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038); 817 memory_region_add_subregion(get_system_memory(), base, &gpio->io); 818 qemu_register_reset(&ppc405_gpio_reset, gpio); 819 } 820 821 /*****************************************************************************/ 822 /* On Chip Memory */ 823 enum { 824 OCM0_ISARC = 0x018, 825 OCM0_ISACNTL = 0x019, 826 OCM0_DSARC = 0x01A, 827 OCM0_DSACNTL = 0x01B, 828 }; 829 830 typedef struct ppc405_ocm_t ppc405_ocm_t; 831 struct ppc405_ocm_t { 832 MemoryRegion ram; 833 MemoryRegion isarc_ram; 834 MemoryRegion dsarc_ram; 835 uint32_t isarc; 836 uint32_t isacntl; 837 uint32_t dsarc; 838 uint32_t dsacntl; 839 }; 840 841 static void ocm_update_mappings (ppc405_ocm_t *ocm, 842 uint32_t isarc, uint32_t isacntl, 843 uint32_t dsarc, uint32_t dsacntl) 844 { 845 #ifdef DEBUG_OCM 846 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32 847 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32 848 " (%08" PRIx32 " %08" PRIx32 ")\n", 849 isarc, isacntl, dsarc, dsacntl, 850 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl); 851 #endif 852 if (ocm->isarc != isarc || 853 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) { 854 if (ocm->isacntl & 0x80000000) { 855 /* Unmap previously assigned memory region */ 856 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc); 857 memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram); 858 } 859 if (isacntl & 0x80000000) { 860 /* Map new instruction memory region */ 861 #ifdef DEBUG_OCM 862 printf("OCM map ISA %08" PRIx32 "\n", isarc); 863 #endif 864 memory_region_add_subregion(get_system_memory(), isarc, 865 &ocm->isarc_ram); 866 } 867 } 868 if (ocm->dsarc != dsarc || 869 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) { 870 if (ocm->dsacntl & 0x80000000) { 871 /* Beware not to unmap the region we just mapped */ 872 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) { 873 /* Unmap previously assigned memory region */ 874 #ifdef DEBUG_OCM 875 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc); 876 #endif 877 memory_region_del_subregion(get_system_memory(), 878 &ocm->dsarc_ram); 879 } 880 } 881 if (dsacntl & 0x80000000) { 882 /* Beware not to remap the region we just mapped */ 883 if (!(isacntl & 0x80000000) || dsarc != isarc) { 884 /* Map new data memory region */ 885 #ifdef DEBUG_OCM 886 printf("OCM map DSA %08" PRIx32 "\n", dsarc); 887 #endif 888 memory_region_add_subregion(get_system_memory(), dsarc, 889 &ocm->dsarc_ram); 890 } 891 } 892 } 893 } 894 895 static uint32_t dcr_read_ocm (void *opaque, int dcrn) 896 { 897 ppc405_ocm_t *ocm; 898 uint32_t ret; 899 900 ocm = opaque; 901 switch (dcrn) { 902 case OCM0_ISARC: 903 ret = ocm->isarc; 904 break; 905 case OCM0_ISACNTL: 906 ret = ocm->isacntl; 907 break; 908 case OCM0_DSARC: 909 ret = ocm->dsarc; 910 break; 911 case OCM0_DSACNTL: 912 ret = ocm->dsacntl; 913 break; 914 default: 915 ret = 0; 916 break; 917 } 918 919 return ret; 920 } 921 922 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val) 923 { 924 ppc405_ocm_t *ocm; 925 uint32_t isarc, dsarc, isacntl, dsacntl; 926 927 ocm = opaque; 928 isarc = ocm->isarc; 929 dsarc = ocm->dsarc; 930 isacntl = ocm->isacntl; 931 dsacntl = ocm->dsacntl; 932 switch (dcrn) { 933 case OCM0_ISARC: 934 isarc = val & 0xFC000000; 935 break; 936 case OCM0_ISACNTL: 937 isacntl = val & 0xC0000000; 938 break; 939 case OCM0_DSARC: 940 isarc = val & 0xFC000000; 941 break; 942 case OCM0_DSACNTL: 943 isacntl = val & 0xC0000000; 944 break; 945 } 946 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl); 947 ocm->isarc = isarc; 948 ocm->dsarc = dsarc; 949 ocm->isacntl = isacntl; 950 ocm->dsacntl = dsacntl; 951 } 952 953 static void ocm_reset (void *opaque) 954 { 955 ppc405_ocm_t *ocm; 956 uint32_t isarc, dsarc, isacntl, dsacntl; 957 958 ocm = opaque; 959 isarc = 0x00000000; 960 isacntl = 0x00000000; 961 dsarc = 0x00000000; 962 dsacntl = 0x00000000; 963 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl); 964 ocm->isarc = isarc; 965 ocm->dsarc = dsarc; 966 ocm->isacntl = isacntl; 967 ocm->dsacntl = dsacntl; 968 } 969 970 static void ppc405_ocm_init(CPUPPCState *env) 971 { 972 ppc405_ocm_t *ocm; 973 974 ocm = g_malloc0(sizeof(ppc405_ocm_t)); 975 /* XXX: Size is 4096 or 0x04000000 */ 976 memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096); 977 vmstate_register_ram_global(&ocm->isarc_ram); 978 memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", &ocm->isarc_ram, 979 0, 4096); 980 qemu_register_reset(&ocm_reset, ocm); 981 ppc_dcr_register(env, OCM0_ISARC, 982 ocm, &dcr_read_ocm, &dcr_write_ocm); 983 ppc_dcr_register(env, OCM0_ISACNTL, 984 ocm, &dcr_read_ocm, &dcr_write_ocm); 985 ppc_dcr_register(env, OCM0_DSARC, 986 ocm, &dcr_read_ocm, &dcr_write_ocm); 987 ppc_dcr_register(env, OCM0_DSACNTL, 988 ocm, &dcr_read_ocm, &dcr_write_ocm); 989 } 990 991 /*****************************************************************************/ 992 /* I2C controller */ 993 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t; 994 struct ppc4xx_i2c_t { 995 qemu_irq irq; 996 MemoryRegion iomem; 997 uint8_t mdata; 998 uint8_t lmadr; 999 uint8_t hmadr; 1000 uint8_t cntl; 1001 uint8_t mdcntl; 1002 uint8_t sts; 1003 uint8_t extsts; 1004 uint8_t sdata; 1005 uint8_t lsadr; 1006 uint8_t hsadr; 1007 uint8_t clkdiv; 1008 uint8_t intrmsk; 1009 uint8_t xfrcnt; 1010 uint8_t xtcntlss; 1011 uint8_t directcntl; 1012 }; 1013 1014 static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr) 1015 { 1016 ppc4xx_i2c_t *i2c; 1017 uint32_t ret; 1018 1019 #ifdef DEBUG_I2C 1020 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 1021 #endif 1022 i2c = opaque; 1023 switch (addr) { 1024 case 0x00: 1025 // i2c_readbyte(&i2c->mdata); 1026 ret = i2c->mdata; 1027 break; 1028 case 0x02: 1029 ret = i2c->sdata; 1030 break; 1031 case 0x04: 1032 ret = i2c->lmadr; 1033 break; 1034 case 0x05: 1035 ret = i2c->hmadr; 1036 break; 1037 case 0x06: 1038 ret = i2c->cntl; 1039 break; 1040 case 0x07: 1041 ret = i2c->mdcntl; 1042 break; 1043 case 0x08: 1044 ret = i2c->sts; 1045 break; 1046 case 0x09: 1047 ret = i2c->extsts; 1048 break; 1049 case 0x0A: 1050 ret = i2c->lsadr; 1051 break; 1052 case 0x0B: 1053 ret = i2c->hsadr; 1054 break; 1055 case 0x0C: 1056 ret = i2c->clkdiv; 1057 break; 1058 case 0x0D: 1059 ret = i2c->intrmsk; 1060 break; 1061 case 0x0E: 1062 ret = i2c->xfrcnt; 1063 break; 1064 case 0x0F: 1065 ret = i2c->xtcntlss; 1066 break; 1067 case 0x10: 1068 ret = i2c->directcntl; 1069 break; 1070 default: 1071 ret = 0x00; 1072 break; 1073 } 1074 #ifdef DEBUG_I2C 1075 printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret); 1076 #endif 1077 1078 return ret; 1079 } 1080 1081 static void ppc4xx_i2c_writeb (void *opaque, 1082 hwaddr addr, uint32_t value) 1083 { 1084 ppc4xx_i2c_t *i2c; 1085 1086 #ifdef DEBUG_I2C 1087 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 1088 value); 1089 #endif 1090 i2c = opaque; 1091 switch (addr) { 1092 case 0x00: 1093 i2c->mdata = value; 1094 // i2c_sendbyte(&i2c->mdata); 1095 break; 1096 case 0x02: 1097 i2c->sdata = value; 1098 break; 1099 case 0x04: 1100 i2c->lmadr = value; 1101 break; 1102 case 0x05: 1103 i2c->hmadr = value; 1104 break; 1105 case 0x06: 1106 i2c->cntl = value; 1107 break; 1108 case 0x07: 1109 i2c->mdcntl = value & 0xDF; 1110 break; 1111 case 0x08: 1112 i2c->sts &= ~(value & 0x0A); 1113 break; 1114 case 0x09: 1115 i2c->extsts &= ~(value & 0x8F); 1116 break; 1117 case 0x0A: 1118 i2c->lsadr = value; 1119 break; 1120 case 0x0B: 1121 i2c->hsadr = value; 1122 break; 1123 case 0x0C: 1124 i2c->clkdiv = value; 1125 break; 1126 case 0x0D: 1127 i2c->intrmsk = value; 1128 break; 1129 case 0x0E: 1130 i2c->xfrcnt = value & 0x77; 1131 break; 1132 case 0x0F: 1133 i2c->xtcntlss = value; 1134 break; 1135 case 0x10: 1136 i2c->directcntl = value & 0x7; 1137 break; 1138 } 1139 } 1140 1141 static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr) 1142 { 1143 uint32_t ret; 1144 1145 #ifdef DEBUG_I2C 1146 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 1147 #endif 1148 ret = ppc4xx_i2c_readb(opaque, addr) << 8; 1149 ret |= ppc4xx_i2c_readb(opaque, addr + 1); 1150 1151 return ret; 1152 } 1153 1154 static void ppc4xx_i2c_writew (void *opaque, 1155 hwaddr addr, uint32_t value) 1156 { 1157 #ifdef DEBUG_I2C 1158 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 1159 value); 1160 #endif 1161 ppc4xx_i2c_writeb(opaque, addr, value >> 8); 1162 ppc4xx_i2c_writeb(opaque, addr + 1, value); 1163 } 1164 1165 static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr) 1166 { 1167 uint32_t ret; 1168 1169 #ifdef DEBUG_I2C 1170 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 1171 #endif 1172 ret = ppc4xx_i2c_readb(opaque, addr) << 24; 1173 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16; 1174 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8; 1175 ret |= ppc4xx_i2c_readb(opaque, addr + 3); 1176 1177 return ret; 1178 } 1179 1180 static void ppc4xx_i2c_writel (void *opaque, 1181 hwaddr addr, uint32_t value) 1182 { 1183 #ifdef DEBUG_I2C 1184 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 1185 value); 1186 #endif 1187 ppc4xx_i2c_writeb(opaque, addr, value >> 24); 1188 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16); 1189 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8); 1190 ppc4xx_i2c_writeb(opaque, addr + 3, value); 1191 } 1192 1193 static const MemoryRegionOps i2c_ops = { 1194 .old_mmio = { 1195 .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, }, 1196 .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, }, 1197 }, 1198 .endianness = DEVICE_NATIVE_ENDIAN, 1199 }; 1200 1201 static void ppc4xx_i2c_reset (void *opaque) 1202 { 1203 ppc4xx_i2c_t *i2c; 1204 1205 i2c = opaque; 1206 i2c->mdata = 0x00; 1207 i2c->sdata = 0x00; 1208 i2c->cntl = 0x00; 1209 i2c->mdcntl = 0x00; 1210 i2c->sts = 0x00; 1211 i2c->extsts = 0x00; 1212 i2c->clkdiv = 0x00; 1213 i2c->xfrcnt = 0x00; 1214 i2c->directcntl = 0x0F; 1215 } 1216 1217 static void ppc405_i2c_init(hwaddr base, qemu_irq irq) 1218 { 1219 ppc4xx_i2c_t *i2c; 1220 1221 i2c = g_malloc0(sizeof(ppc4xx_i2c_t)); 1222 i2c->irq = irq; 1223 #ifdef DEBUG_I2C 1224 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); 1225 #endif 1226 memory_region_init_io(&i2c->iomem, NULL, &i2c_ops, i2c, "i2c", 0x011); 1227 memory_region_add_subregion(get_system_memory(), base, &i2c->iomem); 1228 qemu_register_reset(ppc4xx_i2c_reset, i2c); 1229 } 1230 1231 /*****************************************************************************/ 1232 /* General purpose timers */ 1233 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t; 1234 struct ppc4xx_gpt_t { 1235 MemoryRegion iomem; 1236 int64_t tb_offset; 1237 uint32_t tb_freq; 1238 QEMUTimer *timer; 1239 qemu_irq irqs[5]; 1240 uint32_t oe; 1241 uint32_t ol; 1242 uint32_t im; 1243 uint32_t is; 1244 uint32_t ie; 1245 uint32_t comp[5]; 1246 uint32_t mask[5]; 1247 }; 1248 1249 static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr) 1250 { 1251 #ifdef DEBUG_GPT 1252 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 1253 #endif 1254 /* XXX: generate a bus fault */ 1255 return -1; 1256 } 1257 1258 static void ppc4xx_gpt_writeb (void *opaque, 1259 hwaddr addr, uint32_t value) 1260 { 1261 #ifdef DEBUG_I2C 1262 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 1263 value); 1264 #endif 1265 /* XXX: generate a bus fault */ 1266 } 1267 1268 static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr) 1269 { 1270 #ifdef DEBUG_GPT 1271 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 1272 #endif 1273 /* XXX: generate a bus fault */ 1274 return -1; 1275 } 1276 1277 static void ppc4xx_gpt_writew (void *opaque, 1278 hwaddr addr, uint32_t value) 1279 { 1280 #ifdef DEBUG_I2C 1281 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 1282 value); 1283 #endif 1284 /* XXX: generate a bus fault */ 1285 } 1286 1287 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n) 1288 { 1289 /* XXX: TODO */ 1290 return 0; 1291 } 1292 1293 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level) 1294 { 1295 /* XXX: TODO */ 1296 } 1297 1298 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt) 1299 { 1300 uint32_t mask; 1301 int i; 1302 1303 mask = 0x80000000; 1304 for (i = 0; i < 5; i++) { 1305 if (gpt->oe & mask) { 1306 /* Output is enabled */ 1307 if (ppc4xx_gpt_compare(gpt, i)) { 1308 /* Comparison is OK */ 1309 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask); 1310 } else { 1311 /* Comparison is KO */ 1312 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1); 1313 } 1314 } 1315 mask = mask >> 1; 1316 } 1317 } 1318 1319 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt) 1320 { 1321 uint32_t mask; 1322 int i; 1323 1324 mask = 0x00008000; 1325 for (i = 0; i < 5; i++) { 1326 if (gpt->is & gpt->im & mask) 1327 qemu_irq_raise(gpt->irqs[i]); 1328 else 1329 qemu_irq_lower(gpt->irqs[i]); 1330 mask = mask >> 1; 1331 } 1332 } 1333 1334 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt) 1335 { 1336 /* XXX: TODO */ 1337 } 1338 1339 static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr) 1340 { 1341 ppc4xx_gpt_t *gpt; 1342 uint32_t ret; 1343 int idx; 1344 1345 #ifdef DEBUG_GPT 1346 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); 1347 #endif 1348 gpt = opaque; 1349 switch (addr) { 1350 case 0x00: 1351 /* Time base counter */ 1352 ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset, 1353 gpt->tb_freq, get_ticks_per_sec()); 1354 break; 1355 case 0x10: 1356 /* Output enable */ 1357 ret = gpt->oe; 1358 break; 1359 case 0x14: 1360 /* Output level */ 1361 ret = gpt->ol; 1362 break; 1363 case 0x18: 1364 /* Interrupt mask */ 1365 ret = gpt->im; 1366 break; 1367 case 0x1C: 1368 case 0x20: 1369 /* Interrupt status */ 1370 ret = gpt->is; 1371 break; 1372 case 0x24: 1373 /* Interrupt enable */ 1374 ret = gpt->ie; 1375 break; 1376 case 0x80 ... 0x90: 1377 /* Compare timer */ 1378 idx = (addr - 0x80) >> 2; 1379 ret = gpt->comp[idx]; 1380 break; 1381 case 0xC0 ... 0xD0: 1382 /* Compare mask */ 1383 idx = (addr - 0xC0) >> 2; 1384 ret = gpt->mask[idx]; 1385 break; 1386 default: 1387 ret = -1; 1388 break; 1389 } 1390 1391 return ret; 1392 } 1393 1394 static void ppc4xx_gpt_writel (void *opaque, 1395 hwaddr addr, uint32_t value) 1396 { 1397 ppc4xx_gpt_t *gpt; 1398 int idx; 1399 1400 #ifdef DEBUG_I2C 1401 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, 1402 value); 1403 #endif 1404 gpt = opaque; 1405 switch (addr) { 1406 case 0x00: 1407 /* Time base counter */ 1408 gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq) 1409 - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 1410 ppc4xx_gpt_compute_timer(gpt); 1411 break; 1412 case 0x10: 1413 /* Output enable */ 1414 gpt->oe = value & 0xF8000000; 1415 ppc4xx_gpt_set_outputs(gpt); 1416 break; 1417 case 0x14: 1418 /* Output level */ 1419 gpt->ol = value & 0xF8000000; 1420 ppc4xx_gpt_set_outputs(gpt); 1421 break; 1422 case 0x18: 1423 /* Interrupt mask */ 1424 gpt->im = value & 0x0000F800; 1425 break; 1426 case 0x1C: 1427 /* Interrupt status set */ 1428 gpt->is |= value & 0x0000F800; 1429 ppc4xx_gpt_set_irqs(gpt); 1430 break; 1431 case 0x20: 1432 /* Interrupt status clear */ 1433 gpt->is &= ~(value & 0x0000F800); 1434 ppc4xx_gpt_set_irqs(gpt); 1435 break; 1436 case 0x24: 1437 /* Interrupt enable */ 1438 gpt->ie = value & 0x0000F800; 1439 ppc4xx_gpt_set_irqs(gpt); 1440 break; 1441 case 0x80 ... 0x90: 1442 /* Compare timer */ 1443 idx = (addr - 0x80) >> 2; 1444 gpt->comp[idx] = value & 0xF8000000; 1445 ppc4xx_gpt_compute_timer(gpt); 1446 break; 1447 case 0xC0 ... 0xD0: 1448 /* Compare mask */ 1449 idx = (addr - 0xC0) >> 2; 1450 gpt->mask[idx] = value & 0xF8000000; 1451 ppc4xx_gpt_compute_timer(gpt); 1452 break; 1453 } 1454 } 1455 1456 static const MemoryRegionOps gpt_ops = { 1457 .old_mmio = { 1458 .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, }, 1459 .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, }, 1460 }, 1461 .endianness = DEVICE_NATIVE_ENDIAN, 1462 }; 1463 1464 static void ppc4xx_gpt_cb (void *opaque) 1465 { 1466 ppc4xx_gpt_t *gpt; 1467 1468 gpt = opaque; 1469 ppc4xx_gpt_set_irqs(gpt); 1470 ppc4xx_gpt_set_outputs(gpt); 1471 ppc4xx_gpt_compute_timer(gpt); 1472 } 1473 1474 static void ppc4xx_gpt_reset (void *opaque) 1475 { 1476 ppc4xx_gpt_t *gpt; 1477 int i; 1478 1479 gpt = opaque; 1480 timer_del(gpt->timer); 1481 gpt->oe = 0x00000000; 1482 gpt->ol = 0x00000000; 1483 gpt->im = 0x00000000; 1484 gpt->is = 0x00000000; 1485 gpt->ie = 0x00000000; 1486 for (i = 0; i < 5; i++) { 1487 gpt->comp[i] = 0x00000000; 1488 gpt->mask[i] = 0x00000000; 1489 } 1490 } 1491 1492 static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5]) 1493 { 1494 ppc4xx_gpt_t *gpt; 1495 int i; 1496 1497 gpt = g_malloc0(sizeof(ppc4xx_gpt_t)); 1498 for (i = 0; i < 5; i++) { 1499 gpt->irqs[i] = irqs[i]; 1500 } 1501 gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt); 1502 #ifdef DEBUG_GPT 1503 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); 1504 #endif 1505 memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4); 1506 memory_region_add_subregion(get_system_memory(), base, &gpt->iomem); 1507 qemu_register_reset(ppc4xx_gpt_reset, gpt); 1508 } 1509 1510 /*****************************************************************************/ 1511 /* MAL */ 1512 enum { 1513 MAL0_CFG = 0x180, 1514 MAL0_ESR = 0x181, 1515 MAL0_IER = 0x182, 1516 MAL0_TXCASR = 0x184, 1517 MAL0_TXCARR = 0x185, 1518 MAL0_TXEOBISR = 0x186, 1519 MAL0_TXDEIR = 0x187, 1520 MAL0_RXCASR = 0x190, 1521 MAL0_RXCARR = 0x191, 1522 MAL0_RXEOBISR = 0x192, 1523 MAL0_RXDEIR = 0x193, 1524 MAL0_TXCTP0R = 0x1A0, 1525 MAL0_TXCTP1R = 0x1A1, 1526 MAL0_TXCTP2R = 0x1A2, 1527 MAL0_TXCTP3R = 0x1A3, 1528 MAL0_RXCTP0R = 0x1C0, 1529 MAL0_RXCTP1R = 0x1C1, 1530 MAL0_RCBS0 = 0x1E0, 1531 MAL0_RCBS1 = 0x1E1, 1532 }; 1533 1534 typedef struct ppc40x_mal_t ppc40x_mal_t; 1535 struct ppc40x_mal_t { 1536 qemu_irq irqs[4]; 1537 uint32_t cfg; 1538 uint32_t esr; 1539 uint32_t ier; 1540 uint32_t txcasr; 1541 uint32_t txcarr; 1542 uint32_t txeobisr; 1543 uint32_t txdeir; 1544 uint32_t rxcasr; 1545 uint32_t rxcarr; 1546 uint32_t rxeobisr; 1547 uint32_t rxdeir; 1548 uint32_t txctpr[4]; 1549 uint32_t rxctpr[2]; 1550 uint32_t rcbs[2]; 1551 }; 1552 1553 static void ppc40x_mal_reset (void *opaque); 1554 1555 static uint32_t dcr_read_mal (void *opaque, int dcrn) 1556 { 1557 ppc40x_mal_t *mal; 1558 uint32_t ret; 1559 1560 mal = opaque; 1561 switch (dcrn) { 1562 case MAL0_CFG: 1563 ret = mal->cfg; 1564 break; 1565 case MAL0_ESR: 1566 ret = mal->esr; 1567 break; 1568 case MAL0_IER: 1569 ret = mal->ier; 1570 break; 1571 case MAL0_TXCASR: 1572 ret = mal->txcasr; 1573 break; 1574 case MAL0_TXCARR: 1575 ret = mal->txcarr; 1576 break; 1577 case MAL0_TXEOBISR: 1578 ret = mal->txeobisr; 1579 break; 1580 case MAL0_TXDEIR: 1581 ret = mal->txdeir; 1582 break; 1583 case MAL0_RXCASR: 1584 ret = mal->rxcasr; 1585 break; 1586 case MAL0_RXCARR: 1587 ret = mal->rxcarr; 1588 break; 1589 case MAL0_RXEOBISR: 1590 ret = mal->rxeobisr; 1591 break; 1592 case MAL0_RXDEIR: 1593 ret = mal->rxdeir; 1594 break; 1595 case MAL0_TXCTP0R: 1596 ret = mal->txctpr[0]; 1597 break; 1598 case MAL0_TXCTP1R: 1599 ret = mal->txctpr[1]; 1600 break; 1601 case MAL0_TXCTP2R: 1602 ret = mal->txctpr[2]; 1603 break; 1604 case MAL0_TXCTP3R: 1605 ret = mal->txctpr[3]; 1606 break; 1607 case MAL0_RXCTP0R: 1608 ret = mal->rxctpr[0]; 1609 break; 1610 case MAL0_RXCTP1R: 1611 ret = mal->rxctpr[1]; 1612 break; 1613 case MAL0_RCBS0: 1614 ret = mal->rcbs[0]; 1615 break; 1616 case MAL0_RCBS1: 1617 ret = mal->rcbs[1]; 1618 break; 1619 default: 1620 ret = 0; 1621 break; 1622 } 1623 1624 return ret; 1625 } 1626 1627 static void dcr_write_mal (void *opaque, int dcrn, uint32_t val) 1628 { 1629 ppc40x_mal_t *mal; 1630 int idx; 1631 1632 mal = opaque; 1633 switch (dcrn) { 1634 case MAL0_CFG: 1635 if (val & 0x80000000) 1636 ppc40x_mal_reset(mal); 1637 mal->cfg = val & 0x00FFC087; 1638 break; 1639 case MAL0_ESR: 1640 /* Read/clear */ 1641 mal->esr &= ~val; 1642 break; 1643 case MAL0_IER: 1644 mal->ier = val & 0x0000001F; 1645 break; 1646 case MAL0_TXCASR: 1647 mal->txcasr = val & 0xF0000000; 1648 break; 1649 case MAL0_TXCARR: 1650 mal->txcarr = val & 0xF0000000; 1651 break; 1652 case MAL0_TXEOBISR: 1653 /* Read/clear */ 1654 mal->txeobisr &= ~val; 1655 break; 1656 case MAL0_TXDEIR: 1657 /* Read/clear */ 1658 mal->txdeir &= ~val; 1659 break; 1660 case MAL0_RXCASR: 1661 mal->rxcasr = val & 0xC0000000; 1662 break; 1663 case MAL0_RXCARR: 1664 mal->rxcarr = val & 0xC0000000; 1665 break; 1666 case MAL0_RXEOBISR: 1667 /* Read/clear */ 1668 mal->rxeobisr &= ~val; 1669 break; 1670 case MAL0_RXDEIR: 1671 /* Read/clear */ 1672 mal->rxdeir &= ~val; 1673 break; 1674 case MAL0_TXCTP0R: 1675 idx = 0; 1676 goto update_tx_ptr; 1677 case MAL0_TXCTP1R: 1678 idx = 1; 1679 goto update_tx_ptr; 1680 case MAL0_TXCTP2R: 1681 idx = 2; 1682 goto update_tx_ptr; 1683 case MAL0_TXCTP3R: 1684 idx = 3; 1685 update_tx_ptr: 1686 mal->txctpr[idx] = val; 1687 break; 1688 case MAL0_RXCTP0R: 1689 idx = 0; 1690 goto update_rx_ptr; 1691 case MAL0_RXCTP1R: 1692 idx = 1; 1693 update_rx_ptr: 1694 mal->rxctpr[idx] = val; 1695 break; 1696 case MAL0_RCBS0: 1697 idx = 0; 1698 goto update_rx_size; 1699 case MAL0_RCBS1: 1700 idx = 1; 1701 update_rx_size: 1702 mal->rcbs[idx] = val & 0x000000FF; 1703 break; 1704 } 1705 } 1706 1707 static void ppc40x_mal_reset (void *opaque) 1708 { 1709 ppc40x_mal_t *mal; 1710 1711 mal = opaque; 1712 mal->cfg = 0x0007C000; 1713 mal->esr = 0x00000000; 1714 mal->ier = 0x00000000; 1715 mal->rxcasr = 0x00000000; 1716 mal->rxdeir = 0x00000000; 1717 mal->rxeobisr = 0x00000000; 1718 mal->txcasr = 0x00000000; 1719 mal->txdeir = 0x00000000; 1720 mal->txeobisr = 0x00000000; 1721 } 1722 1723 static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4]) 1724 { 1725 ppc40x_mal_t *mal; 1726 int i; 1727 1728 mal = g_malloc0(sizeof(ppc40x_mal_t)); 1729 for (i = 0; i < 4; i++) 1730 mal->irqs[i] = irqs[i]; 1731 qemu_register_reset(&ppc40x_mal_reset, mal); 1732 ppc_dcr_register(env, MAL0_CFG, 1733 mal, &dcr_read_mal, &dcr_write_mal); 1734 ppc_dcr_register(env, MAL0_ESR, 1735 mal, &dcr_read_mal, &dcr_write_mal); 1736 ppc_dcr_register(env, MAL0_IER, 1737 mal, &dcr_read_mal, &dcr_write_mal); 1738 ppc_dcr_register(env, MAL0_TXCASR, 1739 mal, &dcr_read_mal, &dcr_write_mal); 1740 ppc_dcr_register(env, MAL0_TXCARR, 1741 mal, &dcr_read_mal, &dcr_write_mal); 1742 ppc_dcr_register(env, MAL0_TXEOBISR, 1743 mal, &dcr_read_mal, &dcr_write_mal); 1744 ppc_dcr_register(env, MAL0_TXDEIR, 1745 mal, &dcr_read_mal, &dcr_write_mal); 1746 ppc_dcr_register(env, MAL0_RXCASR, 1747 mal, &dcr_read_mal, &dcr_write_mal); 1748 ppc_dcr_register(env, MAL0_RXCARR, 1749 mal, &dcr_read_mal, &dcr_write_mal); 1750 ppc_dcr_register(env, MAL0_RXEOBISR, 1751 mal, &dcr_read_mal, &dcr_write_mal); 1752 ppc_dcr_register(env, MAL0_RXDEIR, 1753 mal, &dcr_read_mal, &dcr_write_mal); 1754 ppc_dcr_register(env, MAL0_TXCTP0R, 1755 mal, &dcr_read_mal, &dcr_write_mal); 1756 ppc_dcr_register(env, MAL0_TXCTP1R, 1757 mal, &dcr_read_mal, &dcr_write_mal); 1758 ppc_dcr_register(env, MAL0_TXCTP2R, 1759 mal, &dcr_read_mal, &dcr_write_mal); 1760 ppc_dcr_register(env, MAL0_TXCTP3R, 1761 mal, &dcr_read_mal, &dcr_write_mal); 1762 ppc_dcr_register(env, MAL0_RXCTP0R, 1763 mal, &dcr_read_mal, &dcr_write_mal); 1764 ppc_dcr_register(env, MAL0_RXCTP1R, 1765 mal, &dcr_read_mal, &dcr_write_mal); 1766 ppc_dcr_register(env, MAL0_RCBS0, 1767 mal, &dcr_read_mal, &dcr_write_mal); 1768 ppc_dcr_register(env, MAL0_RCBS1, 1769 mal, &dcr_read_mal, &dcr_write_mal); 1770 } 1771 1772 /*****************************************************************************/ 1773 /* SPR */ 1774 void ppc40x_core_reset(PowerPCCPU *cpu) 1775 { 1776 CPUPPCState *env = &cpu->env; 1777 target_ulong dbsr; 1778 1779 printf("Reset PowerPC core\n"); 1780 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET); 1781 dbsr = env->spr[SPR_40x_DBSR]; 1782 dbsr &= ~0x00000300; 1783 dbsr |= 0x00000100; 1784 env->spr[SPR_40x_DBSR] = dbsr; 1785 } 1786 1787 void ppc40x_chip_reset(PowerPCCPU *cpu) 1788 { 1789 CPUPPCState *env = &cpu->env; 1790 target_ulong dbsr; 1791 1792 printf("Reset PowerPC chip\n"); 1793 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET); 1794 /* XXX: TODO reset all internal peripherals */ 1795 dbsr = env->spr[SPR_40x_DBSR]; 1796 dbsr &= ~0x00000300; 1797 dbsr |= 0x00000200; 1798 env->spr[SPR_40x_DBSR] = dbsr; 1799 } 1800 1801 void ppc40x_system_reset(PowerPCCPU *cpu) 1802 { 1803 printf("Reset PowerPC system\n"); 1804 qemu_system_reset_request(); 1805 } 1806 1807 void store_40x_dbcr0 (CPUPPCState *env, uint32_t val) 1808 { 1809 PowerPCCPU *cpu = ppc_env_get_cpu(env); 1810 1811 switch ((val >> 28) & 0x3) { 1812 case 0x0: 1813 /* No action */ 1814 break; 1815 case 0x1: 1816 /* Core reset */ 1817 ppc40x_core_reset(cpu); 1818 break; 1819 case 0x2: 1820 /* Chip reset */ 1821 ppc40x_chip_reset(cpu); 1822 break; 1823 case 0x3: 1824 /* System reset */ 1825 ppc40x_system_reset(cpu); 1826 break; 1827 } 1828 } 1829 1830 /*****************************************************************************/ 1831 /* PowerPC 405CR */ 1832 enum { 1833 PPC405CR_CPC0_PLLMR = 0x0B0, 1834 PPC405CR_CPC0_CR0 = 0x0B1, 1835 PPC405CR_CPC0_CR1 = 0x0B2, 1836 PPC405CR_CPC0_PSR = 0x0B4, 1837 PPC405CR_CPC0_JTAGID = 0x0B5, 1838 PPC405CR_CPC0_ER = 0x0B9, 1839 PPC405CR_CPC0_FR = 0x0BA, 1840 PPC405CR_CPC0_SR = 0x0BB, 1841 }; 1842 1843 enum { 1844 PPC405CR_CPU_CLK = 0, 1845 PPC405CR_TMR_CLK = 1, 1846 PPC405CR_PLB_CLK = 2, 1847 PPC405CR_SDRAM_CLK = 3, 1848 PPC405CR_OPB_CLK = 4, 1849 PPC405CR_EXT_CLK = 5, 1850 PPC405CR_UART_CLK = 6, 1851 PPC405CR_CLK_NB = 7, 1852 }; 1853 1854 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t; 1855 struct ppc405cr_cpc_t { 1856 clk_setup_t clk_setup[PPC405CR_CLK_NB]; 1857 uint32_t sysclk; 1858 uint32_t psr; 1859 uint32_t cr0; 1860 uint32_t cr1; 1861 uint32_t jtagid; 1862 uint32_t pllmr; 1863 uint32_t er; 1864 uint32_t fr; 1865 }; 1866 1867 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc) 1868 { 1869 uint64_t VCO_out, PLL_out; 1870 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk; 1871 int M, D0, D1, D2; 1872 1873 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */ 1874 if (cpc->pllmr & 0x80000000) { 1875 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */ 1876 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */ 1877 M = D0 * D1 * D2; 1878 VCO_out = cpc->sysclk * M; 1879 if (VCO_out < 400000000 || VCO_out > 800000000) { 1880 /* PLL cannot lock */ 1881 cpc->pllmr &= ~0x80000000; 1882 goto bypass_pll; 1883 } 1884 PLL_out = VCO_out / D2; 1885 } else { 1886 /* Bypass PLL */ 1887 bypass_pll: 1888 M = D0; 1889 PLL_out = cpc->sysclk * M; 1890 } 1891 CPU_clk = PLL_out; 1892 if (cpc->cr1 & 0x00800000) 1893 TMR_clk = cpc->sysclk; /* Should have a separate clock */ 1894 else 1895 TMR_clk = CPU_clk; 1896 PLB_clk = CPU_clk / D0; 1897 SDRAM_clk = PLB_clk; 1898 D0 = ((cpc->pllmr >> 10) & 0x3) + 1; 1899 OPB_clk = PLB_clk / D0; 1900 D0 = ((cpc->pllmr >> 24) & 0x3) + 2; 1901 EXT_clk = PLB_clk / D0; 1902 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1; 1903 UART_clk = CPU_clk / D0; 1904 /* Setup CPU clocks */ 1905 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk); 1906 /* Setup time-base clock */ 1907 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk); 1908 /* Setup PLB clock */ 1909 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk); 1910 /* Setup SDRAM clock */ 1911 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk); 1912 /* Setup OPB clock */ 1913 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk); 1914 /* Setup external clock */ 1915 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk); 1916 /* Setup UART clock */ 1917 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk); 1918 } 1919 1920 static uint32_t dcr_read_crcpc (void *opaque, int dcrn) 1921 { 1922 ppc405cr_cpc_t *cpc; 1923 uint32_t ret; 1924 1925 cpc = opaque; 1926 switch (dcrn) { 1927 case PPC405CR_CPC0_PLLMR: 1928 ret = cpc->pllmr; 1929 break; 1930 case PPC405CR_CPC0_CR0: 1931 ret = cpc->cr0; 1932 break; 1933 case PPC405CR_CPC0_CR1: 1934 ret = cpc->cr1; 1935 break; 1936 case PPC405CR_CPC0_PSR: 1937 ret = cpc->psr; 1938 break; 1939 case PPC405CR_CPC0_JTAGID: 1940 ret = cpc->jtagid; 1941 break; 1942 case PPC405CR_CPC0_ER: 1943 ret = cpc->er; 1944 break; 1945 case PPC405CR_CPC0_FR: 1946 ret = cpc->fr; 1947 break; 1948 case PPC405CR_CPC0_SR: 1949 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000; 1950 break; 1951 default: 1952 /* Avoid gcc warning */ 1953 ret = 0; 1954 break; 1955 } 1956 1957 return ret; 1958 } 1959 1960 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val) 1961 { 1962 ppc405cr_cpc_t *cpc; 1963 1964 cpc = opaque; 1965 switch (dcrn) { 1966 case PPC405CR_CPC0_PLLMR: 1967 cpc->pllmr = val & 0xFFF77C3F; 1968 break; 1969 case PPC405CR_CPC0_CR0: 1970 cpc->cr0 = val & 0x0FFFFFFE; 1971 break; 1972 case PPC405CR_CPC0_CR1: 1973 cpc->cr1 = val & 0x00800000; 1974 break; 1975 case PPC405CR_CPC0_PSR: 1976 /* Read-only */ 1977 break; 1978 case PPC405CR_CPC0_JTAGID: 1979 /* Read-only */ 1980 break; 1981 case PPC405CR_CPC0_ER: 1982 cpc->er = val & 0xBFFC0000; 1983 break; 1984 case PPC405CR_CPC0_FR: 1985 cpc->fr = val & 0xBFFC0000; 1986 break; 1987 case PPC405CR_CPC0_SR: 1988 /* Read-only */ 1989 break; 1990 } 1991 } 1992 1993 static void ppc405cr_cpc_reset (void *opaque) 1994 { 1995 ppc405cr_cpc_t *cpc; 1996 int D; 1997 1998 cpc = opaque; 1999 /* Compute PLLMR value from PSR settings */ 2000 cpc->pllmr = 0x80000000; 2001 /* PFWD */ 2002 switch ((cpc->psr >> 30) & 3) { 2003 case 0: 2004 /* Bypass */ 2005 cpc->pllmr &= ~0x80000000; 2006 break; 2007 case 1: 2008 /* Divide by 3 */ 2009 cpc->pllmr |= 5 << 16; 2010 break; 2011 case 2: 2012 /* Divide by 4 */ 2013 cpc->pllmr |= 4 << 16; 2014 break; 2015 case 3: 2016 /* Divide by 6 */ 2017 cpc->pllmr |= 2 << 16; 2018 break; 2019 } 2020 /* PFBD */ 2021 D = (cpc->psr >> 28) & 3; 2022 cpc->pllmr |= (D + 1) << 20; 2023 /* PT */ 2024 D = (cpc->psr >> 25) & 7; 2025 switch (D) { 2026 case 0x2: 2027 cpc->pllmr |= 0x13; 2028 break; 2029 case 0x4: 2030 cpc->pllmr |= 0x15; 2031 break; 2032 case 0x5: 2033 cpc->pllmr |= 0x16; 2034 break; 2035 default: 2036 break; 2037 } 2038 /* PDC */ 2039 D = (cpc->psr >> 23) & 3; 2040 cpc->pllmr |= D << 26; 2041 /* ODP */ 2042 D = (cpc->psr >> 21) & 3; 2043 cpc->pllmr |= D << 10; 2044 /* EBPD */ 2045 D = (cpc->psr >> 17) & 3; 2046 cpc->pllmr |= D << 24; 2047 cpc->cr0 = 0x0000003C; 2048 cpc->cr1 = 0x2B0D8800; 2049 cpc->er = 0x00000000; 2050 cpc->fr = 0x00000000; 2051 ppc405cr_clk_setup(cpc); 2052 } 2053 2054 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc) 2055 { 2056 int D; 2057 2058 /* XXX: this should be read from IO pins */ 2059 cpc->psr = 0x00000000; /* 8 bits ROM */ 2060 /* PFWD */ 2061 D = 0x2; /* Divide by 4 */ 2062 cpc->psr |= D << 30; 2063 /* PFBD */ 2064 D = 0x1; /* Divide by 2 */ 2065 cpc->psr |= D << 28; 2066 /* PDC */ 2067 D = 0x1; /* Divide by 2 */ 2068 cpc->psr |= D << 23; 2069 /* PT */ 2070 D = 0x5; /* M = 16 */ 2071 cpc->psr |= D << 25; 2072 /* ODP */ 2073 D = 0x1; /* Divide by 2 */ 2074 cpc->psr |= D << 21; 2075 /* EBDP */ 2076 D = 0x2; /* Divide by 4 */ 2077 cpc->psr |= D << 17; 2078 } 2079 2080 static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7], 2081 uint32_t sysclk) 2082 { 2083 ppc405cr_cpc_t *cpc; 2084 2085 cpc = g_malloc0(sizeof(ppc405cr_cpc_t)); 2086 memcpy(cpc->clk_setup, clk_setup, 2087 PPC405CR_CLK_NB * sizeof(clk_setup_t)); 2088 cpc->sysclk = sysclk; 2089 cpc->jtagid = 0x42051049; 2090 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc, 2091 &dcr_read_crcpc, &dcr_write_crcpc); 2092 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc, 2093 &dcr_read_crcpc, &dcr_write_crcpc); 2094 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc, 2095 &dcr_read_crcpc, &dcr_write_crcpc); 2096 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc, 2097 &dcr_read_crcpc, &dcr_write_crcpc); 2098 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc, 2099 &dcr_read_crcpc, &dcr_write_crcpc); 2100 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc, 2101 &dcr_read_crcpc, &dcr_write_crcpc); 2102 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc, 2103 &dcr_read_crcpc, &dcr_write_crcpc); 2104 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc, 2105 &dcr_read_crcpc, &dcr_write_crcpc); 2106 ppc405cr_clk_init(cpc); 2107 qemu_register_reset(ppc405cr_cpc_reset, cpc); 2108 } 2109 2110 CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem, 2111 MemoryRegion ram_memories[4], 2112 hwaddr ram_bases[4], 2113 hwaddr ram_sizes[4], 2114 uint32_t sysclk, qemu_irq **picp, 2115 int do_init) 2116 { 2117 clk_setup_t clk_setup[PPC405CR_CLK_NB]; 2118 qemu_irq dma_irqs[4]; 2119 PowerPCCPU *cpu; 2120 CPUPPCState *env; 2121 qemu_irq *pic, *irqs; 2122 2123 memset(clk_setup, 0, sizeof(clk_setup)); 2124 cpu = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK], 2125 &clk_setup[PPC405CR_TMR_CLK], sysclk); 2126 env = &cpu->env; 2127 /* Memory mapped devices registers */ 2128 /* PLB arbitrer */ 2129 ppc4xx_plb_init(env); 2130 /* PLB to OPB bridge */ 2131 ppc4xx_pob_init(env); 2132 /* OBP arbitrer */ 2133 ppc4xx_opba_init(0xef600600); 2134 /* Universal interrupt controller */ 2135 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB); 2136 irqs[PPCUIC_OUTPUT_INT] = 2137 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT]; 2138 irqs[PPCUIC_OUTPUT_CINT] = 2139 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT]; 2140 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1); 2141 *picp = pic; 2142 /* SDRAM controller */ 2143 ppc4xx_sdram_init(env, pic[14], 1, ram_memories, 2144 ram_bases, ram_sizes, do_init); 2145 /* External bus controller */ 2146 ppc405_ebc_init(env); 2147 /* DMA controller */ 2148 dma_irqs[0] = pic[26]; 2149 dma_irqs[1] = pic[25]; 2150 dma_irqs[2] = pic[24]; 2151 dma_irqs[3] = pic[23]; 2152 ppc405_dma_init(env, dma_irqs); 2153 /* Serial ports */ 2154 if (serial_hds[0] != NULL) { 2155 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0], 2156 PPC_SERIAL_MM_BAUDBASE, serial_hds[0], 2157 DEVICE_BIG_ENDIAN); 2158 } 2159 if (serial_hds[1] != NULL) { 2160 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1], 2161 PPC_SERIAL_MM_BAUDBASE, serial_hds[1], 2162 DEVICE_BIG_ENDIAN); 2163 } 2164 /* IIC controller */ 2165 ppc405_i2c_init(0xef600500, pic[2]); 2166 /* GPIO */ 2167 ppc405_gpio_init(0xef600700); 2168 /* CPU control */ 2169 ppc405cr_cpc_init(env, clk_setup, sysclk); 2170 2171 return env; 2172 } 2173 2174 /*****************************************************************************/ 2175 /* PowerPC 405EP */ 2176 /* CPU control */ 2177 enum { 2178 PPC405EP_CPC0_PLLMR0 = 0x0F0, 2179 PPC405EP_CPC0_BOOT = 0x0F1, 2180 PPC405EP_CPC0_EPCTL = 0x0F3, 2181 PPC405EP_CPC0_PLLMR1 = 0x0F4, 2182 PPC405EP_CPC0_UCR = 0x0F5, 2183 PPC405EP_CPC0_SRR = 0x0F6, 2184 PPC405EP_CPC0_JTAGID = 0x0F7, 2185 PPC405EP_CPC0_PCI = 0x0F9, 2186 #if 0 2187 PPC405EP_CPC0_ER = xxx, 2188 PPC405EP_CPC0_FR = xxx, 2189 PPC405EP_CPC0_SR = xxx, 2190 #endif 2191 }; 2192 2193 enum { 2194 PPC405EP_CPU_CLK = 0, 2195 PPC405EP_PLB_CLK = 1, 2196 PPC405EP_OPB_CLK = 2, 2197 PPC405EP_EBC_CLK = 3, 2198 PPC405EP_MAL_CLK = 4, 2199 PPC405EP_PCI_CLK = 5, 2200 PPC405EP_UART0_CLK = 6, 2201 PPC405EP_UART1_CLK = 7, 2202 PPC405EP_CLK_NB = 8, 2203 }; 2204 2205 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t; 2206 struct ppc405ep_cpc_t { 2207 uint32_t sysclk; 2208 clk_setup_t clk_setup[PPC405EP_CLK_NB]; 2209 uint32_t boot; 2210 uint32_t epctl; 2211 uint32_t pllmr[2]; 2212 uint32_t ucr; 2213 uint32_t srr; 2214 uint32_t jtagid; 2215 uint32_t pci; 2216 /* Clock and power management */ 2217 uint32_t er; 2218 uint32_t fr; 2219 uint32_t sr; 2220 }; 2221 2222 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) 2223 { 2224 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk; 2225 uint32_t UART0_clk, UART1_clk; 2226 uint64_t VCO_out, PLL_out; 2227 int M, D; 2228 2229 VCO_out = 0; 2230 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) { 2231 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */ 2232 #ifdef DEBUG_CLOCKS_LL 2233 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M); 2234 #endif 2235 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */ 2236 #ifdef DEBUG_CLOCKS_LL 2237 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D); 2238 #endif 2239 VCO_out = cpc->sysclk * M * D; 2240 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) { 2241 /* Error - unlock the PLL */ 2242 printf("VCO out of range %" PRIu64 "\n", VCO_out); 2243 #if 0 2244 cpc->pllmr[1] &= ~0x80000000; 2245 goto pll_bypass; 2246 #endif 2247 } 2248 PLL_out = VCO_out / D; 2249 /* Pretend the PLL is locked */ 2250 cpc->boot |= 0x00000001; 2251 } else { 2252 #if 0 2253 pll_bypass: 2254 #endif 2255 PLL_out = cpc->sysclk; 2256 if (cpc->pllmr[1] & 0x40000000) { 2257 /* Pretend the PLL is not locked */ 2258 cpc->boot &= ~0x00000001; 2259 } 2260 } 2261 /* Now, compute all other clocks */ 2262 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */ 2263 #ifdef DEBUG_CLOCKS_LL 2264 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D); 2265 #endif 2266 CPU_clk = PLL_out / D; 2267 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */ 2268 #ifdef DEBUG_CLOCKS_LL 2269 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D); 2270 #endif 2271 PLB_clk = CPU_clk / D; 2272 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */ 2273 #ifdef DEBUG_CLOCKS_LL 2274 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D); 2275 #endif 2276 OPB_clk = PLB_clk / D; 2277 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */ 2278 #ifdef DEBUG_CLOCKS_LL 2279 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D); 2280 #endif 2281 EBC_clk = PLB_clk / D; 2282 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */ 2283 #ifdef DEBUG_CLOCKS_LL 2284 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D); 2285 #endif 2286 MAL_clk = PLB_clk / D; 2287 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */ 2288 #ifdef DEBUG_CLOCKS_LL 2289 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D); 2290 #endif 2291 PCI_clk = PLB_clk / D; 2292 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */ 2293 #ifdef DEBUG_CLOCKS_LL 2294 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D); 2295 #endif 2296 UART0_clk = PLL_out / D; 2297 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */ 2298 #ifdef DEBUG_CLOCKS_LL 2299 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D); 2300 #endif 2301 UART1_clk = PLL_out / D; 2302 #ifdef DEBUG_CLOCKS 2303 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64 2304 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out); 2305 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32 2306 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32 2307 " UART1 %" PRIu32 "\n", 2308 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk, 2309 UART0_clk, UART1_clk); 2310 #endif 2311 /* Setup CPU clocks */ 2312 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk); 2313 /* Setup PLB clock */ 2314 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk); 2315 /* Setup OPB clock */ 2316 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk); 2317 /* Setup external clock */ 2318 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk); 2319 /* Setup MAL clock */ 2320 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk); 2321 /* Setup PCI clock */ 2322 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk); 2323 /* Setup UART0 clock */ 2324 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk); 2325 /* Setup UART1 clock */ 2326 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk); 2327 } 2328 2329 static uint32_t dcr_read_epcpc (void *opaque, int dcrn) 2330 { 2331 ppc405ep_cpc_t *cpc; 2332 uint32_t ret; 2333 2334 cpc = opaque; 2335 switch (dcrn) { 2336 case PPC405EP_CPC0_BOOT: 2337 ret = cpc->boot; 2338 break; 2339 case PPC405EP_CPC0_EPCTL: 2340 ret = cpc->epctl; 2341 break; 2342 case PPC405EP_CPC0_PLLMR0: 2343 ret = cpc->pllmr[0]; 2344 break; 2345 case PPC405EP_CPC0_PLLMR1: 2346 ret = cpc->pllmr[1]; 2347 break; 2348 case PPC405EP_CPC0_UCR: 2349 ret = cpc->ucr; 2350 break; 2351 case PPC405EP_CPC0_SRR: 2352 ret = cpc->srr; 2353 break; 2354 case PPC405EP_CPC0_JTAGID: 2355 ret = cpc->jtagid; 2356 break; 2357 case PPC405EP_CPC0_PCI: 2358 ret = cpc->pci; 2359 break; 2360 default: 2361 /* Avoid gcc warning */ 2362 ret = 0; 2363 break; 2364 } 2365 2366 return ret; 2367 } 2368 2369 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val) 2370 { 2371 ppc405ep_cpc_t *cpc; 2372 2373 cpc = opaque; 2374 switch (dcrn) { 2375 case PPC405EP_CPC0_BOOT: 2376 /* Read-only register */ 2377 break; 2378 case PPC405EP_CPC0_EPCTL: 2379 /* Don't care for now */ 2380 cpc->epctl = val & 0xC00000F3; 2381 break; 2382 case PPC405EP_CPC0_PLLMR0: 2383 cpc->pllmr[0] = val & 0x00633333; 2384 ppc405ep_compute_clocks(cpc); 2385 break; 2386 case PPC405EP_CPC0_PLLMR1: 2387 cpc->pllmr[1] = val & 0xC0F73FFF; 2388 ppc405ep_compute_clocks(cpc); 2389 break; 2390 case PPC405EP_CPC0_UCR: 2391 /* UART control - don't care for now */ 2392 cpc->ucr = val & 0x003F7F7F; 2393 break; 2394 case PPC405EP_CPC0_SRR: 2395 cpc->srr = val; 2396 break; 2397 case PPC405EP_CPC0_JTAGID: 2398 /* Read-only */ 2399 break; 2400 case PPC405EP_CPC0_PCI: 2401 cpc->pci = val; 2402 break; 2403 } 2404 } 2405 2406 static void ppc405ep_cpc_reset (void *opaque) 2407 { 2408 ppc405ep_cpc_t *cpc = opaque; 2409 2410 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */ 2411 cpc->epctl = 0x00000000; 2412 cpc->pllmr[0] = 0x00011010; 2413 cpc->pllmr[1] = 0x40000000; 2414 cpc->ucr = 0x00000000; 2415 cpc->srr = 0x00040000; 2416 cpc->pci = 0x00000000; 2417 cpc->er = 0x00000000; 2418 cpc->fr = 0x00000000; 2419 cpc->sr = 0x00000000; 2420 ppc405ep_compute_clocks(cpc); 2421 } 2422 2423 /* XXX: sysclk should be between 25 and 100 MHz */ 2424 static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8], 2425 uint32_t sysclk) 2426 { 2427 ppc405ep_cpc_t *cpc; 2428 2429 cpc = g_malloc0(sizeof(ppc405ep_cpc_t)); 2430 memcpy(cpc->clk_setup, clk_setup, 2431 PPC405EP_CLK_NB * sizeof(clk_setup_t)); 2432 cpc->jtagid = 0x20267049; 2433 cpc->sysclk = sysclk; 2434 qemu_register_reset(&ppc405ep_cpc_reset, cpc); 2435 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc, 2436 &dcr_read_epcpc, &dcr_write_epcpc); 2437 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc, 2438 &dcr_read_epcpc, &dcr_write_epcpc); 2439 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc, 2440 &dcr_read_epcpc, &dcr_write_epcpc); 2441 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc, 2442 &dcr_read_epcpc, &dcr_write_epcpc); 2443 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc, 2444 &dcr_read_epcpc, &dcr_write_epcpc); 2445 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc, 2446 &dcr_read_epcpc, &dcr_write_epcpc); 2447 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc, 2448 &dcr_read_epcpc, &dcr_write_epcpc); 2449 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc, 2450 &dcr_read_epcpc, &dcr_write_epcpc); 2451 #if 0 2452 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc, 2453 &dcr_read_epcpc, &dcr_write_epcpc); 2454 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc, 2455 &dcr_read_epcpc, &dcr_write_epcpc); 2456 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc, 2457 &dcr_read_epcpc, &dcr_write_epcpc); 2458 #endif 2459 } 2460 2461 CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem, 2462 MemoryRegion ram_memories[2], 2463 hwaddr ram_bases[2], 2464 hwaddr ram_sizes[2], 2465 uint32_t sysclk, qemu_irq **picp, 2466 int do_init) 2467 { 2468 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup; 2469 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4]; 2470 PowerPCCPU *cpu; 2471 CPUPPCState *env; 2472 qemu_irq *pic, *irqs; 2473 2474 memset(clk_setup, 0, sizeof(clk_setup)); 2475 /* init CPUs */ 2476 cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK], 2477 &tlb_clk_setup, sysclk); 2478 env = &cpu->env; 2479 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb; 2480 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque; 2481 /* Internal devices init */ 2482 /* Memory mapped devices registers */ 2483 /* PLB arbitrer */ 2484 ppc4xx_plb_init(env); 2485 /* PLB to OPB bridge */ 2486 ppc4xx_pob_init(env); 2487 /* OBP arbitrer */ 2488 ppc4xx_opba_init(0xef600600); 2489 /* Initialize timers */ 2490 ppc_booke_timers_init(cpu, sysclk, 0); 2491 /* Universal interrupt controller */ 2492 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB); 2493 irqs[PPCUIC_OUTPUT_INT] = 2494 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT]; 2495 irqs[PPCUIC_OUTPUT_CINT] = 2496 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT]; 2497 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1); 2498 *picp = pic; 2499 /* SDRAM controller */ 2500 /* XXX 405EP has no ECC interrupt */ 2501 ppc4xx_sdram_init(env, pic[17], 2, ram_memories, 2502 ram_bases, ram_sizes, do_init); 2503 /* External bus controller */ 2504 ppc405_ebc_init(env); 2505 /* DMA controller */ 2506 dma_irqs[0] = pic[5]; 2507 dma_irqs[1] = pic[6]; 2508 dma_irqs[2] = pic[7]; 2509 dma_irqs[3] = pic[8]; 2510 ppc405_dma_init(env, dma_irqs); 2511 /* IIC controller */ 2512 ppc405_i2c_init(0xef600500, pic[2]); 2513 /* GPIO */ 2514 ppc405_gpio_init(0xef600700); 2515 /* Serial ports */ 2516 if (serial_hds[0] != NULL) { 2517 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0], 2518 PPC_SERIAL_MM_BAUDBASE, serial_hds[0], 2519 DEVICE_BIG_ENDIAN); 2520 } 2521 if (serial_hds[1] != NULL) { 2522 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1], 2523 PPC_SERIAL_MM_BAUDBASE, serial_hds[1], 2524 DEVICE_BIG_ENDIAN); 2525 } 2526 /* OCM */ 2527 ppc405_ocm_init(env); 2528 /* GPT */ 2529 gpt_irqs[0] = pic[19]; 2530 gpt_irqs[1] = pic[20]; 2531 gpt_irqs[2] = pic[21]; 2532 gpt_irqs[3] = pic[22]; 2533 gpt_irqs[4] = pic[23]; 2534 ppc4xx_gpt_init(0xef600000, gpt_irqs); 2535 /* PCI */ 2536 /* Uses pic[3], pic[16], pic[18] */ 2537 /* MAL */ 2538 mal_irqs[0] = pic[11]; 2539 mal_irqs[1] = pic[12]; 2540 mal_irqs[2] = pic[13]; 2541 mal_irqs[3] = pic[14]; 2542 ppc405_mal_init(env, mal_irqs); 2543 /* Ethernet */ 2544 /* Uses pic[9], pic[15], pic[17] */ 2545 /* CPU control */ 2546 ppc405ep_cpc_init(env, clk_setup, sysclk); 2547 2548 return env; 2549 } 2550