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