1 /* 2 * Powermac setup and early boot code plus other random bits. 3 * 4 * PowerPC version 5 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 6 * 7 * Adapted for Power Macintosh by Paul Mackerras 8 * Copyright (C) 1996 Paul Mackerras (paulus@samba.org) 9 * 10 * Derived from "arch/alpha/kernel/setup.c" 11 * Copyright (C) 1995 Linus Torvalds 12 * 13 * Maintained by Benjamin Herrenschmidt (benh@kernel.crashing.org) 14 * 15 * This program is free software; you can redistribute it and/or 16 * modify it under the terms of the GNU General Public License 17 * as published by the Free Software Foundation; either version 18 * 2 of the License, or (at your option) any later version. 19 * 20 */ 21 22 /* 23 * bootup setup stuff.. 24 */ 25 26 #include <linux/config.h> 27 #include <linux/init.h> 28 #include <linux/errno.h> 29 #include <linux/sched.h> 30 #include <linux/kernel.h> 31 #include <linux/mm.h> 32 #include <linux/stddef.h> 33 #include <linux/unistd.h> 34 #include <linux/ptrace.h> 35 #include <linux/slab.h> 36 #include <linux/user.h> 37 #include <linux/a.out.h> 38 #include <linux/tty.h> 39 #include <linux/string.h> 40 #include <linux/delay.h> 41 #include <linux/ioport.h> 42 #include <linux/major.h> 43 #include <linux/initrd.h> 44 #include <linux/vt_kern.h> 45 #include <linux/console.h> 46 #include <linux/ide.h> 47 #include <linux/pci.h> 48 #include <linux/adb.h> 49 #include <linux/cuda.h> 50 #include <linux/pmu.h> 51 #include <linux/irq.h> 52 #include <linux/seq_file.h> 53 #include <linux/root_dev.h> 54 #include <linux/bitops.h> 55 #include <linux/suspend.h> 56 57 #include <asm/reg.h> 58 #include <asm/sections.h> 59 #include <asm/prom.h> 60 #include <asm/system.h> 61 #include <asm/pgtable.h> 62 #include <asm/io.h> 63 #include <asm/kexec.h> 64 #include <asm/pci-bridge.h> 65 #include <asm/ohare.h> 66 #include <asm/mediabay.h> 67 #include <asm/machdep.h> 68 #include <asm/dma.h> 69 #include <asm/cputable.h> 70 #include <asm/btext.h> 71 #include <asm/pmac_feature.h> 72 #include <asm/time.h> 73 #include <asm/of_device.h> 74 #include <asm/mmu_context.h> 75 #include <asm/iommu.h> 76 #include <asm/smu.h> 77 #include <asm/pmc.h> 78 #include <asm/mpic.h> 79 #include <asm/lmb.h> 80 #include <asm/udbg.h> 81 82 #include "pmac.h" 83 84 #undef SHOW_GATWICK_IRQS 85 86 unsigned char drive_info; 87 88 int ppc_override_l2cr = 0; 89 int ppc_override_l2cr_value; 90 int has_l2cache = 0; 91 92 int pmac_newworld = 1; 93 94 static int current_root_goodness = -1; 95 96 extern int pmac_newworld; 97 extern struct machdep_calls pmac_md; 98 99 #define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */ 100 101 #ifdef CONFIG_PPC64 102 #include <asm/udbg.h> 103 int sccdbg; 104 #endif 105 106 extern void zs_kgdb_hook(int tty_num); 107 108 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN; 109 EXPORT_SYMBOL(sys_ctrler); 110 111 #ifdef CONFIG_PMAC_SMU 112 unsigned long smu_cmdbuf_abs; 113 EXPORT_SYMBOL(smu_cmdbuf_abs); 114 #endif 115 116 #ifdef CONFIG_SMP 117 extern struct smp_ops_t psurge_smp_ops; 118 extern struct smp_ops_t core99_smp_ops; 119 #endif /* CONFIG_SMP */ 120 121 static void pmac_show_cpuinfo(struct seq_file *m) 122 { 123 struct device_node *np; 124 char *pp; 125 int plen; 126 int mbmodel; 127 unsigned int mbflags; 128 char* mbname; 129 130 mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, 131 PMAC_MB_INFO_MODEL, 0); 132 mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, 133 PMAC_MB_INFO_FLAGS, 0); 134 if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME, 135 (long) &mbname) != 0) 136 mbname = "Unknown"; 137 138 /* find motherboard type */ 139 seq_printf(m, "machine\t\t: "); 140 np = of_find_node_by_path("/"); 141 if (np != NULL) { 142 pp = (char *) get_property(np, "model", NULL); 143 if (pp != NULL) 144 seq_printf(m, "%s\n", pp); 145 else 146 seq_printf(m, "PowerMac\n"); 147 pp = (char *) get_property(np, "compatible", &plen); 148 if (pp != NULL) { 149 seq_printf(m, "motherboard\t:"); 150 while (plen > 0) { 151 int l = strlen(pp) + 1; 152 seq_printf(m, " %s", pp); 153 plen -= l; 154 pp += l; 155 } 156 seq_printf(m, "\n"); 157 } 158 of_node_put(np); 159 } else 160 seq_printf(m, "PowerMac\n"); 161 162 /* print parsed model */ 163 seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname); 164 seq_printf(m, "pmac flags\t: %08x\n", mbflags); 165 166 /* find l2 cache info */ 167 np = of_find_node_by_name(NULL, "l2-cache"); 168 if (np == NULL) 169 np = of_find_node_by_type(NULL, "cache"); 170 if (np != NULL) { 171 unsigned int *ic = (unsigned int *) 172 get_property(np, "i-cache-size", NULL); 173 unsigned int *dc = (unsigned int *) 174 get_property(np, "d-cache-size", NULL); 175 seq_printf(m, "L2 cache\t:"); 176 has_l2cache = 1; 177 if (get_property(np, "cache-unified", NULL) != 0 && dc) { 178 seq_printf(m, " %dK unified", *dc / 1024); 179 } else { 180 if (ic) 181 seq_printf(m, " %dK instruction", *ic / 1024); 182 if (dc) 183 seq_printf(m, "%s %dK data", 184 (ic? " +": ""), *dc / 1024); 185 } 186 pp = get_property(np, "ram-type", NULL); 187 if (pp) 188 seq_printf(m, " %s", pp); 189 seq_printf(m, "\n"); 190 of_node_put(np); 191 } 192 193 /* Indicate newworld/oldworld */ 194 seq_printf(m, "pmac-generation\t: %s\n", 195 pmac_newworld ? "NewWorld" : "OldWorld"); 196 } 197 198 #ifndef CONFIG_ADB_CUDA 199 int find_via_cuda(void) 200 { 201 if (!find_devices("via-cuda")) 202 return 0; 203 printk("WARNING ! Your machine is CUDA-based but your kernel\n"); 204 printk(" wasn't compiled with CONFIG_ADB_CUDA option !\n"); 205 return 0; 206 } 207 #endif 208 209 #ifndef CONFIG_ADB_PMU 210 int find_via_pmu(void) 211 { 212 if (!find_devices("via-pmu")) 213 return 0; 214 printk("WARNING ! Your machine is PMU-based but your kernel\n"); 215 printk(" wasn't compiled with CONFIG_ADB_PMU option !\n"); 216 return 0; 217 } 218 #endif 219 220 #ifndef CONFIG_PMAC_SMU 221 int smu_init(void) 222 { 223 /* should check and warn if SMU is present */ 224 return 0; 225 } 226 #endif 227 228 #ifdef CONFIG_PPC32 229 static volatile u32 *sysctrl_regs; 230 231 static void __init ohare_init(void) 232 { 233 /* this area has the CPU identification register 234 and some registers used by smp boards */ 235 sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000); 236 237 /* 238 * Turn on the L2 cache. 239 * We assume that we have a PSX memory controller iff 240 * we have an ohare I/O controller. 241 */ 242 if (find_devices("ohare") != NULL) { 243 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) { 244 if (sysctrl_regs[4] & 0x10) 245 sysctrl_regs[4] |= 0x04000020; 246 else 247 sysctrl_regs[4] |= 0x04000000; 248 if(has_l2cache) 249 printk(KERN_INFO "Level 2 cache enabled\n"); 250 } 251 } 252 } 253 254 static void __init l2cr_init(void) 255 { 256 /* Checks "l2cr-value" property in the registry */ 257 if (cpu_has_feature(CPU_FTR_L2CR)) { 258 struct device_node *np = find_devices("cpus"); 259 if (np == 0) 260 np = find_type_devices("cpu"); 261 if (np != 0) { 262 unsigned int *l2cr = (unsigned int *) 263 get_property(np, "l2cr-value", NULL); 264 if (l2cr != 0) { 265 ppc_override_l2cr = 1; 266 ppc_override_l2cr_value = *l2cr; 267 _set_L2CR(0); 268 _set_L2CR(ppc_override_l2cr_value); 269 } 270 } 271 } 272 273 if (ppc_override_l2cr) 274 printk(KERN_INFO "L2CR overridden (0x%x), " 275 "backside cache is %s\n", 276 ppc_override_l2cr_value, 277 (ppc_override_l2cr_value & 0x80000000) 278 ? "enabled" : "disabled"); 279 } 280 #endif 281 282 void __init pmac_setup_arch(void) 283 { 284 struct device_node *cpu, *ic; 285 int *fp; 286 unsigned long pvr; 287 288 pvr = PVR_VER(mfspr(SPRN_PVR)); 289 290 /* Set loops_per_jiffy to a half-way reasonable value, 291 for use until calibrate_delay gets called. */ 292 loops_per_jiffy = 50000000 / HZ; 293 cpu = of_find_node_by_type(NULL, "cpu"); 294 if (cpu != NULL) { 295 fp = (int *) get_property(cpu, "clock-frequency", NULL); 296 if (fp != NULL) { 297 if (pvr >= 0x30 && pvr < 0x80) 298 /* PPC970 etc. */ 299 loops_per_jiffy = *fp / (3 * HZ); 300 else if (pvr == 4 || pvr >= 8) 301 /* 604, G3, G4 etc. */ 302 loops_per_jiffy = *fp / HZ; 303 else 304 /* 601, 603, etc. */ 305 loops_per_jiffy = *fp / (2 * HZ); 306 } 307 of_node_put(cpu); 308 } 309 310 /* See if newworld or oldworld */ 311 for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; ) 312 if (get_property(ic, "interrupt-controller", NULL)) 313 break; 314 pmac_newworld = (ic != NULL); 315 if (ic) 316 of_node_put(ic); 317 318 /* Lookup PCI hosts */ 319 pmac_pci_init(); 320 321 #ifdef CONFIG_PPC32 322 ohare_init(); 323 l2cr_init(); 324 #endif /* CONFIG_PPC32 */ 325 326 #ifdef CONFIG_KGDB 327 zs_kgdb_hook(0); 328 #endif 329 330 find_via_cuda(); 331 find_via_pmu(); 332 smu_init(); 333 334 #if defined(CONFIG_NVRAM) || defined(CONFIG_PPC64) 335 pmac_nvram_init(); 336 #endif 337 338 #ifdef CONFIG_PPC32 339 #ifdef CONFIG_BLK_DEV_INITRD 340 if (initrd_start) 341 ROOT_DEV = Root_RAM0; 342 else 343 #endif 344 ROOT_DEV = DEFAULT_ROOT_DEVICE; 345 #endif 346 347 #ifdef CONFIG_SMP 348 /* Check for Core99 */ 349 if (find_devices("uni-n") || find_devices("u3")) 350 smp_ops = &core99_smp_ops; 351 #ifdef CONFIG_PPC32 352 else 353 smp_ops = &psurge_smp_ops; 354 #endif 355 #endif /* CONFIG_SMP */ 356 } 357 358 char *bootpath; 359 char *bootdevice; 360 void *boot_host; 361 int boot_target; 362 int boot_part; 363 extern dev_t boot_dev; 364 365 #ifdef CONFIG_SCSI 366 void __init note_scsi_host(struct device_node *node, void *host) 367 { 368 int l; 369 char *p; 370 371 l = strlen(node->full_name); 372 if (bootpath != NULL && bootdevice != NULL 373 && strncmp(node->full_name, bootdevice, l) == 0 374 && (bootdevice[l] == '/' || bootdevice[l] == 0)) { 375 boot_host = host; 376 /* 377 * There's a bug in OF 1.0.5. (Why am I not surprised.) 378 * If you pass a path like scsi/sd@1:0 to canon, it returns 379 * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0 380 * That is, the scsi target number doesn't get preserved. 381 * So we pick the target number out of bootpath and use that. 382 */ 383 p = strstr(bootpath, "/sd@"); 384 if (p != NULL) { 385 p += 4; 386 boot_target = simple_strtoul(p, NULL, 10); 387 p = strchr(p, ':'); 388 if (p != NULL) 389 boot_part = simple_strtoul(p + 1, NULL, 10); 390 } 391 } 392 } 393 EXPORT_SYMBOL(note_scsi_host); 394 #endif 395 396 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC) 397 static dev_t __init find_ide_boot(void) 398 { 399 char *p; 400 int n; 401 dev_t __init pmac_find_ide_boot(char *bootdevice, int n); 402 403 if (bootdevice == NULL) 404 return 0; 405 p = strrchr(bootdevice, '/'); 406 if (p == NULL) 407 return 0; 408 n = p - bootdevice; 409 410 return pmac_find_ide_boot(bootdevice, n); 411 } 412 #endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */ 413 414 static void __init find_boot_device(void) 415 { 416 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC) 417 boot_dev = find_ide_boot(); 418 #endif 419 } 420 421 /* TODO: Merge the suspend-to-ram with the common code !!! 422 * currently, this is a stub implementation for suspend-to-disk 423 * only 424 */ 425 426 #ifdef CONFIG_SOFTWARE_SUSPEND 427 428 static int pmac_pm_prepare(suspend_state_t state) 429 { 430 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); 431 432 return 0; 433 } 434 435 static int pmac_pm_enter(suspend_state_t state) 436 { 437 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); 438 439 /* Giveup the lazy FPU & vec so we don't have to back them 440 * up from the low level code 441 */ 442 enable_kernel_fp(); 443 444 #ifdef CONFIG_ALTIVEC 445 if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC) 446 enable_kernel_altivec(); 447 #endif /* CONFIG_ALTIVEC */ 448 449 return 0; 450 } 451 452 static int pmac_pm_finish(suspend_state_t state) 453 { 454 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); 455 456 /* Restore userland MMU context */ 457 set_context(current->active_mm->context, current->active_mm->pgd); 458 459 return 0; 460 } 461 462 static struct pm_ops pmac_pm_ops = { 463 .pm_disk_mode = PM_DISK_SHUTDOWN, 464 .prepare = pmac_pm_prepare, 465 .enter = pmac_pm_enter, 466 .finish = pmac_pm_finish, 467 }; 468 469 #endif /* CONFIG_SOFTWARE_SUSPEND */ 470 471 static int initializing = 1; 472 473 static int pmac_late_init(void) 474 { 475 initializing = 0; 476 #ifdef CONFIG_SOFTWARE_SUSPEND 477 pm_set_ops(&pmac_pm_ops); 478 #endif /* CONFIG_SOFTWARE_SUSPEND */ 479 return 0; 480 } 481 482 late_initcall(pmac_late_init); 483 484 /* can't be __init - can be called whenever a disk is first accessed */ 485 void note_bootable_part(dev_t dev, int part, int goodness) 486 { 487 static int found_boot = 0; 488 char *p; 489 490 if (!initializing) 491 return; 492 if ((goodness <= current_root_goodness) && 493 ROOT_DEV != DEFAULT_ROOT_DEVICE) 494 return; 495 p = strstr(saved_command_line, "root="); 496 if (p != NULL && (p == saved_command_line || p[-1] == ' ')) 497 return; 498 499 if (!found_boot) { 500 find_boot_device(); 501 found_boot = 1; 502 } 503 if (!boot_dev || dev == boot_dev) { 504 ROOT_DEV = dev + part; 505 boot_dev = 0; 506 current_root_goodness = goodness; 507 } 508 } 509 510 #ifdef CONFIG_ADB_CUDA 511 static void cuda_restart(void) 512 { 513 struct adb_request req; 514 515 cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM); 516 for (;;) 517 cuda_poll(); 518 } 519 520 static void cuda_shutdown(void) 521 { 522 struct adb_request req; 523 524 cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN); 525 for (;;) 526 cuda_poll(); 527 } 528 529 #else 530 #define cuda_restart() 531 #define cuda_shutdown() 532 #endif 533 534 #ifndef CONFIG_ADB_PMU 535 #define pmu_restart() 536 #define pmu_shutdown() 537 #endif 538 539 #ifndef CONFIG_PMAC_SMU 540 #define smu_restart() 541 #define smu_shutdown() 542 #endif 543 544 static void pmac_restart(char *cmd) 545 { 546 switch (sys_ctrler) { 547 case SYS_CTRLER_CUDA: 548 cuda_restart(); 549 break; 550 case SYS_CTRLER_PMU: 551 pmu_restart(); 552 break; 553 case SYS_CTRLER_SMU: 554 smu_restart(); 555 break; 556 default: ; 557 } 558 } 559 560 static void pmac_power_off(void) 561 { 562 switch (sys_ctrler) { 563 case SYS_CTRLER_CUDA: 564 cuda_shutdown(); 565 break; 566 case SYS_CTRLER_PMU: 567 pmu_shutdown(); 568 break; 569 case SYS_CTRLER_SMU: 570 smu_shutdown(); 571 break; 572 default: ; 573 } 574 } 575 576 static void 577 pmac_halt(void) 578 { 579 pmac_power_off(); 580 } 581 582 #ifdef CONFIG_PPC32 583 void __init pmac_init(void) 584 { 585 /* isa_io_base gets set in pmac_pci_init */ 586 isa_mem_base = PMAC_ISA_MEM_BASE; 587 pci_dram_offset = PMAC_PCI_DRAM_OFFSET; 588 ISA_DMA_THRESHOLD = ~0L; 589 DMA_MODE_READ = 1; 590 DMA_MODE_WRITE = 2; 591 592 ppc_md = pmac_md; 593 594 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) 595 #ifdef CONFIG_BLK_DEV_IDE_PMAC 596 ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports; 597 ppc_ide_md.default_io_base = pmac_ide_get_base; 598 #endif /* CONFIG_BLK_DEV_IDE_PMAC */ 599 #endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */ 600 601 if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0); 602 603 } 604 #endif 605 606 /* 607 * Early initialization. 608 */ 609 static void __init pmac_init_early(void) 610 { 611 #ifdef CONFIG_PPC64 612 /* Initialize hash table, from now on, we can take hash faults 613 * and call ioremap 614 */ 615 hpte_init_native(); 616 #endif 617 618 /* Enable early btext debug if requested */ 619 if (strstr(cmd_line, "btextdbg")) { 620 udbg_adb_init_early(); 621 register_early_udbg_console(); 622 } 623 624 /* Probe motherboard chipset */ 625 pmac_feature_init(); 626 627 /* We can NAP */ 628 powersave_nap = 1; 629 printk(KERN_INFO "Using native/NAP idle loop\n"); 630 631 /* Initialize debug stuff */ 632 udbg_scc_init(!!strstr(cmd_line, "sccdbg")); 633 udbg_adb_init(!!strstr(cmd_line, "btextdbg")); 634 635 #ifdef CONFIG_PPC64 636 /* Setup interrupt mapping options */ 637 ppc64_interrupt_controller = IC_OPEN_PIC; 638 639 iommu_init_early_u3(); 640 #endif 641 } 642 643 static void __init pmac_progress(char *s, unsigned short hex) 644 { 645 udbg_puts(s); 646 udbg_puts("\n"); 647 } 648 649 /* 650 * pmac has no legacy IO, anything calling this function has to 651 * fail or bad things will happen 652 */ 653 static int pmac_check_legacy_ioport(unsigned int baseport) 654 { 655 return -ENODEV; 656 } 657 658 static int __init pmac_declare_of_platform_devices(void) 659 { 660 struct device_node *np, *npp; 661 662 np = find_devices("uni-n"); 663 if (np) { 664 for (np = np->child; np != NULL; np = np->sibling) 665 if (strncmp(np->name, "i2c", 3) == 0) { 666 of_platform_device_create(np, "uni-n-i2c", 667 NULL); 668 break; 669 } 670 } 671 np = find_devices("valkyrie"); 672 if (np) 673 of_platform_device_create(np, "valkyrie", NULL); 674 np = find_devices("platinum"); 675 if (np) 676 of_platform_device_create(np, "platinum", NULL); 677 678 npp = of_find_node_by_name(NULL, "u3"); 679 if (npp) { 680 for (np = NULL; (np = of_get_next_child(npp, np)) != NULL;) { 681 if (strncmp(np->name, "i2c", 3) == 0) { 682 of_platform_device_create(np, "u3-i2c", NULL); 683 of_node_put(np); 684 break; 685 } 686 } 687 of_node_put(npp); 688 } 689 np = of_find_node_by_type(NULL, "smu"); 690 if (np) { 691 of_platform_device_create(np, "smu", NULL); 692 of_node_put(np); 693 } 694 695 return 0; 696 } 697 698 device_initcall(pmac_declare_of_platform_devices); 699 700 /* 701 * Called very early, MMU is off, device-tree isn't unflattened 702 */ 703 static int __init pmac_probe(int platform) 704 { 705 #ifdef CONFIG_PPC64 706 if (platform != PLATFORM_POWERMAC) 707 return 0; 708 709 /* 710 * On U3, the DART (iommu) must be allocated now since it 711 * has an impact on htab_initialize (due to the large page it 712 * occupies having to be broken up so the DART itself is not 713 * part of the cacheable linar mapping 714 */ 715 alloc_u3_dart_table(); 716 #endif 717 718 #ifdef CONFIG_PMAC_SMU 719 /* 720 * SMU based G5s need some memory below 2Gb, at least the current 721 * driver needs that. We have to allocate it now. We allocate 4k 722 * (1 small page) for now. 723 */ 724 smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL); 725 #endif /* CONFIG_PMAC_SMU */ 726 727 return 1; 728 } 729 730 #ifdef CONFIG_PPC64 731 /* Move that to pci.c */ 732 static int pmac_pci_probe_mode(struct pci_bus *bus) 733 { 734 struct device_node *node = bus->sysdata; 735 736 /* We need to use normal PCI probing for the AGP bus, 737 since the device for the AGP bridge isn't in the tree. */ 738 if (bus->self == NULL && device_is_compatible(node, "u3-agp")) 739 return PCI_PROBE_NORMAL; 740 741 return PCI_PROBE_DEVTREE; 742 } 743 #endif 744 745 struct machdep_calls __initdata pmac_md = { 746 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64) 747 .cpu_die = generic_mach_cpu_die, 748 #endif 749 .probe = pmac_probe, 750 .setup_arch = pmac_setup_arch, 751 .init_early = pmac_init_early, 752 .show_cpuinfo = pmac_show_cpuinfo, 753 .init_IRQ = pmac_pic_init, 754 .get_irq = mpic_get_irq, /* changed later */ 755 .pcibios_fixup = pmac_pcibios_fixup, 756 .restart = pmac_restart, 757 .power_off = pmac_power_off, 758 .halt = pmac_halt, 759 .time_init = pmac_time_init, 760 .get_boot_time = pmac_get_boot_time, 761 .set_rtc_time = pmac_set_rtc_time, 762 .get_rtc_time = pmac_get_rtc_time, 763 .calibrate_decr = pmac_calibrate_decr, 764 .feature_call = pmac_do_feature_call, 765 .check_legacy_ioport = pmac_check_legacy_ioport, 766 .progress = pmac_progress, 767 #ifdef CONFIG_PPC64 768 .pci_probe_mode = pmac_pci_probe_mode, 769 .idle_loop = native_idle, 770 .enable_pmcs = power4_enable_pmcs, 771 #ifdef CONFIG_KEXEC 772 .machine_kexec = default_machine_kexec, 773 .machine_kexec_prepare = default_machine_kexec_prepare, 774 .machine_crash_shutdown = default_machine_crash_shutdown, 775 #endif 776 #endif /* CONFIG_PPC64 */ 777 #ifdef CONFIG_PPC32 778 .pcibios_enable_device_hook = pmac_pci_enable_device_hook, 779 .pcibios_after_init = pmac_pcibios_after_init, 780 .phys_mem_access_prot = pci_phys_mem_access_prot, 781 #endif 782 }; 783