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/lmb.h> 79 #include <asm/udbg.h> 80 81 #include "pmac.h" 82 83 #undef SHOW_GATWICK_IRQS 84 85 unsigned char drive_info; 86 87 int ppc_override_l2cr = 0; 88 int ppc_override_l2cr_value; 89 int has_l2cache = 0; 90 91 int pmac_newworld = 1; 92 93 static int current_root_goodness = -1; 94 95 extern int pmac_newworld; 96 extern struct machdep_calls pmac_md; 97 98 #define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */ 99 100 #ifdef CONFIG_PPC64 101 #include <asm/udbg.h> 102 int sccdbg; 103 #endif 104 105 extern void zs_kgdb_hook(int tty_num); 106 107 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN; 108 EXPORT_SYMBOL(sys_ctrler); 109 110 #ifdef CONFIG_PMAC_SMU 111 unsigned long smu_cmdbuf_abs; 112 EXPORT_SYMBOL(smu_cmdbuf_abs); 113 #endif 114 115 #ifdef CONFIG_SMP 116 extern struct smp_ops_t psurge_smp_ops; 117 extern struct smp_ops_t core99_smp_ops; 118 #endif /* CONFIG_SMP */ 119 120 static void pmac_show_cpuinfo(struct seq_file *m) 121 { 122 struct device_node *np; 123 char *pp; 124 int plen; 125 int mbmodel; 126 unsigned int mbflags; 127 char* mbname; 128 129 mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, 130 PMAC_MB_INFO_MODEL, 0); 131 mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, 132 PMAC_MB_INFO_FLAGS, 0); 133 if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME, 134 (long) &mbname) != 0) 135 mbname = "Unknown"; 136 137 /* find motherboard type */ 138 seq_printf(m, "machine\t\t: "); 139 np = of_find_node_by_path("/"); 140 if (np != NULL) { 141 pp = (char *) get_property(np, "model", NULL); 142 if (pp != NULL) 143 seq_printf(m, "%s\n", pp); 144 else 145 seq_printf(m, "PowerMac\n"); 146 pp = (char *) get_property(np, "compatible", &plen); 147 if (pp != NULL) { 148 seq_printf(m, "motherboard\t:"); 149 while (plen > 0) { 150 int l = strlen(pp) + 1; 151 seq_printf(m, " %s", pp); 152 plen -= l; 153 pp += l; 154 } 155 seq_printf(m, "\n"); 156 } 157 of_node_put(np); 158 } else 159 seq_printf(m, "PowerMac\n"); 160 161 /* print parsed model */ 162 seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname); 163 seq_printf(m, "pmac flags\t: %08x\n", mbflags); 164 165 /* find l2 cache info */ 166 np = of_find_node_by_name(NULL, "l2-cache"); 167 if (np == NULL) 168 np = of_find_node_by_type(NULL, "cache"); 169 if (np != NULL) { 170 unsigned int *ic = (unsigned int *) 171 get_property(np, "i-cache-size", NULL); 172 unsigned int *dc = (unsigned int *) 173 get_property(np, "d-cache-size", NULL); 174 seq_printf(m, "L2 cache\t:"); 175 has_l2cache = 1; 176 if (get_property(np, "cache-unified", NULL) != 0 && dc) { 177 seq_printf(m, " %dK unified", *dc / 1024); 178 } else { 179 if (ic) 180 seq_printf(m, " %dK instruction", *ic / 1024); 181 if (dc) 182 seq_printf(m, "%s %dK data", 183 (ic? " +": ""), *dc / 1024); 184 } 185 pp = get_property(np, "ram-type", NULL); 186 if (pp) 187 seq_printf(m, " %s", pp); 188 seq_printf(m, "\n"); 189 of_node_put(np); 190 } 191 192 /* Indicate newworld/oldworld */ 193 seq_printf(m, "pmac-generation\t: %s\n", 194 pmac_newworld ? "NewWorld" : "OldWorld"); 195 } 196 197 #ifndef CONFIG_ADB_CUDA 198 int find_via_cuda(void) 199 { 200 if (!find_devices("via-cuda")) 201 return 0; 202 printk("WARNING ! Your machine is CUDA-based but your kernel\n"); 203 printk(" wasn't compiled with CONFIG_ADB_CUDA option !\n"); 204 return 0; 205 } 206 #endif 207 208 #ifndef CONFIG_ADB_PMU 209 int find_via_pmu(void) 210 { 211 if (!find_devices("via-pmu")) 212 return 0; 213 printk("WARNING ! Your machine is PMU-based but your kernel\n"); 214 printk(" wasn't compiled with CONFIG_ADB_PMU option !\n"); 215 return 0; 216 } 217 #endif 218 219 #ifndef CONFIG_PMAC_SMU 220 int smu_init(void) 221 { 222 /* should check and warn if SMU is present */ 223 return 0; 224 } 225 #endif 226 227 #ifdef CONFIG_PPC32 228 static volatile u32 *sysctrl_regs; 229 230 static void __init ohare_init(void) 231 { 232 /* this area has the CPU identification register 233 and some registers used by smp boards */ 234 sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000); 235 236 /* 237 * Turn on the L2 cache. 238 * We assume that we have a PSX memory controller iff 239 * we have an ohare I/O controller. 240 */ 241 if (find_devices("ohare") != NULL) { 242 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) { 243 if (sysctrl_regs[4] & 0x10) 244 sysctrl_regs[4] |= 0x04000020; 245 else 246 sysctrl_regs[4] |= 0x04000000; 247 if(has_l2cache) 248 printk(KERN_INFO "Level 2 cache enabled\n"); 249 } 250 } 251 } 252 253 static void __init l2cr_init(void) 254 { 255 /* Checks "l2cr-value" property in the registry */ 256 if (cpu_has_feature(CPU_FTR_L2CR)) { 257 struct device_node *np = find_devices("cpus"); 258 if (np == 0) 259 np = find_type_devices("cpu"); 260 if (np != 0) { 261 unsigned int *l2cr = (unsigned int *) 262 get_property(np, "l2cr-value", NULL); 263 if (l2cr != 0) { 264 ppc_override_l2cr = 1; 265 ppc_override_l2cr_value = *l2cr; 266 _set_L2CR(0); 267 _set_L2CR(ppc_override_l2cr_value); 268 } 269 } 270 } 271 272 if (ppc_override_l2cr) 273 printk(KERN_INFO "L2CR overridden (0x%x), " 274 "backside cache is %s\n", 275 ppc_override_l2cr_value, 276 (ppc_override_l2cr_value & 0x80000000) 277 ? "enabled" : "disabled"); 278 } 279 #endif 280 281 void __init pmac_setup_arch(void) 282 { 283 struct device_node *cpu, *ic; 284 int *fp; 285 unsigned long pvr; 286 287 pvr = PVR_VER(mfspr(SPRN_PVR)); 288 289 /* Set loops_per_jiffy to a half-way reasonable value, 290 for use until calibrate_delay gets called. */ 291 loops_per_jiffy = 50000000 / HZ; 292 cpu = of_find_node_by_type(NULL, "cpu"); 293 if (cpu != NULL) { 294 fp = (int *) get_property(cpu, "clock-frequency", NULL); 295 if (fp != NULL) { 296 if (pvr >= 0x30 && pvr < 0x80) 297 /* PPC970 etc. */ 298 loops_per_jiffy = *fp / (3 * HZ); 299 else if (pvr == 4 || pvr >= 8) 300 /* 604, G3, G4 etc. */ 301 loops_per_jiffy = *fp / HZ; 302 else 303 /* 601, 603, etc. */ 304 loops_per_jiffy = *fp / (2 * HZ); 305 } 306 of_node_put(cpu); 307 } 308 309 /* See if newworld or oldworld */ 310 for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; ) 311 if (get_property(ic, "interrupt-controller", NULL)) 312 break; 313 pmac_newworld = (ic != NULL); 314 if (ic) 315 of_node_put(ic); 316 317 /* Lookup PCI hosts */ 318 pmac_pci_init(); 319 320 #ifdef CONFIG_PPC32 321 ohare_init(); 322 l2cr_init(); 323 #endif /* CONFIG_PPC32 */ 324 325 #ifdef CONFIG_KGDB 326 zs_kgdb_hook(0); 327 #endif 328 329 find_via_cuda(); 330 find_via_pmu(); 331 smu_init(); 332 333 #if defined(CONFIG_NVRAM) || defined(CONFIG_PPC64) 334 pmac_nvram_init(); 335 #endif 336 337 #ifdef CONFIG_PPC32 338 #ifdef CONFIG_BLK_DEV_INITRD 339 if (initrd_start) 340 ROOT_DEV = Root_RAM0; 341 else 342 #endif 343 ROOT_DEV = DEFAULT_ROOT_DEVICE; 344 #endif 345 346 #ifdef CONFIG_SMP 347 /* Check for Core99 */ 348 if (find_devices("uni-n") || find_devices("u3") || find_devices("u4")) 349 smp_ops = &core99_smp_ops; 350 #ifdef CONFIG_PPC32 351 else 352 smp_ops = &psurge_smp_ops; 353 #endif 354 #endif /* CONFIG_SMP */ 355 } 356 357 char *bootpath; 358 char *bootdevice; 359 void *boot_host; 360 int boot_target; 361 int boot_part; 362 extern dev_t boot_dev; 363 364 #ifdef CONFIG_SCSI 365 void __init note_scsi_host(struct device_node *node, void *host) 366 { 367 int l; 368 char *p; 369 370 l = strlen(node->full_name); 371 if (bootpath != NULL && bootdevice != NULL 372 && strncmp(node->full_name, bootdevice, l) == 0 373 && (bootdevice[l] == '/' || bootdevice[l] == 0)) { 374 boot_host = host; 375 /* 376 * There's a bug in OF 1.0.5. (Why am I not surprised.) 377 * If you pass a path like scsi/sd@1:0 to canon, it returns 378 * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0 379 * That is, the scsi target number doesn't get preserved. 380 * So we pick the target number out of bootpath and use that. 381 */ 382 p = strstr(bootpath, "/sd@"); 383 if (p != NULL) { 384 p += 4; 385 boot_target = simple_strtoul(p, NULL, 10); 386 p = strchr(p, ':'); 387 if (p != NULL) 388 boot_part = simple_strtoul(p + 1, NULL, 10); 389 } 390 } 391 } 392 EXPORT_SYMBOL(note_scsi_host); 393 #endif 394 395 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC) 396 static dev_t __init find_ide_boot(void) 397 { 398 char *p; 399 int n; 400 dev_t __init pmac_find_ide_boot(char *bootdevice, int n); 401 402 if (bootdevice == NULL) 403 return 0; 404 p = strrchr(bootdevice, '/'); 405 if (p == NULL) 406 return 0; 407 n = p - bootdevice; 408 409 return pmac_find_ide_boot(bootdevice, n); 410 } 411 #endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */ 412 413 static void __init find_boot_device(void) 414 { 415 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC) 416 boot_dev = find_ide_boot(); 417 #endif 418 } 419 420 /* TODO: Merge the suspend-to-ram with the common code !!! 421 * currently, this is a stub implementation for suspend-to-disk 422 * only 423 */ 424 425 #ifdef CONFIG_SOFTWARE_SUSPEND 426 427 static int pmac_pm_prepare(suspend_state_t state) 428 { 429 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); 430 431 return 0; 432 } 433 434 static int pmac_pm_enter(suspend_state_t state) 435 { 436 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); 437 438 /* Giveup the lazy FPU & vec so we don't have to back them 439 * up from the low level code 440 */ 441 enable_kernel_fp(); 442 443 #ifdef CONFIG_ALTIVEC 444 if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC) 445 enable_kernel_altivec(); 446 #endif /* CONFIG_ALTIVEC */ 447 448 return 0; 449 } 450 451 static int pmac_pm_finish(suspend_state_t state) 452 { 453 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state); 454 455 /* Restore userland MMU context */ 456 set_context(current->active_mm->context, current->active_mm->pgd); 457 458 return 0; 459 } 460 461 static struct pm_ops pmac_pm_ops = { 462 .pm_disk_mode = PM_DISK_SHUTDOWN, 463 .prepare = pmac_pm_prepare, 464 .enter = pmac_pm_enter, 465 .finish = pmac_pm_finish, 466 }; 467 468 #endif /* CONFIG_SOFTWARE_SUSPEND */ 469 470 static int initializing = 1; 471 472 static int pmac_late_init(void) 473 { 474 initializing = 0; 475 #ifdef CONFIG_SOFTWARE_SUSPEND 476 pm_set_ops(&pmac_pm_ops); 477 #endif /* CONFIG_SOFTWARE_SUSPEND */ 478 return 0; 479 } 480 481 late_initcall(pmac_late_init); 482 483 /* can't be __init - can be called whenever a disk is first accessed */ 484 void note_bootable_part(dev_t dev, int part, int goodness) 485 { 486 static int found_boot = 0; 487 char *p; 488 489 if (!initializing) 490 return; 491 if ((goodness <= current_root_goodness) && 492 ROOT_DEV != DEFAULT_ROOT_DEVICE) 493 return; 494 p = strstr(saved_command_line, "root="); 495 if (p != NULL && (p == saved_command_line || p[-1] == ' ')) 496 return; 497 498 if (!found_boot) { 499 find_boot_device(); 500 found_boot = 1; 501 } 502 if (!boot_dev || dev == boot_dev) { 503 ROOT_DEV = dev + part; 504 boot_dev = 0; 505 current_root_goodness = goodness; 506 } 507 } 508 509 #ifdef CONFIG_ADB_CUDA 510 static void cuda_restart(void) 511 { 512 struct adb_request req; 513 514 cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM); 515 for (;;) 516 cuda_poll(); 517 } 518 519 static void cuda_shutdown(void) 520 { 521 struct adb_request req; 522 523 cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN); 524 for (;;) 525 cuda_poll(); 526 } 527 528 #else 529 #define cuda_restart() 530 #define cuda_shutdown() 531 #endif 532 533 #ifndef CONFIG_ADB_PMU 534 #define pmu_restart() 535 #define pmu_shutdown() 536 #endif 537 538 #ifndef CONFIG_PMAC_SMU 539 #define smu_restart() 540 #define smu_shutdown() 541 #endif 542 543 static void pmac_restart(char *cmd) 544 { 545 switch (sys_ctrler) { 546 case SYS_CTRLER_CUDA: 547 cuda_restart(); 548 break; 549 case SYS_CTRLER_PMU: 550 pmu_restart(); 551 break; 552 case SYS_CTRLER_SMU: 553 smu_restart(); 554 break; 555 default: ; 556 } 557 } 558 559 static void pmac_power_off(void) 560 { 561 switch (sys_ctrler) { 562 case SYS_CTRLER_CUDA: 563 cuda_shutdown(); 564 break; 565 case SYS_CTRLER_PMU: 566 pmu_shutdown(); 567 break; 568 case SYS_CTRLER_SMU: 569 smu_shutdown(); 570 break; 571 default: ; 572 } 573 } 574 575 static void 576 pmac_halt(void) 577 { 578 pmac_power_off(); 579 } 580 581 #ifdef CONFIG_PPC32 582 void __init pmac_init(void) 583 { 584 /* isa_io_base gets set in pmac_pci_init */ 585 isa_mem_base = PMAC_ISA_MEM_BASE; 586 pci_dram_offset = PMAC_PCI_DRAM_OFFSET; 587 ISA_DMA_THRESHOLD = ~0L; 588 DMA_MODE_READ = 1; 589 DMA_MODE_WRITE = 2; 590 591 ppc_md = pmac_md; 592 593 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) 594 #ifdef CONFIG_BLK_DEV_IDE_PMAC 595 ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports; 596 ppc_ide_md.default_io_base = pmac_ide_get_base; 597 #endif /* CONFIG_BLK_DEV_IDE_PMAC */ 598 #endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */ 599 600 if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0); 601 602 } 603 #endif 604 605 /* 606 * Early initialization. 607 */ 608 static void __init pmac_init_early(void) 609 { 610 #ifdef CONFIG_PPC64 611 /* Initialize hash table, from now on, we can take hash faults 612 * and call ioremap 613 */ 614 hpte_init_native(); 615 #endif 616 617 /* Enable early btext debug if requested */ 618 if (strstr(cmd_line, "btextdbg")) { 619 udbg_adb_init_early(); 620 register_early_udbg_console(); 621 } 622 623 /* Probe motherboard chipset */ 624 pmac_feature_init(); 625 626 /* We can NAP */ 627 powersave_nap = 1; 628 printk(KERN_INFO "Using native/NAP idle loop\n"); 629 630 /* Initialize debug stuff */ 631 udbg_scc_init(!!strstr(cmd_line, "sccdbg")); 632 udbg_adb_init(!!strstr(cmd_line, "btextdbg")); 633 634 #ifdef CONFIG_PPC64 635 /* Setup interrupt mapping options */ 636 ppc64_interrupt_controller = IC_OPEN_PIC; 637 638 iommu_init_early_dart(); 639 #endif 640 } 641 642 /* 643 * pmac has no legacy IO, anything calling this function has to 644 * fail or bad things will happen 645 */ 646 static int pmac_check_legacy_ioport(unsigned int baseport) 647 { 648 return -ENODEV; 649 } 650 651 static int __init pmac_declare_of_platform_devices(void) 652 { 653 struct device_node *np; 654 655 np = of_find_node_by_name(NULL, "valkyrie"); 656 if (np) 657 of_platform_device_create(np, "valkyrie", NULL); 658 np = of_find_node_by_name(NULL, "platinum"); 659 if (np) 660 of_platform_device_create(np, "platinum", NULL); 661 np = of_find_node_by_type(NULL, "smu"); 662 if (np) { 663 of_platform_device_create(np, "smu", NULL); 664 of_node_put(np); 665 } 666 667 return 0; 668 } 669 670 device_initcall(pmac_declare_of_platform_devices); 671 672 /* 673 * Called very early, MMU is off, device-tree isn't unflattened 674 */ 675 static int __init pmac_probe(int platform) 676 { 677 #ifdef CONFIG_PPC64 678 if (platform != PLATFORM_POWERMAC) 679 return 0; 680 681 /* 682 * On U3, the DART (iommu) must be allocated now since it 683 * has an impact on htab_initialize (due to the large page it 684 * occupies having to be broken up so the DART itself is not 685 * part of the cacheable linar mapping 686 */ 687 alloc_dart_table(); 688 #endif 689 690 #ifdef CONFIG_PMAC_SMU 691 /* 692 * SMU based G5s need some memory below 2Gb, at least the current 693 * driver needs that. We have to allocate it now. We allocate 4k 694 * (1 small page) for now. 695 */ 696 smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL); 697 #endif /* CONFIG_PMAC_SMU */ 698 699 return 1; 700 } 701 702 #ifdef CONFIG_PPC64 703 /* Move that to pci.c */ 704 static int pmac_pci_probe_mode(struct pci_bus *bus) 705 { 706 struct device_node *node = bus->sysdata; 707 708 /* We need to use normal PCI probing for the AGP bus, 709 * since the device for the AGP bridge isn't in the tree. 710 */ 711 if (bus->self == NULL && (device_is_compatible(node, "u3-agp") || 712 device_is_compatible(node, "u4-pcie"))) 713 return PCI_PROBE_NORMAL; 714 return PCI_PROBE_DEVTREE; 715 } 716 #endif 717 718 struct machdep_calls __initdata pmac_md = { 719 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64) 720 .cpu_die = generic_mach_cpu_die, 721 #endif 722 .probe = pmac_probe, 723 .setup_arch = pmac_setup_arch, 724 .init_early = pmac_init_early, 725 .show_cpuinfo = pmac_show_cpuinfo, 726 .init_IRQ = pmac_pic_init, 727 .get_irq = NULL, /* changed later */ 728 .pcibios_fixup = pmac_pcibios_fixup, 729 .restart = pmac_restart, 730 .power_off = pmac_power_off, 731 .halt = pmac_halt, 732 .time_init = pmac_time_init, 733 .get_boot_time = pmac_get_boot_time, 734 .set_rtc_time = pmac_set_rtc_time, 735 .get_rtc_time = pmac_get_rtc_time, 736 .calibrate_decr = pmac_calibrate_decr, 737 .feature_call = pmac_do_feature_call, 738 .check_legacy_ioport = pmac_check_legacy_ioport, 739 .progress = udbg_progress, 740 #ifdef CONFIG_PPC64 741 .pci_probe_mode = pmac_pci_probe_mode, 742 .idle_loop = native_idle, 743 .enable_pmcs = power4_enable_pmcs, 744 #ifdef CONFIG_KEXEC 745 .machine_kexec = default_machine_kexec, 746 .machine_kexec_prepare = default_machine_kexec_prepare, 747 .machine_crash_shutdown = default_machine_crash_shutdown, 748 #endif 749 #endif /* CONFIG_PPC64 */ 750 #ifdef CONFIG_PPC32 751 .pcibios_enable_device_hook = pmac_pci_enable_device_hook, 752 .pcibios_after_init = pmac_pcibios_after_init, 753 .phys_mem_access_prot = pci_phys_mem_access_prot, 754 #endif 755 }; 756