[POWERPC] Merge 32 and 64 bits asm-powerpc/io.h
[linux-3.10.git] / arch / powerpc / platforms / powermac / setup.c
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/init.h>
27 #include <linux/errno.h>
28 #include <linux/sched.h>
29 #include <linux/kernel.h>
30 #include <linux/mm.h>
31 #include <linux/stddef.h>
32 #include <linux/unistd.h>
33 #include <linux/ptrace.h>
34 #include <linux/slab.h>
35 #include <linux/user.h>
36 #include <linux/a.out.h>
37 #include <linux/tty.h>
38 #include <linux/string.h>
39 #include <linux/delay.h>
40 #include <linux/ioport.h>
41 #include <linux/major.h>
42 #include <linux/initrd.h>
43 #include <linux/vt_kern.h>
44 #include <linux/console.h>
45 #include <linux/ide.h>
46 #include <linux/pci.h>
47 #include <linux/adb.h>
48 #include <linux/cuda.h>
49 #include <linux/pmu.h>
50 #include <linux/irq.h>
51 #include <linux/seq_file.h>
52 #include <linux/root_dev.h>
53 #include <linux/bitops.h>
54 #include <linux/suspend.h>
55
56 #include <asm/reg.h>
57 #include <asm/sections.h>
58 #include <asm/prom.h>
59 #include <asm/system.h>
60 #include <asm/pgtable.h>
61 #include <asm/io.h>
62 #include <asm/kexec.h>
63 #include <asm/pci-bridge.h>
64 #include <asm/ohare.h>
65 #include <asm/mediabay.h>
66 #include <asm/machdep.h>
67 #include <asm/dma.h>
68 #include <asm/cputable.h>
69 #include <asm/btext.h>
70 #include <asm/pmac_feature.h>
71 #include <asm/time.h>
72 #include <asm/of_device.h>
73 #include <asm/of_platform.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 int ppc_override_l2cr = 0;
86 int ppc_override_l2cr_value;
87 int has_l2cache = 0;
88
89 int pmac_newworld;
90
91 static int current_root_goodness = -1;
92
93 extern struct machdep_calls pmac_md;
94
95 #define DEFAULT_ROOT_DEVICE Root_SDA1   /* sda1 - slightly silly choice */
96
97 #ifdef CONFIG_PPC64
98 #include <asm/udbg.h>
99 int sccdbg;
100 #endif
101
102 extern void zs_kgdb_hook(int tty_num);
103
104 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
105 EXPORT_SYMBOL(sys_ctrler);
106
107 #ifdef CONFIG_PMAC_SMU
108 unsigned long smu_cmdbuf_abs;
109 EXPORT_SYMBOL(smu_cmdbuf_abs);
110 #endif
111
112 #ifdef CONFIG_SMP
113 extern struct smp_ops_t psurge_smp_ops;
114 extern struct smp_ops_t core99_smp_ops;
115 #endif /* CONFIG_SMP */
116
117 static void pmac_show_cpuinfo(struct seq_file *m)
118 {
119         struct device_node *np;
120         const char *pp;
121         int plen;
122         int mbmodel;
123         unsigned int mbflags;
124         char* mbname;
125
126         mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
127                                     PMAC_MB_INFO_MODEL, 0);
128         mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
129                                     PMAC_MB_INFO_FLAGS, 0);
130         if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME,
131                               (long) &mbname) != 0)
132                 mbname = "Unknown";
133
134         /* find motherboard type */
135         seq_printf(m, "machine\t\t: ");
136         np = of_find_node_by_path("/");
137         if (np != NULL) {
138                 pp = get_property(np, "model", NULL);
139                 if (pp != NULL)
140                         seq_printf(m, "%s\n", pp);
141                 else
142                         seq_printf(m, "PowerMac\n");
143                 pp = get_property(np, "compatible", &plen);
144                 if (pp != NULL) {
145                         seq_printf(m, "motherboard\t:");
146                         while (plen > 0) {
147                                 int l = strlen(pp) + 1;
148                                 seq_printf(m, " %s", pp);
149                                 plen -= l;
150                                 pp += l;
151                         }
152                         seq_printf(m, "\n");
153                 }
154                 of_node_put(np);
155         } else
156                 seq_printf(m, "PowerMac\n");
157
158         /* print parsed model */
159         seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname);
160         seq_printf(m, "pmac flags\t: %08x\n", mbflags);
161
162         /* find l2 cache info */
163         np = of_find_node_by_name(NULL, "l2-cache");
164         if (np == NULL)
165                 np = of_find_node_by_type(NULL, "cache");
166         if (np != NULL) {
167                 const unsigned int *ic = get_property(np, "i-cache-size", NULL);
168                 const unsigned int *dc = get_property(np, "d-cache-size", NULL);
169                 seq_printf(m, "L2 cache\t:");
170                 has_l2cache = 1;
171                 if (get_property(np, "cache-unified", NULL) != 0 && dc) {
172                         seq_printf(m, " %dK unified", *dc / 1024);
173                 } else {
174                         if (ic)
175                                 seq_printf(m, " %dK instruction", *ic / 1024);
176                         if (dc)
177                                 seq_printf(m, "%s %dK data",
178                                            (ic? " +": ""), *dc / 1024);
179                 }
180                 pp = get_property(np, "ram-type", NULL);
181                 if (pp)
182                         seq_printf(m, " %s", pp);
183                 seq_printf(m, "\n");
184                 of_node_put(np);
185         }
186
187         /* Indicate newworld/oldworld */
188         seq_printf(m, "pmac-generation\t: %s\n",
189                    pmac_newworld ? "NewWorld" : "OldWorld");
190 }
191
192 #ifndef CONFIG_ADB_CUDA
193 int find_via_cuda(void)
194 {
195         if (!find_devices("via-cuda"))
196                 return 0;
197         printk("WARNING ! Your machine is CUDA-based but your kernel\n");
198         printk("          wasn't compiled with CONFIG_ADB_CUDA option !\n");
199         return 0;
200 }
201 #endif
202
203 #ifndef CONFIG_ADB_PMU
204 int find_via_pmu(void)
205 {
206         if (!find_devices("via-pmu"))
207                 return 0;
208         printk("WARNING ! Your machine is PMU-based but your kernel\n");
209         printk("          wasn't compiled with CONFIG_ADB_PMU option !\n");
210         return 0;
211 }
212 #endif
213
214 #ifndef CONFIG_PMAC_SMU
215 int smu_init(void)
216 {
217         /* should check and warn if SMU is present */
218         return 0;
219 }
220 #endif
221
222 #ifdef CONFIG_PPC32
223 static volatile u32 *sysctrl_regs;
224
225 static void __init ohare_init(void)
226 {
227         /* this area has the CPU identification register
228            and some registers used by smp boards */
229         sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
230
231         /*
232          * Turn on the L2 cache.
233          * We assume that we have a PSX memory controller iff
234          * we have an ohare I/O controller.
235          */
236         if (find_devices("ohare") != NULL) {
237                 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
238                         if (sysctrl_regs[4] & 0x10)
239                                 sysctrl_regs[4] |= 0x04000020;
240                         else
241                                 sysctrl_regs[4] |= 0x04000000;
242                         if(has_l2cache)
243                                 printk(KERN_INFO "Level 2 cache enabled\n");
244                 }
245         }
246 }
247
248 static void __init l2cr_init(void)
249 {
250         /* Checks "l2cr-value" property in the registry */
251         if (cpu_has_feature(CPU_FTR_L2CR)) {
252                 struct device_node *np = find_devices("cpus");
253                 if (np == 0)
254                         np = find_type_devices("cpu");
255                 if (np != 0) {
256                         const unsigned int *l2cr =
257                                 get_property(np, "l2cr-value", NULL);
258                         if (l2cr != 0) {
259                                 ppc_override_l2cr = 1;
260                                 ppc_override_l2cr_value = *l2cr;
261                                 _set_L2CR(0);
262                                 _set_L2CR(ppc_override_l2cr_value);
263                         }
264                 }
265         }
266
267         if (ppc_override_l2cr)
268                 printk(KERN_INFO "L2CR overridden (0x%x), "
269                        "backside cache is %s\n",
270                        ppc_override_l2cr_value,
271                        (ppc_override_l2cr_value & 0x80000000)
272                                 ? "enabled" : "disabled");
273 }
274 #endif
275
276 static void __init pmac_setup_arch(void)
277 {
278         struct device_node *cpu, *ic;
279         const int *fp;
280         unsigned long pvr;
281
282         pvr = PVR_VER(mfspr(SPRN_PVR));
283
284         /* Set loops_per_jiffy to a half-way reasonable value,
285            for use until calibrate_delay gets called. */
286         loops_per_jiffy = 50000000 / HZ;
287         cpu = of_find_node_by_type(NULL, "cpu");
288         if (cpu != NULL) {
289                 fp = get_property(cpu, "clock-frequency", NULL);
290                 if (fp != NULL) {
291                         if (pvr >= 0x30 && pvr < 0x80)
292                                 /* PPC970 etc. */
293                                 loops_per_jiffy = *fp / (3 * HZ);
294                         else if (pvr == 4 || pvr >= 8)
295                                 /* 604, G3, G4 etc. */
296                                 loops_per_jiffy = *fp / HZ;
297                         else
298                                 /* 601, 603, etc. */
299                                 loops_per_jiffy = *fp / (2 * HZ);
300                 }
301                 of_node_put(cpu);
302         }
303
304         /* See if newworld or oldworld */
305         for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; )
306                 if (get_property(ic, "interrupt-controller", NULL))
307                         break;
308         if (ic) {
309                 pmac_newworld = 1;
310                 of_node_put(ic);
311         }
312
313         /* Lookup PCI hosts */
314         pmac_pci_init();
315
316 #ifdef CONFIG_PPC32
317         ohare_init();
318         l2cr_init();
319 #endif /* CONFIG_PPC32 */
320
321 #ifdef CONFIG_KGDB
322         zs_kgdb_hook(0);
323 #endif
324
325         find_via_cuda();
326         find_via_pmu();
327         smu_init();
328
329 #if defined(CONFIG_NVRAM) || defined(CONFIG_PPC64)
330         pmac_nvram_init();
331 #endif
332
333 #ifdef CONFIG_PPC32
334 #ifdef CONFIG_BLK_DEV_INITRD
335         if (initrd_start)
336                 ROOT_DEV = Root_RAM0;
337         else
338 #endif
339                 ROOT_DEV = DEFAULT_ROOT_DEVICE;
340 #endif
341
342 #ifdef CONFIG_SMP
343         /* Check for Core99 */
344         if (find_devices("uni-n") || find_devices("u3") || find_devices("u4"))
345                 smp_ops = &core99_smp_ops;
346 #ifdef CONFIG_PPC32
347         else
348                 smp_ops = &psurge_smp_ops;
349 #endif
350 #endif /* CONFIG_SMP */
351
352 #ifdef CONFIG_ADB
353         if (strstr(cmd_line, "adb_sync")) {
354                 extern int __adb_probe_sync;
355                 __adb_probe_sync = 1;
356         }
357 #endif /* CONFIG_ADB */
358 }
359
360 char *bootpath;
361 char *bootdevice;
362 void *boot_host;
363 int boot_target;
364 int boot_part;
365 static dev_t boot_dev;
366
367 #ifdef CONFIG_SCSI
368 void __init note_scsi_host(struct device_node *node, void *host)
369 {
370         int l;
371         char *p;
372
373         l = strlen(node->full_name);
374         if (bootpath != NULL && bootdevice != NULL
375             && strncmp(node->full_name, bootdevice, l) == 0
376             && (bootdevice[l] == '/' || bootdevice[l] == 0)) {
377                 boot_host = host;
378                 /*
379                  * There's a bug in OF 1.0.5.  (Why am I not surprised.)
380                  * If you pass a path like scsi/sd@1:0 to canon, it returns
381                  * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0
382                  * That is, the scsi target number doesn't get preserved.
383                  * So we pick the target number out of bootpath and use that.
384                  */
385                 p = strstr(bootpath, "/sd@");
386                 if (p != NULL) {
387                         p += 4;
388                         boot_target = simple_strtoul(p, NULL, 10);
389                         p = strchr(p, ':');
390                         if (p != NULL)
391                                 boot_part = simple_strtoul(p + 1, NULL, 10);
392                 }
393         }
394 }
395 EXPORT_SYMBOL(note_scsi_host);
396 #endif
397
398 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
399 static dev_t __init find_ide_boot(void)
400 {
401         char *p;
402         int n;
403         dev_t __init pmac_find_ide_boot(char *bootdevice, int n);
404
405         if (bootdevice == NULL)
406                 return 0;
407         p = strrchr(bootdevice, '/');
408         if (p == NULL)
409                 return 0;
410         n = p - bootdevice;
411
412         return pmac_find_ide_boot(bootdevice, n);
413 }
414 #endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */
415
416 static void __init find_boot_device(void)
417 {
418 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
419         boot_dev = find_ide_boot();
420 #endif
421 }
422
423 /* TODO: Merge the suspend-to-ram with the common code !!!
424  * currently, this is a stub implementation for suspend-to-disk
425  * only
426  */
427
428 #ifdef CONFIG_SOFTWARE_SUSPEND
429
430 static int pmac_pm_prepare(suspend_state_t state)
431 {
432         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
433
434         return 0;
435 }
436
437 static int pmac_pm_enter(suspend_state_t state)
438 {
439         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
440
441         /* Giveup the lazy FPU & vec so we don't have to back them
442          * up from the low level code
443          */
444         enable_kernel_fp();
445
446 #ifdef CONFIG_ALTIVEC
447         if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
448                 enable_kernel_altivec();
449 #endif /* CONFIG_ALTIVEC */
450
451         return 0;
452 }
453
454 static int pmac_pm_finish(suspend_state_t state)
455 {
456         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
457
458         /* Restore userland MMU context */
459         set_context(current->active_mm->context.id, current->active_mm->pgd);
460
461         return 0;
462 }
463
464 static int pmac_pm_valid(suspend_state_t state)
465 {
466         switch (state) {
467         case PM_SUSPEND_DISK:
468                 return 1;
469         /* can't do any other states via generic mechanism yet */
470         default:
471                 return 0;
472         }
473 }
474
475 static struct pm_ops pmac_pm_ops = {
476         .pm_disk_mode   = PM_DISK_SHUTDOWN,
477         .prepare        = pmac_pm_prepare,
478         .enter          = pmac_pm_enter,
479         .finish         = pmac_pm_finish,
480         .valid          = pmac_pm_valid,
481 };
482
483 #endif /* CONFIG_SOFTWARE_SUSPEND */
484
485 static int initializing = 1;
486
487 static int pmac_late_init(void)
488 {
489         initializing = 0;
490 #ifdef CONFIG_SOFTWARE_SUSPEND
491         pm_set_ops(&pmac_pm_ops);
492 #endif /* CONFIG_SOFTWARE_SUSPEND */
493         return 0;
494 }
495
496 late_initcall(pmac_late_init);
497
498 /* can't be __init - can be called whenever a disk is first accessed */
499 void note_bootable_part(dev_t dev, int part, int goodness)
500 {
501         static int found_boot = 0;
502         char *p;
503
504         if (!initializing)
505                 return;
506         if ((goodness <= current_root_goodness) &&
507             ROOT_DEV != DEFAULT_ROOT_DEVICE)
508                 return;
509         p = strstr(saved_command_line, "root=");
510         if (p != NULL && (p == saved_command_line || p[-1] == ' '))
511                 return;
512
513         if (!found_boot) {
514                 find_boot_device();
515                 found_boot = 1;
516         }
517         if (!boot_dev || dev == boot_dev) {
518                 ROOT_DEV = dev + part;
519                 boot_dev = 0;
520                 current_root_goodness = goodness;
521         }
522 }
523
524 #ifdef CONFIG_ADB_CUDA
525 static void cuda_restart(void)
526 {
527         struct adb_request req;
528
529         cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM);
530         for (;;)
531                 cuda_poll();
532 }
533
534 static void cuda_shutdown(void)
535 {
536         struct adb_request req;
537
538         cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN);
539         for (;;)
540                 cuda_poll();
541 }
542
543 #else
544 #define cuda_restart()
545 #define cuda_shutdown()
546 #endif
547
548 #ifndef CONFIG_ADB_PMU
549 #define pmu_restart()
550 #define pmu_shutdown()
551 #endif
552
553 #ifndef CONFIG_PMAC_SMU
554 #define smu_restart()
555 #define smu_shutdown()
556 #endif
557
558 static void pmac_restart(char *cmd)
559 {
560         switch (sys_ctrler) {
561         case SYS_CTRLER_CUDA:
562                 cuda_restart();
563                 break;
564         case SYS_CTRLER_PMU:
565                 pmu_restart();
566                 break;
567         case SYS_CTRLER_SMU:
568                 smu_restart();
569                 break;
570         default: ;
571         }
572 }
573
574 static void pmac_power_off(void)
575 {
576         switch (sys_ctrler) {
577         case SYS_CTRLER_CUDA:
578                 cuda_shutdown();
579                 break;
580         case SYS_CTRLER_PMU:
581                 pmu_shutdown();
582                 break;
583         case SYS_CTRLER_SMU:
584                 smu_shutdown();
585                 break;
586         default: ;
587         }
588 }
589
590 static void
591 pmac_halt(void)
592 {
593         pmac_power_off();
594 }
595
596 /* 
597  * Early initialization.
598  */
599 static void __init pmac_init_early(void)
600 {
601         /* Enable early btext debug if requested */
602         if (strstr(cmd_line, "btextdbg")) {
603                 udbg_adb_init_early();
604                 register_early_udbg_console();
605         }
606
607         /* Probe motherboard chipset */
608         pmac_feature_init();
609
610         /* Initialize debug stuff */
611         udbg_scc_init(!!strstr(cmd_line, "sccdbg"));
612         udbg_adb_init(!!strstr(cmd_line, "btextdbg"));
613
614 #ifdef CONFIG_PPC64
615         iommu_init_early_dart();
616 #endif
617 }
618
619 /*
620  * pmac has no legacy IO, anything calling this function has to
621  * fail or bad things will happen
622  */
623 static int pmac_check_legacy_ioport(unsigned int baseport)
624 {
625         return -ENODEV;
626 }
627
628 static int __init pmac_declare_of_platform_devices(void)
629 {
630         struct device_node *np;
631
632         if (machine_is(chrp))
633                 return -1;
634
635         if (!machine_is(powermac))
636                 return 0;
637
638         np = of_find_node_by_name(NULL, "valkyrie");
639         if (np)
640                 of_platform_device_create(np, "valkyrie", NULL);
641         np = of_find_node_by_name(NULL, "platinum");
642         if (np)
643                 of_platform_device_create(np, "platinum", NULL);
644         np = of_find_node_by_type(NULL, "smu");
645         if (np) {
646                 of_platform_device_create(np, "smu", NULL);
647                 of_node_put(np);
648         }
649
650         return 0;
651 }
652
653 device_initcall(pmac_declare_of_platform_devices);
654
655 /*
656  * Called very early, MMU is off, device-tree isn't unflattened
657  */
658 static int __init pmac_probe(void)
659 {
660         unsigned long root = of_get_flat_dt_root();
661
662         if (!of_flat_dt_is_compatible(root, "Power Macintosh") &&
663             !of_flat_dt_is_compatible(root, "MacRISC"))
664                 return 0;
665
666 #ifdef CONFIG_PPC64
667         /*
668          * On U3, the DART (iommu) must be allocated now since it
669          * has an impact on htab_initialize (due to the large page it
670          * occupies having to be broken up so the DART itself is not
671          * part of the cacheable linar mapping
672          */
673         alloc_dart_table();
674
675         hpte_init_native();
676 #endif
677
678 #ifdef CONFIG_PPC32
679         /* isa_io_base gets set in pmac_pci_init */
680         ISA_DMA_THRESHOLD = ~0L;
681         DMA_MODE_READ = 1;
682         DMA_MODE_WRITE = 2;
683
684 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
685 #ifdef CONFIG_BLK_DEV_IDE_PMAC
686         ppc_ide_md.ide_init_hwif        = pmac_ide_init_hwif_ports;
687         ppc_ide_md.default_io_base      = pmac_ide_get_base;
688 #endif /* CONFIG_BLK_DEV_IDE_PMAC */
689 #endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
690
691 #endif /* CONFIG_PPC32 */
692
693 #ifdef CONFIG_PMAC_SMU
694         /*
695          * SMU based G5s need some memory below 2Gb, at least the current
696          * driver needs that. We have to allocate it now. We allocate 4k
697          * (1 small page) for now.
698          */
699         smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL);
700 #endif /* CONFIG_PMAC_SMU */
701
702         return 1;
703 }
704
705 #ifdef CONFIG_PPC64
706 /* Move that to pci.c */
707 static int pmac_pci_probe_mode(struct pci_bus *bus)
708 {
709         struct device_node *node = bus->sysdata;
710
711         /* We need to use normal PCI probing for the AGP bus,
712          * since the device for the AGP bridge isn't in the tree.
713          */
714         if (bus->self == NULL && (device_is_compatible(node, "u3-agp") ||
715                                   device_is_compatible(node, "u4-pcie")))
716                 return PCI_PROBE_NORMAL;
717         return PCI_PROBE_DEVTREE;
718 }
719 #endif
720
721 define_machine(powermac) {
722         .name                   = "PowerMac",
723         .probe                  = pmac_probe,
724         .setup_arch             = pmac_setup_arch,
725         .init_early             = pmac_init_early,
726         .show_cpuinfo           = pmac_show_cpuinfo,
727         .init_IRQ               = pmac_pic_init,
728         .get_irq                = NULL, /* changed later */
729         .pci_irq_fixup          = pmac_pci_irq_fixup,
730         .restart                = pmac_restart,
731         .power_off              = pmac_power_off,
732         .halt                   = pmac_halt,
733         .time_init              = pmac_time_init,
734         .get_boot_time          = pmac_get_boot_time,
735         .set_rtc_time           = pmac_set_rtc_time,
736         .get_rtc_time           = pmac_get_rtc_time,
737         .calibrate_decr         = pmac_calibrate_decr,
738         .feature_call           = pmac_do_feature_call,
739         .check_legacy_ioport    = pmac_check_legacy_ioport,
740         .progress               = udbg_progress,
741 #ifdef CONFIG_PPC64
742         .pci_probe_mode         = pmac_pci_probe_mode,
743         .power_save             = power4_idle,
744         .enable_pmcs            = power4_enable_pmcs,
745 #ifdef CONFIG_KEXEC
746         .machine_kexec          = default_machine_kexec,
747         .machine_kexec_prepare  = default_machine_kexec_prepare,
748         .machine_crash_shutdown = default_machine_crash_shutdown,
749 #endif
750 #endif /* CONFIG_PPC64 */
751 #ifdef CONFIG_PPC32
752         .pcibios_enable_device_hook = pmac_pci_enable_device_hook,
753         .pcibios_after_init     = pmac_pcibios_after_init,
754         .phys_mem_access_prot   = pci_phys_mem_access_prot,
755 #endif
756 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
757         .cpu_die                = generic_mach_cpu_die,
758 #endif
759 };