[PATCH] drive_info removal outside of arch/i386
[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/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 int ppc_override_l2cr = 0;
86 int ppc_override_l2cr_value;
87 int has_l2cache = 0;
88
89 int pmac_newworld = 1;
90
91 static int current_root_goodness = -1;
92
93 extern int pmac_newworld;
94 extern struct machdep_calls pmac_md;
95
96 #define DEFAULT_ROOT_DEVICE Root_SDA1   /* sda1 - slightly silly choice */
97
98 #ifdef CONFIG_PPC64
99 #include <asm/udbg.h>
100 int sccdbg;
101 #endif
102
103 extern void zs_kgdb_hook(int tty_num);
104
105 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
106 EXPORT_SYMBOL(sys_ctrler);
107
108 #ifdef CONFIG_PMAC_SMU
109 unsigned long smu_cmdbuf_abs;
110 EXPORT_SYMBOL(smu_cmdbuf_abs);
111 #endif
112
113 #ifdef CONFIG_SMP
114 extern struct smp_ops_t psurge_smp_ops;
115 extern struct smp_ops_t core99_smp_ops;
116 #endif /* CONFIG_SMP */
117
118 static void pmac_show_cpuinfo(struct seq_file *m)
119 {
120         struct device_node *np;
121         char *pp;
122         int plen;
123         int mbmodel;
124         unsigned int mbflags;
125         char* mbname;
126
127         mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
128                                     PMAC_MB_INFO_MODEL, 0);
129         mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
130                                     PMAC_MB_INFO_FLAGS, 0);
131         if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME,
132                               (long) &mbname) != 0)
133                 mbname = "Unknown";
134
135         /* find motherboard type */
136         seq_printf(m, "machine\t\t: ");
137         np = of_find_node_by_path("/");
138         if (np != NULL) {
139                 pp = (char *) get_property(np, "model", NULL);
140                 if (pp != NULL)
141                         seq_printf(m, "%s\n", pp);
142                 else
143                         seq_printf(m, "PowerMac\n");
144                 pp = (char *) get_property(np, "compatible", &plen);
145                 if (pp != NULL) {
146                         seq_printf(m, "motherboard\t:");
147                         while (plen > 0) {
148                                 int l = strlen(pp) + 1;
149                                 seq_printf(m, " %s", pp);
150                                 plen -= l;
151                                 pp += l;
152                         }
153                         seq_printf(m, "\n");
154                 }
155                 of_node_put(np);
156         } else
157                 seq_printf(m, "PowerMac\n");
158
159         /* print parsed model */
160         seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname);
161         seq_printf(m, "pmac flags\t: %08x\n", mbflags);
162
163         /* find l2 cache info */
164         np = of_find_node_by_name(NULL, "l2-cache");
165         if (np == NULL)
166                 np = of_find_node_by_type(NULL, "cache");
167         if (np != NULL) {
168                 unsigned int *ic = (unsigned int *)
169                         get_property(np, "i-cache-size", NULL);
170                 unsigned int *dc = (unsigned int *)
171                         get_property(np, "d-cache-size", NULL);
172                 seq_printf(m, "L2 cache\t:");
173                 has_l2cache = 1;
174                 if (get_property(np, "cache-unified", NULL) != 0 && dc) {
175                         seq_printf(m, " %dK unified", *dc / 1024);
176                 } else {
177                         if (ic)
178                                 seq_printf(m, " %dK instruction", *ic / 1024);
179                         if (dc)
180                                 seq_printf(m, "%s %dK data",
181                                            (ic? " +": ""), *dc / 1024);
182                 }
183                 pp = get_property(np, "ram-type", NULL);
184                 if (pp)
185                         seq_printf(m, " %s", pp);
186                 seq_printf(m, "\n");
187                 of_node_put(np);
188         }
189
190         /* Indicate newworld/oldworld */
191         seq_printf(m, "pmac-generation\t: %s\n",
192                    pmac_newworld ? "NewWorld" : "OldWorld");
193 }
194
195 #ifndef CONFIG_ADB_CUDA
196 int find_via_cuda(void)
197 {
198         if (!find_devices("via-cuda"))
199                 return 0;
200         printk("WARNING ! Your machine is CUDA-based but your kernel\n");
201         printk("          wasn't compiled with CONFIG_ADB_CUDA option !\n");
202         return 0;
203 }
204 #endif
205
206 #ifndef CONFIG_ADB_PMU
207 int find_via_pmu(void)
208 {
209         if (!find_devices("via-pmu"))
210                 return 0;
211         printk("WARNING ! Your machine is PMU-based but your kernel\n");
212         printk("          wasn't compiled with CONFIG_ADB_PMU option !\n");
213         return 0;
214 }
215 #endif
216
217 #ifndef CONFIG_PMAC_SMU
218 int smu_init(void)
219 {
220         /* should check and warn if SMU is present */
221         return 0;
222 }
223 #endif
224
225 #ifdef CONFIG_PPC32
226 static volatile u32 *sysctrl_regs;
227
228 static void __init ohare_init(void)
229 {
230         /* this area has the CPU identification register
231            and some registers used by smp boards */
232         sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
233
234         /*
235          * Turn on the L2 cache.
236          * We assume that we have a PSX memory controller iff
237          * we have an ohare I/O controller.
238          */
239         if (find_devices("ohare") != NULL) {
240                 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
241                         if (sysctrl_regs[4] & 0x10)
242                                 sysctrl_regs[4] |= 0x04000020;
243                         else
244                                 sysctrl_regs[4] |= 0x04000000;
245                         if(has_l2cache)
246                                 printk(KERN_INFO "Level 2 cache enabled\n");
247                 }
248         }
249 }
250
251 static void __init l2cr_init(void)
252 {
253         /* Checks "l2cr-value" property in the registry */
254         if (cpu_has_feature(CPU_FTR_L2CR)) {
255                 struct device_node *np = find_devices("cpus");
256                 if (np == 0)
257                         np = find_type_devices("cpu");
258                 if (np != 0) {
259                         unsigned int *l2cr = (unsigned int *)
260                                 get_property(np, "l2cr-value", NULL);
261                         if (l2cr != 0) {
262                                 ppc_override_l2cr = 1;
263                                 ppc_override_l2cr_value = *l2cr;
264                                 _set_L2CR(0);
265                                 _set_L2CR(ppc_override_l2cr_value);
266                         }
267                 }
268         }
269
270         if (ppc_override_l2cr)
271                 printk(KERN_INFO "L2CR overridden (0x%x), "
272                        "backside cache is %s\n",
273                        ppc_override_l2cr_value,
274                        (ppc_override_l2cr_value & 0x80000000)
275                                 ? "enabled" : "disabled");
276 }
277 #endif
278
279 static void __init pmac_setup_arch(void)
280 {
281         struct device_node *cpu, *ic;
282         int *fp;
283         unsigned long pvr;
284
285         pvr = PVR_VER(mfspr(SPRN_PVR));
286
287         /* Set loops_per_jiffy to a half-way reasonable value,
288            for use until calibrate_delay gets called. */
289         loops_per_jiffy = 50000000 / HZ;
290         cpu = of_find_node_by_type(NULL, "cpu");
291         if (cpu != NULL) {
292                 fp = (int *) get_property(cpu, "clock-frequency", NULL);
293                 if (fp != NULL) {
294                         if (pvr >= 0x30 && pvr < 0x80)
295                                 /* PPC970 etc. */
296                                 loops_per_jiffy = *fp / (3 * HZ);
297                         else if (pvr == 4 || pvr >= 8)
298                                 /* 604, G3, G4 etc. */
299                                 loops_per_jiffy = *fp / HZ;
300                         else
301                                 /* 601, 603, etc. */
302                                 loops_per_jiffy = *fp / (2 * HZ);
303                 }
304                 of_node_put(cpu);
305         }
306
307         /* See if newworld or oldworld */
308         for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; )
309                 if (get_property(ic, "interrupt-controller", NULL))
310                         break;
311         pmac_newworld = (ic != NULL);
312         if (ic)
313                 of_node_put(ic);
314
315         /* Lookup PCI hosts */
316         pmac_pci_init();
317
318 #ifdef CONFIG_PPC32
319         ohare_init();
320         l2cr_init();
321 #endif /* CONFIG_PPC32 */
322
323 #ifdef CONFIG_KGDB
324         zs_kgdb_hook(0);
325 #endif
326
327         find_via_cuda();
328         find_via_pmu();
329         smu_init();
330
331 #if defined(CONFIG_NVRAM) || defined(CONFIG_PPC64)
332         pmac_nvram_init();
333 #endif
334
335 #ifdef CONFIG_PPC32
336 #ifdef CONFIG_BLK_DEV_INITRD
337         if (initrd_start)
338                 ROOT_DEV = Root_RAM0;
339         else
340 #endif
341                 ROOT_DEV = DEFAULT_ROOT_DEVICE;
342 #endif
343
344 #ifdef CONFIG_SMP
345         /* Check for Core99 */
346         if (find_devices("uni-n") || find_devices("u3") || find_devices("u4"))
347                 smp_ops = &core99_smp_ops;
348 #ifdef CONFIG_PPC32
349         else
350                 smp_ops = &psurge_smp_ops;
351 #endif
352 #endif /* CONFIG_SMP */
353 }
354
355 char *bootpath;
356 char *bootdevice;
357 void *boot_host;
358 int boot_target;
359 int boot_part;
360 extern dev_t boot_dev;
361
362 #ifdef CONFIG_SCSI
363 void __init note_scsi_host(struct device_node *node, void *host)
364 {
365         int l;
366         char *p;
367
368         l = strlen(node->full_name);
369         if (bootpath != NULL && bootdevice != NULL
370             && strncmp(node->full_name, bootdevice, l) == 0
371             && (bootdevice[l] == '/' || bootdevice[l] == 0)) {
372                 boot_host = host;
373                 /*
374                  * There's a bug in OF 1.0.5.  (Why am I not surprised.)
375                  * If you pass a path like scsi/sd@1:0 to canon, it returns
376                  * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0
377                  * That is, the scsi target number doesn't get preserved.
378                  * So we pick the target number out of bootpath and use that.
379                  */
380                 p = strstr(bootpath, "/sd@");
381                 if (p != NULL) {
382                         p += 4;
383                         boot_target = simple_strtoul(p, NULL, 10);
384                         p = strchr(p, ':');
385                         if (p != NULL)
386                                 boot_part = simple_strtoul(p + 1, NULL, 10);
387                 }
388         }
389 }
390 EXPORT_SYMBOL(note_scsi_host);
391 #endif
392
393 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
394 static dev_t __init find_ide_boot(void)
395 {
396         char *p;
397         int n;
398         dev_t __init pmac_find_ide_boot(char *bootdevice, int n);
399
400         if (bootdevice == NULL)
401                 return 0;
402         p = strrchr(bootdevice, '/');
403         if (p == NULL)
404                 return 0;
405         n = p - bootdevice;
406
407         return pmac_find_ide_boot(bootdevice, n);
408 }
409 #endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */
410
411 static void __init find_boot_device(void)
412 {
413 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
414         boot_dev = find_ide_boot();
415 #endif
416 }
417
418 /* TODO: Merge the suspend-to-ram with the common code !!!
419  * currently, this is a stub implementation for suspend-to-disk
420  * only
421  */
422
423 #ifdef CONFIG_SOFTWARE_SUSPEND
424
425 static int pmac_pm_prepare(suspend_state_t state)
426 {
427         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
428
429         return 0;
430 }
431
432 static int pmac_pm_enter(suspend_state_t state)
433 {
434         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
435
436         /* Giveup the lazy FPU & vec so we don't have to back them
437          * up from the low level code
438          */
439         enable_kernel_fp();
440
441 #ifdef CONFIG_ALTIVEC
442         if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
443                 enable_kernel_altivec();
444 #endif /* CONFIG_ALTIVEC */
445
446         return 0;
447 }
448
449 static int pmac_pm_finish(suspend_state_t state)
450 {
451         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
452
453         /* Restore userland MMU context */
454         set_context(current->active_mm->context, current->active_mm->pgd);
455
456         return 0;
457 }
458
459 static struct pm_ops pmac_pm_ops = {
460         .pm_disk_mode   = PM_DISK_SHUTDOWN,
461         .prepare        = pmac_pm_prepare,
462         .enter          = pmac_pm_enter,
463         .finish         = pmac_pm_finish,
464 };
465
466 #endif /* CONFIG_SOFTWARE_SUSPEND */
467
468 static int initializing = 1;
469
470 static int pmac_late_init(void)
471 {
472         initializing = 0;
473 #ifdef CONFIG_SOFTWARE_SUSPEND
474         pm_set_ops(&pmac_pm_ops);
475 #endif /* CONFIG_SOFTWARE_SUSPEND */
476         return 0;
477 }
478
479 late_initcall(pmac_late_init);
480
481 /* can't be __init - can be called whenever a disk is first accessed */
482 void note_bootable_part(dev_t dev, int part, int goodness)
483 {
484         static int found_boot = 0;
485         char *p;
486
487         if (!initializing)
488                 return;
489         if ((goodness <= current_root_goodness) &&
490             ROOT_DEV != DEFAULT_ROOT_DEVICE)
491                 return;
492         p = strstr(saved_command_line, "root=");
493         if (p != NULL && (p == saved_command_line || p[-1] == ' '))
494                 return;
495
496         if (!found_boot) {
497                 find_boot_device();
498                 found_boot = 1;
499         }
500         if (!boot_dev || dev == boot_dev) {
501                 ROOT_DEV = dev + part;
502                 boot_dev = 0;
503                 current_root_goodness = goodness;
504         }
505 }
506
507 #ifdef CONFIG_ADB_CUDA
508 static void cuda_restart(void)
509 {
510         struct adb_request req;
511
512         cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM);
513         for (;;)
514                 cuda_poll();
515 }
516
517 static void cuda_shutdown(void)
518 {
519         struct adb_request req;
520
521         cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN);
522         for (;;)
523                 cuda_poll();
524 }
525
526 #else
527 #define cuda_restart()
528 #define cuda_shutdown()
529 #endif
530
531 #ifndef CONFIG_ADB_PMU
532 #define pmu_restart()
533 #define pmu_shutdown()
534 #endif
535
536 #ifndef CONFIG_PMAC_SMU
537 #define smu_restart()
538 #define smu_shutdown()
539 #endif
540
541 static void pmac_restart(char *cmd)
542 {
543         switch (sys_ctrler) {
544         case SYS_CTRLER_CUDA:
545                 cuda_restart();
546                 break;
547         case SYS_CTRLER_PMU:
548                 pmu_restart();
549                 break;
550         case SYS_CTRLER_SMU:
551                 smu_restart();
552                 break;
553         default: ;
554         }
555 }
556
557 static void pmac_power_off(void)
558 {
559         switch (sys_ctrler) {
560         case SYS_CTRLER_CUDA:
561                 cuda_shutdown();
562                 break;
563         case SYS_CTRLER_PMU:
564                 pmu_shutdown();
565                 break;
566         case SYS_CTRLER_SMU:
567                 smu_shutdown();
568                 break;
569         default: ;
570         }
571 }
572
573 static void
574 pmac_halt(void)
575 {
576         pmac_power_off();
577 }
578
579 #ifdef CONFIG_PPC32
580 void __init pmac_init(void)
581 {
582         /* isa_io_base gets set in pmac_pci_init */
583         isa_mem_base = PMAC_ISA_MEM_BASE;
584         pci_dram_offset = PMAC_PCI_DRAM_OFFSET;
585         ISA_DMA_THRESHOLD = ~0L;
586         DMA_MODE_READ = 1;
587         DMA_MODE_WRITE = 2;
588
589         ppc_md = pmac_md;
590
591 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
592 #ifdef CONFIG_BLK_DEV_IDE_PMAC
593         ppc_ide_md.ide_init_hwif        = pmac_ide_init_hwif_ports;
594         ppc_ide_md.default_io_base      = pmac_ide_get_base;
595 #endif /* CONFIG_BLK_DEV_IDE_PMAC */
596 #endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
597
598         if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0);
599
600 }
601 #endif
602
603 /* 
604  * Early initialization.
605  */
606 static void __init pmac_init_early(void)
607 {
608 #ifdef CONFIG_PPC64
609         /* Initialize hash table, from now on, we can take hash faults
610          * and call ioremap
611          */
612         hpte_init_native();
613 #endif
614
615         /* Enable early btext debug if requested */
616         if (strstr(cmd_line, "btextdbg")) {
617                 udbg_adb_init_early();
618                 register_early_udbg_console();
619         }
620
621         /* Probe motherboard chipset */
622         pmac_feature_init();
623
624         /* We can NAP */
625         powersave_nap = 1;
626         printk(KERN_INFO "Using native/NAP idle loop\n");
627
628         /* Initialize debug stuff */
629         udbg_scc_init(!!strstr(cmd_line, "sccdbg"));
630         udbg_adb_init(!!strstr(cmd_line, "btextdbg"));
631
632 #ifdef CONFIG_PPC64
633         /* Setup interrupt mapping options */
634         ppc64_interrupt_controller = IC_OPEN_PIC;
635
636         iommu_init_early_dart();
637 #endif
638 }
639
640 /*
641  * pmac has no legacy IO, anything calling this function has to
642  * fail or bad things will happen
643  */
644 static int pmac_check_legacy_ioport(unsigned int baseport)
645 {
646         return -ENODEV;
647 }
648
649 static int __init pmac_declare_of_platform_devices(void)
650 {
651         struct device_node *np;
652
653         np = of_find_node_by_name(NULL, "valkyrie");
654         if (np)
655                 of_platform_device_create(np, "valkyrie", NULL);
656         np = of_find_node_by_name(NULL, "platinum");
657         if (np)
658                 of_platform_device_create(np, "platinum", NULL);
659         np = of_find_node_by_type(NULL, "smu");
660         if (np) {
661                 of_platform_device_create(np, "smu", NULL);
662                 of_node_put(np);
663         }
664
665         return 0;
666 }
667
668 device_initcall(pmac_declare_of_platform_devices);
669
670 /*
671  * Called very early, MMU is off, device-tree isn't unflattened
672  */
673 static int __init pmac_probe(int platform)
674 {
675 #ifdef CONFIG_PPC64
676         if (platform != PLATFORM_POWERMAC)
677                 return 0;
678
679         /*
680          * On U3, the DART (iommu) must be allocated now since it
681          * has an impact on htab_initialize (due to the large page it
682          * occupies having to be broken up so the DART itself is not
683          * part of the cacheable linar mapping
684          */
685         alloc_dart_table();
686 #endif
687
688 #ifdef CONFIG_PMAC_SMU
689         /*
690          * SMU based G5s need some memory below 2Gb, at least the current
691          * driver needs that. We have to allocate it now. We allocate 4k
692          * (1 small page) for now.
693          */
694         smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL);
695 #endif /* CONFIG_PMAC_SMU */
696
697         return 1;
698 }
699
700 #ifdef CONFIG_PPC64
701 /* Move that to pci.c */
702 static int pmac_pci_probe_mode(struct pci_bus *bus)
703 {
704         struct device_node *node = bus->sysdata;
705
706         /* We need to use normal PCI probing for the AGP bus,
707          * since the device for the AGP bridge isn't in the tree.
708          */
709         if (bus->self == NULL && (device_is_compatible(node, "u3-agp") ||
710                                   device_is_compatible(node, "u4-pcie")))
711                 return PCI_PROBE_NORMAL;
712         return PCI_PROBE_DEVTREE;
713 }
714 #endif
715
716 struct machdep_calls __initdata pmac_md = {
717 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
718         .cpu_die                = generic_mach_cpu_die,
719 #endif
720         .probe                  = pmac_probe,
721         .setup_arch             = pmac_setup_arch,
722         .init_early             = pmac_init_early,
723         .show_cpuinfo           = pmac_show_cpuinfo,
724         .init_IRQ               = pmac_pic_init,
725         .get_irq                = NULL, /* changed later */
726         .pcibios_fixup          = pmac_pcibios_fixup,
727         .restart                = pmac_restart,
728         .power_off              = pmac_power_off,
729         .halt                   = pmac_halt,
730         .time_init              = pmac_time_init,
731         .get_boot_time          = pmac_get_boot_time,
732         .set_rtc_time           = pmac_set_rtc_time,
733         .get_rtc_time           = pmac_get_rtc_time,
734         .calibrate_decr         = pmac_calibrate_decr,
735         .feature_call           = pmac_do_feature_call,
736         .check_legacy_ioport    = pmac_check_legacy_ioport,
737         .progress               = udbg_progress,
738 #ifdef CONFIG_PPC64
739         .pci_probe_mode         = pmac_pci_probe_mode,
740         .idle_loop              = native_idle,
741         .enable_pmcs            = power4_enable_pmcs,
742 #ifdef CONFIG_KEXEC
743         .machine_kexec          = default_machine_kexec,
744         .machine_kexec_prepare  = default_machine_kexec_prepare,
745         .machine_crash_shutdown = default_machine_crash_shutdown,
746 #endif
747 #endif /* CONFIG_PPC64 */
748 #ifdef CONFIG_PPC32
749         .pcibios_enable_device_hook = pmac_pci_enable_device_hook,
750         .pcibios_after_init     = pmac_pcibios_after_init,
751         .phys_mem_access_prot   = pci_phys_mem_access_prot,
752 #endif
753 };