Remove obsolete #include <linux/config.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/mmu_context.h>
74 #include <asm/iommu.h>
75 #include <asm/smu.h>
76 #include <asm/pmc.h>
77 #include <asm/lmb.h>
78 #include <asm/udbg.h>
79
80 #include "pmac.h"
81
82 #undef SHOW_GATWICK_IRQS
83
84 int ppc_override_l2cr = 0;
85 int ppc_override_l2cr_value;
86 int has_l2cache = 0;
87
88 int pmac_newworld;
89
90 static int current_root_goodness = -1;
91
92 extern struct machdep_calls pmac_md;
93
94 #define DEFAULT_ROOT_DEVICE Root_SDA1   /* sda1 - slightly silly choice */
95
96 #ifdef CONFIG_PPC64
97 #include <asm/udbg.h>
98 int sccdbg;
99 #endif
100
101 extern void zs_kgdb_hook(int tty_num);
102
103 sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
104 EXPORT_SYMBOL(sys_ctrler);
105
106 #ifdef CONFIG_PMAC_SMU
107 unsigned long smu_cmdbuf_abs;
108 EXPORT_SYMBOL(smu_cmdbuf_abs);
109 #endif
110
111 #ifdef CONFIG_SMP
112 extern struct smp_ops_t psurge_smp_ops;
113 extern struct smp_ops_t core99_smp_ops;
114 #endif /* CONFIG_SMP */
115
116 static void pmac_show_cpuinfo(struct seq_file *m)
117 {
118         struct device_node *np;
119         char *pp;
120         int plen;
121         int mbmodel;
122         unsigned int mbflags;
123         char* mbname;
124
125         mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
126                                     PMAC_MB_INFO_MODEL, 0);
127         mbflags = pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL,
128                                     PMAC_MB_INFO_FLAGS, 0);
129         if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME,
130                               (long) &mbname) != 0)
131                 mbname = "Unknown";
132
133         /* find motherboard type */
134         seq_printf(m, "machine\t\t: ");
135         np = of_find_node_by_path("/");
136         if (np != NULL) {
137                 pp = (char *) get_property(np, "model", NULL);
138                 if (pp != NULL)
139                         seq_printf(m, "%s\n", pp);
140                 else
141                         seq_printf(m, "PowerMac\n");
142                 pp = (char *) get_property(np, "compatible", &plen);
143                 if (pp != NULL) {
144                         seq_printf(m, "motherboard\t:");
145                         while (plen > 0) {
146                                 int l = strlen(pp) + 1;
147                                 seq_printf(m, " %s", pp);
148                                 plen -= l;
149                                 pp += l;
150                         }
151                         seq_printf(m, "\n");
152                 }
153                 of_node_put(np);
154         } else
155                 seq_printf(m, "PowerMac\n");
156
157         /* print parsed model */
158         seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname);
159         seq_printf(m, "pmac flags\t: %08x\n", mbflags);
160
161         /* find l2 cache info */
162         np = of_find_node_by_name(NULL, "l2-cache");
163         if (np == NULL)
164                 np = of_find_node_by_type(NULL, "cache");
165         if (np != NULL) {
166                 unsigned int *ic = (unsigned int *)
167                         get_property(np, "i-cache-size", NULL);
168                 unsigned int *dc = (unsigned int *)
169                         get_property(np, "d-cache-size", NULL);
170                 seq_printf(m, "L2 cache\t:");
171                 has_l2cache = 1;
172                 if (get_property(np, "cache-unified", NULL) != 0 && dc) {
173                         seq_printf(m, " %dK unified", *dc / 1024);
174                 } else {
175                         if (ic)
176                                 seq_printf(m, " %dK instruction", *ic / 1024);
177                         if (dc)
178                                 seq_printf(m, "%s %dK data",
179                                            (ic? " +": ""), *dc / 1024);
180                 }
181                 pp = get_property(np, "ram-type", NULL);
182                 if (pp)
183                         seq_printf(m, " %s", pp);
184                 seq_printf(m, "\n");
185                 of_node_put(np);
186         }
187
188         /* Indicate newworld/oldworld */
189         seq_printf(m, "pmac-generation\t: %s\n",
190                    pmac_newworld ? "NewWorld" : "OldWorld");
191 }
192
193 #ifndef CONFIG_ADB_CUDA
194 int find_via_cuda(void)
195 {
196         if (!find_devices("via-cuda"))
197                 return 0;
198         printk("WARNING ! Your machine is CUDA-based but your kernel\n");
199         printk("          wasn't compiled with CONFIG_ADB_CUDA option !\n");
200         return 0;
201 }
202 #endif
203
204 #ifndef CONFIG_ADB_PMU
205 int find_via_pmu(void)
206 {
207         if (!find_devices("via-pmu"))
208                 return 0;
209         printk("WARNING ! Your machine is PMU-based but your kernel\n");
210         printk("          wasn't compiled with CONFIG_ADB_PMU option !\n");
211         return 0;
212 }
213 #endif
214
215 #ifndef CONFIG_PMAC_SMU
216 int smu_init(void)
217 {
218         /* should check and warn if SMU is present */
219         return 0;
220 }
221 #endif
222
223 #ifdef CONFIG_PPC32
224 static volatile u32 *sysctrl_regs;
225
226 static void __init ohare_init(void)
227 {
228         /* this area has the CPU identification register
229            and some registers used by smp boards */
230         sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
231
232         /*
233          * Turn on the L2 cache.
234          * We assume that we have a PSX memory controller iff
235          * we have an ohare I/O controller.
236          */
237         if (find_devices("ohare") != NULL) {
238                 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
239                         if (sysctrl_regs[4] & 0x10)
240                                 sysctrl_regs[4] |= 0x04000020;
241                         else
242                                 sysctrl_regs[4] |= 0x04000000;
243                         if(has_l2cache)
244                                 printk(KERN_INFO "Level 2 cache enabled\n");
245                 }
246         }
247 }
248
249 static void __init l2cr_init(void)
250 {
251         /* Checks "l2cr-value" property in the registry */
252         if (cpu_has_feature(CPU_FTR_L2CR)) {
253                 struct device_node *np = find_devices("cpus");
254                 if (np == 0)
255                         np = find_type_devices("cpu");
256                 if (np != 0) {
257                         unsigned int *l2cr = (unsigned int *)
258                                 get_property(np, "l2cr-value", NULL);
259                         if (l2cr != 0) {
260                                 ppc_override_l2cr = 1;
261                                 ppc_override_l2cr_value = *l2cr;
262                                 _set_L2CR(0);
263                                 _set_L2CR(ppc_override_l2cr_value);
264                         }
265                 }
266         }
267
268         if (ppc_override_l2cr)
269                 printk(KERN_INFO "L2CR overridden (0x%x), "
270                        "backside cache is %s\n",
271                        ppc_override_l2cr_value,
272                        (ppc_override_l2cr_value & 0x80000000)
273                                 ? "enabled" : "disabled");
274 }
275 #endif
276
277 static void __init pmac_setup_arch(void)
278 {
279         struct device_node *cpu, *ic;
280         int *fp;
281         unsigned long pvr;
282
283         pvr = PVR_VER(mfspr(SPRN_PVR));
284
285         /* Set loops_per_jiffy to a half-way reasonable value,
286            for use until calibrate_delay gets called. */
287         loops_per_jiffy = 50000000 / HZ;
288         cpu = of_find_node_by_type(NULL, "cpu");
289         if (cpu != NULL) {
290                 fp = (int *) get_property(cpu, "clock-frequency", NULL);
291                 if (fp != NULL) {
292                         if (pvr >= 0x30 && pvr < 0x80)
293                                 /* PPC970 etc. */
294                                 loops_per_jiffy = *fp / (3 * HZ);
295                         else if (pvr == 4 || pvr >= 8)
296                                 /* 604, G3, G4 etc. */
297                                 loops_per_jiffy = *fp / HZ;
298                         else
299                                 /* 601, 603, etc. */
300                                 loops_per_jiffy = *fp / (2 * HZ);
301                 }
302                 of_node_put(cpu);
303         }
304
305         /* See if newworld or oldworld */
306         for (ic = NULL; (ic = of_find_all_nodes(ic)) != NULL; )
307                 if (get_property(ic, "interrupt-controller", NULL))
308                         break;
309         if (ic) {
310                 pmac_newworld = 1;
311                 of_node_put(ic);
312         }
313
314         /* Lookup PCI hosts */
315         pmac_pci_init();
316
317 #ifdef CONFIG_PPC32
318         ohare_init();
319         l2cr_init();
320 #endif /* CONFIG_PPC32 */
321
322 #ifdef CONFIG_KGDB
323         zs_kgdb_hook(0);
324 #endif
325
326         find_via_cuda();
327         find_via_pmu();
328         smu_init();
329
330 #if defined(CONFIG_NVRAM) || defined(CONFIG_PPC64)
331         pmac_nvram_init();
332 #endif
333
334 #ifdef CONFIG_PPC32
335 #ifdef CONFIG_BLK_DEV_INITRD
336         if (initrd_start)
337                 ROOT_DEV = Root_RAM0;
338         else
339 #endif
340                 ROOT_DEV = DEFAULT_ROOT_DEVICE;
341 #endif
342
343 #ifdef CONFIG_SMP
344         /* Check for Core99 */
345         if (find_devices("uni-n") || find_devices("u3") || find_devices("u4"))
346                 smp_ops = &core99_smp_ops;
347 #ifdef CONFIG_PPC32
348         else
349                 smp_ops = &psurge_smp_ops;
350 #endif
351 #endif /* CONFIG_SMP */
352
353 #ifdef CONFIG_ADB
354         if (strstr(cmd_line, "adb_sync")) {
355                 extern int __adb_probe_sync;
356                 __adb_probe_sync = 1;
357         }
358 #endif /* CONFIG_ADB */
359 }
360
361 char *bootpath;
362 char *bootdevice;
363 void *boot_host;
364 int boot_target;
365 int boot_part;
366 extern dev_t boot_dev;
367
368 #ifdef CONFIG_SCSI
369 void __init note_scsi_host(struct device_node *node, void *host)
370 {
371         int l;
372         char *p;
373
374         l = strlen(node->full_name);
375         if (bootpath != NULL && bootdevice != NULL
376             && strncmp(node->full_name, bootdevice, l) == 0
377             && (bootdevice[l] == '/' || bootdevice[l] == 0)) {
378                 boot_host = host;
379                 /*
380                  * There's a bug in OF 1.0.5.  (Why am I not surprised.)
381                  * If you pass a path like scsi/sd@1:0 to canon, it returns
382                  * something like /bandit@F2000000/gc@10/53c94@10000/sd@0,0
383                  * That is, the scsi target number doesn't get preserved.
384                  * So we pick the target number out of bootpath and use that.
385                  */
386                 p = strstr(bootpath, "/sd@");
387                 if (p != NULL) {
388                         p += 4;
389                         boot_target = simple_strtoul(p, NULL, 10);
390                         p = strchr(p, ':');
391                         if (p != NULL)
392                                 boot_part = simple_strtoul(p + 1, NULL, 10);
393                 }
394         }
395 }
396 EXPORT_SYMBOL(note_scsi_host);
397 #endif
398
399 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
400 static dev_t __init find_ide_boot(void)
401 {
402         char *p;
403         int n;
404         dev_t __init pmac_find_ide_boot(char *bootdevice, int n);
405
406         if (bootdevice == NULL)
407                 return 0;
408         p = strrchr(bootdevice, '/');
409         if (p == NULL)
410                 return 0;
411         n = p - bootdevice;
412
413         return pmac_find_ide_boot(bootdevice, n);
414 }
415 #endif /* CONFIG_BLK_DEV_IDE && CONFIG_BLK_DEV_IDE_PMAC */
416
417 static void __init find_boot_device(void)
418 {
419 #if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
420         boot_dev = find_ide_boot();
421 #endif
422 }
423
424 /* TODO: Merge the suspend-to-ram with the common code !!!
425  * currently, this is a stub implementation for suspend-to-disk
426  * only
427  */
428
429 #ifdef CONFIG_SOFTWARE_SUSPEND
430
431 static int pmac_pm_prepare(suspend_state_t state)
432 {
433         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
434
435         return 0;
436 }
437
438 static int pmac_pm_enter(suspend_state_t state)
439 {
440         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
441
442         /* Giveup the lazy FPU & vec so we don't have to back them
443          * up from the low level code
444          */
445         enable_kernel_fp();
446
447 #ifdef CONFIG_ALTIVEC
448         if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
449                 enable_kernel_altivec();
450 #endif /* CONFIG_ALTIVEC */
451
452         return 0;
453 }
454
455 static int pmac_pm_finish(suspend_state_t state)
456 {
457         printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
458
459         /* Restore userland MMU context */
460         set_context(current->active_mm->context.id, current->active_mm->pgd);
461
462         return 0;
463 }
464
465 static int pmac_pm_valid(suspend_state_t state)
466 {
467         switch (state) {
468         case PM_SUSPEND_DISK:
469                 return 1;
470         /* can't do any other states via generic mechanism yet */
471         default:
472                 return 0;
473         }
474 }
475
476 static struct pm_ops pmac_pm_ops = {
477         .pm_disk_mode   = PM_DISK_SHUTDOWN,
478         .prepare        = pmac_pm_prepare,
479         .enter          = pmac_pm_enter,
480         .finish         = pmac_pm_finish,
481         .valid          = pmac_pm_valid,
482 };
483
484 #endif /* CONFIG_SOFTWARE_SUSPEND */
485
486 static int initializing = 1;
487
488 static int pmac_late_init(void)
489 {
490         initializing = 0;
491 #ifdef CONFIG_SOFTWARE_SUSPEND
492         pm_set_ops(&pmac_pm_ops);
493 #endif /* CONFIG_SOFTWARE_SUSPEND */
494         return 0;
495 }
496
497 late_initcall(pmac_late_init);
498
499 /* can't be __init - can be called whenever a disk is first accessed */
500 void note_bootable_part(dev_t dev, int part, int goodness)
501 {
502         static int found_boot = 0;
503         char *p;
504
505         if (!initializing)
506                 return;
507         if ((goodness <= current_root_goodness) &&
508             ROOT_DEV != DEFAULT_ROOT_DEVICE)
509                 return;
510         p = strstr(saved_command_line, "root=");
511         if (p != NULL && (p == saved_command_line || p[-1] == ' '))
512                 return;
513
514         if (!found_boot) {
515                 find_boot_device();
516                 found_boot = 1;
517         }
518         if (!boot_dev || dev == boot_dev) {
519                 ROOT_DEV = dev + part;
520                 boot_dev = 0;
521                 current_root_goodness = goodness;
522         }
523 }
524
525 #ifdef CONFIG_ADB_CUDA
526 static void cuda_restart(void)
527 {
528         struct adb_request req;
529
530         cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_RESET_SYSTEM);
531         for (;;)
532                 cuda_poll();
533 }
534
535 static void cuda_shutdown(void)
536 {
537         struct adb_request req;
538
539         cuda_request(&req, NULL, 2, CUDA_PACKET, CUDA_POWERDOWN);
540         for (;;)
541                 cuda_poll();
542 }
543
544 #else
545 #define cuda_restart()
546 #define cuda_shutdown()
547 #endif
548
549 #ifndef CONFIG_ADB_PMU
550 #define pmu_restart()
551 #define pmu_shutdown()
552 #endif
553
554 #ifndef CONFIG_PMAC_SMU
555 #define smu_restart()
556 #define smu_shutdown()
557 #endif
558
559 static void pmac_restart(char *cmd)
560 {
561         switch (sys_ctrler) {
562         case SYS_CTRLER_CUDA:
563                 cuda_restart();
564                 break;
565         case SYS_CTRLER_PMU:
566                 pmu_restart();
567                 break;
568         case SYS_CTRLER_SMU:
569                 smu_restart();
570                 break;
571         default: ;
572         }
573 }
574
575 static void pmac_power_off(void)
576 {
577         switch (sys_ctrler) {
578         case SYS_CTRLER_CUDA:
579                 cuda_shutdown();
580                 break;
581         case SYS_CTRLER_PMU:
582                 pmu_shutdown();
583                 break;
584         case SYS_CTRLER_SMU:
585                 smu_shutdown();
586                 break;
587         default: ;
588         }
589 }
590
591 static void
592 pmac_halt(void)
593 {
594         pmac_power_off();
595 }
596
597 /* 
598  * Early initialization.
599  */
600 static void __init pmac_init_early(void)
601 {
602         /* Enable early btext debug if requested */
603         if (strstr(cmd_line, "btextdbg")) {
604                 udbg_adb_init_early();
605                 register_early_udbg_console();
606         }
607
608         /* Probe motherboard chipset */
609         pmac_feature_init();
610
611         /* Initialize debug stuff */
612         udbg_scc_init(!!strstr(cmd_line, "sccdbg"));
613         udbg_adb_init(!!strstr(cmd_line, "btextdbg"));
614
615 #ifdef CONFIG_PPC64
616         /* Setup interrupt mapping options */
617         ppc64_interrupt_controller = IC_OPEN_PIC;
618
619         iommu_init_early_dart();
620 #endif
621 }
622
623 /*
624  * pmac has no legacy IO, anything calling this function has to
625  * fail or bad things will happen
626  */
627 static int pmac_check_legacy_ioport(unsigned int baseport)
628 {
629         return -ENODEV;
630 }
631
632 static int __init pmac_declare_of_platform_devices(void)
633 {
634         struct device_node *np;
635
636         if (machine_is(chrp))
637                 return -1;
638
639         if (!machine_is(powermac))
640                 return 0;
641
642         np = of_find_node_by_name(NULL, "valkyrie");
643         if (np)
644                 of_platform_device_create(np, "valkyrie", NULL);
645         np = of_find_node_by_name(NULL, "platinum");
646         if (np)
647                 of_platform_device_create(np, "platinum", NULL);
648         np = of_find_node_by_type(NULL, "smu");
649         if (np) {
650                 of_platform_device_create(np, "smu", NULL);
651                 of_node_put(np);
652         }
653
654         return 0;
655 }
656
657 device_initcall(pmac_declare_of_platform_devices);
658
659 /*
660  * Called very early, MMU is off, device-tree isn't unflattened
661  */
662 static int __init pmac_probe(void)
663 {
664         unsigned long root = of_get_flat_dt_root();
665
666         if (!of_flat_dt_is_compatible(root, "Power Macintosh") &&
667             !of_flat_dt_is_compatible(root, "MacRISC"))
668                 return 0;
669
670 #ifdef CONFIG_PPC64
671         /*
672          * On U3, the DART (iommu) must be allocated now since it
673          * has an impact on htab_initialize (due to the large page it
674          * occupies having to be broken up so the DART itself is not
675          * part of the cacheable linar mapping
676          */
677         alloc_dart_table();
678
679         hpte_init_native();
680 #endif
681
682 #ifdef CONFIG_PPC32
683         /* isa_io_base gets set in pmac_pci_init */
684         isa_mem_base = PMAC_ISA_MEM_BASE;
685         pci_dram_offset = PMAC_PCI_DRAM_OFFSET;
686         ISA_DMA_THRESHOLD = ~0L;
687         DMA_MODE_READ = 1;
688         DMA_MODE_WRITE = 2;
689
690 #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
691 #ifdef CONFIG_BLK_DEV_IDE_PMAC
692         ppc_ide_md.ide_init_hwif        = pmac_ide_init_hwif_ports;
693         ppc_ide_md.default_io_base      = pmac_ide_get_base;
694 #endif /* CONFIG_BLK_DEV_IDE_PMAC */
695 #endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
696
697 #endif /* CONFIG_PPC32 */
698
699 #ifdef CONFIG_PMAC_SMU
700         /*
701          * SMU based G5s need some memory below 2Gb, at least the current
702          * driver needs that. We have to allocate it now. We allocate 4k
703          * (1 small page) for now.
704          */
705         smu_cmdbuf_abs = lmb_alloc_base(4096, 4096, 0x80000000UL);
706 #endif /* CONFIG_PMAC_SMU */
707
708         return 1;
709 }
710
711 #ifdef CONFIG_PPC64
712 /* Move that to pci.c */
713 static int pmac_pci_probe_mode(struct pci_bus *bus)
714 {
715         struct device_node *node = bus->sysdata;
716
717         /* We need to use normal PCI probing for the AGP bus,
718          * since the device for the AGP bridge isn't in the tree.
719          */
720         if (bus->self == NULL && (device_is_compatible(node, "u3-agp") ||
721                                   device_is_compatible(node, "u4-pcie")))
722                 return PCI_PROBE_NORMAL;
723         return PCI_PROBE_DEVTREE;
724 }
725 #endif
726
727 define_machine(powermac) {
728         .name                   = "PowerMac",
729         .probe                  = pmac_probe,
730         .setup_arch             = pmac_setup_arch,
731         .init_early             = pmac_init_early,
732         .show_cpuinfo           = pmac_show_cpuinfo,
733         .init_IRQ               = pmac_pic_init,
734         .get_irq                = NULL, /* changed later */
735         .pcibios_fixup          = pmac_pcibios_fixup,
736         .restart                = pmac_restart,
737         .power_off              = pmac_power_off,
738         .halt                   = pmac_halt,
739         .time_init              = pmac_time_init,
740         .get_boot_time          = pmac_get_boot_time,
741         .set_rtc_time           = pmac_set_rtc_time,
742         .get_rtc_time           = pmac_get_rtc_time,
743         .calibrate_decr         = pmac_calibrate_decr,
744         .feature_call           = pmac_do_feature_call,
745         .check_legacy_ioport    = pmac_check_legacy_ioport,
746         .progress               = udbg_progress,
747 #ifdef CONFIG_PPC64
748         .pci_probe_mode         = pmac_pci_probe_mode,
749         .power_save             = power4_idle,
750         .enable_pmcs            = power4_enable_pmcs,
751 #ifdef CONFIG_KEXEC
752         .machine_kexec          = default_machine_kexec,
753         .machine_kexec_prepare  = default_machine_kexec_prepare,
754         .machine_crash_shutdown = default_machine_crash_shutdown,
755 #endif
756 #endif /* CONFIG_PPC64 */
757 #ifdef CONFIG_PPC32
758         .pcibios_enable_device_hook = pmac_pci_enable_device_hook,
759         .pcibios_after_init     = pmac_pcibios_after_init,
760         .phys_mem_access_prot   = pci_phys_mem_access_prot,
761 #endif
762 #if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
763         .cpu_die                = generic_mach_cpu_die,
764 #endif
765 };