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-rw-r--r--arch/ppc/platforms/pmac_setup.c745
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diff --git a/arch/ppc/platforms/pmac_setup.c b/arch/ppc/platforms/pmac_setup.c
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1/*
2 * arch/ppc/platforms/setup.c
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@cs.anu.edu.au)
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/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/pci-bridge.h>
63#include <asm/ohare.h>
64#include <asm/mediabay.h>
65#include <asm/machdep.h>
66#include <asm/dma.h>
67#include <asm/bootx.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
75#include "pmac_pic.h"
76#include "mem_pieces.h"
77
78#undef SHOW_GATWICK_IRQS
79
80extern long pmac_time_init(void);
81extern unsigned long pmac_get_rtc_time(void);
82extern int pmac_set_rtc_time(unsigned long nowtime);
83extern void pmac_read_rtc_time(void);
84extern void pmac_calibrate_decr(void);
85extern void pmac_pcibios_fixup(void);
86extern void pmac_find_bridges(void);
87extern unsigned long pmac_ide_get_base(int index);
88extern void pmac_ide_init_hwif_ports(hw_regs_t *hw,
89 unsigned long data_port, unsigned long ctrl_port, int *irq);
90
91extern void pmac_nvram_update(void);
92extern unsigned char pmac_nvram_read_byte(int addr);
93extern void pmac_nvram_write_byte(int addr, unsigned char val);
94extern int pmac_pci_enable_device_hook(struct pci_dev *dev, int initial);
95extern void pmac_pcibios_after_init(void);
96extern int of_show_percpuinfo(struct seq_file *m, int i);
97
98struct device_node *memory_node;
99
100unsigned char drive_info;
101
102int ppc_override_l2cr = 0;
103int ppc_override_l2cr_value;
104int has_l2cache = 0;
105
106static int current_root_goodness = -1;
107
108extern int pmac_newworld;
109
110#define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */
111
112extern void zs_kgdb_hook(int tty_num);
113static void ohare_init(void);
114#ifdef CONFIG_BOOTX_TEXT
115static void pmac_progress(char *s, unsigned short hex);
116#endif
117
118sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
119
120#ifdef CONFIG_SMP
121extern struct smp_ops_t psurge_smp_ops;
122extern struct smp_ops_t core99_smp_ops;
123#endif /* CONFIG_SMP */
124
125static int
126pmac_show_cpuinfo(struct seq_file *m)
127{
128 struct device_node *np;
129 char *pp;
130 int plen;
131 int mbmodel = pmac_call_feature(PMAC_FTR_GET_MB_INFO,
132 NULL, PMAC_MB_INFO_MODEL, 0);
133 unsigned int mbflags = (unsigned int)pmac_call_feature(PMAC_FTR_GET_MB_INFO,
134 NULL, PMAC_MB_INFO_FLAGS, 0);
135 char* mbname;
136
137 if (pmac_call_feature(PMAC_FTR_GET_MB_INFO, NULL, PMAC_MB_INFO_NAME, (int)&mbname) != 0)
138 mbname = "Unknown";
139
140 /* find motherboard type */
141 seq_printf(m, "machine\t\t: ");
142 np = find_devices("device-tree");
143 if (np != NULL) {
144 pp = (char *) get_property(np, "model", NULL);
145 if (pp != NULL)
146 seq_printf(m, "%s\n", pp);
147 else
148 seq_printf(m, "PowerMac\n");
149 pp = (char *) get_property(np, "compatible", &plen);
150 if (pp != NULL) {
151 seq_printf(m, "motherboard\t:");
152 while (plen > 0) {
153 int l = strlen(pp) + 1;
154 seq_printf(m, " %s", pp);
155 plen -= l;
156 pp += l;
157 }
158 seq_printf(m, "\n");
159 }
160 } else
161 seq_printf(m, "PowerMac\n");
162
163 /* print parsed model */
164 seq_printf(m, "detected as\t: %d (%s)\n", mbmodel, mbname);
165 seq_printf(m, "pmac flags\t: %08x\n", mbflags);
166
167 /* find l2 cache info */
168 np = find_devices("l2-cache");
169 if (np == 0)
170 np = find_type_devices("cache");
171 if (np != 0) {
172 unsigned int *ic = (unsigned int *)
173 get_property(np, "i-cache-size", NULL);
174 unsigned int *dc = (unsigned int *)
175 get_property(np, "d-cache-size", NULL);
176 seq_printf(m, "L2 cache\t:");
177 has_l2cache = 1;
178 if (get_property(np, "cache-unified", NULL) != 0 && dc) {
179 seq_printf(m, " %dK unified", *dc / 1024);
180 } else {
181 if (ic)
182 seq_printf(m, " %dK instruction", *ic / 1024);
183 if (dc)
184 seq_printf(m, "%s %dK data",
185 (ic? " +": ""), *dc / 1024);
186 }
187 pp = get_property(np, "ram-type", NULL);
188 if (pp)
189 seq_printf(m, " %s", pp);
190 seq_printf(m, "\n");
191 }
192
193 /* find ram info */
194 np = find_devices("memory");
195 if (np != 0) {
196 int n;
197 struct reg_property *reg = (struct reg_property *)
198 get_property(np, "reg", &n);
199
200 if (reg != 0) {
201 unsigned long total = 0;
202
203 for (n /= sizeof(struct reg_property); n > 0; --n)
204 total += (reg++)->size;
205 seq_printf(m, "memory\t\t: %luMB\n", total >> 20);
206 }
207 }
208
209 /* Checks "l2cr-value" property in the registry */
210 np = find_devices("cpus");
211 if (np == 0)
212 np = find_type_devices("cpu");
213 if (np != 0) {
214 unsigned int *l2cr = (unsigned int *)
215 get_property(np, "l2cr-value", NULL);
216 if (l2cr != 0) {
217 seq_printf(m, "l2cr override\t: 0x%x\n", *l2cr);
218 }
219 }
220
221 /* Indicate newworld/oldworld */
222 seq_printf(m, "pmac-generation\t: %s\n",
223 pmac_newworld ? "NewWorld" : "OldWorld");
224
225
226 return 0;
227}
228
229static int
230pmac_show_percpuinfo(struct seq_file *m, int i)
231{
232#ifdef CONFIG_CPU_FREQ_PMAC
233 extern unsigned int pmac_get_one_cpufreq(int i);
234 unsigned int freq = pmac_get_one_cpufreq(i);
235 if (freq != 0) {
236 seq_printf(m, "clock\t\t: %dMHz\n", freq/1000);
237 return 0;
238 }
239#endif /* CONFIG_CPU_FREQ_PMAC */
240 return of_show_percpuinfo(m, i);
241}
242
243static volatile u32 *sysctrl_regs;
244
245void __init
246pmac_setup_arch(void)
247{
248 struct device_node *cpu;
249 int *fp;
250 unsigned long pvr;
251
252 pvr = PVR_VER(mfspr(SPRN_PVR));
253
254 /* Set loops_per_jiffy to a half-way reasonable value,
255 for use until calibrate_delay gets called. */
256 cpu = find_type_devices("cpu");
257 if (cpu != 0) {
258 fp = (int *) get_property(cpu, "clock-frequency", NULL);
259 if (fp != 0) {
260 if (pvr == 4 || pvr >= 8)
261 /* 604, G3, G4 etc. */
262 loops_per_jiffy = *fp / HZ;
263 else
264 /* 601, 603, etc. */
265 loops_per_jiffy = *fp / (2*HZ);
266 } else
267 loops_per_jiffy = 50000000 / HZ;
268 }
269
270 /* this area has the CPU identification register
271 and some registers used by smp boards */
272 sysctrl_regs = (volatile u32 *) ioremap(0xf8000000, 0x1000);
273 ohare_init();
274
275 /* Lookup PCI hosts */
276 pmac_find_bridges();
277
278 /* Checks "l2cr-value" property in the registry */
279 if (cpu_has_feature(CPU_FTR_L2CR)) {
280 struct device_node *np = find_devices("cpus");
281 if (np == 0)
282 np = find_type_devices("cpu");
283 if (np != 0) {
284 unsigned int *l2cr = (unsigned int *)
285 get_property(np, "l2cr-value", NULL);
286 if (l2cr != 0) {
287 ppc_override_l2cr = 1;
288 ppc_override_l2cr_value = *l2cr;
289 _set_L2CR(0);
290 _set_L2CR(ppc_override_l2cr_value);
291 }
292 }
293 }
294
295 if (ppc_override_l2cr)
296 printk(KERN_INFO "L2CR overriden (0x%x), backside cache is %s\n",
297 ppc_override_l2cr_value, (ppc_override_l2cr_value & 0x80000000)
298 ? "enabled" : "disabled");
299
300#ifdef CONFIG_KGDB
301 zs_kgdb_hook(0);
302#endif
303
304#ifdef CONFIG_ADB_CUDA
305 find_via_cuda();
306#else
307 if (find_devices("via-cuda")) {
308 printk("WARNING ! Your machine is Cuda based but your kernel\n");
309 printk(" wasn't compiled with CONFIG_ADB_CUDA option !\n");
310 }
311#endif
312#ifdef CONFIG_ADB_PMU
313 find_via_pmu();
314#else
315 if (find_devices("via-pmu")) {
316 printk("WARNING ! Your machine is PMU based but your kernel\n");
317 printk(" wasn't compiled with CONFIG_ADB_PMU option !\n");
318 }
319#endif
320#ifdef CONFIG_NVRAM
321 pmac_nvram_init();
322#endif
323#ifdef CONFIG_BLK_DEV_INITRD
324 if (initrd_start)
325 ROOT_DEV = Root_RAM0;
326 else
327#endif
328 ROOT_DEV = DEFAULT_ROOT_DEVICE;
329
330#ifdef CONFIG_SMP
331 /* Check for Core99 */
332 if (find_devices("uni-n") || find_devices("u3"))
333 smp_ops = &core99_smp_ops;
334 else
335 smp_ops = &psurge_smp_ops;
336#endif /* CONFIG_SMP */
337
338 pci_create_OF_bus_map();
339}
340
341static void __init ohare_init(void)
342{
343 /*
344 * Turn on the L2 cache.
345 * We assume that we have a PSX memory controller iff
346 * we have an ohare I/O controller.
347 */
348 if (find_devices("ohare") != NULL) {
349 if (((sysctrl_regs[2] >> 24) & 0xf) >= 3) {
350 if (sysctrl_regs[4] & 0x10)
351 sysctrl_regs[4] |= 0x04000020;
352 else
353 sysctrl_regs[4] |= 0x04000000;
354 if(has_l2cache)
355 printk(KERN_INFO "Level 2 cache enabled\n");
356 }
357 }
358}
359
360extern char *bootpath;
361extern char *bootdevice;
362void *boot_host;
363int boot_target;
364int boot_part;
365extern dev_t boot_dev;
366
367#ifdef CONFIG_SCSI
368void __init
369note_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#endif
397
398#if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
399static dev_t __init
400find_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
417static void __init
418find_boot_device(void)
419{
420#if defined(CONFIG_BLK_DEV_IDE) && defined(CONFIG_BLK_DEV_IDE_PMAC)
421 boot_dev = find_ide_boot();
422#endif
423}
424
425static int initializing = 1;
426/* TODO: Merge the suspend-to-ram with the common code !!!
427 * currently, this is a stub implementation for suspend-to-disk
428 * only
429 */
430
431#ifdef CONFIG_SOFTWARE_SUSPEND
432
433static int pmac_pm_prepare(suspend_state_t state)
434{
435 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
436
437 return 0;
438}
439
440static int pmac_pm_enter(suspend_state_t state)
441{
442 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
443
444 /* Giveup the lazy FPU & vec so we don't have to back them
445 * up from the low level code
446 */
447 enable_kernel_fp();
448
449#ifdef CONFIG_ALTIVEC
450 if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
451 enable_kernel_altivec();
452#endif /* CONFIG_ALTIVEC */
453
454 return 0;
455}
456
457static int pmac_pm_finish(suspend_state_t state)
458{
459 printk(KERN_DEBUG "%s(%d)\n", __FUNCTION__, state);
460
461 /* Restore userland MMU context */
462 set_context(current->active_mm->context, current->active_mm->pgd);
463
464 return 0;
465}
466
467static struct pm_ops pmac_pm_ops = {
468 .pm_disk_mode = PM_DISK_SHUTDOWN,
469 .prepare = pmac_pm_prepare,
470 .enter = pmac_pm_enter,
471 .finish = pmac_pm_finish,
472};
473
474#endif /* CONFIG_SOFTWARE_SUSPEND */
475
476static int pmac_late_init(void)
477{
478 initializing = 0;
479#ifdef CONFIG_SOFTWARE_SUSPEND
480 pm_set_ops(&pmac_pm_ops);
481#endif /* CONFIG_SOFTWARE_SUSPEND */
482 return 0;
483}
484
485late_initcall(pmac_late_init);
486
487/* can't be __init - can be called whenever a disk is first accessed */
488void
489note_bootable_part(dev_t dev, int part, int goodness)
490{
491 static int found_boot = 0;
492 char *p;
493
494 if (!initializing)
495 return;
496 if ((goodness <= current_root_goodness) &&
497 ROOT_DEV != DEFAULT_ROOT_DEVICE)
498 return;
499 p = strstr(saved_command_line, "root=");
500 if (p != NULL && (p == saved_command_line || p[-1] == ' '))
501 return;
502
503 if (!found_boot) {
504 find_boot_device();
505 found_boot = 1;
506 }
507 if (!boot_dev || dev == boot_dev) {
508 ROOT_DEV = dev + part;
509 boot_dev = 0;
510 current_root_goodness = goodness;
511 }
512}
513
514static void
515pmac_restart(char *cmd)
516{
517#ifdef CONFIG_ADB_CUDA
518 struct adb_request req;
519#endif /* CONFIG_ADB_CUDA */
520
521 switch (sys_ctrler) {
522#ifdef CONFIG_ADB_CUDA
523 case SYS_CTRLER_CUDA:
524 cuda_request(&req, NULL, 2, CUDA_PACKET,
525 CUDA_RESET_SYSTEM);
526 for (;;)
527 cuda_poll();
528 break;
529#endif /* CONFIG_ADB_CUDA */
530#ifdef CONFIG_ADB_PMU
531 case SYS_CTRLER_PMU:
532 pmu_restart();
533 break;
534#endif /* CONFIG_ADB_PMU */
535 default: ;
536 }
537}
538
539static void
540pmac_power_off(void)
541{
542#ifdef CONFIG_ADB_CUDA
543 struct adb_request req;
544#endif /* CONFIG_ADB_CUDA */
545
546 switch (sys_ctrler) {
547#ifdef CONFIG_ADB_CUDA
548 case SYS_CTRLER_CUDA:
549 cuda_request(&req, NULL, 2, CUDA_PACKET,
550 CUDA_POWERDOWN);
551 for (;;)
552 cuda_poll();
553 break;
554#endif /* CONFIG_ADB_CUDA */
555#ifdef CONFIG_ADB_PMU
556 case SYS_CTRLER_PMU:
557 pmu_shutdown();
558 break;
559#endif /* CONFIG_ADB_PMU */
560 default: ;
561 }
562}
563
564static void
565pmac_halt(void)
566{
567 pmac_power_off();
568}
569
570/*
571 * Read in a property describing some pieces of memory.
572 */
573
574static int __init
575get_mem_prop(char *name, struct mem_pieces *mp)
576{
577 struct reg_property *rp;
578 int i, s;
579 unsigned int *ip;
580 int nac = prom_n_addr_cells(memory_node);
581 int nsc = prom_n_size_cells(memory_node);
582
583 ip = (unsigned int *) get_property(memory_node, name, &s);
584 if (ip == NULL) {
585 printk(KERN_ERR "error: couldn't get %s property on /memory\n",
586 name);
587 return 0;
588 }
589 s /= (nsc + nac) * 4;
590 rp = mp->regions;
591 for (i = 0; i < s; ++i, ip += nac+nsc) {
592 if (nac >= 2 && ip[nac-2] != 0)
593 continue;
594 rp->address = ip[nac-1];
595 if (nsc >= 2 && ip[nac+nsc-2] != 0)
596 rp->size = ~0U;
597 else
598 rp->size = ip[nac+nsc-1];
599 ++rp;
600 }
601 mp->n_regions = rp - mp->regions;
602
603 /* Make sure the pieces are sorted. */
604 mem_pieces_sort(mp);
605 mem_pieces_coalesce(mp);
606 return 1;
607}
608
609/*
610 * On systems with Open Firmware, collect information about
611 * physical RAM and which pieces are already in use.
612 * At this point, we have (at least) the first 8MB mapped with a BAT.
613 * Our text, data, bss use something over 1MB, starting at 0.
614 * Open Firmware may be using 1MB at the 4MB point.
615 */
616unsigned long __init
617pmac_find_end_of_memory(void)
618{
619 unsigned long a, total;
620 struct mem_pieces phys_mem;
621
622 /*
623 * Find out where physical memory is, and check that it
624 * starts at 0 and is contiguous. It seems that RAM is
625 * always physically contiguous on Power Macintoshes.
626 *
627 * Supporting discontiguous physical memory isn't hard,
628 * it just makes the virtual <-> physical mapping functions
629 * more complicated (or else you end up wasting space
630 * in mem_map).
631 */
632 memory_node = find_devices("memory");
633 if (memory_node == NULL || !get_mem_prop("reg", &phys_mem)
634 || phys_mem.n_regions == 0)
635 panic("No RAM??");
636 a = phys_mem.regions[0].address;
637 if (a != 0)
638 panic("RAM doesn't start at physical address 0");
639 total = phys_mem.regions[0].size;
640
641 if (phys_mem.n_regions > 1) {
642 printk("RAM starting at 0x%x is not contiguous\n",
643 phys_mem.regions[1].address);
644 printk("Using RAM from 0 to 0x%lx\n", total-1);
645 }
646
647 return total;
648}
649
650void __init
651pmac_init(unsigned long r3, unsigned long r4, unsigned long r5,
652 unsigned long r6, unsigned long r7)
653{
654 /* isa_io_base gets set in pmac_find_bridges */
655 isa_mem_base = PMAC_ISA_MEM_BASE;
656 pci_dram_offset = PMAC_PCI_DRAM_OFFSET;
657 ISA_DMA_THRESHOLD = ~0L;
658 DMA_MODE_READ = 1;
659 DMA_MODE_WRITE = 2;
660
661 ppc_md.setup_arch = pmac_setup_arch;
662 ppc_md.show_cpuinfo = pmac_show_cpuinfo;
663 ppc_md.show_percpuinfo = pmac_show_percpuinfo;
664 ppc_md.init_IRQ = pmac_pic_init;
665 ppc_md.get_irq = pmac_get_irq; /* Changed later on ... */
666
667 ppc_md.pcibios_fixup = pmac_pcibios_fixup;
668 ppc_md.pcibios_enable_device_hook = pmac_pci_enable_device_hook;
669 ppc_md.pcibios_after_init = pmac_pcibios_after_init;
670 ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;
671
672 ppc_md.restart = pmac_restart;
673 ppc_md.power_off = pmac_power_off;
674 ppc_md.halt = pmac_halt;
675
676 ppc_md.time_init = pmac_time_init;
677 ppc_md.set_rtc_time = pmac_set_rtc_time;
678 ppc_md.get_rtc_time = pmac_get_rtc_time;
679 ppc_md.calibrate_decr = pmac_calibrate_decr;
680
681 ppc_md.find_end_of_memory = pmac_find_end_of_memory;
682
683 ppc_md.feature_call = pmac_do_feature_call;
684
685#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
686#ifdef CONFIG_BLK_DEV_IDE_PMAC
687 ppc_ide_md.ide_init_hwif = pmac_ide_init_hwif_ports;
688 ppc_ide_md.default_io_base = pmac_ide_get_base;
689#endif /* CONFIG_BLK_DEV_IDE_PMAC */
690#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
691
692#ifdef CONFIG_BOOTX_TEXT
693 ppc_md.progress = pmac_progress;
694#endif /* CONFIG_BOOTX_TEXT */
695
696 if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0);
697
698}
699
700#ifdef CONFIG_BOOTX_TEXT
701static void __init
702pmac_progress(char *s, unsigned short hex)
703{
704 if (boot_text_mapped) {
705 btext_drawstring(s);
706 btext_drawchar('\n');
707 }
708}
709#endif /* CONFIG_BOOTX_TEXT */
710
711static int __init
712pmac_declare_of_platform_devices(void)
713{
714 struct device_node *np;
715
716 np = find_devices("uni-n");
717 if (np) {
718 for (np = np->child; np != NULL; np = np->sibling)
719 if (strncmp(np->name, "i2c", 3) == 0) {
720 of_platform_device_create(np, "uni-n-i2c",
721 NULL);
722 break;
723 }
724 }
725 np = find_devices("u3");
726 if (np) {
727 for (np = np->child; np != NULL; np = np->sibling)
728 if (strncmp(np->name, "i2c", 3) == 0) {
729 of_platform_device_create(np, "u3-i2c",
730 NULL);
731 break;
732 }
733 }
734
735 np = find_devices("valkyrie");
736 if (np)
737 of_platform_device_create(np, "valkyrie", NULL);
738 np = find_devices("platinum");
739 if (np)
740 of_platform_device_create(np, "platinum", NULL);
741
742 return 0;
743}
744
745device_initcall(pmac_declare_of_platform_devices);
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-21 03:29:51 -0500