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-rw-r--r--arch/microblaze/Kconfig1
-rw-r--r--arch/microblaze/include/asm/prom.h20
-rw-r--r--arch/microblaze/kernel/of_platform.c2
-rw-r--r--arch/microblaze/kernel/prom.c990
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/include/asm/prom.h18
-rw-r--r--arch/powerpc/kernel/of_platform.c2
-rw-r--r--arch/powerpc/kernel/pci_64.c2
-rw-r--r--arch/powerpc/kernel/prom.c887
-rw-r--r--arch/powerpc/platforms/85xx/xes_mpc85xx.c4
-rw-r--r--arch/powerpc/platforms/cell/cbe_powerbutton.c2
-rw-r--r--arch/powerpc/platforms/cell/ras.c2
-rw-r--r--arch/powerpc/platforms/cell/spu_manage.c6
-rw-r--r--arch/powerpc/platforms/pasemi/cpufreq.c4
-rw-r--r--arch/powerpc/platforms/powermac/cpufreq_32.c14
-rw-r--r--arch/powerpc/platforms/powermac/cpufreq_64.c14
-rw-r--r--arch/powerpc/platforms/powermac/feature.c2
-rw-r--r--arch/powerpc/platforms/powermac/pfunc_core.c2
-rw-r--r--arch/powerpc/platforms/powermac/smp.c12
-rw-r--r--arch/powerpc/platforms/powermac/time.c8
-rw-r--r--arch/powerpc/platforms/powermac/udbg_scc.c6
-rw-r--r--arch/powerpc/sysdev/grackle.c4
-rw-r--r--arch/sparc/kernel/devices.c2
-rw-r--r--arch/sparc/kernel/of_device_32.c2
-rw-r--r--arch/sparc/kernel/of_device_64.c2
-rw-r--r--arch/sparc/kernel/prom.h3
-rw-r--r--arch/sparc/kernel/prom_common.c18
-rw-r--r--arch/sparc/kernel/smp_64.c2
28 files changed, 114 insertions, 1918 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index cd5837e298b2..b008168ae946 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -130,6 +130,7 @@ config CMDLINE_FORCE
130 130
131config OF 131config OF
132 def_bool y 132 def_bool y
133 select OF_FLATTREE
133 134
134config PROC_DEVICETREE 135config PROC_DEVICETREE
135 bool "Support for device tree in /proc" 136 bool "Support for device tree in /proc"
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index ef3ec1d6ceb3..03f45a963204 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -26,31 +26,11 @@
26#include <asm/irq.h> 26#include <asm/irq.h>
27#include <asm/atomic.h> 27#include <asm/atomic.h>
28 28
29#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
30#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
31
32#define of_compat_cmp(s1, s2, l) strncasecmp((s1), (s2), (l))
33#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
34#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
35
36extern struct device_node *of_chosen;
37
38#define HAVE_ARCH_DEVTREE_FIXUPS 29#define HAVE_ARCH_DEVTREE_FIXUPS
39 30
40extern struct device_node *allnodes; /* temporary while merging */
41extern rwlock_t devtree_lock; /* temporary while merging */
42
43/* For updating the device tree at runtime */
44extern void of_attach_node(struct device_node *);
45extern void of_detach_node(struct device_node *);
46
47/* Other Prototypes */ 31/* Other Prototypes */
48extern int early_uartlite_console(void); 32extern int early_uartlite_console(void);
49 33
50extern struct resource *request_OF_resource(struct device_node *node,
51 int index, const char *name_postfix);
52extern int release_OF_resource(struct device_node *node, int index);
53
54/* 34/*
55 * OF address retreival & translation 35 * OF address retreival & translation
56 */ 36 */
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
index acf4574d0f18..1c6d684996d7 100644
--- a/arch/microblaze/kernel/of_platform.c
+++ b/arch/microblaze/kernel/of_platform.c
@@ -185,7 +185,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
185static int of_dev_phandle_match(struct device *dev, void *data) 185static int of_dev_phandle_match(struct device *dev, void *data)
186{ 186{
187 phandle *ph = data; 187 phandle *ph = data;
188 return to_of_device(dev)->node->linux_phandle == *ph; 188 return to_of_device(dev)->node->phandle == *ph;
189} 189}
190 190
191struct of_device *of_find_device_by_phandle(phandle ph) 191struct of_device *of_find_device_by_phandle(phandle ph)
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index b817df172aa9..a15ef6d67ca9 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -42,698 +42,21 @@
42#include <asm/sections.h> 42#include <asm/sections.h>
43#include <asm/pci-bridge.h> 43#include <asm/pci-bridge.h>
44 44
45static int __initdata dt_root_addr_cells; 45void __init early_init_dt_scan_chosen_arch(unsigned long node)
46static int __initdata dt_root_size_cells;
47
48typedef u32 cell_t;
49
50static struct boot_param_header *initial_boot_params;
51
52/* export that to outside world */
53struct device_node *of_chosen;
54
55static inline char *find_flat_dt_string(u32 offset)
56{
57 return ((char *)initial_boot_params) +
58 initial_boot_params->off_dt_strings + offset;
59}
60
61/**
62 * This function is used to scan the flattened device-tree, it is
63 * used to extract the memory informations at boot before we can
64 * unflatten the tree
65 */
66int __init of_scan_flat_dt(int (*it)(unsigned long node,
67 const char *uname, int depth,
68 void *data),
69 void *data)
70{
71 unsigned long p = ((unsigned long)initial_boot_params) +
72 initial_boot_params->off_dt_struct;
73 int rc = 0;
74 int depth = -1;
75
76 do {
77 u32 tag = *((u32 *)p);
78 char *pathp;
79
80 p += 4;
81 if (tag == OF_DT_END_NODE) {
82 depth--;
83 continue;
84 }
85 if (tag == OF_DT_NOP)
86 continue;
87 if (tag == OF_DT_END)
88 break;
89 if (tag == OF_DT_PROP) {
90 u32 sz = *((u32 *)p);
91 p += 8;
92 if (initial_boot_params->version < 0x10)
93 p = _ALIGN(p, sz >= 8 ? 8 : 4);
94 p += sz;
95 p = _ALIGN(p, 4);
96 continue;
97 }
98 if (tag != OF_DT_BEGIN_NODE) {
99 printk(KERN_WARNING "Invalid tag %x scanning flattened"
100 " device tree !\n", tag);
101 return -EINVAL;
102 }
103 depth++;
104 pathp = (char *)p;
105 p = _ALIGN(p + strlen(pathp) + 1, 4);
106 if ((*pathp) == '/') {
107 char *lp, *np;
108 for (lp = NULL, np = pathp; *np; np++)
109 if ((*np) == '/')
110 lp = np+1;
111 if (lp != NULL)
112 pathp = lp;
113 }
114 rc = it(p, pathp, depth, data);
115 if (rc != 0)
116 break;
117 } while (1);
118
119 return rc;
120}
121
122unsigned long __init of_get_flat_dt_root(void)
123{
124 unsigned long p = ((unsigned long)initial_boot_params) +
125 initial_boot_params->off_dt_struct;
126
127 while (*((u32 *)p) == OF_DT_NOP)
128 p += 4;
129 BUG_ON(*((u32 *)p) != OF_DT_BEGIN_NODE);
130 p += 4;
131 return _ALIGN(p + strlen((char *)p) + 1, 4);
132}
133
134/**
135 * This function can be used within scan_flattened_dt callback to get
136 * access to properties
137 */
138void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
139 unsigned long *size)
140{
141 unsigned long p = node;
142
143 do {
144 u32 tag = *((u32 *)p);
145 u32 sz, noff;
146 const char *nstr;
147
148 p += 4;
149 if (tag == OF_DT_NOP)
150 continue;
151 if (tag != OF_DT_PROP)
152 return NULL;
153
154 sz = *((u32 *)p);
155 noff = *((u32 *)(p + 4));
156 p += 8;
157 if (initial_boot_params->version < 0x10)
158 p = _ALIGN(p, sz >= 8 ? 8 : 4);
159
160 nstr = find_flat_dt_string(noff);
161 if (nstr == NULL) {
162 printk(KERN_WARNING "Can't find property index"
163 " name !\n");
164 return NULL;
165 }
166 if (strcmp(name, nstr) == 0) {
167 if (size)
168 *size = sz;
169 return (void *)p;
170 }
171 p += sz;
172 p = _ALIGN(p, 4);
173 } while (1);
174}
175
176int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
177{
178 const char *cp;
179 unsigned long cplen, l;
180
181 cp = of_get_flat_dt_prop(node, "compatible", &cplen);
182 if (cp == NULL)
183 return 0;
184 while (cplen > 0) {
185 if (strncasecmp(cp, compat, strlen(compat)) == 0)
186 return 1;
187 l = strlen(cp) + 1;
188 cp += l;
189 cplen -= l;
190 }
191
192 return 0;
193}
194
195static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
196 unsigned long align)
197{
198 void *res;
199
200 *mem = _ALIGN(*mem, align);
201 res = (void *)*mem;
202 *mem += size;
203
204 return res;
205}
206
207static unsigned long __init unflatten_dt_node(unsigned long mem,
208 unsigned long *p,
209 struct device_node *dad,
210 struct device_node ***allnextpp,
211 unsigned long fpsize)
212{
213 struct device_node *np;
214 struct property *pp, **prev_pp = NULL;
215 char *pathp;
216 u32 tag;
217 unsigned int l, allocl;
218 int has_name = 0;
219 int new_format = 0;
220
221 tag = *((u32 *)(*p));
222 if (tag != OF_DT_BEGIN_NODE) {
223 printk("Weird tag at start of node: %x\n", tag);
224 return mem;
225 }
226 *p += 4;
227 pathp = (char *)*p;
228 l = allocl = strlen(pathp) + 1;
229 *p = _ALIGN(*p + l, 4);
230
231 /* version 0x10 has a more compact unit name here instead of the full
232 * path. we accumulate the full path size using "fpsize", we'll rebuild
233 * it later. We detect this because the first character of the name is
234 * not '/'.
235 */
236 if ((*pathp) != '/') {
237 new_format = 1;
238 if (fpsize == 0) {
239 /* root node: special case. fpsize accounts for path
240 * plus terminating zero. root node only has '/', so
241 * fpsize should be 2, but we want to avoid the first
242 * level nodes to have two '/' so we use fpsize 1 here
243 */
244 fpsize = 1;
245 allocl = 2;
246 } else {
247 /* account for '/' and path size minus terminal 0
248 * already in 'l'
249 */
250 fpsize += l;
251 allocl = fpsize;
252 }
253 }
254
255 np = unflatten_dt_alloc(&mem, sizeof(struct device_node) + allocl,
256 __alignof__(struct device_node));
257 if (allnextpp) {
258 memset(np, 0, sizeof(*np));
259 np->full_name = ((char *)np) + sizeof(struct device_node);
260 if (new_format) {
261 char *p2 = np->full_name;
262 /* rebuild full path for new format */
263 if (dad && dad->parent) {
264 strcpy(p2, dad->full_name);
265#ifdef DEBUG
266 if ((strlen(p2) + l + 1) != allocl) {
267 pr_debug("%s: p: %d, l: %d, a: %d\n",
268 pathp, (int)strlen(p2),
269 l, allocl);
270 }
271#endif
272 p2 += strlen(p2);
273 }
274 *(p2++) = '/';
275 memcpy(p2, pathp, l);
276 } else
277 memcpy(np->full_name, pathp, l);
278 prev_pp = &np->properties;
279 **allnextpp = np;
280 *allnextpp = &np->allnext;
281 if (dad != NULL) {
282 np->parent = dad;
283 /* we temporarily use the next field as `last_child'*/
284 if (dad->next == NULL)
285 dad->child = np;
286 else
287 dad->next->sibling = np;
288 dad->next = np;
289 }
290 kref_init(&np->kref);
291 }
292 while (1) {
293 u32 sz, noff;
294 char *pname;
295
296 tag = *((u32 *)(*p));
297 if (tag == OF_DT_NOP) {
298 *p += 4;
299 continue;
300 }
301 if (tag != OF_DT_PROP)
302 break;
303 *p += 4;
304 sz = *((u32 *)(*p));
305 noff = *((u32 *)((*p) + 4));
306 *p += 8;
307 if (initial_boot_params->version < 0x10)
308 *p = _ALIGN(*p, sz >= 8 ? 8 : 4);
309
310 pname = find_flat_dt_string(noff);
311 if (pname == NULL) {
312 printk(KERN_INFO
313 "Can't find property name in list !\n");
314 break;
315 }
316 if (strcmp(pname, "name") == 0)
317 has_name = 1;
318 l = strlen(pname) + 1;
319 pp = unflatten_dt_alloc(&mem, sizeof(struct property),
320 __alignof__(struct property));
321 if (allnextpp) {
322 if (strcmp(pname, "linux,phandle") == 0) {
323 np->node = *((u32 *)*p);
324 if (np->linux_phandle == 0)
325 np->linux_phandle = np->node;
326 }
327 if (strcmp(pname, "ibm,phandle") == 0)
328 np->linux_phandle = *((u32 *)*p);
329 pp->name = pname;
330 pp->length = sz;
331 pp->value = (void *)*p;
332 *prev_pp = pp;
333 prev_pp = &pp->next;
334 }
335 *p = _ALIGN((*p) + sz, 4);
336 }
337 /* with version 0x10 we may not have the name property, recreate
338 * it here from the unit name if absent
339 */
340 if (!has_name) {
341 char *p1 = pathp, *ps = pathp, *pa = NULL;
342 int sz;
343
344 while (*p1) {
345 if ((*p1) == '@')
346 pa = p1;
347 if ((*p1) == '/')
348 ps = p1 + 1;
349 p1++;
350 }
351 if (pa < ps)
352 pa = p1;
353 sz = (pa - ps) + 1;
354 pp = unflatten_dt_alloc(&mem, sizeof(struct property) + sz,
355 __alignof__(struct property));
356 if (allnextpp) {
357 pp->name = "name";
358 pp->length = sz;
359 pp->value = pp + 1;
360 *prev_pp = pp;
361 prev_pp = &pp->next;
362 memcpy(pp->value, ps, sz - 1);
363 ((char *)pp->value)[sz - 1] = 0;
364 pr_debug("fixed up name for %s -> %s\n", pathp,
365 (char *)pp->value);
366 }
367 }
368 if (allnextpp) {
369 *prev_pp = NULL;
370 np->name = of_get_property(np, "name", NULL);
371 np->type = of_get_property(np, "device_type", NULL);
372
373 if (!np->name)
374 np->name = "<NULL>";
375 if (!np->type)
376 np->type = "<NULL>";
377 }
378 while (tag == OF_DT_BEGIN_NODE) {
379 mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize);
380 tag = *((u32 *)(*p));
381 }
382 if (tag != OF_DT_END_NODE) {
383 printk(KERN_INFO "Weird tag at end of node: %x\n", tag);
384 return mem;
385 }
386 *p += 4;
387 return mem;
388}
389
390/**
391 * unflattens the device-tree passed by the firmware, creating the
392 * tree of struct device_node. It also fills the "name" and "type"
393 * pointers of the nodes so the normal device-tree walking functions
394 * can be used (this used to be done by finish_device_tree)
395 */
396void __init unflatten_device_tree(void)
397{
398 unsigned long start, mem, size;
399 struct device_node **allnextp = &allnodes;
400
401 pr_debug(" -> unflatten_device_tree()\n");
402
403 /* First pass, scan for size */
404 start = ((unsigned long)initial_boot_params) +
405 initial_boot_params->off_dt_struct;
406 size = unflatten_dt_node(0, &start, NULL, NULL, 0);
407 size = (size | 3) + 1;
408
409 pr_debug(" size is %lx, allocating...\n", size);
410
411 /* Allocate memory for the expanded device tree */
412 mem = lmb_alloc(size + 4, __alignof__(struct device_node));
413 mem = (unsigned long) __va(mem);
414
415 ((u32 *)mem)[size / 4] = 0xdeadbeef;
416
417 pr_debug(" unflattening %lx...\n", mem);
418
419 /* Second pass, do actual unflattening */
420 start = ((unsigned long)initial_boot_params) +
421 initial_boot_params->off_dt_struct;
422 unflatten_dt_node(mem, &start, NULL, &allnextp, 0);
423 if (*((u32 *)start) != OF_DT_END)
424 printk(KERN_WARNING "Weird tag at end of tree: %08x\n",
425 *((u32 *)start));
426 if (((u32 *)mem)[size / 4] != 0xdeadbeef)
427 printk(KERN_WARNING "End of tree marker overwritten: %08x\n",
428 ((u32 *)mem)[size / 4]);
429 *allnextp = NULL;
430
431 /* Get pointer to OF "/chosen" node for use everywhere */
432 of_chosen = of_find_node_by_path("/chosen");
433 if (of_chosen == NULL)
434 of_chosen = of_find_node_by_path("/chosen@0");
435
436 pr_debug(" <- unflatten_device_tree()\n");
437}
438
439#define early_init_dt_scan_drconf_memory(node) 0
440
441static int __init early_init_dt_scan_cpus(unsigned long node,
442 const char *uname, int depth,
443 void *data)
444{
445 static int logical_cpuid;
446 char *type = of_get_flat_dt_prop(node, "device_type", NULL);
447 const u32 *intserv;
448 int i, nthreads;
449 int found = 0;
450
451 /* We are scanning "cpu" nodes only */
452 if (type == NULL || strcmp(type, "cpu") != 0)
453 return 0;
454
455 /* Get physical cpuid */
456 intserv = of_get_flat_dt_prop(node, "reg", NULL);
457 nthreads = 1;
458
459 /*
460 * Now see if any of these threads match our boot cpu.
461 * NOTE: This must match the parsing done in smp_setup_cpu_maps.
462 */
463 for (i = 0; i < nthreads; i++) {
464 /*
465 * version 2 of the kexec param format adds the phys cpuid of
466 * booted proc.
467 */
468 if (initial_boot_params && initial_boot_params->version >= 2) {
469 if (intserv[i] ==
470 initial_boot_params->boot_cpuid_phys) {
471 found = 1;
472 break;
473 }
474 } else {
475 /*
476 * Check if it's the boot-cpu, set it's hw index now,
477 * unfortunately this format did not support booting
478 * off secondary threads.
479 */
480 if (of_get_flat_dt_prop(node,
481 "linux,boot-cpu", NULL) != NULL) {
482 found = 1;
483 break;
484 }
485 }
486
487#ifdef CONFIG_SMP
488 /* logical cpu id is always 0 on UP kernels */
489 logical_cpuid++;
490#endif
491 }
492
493 if (found) {
494 pr_debug("boot cpu: logical %d physical %d\n", logical_cpuid,
495 intserv[i]);
496 boot_cpuid = logical_cpuid;
497 }
498
499 return 0;
500}
501
502#ifdef CONFIG_BLK_DEV_INITRD
503static void __init early_init_dt_check_for_initrd(unsigned long node)
504{
505 unsigned long l;
506 u32 *prop;
507
508 pr_debug("Looking for initrd properties... ");
509
510 prop = of_get_flat_dt_prop(node, "linux,initrd-start", &l);
511 if (prop) {
512 initrd_start = (unsigned long)
513 __va((u32)of_read_ulong(prop, l/4));
514
515 prop = of_get_flat_dt_prop(node, "linux,initrd-end", &l);
516 if (prop) {
517 initrd_end = (unsigned long)
518 __va((u32)of_read_ulong(prop, 1/4));
519 initrd_below_start_ok = 1;
520 } else {
521 initrd_start = 0;
522 }
523 }
524
525 pr_debug("initrd_start=0x%lx initrd_end=0x%lx\n",
526 initrd_start, initrd_end);
527}
528#else
529static inline void early_init_dt_check_for_initrd(unsigned long node)
530{
531}
532#endif /* CONFIG_BLK_DEV_INITRD */
533
534static int __init early_init_dt_scan_chosen(unsigned long node,
535 const char *uname, int depth, void *data)
536{
537 unsigned long l;
538 char *p;
539
540 pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
541
542 if (depth != 1 ||
543 (strcmp(uname, "chosen") != 0 &&
544 strcmp(uname, "chosen@0") != 0))
545 return 0;
546
547#ifdef CONFIG_KEXEC
548 lprop = (u64 *)of_get_flat_dt_prop(node,
549 "linux,crashkernel-base", NULL);
550 if (lprop)
551 crashk_res.start = *lprop;
552
553 lprop = (u64 *)of_get_flat_dt_prop(node,
554 "linux,crashkernel-size", NULL);
555 if (lprop)
556 crashk_res.end = crashk_res.start + *lprop - 1;
557#endif
558
559 early_init_dt_check_for_initrd(node);
560
561 /* Retreive command line */
562 p = of_get_flat_dt_prop(node, "bootargs", &l);
563 if (p != NULL && l > 0)
564 strlcpy(cmd_line, p, min((int)l, COMMAND_LINE_SIZE));
565
566#ifdef CONFIG_CMDLINE
567#ifndef CONFIG_CMDLINE_FORCE
568 if (p == NULL || l == 0 || (l == 1 && (*p) == 0))
569#endif
570 strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
571#endif /* CONFIG_CMDLINE */
572
573 pr_debug("Command line is: %s\n", cmd_line);
574
575 /* break now */
576 return 1;
577}
578
579static int __init early_init_dt_scan_root(unsigned long node,
580 const char *uname, int depth, void *data)
581{
582 u32 *prop;
583
584 if (depth != 0)
585 return 0;
586
587 prop = of_get_flat_dt_prop(node, "#size-cells", NULL);
588 dt_root_size_cells = (prop == NULL) ? 1 : *prop;
589 pr_debug("dt_root_size_cells = %x\n", dt_root_size_cells);
590
591 prop = of_get_flat_dt_prop(node, "#address-cells", NULL);
592 dt_root_addr_cells = (prop == NULL) ? 2 : *prop;
593 pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells);
594
595 /* break now */
596 return 1;
597}
598
599static u64 __init dt_mem_next_cell(int s, cell_t **cellp)
600{ 46{
601 cell_t *p = *cellp; 47 /* No Microblaze specific code here */
602
603 *cellp = p + s;
604 return of_read_number(p, s);
605} 48}
606 49
607static int __init early_init_dt_scan_memory(unsigned long node, 50void __init early_init_dt_add_memory_arch(u64 base, u64 size)
608 const char *uname, int depth, void *data)
609{ 51{
610 char *type = of_get_flat_dt_prop(node, "device_type", NULL); 52 lmb_add(base, size);
611 cell_t *reg, *endp;
612 unsigned long l;
613
614 /* Look for the ibm,dynamic-reconfiguration-memory node */
615/* if (depth == 1 &&
616 strcmp(uname, "ibm,dynamic-reconfiguration-memory") == 0)
617 return early_init_dt_scan_drconf_memory(node);
618*/
619 /* We are scanning "memory" nodes only */
620 if (type == NULL) {
621 /*
622 * The longtrail doesn't have a device_type on the
623 * /memory node, so look for the node called /memory@0.
624 */
625 if (depth != 1 || strcmp(uname, "memory@0") != 0)
626 return 0;
627 } else if (strcmp(type, "memory") != 0)
628 return 0;
629
630 reg = (cell_t *)of_get_flat_dt_prop(node, "linux,usable-memory", &l);
631 if (reg == NULL)
632 reg = (cell_t *)of_get_flat_dt_prop(node, "reg", &l);
633 if (reg == NULL)
634 return 0;
635
636 endp = reg + (l / sizeof(cell_t));
637
638 pr_debug("memory scan node %s, reg size %ld, data: %x %x %x %x,\n",
639 uname, l, reg[0], reg[1], reg[2], reg[3]);
640
641 while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
642 u64 base, size;
643
644 base = dt_mem_next_cell(dt_root_addr_cells, &reg);
645 size = dt_mem_next_cell(dt_root_size_cells, &reg);
646
647 if (size == 0)
648 continue;
649 pr_debug(" - %llx , %llx\n", (unsigned long long)base,
650 (unsigned long long)size);
651
652 lmb_add(base, size);
653 }
654 return 0;
655} 53}
656 54
657#ifdef CONFIG_PHYP_DUMP 55u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
658/**
659 * phyp_dump_calculate_reserve_size() - reserve variable boot area 5% or arg
660 *
661 * Function to find the largest size we need to reserve
662 * during early boot process.
663 *
664 * It either looks for boot param and returns that OR
665 * returns larger of 256 or 5% rounded down to multiples of 256MB.
666 *
667 */
668static inline unsigned long phyp_dump_calculate_reserve_size(void)
669{ 56{
670 unsigned long tmp; 57 return lmb_alloc(size, align);
671
672 if (phyp_dump_info->reserve_bootvar)
673 return phyp_dump_info->reserve_bootvar;
674
675 /* divide by 20 to get 5% of value */
676 tmp = lmb_end_of_DRAM();
677 do_div(tmp, 20);
678
679 /* round it down in multiples of 256 */
680 tmp = tmp & ~0x0FFFFFFFUL;
681
682 return (tmp > PHYP_DUMP_RMR_END ? tmp : PHYP_DUMP_RMR_END);
683} 58}
684 59
685/**
686 * phyp_dump_reserve_mem() - reserve all not-yet-dumped mmemory
687 *
688 * This routine may reserve memory regions in the kernel only
689 * if the system is supported and a dump was taken in last
690 * boot instance or if the hardware is supported and the
691 * scratch area needs to be setup. In other instances it returns
692 * without reserving anything. The memory in case of dump being
693 * active is freed when the dump is collected (by userland tools).
694 */
695static void __init phyp_dump_reserve_mem(void)
696{
697 unsigned long base, size;
698 unsigned long variable_reserve_size;
699
700 if (!phyp_dump_info->phyp_dump_configured) {
701 printk(KERN_ERR "Phyp-dump not supported on this hardware\n");
702 return;
703 }
704
705 if (!phyp_dump_info->phyp_dump_at_boot) {
706 printk(KERN_INFO "Phyp-dump disabled at boot time\n");
707 return;
708 }
709
710 variable_reserve_size = phyp_dump_calculate_reserve_size();
711
712 if (phyp_dump_info->phyp_dump_is_active) {
713 /* Reserve *everything* above RMR.Area freed by userland tools*/
714 base = variable_reserve_size;
715 size = lmb_end_of_DRAM() - base;
716
717 /* XXX crashed_ram_end is wrong, since it may be beyond
718 * the memory_limit, it will need to be adjusted. */
719 lmb_reserve(base, size);
720
721 phyp_dump_info->init_reserve_start = base;
722 phyp_dump_info->init_reserve_size = size;
723 } else {
724 size = phyp_dump_info->cpu_state_size +
725 phyp_dump_info->hpte_region_size +
726 variable_reserve_size;
727 base = lmb_end_of_DRAM() - size;
728 lmb_reserve(base, size);
729 phyp_dump_info->init_reserve_start = base;
730 phyp_dump_info->init_reserve_size = size;
731 }
732}
733#else
734static inline void __init phyp_dump_reserve_mem(void) {}
735#endif /* CONFIG_PHYP_DUMP && CONFIG_PPC_RTAS */
736
737#ifdef CONFIG_EARLY_PRINTK 60#ifdef CONFIG_EARLY_PRINTK
738/* MS this is Microblaze specifig function */ 61/* MS this is Microblaze specifig function */
739static int __init early_init_dt_scan_serial(unsigned long node, 62static int __init early_init_dt_scan_serial(unsigned long node,
@@ -775,11 +98,6 @@ void __init early_init_devtree(void *params)
775 /* Setup flat device-tree pointer */ 98 /* Setup flat device-tree pointer */
776 initial_boot_params = params; 99 initial_boot_params = params;
777 100
778#ifdef CONFIG_PHYP_DUMP
779 /* scan tree to see if dump occured during last boot */
780 of_scan_flat_dt(early_init_dt_scan_phyp_dump, NULL);
781#endif
782
783 /* Retrieve various informations from the /chosen node of the 101 /* Retrieve various informations from the /chosen node of the
784 * device-tree, including the platform type, initrd location and 102 * device-tree, including the platform type, initrd location and
785 * size, TCE reserve, and more ... 103 * size, TCE reserve, and more ...
@@ -799,33 +117,18 @@ void __init early_init_devtree(void *params)
799 117
800 pr_debug("Phys. mem: %lx\n", (unsigned long) lmb_phys_mem_size()); 118 pr_debug("Phys. mem: %lx\n", (unsigned long) lmb_phys_mem_size());
801 119
802 pr_debug("Scanning CPUs ...\n");
803
804 /* Retreive CPU related informations from the flat tree
805 * (altivec support, boot CPU ID, ...)
806 */
807 of_scan_flat_dt(early_init_dt_scan_cpus, NULL);
808
809 pr_debug(" <- early_init_devtree()\n"); 120 pr_debug(" <- early_init_devtree()\n");
810} 121}
811 122
812/** 123#ifdef CONFIG_BLK_DEV_INITRD
813 * Indicates whether the root node has a given value in its 124void __init early_init_dt_setup_initrd_arch(unsigned long start,
814 * compatible property. 125 unsigned long end)
815 */
816int machine_is_compatible(const char *compat)
817{ 126{
818 struct device_node *root; 127 initrd_start = (unsigned long)__va(start);
819 int rc = 0; 128 initrd_end = (unsigned long)__va(end);
820 129 initrd_below_start_ok = 1;
821 root = of_find_node_by_path("/");
822 if (root) {
823 rc = of_device_is_compatible(root, compat);
824 of_node_put(root);
825 }
826 return rc;
827} 130}
828EXPORT_SYMBOL(machine_is_compatible); 131#endif
829 132
830/******* 133/*******
831 * 134 *
@@ -838,273 +141,6 @@ EXPORT_SYMBOL(machine_is_compatible);
838 * 141 *
839 *******/ 142 *******/
840 143
841/**
842 * of_find_node_by_phandle - Find a node given a phandle
843 * @handle: phandle of the node to find
844 *
845 * Returns a node pointer with refcount incremented, use
846 * of_node_put() on it when done.
847 */
848struct device_node *of_find_node_by_phandle(phandle handle)
849{
850 struct device_node *np;
851
852 read_lock(&devtree_lock);
853 for (np = allnodes; np != NULL; np = np->allnext)
854 if (np->linux_phandle == handle)
855 break;
856 of_node_get(np);
857 read_unlock(&devtree_lock);
858 return np;
859}
860EXPORT_SYMBOL(of_find_node_by_phandle);
861
862/**
863 * of_node_get - Increment refcount of a node
864 * @node: Node to inc refcount, NULL is supported to
865 * simplify writing of callers
866 *
867 * Returns node.
868 */
869struct device_node *of_node_get(struct device_node *node)
870{
871 if (node)
872 kref_get(&node->kref);
873 return node;
874}
875EXPORT_SYMBOL(of_node_get);
876
877static inline struct device_node *kref_to_device_node(struct kref *kref)
878{
879 return container_of(kref, struct device_node, kref);
880}
881
882/**
883 * of_node_release - release a dynamically allocated node
884 * @kref: kref element of the node to be released
885 *
886 * In of_node_put() this function is passed to kref_put()
887 * as the destructor.
888 */
889static void of_node_release(struct kref *kref)
890{
891 struct device_node *node = kref_to_device_node(kref);
892 struct property *prop = node->properties;
893
894 /* We should never be releasing nodes that haven't been detached. */
895 if (!of_node_check_flag(node, OF_DETACHED)) {
896 printk(KERN_INFO "WARNING: Bad of_node_put() on %s\n",
897 node->full_name);
898 dump_stack();
899 kref_init(&node->kref);
900 return;
901 }
902
903 if (!of_node_check_flag(node, OF_DYNAMIC))
904 return;
905
906 while (prop) {
907 struct property *next = prop->next;
908 kfree(prop->name);
909 kfree(prop->value);
910 kfree(prop);
911 prop = next;
912
913 if (!prop) {
914 prop = node->deadprops;
915 node->deadprops = NULL;
916 }
917 }
918 kfree(node->full_name);
919 kfree(node->data);
920 kfree(node);
921}
922
923/**
924 * of_node_put - Decrement refcount of a node
925 * @node: Node to dec refcount, NULL is supported to
926 * simplify writing of callers
927 *
928 */
929void of_node_put(struct device_node *node)
930{
931 if (node)
932 kref_put(&node->kref, of_node_release);
933}
934EXPORT_SYMBOL(of_node_put);
935
936/*
937 * Plug a device node into the tree and global list.
938 */
939void of_attach_node(struct device_node *np)
940{
941 unsigned long flags;
942
943 write_lock_irqsave(&devtree_lock, flags);
944 np->sibling = np->parent->child;
945 np->allnext = allnodes;
946 np->parent->child = np;
947 allnodes = np;
948 write_unlock_irqrestore(&devtree_lock, flags);
949}
950
951/*
952 * "Unplug" a node from the device tree. The caller must hold
953 * a reference to the node. The memory associated with the node
954 * is not freed until its refcount goes to zero.
955 */
956void of_detach_node(struct device_node *np)
957{
958 struct device_node *parent;
959 unsigned long flags;
960
961 write_lock_irqsave(&devtree_lock, flags);
962
963 parent = np->parent;
964 if (!parent)
965 goto out_unlock;
966
967 if (allnodes == np)
968 allnodes = np->allnext;
969 else {
970 struct device_node *prev;
971 for (prev = allnodes;
972 prev->allnext != np;
973 prev = prev->allnext)
974 ;
975 prev->allnext = np->allnext;
976 }
977
978 if (parent->child == np)
979 parent->child = np->sibling;
980 else {
981 struct device_node *prevsib;
982 for (prevsib = np->parent->child;
983 prevsib->sibling != np;
984 prevsib = prevsib->sibling)
985 ;
986 prevsib->sibling = np->sibling;
987 }
988
989 of_node_set_flag(np, OF_DETACHED);
990
991out_unlock:
992 write_unlock_irqrestore(&devtree_lock, flags);
993}
994
995/*
996 * Add a property to a node
997 */
998int prom_add_property(struct device_node *np, struct property *prop)
999{
1000 struct property **next;
1001 unsigned long flags;
1002
1003 prop->next = NULL;
1004 write_lock_irqsave(&devtree_lock, flags);
1005 next = &np->properties;
1006 while (*next) {
1007 if (strcmp(prop->name, (*next)->name) == 0) {
1008 /* duplicate ! don't insert it */
1009 write_unlock_irqrestore(&devtree_lock, flags);
1010 return -1;
1011 }
1012 next = &(*next)->next;
1013 }
1014 *next = prop;
1015 write_unlock_irqrestore(&devtree_lock, flags);
1016
1017#ifdef CONFIG_PROC_DEVICETREE
1018 /* try to add to proc as well if it was initialized */
1019 if (np->pde)
1020 proc_device_tree_add_prop(np->pde, prop);
1021#endif /* CONFIG_PROC_DEVICETREE */
1022
1023 return 0;
1024}
1025
1026/*
1027 * Remove a property from a node. Note that we don't actually
1028 * remove it, since we have given out who-knows-how-many pointers
1029 * to the data using get-property. Instead we just move the property
1030 * to the "dead properties" list, so it won't be found any more.
1031 */
1032int prom_remove_property(struct device_node *np, struct property *prop)
1033{
1034 struct property **next;
1035 unsigned long flags;
1036 int found = 0;
1037
1038 write_lock_irqsave(&devtree_lock, flags);
1039 next = &np->properties;
1040 while (*next) {
1041 if (*next == prop) {
1042 /* found the node */
1043 *next = prop->next;
1044 prop->next = np->deadprops;
1045 np->deadprops = prop;
1046 found = 1;
1047 break;
1048 }
1049 next = &(*next)->next;
1050 }
1051 write_unlock_irqrestore(&devtree_lock, flags);
1052
1053 if (!found)
1054 return -ENODEV;
1055
1056#ifdef CONFIG_PROC_DEVICETREE
1057 /* try to remove the proc node as well */
1058 if (np->pde)
1059 proc_device_tree_remove_prop(np->pde, prop);
1060#endif /* CONFIG_PROC_DEVICETREE */
1061
1062 return 0;
1063}
1064
1065/*
1066 * Update a property in a node. Note that we don't actually
1067 * remove it, since we have given out who-knows-how-many pointers
1068 * to the data using get-property. Instead we just move the property
1069 * to the "dead properties" list, and add the new property to the
1070 * property list
1071 */
1072int prom_update_property(struct device_node *np,
1073 struct property *newprop,
1074 struct property *oldprop)
1075{
1076 struct property **next;
1077 unsigned long flags;
1078 int found = 0;
1079
1080 write_lock_irqsave(&devtree_lock, flags);
1081 next = &np->properties;
1082 while (*next) {
1083 if (*next == oldprop) {
1084 /* found the node */
1085 newprop->next = oldprop->next;
1086 *next = newprop;
1087 oldprop->next = np->deadprops;
1088 np->deadprops = oldprop;
1089 found = 1;
1090 break;
1091 }
1092 next = &(*next)->next;
1093 }
1094 write_unlock_irqrestore(&devtree_lock, flags);
1095
1096 if (!found)
1097 return -ENODEV;
1098
1099#ifdef CONFIG_PROC_DEVICETREE
1100 /* try to add to proc as well if it was initialized */
1101 if (np->pde)
1102 proc_device_tree_update_prop(np->pde, newprop, oldprop);
1103#endif /* CONFIG_PROC_DEVICETREE */
1104
1105 return 0;
1106}
1107
1108#if defined(CONFIG_DEBUG_FS) && defined(DEBUG) 144#if defined(CONFIG_DEBUG_FS) && defined(DEBUG)
1109static struct debugfs_blob_wrapper flat_dt_blob; 145static struct debugfs_blob_wrapper flat_dt_blob;
1110 146
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index ba3948c70072..50c9af43e017 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -173,6 +173,7 @@ config PPC_OF
173 173
174config OF 174config OF
175 def_bool y 175 def_bool y
176 select OF_FLATTREE
176 177
177config PPC_UDBG_16550 178config PPC_UDBG_16550
178 bool 179 bool
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 2ab9cbd98826..ddd408a93b5a 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -23,21 +23,8 @@
23#include <asm/irq.h> 23#include <asm/irq.h>
24#include <asm/atomic.h> 24#include <asm/atomic.h>
25 25
26#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
27#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
28
29#define of_compat_cmp(s1, s2, l) strcasecmp((s1), (s2))
30#define of_prop_cmp(s1, s2) strcmp((s1), (s2))
31#define of_node_cmp(s1, s2) strcasecmp((s1), (s2))
32
33extern struct device_node *of_chosen;
34
35#define HAVE_ARCH_DEVTREE_FIXUPS 26#define HAVE_ARCH_DEVTREE_FIXUPS
36 27
37/* For updating the device tree at runtime */
38extern void of_attach_node(struct device_node *);
39extern void of_detach_node(struct device_node *);
40
41#ifdef CONFIG_PPC32 28#ifdef CONFIG_PPC32
42/* 29/*
43 * PCI <-> OF matching functions 30 * PCI <-> OF matching functions
@@ -52,11 +39,6 @@ extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
52extern void pci_create_OF_bus_map(void); 39extern void pci_create_OF_bus_map(void);
53#endif 40#endif
54 41
55extern struct resource *request_OF_resource(struct device_node* node,
56 int index, const char* name_postfix);
57extern int release_OF_resource(struct device_node* node, int index);
58
59
60/* 42/*
61 * OF address retreival & translation 43 * OF address retreival & translation
62 */ 44 */
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 1a4fc0d11a03..666d08db319e 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -214,7 +214,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
214static int of_dev_phandle_match(struct device *dev, void *data) 214static int of_dev_phandle_match(struct device *dev, void *data)
215{ 215{
216 phandle *ph = data; 216 phandle *ph = data;
217 return to_of_device(dev)->node->linux_phandle == *ph; 217 return to_of_device(dev)->node->phandle == *ph;
218} 218}
219 219
220struct of_device *of_find_device_by_phandle(phandle ph) 220struct of_device *of_find_device_by_phandle(phandle ph)
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index ccf56ac92de5..d43fc65749c1 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -224,7 +224,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
224 * G5 machines... So when something asks for bus 0 io base 224 * G5 machines... So when something asks for bus 0 io base
225 * (bus 0 is HT root), we return the AGP one instead. 225 * (bus 0 is HT root), we return the AGP one instead.
226 */ 226 */
227 if (in_bus == 0 && machine_is_compatible("MacRISC4")) { 227 if (in_bus == 0 && of_machine_is_compatible("MacRISC4")) {
228 struct device_node *agp; 228 struct device_node *agp;
229 229
230 agp = of_find_compatible_node(NULL, NULL, "u3-agp"); 230 agp = of_find_compatible_node(NULL, NULL, "u3-agp");
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4ec300862466..43238b2054b6 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -61,365 +61,12 @@
61#define DBG(fmt...) 61#define DBG(fmt...)
62#endif 62#endif
63 63
64
65static int __initdata dt_root_addr_cells;
66static int __initdata dt_root_size_cells;
67
68#ifdef CONFIG_PPC64 64#ifdef CONFIG_PPC64
69int __initdata iommu_is_off; 65int __initdata iommu_is_off;
70int __initdata iommu_force_on; 66int __initdata iommu_force_on;
71unsigned long tce_alloc_start, tce_alloc_end; 67unsigned long tce_alloc_start, tce_alloc_end;
72#endif 68#endif
73 69
74typedef u32 cell_t;
75
76#if 0
77static struct boot_param_header *initial_boot_params __initdata;
78#else
79struct boot_param_header *initial_boot_params;
80#endif
81
82extern struct device_node *allnodes; /* temporary while merging */
83
84extern rwlock_t devtree_lock; /* temporary while merging */
85
86/* export that to outside world */
87struct device_node *of_chosen;
88
89static inline char *find_flat_dt_string(u32 offset)
90{
91 return ((char *)initial_boot_params) +
92 initial_boot_params->off_dt_strings + offset;
93}
94
95/**
96 * This function is used to scan the flattened device-tree, it is
97 * used to extract the memory informations at boot before we can
98 * unflatten the tree
99 */
100int __init of_scan_flat_dt(int (*it)(unsigned long node,
101 const char *uname, int depth,
102 void *data),
103 void *data)
104{
105 unsigned long p = ((unsigned long)initial_boot_params) +
106 initial_boot_params->off_dt_struct;
107 int rc = 0;
108 int depth = -1;
109
110 do {
111 u32 tag = *((u32 *)p);
112 char *pathp;
113
114 p += 4;
115 if (tag == OF_DT_END_NODE) {
116 depth --;
117 continue;
118 }
119 if (tag == OF_DT_NOP)
120 continue;
121 if (tag == OF_DT_END)
122 break;
123 if (tag == OF_DT_PROP) {
124 u32 sz = *((u32 *)p);
125 p += 8;
126 if (initial_boot_params->version < 0x10)
127 p = _ALIGN(p, sz >= 8 ? 8 : 4);
128 p += sz;
129 p = _ALIGN(p, 4);
130 continue;
131 }
132 if (tag != OF_DT_BEGIN_NODE) {
133 printk(KERN_WARNING "Invalid tag %x scanning flattened"
134 " device tree !\n", tag);
135 return -EINVAL;
136 }
137 depth++;
138 pathp = (char *)p;
139 p = _ALIGN(p + strlen(pathp) + 1, 4);
140 if ((*pathp) == '/') {
141 char *lp, *np;
142 for (lp = NULL, np = pathp; *np; np++)
143 if ((*np) == '/')
144 lp = np+1;
145 if (lp != NULL)
146 pathp = lp;
147 }
148 rc = it(p, pathp, depth, data);
149 if (rc != 0)
150 break;
151 } while(1);
152
153 return rc;
154}
155
156unsigned long __init of_get_flat_dt_root(void)
157{
158 unsigned long p = ((unsigned long)initial_boot_params) +
159 initial_boot_params->off_dt_struct;
160
161 while(*((u32 *)p) == OF_DT_NOP)
162 p += 4;
163 BUG_ON (*((u32 *)p) != OF_DT_BEGIN_NODE);
164 p += 4;
165 return _ALIGN(p + strlen((char *)p) + 1, 4);
166}
167
168/**
169 * This function can be used within scan_flattened_dt callback to get
170 * access to properties
171 */
172void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
173 unsigned long *size)
174{
175 unsigned long p = node;
176
177 do {
178 u32 tag = *((u32 *)p);
179 u32 sz, noff;
180 const char *nstr;
181
182 p += 4;
183 if (tag == OF_DT_NOP)
184 continue;
185 if (tag != OF_DT_PROP)
186 return NULL;
187
188 sz = *((u32 *)p);
189 noff = *((u32 *)(p + 4));
190 p += 8;
191 if (initial_boot_params->version < 0x10)
192 p = _ALIGN(p, sz >= 8 ? 8 : 4);
193
194 nstr = find_flat_dt_string(noff);
195 if (nstr == NULL) {
196 printk(KERN_WARNING "Can't find property index"
197 " name !\n");
198 return NULL;
199 }
200 if (strcmp(name, nstr) == 0) {
201 if (size)
202 *size = sz;
203 return (void *)p;
204 }
205 p += sz;
206 p = _ALIGN(p, 4);
207 } while(1);
208}
209
210int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
211{
212 const char* cp;
213 unsigned long cplen, l;
214
215 cp = of_get_flat_dt_prop(node, "compatible", &cplen);
216 if (cp == NULL)
217 return 0;
218 while (cplen > 0) {
219 if (strncasecmp(cp, compat, strlen(compat)) == 0)
220 return 1;
221 l = strlen(cp) + 1;
222 cp += l;
223 cplen -= l;
224 }
225
226 return 0;
227}
228
229static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
230 unsigned long align)
231{
232 void *res;
233
234 *mem = _ALIGN(*mem, align);
235 res = (void *)*mem;
236 *mem += size;
237
238 return res;
239}
240
241static unsigned long __init unflatten_dt_node(unsigned long mem,
242 unsigned long *p,
243 struct device_node *dad,
244 struct device_node ***allnextpp,
245 unsigned long fpsize)
246{
247 struct device_node *np;
248 struct property *pp, **prev_pp = NULL;
249 char *pathp;
250 u32 tag;
251 unsigned int l, allocl;
252 int has_name = 0;
253 int new_format = 0;
254
255 tag = *((u32 *)(*p));
256 if (tag != OF_DT_BEGIN_NODE) {
257 printk("Weird tag at start of node: %x\n", tag);
258 return mem;
259 }
260 *p += 4;
261 pathp = (char *)*p;
262 l = allocl = strlen(pathp) + 1;
263 *p = _ALIGN(*p + l, 4);
264
265 /* version 0x10 has a more compact unit name here instead of the full
266 * path. we accumulate the full path size using "fpsize", we'll rebuild
267 * it later. We detect this because the first character of the name is
268 * not '/'.
269 */
270 if ((*pathp) != '/') {
271 new_format = 1;
272 if (fpsize == 0) {
273 /* root node: special case. fpsize accounts for path
274 * plus terminating zero. root node only has '/', so
275 * fpsize should be 2, but we want to avoid the first
276 * level nodes to have two '/' so we use fpsize 1 here
277 */
278 fpsize = 1;
279 allocl = 2;
280 } else {
281 /* account for '/' and path size minus terminal 0
282 * already in 'l'
283 */
284 fpsize += l;
285 allocl = fpsize;
286 }
287 }
288
289
290 np = unflatten_dt_alloc(&mem, sizeof(struct device_node) + allocl,
291 __alignof__(struct device_node));
292 if (allnextpp) {
293 memset(np, 0, sizeof(*np));
294 np->full_name = ((char*)np) + sizeof(struct device_node);
295 if (new_format) {
296 char *p = np->full_name;
297 /* rebuild full path for new format */
298 if (dad && dad->parent) {
299 strcpy(p, dad->full_name);
300#ifdef DEBUG
301 if ((strlen(p) + l + 1) != allocl) {
302 DBG("%s: p: %d, l: %d, a: %d\n",
303 pathp, (int)strlen(p), l, allocl);
304 }
305#endif
306 p += strlen(p);
307 }
308 *(p++) = '/';
309 memcpy(p, pathp, l);
310 } else
311 memcpy(np->full_name, pathp, l);
312 prev_pp = &np->properties;
313 **allnextpp = np;
314 *allnextpp = &np->allnext;
315 if (dad != NULL) {
316 np->parent = dad;
317 /* we temporarily use the next field as `last_child'*/
318 if (dad->next == 0)
319 dad->child = np;
320 else
321 dad->next->sibling = np;
322 dad->next = np;
323 }
324 kref_init(&np->kref);
325 }
326 while(1) {
327 u32 sz, noff;
328 char *pname;
329
330 tag = *((u32 *)(*p));
331 if (tag == OF_DT_NOP) {
332 *p += 4;
333 continue;
334 }
335 if (tag != OF_DT_PROP)
336 break;
337 *p += 4;
338 sz = *((u32 *)(*p));
339 noff = *((u32 *)((*p) + 4));
340 *p += 8;
341 if (initial_boot_params->version < 0x10)
342 *p = _ALIGN(*p, sz >= 8 ? 8 : 4);
343
344 pname = find_flat_dt_string(noff);
345 if (pname == NULL) {
346 printk("Can't find property name in list !\n");
347 break;
348 }
349 if (strcmp(pname, "name") == 0)
350 has_name = 1;
351 l = strlen(pname) + 1;
352 pp = unflatten_dt_alloc(&mem, sizeof(struct property),
353 __alignof__(struct property));
354 if (allnextpp) {
355 if (strcmp(pname, "linux,phandle") == 0) {
356 np->node = *((u32 *)*p);
357 if (np->linux_phandle == 0)
358 np->linux_phandle = np->node;
359 }
360 if (strcmp(pname, "ibm,phandle") == 0)
361 np->linux_phandle = *((u32 *)*p);
362 pp->name = pname;
363 pp->length = sz;
364 pp->value = (void *)*p;
365 *prev_pp = pp;
366 prev_pp = &pp->next;
367 }
368 *p = _ALIGN((*p) + sz, 4);
369 }
370 /* with version 0x10 we may not have the name property, recreate
371 * it here from the unit name if absent
372 */
373 if (!has_name) {
374 char *p = pathp, *ps = pathp, *pa = NULL;
375 int sz;
376
377 while (*p) {
378 if ((*p) == '@')
379 pa = p;
380 if ((*p) == '/')
381 ps = p + 1;
382 p++;
383 }
384 if (pa < ps)
385 pa = p;
386 sz = (pa - ps) + 1;
387 pp = unflatten_dt_alloc(&mem, sizeof(struct property) + sz,
388 __alignof__(struct property));
389 if (allnextpp) {
390 pp->name = "name";
391 pp->length = sz;
392 pp->value = pp + 1;
393 *prev_pp = pp;
394 prev_pp = &pp->next;
395 memcpy(pp->value, ps, sz - 1);
396 ((char *)pp->value)[sz - 1] = 0;
397 DBG("fixed up name for %s -> %s\n", pathp,
398 (char *)pp->value);
399 }
400 }
401 if (allnextpp) {
402 *prev_pp = NULL;
403 np->name = of_get_property(np, "name", NULL);
404 np->type = of_get_property(np, "device_type", NULL);
405
406 if (!np->name)
407 np->name = "<NULL>";
408 if (!np->type)
409 np->type = "<NULL>";
410 }
411 while (tag == OF_DT_BEGIN_NODE) {
412 mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize);
413 tag = *((u32 *)(*p));
414 }
415 if (tag != OF_DT_END_NODE) {
416 printk("Weird tag at end of node: %x\n", tag);
417 return mem;
418 }
419 *p += 4;
420 return mem;
421}
422
423static int __init early_parse_mem(char *p) 70static int __init early_parse_mem(char *p)
424{ 71{
425 if (!p) 72 if (!p)
@@ -446,7 +93,7 @@ static void __init move_device_tree(void)
446 DBG("-> move_device_tree\n"); 93 DBG("-> move_device_tree\n");
447 94
448 start = __pa(initial_boot_params); 95 start = __pa(initial_boot_params);
449 size = initial_boot_params->totalsize; 96 size = be32_to_cpu(initial_boot_params->totalsize);
450 97
451 if ((memory_limit && (start + size) > memory_limit) || 98 if ((memory_limit && (start + size) > memory_limit) ||
452 overlaps_crashkernel(start, size)) { 99 overlaps_crashkernel(start, size)) {
@@ -459,54 +106,6 @@ static void __init move_device_tree(void)
459 DBG("<- move_device_tree\n"); 106 DBG("<- move_device_tree\n");
460} 107}
461 108
462/**
463 * unflattens the device-tree passed by the firmware, creating the
464 * tree of struct device_node. It also fills the "name" and "type"
465 * pointers of the nodes so the normal device-tree walking functions
466 * can be used (this used to be done by finish_device_tree)
467 */
468void __init unflatten_device_tree(void)
469{
470 unsigned long start, mem, size;
471 struct device_node **allnextp = &allnodes;
472
473 DBG(" -> unflatten_device_tree()\n");
474
475 /* First pass, scan for size */
476 start = ((unsigned long)initial_boot_params) +
477 initial_boot_params->off_dt_struct;
478 size = unflatten_dt_node(0, &start, NULL, NULL, 0);
479 size = (size | 3) + 1;
480
481 DBG(" size is %lx, allocating...\n", size);
482
483 /* Allocate memory for the expanded device tree */
484 mem = lmb_alloc(size + 4, __alignof__(struct device_node));
485 mem = (unsigned long) __va(mem);
486
487 ((u32 *)mem)[size / 4] = 0xdeadbeef;
488
489 DBG(" unflattening %lx...\n", mem);
490
491 /* Second pass, do actual unflattening */
492 start = ((unsigned long)initial_boot_params) +
493 initial_boot_params->off_dt_struct;
494 unflatten_dt_node(mem, &start, NULL, &allnextp, 0);
495 if (*((u32 *)start) != OF_DT_END)
496 printk(KERN_WARNING "Weird tag at end of tree: %08x\n", *((u32 *)start));
497 if (((u32 *)mem)[size / 4] != 0xdeadbeef)
498 printk(KERN_WARNING "End of tree marker overwritten: %08x\n",
499 ((u32 *)mem)[size / 4] );
500 *allnextp = NULL;
501
502 /* Get pointer to OF "/chosen" node for use everywhere */
503 of_chosen = of_find_node_by_path("/chosen");
504 if (of_chosen == NULL)
505 of_chosen = of_find_node_by_path("/chosen@0");
506
507 DBG(" <- unflatten_device_tree()\n");
508}
509
510/* 109/*
511 * ibm,pa-features is a per-cpu property that contains a string of 110 * ibm,pa-features is a per-cpu property that contains a string of
512 * attribute descriptors, each of which has a 2 byte header plus up 111 * attribute descriptors, each of which has a 2 byte header plus up
@@ -763,48 +362,9 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
763 return 0; 362 return 0;
764} 363}
765 364
766#ifdef CONFIG_BLK_DEV_INITRD 365void __init early_init_dt_scan_chosen_arch(unsigned long node)
767static void __init early_init_dt_check_for_initrd(unsigned long node)
768{
769 unsigned long l;
770 u32 *prop;
771
772 DBG("Looking for initrd properties... ");
773
774 prop = of_get_flat_dt_prop(node, "linux,initrd-start", &l);
775 if (prop) {
776 initrd_start = (unsigned long)__va(of_read_ulong(prop, l/4));
777
778 prop = of_get_flat_dt_prop(node, "linux,initrd-end", &l);
779 if (prop) {
780 initrd_end = (unsigned long)
781 __va(of_read_ulong(prop, l/4));
782 initrd_below_start_ok = 1;
783 } else {
784 initrd_start = 0;
785 }
786 }
787
788 DBG("initrd_start=0x%lx initrd_end=0x%lx\n", initrd_start, initrd_end);
789}
790#else
791static inline void early_init_dt_check_for_initrd(unsigned long node)
792{
793}
794#endif /* CONFIG_BLK_DEV_INITRD */
795
796static int __init early_init_dt_scan_chosen(unsigned long node,
797 const char *uname, int depth, void *data)
798{ 366{
799 unsigned long *lprop; 367 unsigned long *lprop;
800 unsigned long l;
801 char *p;
802
803 DBG("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
804
805 if (depth != 1 ||
806 (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
807 return 0;
808 368
809#ifdef CONFIG_PPC64 369#ifdef CONFIG_PPC64
810 /* check if iommu is forced on or off */ 370 /* check if iommu is forced on or off */
@@ -815,17 +375,17 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
815#endif 375#endif
816 376
817 /* mem=x on the command line is the preferred mechanism */ 377 /* mem=x on the command line is the preferred mechanism */
818 lprop = of_get_flat_dt_prop(node, "linux,memory-limit", NULL); 378 lprop = of_get_flat_dt_prop(node, "linux,memory-limit", NULL);
819 if (lprop) 379 if (lprop)
820 memory_limit = *lprop; 380 memory_limit = *lprop;
821 381
822#ifdef CONFIG_PPC64 382#ifdef CONFIG_PPC64
823 lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-start", NULL); 383 lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-start", NULL);
824 if (lprop) 384 if (lprop)
825 tce_alloc_start = *lprop; 385 tce_alloc_start = *lprop;
826 lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-end", NULL); 386 lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
827 if (lprop) 387 if (lprop)
828 tce_alloc_end = *lprop; 388 tce_alloc_end = *lprop;
829#endif 389#endif
830 390
831#ifdef CONFIG_KEXEC 391#ifdef CONFIG_KEXEC
@@ -837,51 +397,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
837 if (lprop) 397 if (lprop)
838 crashk_res.end = crashk_res.start + *lprop - 1; 398 crashk_res.end = crashk_res.start + *lprop - 1;
839#endif 399#endif
840
841 early_init_dt_check_for_initrd(node);
842
843 /* Retreive command line */
844 p = of_get_flat_dt_prop(node, "bootargs", &l);
845 if (p != NULL && l > 0)
846 strlcpy(cmd_line, p, min((int)l, COMMAND_LINE_SIZE));
847
848#ifdef CONFIG_CMDLINE
849 if (p == NULL || l == 0 || (l == 1 && (*p) == 0))
850 strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
851#endif /* CONFIG_CMDLINE */
852
853 DBG("Command line is: %s\n", cmd_line);
854
855 /* break now */
856 return 1;
857}
858
859static int __init early_init_dt_scan_root(unsigned long node,
860 const char *uname, int depth, void *data)
861{
862 u32 *prop;
863
864 if (depth != 0)
865 return 0;
866
867 prop = of_get_flat_dt_prop(node, "#size-cells", NULL);
868 dt_root_size_cells = (prop == NULL) ? 1 : *prop;
869 DBG("dt_root_size_cells = %x\n", dt_root_size_cells);
870
871 prop = of_get_flat_dt_prop(node, "#address-cells", NULL);
872 dt_root_addr_cells = (prop == NULL) ? 2 : *prop;
873 DBG("dt_root_addr_cells = %x\n", dt_root_addr_cells);
874
875 /* break now */
876 return 1;
877}
878
879static u64 __init dt_mem_next_cell(int s, cell_t **cellp)
880{
881 cell_t *p = *cellp;
882
883 *cellp = p + s;
884 return of_read_number(p, s);
885} 400}
886 401
887#ifdef CONFIG_PPC_PSERIES 402#ifdef CONFIG_PPC_PSERIES
@@ -893,22 +408,22 @@ static u64 __init dt_mem_next_cell(int s, cell_t **cellp)
893 */ 408 */
894static int __init early_init_dt_scan_drconf_memory(unsigned long node) 409static int __init early_init_dt_scan_drconf_memory(unsigned long node)
895{ 410{
896 cell_t *dm, *ls, *usm; 411 __be32 *dm, *ls, *usm;
897 unsigned long l, n, flags; 412 unsigned long l, n, flags;
898 u64 base, size, lmb_size; 413 u64 base, size, lmb_size;
899 unsigned int is_kexec_kdump = 0, rngs; 414 unsigned int is_kexec_kdump = 0, rngs;
900 415
901 ls = of_get_flat_dt_prop(node, "ibm,lmb-size", &l); 416 ls = of_get_flat_dt_prop(node, "ibm,lmb-size", &l);
902 if (ls == NULL || l < dt_root_size_cells * sizeof(cell_t)) 417 if (ls == NULL || l < dt_root_size_cells * sizeof(__be32))
903 return 0; 418 return 0;
904 lmb_size = dt_mem_next_cell(dt_root_size_cells, &ls); 419 lmb_size = dt_mem_next_cell(dt_root_size_cells, &ls);
905 420
906 dm = of_get_flat_dt_prop(node, "ibm,dynamic-memory", &l); 421 dm = of_get_flat_dt_prop(node, "ibm,dynamic-memory", &l);
907 if (dm == NULL || l < sizeof(cell_t)) 422 if (dm == NULL || l < sizeof(__be32))
908 return 0; 423 return 0;
909 424
910 n = *dm++; /* number of entries */ 425 n = *dm++; /* number of entries */
911 if (l < (n * (dt_root_addr_cells + 4) + 1) * sizeof(cell_t)) 426 if (l < (n * (dt_root_addr_cells + 4) + 1) * sizeof(__be32))
912 return 0; 427 return 0;
913 428
914 /* check if this is a kexec/kdump kernel. */ 429 /* check if this is a kexec/kdump kernel. */
@@ -963,65 +478,47 @@ static int __init early_init_dt_scan_drconf_memory(unsigned long node)
963#define early_init_dt_scan_drconf_memory(node) 0 478#define early_init_dt_scan_drconf_memory(node) 0
964#endif /* CONFIG_PPC_PSERIES */ 479#endif /* CONFIG_PPC_PSERIES */
965 480
966static int __init early_init_dt_scan_memory(unsigned long node, 481static int __init early_init_dt_scan_memory_ppc(unsigned long node,
967 const char *uname, int depth, void *data) 482 const char *uname,
483 int depth, void *data)
968{ 484{
969 char *type = of_get_flat_dt_prop(node, "device_type", NULL);
970 cell_t *reg, *endp;
971 unsigned long l;
972
973 /* Look for the ibm,dynamic-reconfiguration-memory node */
974 if (depth == 1 && 485 if (depth == 1 &&
975 strcmp(uname, "ibm,dynamic-reconfiguration-memory") == 0) 486 strcmp(uname, "ibm,dynamic-reconfiguration-memory") == 0)
976 return early_init_dt_scan_drconf_memory(node); 487 return early_init_dt_scan_drconf_memory(node);
488
489 return early_init_dt_scan_memory(node, uname, depth, data);
490}
977 491
978 /* We are scanning "memory" nodes only */ 492void __init early_init_dt_add_memory_arch(u64 base, u64 size)
979 if (type == NULL) { 493{
980 /* 494#if defined(CONFIG_PPC64)
981 * The longtrail doesn't have a device_type on the 495 if (iommu_is_off) {
982 * /memory node, so look for the node called /memory@0. 496 if (base >= 0x80000000ul)
983 */ 497 return;
984 if (depth != 1 || strcmp(uname, "memory@0") != 0) 498 if ((base + size) > 0x80000000ul)
985 return 0; 499 size = 0x80000000ul - base;
986 } else if (strcmp(type, "memory") != 0) 500 }
987 return 0; 501#endif
988
989 reg = of_get_flat_dt_prop(node, "linux,usable-memory", &l);
990 if (reg == NULL)
991 reg = of_get_flat_dt_prop(node, "reg", &l);
992 if (reg == NULL)
993 return 0;
994
995 endp = reg + (l / sizeof(cell_t));
996
997 DBG("memory scan node %s, reg size %ld, data: %x %x %x %x,\n",
998 uname, l, reg[0], reg[1], reg[2], reg[3]);
999
1000 while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
1001 u64 base, size;
1002 502
1003 base = dt_mem_next_cell(dt_root_addr_cells, &reg); 503 lmb_add(base, size);
1004 size = dt_mem_next_cell(dt_root_size_cells, &reg);
1005 504
1006 if (size == 0) 505 memstart_addr = min((u64)memstart_addr, base);
1007 continue; 506}
1008 DBG(" - %llx , %llx\n", (unsigned long long)base,
1009 (unsigned long long)size);
1010#ifdef CONFIG_PPC64
1011 if (iommu_is_off) {
1012 if (base >= 0x80000000ul)
1013 continue;
1014 if ((base + size) > 0x80000000ul)
1015 size = 0x80000000ul - base;
1016 }
1017#endif
1018 lmb_add(base, size);
1019 507
1020 memstart_addr = min((u64)memstart_addr, base); 508u64 __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
1021 } 509{
510 return lmb_alloc(size, align);
511}
1022 512
1023 return 0; 513#ifdef CONFIG_BLK_DEV_INITRD
514void __init early_init_dt_setup_initrd_arch(unsigned long start,
515 unsigned long end)
516{
517 initrd_start = (unsigned long)__va(start);
518 initrd_end = (unsigned long)__va(end);
519 initrd_below_start_ok = 1;
1024} 520}
521#endif
1025 522
1026static void __init early_reserve_mem(void) 523static void __init early_reserve_mem(void)
1027{ 524{
@@ -1186,7 +683,7 @@ void __init early_init_devtree(void *params)
1186 /* Scan memory nodes and rebuild LMBs */ 683 /* Scan memory nodes and rebuild LMBs */
1187 lmb_init(); 684 lmb_init();
1188 of_scan_flat_dt(early_init_dt_scan_root, NULL); 685 of_scan_flat_dt(early_init_dt_scan_root, NULL);
1189 of_scan_flat_dt(early_init_dt_scan_memory, NULL); 686 of_scan_flat_dt(early_init_dt_scan_memory_ppc, NULL);
1190 687
1191 /* Save command line for /proc/cmdline and then parse parameters */ 688 /* Save command line for /proc/cmdline and then parse parameters */
1192 strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); 689 strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
@@ -1234,25 +731,6 @@ void __init early_init_devtree(void *params)
1234 DBG(" <- early_init_devtree()\n"); 731 DBG(" <- early_init_devtree()\n");
1235} 732}
1236 733
1237
1238/**
1239 * Indicates whether the root node has a given value in its
1240 * compatible property.
1241 */
1242int machine_is_compatible(const char *compat)
1243{
1244 struct device_node *root;
1245 int rc = 0;
1246
1247 root = of_find_node_by_path("/");
1248 if (root) {
1249 rc = of_device_is_compatible(root, compat);
1250 of_node_put(root);
1251 }
1252 return rc;
1253}
1254EXPORT_SYMBOL(machine_is_compatible);
1255
1256/******* 734/*******
1257 * 735 *
1258 * New implementation of the OF "find" APIs, return a refcounted 736 * New implementation of the OF "find" APIs, return a refcounted
@@ -1265,27 +743,6 @@ EXPORT_SYMBOL(machine_is_compatible);
1265 *******/ 743 *******/
1266 744
1267/** 745/**
1268 * of_find_node_by_phandle - Find a node given a phandle
1269 * @handle: phandle of the node to find
1270 *
1271 * Returns a node pointer with refcount incremented, use
1272 * of_node_put() on it when done.
1273 */
1274struct device_node *of_find_node_by_phandle(phandle handle)
1275{
1276 struct device_node *np;
1277
1278 read_lock(&devtree_lock);
1279 for (np = allnodes; np != 0; np = np->allnext)
1280 if (np->linux_phandle == handle)
1281 break;
1282 of_node_get(np);
1283 read_unlock(&devtree_lock);
1284 return np;
1285}
1286EXPORT_SYMBOL(of_find_node_by_phandle);
1287
1288/**
1289 * of_find_next_cache_node - Find a node's subsidiary cache 746 * of_find_next_cache_node - Find a node's subsidiary cache
1290 * @np: node of type "cpu" or "cache" 747 * @np: node of type "cpu" or "cache"
1291 * 748 *
@@ -1316,138 +773,6 @@ struct device_node *of_find_next_cache_node(struct device_node *np)
1316 return NULL; 773 return NULL;
1317} 774}
1318 775
1319/**
1320 * of_node_get - Increment refcount of a node
1321 * @node: Node to inc refcount, NULL is supported to
1322 * simplify writing of callers
1323 *
1324 * Returns node.
1325 */
1326struct device_node *of_node_get(struct device_node *node)
1327{
1328 if (node)
1329 kref_get(&node->kref);
1330 return node;
1331}
1332EXPORT_SYMBOL(of_node_get);
1333
1334static inline struct device_node * kref_to_device_node(struct kref *kref)
1335{
1336 return container_of(kref, struct device_node, kref);
1337}
1338
1339/**
1340 * of_node_release - release a dynamically allocated node
1341 * @kref: kref element of the node to be released
1342 *
1343 * In of_node_put() this function is passed to kref_put()
1344 * as the destructor.
1345 */
1346static void of_node_release(struct kref *kref)
1347{
1348 struct device_node *node = kref_to_device_node(kref);
1349 struct property *prop = node->properties;
1350
1351 /* We should never be releasing nodes that haven't been detached. */
1352 if (!of_node_check_flag(node, OF_DETACHED)) {
1353 printk("WARNING: Bad of_node_put() on %s\n", node->full_name);
1354 dump_stack();
1355 kref_init(&node->kref);
1356 return;
1357 }
1358
1359 if (!of_node_check_flag(node, OF_DYNAMIC))
1360 return;
1361
1362 while (prop) {
1363 struct property *next = prop->next;
1364 kfree(prop->name);
1365 kfree(prop->value);
1366 kfree(prop);
1367 prop = next;
1368
1369 if (!prop) {
1370 prop = node->deadprops;
1371 node->deadprops = NULL;
1372 }
1373 }
1374 kfree(node->full_name);
1375 kfree(node->data);
1376 kfree(node);
1377}
1378
1379/**
1380 * of_node_put - Decrement refcount of a node
1381 * @node: Node to dec refcount, NULL is supported to
1382 * simplify writing of callers
1383 *
1384 */
1385void of_node_put(struct device_node *node)
1386{
1387 if (node)
1388 kref_put(&node->kref, of_node_release);
1389}
1390EXPORT_SYMBOL(of_node_put);
1391
1392/*
1393 * Plug a device node into the tree and global list.
1394 */
1395void of_attach_node(struct device_node *np)
1396{
1397 unsigned long flags;
1398
1399 write_lock_irqsave(&devtree_lock, flags);
1400 np->sibling = np->parent->child;
1401 np->allnext = allnodes;
1402 np->parent->child = np;
1403 allnodes = np;
1404 write_unlock_irqrestore(&devtree_lock, flags);
1405}
1406
1407/*
1408 * "Unplug" a node from the device tree. The caller must hold
1409 * a reference to the node. The memory associated with the node
1410 * is not freed until its refcount goes to zero.
1411 */
1412void of_detach_node(struct device_node *np)
1413{
1414 struct device_node *parent;
1415 unsigned long flags;
1416
1417 write_lock_irqsave(&devtree_lock, flags);
1418
1419 parent = np->parent;
1420 if (!parent)
1421 goto out_unlock;
1422
1423 if (allnodes == np)
1424 allnodes = np->allnext;
1425 else {
1426 struct device_node *prev;
1427 for (prev = allnodes;
1428 prev->allnext != np;
1429 prev = prev->allnext)
1430 ;
1431 prev->allnext = np->allnext;
1432 }
1433
1434 if (parent->child == np)
1435 parent->child = np->sibling;
1436 else {
1437 struct device_node *prevsib;
1438 for (prevsib = np->parent->child;
1439 prevsib->sibling != np;
1440 prevsib = prevsib->sibling)
1441 ;
1442 prevsib->sibling = np->sibling;
1443 }
1444
1445 of_node_set_flag(np, OF_DETACHED);
1446
1447out_unlock:
1448 write_unlock_irqrestore(&devtree_lock, flags);
1449}
1450
1451#ifdef CONFIG_PPC_PSERIES 776#ifdef CONFIG_PPC_PSERIES
1452/* 777/*
1453 * Fix up the uninitialized fields in a new device node: 778 * Fix up the uninitialized fields in a new device node:
@@ -1479,9 +804,9 @@ static int of_finish_dynamic_node(struct device_node *node)
1479 if (machine_is(powermac)) 804 if (machine_is(powermac))
1480 return -ENODEV; 805 return -ENODEV;
1481 806
1482 /* fix up new node's linux_phandle field */ 807 /* fix up new node's phandle field */
1483 if ((ibm_phandle = of_get_property(node, "ibm,phandle", NULL))) 808 if ((ibm_phandle = of_get_property(node, "ibm,phandle", NULL)))
1484 node->linux_phandle = *ibm_phandle; 809 node->phandle = *ibm_phandle;
1485 810
1486out: 811out:
1487 of_node_put(parent); 812 of_node_put(parent);
@@ -1520,120 +845,6 @@ static int __init prom_reconfig_setup(void)
1520__initcall(prom_reconfig_setup); 845__initcall(prom_reconfig_setup);
1521#endif 846#endif
1522 847
1523/*
1524 * Add a property to a node
1525 */
1526int prom_add_property(struct device_node* np, struct property* prop)
1527{
1528 struct property **next;
1529 unsigned long flags;
1530
1531 prop->next = NULL;
1532 write_lock_irqsave(&devtree_lock, flags);
1533 next = &np->properties;
1534 while (*next) {
1535 if (strcmp(prop->name, (*next)->name) == 0) {
1536 /* duplicate ! don't insert it */
1537 write_unlock_irqrestore(&devtree_lock, flags);
1538 return -1;
1539 }
1540 next = &(*next)->next;
1541 }
1542 *next = prop;
1543 write_unlock_irqrestore(&devtree_lock, flags);
1544
1545#ifdef CONFIG_PROC_DEVICETREE
1546 /* try to add to proc as well if it was initialized */
1547 if (np->pde)
1548 proc_device_tree_add_prop(np->pde, prop);
1549#endif /* CONFIG_PROC_DEVICETREE */
1550
1551 return 0;
1552}
1553
1554/*
1555 * Remove a property from a node. Note that we don't actually
1556 * remove it, since we have given out who-knows-how-many pointers
1557 * to the data using get-property. Instead we just move the property
1558 * to the "dead properties" list, so it won't be found any more.
1559 */
1560int prom_remove_property(struct device_node *np, struct property *prop)
1561{
1562 struct property **next;
1563 unsigned long flags;
1564 int found = 0;
1565
1566 write_lock_irqsave(&devtree_lock, flags);
1567 next = &np->properties;
1568 while (*next) {
1569 if (*next == prop) {
1570 /* found the node */
1571 *next = prop->next;
1572 prop->next = np->deadprops;
1573 np->deadprops = prop;
1574 found = 1;
1575 break;
1576 }
1577 next = &(*next)->next;
1578 }
1579 write_unlock_irqrestore(&devtree_lock, flags);
1580
1581 if (!found)
1582 return -ENODEV;
1583
1584#ifdef CONFIG_PROC_DEVICETREE
1585 /* try to remove the proc node as well */
1586 if (np->pde)
1587 proc_device_tree_remove_prop(np->pde, prop);
1588#endif /* CONFIG_PROC_DEVICETREE */
1589
1590 return 0;
1591}
1592
1593/*
1594 * Update a property in a node. Note that we don't actually
1595 * remove it, since we have given out who-knows-how-many pointers
1596 * to the data using get-property. Instead we just move the property
1597 * to the "dead properties" list, and add the new property to the
1598 * property list
1599 */
1600int prom_update_property(struct device_node *np,
1601 struct property *newprop,
1602 struct property *oldprop)
1603{
1604 struct property **next;
1605 unsigned long flags;
1606 int found = 0;
1607
1608 write_lock_irqsave(&devtree_lock, flags);
1609 next = &np->properties;
1610 while (*next) {
1611 if (*next == oldprop) {
1612 /* found the node */
1613 newprop->next = oldprop->next;
1614 *next = newprop;
1615 oldprop->next = np->deadprops;
1616 np->deadprops = oldprop;
1617 found = 1;
1618 break;
1619 }
1620 next = &(*next)->next;
1621 }
1622 write_unlock_irqrestore(&devtree_lock, flags);
1623
1624 if (!found)
1625 return -ENODEV;
1626
1627#ifdef CONFIG_PROC_DEVICETREE
1628 /* try to add to proc as well if it was initialized */
1629 if (np->pde)
1630 proc_device_tree_update_prop(np->pde, newprop, oldprop);
1631#endif /* CONFIG_PROC_DEVICETREE */
1632
1633 return 0;
1634}
1635
1636
1637/* Find the device node for a given logical cpu number, also returns the cpu 848/* Find the device node for a given logical cpu number, also returns the cpu
1638 * local thread number (index in ibm,interrupt-server#s) if relevant and 849 * local thread number (index in ibm,interrupt-server#s) if relevant and
1639 * asked for (non NULL) 850 * asked for (non NULL)
diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
index 1b426050a2f9..0125604d096e 100644
--- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c
+++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
@@ -80,8 +80,8 @@ static void xes_mpc85xx_configure_l2(void __iomem *l2_base)
80 printk(KERN_INFO "xes_mpc85xx: Enabling L2 as cache\n"); 80 printk(KERN_INFO "xes_mpc85xx: Enabling L2 as cache\n");
81 81
82 ctl = MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2I; 82 ctl = MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2I;
83 if (machine_is_compatible("MPC8540") || 83 if (of_machine_is_compatible("MPC8540") ||
84 machine_is_compatible("MPC8560")) 84 of_machine_is_compatible("MPC8560"))
85 /* 85 /*
86 * Assume L2 SRAM is used fully for cache, so set 86 * Assume L2 SRAM is used fully for cache, so set
87 * L2BLKSZ (bits 4:5) to match L2SIZ (bits 2:3). 87 * L2BLKSZ (bits 4:5) to match L2SIZ (bits 2:3).
diff --git a/arch/powerpc/platforms/cell/cbe_powerbutton.c b/arch/powerpc/platforms/cell/cbe_powerbutton.c
index dcddaa5fcb66..f75a4daa4ca2 100644
--- a/arch/powerpc/platforms/cell/cbe_powerbutton.c
+++ b/arch/powerpc/platforms/cell/cbe_powerbutton.c
@@ -48,7 +48,7 @@ static int __init cbe_powerbutton_init(void)
48 int ret = 0; 48 int ret = 0;
49 struct input_dev *dev; 49 struct input_dev *dev;
50 50
51 if (!machine_is_compatible("IBM,CBPLUS-1.0")) { 51 if (!of_machine_is_compatible("IBM,CBPLUS-1.0")) {
52 printk(KERN_ERR "%s: Not a cell blade.\n", __func__); 52 printk(KERN_ERR "%s: Not a cell blade.\n", __func__);
53 ret = -ENODEV; 53 ret = -ENODEV;
54 goto out; 54 goto out;
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 5e0a191764fc..608fd2b584c9 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -255,7 +255,7 @@ static int __init cbe_sysreset_init(void)
255{ 255{
256 struct cbe_pmd_regs __iomem *regs; 256 struct cbe_pmd_regs __iomem *regs;
257 257
258 sysreset_hack = machine_is_compatible("IBM,CBPLUS-1.0"); 258 sysreset_hack = of_machine_is_compatible("IBM,CBPLUS-1.0");
259 if (!sysreset_hack) 259 if (!sysreset_hack)
260 return 0; 260 return 0;
261 261
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index 4c506c1463cd..891f18e337a2 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -457,7 +457,7 @@ neighbour_spu(int cbe, struct device_node *target, struct device_node *avoid)
457 continue; 457 continue;
458 vic_handles = of_get_property(spu_dn, "vicinity", &lenp); 458 vic_handles = of_get_property(spu_dn, "vicinity", &lenp);
459 for (i=0; i < (lenp / sizeof(phandle)); i++) { 459 for (i=0; i < (lenp / sizeof(phandle)); i++) {
460 if (vic_handles[i] == target->linux_phandle) 460 if (vic_handles[i] == target->phandle)
461 return spu; 461 return spu;
462 } 462 }
463 } 463 }
@@ -499,7 +499,7 @@ static void init_affinity_node(int cbe)
499 499
500 if (strcmp(name, "spe") == 0) { 500 if (strcmp(name, "spe") == 0) {
501 spu = devnode_spu(cbe, vic_dn); 501 spu = devnode_spu(cbe, vic_dn);
502 avoid_ph = last_spu_dn->linux_phandle; 502 avoid_ph = last_spu_dn->phandle;
503 } else { 503 } else {
504 /* 504 /*
505 * "mic-tm" and "bif0" nodes do not have 505 * "mic-tm" and "bif0" nodes do not have
@@ -514,7 +514,7 @@ static void init_affinity_node(int cbe)
514 last_spu->has_mem_affinity = 1; 514 last_spu->has_mem_affinity = 1;
515 spu->has_mem_affinity = 1; 515 spu->has_mem_affinity = 1;
516 } 516 }
517 avoid_ph = vic_dn->linux_phandle; 517 avoid_ph = vic_dn->phandle;
518 } 518 }
519 519
520 list_add_tail(&spu->aff_list, &last_spu->aff_list); 520 list_add_tail(&spu->aff_list, &last_spu->aff_list);
diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c
index be2527a516ea..d35e0520abf0 100644
--- a/arch/powerpc/platforms/pasemi/cpufreq.c
+++ b/arch/powerpc/platforms/pasemi/cpufreq.c
@@ -304,8 +304,8 @@ static struct cpufreq_driver pas_cpufreq_driver = {
304 304
305static int __init pas_cpufreq_init(void) 305static int __init pas_cpufreq_init(void)
306{ 306{
307 if (!machine_is_compatible("PA6T-1682M") && 307 if (!of_machine_is_compatible("PA6T-1682M") &&
308 !machine_is_compatible("pasemi,pwrficient")) 308 !of_machine_is_compatible("pasemi,pwrficient"))
309 return -ENODEV; 309 return -ENODEV;
310 310
311 return cpufreq_register_driver(&pas_cpufreq_driver); 311 return cpufreq_register_driver(&pas_cpufreq_driver);
diff --git a/arch/powerpc/platforms/powermac/cpufreq_32.c b/arch/powerpc/platforms/powermac/cpufreq_32.c
index 08d94e4cedd3..d4f127d18141 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_32.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_32.c
@@ -657,31 +657,31 @@ static int __init pmac_cpufreq_setup(void)
657 cur_freq = (*value) / 1000; 657 cur_freq = (*value) / 1000;
658 658
659 /* Check for 7447A based MacRISC3 */ 659 /* Check for 7447A based MacRISC3 */
660 if (machine_is_compatible("MacRISC3") && 660 if (of_machine_is_compatible("MacRISC3") &&
661 of_get_property(cpunode, "dynamic-power-step", NULL) && 661 of_get_property(cpunode, "dynamic-power-step", NULL) &&
662 PVR_VER(mfspr(SPRN_PVR)) == 0x8003) { 662 PVR_VER(mfspr(SPRN_PVR)) == 0x8003) {
663 pmac_cpufreq_init_7447A(cpunode); 663 pmac_cpufreq_init_7447A(cpunode);
664 /* Check for other MacRISC3 machines */ 664 /* Check for other MacRISC3 machines */
665 } else if (machine_is_compatible("PowerBook3,4") || 665 } else if (of_machine_is_compatible("PowerBook3,4") ||
666 machine_is_compatible("PowerBook3,5") || 666 of_machine_is_compatible("PowerBook3,5") ||
667 machine_is_compatible("MacRISC3")) { 667 of_machine_is_compatible("MacRISC3")) {
668 pmac_cpufreq_init_MacRISC3(cpunode); 668 pmac_cpufreq_init_MacRISC3(cpunode);
669 /* Else check for iBook2 500/600 */ 669 /* Else check for iBook2 500/600 */
670 } else if (machine_is_compatible("PowerBook4,1")) { 670 } else if (of_machine_is_compatible("PowerBook4,1")) {
671 hi_freq = cur_freq; 671 hi_freq = cur_freq;
672 low_freq = 400000; 672 low_freq = 400000;
673 set_speed_proc = pmu_set_cpu_speed; 673 set_speed_proc = pmu_set_cpu_speed;
674 is_pmu_based = 1; 674 is_pmu_based = 1;
675 } 675 }
676 /* Else check for TiPb 550 */ 676 /* Else check for TiPb 550 */
677 else if (machine_is_compatible("PowerBook3,3") && cur_freq == 550000) { 677 else if (of_machine_is_compatible("PowerBook3,3") && cur_freq == 550000) {
678 hi_freq = cur_freq; 678 hi_freq = cur_freq;
679 low_freq = 500000; 679 low_freq = 500000;
680 set_speed_proc = pmu_set_cpu_speed; 680 set_speed_proc = pmu_set_cpu_speed;
681 is_pmu_based = 1; 681 is_pmu_based = 1;
682 } 682 }
683 /* Else check for TiPb 400 & 500 */ 683 /* Else check for TiPb 400 & 500 */
684 else if (machine_is_compatible("PowerBook3,2")) { 684 else if (of_machine_is_compatible("PowerBook3,2")) {
685 /* We only know about the 400 MHz and the 500Mhz model 685 /* We only know about the 400 MHz and the 500Mhz model
686 * they both have 300 MHz as low frequency 686 * they both have 300 MHz as low frequency
687 */ 687 */
diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
index 708c75133377..3ed288e68ec4 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -398,11 +398,11 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
398 int rc = -ENODEV; 398 int rc = -ENODEV;
399 399
400 /* Check supported platforms */ 400 /* Check supported platforms */
401 if (machine_is_compatible("PowerMac8,1") || 401 if (of_machine_is_compatible("PowerMac8,1") ||
402 machine_is_compatible("PowerMac8,2") || 402 of_machine_is_compatible("PowerMac8,2") ||
403 machine_is_compatible("PowerMac9,1")) 403 of_machine_is_compatible("PowerMac9,1"))
404 use_volts_smu = 1; 404 use_volts_smu = 1;
405 else if (machine_is_compatible("PowerMac11,2")) 405 else if (of_machine_is_compatible("PowerMac11,2"))
406 use_volts_vdnap = 1; 406 use_volts_vdnap = 1;
407 else 407 else
408 return -ENODEV; 408 return -ENODEV;
@@ -729,9 +729,9 @@ static int __init g5_cpufreq_init(void)
729 return -ENODEV; 729 return -ENODEV;
730 } 730 }
731 731
732 if (machine_is_compatible("PowerMac7,2") || 732 if (of_machine_is_compatible("PowerMac7,2") ||
733 machine_is_compatible("PowerMac7,3") || 733 of_machine_is_compatible("PowerMac7,3") ||
734 machine_is_compatible("RackMac3,1")) 734 of_machine_is_compatible("RackMac3,1"))
735 rc = g5_pm72_cpufreq_init(cpus); 735 rc = g5_pm72_cpufreq_init(cpus);
736#ifdef CONFIG_PMAC_SMU 736#ifdef CONFIG_PMAC_SMU
737 else 737 else
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index fbc9bbd74dbd..33e815f4466c 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2426,7 +2426,7 @@ static int __init probe_motherboard(void)
2426 } 2426 }
2427 } 2427 }
2428 for(i=0; i<ARRAY_SIZE(pmac_mb_defs); i++) { 2428 for(i=0; i<ARRAY_SIZE(pmac_mb_defs); i++) {
2429 if (machine_is_compatible(pmac_mb_defs[i].model_string)) { 2429 if (of_machine_is_compatible(pmac_mb_defs[i].model_string)) {
2430 pmac_mb = pmac_mb_defs[i]; 2430 pmac_mb = pmac_mb_defs[i];
2431 goto found; 2431 goto found;
2432 } 2432 }
diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index 96d5ce50364e..ede49e78a8da 100644
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -842,7 +842,7 @@ struct pmf_function *__pmf_find_function(struct device_node *target,
842 list_for_each_entry(func, &dev->functions, link) { 842 list_for_each_entry(func, &dev->functions, link) {
843 if (name && strcmp(name, func->name)) 843 if (name && strcmp(name, func->name))
844 continue; 844 continue;
845 if (func->phandle && target->node != func->phandle) 845 if (func->phandle && target->phandle != func->phandle)
846 continue; 846 continue;
847 if ((func->flags & flags) == 0) 847 if ((func->flags & flags) == 0)
848 continue; 848 continue;
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index b40c22d697f0..6898e8241cd0 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -693,9 +693,9 @@ static void __init smp_core99_setup(int ncpus)
693#ifdef CONFIG_PPC64 693#ifdef CONFIG_PPC64
694 694
695 /* i2c based HW sync on some G5s */ 695 /* i2c based HW sync on some G5s */
696 if (machine_is_compatible("PowerMac7,2") || 696 if (of_machine_is_compatible("PowerMac7,2") ||
697 machine_is_compatible("PowerMac7,3") || 697 of_machine_is_compatible("PowerMac7,3") ||
698 machine_is_compatible("RackMac3,1")) 698 of_machine_is_compatible("RackMac3,1"))
699 smp_core99_setup_i2c_hwsync(ncpus); 699 smp_core99_setup_i2c_hwsync(ncpus);
700 700
701 /* pfunc based HW sync on recent G5s */ 701 /* pfunc based HW sync on recent G5s */
@@ -713,7 +713,7 @@ static void __init smp_core99_setup(int ncpus)
713#else /* CONFIG_PPC64 */ 713#else /* CONFIG_PPC64 */
714 714
715 /* GPIO based HW sync on ppc32 Core99 */ 715 /* GPIO based HW sync on ppc32 Core99 */
716 if (pmac_tb_freeze == NULL && !machine_is_compatible("MacRISC4")) { 716 if (pmac_tb_freeze == NULL && !of_machine_is_compatible("MacRISC4")) {
717 struct device_node *cpu; 717 struct device_node *cpu;
718 const u32 *tbprop = NULL; 718 const u32 *tbprop = NULL;
719 719
@@ -750,7 +750,7 @@ static void __init smp_core99_setup(int ncpus)
750#endif 750#endif
751 751
752 /* 32 bits SMP can't NAP */ 752 /* 32 bits SMP can't NAP */
753 if (!machine_is_compatible("MacRISC4")) 753 if (!of_machine_is_compatible("MacRISC4"))
754 powersave_nap = 0; 754 powersave_nap = 0;
755} 755}
756 756
@@ -852,7 +852,7 @@ static void __devinit smp_core99_setup_cpu(int cpu_nr)
852 /* If we didn't start the second CPU, we must take 852 /* If we didn't start the second CPU, we must take
853 * it off the bus 853 * it off the bus
854 */ 854 */
855 if (machine_is_compatible("MacRISC4") && 855 if (of_machine_is_compatible("MacRISC4") &&
856 num_online_cpus() < 2) 856 num_online_cpus() < 2)
857 g5_phy_disable_cpu1(); 857 g5_phy_disable_cpu1();
858#endif /* CONFIG_PPC64 */ 858#endif /* CONFIG_PPC64 */
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 1810e4226e56..48211ca134c3 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -317,9 +317,9 @@ void __init pmac_calibrate_decr(void)
317 * calibration. That's better since the VIA itself seems 317 * calibration. That's better since the VIA itself seems
318 * to be slightly off. --BenH 318 * to be slightly off. --BenH
319 */ 319 */
320 if (!machine_is_compatible("MacRISC2") && 320 if (!of_machine_is_compatible("MacRISC2") &&
321 !machine_is_compatible("MacRISC3") && 321 !of_machine_is_compatible("MacRISC3") &&
322 !machine_is_compatible("MacRISC4")) 322 !of_machine_is_compatible("MacRISC4"))
323 if (via_calibrate_decr()) 323 if (via_calibrate_decr())
324 return; 324 return;
325 325
@@ -328,7 +328,7 @@ void __init pmac_calibrate_decr(void)
328 * probably implement calibration based on the KL timer on these 328 * probably implement calibration based on the KL timer on these
329 * machines anyway... -BenH 329 * machines anyway... -BenH
330 */ 330 */
331 if (machine_is_compatible("PowerMac3,5")) 331 if (of_machine_is_compatible("PowerMac3,5"))
332 if (via_calibrate_decr()) 332 if (via_calibrate_decr())
333 return; 333 return;
334#endif 334#endif
diff --git a/arch/powerpc/platforms/powermac/udbg_scc.c b/arch/powerpc/platforms/powermac/udbg_scc.c
index 9490157da62e..d83135a9830e 100644
--- a/arch/powerpc/platforms/powermac/udbg_scc.c
+++ b/arch/powerpc/platforms/powermac/udbg_scc.c
@@ -132,9 +132,9 @@ void udbg_scc_init(int force_scc)
132 scc_inittab[1] = in_8(sccc); 132 scc_inittab[1] = in_8(sccc);
133 out_8(sccc, 12); 133 out_8(sccc, 12);
134 scc_inittab[3] = in_8(sccc); 134 scc_inittab[3] = in_8(sccc);
135 } else if (machine_is_compatible("RackMac1,1") 135 } else if (of_machine_is_compatible("RackMac1,1")
136 || machine_is_compatible("RackMac1,2") 136 || of_machine_is_compatible("RackMac1,2")
137 || machine_is_compatible("MacRISC4")) { 137 || of_machine_is_compatible("MacRISC4")) {
138 /* Xserves and G5s default to 57600 */ 138 /* Xserves and G5s default to 57600 */
139 scc_inittab[1] = 0; 139 scc_inittab[1] = 0;
140 scc_inittab[3] = 0; 140 scc_inittab[3] = 0;
diff --git a/arch/powerpc/sysdev/grackle.c b/arch/powerpc/sysdev/grackle.c
index 5da37c2f22ee..cf27df6e508b 100644
--- a/arch/powerpc/sysdev/grackle.c
+++ b/arch/powerpc/sysdev/grackle.c
@@ -56,9 +56,9 @@ static inline void grackle_set_loop_snoop(struct pci_controller *bp, int enable)
56void __init setup_grackle(struct pci_controller *hose) 56void __init setup_grackle(struct pci_controller *hose)
57{ 57{
58 setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0); 58 setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0);
59 if (machine_is_compatible("PowerMac1,1")) 59 if (of_machine_is_compatible("PowerMac1,1"))
60 ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS); 60 ppc_pci_add_flags(PPC_PCI_REASSIGN_ALL_BUS);
61 if (machine_is_compatible("AAPL,PowerBook1998")) 61 if (of_machine_is_compatible("AAPL,PowerBook1998"))
62 grackle_set_loop_snoop(hose, 1); 62 grackle_set_loop_snoop(hose, 1);
63#if 0 /* Disabled for now, HW problems ??? */ 63#if 0 /* Disabled for now, HW problems ??? */
64 grackle_set_stg(hose, 1); 64 grackle_set_stg(hose, 1);
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c
index b171ae8de90d..b062de9424a4 100644
--- a/arch/sparc/kernel/devices.c
+++ b/arch/sparc/kernel/devices.c
@@ -59,7 +59,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
59 59
60 cur_inst = 0; 60 cur_inst = 0;
61 for_each_node_by_type(dp, "cpu") { 61 for_each_node_by_type(dp, "cpu") {
62 int err = check_cpu_node(dp->node, &cur_inst, 62 int err = check_cpu_node(dp->phandle, &cur_inst,
63 compare, compare_arg, 63 compare, compare_arg,
64 prom_node, mid); 64 prom_node, mid);
65 if (!err) { 65 if (!err) {
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 53a58b349849..da527b33ebc7 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -433,7 +433,7 @@ build_resources:
433 if (!parent) 433 if (!parent)
434 dev_set_name(&op->dev, "root"); 434 dev_set_name(&op->dev, "root");
435 else 435 else
436 dev_set_name(&op->dev, "%08x", dp->node); 436 dev_set_name(&op->dev, "%08x", dp->phandle);
437 437
438 if (of_device_register(op)) { 438 if (of_device_register(op)) {
439 printk("%s: Could not register of device.\n", 439 printk("%s: Could not register of device.\n",
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 0a6f2d1798d1..b3d4cb5d21b3 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -676,7 +676,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
676 if (!parent) 676 if (!parent)
677 dev_set_name(&op->dev, "root"); 677 dev_set_name(&op->dev, "root");
678 else 678 else
679 dev_set_name(&op->dev, "%08x", dp->node); 679 dev_set_name(&op->dev, "%08x", dp->phandle);
680 680
681 if (of_device_register(op)) { 681 if (of_device_register(op)) {
682 printk("%s: Could not register of device.\n", 682 printk("%s: Could not register of device.\n",
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index 453397fe5e14..a8591ef2636d 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -4,9 +4,6 @@
4#include <linux/spinlock.h> 4#include <linux/spinlock.h>
5#include <asm/prom.h> 5#include <asm/prom.h>
6 6
7extern struct device_node *allnodes; /* temporary while merging */
8extern rwlock_t devtree_lock; /* temporary while merging */
9
10extern void * prom_early_alloc(unsigned long size); 7extern void * prom_early_alloc(unsigned long size);
11extern void irq_trans_init(struct device_node *dp); 8extern void irq_trans_init(struct device_node *dp);
12 9
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index d80a65d9e893..57ac9e28be0c 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -37,18 +37,6 @@ EXPORT_SYMBOL(of_console_path);
37char *of_console_options; 37char *of_console_options;
38EXPORT_SYMBOL(of_console_options); 38EXPORT_SYMBOL(of_console_options);
39 39
40struct device_node *of_find_node_by_phandle(phandle handle)
41{
42 struct device_node *np;
43
44 for (np = allnodes; np; np = np->allnext)
45 if (np->node == handle)
46 break;
47
48 return np;
49}
50EXPORT_SYMBOL(of_find_node_by_phandle);
51
52int of_getintprop_default(struct device_node *np, const char *name, int def) 40int of_getintprop_default(struct device_node *np, const char *name, int def)
53{ 41{
54 struct property *prop; 42 struct property *prop;
@@ -89,7 +77,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
89 void *old_val = prop->value; 77 void *old_val = prop->value;
90 int ret; 78 int ret;
91 79
92 ret = prom_setprop(dp->node, name, val, len); 80 ret = prom_setprop(dp->phandle, name, val, len);
93 81
94 err = -EINVAL; 82 err = -EINVAL;
95 if (ret >= 0) { 83 if (ret >= 0) {
@@ -236,7 +224,7 @@ static struct device_node * __init prom_create_node(phandle node,
236 224
237 dp->name = get_one_property(node, "name"); 225 dp->name = get_one_property(node, "name");
238 dp->type = get_one_property(node, "device_type"); 226 dp->type = get_one_property(node, "device_type");
239 dp->node = node; 227 dp->phandle = node;
240 228
241 dp->properties = build_prop_list(node); 229 dp->properties = build_prop_list(node);
242 230
@@ -313,7 +301,7 @@ void __init prom_build_devicetree(void)
313 301
314 nextp = &allnodes->allnext; 302 nextp = &allnodes->allnext;
315 allnodes->child = prom_build_tree(allnodes, 303 allnodes->child = prom_build_tree(allnodes,
316 prom_getchild(allnodes->node), 304 prom_getchild(allnodes->phandle),
317 &nextp); 305 &nextp);
318 of_console_init(); 306 of_console_init();
319 307
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index aa36223497b9..eb14844a0021 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -370,7 +370,7 @@ static int __cpuinit smp_boot_one_cpu(unsigned int cpu)
370 } else { 370 } else {
371 struct device_node *dp = of_find_node_by_cpuid(cpu); 371 struct device_node *dp = of_find_node_by_cpuid(cpu);
372 372
373 prom_startcpu(dp->node, entry, cookie); 373 prom_startcpu(dp->phandle, entry, cookie);
374 } 374 }
375 375
376 for (timeout = 0; timeout < 50000; timeout++) { 376 for (timeout = 0; timeout < 50000; timeout++) {
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-07 22:52:02 -0500