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[new uImage] Add node offsets for FIT images listed in struct bootm_headers
[people/ms/u-boot.git] / lib_ppc / bootm.c
1 /*
2 * (C) Copyright 2008 Semihalf
3 *
4 * (C) Copyright 2000-2006
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
26 #define DEBUG
27
28 #include <common.h>
29 #include <watchdog.h>
30 #include <command.h>
31 #include <image.h>
32 #include <malloc.h>
33 #include <zlib.h>
34 #include <bzlib.h>
35 #include <environment.h>
36 #include <asm/byteorder.h>
37
38 #if defined(CONFIG_OF_LIBFDT)
39 #include <fdt.h>
40 #include <libfdt.h>
41 #include <fdt_support.h>
42
43 static void fdt_error (const char *msg);
44 static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
45 bootm_headers_t *images, char **of_flat_tree, ulong *of_size);
46 static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
47 cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
48 char **of_flat_tree, ulong *of_size);
49 #endif
50
51 #ifdef CFG_INIT_RAM_LOCK
52 #include <asm/cache.h>
53 #endif
54
55 DECLARE_GLOBAL_DATA_PTR;
56
57 extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
58 extern ulong get_effective_memsize(void);
59 static ulong get_sp (void);
60 static void set_clocks_in_mhz (bd_t *kbd);
61
62 #ifndef CFG_LINUX_LOWMEM_MAX_SIZE
63 #define CFG_LINUX_LOWMEM_MAX_SIZE (768*1024*1024)
64 #endif
65
66 void __attribute__((noinline))
67 do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
68 bootm_headers_t *images)
69 {
70 ulong sp;
71
72 ulong initrd_start, initrd_end;
73 ulong rd_data_start, rd_data_end, rd_len;
74 ulong size;
75
76 ulong cmd_start, cmd_end, bootmap_base;
77 bd_t *kbd;
78 ulong ep = 0;
79 void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
80 int ret;
81 ulong of_size = 0;
82 struct lmb *lmb = images->lmb;
83
84 #if defined(CONFIG_OF_LIBFDT)
85 char *of_flat_tree = NULL;
86 #endif
87
88 bootmap_base = getenv_bootm_low();
89 size = getenv_bootm_size();
90
91 #ifdef DEBUG
92 if (((u64)bootmap_base + size) > (CFG_SDRAM_BASE + (u64)gd->ram_size))
93 puts("WARNING: bootm_low + bootm_size exceed total memory\n");
94 if ((bootmap_base + size) > get_effective_memsize())
95 puts("WARNING: bootm_low + bootm_size exceed eff. memory\n");
96 #endif
97
98 size = min(size, get_effective_memsize());
99 size = min(size, CFG_LINUX_LOWMEM_MAX_SIZE);
100
101 if (size < getenv_bootm_size()) {
102 ulong base = bootmap_base + size;
103 printf("WARNING: adjusting available memory to %x\n", size);
104 lmb_reserve(lmb, base, getenv_bootm_size() - size);
105 }
106
107 /*
108 * Booting a (Linux) kernel image
109 *
110 * Allocate space for command line and board info - the
111 * address should be as high as possible within the reach of
112 * the kernel (see CFG_BOOTMAPSZ settings), but in unused
113 * memory, which means far enough below the current stack
114 * pointer.
115 */
116 sp = get_sp();
117 debug ("## Current stack ends at 0x%08lx\n", sp);
118
119 /* adjust sp by 1K to be safe */
120 sp -= 1024;
121 lmb_reserve(lmb, sp, (CFG_SDRAM_BASE + get_effective_memsize() - sp));
122
123 #if defined(CONFIG_OF_LIBFDT)
124 /* find flattened device tree */
125 ret = boot_get_fdt (cmdtp, flag, argc, argv, images, &of_flat_tree, &of_size);
126
127 if (ret)
128 goto error;
129 #endif
130
131 if (!of_size) {
132 /* allocate space and init command line */
133 ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base);
134 if (ret) {
135 puts("ERROR with allocation of cmdline\n");
136 goto error;
137 }
138
139 /* allocate space for kernel copy of board info */
140 ret = boot_get_kbd (lmb, &kbd, bootmap_base);
141 if (ret) {
142 puts("ERROR with allocation of kernel bd\n");
143 goto error;
144 }
145 set_clocks_in_mhz(kbd);
146 }
147
148 /* find kernel entry point */
149 if (images->legacy_hdr_valid) {
150 ep = image_get_ep (images->legacy_hdr_os);
151 #if defined(CONFIG_FIT)
152 } else if (images->fit_uname_os) {
153 fit_unsupported_reset ("PPC linux bootm");
154 goto error;
155 #endif
156 } else {
157 puts ("Could not find kernel entry point!\n");
158 goto error;
159 }
160 kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))ep;
161
162 /* find ramdisk */
163 ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_PPC,
164 &rd_data_start, &rd_data_end);
165 if (ret)
166 goto error;
167
168 rd_len = rd_data_end - rd_data_start;
169
170 #if defined(CONFIG_OF_LIBFDT)
171 ret = boot_relocate_fdt (lmb, bootmap_base,
172 cmdtp, flag, argc, argv, &of_flat_tree, &of_size);
173
174 /*
175 * Add the chosen node if it doesn't exist, add the env and bd_t
176 * if the user wants it (the logic is in the subroutines).
177 */
178 if (of_size) {
179 /* pass in dummy initrd info, we'll fix up later */
180 if (fdt_chosen(of_flat_tree, rd_data_start, rd_data_end, 0) < 0) {
181 fdt_error ("/chosen node create failed");
182 goto error;
183 }
184 #ifdef CONFIG_OF_HAS_UBOOT_ENV
185 if (fdt_env(of_flat_tree) < 0) {
186 fdt_error ("/u-boot-env node create failed");
187 goto error;
188 }
189 #endif
190 #ifdef CONFIG_OF_HAS_BD_T
191 if (fdt_bd_t(of_flat_tree) < 0) {
192 fdt_error ("/bd_t node create failed");
193 goto error;
194 }
195 #endif
196 #ifdef CONFIG_OF_BOARD_SETUP
197 /* Call the board-specific fixup routine */
198 ft_board_setup(of_flat_tree, gd->bd);
199 #endif
200 }
201 #endif /* CONFIG_OF_LIBFDT */
202
203 ret = boot_ramdisk_high (lmb, rd_data_start, rd_len, &initrd_start, &initrd_end);
204 if (ret)
205 goto error;
206
207 #if defined(CONFIG_OF_LIBFDT)
208 /* fixup the initrd now that we know where it should be */
209 if ((of_flat_tree) && (initrd_start && initrd_end)) {
210 uint64_t addr, size;
211 int total = fdt_num_mem_rsv(of_flat_tree);
212 int j;
213
214 /* Look for the dummy entry and delete it */
215 for (j = 0; j < total; j++) {
216 fdt_get_mem_rsv(of_flat_tree, j, &addr, &size);
217 if (addr == rd_data_start) {
218 fdt_del_mem_rsv(of_flat_tree, j);
219 break;
220 }
221 }
222
223 ret = fdt_add_mem_rsv(of_flat_tree, initrd_start,
224 initrd_end - initrd_start + 1);
225 if (ret < 0) {
226 printf("fdt_chosen: %s\n", fdt_strerror(ret));
227 goto error;
228 }
229
230 do_fixup_by_path_u32(of_flat_tree, "/chosen",
231 "linux,initrd-start", initrd_start, 0);
232 do_fixup_by_path_u32(of_flat_tree, "/chosen",
233 "linux,initrd-end", initrd_end, 0);
234 }
235 #endif
236 debug ("## Transferring control to Linux (at address %08lx) ...\n",
237 (ulong)kernel);
238
239 show_boot_progress (15);
240
241 #if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
242 unlock_ram_in_cache();
243 #endif
244 if (!images->autostart)
245 return ;
246
247 #if defined(CONFIG_OF_LIBFDT)
248 if (of_flat_tree) { /* device tree; boot new style */
249 /*
250 * Linux Kernel Parameters (passing device tree):
251 * r3: pointer to the fdt, followed by the board info data
252 * r4: physical pointer to the kernel itself
253 * r5: NULL
254 * r6: NULL
255 * r7: NULL
256 */
257 debug (" Booting using OF flat tree...\n");
258 (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
259 /* does not return */
260 } else
261 #endif
262 {
263 /*
264 * Linux Kernel Parameters (passing board info data):
265 * r3: ptr to board info data
266 * r4: initrd_start or 0 if no initrd
267 * r5: initrd_end - unused if r4 is 0
268 * r6: Start of command line string
269 * r7: End of command line string
270 */
271 debug (" Booting using board info...\n");
272 (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
273 /* does not return */
274 }
275 return ;
276
277 error:
278 if (images->autostart)
279 do_reset (cmdtp, flag, argc, argv);
280 return ;
281 }
282
283 static ulong get_sp (void)
284 {
285 ulong sp;
286
287 asm( "mr %0,1": "=r"(sp) : );
288 return sp;
289 }
290
291 static void set_clocks_in_mhz (bd_t *kbd)
292 {
293 char *s;
294
295 if ((s = getenv ("clocks_in_mhz")) != NULL) {
296 /* convert all clock information to MHz */
297 kbd->bi_intfreq /= 1000000L;
298 kbd->bi_busfreq /= 1000000L;
299 #if defined(CONFIG_MPC8220)
300 kbd->bi_inpfreq /= 1000000L;
301 kbd->bi_pcifreq /= 1000000L;
302 kbd->bi_pevfreq /= 1000000L;
303 kbd->bi_flbfreq /= 1000000L;
304 kbd->bi_vcofreq /= 1000000L;
305 #endif
306 #if defined(CONFIG_CPM2)
307 kbd->bi_cpmfreq /= 1000000L;
308 kbd->bi_brgfreq /= 1000000L;
309 kbd->bi_sccfreq /= 1000000L;
310 kbd->bi_vco /= 1000000L;
311 #endif
312 #if defined(CONFIG_MPC5xxx)
313 kbd->bi_ipbfreq /= 1000000L;
314 kbd->bi_pcifreq /= 1000000L;
315 #endif /* CONFIG_MPC5xxx */
316 }
317 }
318
319 #if defined(CONFIG_OF_LIBFDT)
320 static void fdt_error (const char *msg)
321 {
322 puts ("ERROR: ");
323 puts (msg);
324 puts (" - must RESET the board to recover.\n");
325 }
326
327 static image_header_t *image_get_fdt (ulong fdt_addr)
328 {
329 image_header_t *fdt_hdr = (image_header_t *)fdt_addr;
330
331 image_print_contents (fdt_hdr);
332
333 puts (" Verifying Checksum ... ");
334 if (!image_check_hcrc (fdt_hdr)) {
335 fdt_error ("fdt header checksum invalid");
336 return NULL;
337 }
338
339 if (!image_check_dcrc (fdt_hdr)) {
340 fdt_error ("fdt checksum invalid");
341 return NULL;
342 }
343 puts ("OK\n");
344
345 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) {
346 fdt_error ("uImage is not a fdt");
347 return NULL;
348 }
349 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) {
350 fdt_error ("uImage is compressed");
351 return NULL;
352 }
353 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) {
354 fdt_error ("uImage data is not a fdt");
355 return NULL;
356 }
357 return fdt_hdr;
358 }
359
360 /**
361 * fit_check_fdt - verify FIT format FDT subimage
362 * @fit_hdr: pointer to the FIT header
363 * fdt_noffset: FDT subimage node offset within FIT image
364 * @verify: data CRC verification flag
365 *
366 * fit_check_fdt() verifies integrity of the FDT subimage and from
367 * specified FIT image.
368 *
369 * returns:
370 * 1, on success
371 * 0, on failure
372 */
373 #if defined(CONFIG_FIT)
374 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify)
375 {
376 fit_image_print (fit, fdt_noffset, " ");
377
378 if (verify) {
379 puts (" Verifying Hash Integrity ... ");
380 if (!fit_image_check_hashes (fit, fdt_noffset)) {
381 fdt_error ("Bad Data Hash");
382 return 0;
383 }
384 puts ("OK\n");
385 }
386
387 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) {
388 fdt_error ("Not a FDT image");
389 return 0;
390 }
391
392 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) {
393 fdt_error ("FDT image is compressed");
394 return 0;
395 }
396
397 return 1;
398 }
399 #endif /* CONFIG_FIT */
400
401 static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
402 bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
403 {
404 ulong fdt_addr;
405 image_header_t *fdt_hdr;
406 char *fdt_blob = NULL;
407 ulong image_start, image_end;
408 ulong load_start, load_end;
409 #if defined(CONFIG_FIT)
410 void *fit_hdr;
411 const char *fit_uname_config = NULL;
412 const char *fit_uname_fdt = NULL;
413 ulong default_addr;
414 int conf_noffset;
415 int fdt_noffset;
416 const void *data;
417 size_t size;
418 #endif
419
420 *of_flat_tree = NULL;
421 *of_size = 0;
422
423 if (argc > 3) {
424 #if defined(CONFIG_FIT)
425 /*
426 * If the FDT blob comes from the FIT image and the FIT image
427 * address is omitted in the command line argument, try to use
428 * ramdisk or os FIT image address or default load address.
429 */
430 if (images->fit_uname_rd)
431 default_addr = (ulong)images->fit_hdr_rd;
432 else if (images->fit_uname_os)
433 default_addr = (ulong)images->fit_hdr_os;
434 else
435 default_addr = load_addr;
436
437 if (fit_parse_conf (argv[3], default_addr,
438 &fdt_addr, &fit_uname_config)) {
439 debug ("* fdt: config '%s' from image at 0x%08lx\n",
440 fit_uname_config, fdt_addr);
441 } else if (fit_parse_subimage (argv[3], default_addr,
442 &fdt_addr, &fit_uname_fdt)) {
443 debug ("* fdt: subimage '%s' from image at 0x%08lx\n",
444 fit_uname_fdt, fdt_addr);
445 } else
446 #endif
447 {
448 fdt_addr = simple_strtoul(argv[3], NULL, 16);
449 debug ("* fdt: cmdline image address = 0x%08lx\n",
450 fdt_addr);
451 }
452
453 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n",
454 fdt_addr);
455
456 /* copy from dataflash if needed */
457 fdt_addr = genimg_get_image (fdt_addr);
458
459 /*
460 * Check if there is an FDT image at the
461 * address provided in the second bootm argument
462 * check image type, for FIT images get a FIT node.
463 */
464 switch (genimg_get_format ((void *)fdt_addr)) {
465 case IMAGE_FORMAT_LEGACY:
466 /* verify fdt_addr points to a valid image header */
467 printf ("## Flattened Device Tree from Legacy Image at %08lx\n",
468 fdt_addr);
469 fdt_hdr = image_get_fdt (fdt_addr);
470 if (!fdt_hdr)
471 goto error;
472
473 /*
474 * move image data to the load address,
475 * make sure we don't overwrite initial image
476 */
477 image_start = (ulong)fdt_hdr;
478 image_end = image_get_image_end (fdt_hdr);
479
480 load_start = image_get_load (fdt_hdr);
481 load_end = load_start + image_get_data_size (fdt_hdr);
482
483 if ((load_start < image_end) && (load_end > image_start)) {
484 fdt_error ("fdt overwritten");
485 goto error;
486 }
487
488 debug (" Loading FDT from 0x%08lx to 0x%08lx\n",
489 image_get_data (fdt_hdr), load_start);
490
491 memmove ((void *)load_start,
492 (void *)image_get_data (fdt_hdr),
493 image_get_data_size (fdt_hdr));
494
495 fdt_blob = (char *)load_start;
496 break;
497 case IMAGE_FORMAT_FIT:
498 /*
499 * This case will catch both: new uImage format
500 * (libfdt based) and raw FDT blob (also libfdt
501 * based).
502 */
503 #if defined(CONFIG_FIT)
504 /* check FDT blob vs FIT blob */
505 if (fit_check_format ((const void *)fdt_addr)) {
506 /*
507 * FIT image
508 */
509 fit_hdr = (void *)fdt_addr;
510 printf ("## Flattened Device Tree from FIT Image at %08lx\n",
511 fdt_addr);
512
513 if (!fit_uname_fdt) {
514 /*
515 * no FDT blob image node unit name,
516 * try to get config node first. If
517 * config unit node name is NULL
518 * fit_conf_get_node() will try to
519 * find default config node
520 */
521 conf_noffset = fit_conf_get_node (fit_hdr,
522 fit_uname_config);
523 if (conf_noffset < 0)
524 goto error;
525
526 fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
527 conf_noffset);
528 fit_uname_fdt = fit_get_name (fit_hdr,
529 fdt_noffset, NULL);
530 } else {
531 /* get FDT component image node offset */
532 fdt_noffset = fit_image_get_node (fit_hdr,
533 fit_uname_fdt);
534 }
535 if (fdt_noffset < 0)
536 goto error;
537
538 printf (" Trying '%s' FDT blob subimage\n",
539 fit_uname_fdt);
540
541 if (!fit_check_fdt (fit_hdr, fdt_noffset,
542 images->verify))
543 goto error;
544
545 /* get ramdisk image data address and length */
546 if (fit_image_get_data (fit_hdr, fdt_noffset,
547 &data, &size)) {
548 fdt_error ("Could not find FDT subimage data");
549 goto error;
550 }
551
552 /* verift that image data is a proper FDT blob */
553 if (fdt_check_header ((char *)data) != 0) {
554 fdt_error ("Subimage data is not a FTD");
555 goto error;
556 }
557
558 /*
559 * move image data to the load address,
560 * make sure we don't overwrite initial image
561 */
562 image_start = (ulong)fit_hdr;
563 image_end = fit_get_end (fit_hdr);
564
565 if (fit_image_get_load (fit_hdr, fdt_noffset,
566 &load_start) == 0) {
567 load_end = load_start + size;
568
569 if ((load_start < image_end) &&
570 (load_end > image_start)) {
571 fdt_error ("FDT overwritten");
572 goto error;
573 }
574
575 printf (" Loading FDT from 0x%08lx to 0x%08lx\n",
576 (ulong)data, load_start);
577
578 memmove ((void *)load_start,
579 (void *)data, size);
580
581 fdt_blob = (char *)load_start;
582 } else {
583 fdt_blob = (char *)data;
584 }
585
586 images->fit_hdr_fdt = fit_hdr;
587 images->fit_uname_fdt = fit_uname_fdt;
588 images->fit_noffset_fdt = fdt_noffset;
589 break;
590 } else
591 #endif
592 {
593 /*
594 * FDT blob
595 */
596 debug ("* fdt: raw FDT blob\n");
597 printf ("## Flattened Device Tree blob at %08lx\n", fdt_blob);
598 fdt_blob = (char *)fdt_addr;
599 }
600 break;
601 default:
602 fdt_error ("Did not find a cmdline Flattened Device Tree");
603 goto error;
604 }
605
606 printf (" Booting using the fdt blob at 0x%x\n", fdt_blob);
607
608 } else if (images->legacy_hdr_valid &&
609 image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) {
610
611 ulong fdt_data, fdt_len;
612
613 /*
614 * Now check if we have a legacy multi-component image,
615 * get second entry data start address and len.
616 */
617 printf ("## Flattened Device Tree from multi "
618 "component Image at %08lX\n",
619 (ulong)images->legacy_hdr_os);
620
621 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len);
622 if (fdt_len) {
623
624 fdt_blob = (char *)fdt_data;
625 printf (" Booting using the fdt at 0x%x\n", fdt_blob);
626
627 if (fdt_check_header (fdt_blob) != 0) {
628 fdt_error ("image is not a fdt");
629 goto error;
630 }
631
632 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) {
633 fdt_error ("fdt size != image size");
634 goto error;
635 }
636 } else {
637 fdt_error ("Did not find a Flattened Device Tree "
638 "in a legacy multi-component image");
639 goto error;
640 }
641 } else {
642 debug ("## No Flattened Device Tree\n");
643 return 0;
644 }
645
646 *of_flat_tree = fdt_blob;
647 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob));
648 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n",
649 *of_flat_tree, *of_size);
650
651 return 0;
652
653 error:
654 do_reset (cmdtp, flag, argc, argv);
655 return 1;
656 }
657
658 static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
659 cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
660 char **of_flat_tree, ulong *of_size)
661 {
662 char *fdt_blob = *of_flat_tree;
663 ulong relocate = 0;
664 ulong of_len = 0;
665
666 /* nothing to do */
667 if (*of_size == 0)
668 return 0;
669
670 if (fdt_check_header (fdt_blob) != 0) {
671 fdt_error ("image is not a fdt");
672 goto error;
673 }
674
675 #ifndef CFG_NO_FLASH
676 /* move the blob if it is in flash (set relocate) */
677 if (addr2info ((ulong)fdt_blob) != NULL)
678 relocate = 1;
679 #endif
680
681 /*
682 * The blob must be within CFG_BOOTMAPSZ,
683 * so we flag it to be copied if it is not.
684 */
685 if (fdt_blob >= (char *)CFG_BOOTMAPSZ)
686 relocate = 1;
687
688 of_len = be32_to_cpu (fdt_totalsize (fdt_blob));
689
690 /* move flattend device tree if needed */
691 if (relocate) {
692 int err;
693 ulong of_start;
694
695 /* position on a 4K boundary before the alloc_current */
696 of_start = lmb_alloc_base(lmb, of_len, 0x1000,
697 (CFG_BOOTMAPSZ + bootmap_base));
698
699 if (of_start == 0) {
700 puts("device tree - allocation error\n");
701 goto error;
702 }
703
704 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
705 (ulong)fdt_blob, (ulong)fdt_blob + of_len - 1,
706 of_len, of_len);
707
708 printf (" Loading Device Tree to %08lx, end %08lx ... ",
709 of_start, of_start + of_len - 1);
710
711 err = fdt_open_into (fdt_blob, (void *)of_start, of_len);
712 if (err != 0) {
713 fdt_error ("fdt move failed");
714 goto error;
715 }
716 puts ("OK\n");
717
718 *of_flat_tree = (char *)of_start;
719 } else {
720 *of_flat_tree = fdt_blob;
721 lmb_reserve(lmb, (ulong)fdt, of_len);
722 }
723
724 return 0;
725
726 error:
727 return 1;
728 }
729 #endif
"Das U-Boot" Source Tree