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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#ifndef USE_HOSTCC
27#include <common.h>
28#include <watchdog.h>
29
30#ifdef CONFIG_SHOW_BOOT_PROGRESS
31#include <status_led.h>
32#endif
33
34#ifdef CONFIG_HAS_DATAFLASH
35#include <dataflash.h>
36#endif
37
38#ifdef CONFIG_LOGBUFFER
39#include <logbuff.h>
40#endif
41
42#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
43#include <rtc.h>
44#endif
45
46#include <image.h>
47
48#if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT)
49#include <fdt.h>
50#include <libfdt.h>
51#include <fdt_support.h>
52#endif
53
54#if defined(CONFIG_FIT)
55#include <u-boot/md5.h>
56#include <sha1.h>
57
58static int fit_check_ramdisk (const void *fit, int os_noffset,
59 uint8_t arch, int verify);
60#endif
61
62#ifdef CONFIG_CMD_BDI
63extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
64#endif
65
66DECLARE_GLOBAL_DATA_PTR;
67
68static const image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch,
69 int verify);
70#else
71#include "mkimage.h"
72#include <u-boot/md5.h>
73#include <time.h>
74#include <image.h>
75#endif /* !USE_HOSTCC*/
76
77typedef struct table_entry {
78 int id; /* as defined in image.h */
79 char *sname; /* short (input) name */
80 char *lname; /* long (output) name */
81} table_entry_t;
82
83static table_entry_t uimage_arch[] = {
84 { IH_ARCH_INVALID, NULL, "Invalid ARCH", },
85 { IH_ARCH_ALPHA, "alpha", "Alpha", },
86 { IH_ARCH_ARM, "arm", "ARM", },
87 { IH_ARCH_I386, "x86", "Intel x86", },
88 { IH_ARCH_IA64, "ia64", "IA64", },
89 { IH_ARCH_M68K, "m68k", "M68K", },
90 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", },
91 { IH_ARCH_MIPS, "mips", "MIPS", },
92 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", },
93 { IH_ARCH_NIOS, "nios", "NIOS", },
94 { IH_ARCH_NIOS2, "nios2", "NIOS II", },
95 { IH_ARCH_PPC, "powerpc", "PowerPC", },
96 { IH_ARCH_PPC, "ppc", "PowerPC", },
97 { IH_ARCH_S390, "s390", "IBM S390", },
98 { IH_ARCH_SH, "sh", "SuperH", },
99 { IH_ARCH_SPARC, "sparc", "SPARC", },
100 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", },
101 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", },
102 { IH_ARCH_AVR32, "avr32", "AVR32", },
103 { -1, "", "", },
104};
105
106static table_entry_t uimage_os[] = {
107 { IH_OS_INVALID, NULL, "Invalid OS", },
108 { IH_OS_LINUX, "linux", "Linux", },
109#if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
110 { IH_OS_LYNXOS, "lynxos", "LynxOS", },
111#endif
112 { IH_OS_NETBSD, "netbsd", "NetBSD", },
113 { IH_OS_RTEMS, "rtems", "RTEMS", },
114 { IH_OS_U_BOOT, "u-boot", "U-Boot", },
115#if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
116 { IH_OS_QNX, "qnx", "QNX", },
117 { IH_OS_VXWORKS, "vxworks", "VxWorks", },
118#endif
119#if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
120 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", },
121#endif
122#ifdef USE_HOSTCC
123 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", },
124 { IH_OS_DELL, "dell", "Dell", },
125 { IH_OS_ESIX, "esix", "Esix", },
126 { IH_OS_FREEBSD, "freebsd", "FreeBSD", },
127 { IH_OS_IRIX, "irix", "Irix", },
128 { IH_OS_NCR, "ncr", "NCR", },
129 { IH_OS_OPENBSD, "openbsd", "OpenBSD", },
130 { IH_OS_PSOS, "psos", "pSOS", },
131 { IH_OS_SCO, "sco", "SCO", },
132 { IH_OS_SOLARIS, "solaris", "Solaris", },
133 { IH_OS_SVR4, "svr4", "SVR4", },
134#endif
135 { -1, "", "", },
136};
137
138static table_entry_t uimage_type[] = {
139 { IH_TYPE_INVALID, NULL, "Invalid Image", },
140 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", },
141 { IH_TYPE_FIRMWARE, "firmware", "Firmware", },
142 { IH_TYPE_KERNEL, "kernel", "Kernel Image", },
143 { IH_TYPE_MULTI, "multi", "Multi-File Image", },
144 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", },
145 { IH_TYPE_SCRIPT, "script", "Script", },
146 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
147 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", },
148 { -1, "", "", },
149};
150
151static table_entry_t uimage_comp[] = {
152 { IH_COMP_NONE, "none", "uncompressed", },
153 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", },
154 { IH_COMP_GZIP, "gzip", "gzip compressed", },
155 { IH_COMP_LZMA, "lzma", "lzma compressed", },
156 { -1, "", "", },
157};
158
159uint32_t crc32 (uint32_t, const unsigned char *, uint);
160uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
161static void genimg_print_size (uint32_t size);
162#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
163static void genimg_print_time (time_t timestamp);
164#endif
165
166/*****************************************************************************/
167/* Legacy format routines */
168/*****************************************************************************/
169int image_check_hcrc (const image_header_t *hdr)
170{
171 ulong hcrc;
172 ulong len = image_get_header_size ();
173 image_header_t header;
174
175 /* Copy header so we can blank CRC field for re-calculation */
176 memmove (&header, (char *)hdr, image_get_header_size ());
177 image_set_hcrc (&header, 0);
178
179 hcrc = crc32 (0, (unsigned char *)&header, len);
180
181 return (hcrc == image_get_hcrc (hdr));
182}
183
184int image_check_dcrc (const image_header_t *hdr)
185{
186 ulong data = image_get_data (hdr);
187 ulong len = image_get_data_size (hdr);
188 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32);
189
190 return (dcrc == image_get_dcrc (hdr));
191}
192
193/**
194 * image_multi_count - get component (sub-image) count
195 * @hdr: pointer to the header of the multi component image
196 *
197 * image_multi_count() returns number of components in a multi
198 * component image.
199 *
200 * Note: no checking of the image type is done, caller must pass
201 * a valid multi component image.
202 *
203 * returns:
204 * number of components
205 */
206ulong image_multi_count (const image_header_t *hdr)
207{
208 ulong i, count = 0;
209 uint32_t *size;
210
211 /* get start of the image payload, which in case of multi
212 * component images that points to a table of component sizes */
213 size = (uint32_t *)image_get_data (hdr);
214
215 /* count non empty slots */
216 for (i = 0; size[i]; ++i)
217 count++;
218
219 return count;
220}
221
222/**
223 * image_multi_getimg - get component data address and size
224 * @hdr: pointer to the header of the multi component image
225 * @idx: index of the requested component
226 * @data: pointer to a ulong variable, will hold component data address
227 * @len: pointer to a ulong variable, will hold component size
228 *
229 * image_multi_getimg() returns size and data address for the requested
230 * component in a multi component image.
231 *
232 * Note: no checking of the image type is done, caller must pass
233 * a valid multi component image.
234 *
235 * returns:
236 * data address and size of the component, if idx is valid
237 * 0 in data and len, if idx is out of range
238 */
239void image_multi_getimg (const image_header_t *hdr, ulong idx,
240 ulong *data, ulong *len)
241{
242 int i;
243 uint32_t *size;
244 ulong offset, count, img_data;
245
246 /* get number of component */
247 count = image_multi_count (hdr);
248
249 /* get start of the image payload, which in case of multi
250 * component images that points to a table of component sizes */
251 size = (uint32_t *)image_get_data (hdr);
252
253 /* get address of the proper component data start, which means
254 * skipping sizes table (add 1 for last, null entry) */
255 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t);
256
257 if (idx < count) {
258 *len = uimage_to_cpu (size[idx]);
259 offset = 0;
260
261 /* go over all indices preceding requested component idx */
262 for (i = 0; i < idx; i++) {
263 /* add up i-th component size, rounding up to 4 bytes */
264 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ;
265 }
266
267 /* calculate idx-th component data address */
268 *data = img_data + offset;
269 } else {
270 *len = 0;
271 *data = 0;
272 }
273}
274
275static void image_print_type (const image_header_t *hdr)
276{
277 const char *os, *arch, *type, *comp;
278
279 os = genimg_get_os_name (image_get_os (hdr));
280 arch = genimg_get_arch_name (image_get_arch (hdr));
281 type = genimg_get_type_name (image_get_type (hdr));
282 comp = genimg_get_comp_name (image_get_comp (hdr));
283
284 printf ("%s %s %s (%s)\n", arch, os, type, comp);
285}
286
287/**
288 * image_print_contents - prints out the contents of the legacy format image
289 * @ptr: pointer to the legacy format image header
290 * @p: pointer to prefix string
291 *
292 * image_print_contents() formats a multi line legacy image contents description.
293 * The routine prints out all header fields followed by the size/offset data
294 * for MULTI/SCRIPT images.
295 *
296 * returns:
297 * no returned results
298 */
299void image_print_contents (const void *ptr)
300{
301 const image_header_t *hdr = (const image_header_t *)ptr;
302 const char *p;
303
304#ifdef USE_HOSTCC
305 p = "";
306#else
307 p = " ";
308#endif
309
310 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr));
311#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
312 printf ("%sCreated: ", p);
313 genimg_print_time ((time_t)image_get_time (hdr));
314#endif
315 printf ("%sImage Type: ", p);
316 image_print_type (hdr);
317 printf ("%sData Size: ", p);
318 genimg_print_size (image_get_data_size (hdr));
319 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr));
320 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr));
321
322 if (image_check_type (hdr, IH_TYPE_MULTI) ||
323 image_check_type (hdr, IH_TYPE_SCRIPT)) {
324 int i;
325 ulong data, len;
326 ulong count = image_multi_count (hdr);
327
328 printf ("%sContents:\n", p);
329 for (i = 0; i < count; i++) {
330 image_multi_getimg (hdr, i, &data, &len);
331
332 printf ("%s Image %d: ", p, i);
333 genimg_print_size (len);
334
335 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) {
336 /*
337 * the user may need to know offsets
338 * if planning to do something with
339 * multiple files
340 */
341 printf ("%s Offset = 0x%08lx\n", p, data);
342 }
343 }
344 }
345}
346
347
348#ifndef USE_HOSTCC
349/**
350 * image_get_ramdisk - get and verify ramdisk image
351 * @rd_addr: ramdisk image start address
352 * @arch: expected ramdisk architecture
353 * @verify: checksum verification flag
354 *
355 * image_get_ramdisk() returns a pointer to the verified ramdisk image
356 * header. Routine receives image start address and expected architecture
357 * flag. Verification done covers data and header integrity and os/type/arch
358 * fields checking.
359 *
360 * If dataflash support is enabled routine checks for dataflash addresses
361 * and handles required dataflash reads.
362 *
363 * returns:
364 * pointer to a ramdisk image header, if image was found and valid
365 * otherwise, return NULL
366 */
367static const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch,
368 int verify)
369{
370 const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
371
372 if (!image_check_magic (rd_hdr)) {
373 puts ("Bad Magic Number\n");
374 show_boot_progress (-10);
375 return NULL;
376 }
377
378 if (!image_check_hcrc (rd_hdr)) {
379 puts ("Bad Header Checksum\n");
380 show_boot_progress (-11);
381 return NULL;
382 }
383
384 show_boot_progress (10);
385 image_print_contents (rd_hdr);
386
387 if (verify) {
388 puts(" Verifying Checksum ... ");
389 if (!image_check_dcrc (rd_hdr)) {
390 puts ("Bad Data CRC\n");
391 show_boot_progress (-12);
392 return NULL;
393 }
394 puts("OK\n");
395 }
396
397 show_boot_progress (11);
398
399 if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
400 !image_check_arch (rd_hdr, arch) ||
401 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
402 printf ("No Linux %s Ramdisk Image\n",
403 genimg_get_arch_name(arch));
404 show_boot_progress (-13);
405 return NULL;
406 }
407
408 return rd_hdr;
409}
410#endif /* !USE_HOSTCC */
411
412/*****************************************************************************/
413/* Shared dual-format routines */
414/*****************************************************************************/
415#ifndef USE_HOSTCC
416int getenv_yesno (char *var)
417{
418 char *s = getenv (var);
419 return (s && (*s == 'n')) ? 0 : 1;
420}
421
422ulong getenv_bootm_low(void)
423{
424 char *s = getenv ("bootm_low");
425 if (s) {
426 ulong tmp = simple_strtoul (s, NULL, 16);
427 return tmp;
428 }
429
430#if defined(CONFIG_SYS_SDRAM_BASE)
431 return CONFIG_SYS_SDRAM_BASE;
432#elif defined(CONFIG_ARM)
433 return gd->bd->bi_dram[0].start;
434#else
435 return 0;
436#endif
437}
438
439phys_size_t getenv_bootm_size(void)
440{
441 char *s = getenv ("bootm_size");
442 if (s) {
443 phys_size_t tmp;
444#ifdef CONFIG_SYS_64BIT_STRTOUL
445 tmp = (phys_size_t)simple_strtoull (s, NULL, 16);
446#else
447 tmp = (phys_size_t)simple_strtoul (s, NULL, 16);
448#endif
449 return tmp;
450 }
451
452#if defined(CONFIG_ARM)
453 return gd->bd->bi_dram[0].size;
454#else
455 return gd->bd->bi_memsize;
456#endif
457}
458
459void memmove_wd (void *to, void *from, size_t len, ulong chunksz)
460{
461#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
462 while (len > 0) {
463 size_t tail = (len > chunksz) ? chunksz : len;
464 WATCHDOG_RESET ();
465 memmove (to, from, tail);
466 to += tail;
467 from += tail;
468 len -= tail;
469 }
470#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
471 memmove (to, from, len);
472#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
473}
474#endif /* !USE_HOSTCC */
475
476static void genimg_print_size (uint32_t size)
477{
478#ifndef USE_HOSTCC
479 printf ("%d Bytes = ", size);
480 print_size (size, "\n");
481#else
482 printf ("%d Bytes = %.2f kB = %.2f MB\n",
483 size, (double)size / 1.024e3,
484 (double)size / 1.048576e6);
485#endif
486}
487
488#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
489static void genimg_print_time (time_t timestamp)
490{
491#ifndef USE_HOSTCC
492 struct rtc_time tm;
493
494 to_tm (timestamp, &tm);
495 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
496 tm.tm_year, tm.tm_mon, tm.tm_mday,
497 tm.tm_hour, tm.tm_min, tm.tm_sec);
498#else
499 printf ("%s", ctime(&timestamp));
500#endif
501}
502#endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */
503
504/**
505 * get_table_entry_name - translate entry id to long name
506 * @table: pointer to a translation table for entries of a specific type
507 * @msg: message to be returned when translation fails
508 * @id: entry id to be translated
509 *
510 * get_table_entry_name() will go over translation table trying to find
511 * entry that matches given id. If matching entry is found, its long
512 * name is returned to the caller.
513 *
514 * returns:
515 * long entry name if translation succeeds
516 * msg otherwise
517 */
518static char *get_table_entry_name (table_entry_t *table, char *msg, int id)
519{
520 for (; table->id >= 0; ++table) {
521 if (table->id == id)
522#ifdef USE_HOSTCC
523 return table->lname;
524#else
525 return table->lname + gd->reloc_off;
526#endif
527 }
528 return (msg);
529}
530
531const char *genimg_get_os_name (uint8_t os)
532{
533 return (get_table_entry_name (uimage_os, "Unknown OS", os));
534}
535
536const char *genimg_get_arch_name (uint8_t arch)
537{
538 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch));
539}
540
541const char *genimg_get_type_name (uint8_t type)
542{
543 return (get_table_entry_name (uimage_type, "Unknown Image", type));
544}
545
546const char *genimg_get_comp_name (uint8_t comp)
547{
548 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp));
549}
550
551/**
552 * get_table_entry_id - translate short entry name to id
553 * @table: pointer to a translation table for entries of a specific type
554 * @table_name: to be used in case of error
555 * @name: entry short name to be translated
556 *
557 * get_table_entry_id() will go over translation table trying to find
558 * entry that matches given short name. If matching entry is found,
559 * its id returned to the caller.
560 *
561 * returns:
562 * entry id if translation succeeds
563 * -1 otherwise
564 */
565static int get_table_entry_id (table_entry_t *table,
566 const char *table_name, const char *name)
567{
568 table_entry_t *t;
569#ifdef USE_HOSTCC
570 int first = 1;
571
572 for (t = table; t->id >= 0; ++t) {
573 if (t->sname && strcasecmp(t->sname, name) == 0)
574 return (t->id);
575 }
576
577 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name);
578 for (t = table; t->id >= 0; ++t) {
579 if (t->sname == NULL)
580 continue;
581 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname);
582 first = 0;
583 }
584 fprintf (stderr, "\n");
585#else
586 for (t = table; t->id >= 0; ++t) {
587 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
588 return (t->id);
589 }
590 debug ("Invalid %s Type: %s\n", table_name, name);
591#endif /* USE_HOSTCC */
592 return (-1);
593}
594
595int genimg_get_os_id (const char *name)
596{
597 return (get_table_entry_id (uimage_os, "OS", name));
598}
599
600int genimg_get_arch_id (const char *name)
601{
602 return (get_table_entry_id (uimage_arch, "CPU", name));
603}
604
605int genimg_get_type_id (const char *name)
606{
607 return (get_table_entry_id (uimage_type, "Image", name));
608}
609
610int genimg_get_comp_id (const char *name)
611{
612 return (get_table_entry_id (uimage_comp, "Compression", name));
613}
614
615#ifndef USE_HOSTCC
616/**
617 * genimg_get_format - get image format type
618 * @img_addr: image start address
619 *
620 * genimg_get_format() checks whether provided address points to a valid
621 * legacy or FIT image.
622 *
623 * New uImage format and FDT blob are based on a libfdt. FDT blob
624 * may be passed directly or embedded in a FIT image. In both situations
625 * genimg_get_format() must be able to dectect libfdt header.
626 *
627 * returns:
628 * image format type or IMAGE_FORMAT_INVALID if no image is present
629 */
630int genimg_get_format (void *img_addr)
631{
632 ulong format = IMAGE_FORMAT_INVALID;
633 const image_header_t *hdr;
634#if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
635 char *fit_hdr;
636#endif
637
638 hdr = (const image_header_t *)img_addr;
639 if (image_check_magic(hdr))
640 format = IMAGE_FORMAT_LEGACY;
641#if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
642 else {
643 fit_hdr = (char *)img_addr;
644 if (fdt_check_header (fit_hdr) == 0)
645 format = IMAGE_FORMAT_FIT;
646 }
647#endif
648
649 return format;
650}
651
652/**
653 * genimg_get_image - get image from special storage (if necessary)
654 * @img_addr: image start address
655 *
656 * genimg_get_image() checks if provided image start adddress is located
657 * in a dataflash storage. If so, image is moved to a system RAM memory.
658 *
659 * returns:
660 * image start address after possible relocation from special storage
661 */
662ulong genimg_get_image (ulong img_addr)
663{
664 ulong ram_addr = img_addr;
665
666#ifdef CONFIG_HAS_DATAFLASH
667 ulong h_size, d_size;
668
669 if (addr_dataflash (img_addr)){
670 /* ger RAM address */
671 ram_addr = CONFIG_SYS_LOAD_ADDR;
672
673 /* get header size */
674 h_size = image_get_header_size ();
675#if defined(CONFIG_FIT)
676 if (sizeof(struct fdt_header) > h_size)
677 h_size = sizeof(struct fdt_header);
678#endif
679
680 /* read in header */
681 debug (" Reading image header from dataflash address "
682 "%08lx to RAM address %08lx\n", img_addr, ram_addr);
683
684 read_dataflash (img_addr, h_size, (char *)ram_addr);
685
686 /* get data size */
687 switch (genimg_get_format ((void *)ram_addr)) {
688 case IMAGE_FORMAT_LEGACY:
689 d_size = image_get_data_size ((const image_header_t *)ram_addr);
690 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n",
691 ram_addr, d_size);
692 break;
693#if defined(CONFIG_FIT)
694 case IMAGE_FORMAT_FIT:
695 d_size = fit_get_size ((const void *)ram_addr) - h_size;
696 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n",
697 ram_addr, d_size);
698 break;
699#endif
700 default:
701 printf (" No valid image found at 0x%08lx\n", img_addr);
702 return ram_addr;
703 }
704
705 /* read in image data */
706 debug (" Reading image remaining data from dataflash address "
707 "%08lx to RAM address %08lx\n", img_addr + h_size,
708 ram_addr + h_size);
709
710 read_dataflash (img_addr + h_size, d_size,
711 (char *)(ram_addr + h_size));
712
713 }
714#endif /* CONFIG_HAS_DATAFLASH */
715
716 return ram_addr;
717}
718
719/**
720 * fit_has_config - check if there is a valid FIT configuration
721 * @images: pointer to the bootm command headers structure
722 *
723 * fit_has_config() checks if there is a FIT configuration in use
724 * (if FTI support is present).
725 *
726 * returns:
727 * 0, no FIT support or no configuration found
728 * 1, configuration found
729 */
730int genimg_has_config (bootm_headers_t *images)
731{
732#if defined(CONFIG_FIT)
733 if (images->fit_uname_cfg)
734 return 1;
735#endif
736 return 0;
737}
738
739/**
740 * boot_get_ramdisk - main ramdisk handling routine
741 * @argc: command argument count
742 * @argv: command argument list
743 * @images: pointer to the bootm images structure
744 * @arch: expected ramdisk architecture
745 * @rd_start: pointer to a ulong variable, will hold ramdisk start address
746 * @rd_end: pointer to a ulong variable, will hold ramdisk end
747 *
748 * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
749 * Curently supported are the following ramdisk sources:
750 * - multicomponent kernel/ramdisk image,
751 * - commandline provided address of decicated ramdisk image.
752 *
753 * returns:
754 * 0, if ramdisk image was found and valid, or skiped
755 * rd_start and rd_end are set to ramdisk start/end addresses if
756 * ramdisk image is found and valid
757 *
758 * 1, if ramdisk image is found but corrupted, or invalid
759 * rd_start and rd_end are set to 0 if no ramdisk exists
760 */
761int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
762 uint8_t arch, ulong *rd_start, ulong *rd_end)
763{
764 ulong rd_addr, rd_load;
765 ulong rd_data, rd_len;
766 const image_header_t *rd_hdr;
767#if defined(CONFIG_FIT)
768 void *fit_hdr;
769 const char *fit_uname_config = NULL;
770 const char *fit_uname_ramdisk = NULL;
771 ulong default_addr;
772 int rd_noffset;
773 int cfg_noffset;
774 const void *data;
775 size_t size;
776#endif
777
778 *rd_start = 0;
779 *rd_end = 0;
780
781 /*
782 * Look for a '-' which indicates to ignore the
783 * ramdisk argument
784 */
785 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) {
786 debug ("## Skipping init Ramdisk\n");
787 rd_len = rd_data = 0;
788 } else if (argc >= 3 || genimg_has_config (images)) {
789#if defined(CONFIG_FIT)
790 if (argc >= 3) {
791 /*
792 * If the init ramdisk comes from the FIT image and
793 * the FIT image address is omitted in the command
794 * line argument, try to use os FIT image address or
795 * default load address.
796 */
797 if (images->fit_uname_os)
798 default_addr = (ulong)images->fit_hdr_os;
799 else
800 default_addr = load_addr;
801
802 if (fit_parse_conf (argv[2], default_addr,
803 &rd_addr, &fit_uname_config)) {
804 debug ("* ramdisk: config '%s' from image at 0x%08lx\n",
805 fit_uname_config, rd_addr);
806 } else if (fit_parse_subimage (argv[2], default_addr,
807 &rd_addr, &fit_uname_ramdisk)) {
808 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n",
809 fit_uname_ramdisk, rd_addr);
810 } else
811#endif
812 {
813 rd_addr = simple_strtoul(argv[2], NULL, 16);
814 debug ("* ramdisk: cmdline image address = 0x%08lx\n",
815 rd_addr);
816 }
817#if defined(CONFIG_FIT)
818 } else {
819 /* use FIT configuration provided in first bootm
820 * command argument
821 */
822 rd_addr = (ulong)images->fit_hdr_os;
823 fit_uname_config = images->fit_uname_cfg;
824 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n",
825 fit_uname_config, rd_addr);
826
827 /*
828 * Check whether configuration has ramdisk defined,
829 * if not, don't try to use it, quit silently.
830 */
831 fit_hdr = (void *)rd_addr;
832 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
833 if (cfg_noffset < 0) {
834 debug ("* ramdisk: no such config\n");
835 return 1;
836 }
837
838 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset);
839 if (rd_noffset < 0) {
840 debug ("* ramdisk: no ramdisk in config\n");
841 return 0;
842 }
843 }
844#endif
845
846 /* copy from dataflash if needed */
847 rd_addr = genimg_get_image (rd_addr);
848
849 /*
850 * Check if there is an initrd image at the
851 * address provided in the second bootm argument
852 * check image type, for FIT images get FIT node.
853 */
854 switch (genimg_get_format ((void *)rd_addr)) {
855 case IMAGE_FORMAT_LEGACY:
856 printf ("## Loading init Ramdisk from Legacy "
857 "Image at %08lx ...\n", rd_addr);
858
859 show_boot_progress (9);
860 rd_hdr = image_get_ramdisk (rd_addr, arch,
861 images->verify);
862
863 if (rd_hdr == NULL)
864 return 1;
865
866 rd_data = image_get_data (rd_hdr);
867 rd_len = image_get_data_size (rd_hdr);
868 rd_load = image_get_load (rd_hdr);
869 break;
870#if defined(CONFIG_FIT)
871 case IMAGE_FORMAT_FIT:
872 fit_hdr = (void *)rd_addr;
873 printf ("## Loading init Ramdisk from FIT "
874 "Image at %08lx ...\n", rd_addr);
875
876 show_boot_progress (120);
877 if (!fit_check_format (fit_hdr)) {
878 puts ("Bad FIT ramdisk image format!\n");
879 show_boot_progress (-120);
880 return 1;
881 }
882 show_boot_progress (121);
883
884 if (!fit_uname_ramdisk) {
885 /*
886 * no ramdisk image node unit name, try to get config
887 * node first. If config unit node name is NULL
888 * fit_conf_get_node() will try to find default config node
889 */
890 show_boot_progress (122);
891 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
892 if (cfg_noffset < 0) {
893 puts ("Could not find configuration node\n");
894 show_boot_progress (-122);
895 return 1;
896 }
897 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL);
898 printf (" Using '%s' configuration\n", fit_uname_config);
899
900 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset);
901 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL);
902 } else {
903 /* get ramdisk component image node offset */
904 show_boot_progress (123);
905 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk);
906 }
907 if (rd_noffset < 0) {
908 puts ("Could not find subimage node\n");
909 show_boot_progress (-124);
910 return 1;
911 }
912
913 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk);
914
915 show_boot_progress (125);
916 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify))
917 return 1;
918
919 /* get ramdisk image data address and length */
920 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) {
921 puts ("Could not find ramdisk subimage data!\n");
922 show_boot_progress (-127);
923 return 1;
924 }
925 show_boot_progress (128);
926
927 rd_data = (ulong)data;
928 rd_len = size;
929
930 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) {
931 puts ("Can't get ramdisk subimage load address!\n");
932 show_boot_progress (-129);
933 return 1;
934 }
935 show_boot_progress (129);
936
937 images->fit_hdr_rd = fit_hdr;
938 images->fit_uname_rd = fit_uname_ramdisk;
939 images->fit_noffset_rd = rd_noffset;
940 break;
941#endif
942 default:
943 puts ("Wrong Ramdisk Image Format\n");
944 rd_data = rd_len = rd_load = 0;
945 return 1;
946 }
947
948#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
949 /*
950 * We need to copy the ramdisk to SRAM to let Linux boot
951 */
952 if (rd_data) {
953 memmove ((void *)rd_load, (uchar *)rd_data, rd_len);
954 rd_data = rd_load;
955 }
956#endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */
957
958 } else if (images->legacy_hdr_valid &&
959 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
960 /*
961 * Now check if we have a legacy mult-component image,
962 * get second entry data start address and len.
963 */
964 show_boot_progress (13);
965 printf ("## Loading init Ramdisk from multi component "
966 "Legacy Image at %08lx ...\n",
967 (ulong)images->legacy_hdr_os);
968
969 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len);
970 } else {
971 /*
972 * no initrd image
973 */
974 show_boot_progress (14);
975 rd_len = rd_data = 0;
976 }
977
978 if (!rd_data) {
979 debug ("## No init Ramdisk\n");
980 } else {
981 *rd_start = rd_data;
982 *rd_end = rd_data + rd_len;
983 }
984 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
985 *rd_start, *rd_end);
986
987 return 0;
988}
989
990#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
991/**
992 * boot_ramdisk_high - relocate init ramdisk
993 * @lmb: pointer to lmb handle, will be used for memory mgmt
994 * @rd_data: ramdisk data start address
995 * @rd_len: ramdisk data length
996 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
997 * start address (after possible relocation)
998 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
999 * end address (after possible relocation)
1000 *
1001 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
1002 * variable and if requested ramdisk data is moved to a specified location.
1003 *
1004 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1005 * start/end addresses if ramdisk image start and len were provided,
1006 * otherwise set initrd_start and initrd_end set to zeros.
1007 *
1008 * returns:
1009 * 0 - success
1010 * -1 - failure
1011 */
1012int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len,
1013 ulong *initrd_start, ulong *initrd_end)
1014{
1015 char *s;
1016 ulong initrd_high;
1017 int initrd_copy_to_ram = 1;
1018
1019 if ((s = getenv ("initrd_high")) != NULL) {
1020 /* a value of "no" or a similar string will act like 0,
1021 * turning the "load high" feature off. This is intentional.
1022 */
1023 initrd_high = simple_strtoul (s, NULL, 16);
1024 if (initrd_high == ~0)
1025 initrd_copy_to_ram = 0;
1026 } else {
1027 /* not set, no restrictions to load high */
1028 initrd_high = ~0;
1029 }
1030
1031
1032#ifdef CONFIG_LOGBUFFER
1033 /* Prevent initrd from overwriting logbuffer */
1034 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1035#endif
1036
1037 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1038 initrd_high, initrd_copy_to_ram);
1039
1040 if (rd_data) {
1041 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
1042 debug (" in-place initrd\n");
1043 *initrd_start = rd_data;
1044 *initrd_end = rd_data + rd_len;
1045 lmb_reserve(lmb, rd_data, rd_len);
1046 } else {
1047 if (initrd_high)
1048 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high);
1049 else
1050 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000);
1051
1052 if (*initrd_start == 0) {
1053 puts ("ramdisk - allocation error\n");
1054 goto error;
1055 }
1056 show_boot_progress (12);
1057
1058 *initrd_end = *initrd_start + rd_len;
1059 printf (" Loading Ramdisk to %08lx, end %08lx ... ",
1060 *initrd_start, *initrd_end);
1061
1062 memmove_wd ((void *)*initrd_start,
1063 (void *)rd_data, rd_len, CHUNKSZ);
1064
1065 puts ("OK\n");
1066 }
1067 } else {
1068 *initrd_start = 0;
1069 *initrd_end = 0;
1070 }
1071 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1072 *initrd_start, *initrd_end);
1073
1074 return 0;
1075
1076error:
1077 return -1;
1078}
1079#endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */
1080
1081#ifdef CONFIG_OF_LIBFDT
1082static void fdt_error (const char *msg)
1083{
1084 puts ("ERROR: ");
1085 puts (msg);
1086 puts (" - must RESET the board to recover.\n");
1087}
1088
1089static const image_header_t *image_get_fdt (ulong fdt_addr)
1090{
1091 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr;
1092
1093 image_print_contents (fdt_hdr);
1094
1095 puts (" Verifying Checksum ... ");
1096 if (!image_check_hcrc (fdt_hdr)) {
1097 fdt_error ("fdt header checksum invalid");
1098 return NULL;
1099 }
1100
1101 if (!image_check_dcrc (fdt_hdr)) {
1102 fdt_error ("fdt checksum invalid");
1103 return NULL;
1104 }
1105 puts ("OK\n");
1106
1107 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) {
1108 fdt_error ("uImage is not a fdt");
1109 return NULL;
1110 }
1111 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) {
1112 fdt_error ("uImage is compressed");
1113 return NULL;
1114 }
1115 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) {
1116 fdt_error ("uImage data is not a fdt");
1117 return NULL;
1118 }
1119 return fdt_hdr;
1120}
1121
1122/**
1123 * fit_check_fdt - verify FIT format FDT subimage
1124 * @fit_hdr: pointer to the FIT header
1125 * fdt_noffset: FDT subimage node offset within FIT image
1126 * @verify: data CRC verification flag
1127 *
1128 * fit_check_fdt() verifies integrity of the FDT subimage and from
1129 * specified FIT image.
1130 *
1131 * returns:
1132 * 1, on success
1133 * 0, on failure
1134 */
1135#if defined(CONFIG_FIT)
1136static int fit_check_fdt (const void *fit, int fdt_noffset, int verify)
1137{
1138 fit_image_print (fit, fdt_noffset, " ");
1139
1140 if (verify) {
1141 puts (" Verifying Hash Integrity ... ");
1142 if (!fit_image_check_hashes (fit, fdt_noffset)) {
1143 fdt_error ("Bad Data Hash");
1144 return 0;
1145 }
1146 puts ("OK\n");
1147 }
1148
1149 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) {
1150 fdt_error ("Not a FDT image");
1151 return 0;
1152 }
1153
1154 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) {
1155 fdt_error ("FDT image is compressed");
1156 return 0;
1157 }
1158
1159 return 1;
1160}
1161#endif /* CONFIG_FIT */
1162
1163#ifndef CONFIG_SYS_FDT_PAD
1164#define CONFIG_SYS_FDT_PAD 0x3000
1165#endif
1166
1167/**
1168 * boot_relocate_fdt - relocate flat device tree
1169 * @lmb: pointer to lmb handle, will be used for memory mgmt
1170 * @bootmap_base: base address of the bootmap region
1171 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
1172 * @of_size: pointer to a ulong variable, will hold fdt length
1173 *
1174 * boot_relocate_fdt() determines if the of_flat_tree address is within
1175 * the bootmap and if not relocates it into that region
1176 *
1177 * of_flat_tree and of_size are set to final (after relocation) values
1178 *
1179 * returns:
1180 * 0 - success
1181 * 1 - failure
1182 */
1183int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
1184 char **of_flat_tree, ulong *of_size)
1185{
1186 char *fdt_blob = *of_flat_tree;
1187 ulong relocate = 0;
1188 ulong of_len = 0;
1189
1190 /* nothing to do */
1191 if (*of_size == 0)
1192 return 0;
1193
1194 if (fdt_check_header (fdt_blob) != 0) {
1195 fdt_error ("image is not a fdt");
1196 goto error;
1197 }
1198
1199#ifndef CONFIG_SYS_NO_FLASH
1200 /* move the blob if it is in flash (set relocate) */
1201 if (addr2info ((ulong)fdt_blob) != NULL)
1202 relocate = 1;
1203#endif
1204
1205 /*
1206 * The blob needs to be inside the boot mapping.
1207 */
1208 if (fdt_blob < (char *)bootmap_base)
1209 relocate = 1;
1210
1211 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >=
1212 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base))
1213 relocate = 1;
1214
1215 /* move flattend device tree if needed */
1216 if (relocate) {
1217 int err;
1218 ulong of_start = 0;
1219
1220 /* position on a 4K boundary before the alloc_current */
1221 /* Pad the FDT by a specified amount */
1222 of_len = *of_size + CONFIG_SYS_FDT_PAD;
1223 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000,
1224 (CONFIG_SYS_BOOTMAPSZ + bootmap_base));
1225
1226 if (of_start == 0) {
1227 puts("device tree - allocation error\n");
1228 goto error;
1229 }
1230
1231 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
1232 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1,
1233 of_len, of_len);
1234
1235 printf (" Loading Device Tree to %08lx, end %08lx ... ",
1236 of_start, of_start + of_len - 1);
1237
1238 err = fdt_open_into (fdt_blob, (void *)of_start, of_len);
1239 if (err != 0) {
1240 fdt_error ("fdt move failed");
1241 goto error;
1242 }
1243 puts ("OK\n");
1244
1245 *of_flat_tree = (char *)of_start;
1246 *of_size = of_len;
1247 } else {
1248 *of_flat_tree = fdt_blob;
1249 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob;
1250 lmb_reserve(lmb, (ulong)fdt_blob, of_len);
1251 fdt_set_totalsize(*of_flat_tree, of_len);
1252
1253 *of_size = of_len;
1254 }
1255
1256 set_working_fdt_addr(*of_flat_tree);
1257 return 0;
1258
1259error:
1260 return 1;
1261}
1262
1263/**
1264 * boot_get_fdt - main fdt handling routine
1265 * @argc: command argument count
1266 * @argv: command argument list
1267 * @images: pointer to the bootm images structure
1268 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
1269 * @of_size: pointer to a ulong variable, will hold fdt length
1270 *
1271 * boot_get_fdt() is responsible for finding a valid flat device tree image.
1272 * Curently supported are the following ramdisk sources:
1273 * - multicomponent kernel/ramdisk image,
1274 * - commandline provided address of decicated ramdisk image.
1275 *
1276 * returns:
1277 * 0, if fdt image was found and valid, or skipped
1278 * of_flat_tree and of_size are set to fdt start address and length if
1279 * fdt image is found and valid
1280 *
1281 * 1, if fdt image is found but corrupted
1282 * of_flat_tree and of_size are set to 0 if no fdt exists
1283 */
1284int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images,
1285 char **of_flat_tree, ulong *of_size)
1286{
1287 const image_header_t *fdt_hdr;
1288 ulong fdt_addr;
1289 char *fdt_blob = NULL;
1290 ulong image_start, image_end;
1291 ulong load_start, load_end;
1292#if defined(CONFIG_FIT)
1293 void *fit_hdr;
1294 const char *fit_uname_config = NULL;
1295 const char *fit_uname_fdt = NULL;
1296 ulong default_addr;
1297 int cfg_noffset;
1298 int fdt_noffset;
1299 const void *data;
1300 size_t size;
1301#endif
1302
1303 *of_flat_tree = NULL;
1304 *of_size = 0;
1305
1306 if (argc > 3 || genimg_has_config (images)) {
1307#if defined(CONFIG_FIT)
1308 if (argc > 3) {
1309 /*
1310 * If the FDT blob comes from the FIT image and the
1311 * FIT image address is omitted in the command line
1312 * argument, try to use ramdisk or os FIT image
1313 * address or default load address.
1314 */
1315 if (images->fit_uname_rd)
1316 default_addr = (ulong)images->fit_hdr_rd;
1317 else if (images->fit_uname_os)
1318 default_addr = (ulong)images->fit_hdr_os;
1319 else
1320 default_addr = load_addr;
1321
1322 if (fit_parse_conf (argv[3], default_addr,
1323 &fdt_addr, &fit_uname_config)) {
1324 debug ("* fdt: config '%s' from image at 0x%08lx\n",
1325 fit_uname_config, fdt_addr);
1326 } else if (fit_parse_subimage (argv[3], default_addr,
1327 &fdt_addr, &fit_uname_fdt)) {
1328 debug ("* fdt: subimage '%s' from image at 0x%08lx\n",
1329 fit_uname_fdt, fdt_addr);
1330 } else
1331#endif
1332 {
1333 fdt_addr = simple_strtoul(argv[3], NULL, 16);
1334 debug ("* fdt: cmdline image address = 0x%08lx\n",
1335 fdt_addr);
1336 }
1337#if defined(CONFIG_FIT)
1338 } else {
1339 /* use FIT configuration provided in first bootm
1340 * command argument
1341 */
1342 fdt_addr = (ulong)images->fit_hdr_os;
1343 fit_uname_config = images->fit_uname_cfg;
1344 debug ("* fdt: using config '%s' from image at 0x%08lx\n",
1345 fit_uname_config, fdt_addr);
1346
1347 /*
1348 * Check whether configuration has FDT blob defined,
1349 * if not quit silently.
1350 */
1351 fit_hdr = (void *)fdt_addr;
1352 cfg_noffset = fit_conf_get_node (fit_hdr,
1353 fit_uname_config);
1354 if (cfg_noffset < 0) {
1355 debug ("* fdt: no such config\n");
1356 return 0;
1357 }
1358
1359 fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
1360 cfg_noffset);
1361 if (fdt_noffset < 0) {
1362 debug ("* fdt: no fdt in config\n");
1363 return 0;
1364 }
1365 }
1366#endif
1367
1368 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n",
1369 fdt_addr);
1370
1371 /* copy from dataflash if needed */
1372 fdt_addr = genimg_get_image (fdt_addr);
1373
1374 /*
1375 * Check if there is an FDT image at the
1376 * address provided in the second bootm argument
1377 * check image type, for FIT images get a FIT node.
1378 */
1379 switch (genimg_get_format ((void *)fdt_addr)) {
1380 case IMAGE_FORMAT_LEGACY:
1381 /* verify fdt_addr points to a valid image header */
1382 printf ("## Flattened Device Tree from Legacy Image at %08lx\n",
1383 fdt_addr);
1384 fdt_hdr = image_get_fdt (fdt_addr);
1385 if (!fdt_hdr)
1386 goto error;
1387
1388 /*
1389 * move image data to the load address,
1390 * make sure we don't overwrite initial image
1391 */
1392 image_start = (ulong)fdt_hdr;
1393 image_end = image_get_image_end (fdt_hdr);
1394
1395 load_start = image_get_load (fdt_hdr);
1396 load_end = load_start + image_get_data_size (fdt_hdr);
1397
1398 if ((load_start < image_end) && (load_end > image_start)) {
1399 fdt_error ("fdt overwritten");
1400 goto error;
1401 }
1402
1403 debug (" Loading FDT from 0x%08lx to 0x%08lx\n",
1404 image_get_data (fdt_hdr), load_start);
1405
1406 memmove ((void *)load_start,
1407 (void *)image_get_data (fdt_hdr),
1408 image_get_data_size (fdt_hdr));
1409
1410 fdt_blob = (char *)load_start;
1411 break;
1412 case IMAGE_FORMAT_FIT:
1413 /*
1414 * This case will catch both: new uImage format
1415 * (libfdt based) and raw FDT blob (also libfdt
1416 * based).
1417 */
1418#if defined(CONFIG_FIT)
1419 /* check FDT blob vs FIT blob */
1420 if (fit_check_format ((const void *)fdt_addr)) {
1421 /*
1422 * FIT image
1423 */
1424 fit_hdr = (void *)fdt_addr;
1425 printf ("## Flattened Device Tree from FIT Image at %08lx\n",
1426 fdt_addr);
1427
1428 if (!fit_uname_fdt) {
1429 /*
1430 * no FDT blob image node unit name,
1431 * try to get config node first. If
1432 * config unit node name is NULL
1433 * fit_conf_get_node() will try to
1434 * find default config node
1435 */
1436 cfg_noffset = fit_conf_get_node (fit_hdr,
1437 fit_uname_config);
1438
1439 if (cfg_noffset < 0) {
1440 fdt_error ("Could not find configuration node\n");
1441 goto error;
1442 }
1443
1444 fit_uname_config = fdt_get_name (fit_hdr,
1445 cfg_noffset, NULL);
1446 printf (" Using '%s' configuration\n",
1447 fit_uname_config);
1448
1449 fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
1450 cfg_noffset);
1451 fit_uname_fdt = fit_get_name (fit_hdr,
1452 fdt_noffset, NULL);
1453 } else {
1454 /* get FDT component image node offset */
1455 fdt_noffset = fit_image_get_node (fit_hdr,
1456 fit_uname_fdt);
1457 }
1458 if (fdt_noffset < 0) {
1459 fdt_error ("Could not find subimage node\n");
1460 goto error;
1461 }
1462
1463 printf (" Trying '%s' FDT blob subimage\n",
1464 fit_uname_fdt);
1465
1466 if (!fit_check_fdt (fit_hdr, fdt_noffset,
1467 images->verify))
1468 goto error;
1469
1470 /* get ramdisk image data address and length */
1471 if (fit_image_get_data (fit_hdr, fdt_noffset,
1472 &data, &size)) {
1473 fdt_error ("Could not find FDT subimage data");
1474 goto error;
1475 }
1476
1477 /* verift that image data is a proper FDT blob */
1478 if (fdt_check_header ((char *)data) != 0) {
1479 fdt_error ("Subimage data is not a FTD");
1480 goto error;
1481 }
1482
1483 /*
1484 * move image data to the load address,
1485 * make sure we don't overwrite initial image
1486 */
1487 image_start = (ulong)fit_hdr;
1488 image_end = fit_get_end (fit_hdr);
1489
1490 if (fit_image_get_load (fit_hdr, fdt_noffset,
1491 &load_start) == 0) {
1492 load_end = load_start + size;
1493
1494 if ((load_start < image_end) &&
1495 (load_end > image_start)) {
1496 fdt_error ("FDT overwritten");
1497 goto error;
1498 }
1499
1500 printf (" Loading FDT from 0x%08lx to 0x%08lx\n",
1501 (ulong)data, load_start);
1502
1503 memmove ((void *)load_start,
1504 (void *)data, size);
1505
1506 fdt_blob = (char *)load_start;
1507 } else {
1508 fdt_blob = (char *)data;
1509 }
1510
1511 images->fit_hdr_fdt = fit_hdr;
1512 images->fit_uname_fdt = fit_uname_fdt;
1513 images->fit_noffset_fdt = fdt_noffset;
1514 break;
1515 } else
1516#endif
1517 {
1518 /*
1519 * FDT blob
1520 */
1521 fdt_blob = (char *)fdt_addr;
1522 debug ("* fdt: raw FDT blob\n");
1523 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob);
1524 }
1525 break;
1526 default:
1527 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n");
1528 goto error;
1529 }
1530
1531 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob);
1532
1533 } else if (images->legacy_hdr_valid &&
1534 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1535
1536 ulong fdt_data, fdt_len;
1537
1538 /*
1539 * Now check if we have a legacy multi-component image,
1540 * get second entry data start address and len.
1541 */
1542 printf ("## Flattened Device Tree from multi "
1543 "component Image at %08lX\n",
1544 (ulong)images->legacy_hdr_os);
1545
1546 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len);
1547 if (fdt_len) {
1548
1549 fdt_blob = (char *)fdt_data;
1550 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob);
1551
1552 if (fdt_check_header (fdt_blob) != 0) {
1553 fdt_error ("image is not a fdt");
1554 goto error;
1555 }
1556
1557 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) {
1558 fdt_error ("fdt size != image size");
1559 goto error;
1560 }
1561 } else {
1562 debug ("## No Flattened Device Tree\n");
1563 return 0;
1564 }
1565 } else {
1566 debug ("## No Flattened Device Tree\n");
1567 return 0;
1568 }
1569
1570 *of_flat_tree = fdt_blob;
1571 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob));
1572 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n",
1573 (ulong)*of_flat_tree, *of_size);
1574
1575 return 0;
1576
1577error:
1578 *of_flat_tree = 0;
1579 *of_size = 0;
1580 return 1;
1581}
1582#endif /* CONFIG_OF_LIBFDT */
1583
1584#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
1585/**
1586 * boot_get_cmdline - allocate and initialize kernel cmdline
1587 * @lmb: pointer to lmb handle, will be used for memory mgmt
1588 * @cmd_start: pointer to a ulong variable, will hold cmdline start
1589 * @cmd_end: pointer to a ulong variable, will hold cmdline end
1590 * @bootmap_base: ulong variable, holds offset in physical memory to
1591 * base of bootmap
1592 *
1593 * boot_get_cmdline() allocates space for kernel command line below
1594 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt
1595 * variable is present its contents is copied to allocated kernel
1596 * command line.
1597 *
1598 * returns:
1599 * 0 - success
1600 * -1 - failure
1601 */
1602int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end,
1603 ulong bootmap_base)
1604{
1605 char *cmdline;
1606 char *s;
1607
1608 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1609 CONFIG_SYS_BOOTMAPSZ + bootmap_base);
1610
1611 if (cmdline == NULL)
1612 return -1;
1613
1614 if ((s = getenv("bootargs")) == NULL)
1615 s = "";
1616
1617 strcpy(cmdline, s);
1618
1619 *cmd_start = (ulong) & cmdline[0];
1620 *cmd_end = *cmd_start + strlen(cmdline);
1621
1622 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1623
1624 return 0;
1625}
1626
1627/**
1628 * boot_get_kbd - allocate and initialize kernel copy of board info
1629 * @lmb: pointer to lmb handle, will be used for memory mgmt
1630 * @kbd: double pointer to board info data
1631 * @bootmap_base: ulong variable, holds offset in physical memory to
1632 * base of bootmap
1633 *
1634 * boot_get_kbd() allocates space for kernel copy of board info data below
1635 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with
1636 * the current u-boot board info data.
1637 *
1638 * returns:
1639 * 0 - success
1640 * -1 - failure
1641 */
1642int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base)
1643{
1644 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1645 CONFIG_SYS_BOOTMAPSZ + bootmap_base);
1646 if (*kbd == NULL)
1647 return -1;
1648
1649 **kbd = *(gd->bd);
1650
1651 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1652
1653#if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1654 do_bdinfo(NULL, 0, 0, NULL);
1655#endif
1656
1657 return 0;
1658}
1659#endif /* CONFIG_PPC || CONFIG_M68K */
1660#endif /* !USE_HOSTCC */
1661
1662#if defined(CONFIG_FIT)
1663/*****************************************************************************/
1664/* New uImage format routines */
1665/*****************************************************************************/
1666#ifndef USE_HOSTCC
1667static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr,
1668 ulong *addr, const char **name)
1669{
1670 const char *sep;
1671
1672 *addr = addr_curr;
1673 *name = NULL;
1674
1675 sep = strchr (spec, sepc);
1676 if (sep) {
1677 if (sep - spec > 0)
1678 *addr = simple_strtoul (spec, NULL, 16);
1679
1680 *name = sep + 1;
1681 return 1;
1682 }
1683
1684 return 0;
1685}
1686
1687/**
1688 * fit_parse_conf - parse FIT configuration spec
1689 * @spec: input string, containing configuration spec
1690 * @add_curr: current image address (to be used as a possible default)
1691 * @addr: pointer to a ulong variable, will hold FIT image address of a given
1692 * configuration
1693 * @conf_name double pointer to a char, will hold pointer to a configuration
1694 * unit name
1695 *
1696 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
1697 * where <addr> is a FIT image address that contains configuration
1698 * with a <conf> unit name.
1699 *
1700 * Address part is optional, and if omitted default add_curr will
1701 * be used instead.
1702 *
1703 * returns:
1704 * 1 if spec is a valid configuration string,
1705 * addr and conf_name are set accordingly
1706 * 0 otherwise
1707 */
1708inline int fit_parse_conf (const char *spec, ulong addr_curr,
1709 ulong *addr, const char **conf_name)
1710{
1711 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name);
1712}
1713
1714/**
1715 * fit_parse_subimage - parse FIT subimage spec
1716 * @spec: input string, containing subimage spec
1717 * @add_curr: current image address (to be used as a possible default)
1718 * @addr: pointer to a ulong variable, will hold FIT image address of a given
1719 * subimage
1720 * @image_name: double pointer to a char, will hold pointer to a subimage name
1721 *
1722 * fit_parse_subimage() expects subimage spec in the for of
1723 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
1724 * subimage with a <subimg> unit name.
1725 *
1726 * Address part is optional, and if omitted default add_curr will
1727 * be used instead.
1728 *
1729 * returns:
1730 * 1 if spec is a valid subimage string,
1731 * addr and image_name are set accordingly
1732 * 0 otherwise
1733 */
1734inline int fit_parse_subimage (const char *spec, ulong addr_curr,
1735 ulong *addr, const char **image_name)
1736{
1737 return fit_parse_spec (spec, ':', addr_curr, addr, image_name);
1738}
1739#endif /* !USE_HOSTCC */
1740
1741static void fit_get_debug (const void *fit, int noffset,
1742 char *prop_name, int err)
1743{
1744 debug ("Can't get '%s' property from FIT 0x%08lx, "
1745 "node: offset %d, name %s (%s)\n",
1746 prop_name, (ulong)fit, noffset,
1747 fit_get_name (fit, noffset, NULL),
1748 fdt_strerror (err));
1749}
1750
1751/**
1752 * fit_print_contents - prints out the contents of the FIT format image
1753 * @fit: pointer to the FIT format image header
1754 * @p: pointer to prefix string
1755 *
1756 * fit_print_contents() formats a multi line FIT image contents description.
1757 * The routine prints out FIT image properties (root node level) follwed by
1758 * the details of each component image.
1759 *
1760 * returns:
1761 * no returned results
1762 */
1763void fit_print_contents (const void *fit)
1764{
1765 char *desc;
1766 char *uname;
1767 int images_noffset;
1768 int confs_noffset;
1769 int noffset;
1770 int ndepth;
1771 int count = 0;
1772 int ret;
1773 const char *p;
1774#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
1775 time_t timestamp;
1776#endif
1777
1778#ifdef USE_HOSTCC
1779 p = "";
1780#else
1781 p = " ";
1782#endif
1783
1784 /* Root node properties */
1785 ret = fit_get_desc (fit, 0, &desc);
1786 printf ("%sFIT description: ", p);
1787 if (ret)
1788 printf ("unavailable\n");
1789 else
1790 printf ("%s\n", desc);
1791
1792#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
1793 ret = fit_get_timestamp (fit, 0, &timestamp);
1794 printf ("%sCreated: ", p);
1795 if (ret)
1796 printf ("unavailable\n");
1797 else
1798 genimg_print_time (timestamp);
1799#endif
1800
1801 /* Find images parent node offset */
1802 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
1803 if (images_noffset < 0) {
1804 printf ("Can't find images parent node '%s' (%s)\n",
1805 FIT_IMAGES_PATH, fdt_strerror (images_noffset));
1806 return;
1807 }
1808
1809 /* Process its subnodes, print out component images details */
1810 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth);
1811 (noffset >= 0) && (ndepth > 0);
1812 noffset = fdt_next_node (fit, noffset, &ndepth)) {
1813 if (ndepth == 1) {
1814 /*
1815 * Direct child node of the images parent node,
1816 * i.e. component image node.
1817 */
1818 printf ("%s Image %u (%s)\n", p, count++,
1819 fit_get_name(fit, noffset, NULL));
1820
1821 fit_image_print (fit, noffset, p);
1822 }
1823 }
1824
1825 /* Find configurations parent node offset */
1826 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH);
1827 if (confs_noffset < 0) {
1828 debug ("Can't get configurations parent node '%s' (%s)\n",
1829 FIT_CONFS_PATH, fdt_strerror (confs_noffset));
1830 return;
1831 }
1832
1833 /* get default configuration unit name from default property */
1834 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL);
1835 if (uname)
1836 printf ("%s Default Configuration: '%s'\n", p, uname);
1837
1838 /* Process its subnodes, print out configurations details */
1839 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth);
1840 (noffset >= 0) && (ndepth > 0);
1841 noffset = fdt_next_node (fit, noffset, &ndepth)) {
1842 if (ndepth == 1) {
1843 /*
1844 * Direct child node of the configurations parent node,
1845 * i.e. configuration node.
1846 */
1847 printf ("%s Configuration %u (%s)\n", p, count++,
1848 fit_get_name(fit, noffset, NULL));
1849
1850 fit_conf_print (fit, noffset, p);
1851 }
1852 }
1853}
1854
1855/**
1856 * fit_image_print - prints out the FIT component image details
1857 * @fit: pointer to the FIT format image header
1858 * @image_noffset: offset of the component image node
1859 * @p: pointer to prefix string
1860 *
1861 * fit_image_print() lists all mandatory properies for the processed component
1862 * image. If present, hash nodes are printed out as well. Load
1863 * address for images of type firmware is also printed out. Since the load
1864 * address is not mandatory for firmware images, it will be output as
1865 * "unavailable" when not present.
1866 *
1867 * returns:
1868 * no returned results
1869 */
1870void fit_image_print (const void *fit, int image_noffset, const char *p)
1871{
1872 char *desc;
1873 uint8_t type, arch, os, comp;
1874 size_t size;
1875 ulong load, entry;
1876 const void *data;
1877 int noffset;
1878 int ndepth;
1879 int ret;
1880
1881 /* Mandatory properties */
1882 ret = fit_get_desc (fit, image_noffset, &desc);
1883 printf ("%s Description: ", p);
1884 if (ret)
1885 printf ("unavailable\n");
1886 else
1887 printf ("%s\n", desc);
1888
1889 fit_image_get_type (fit, image_noffset, &type);
1890 printf ("%s Type: %s\n", p, genimg_get_type_name (type));
1891
1892 fit_image_get_comp (fit, image_noffset, &comp);
1893 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp));
1894
1895 ret = fit_image_get_data (fit, image_noffset, &data, &size);
1896
1897#ifndef USE_HOSTCC
1898 printf ("%s Data Start: ", p);
1899 if (ret)
1900 printf ("unavailable\n");
1901 else
1902 printf ("0x%08lx\n", (ulong)data);
1903#endif
1904
1905 printf ("%s Data Size: ", p);
1906 if (ret)
1907 printf ("unavailable\n");
1908 else
1909 genimg_print_size (size);
1910
1911 /* Remaining, type dependent properties */
1912 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
1913 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
1914 (type == IH_TYPE_FLATDT)) {
1915 fit_image_get_arch (fit, image_noffset, &arch);
1916 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch));
1917 }
1918
1919 if (type == IH_TYPE_KERNEL) {
1920 fit_image_get_os (fit, image_noffset, &os);
1921 printf ("%s OS: %s\n", p, genimg_get_os_name (os));
1922 }
1923
1924 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
1925 (type == IH_TYPE_FIRMWARE)) {
1926 ret = fit_image_get_load (fit, image_noffset, &load);
1927 printf ("%s Load Address: ", p);
1928 if (ret)
1929 printf ("unavailable\n");
1930 else
1931 printf ("0x%08lx\n", load);
1932 }
1933
1934 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) {
1935 fit_image_get_entry (fit, image_noffset, &entry);
1936 printf ("%s Entry Point: ", p);
1937 if (ret)
1938 printf ("unavailable\n");
1939 else
1940 printf ("0x%08lx\n", entry);
1941 }
1942
1943 /* Process all hash subnodes of the component image node */
1944 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth);
1945 (noffset >= 0) && (ndepth > 0);
1946 noffset = fdt_next_node (fit, noffset, &ndepth)) {
1947 if (ndepth == 1) {
1948 /* Direct child node of the component image node */
1949 fit_image_print_hash (fit, noffset, p);
1950 }
1951 }
1952}
1953
1954/**
1955 * fit_image_print_hash - prints out the hash node details
1956 * @fit: pointer to the FIT format image header
1957 * @noffset: offset of the hash node
1958 * @p: pointer to prefix string
1959 *
1960 * fit_image_print_hash() lists properies for the processed hash node
1961 *
1962 * returns:
1963 * no returned results
1964 */
1965void fit_image_print_hash (const void *fit, int noffset, const char *p)
1966{
1967 char *algo;
1968 uint8_t *value;
1969 int value_len;
1970 int i, ret;
1971
1972 /*
1973 * Check subnode name, must be equal to "hash".
1974 * Multiple hash nodes require unique unit node
1975 * names, e.g. hash@1, hash@2, etc.
1976 */
1977 if (strncmp (fit_get_name(fit, noffset, NULL),
1978 FIT_HASH_NODENAME,
1979 strlen(FIT_HASH_NODENAME)) != 0)
1980 return;
1981
1982 debug ("%s Hash node: '%s'\n", p,
1983 fit_get_name (fit, noffset, NULL));
1984
1985 printf ("%s Hash algo: ", p);
1986 if (fit_image_hash_get_algo (fit, noffset, &algo)) {
1987 printf ("invalid/unsupported\n");
1988 return;
1989 }
1990 printf ("%s\n", algo);
1991
1992 ret = fit_image_hash_get_value (fit, noffset, &value,
1993 &value_len);
1994 printf ("%s Hash value: ", p);
1995 if (ret) {
1996 printf ("unavailable\n");
1997 } else {
1998 for (i = 0; i < value_len; i++)
1999 printf ("%02x", value[i]);
2000 printf ("\n");
2001 }
2002
2003 debug ("%s Hash len: %d\n", p, value_len);
2004}
2005
2006/**
2007 * fit_get_desc - get node description property
2008 * @fit: pointer to the FIT format image header
2009 * @noffset: node offset
2010 * @desc: double pointer to the char, will hold pointer to the descrption
2011 *
2012 * fit_get_desc() reads description property from a given node, if
2013 * description is found pointer to it is returened in third call argument.
2014 *
2015 * returns:
2016 * 0, on success
2017 * -1, on failure
2018 */
2019int fit_get_desc (const void *fit, int noffset, char **desc)
2020{
2021 int len;
2022
2023 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len);
2024 if (*desc == NULL) {
2025 fit_get_debug (fit, noffset, FIT_DESC_PROP, len);
2026 return -1;
2027 }
2028
2029 return 0;
2030}
2031
2032/**
2033 * fit_get_timestamp - get node timestamp property
2034 * @fit: pointer to the FIT format image header
2035 * @noffset: node offset
2036 * @timestamp: pointer to the time_t, will hold read timestamp
2037 *
2038 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp
2039 * is found and has a correct size its value is retured in third call
2040 * argument.
2041 *
2042 * returns:
2043 * 0, on success
2044 * -1, on property read failure
2045 * -2, on wrong timestamp size
2046 */
2047int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp)
2048{
2049 int len;
2050 const void *data;
2051
2052 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len);
2053 if (data == NULL) {
2054 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len);
2055 return -1;
2056 }
2057 if (len != sizeof (uint32_t)) {
2058 debug ("FIT timestamp with incorrect size of (%u)\n", len);
2059 return -2;
2060 }
2061
2062 *timestamp = uimage_to_cpu (*((uint32_t *)data));
2063 return 0;
2064}
2065
2066/**
2067 * fit_image_get_node - get node offset for component image of a given unit name
2068 * @fit: pointer to the FIT format image header
2069 * @image_uname: component image node unit name
2070 *
2071 * fit_image_get_node() finds a component image (withing the '/images'
2072 * node) of a provided unit name. If image is found its node offset is
2073 * returned to the caller.
2074 *
2075 * returns:
2076 * image node offset when found (>=0)
2077 * negative number on failure (FDT_ERR_* code)
2078 */
2079int fit_image_get_node (const void *fit, const char *image_uname)
2080{
2081 int noffset, images_noffset;
2082
2083 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
2084 if (images_noffset < 0) {
2085 debug ("Can't find images parent node '%s' (%s)\n",
2086 FIT_IMAGES_PATH, fdt_strerror (images_noffset));
2087 return images_noffset;
2088 }
2089
2090 noffset = fdt_subnode_offset (fit, images_noffset, image_uname);
2091 if (noffset < 0) {
2092 debug ("Can't get node offset for image unit name: '%s' (%s)\n",
2093 image_uname, fdt_strerror (noffset));
2094 }
2095
2096 return noffset;
2097}
2098
2099/**
2100 * fit_image_get_os - get os id for a given component image node
2101 * @fit: pointer to the FIT format image header
2102 * @noffset: component image node offset
2103 * @os: pointer to the uint8_t, will hold os numeric id
2104 *
2105 * fit_image_get_os() finds os property in a given component image node.
2106 * If the property is found, its (string) value is translated to the numeric
2107 * id which is returned to the caller.
2108 *
2109 * returns:
2110 * 0, on success
2111 * -1, on failure
2112 */
2113int fit_image_get_os (const void *fit, int noffset, uint8_t *os)
2114{
2115 int len;
2116 const void *data;
2117
2118 /* Get OS name from property data */
2119 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len);
2120 if (data == NULL) {
2121 fit_get_debug (fit, noffset, FIT_OS_PROP, len);
2122 *os = -1;
2123 return -1;
2124 }
2125
2126 /* Translate OS name to id */
2127 *os = genimg_get_os_id (data);
2128 return 0;
2129}
2130
2131/**
2132 * fit_image_get_arch - get arch id for a given component image node
2133 * @fit: pointer to the FIT format image header
2134 * @noffset: component image node offset
2135 * @arch: pointer to the uint8_t, will hold arch numeric id
2136 *
2137 * fit_image_get_arch() finds arch property in a given component image node.
2138 * If the property is found, its (string) value is translated to the numeric
2139 * id which is returned to the caller.
2140 *
2141 * returns:
2142 * 0, on success
2143 * -1, on failure
2144 */
2145int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch)
2146{
2147 int len;
2148 const void *data;
2149
2150 /* Get architecture name from property data */
2151 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len);
2152 if (data == NULL) {
2153 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len);
2154 *arch = -1;
2155 return -1;
2156 }
2157
2158 /* Translate architecture name to id */
2159 *arch = genimg_get_arch_id (data);
2160 return 0;
2161}
2162
2163/**
2164 * fit_image_get_type - get type id for a given component image node
2165 * @fit: pointer to the FIT format image header
2166 * @noffset: component image node offset
2167 * @type: pointer to the uint8_t, will hold type numeric id
2168 *
2169 * fit_image_get_type() finds type property in a given component image node.
2170 * If the property is found, its (string) value is translated to the numeric
2171 * id which is returned to the caller.
2172 *
2173 * returns:
2174 * 0, on success
2175 * -1, on failure
2176 */
2177int fit_image_get_type (const void *fit, int noffset, uint8_t *type)
2178{
2179 int len;
2180 const void *data;
2181
2182 /* Get image type name from property data */
2183 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len);
2184 if (data == NULL) {
2185 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len);
2186 *type = -1;
2187 return -1;
2188 }
2189
2190 /* Translate image type name to id */
2191 *type = genimg_get_type_id (data);
2192 return 0;
2193}
2194
2195/**
2196 * fit_image_get_comp - get comp id for a given component image node
2197 * @fit: pointer to the FIT format image header
2198 * @noffset: component image node offset
2199 * @comp: pointer to the uint8_t, will hold comp numeric id
2200 *
2201 * fit_image_get_comp() finds comp property in a given component image node.
2202 * If the property is found, its (string) value is translated to the numeric
2203 * id which is returned to the caller.
2204 *
2205 * returns:
2206 * 0, on success
2207 * -1, on failure
2208 */
2209int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp)
2210{
2211 int len;
2212 const void *data;
2213
2214 /* Get compression name from property data */
2215 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len);
2216 if (data == NULL) {
2217 fit_get_debug (fit, noffset, FIT_COMP_PROP, len);
2218 *comp = -1;
2219 return -1;
2220 }
2221
2222 /* Translate compression name to id */
2223 *comp = genimg_get_comp_id (data);
2224 return 0;
2225}
2226
2227/**
2228 * fit_image_get_load - get load address property for a given component image node
2229 * @fit: pointer to the FIT format image header
2230 * @noffset: component image node offset
2231 * @load: pointer to the uint32_t, will hold load address
2232 *
2233 * fit_image_get_load() finds load address property in a given component image node.
2234 * If the property is found, its value is returned to the caller.
2235 *
2236 * returns:
2237 * 0, on success
2238 * -1, on failure
2239 */
2240int fit_image_get_load (const void *fit, int noffset, ulong *load)
2241{
2242 int len;
2243 const uint32_t *data;
2244
2245 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len);
2246 if (data == NULL) {
2247 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len);
2248 return -1;
2249 }
2250
2251 *load = uimage_to_cpu (*data);
2252 return 0;
2253}
2254
2255/**
2256 * fit_image_get_entry - get entry point address property for a given component image node
2257 * @fit: pointer to the FIT format image header
2258 * @noffset: component image node offset
2259 * @entry: pointer to the uint32_t, will hold entry point address
2260 *
2261 * fit_image_get_entry() finds entry point address property in a given component image node.
2262 * If the property is found, its value is returned to the caller.
2263 *
2264 * returns:
2265 * 0, on success
2266 * -1, on failure
2267 */
2268int fit_image_get_entry (const void *fit, int noffset, ulong *entry)
2269{
2270 int len;
2271 const uint32_t *data;
2272
2273 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len);
2274 if (data == NULL) {
2275 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len);
2276 return -1;
2277 }
2278
2279 *entry = uimage_to_cpu (*data);
2280 return 0;
2281}
2282
2283/**
2284 * fit_image_get_data - get data property and its size for a given component image node
2285 * @fit: pointer to the FIT format image header
2286 * @noffset: component image node offset
2287 * @data: double pointer to void, will hold data property's data address
2288 * @size: pointer to size_t, will hold data property's data size
2289 *
2290 * fit_image_get_data() finds data property in a given component image node.
2291 * If the property is found its data start address and size are returned to
2292 * the caller.
2293 *
2294 * returns:
2295 * 0, on success
2296 * -1, on failure
2297 */
2298int fit_image_get_data (const void *fit, int noffset,
2299 const void **data, size_t *size)
2300{
2301 int len;
2302
2303 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len);
2304 if (*data == NULL) {
2305 fit_get_debug (fit, noffset, FIT_DATA_PROP, len);
2306 *size = 0;
2307 return -1;
2308 }
2309
2310 *size = len;
2311 return 0;
2312}
2313
2314/**
2315 * fit_image_hash_get_algo - get hash algorithm name
2316 * @fit: pointer to the FIT format image header
2317 * @noffset: hash node offset
2318 * @algo: double pointer to char, will hold pointer to the algorithm name
2319 *
2320 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
2321 * If the property is found its data start address is returned to the caller.
2322 *
2323 * returns:
2324 * 0, on success
2325 * -1, on failure
2326 */
2327int fit_image_hash_get_algo (const void *fit, int noffset, char **algo)
2328{
2329 int len;
2330
2331 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len);
2332 if (*algo == NULL) {
2333 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len);
2334 return -1;
2335 }
2336
2337 return 0;
2338}
2339
2340/**
2341 * fit_image_hash_get_value - get hash value and length
2342 * @fit: pointer to the FIT format image header
2343 * @noffset: hash node offset
2344 * @value: double pointer to uint8_t, will hold address of a hash value data
2345 * @value_len: pointer to an int, will hold hash data length
2346 *
2347 * fit_image_hash_get_value() finds hash value property in a given hash node.
2348 * If the property is found its data start address and size are returned to
2349 * the caller.
2350 *
2351 * returns:
2352 * 0, on success
2353 * -1, on failure
2354 */
2355int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value,
2356 int *value_len)
2357{
2358 int len;
2359
2360 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len);
2361 if (*value == NULL) {
2362 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len);
2363 *value_len = 0;
2364 return -1;
2365 }
2366
2367 *value_len = len;
2368 return 0;
2369}
2370
2371/**
2372 * fit_set_timestamp - set node timestamp property
2373 * @fit: pointer to the FIT format image header
2374 * @noffset: node offset
2375 * @timestamp: timestamp value to be set
2376 *
2377 * fit_set_timestamp() attempts to set timestamp property in the requested
2378 * node and returns operation status to the caller.
2379 *
2380 * returns:
2381 * 0, on success
2382 * -1, on property read failure
2383 */
2384int fit_set_timestamp (void *fit, int noffset, time_t timestamp)
2385{
2386 uint32_t t;
2387 int ret;
2388
2389 t = cpu_to_uimage (timestamp);
2390 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t,
2391 sizeof (uint32_t));
2392 if (ret) {
2393 printf ("Can't set '%s' property for '%s' node (%s)\n",
2394 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL),
2395 fdt_strerror (ret));
2396 return -1;
2397 }
2398
2399 return 0;
2400}
2401
2402/**
2403 * calculate_hash - calculate and return hash for provided input data
2404 * @data: pointer to the input data
2405 * @data_len: data length
2406 * @algo: requested hash algorithm
2407 * @value: pointer to the char, will hold hash value data (caller must
2408 * allocate enough free space)
2409 * value_len: length of the calculated hash
2410 *
2411 * calculate_hash() computes input data hash according to the requested algorithm.
2412 * Resulting hash value is placed in caller provided 'value' buffer, length
2413 * of the calculated hash is returned via value_len pointer argument.
2414 *
2415 * returns:
2416 * 0, on success
2417 * -1, when algo is unsupported
2418 */
2419static int calculate_hash (const void *data, int data_len, const char *algo,
2420 uint8_t *value, int *value_len)
2421{
2422 if (strcmp (algo, "crc32") == 0 ) {
2423 *((uint32_t *)value) = crc32_wd (0, data, data_len,
2424 CHUNKSZ_CRC32);
2425 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value));
2426 *value_len = 4;
2427 } else if (strcmp (algo, "sha1") == 0 ) {
2428 sha1_csum_wd ((unsigned char *) data, data_len,
2429 (unsigned char *) value, CHUNKSZ_SHA1);
2430 *value_len = 20;
2431 } else if (strcmp (algo, "md5") == 0 ) {
2432 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
2433 *value_len = 16;
2434 } else {
2435 debug ("Unsupported hash alogrithm\n");
2436 return -1;
2437 }
2438 return 0;
2439}
2440
2441#ifdef USE_HOSTCC
2442/**
2443 * fit_set_hashes - process FIT component image nodes and calculate hashes
2444 * @fit: pointer to the FIT format image header
2445 *
2446 * fit_set_hashes() adds hash values for all component images in the FIT blob.
2447 * Hashes are calculated for all component images which have hash subnodes
2448 * with algorithm property set to one of the supported hash algorithms.
2449 *
2450 * returns
2451 * 0, on success
2452 * libfdt error code, on failure
2453 */
2454int fit_set_hashes (void *fit)
2455{
2456 int images_noffset;
2457 int noffset;
2458 int ndepth;
2459 int ret;
2460
2461 /* Find images parent node offset */
2462 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
2463 if (images_noffset < 0) {
2464 printf ("Can't find images parent node '%s' (%s)\n",
2465 FIT_IMAGES_PATH, fdt_strerror (images_noffset));
2466 return images_noffset;
2467 }
2468
2469 /* Process its subnodes, print out component images details */
2470 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth);
2471 (noffset >= 0) && (ndepth > 0);
2472 noffset = fdt_next_node (fit, noffset, &ndepth)) {
2473 if (ndepth == 1) {
2474 /*
2475 * Direct child node of the images parent node,
2476 * i.e. component image node.
2477 */
2478 ret = fit_image_set_hashes (fit, noffset);
2479 if (ret)
2480 return ret;
2481 }
2482 }
2483
2484 return 0;
2485}
2486
2487/**
2488 * fit_image_set_hashes - calculate/set hashes for given component image node
2489 * @fit: pointer to the FIT format image header
2490 * @image_noffset: requested component image node
2491 *
2492 * fit_image_set_hashes() adds hash values for an component image node. All
2493 * existing hash subnodes are checked, if algorithm property is set to one of
2494 * the supported hash algorithms, hash value is computed and corresponding
2495 * hash node property is set, for example:
2496 *
2497 * Input component image node structure:
2498 *
2499 * o image@1 (at image_noffset)
2500 * | - data = [binary data]
2501 * o hash@1
2502 * |- algo = "sha1"
2503 *
2504 * Output component image node structure:
2505 *
2506 * o image@1 (at image_noffset)
2507 * | - data = [binary data]
2508 * o hash@1
2509 * |- algo = "sha1"
2510 * |- value = sha1(data)
2511 *
2512 * returns:
2513 * 0 on sucess
2514 * <0 on failure
2515 */
2516int fit_image_set_hashes (void *fit, int image_noffset)
2517{
2518 const void *data;
2519 size_t size;
2520 char *algo;
2521 uint8_t value[FIT_MAX_HASH_LEN];
2522 int value_len;
2523 int noffset;
2524 int ndepth;
2525
2526 /* Get image data and data length */
2527 if (fit_image_get_data (fit, image_noffset, &data, &size)) {
2528 printf ("Can't get image data/size\n");
2529 return -1;
2530 }
2531
2532 /* Process all hash subnodes of the component image node */
2533 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth);
2534 (noffset >= 0) && (ndepth > 0);
2535 noffset = fdt_next_node (fit, noffset, &ndepth)) {
2536 if (ndepth == 1) {
2537 /* Direct child node of the component image node */
2538
2539 /*
2540 * Check subnode name, must be equal to "hash".
2541 * Multiple hash nodes require unique unit node
2542 * names, e.g. hash@1, hash@2, etc.
2543 */
2544 if (strncmp (fit_get_name(fit, noffset, NULL),
2545 FIT_HASH_NODENAME,
2546 strlen(FIT_HASH_NODENAME)) != 0) {
2547 /* Not a hash subnode, skip it */
2548 continue;
2549 }
2550
2551 if (fit_image_hash_get_algo (fit, noffset, &algo)) {
2552 printf ("Can't get hash algo property for "
2553 "'%s' hash node in '%s' image node\n",
2554 fit_get_name (fit, noffset, NULL),
2555 fit_get_name (fit, image_noffset, NULL));
2556 return -1;
2557 }
2558
2559 if (calculate_hash (data, size, algo, value, &value_len)) {
2560 printf ("Unsupported hash algorithm (%s) for "
2561 "'%s' hash node in '%s' image node\n",
2562 algo, fit_get_name (fit, noffset, NULL),
2563 fit_get_name (fit, image_noffset, NULL));
2564 return -1;
2565 }
2566
2567 if (fit_image_hash_set_value (fit, noffset, value,
2568 value_len)) {
2569 printf ("Can't set hash value for "
2570 "'%s' hash node in '%s' image node\n",
2571 fit_get_name (fit, noffset, NULL),
2572 fit_get_name (fit, image_noffset, NULL));
2573 return -1;
2574 }
2575 }
2576 }
2577
2578 return 0;
2579}
2580
2581/**
2582 * fit_image_hash_set_value - set hash value in requested has node
2583 * @fit: pointer to the FIT format image header
2584 * @noffset: hash node offset
2585 * @value: hash value to be set
2586 * @value_len: hash value length
2587 *
2588 * fit_image_hash_set_value() attempts to set hash value in a node at offset
2589 * given and returns operation status to the caller.
2590 *
2591 * returns
2592 * 0, on success
2593 * -1, on failure
2594 */
2595int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value,
2596 int value_len)
2597{
2598 int ret;
2599
2600 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len);
2601 if (ret) {
2602 printf ("Can't set hash '%s' property for '%s' node (%s)\n",
2603 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL),
2604 fdt_strerror (ret));
2605 return -1;
2606 }
2607
2608 return 0;
2609}
2610#endif /* USE_HOSTCC */
2611
2612/**
2613 * fit_image_check_hashes - verify data intergity
2614 * @fit: pointer to the FIT format image header
2615 * @image_noffset: component image node offset
2616 *
2617 * fit_image_check_hashes() goes over component image hash nodes,
2618 * re-calculates each data hash and compares with the value stored in hash
2619 * node.
2620 *
2621 * returns:
2622 * 1, if all hashes are valid
2623 * 0, otherwise (or on error)
2624 */
2625int fit_image_check_hashes (const void *fit, int image_noffset)
2626{
2627 const void *data;
2628 size_t size;
2629 char *algo;
2630 uint8_t *fit_value;
2631 int fit_value_len;
2632 uint8_t value[FIT_MAX_HASH_LEN];
2633 int value_len;
2634 int noffset;
2635 int ndepth;
2636 char *err_msg = "";
2637
2638 /* Get image data and data length */
2639 if (fit_image_get_data (fit, image_noffset, &data, &size)) {
2640 printf ("Can't get image data/size\n");
2641 return 0;
2642 }
2643
2644 /* Process all hash subnodes of the component image node */
2645 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth);
2646 (noffset >= 0) && (ndepth > 0);
2647 noffset = fdt_next_node (fit, noffset, &ndepth)) {
2648 if (ndepth == 1) {
2649 /* Direct child node of the component image node */
2650
2651 /*
2652 * Check subnode name, must be equal to "hash".
2653 * Multiple hash nodes require unique unit node
2654 * names, e.g. hash@1, hash@2, etc.
2655 */
2656 if (strncmp (fit_get_name(fit, noffset, NULL),
2657 FIT_HASH_NODENAME,
2658 strlen(FIT_HASH_NODENAME)) != 0)
2659 continue;
2660
2661 if (fit_image_hash_get_algo (fit, noffset, &algo)) {
2662 err_msg = " error!\nCan't get hash algo "
2663 "property";
2664 goto error;
2665 }
2666 printf ("%s", algo);
2667
2668 if (fit_image_hash_get_value (fit, noffset, &fit_value,
2669 &fit_value_len)) {
2670 err_msg = " error!\nCan't get hash value "
2671 "property";
2672 goto error;
2673 }
2674
2675 if (calculate_hash (data, size, algo, value, &value_len)) {
2676 err_msg = " error!\nUnsupported hash algorithm";
2677 goto error;
2678 }
2679
2680 if (value_len != fit_value_len) {
2681 err_msg = " error !\nBad hash value len";
2682 goto error;
2683 } else if (memcmp (value, fit_value, value_len) != 0) {
2684 err_msg = " error!\nBad hash value";
2685 goto error;
2686 }
2687 printf ("+ ");
2688 }
2689 }
2690
2691 return 1;
2692
2693error:
2694 printf ("%s for '%s' hash node in '%s' image node\n",
2695 err_msg, fit_get_name (fit, noffset, NULL),
2696 fit_get_name (fit, image_noffset, NULL));
2697 return 0;
2698}
2699
2700/**
2701 * fit_all_image_check_hashes - verify data intergity for all images
2702 * @fit: pointer to the FIT format image header
2703 *
2704 * fit_all_image_check_hashes() goes over all images in the FIT and
2705 * for every images checks if all it's hashes are valid.
2706 *
2707 * returns:
2708 * 1, if all hashes of all images are valid
2709 * 0, otherwise (or on error)
2710 */
2711int fit_all_image_check_hashes (const void *fit)
2712{
2713 int images_noffset;
2714 int noffset;
2715 int ndepth;
2716 int count;
2717
2718 /* Find images parent node offset */
2719 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH);
2720 if (images_noffset < 0) {
2721 printf ("Can't find images parent node '%s' (%s)\n",
2722 FIT_IMAGES_PATH, fdt_strerror (images_noffset));
2723 return 0;
2724 }
2725
2726 /* Process all image subnodes, check hashes for each */
2727 printf ("## Checking hash(es) for FIT Image at %08lx ...\n",
2728 (ulong)fit);
2729 for (ndepth = 0, count = 0,
2730 noffset = fdt_next_node (fit, images_noffset, &ndepth);
2731 (noffset >= 0) && (ndepth > 0);
2732 noffset = fdt_next_node (fit, noffset, &ndepth)) {
2733 if (ndepth == 1) {
2734 /*
2735 * Direct child node of the images parent node,
2736 * i.e. component image node.
2737 */
2738 printf (" Hash(es) for Image %u (%s): ", count++,
2739 fit_get_name (fit, noffset, NULL));
2740
2741 if (!fit_image_check_hashes (fit, noffset))
2742 return 0;
2743 printf ("\n");
2744 }
2745 }
2746 return 1;
2747}
2748
2749/**
2750 * fit_image_check_os - check whether image node is of a given os type
2751 * @fit: pointer to the FIT format image header
2752 * @noffset: component image node offset
2753 * @os: requested image os
2754 *
2755 * fit_image_check_os() reads image os property and compares its numeric
2756 * id with the requested os. Comparison result is returned to the caller.
2757 *
2758 * returns:
2759 * 1 if image is of given os type
2760 * 0 otherwise (or on error)
2761 */
2762int fit_image_check_os (const void *fit, int noffset, uint8_t os)
2763{
2764 uint8_t image_os;
2765
2766 if (fit_image_get_os (fit, noffset, &image_os))
2767 return 0;
2768 return (os == image_os);
2769}
2770
2771/**
2772 * fit_image_check_arch - check whether image node is of a given arch
2773 * @fit: pointer to the FIT format image header
2774 * @noffset: component image node offset
2775 * @arch: requested imagearch
2776 *
2777 * fit_image_check_arch() reads image arch property and compares its numeric
2778 * id with the requested arch. Comparison result is returned to the caller.
2779 *
2780 * returns:
2781 * 1 if image is of given arch
2782 * 0 otherwise (or on error)
2783 */
2784int fit_image_check_arch (const void *fit, int noffset, uint8_t arch)
2785{
2786 uint8_t image_arch;
2787
2788 if (fit_image_get_arch (fit, noffset, &image_arch))
2789 return 0;
2790 return (arch == image_arch);
2791}
2792
2793/**
2794 * fit_image_check_type - check whether image node is of a given type
2795 * @fit: pointer to the FIT format image header
2796 * @noffset: component image node offset
2797 * @type: requested image type
2798 *
2799 * fit_image_check_type() reads image type property and compares its numeric
2800 * id with the requested type. Comparison result is returned to the caller.
2801 *
2802 * returns:
2803 * 1 if image is of given type
2804 * 0 otherwise (or on error)
2805 */
2806int fit_image_check_type (const void *fit, int noffset, uint8_t type)
2807{
2808 uint8_t image_type;
2809
2810 if (fit_image_get_type (fit, noffset, &image_type))
2811 return 0;
2812 return (type == image_type);
2813}
2814
2815/**
2816 * fit_image_check_comp - check whether image node uses given compression
2817 * @fit: pointer to the FIT format image header
2818 * @noffset: component image node offset
2819 * @comp: requested image compression type
2820 *
2821 * fit_image_check_comp() reads image compression property and compares its
2822 * numeric id with the requested compression type. Comparison result is
2823 * returned to the caller.
2824 *
2825 * returns:
2826 * 1 if image uses requested compression
2827 * 0 otherwise (or on error)
2828 */
2829int fit_image_check_comp (const void *fit, int noffset, uint8_t comp)
2830{
2831 uint8_t image_comp;
2832
2833 if (fit_image_get_comp (fit, noffset, &image_comp))
2834 return 0;
2835 return (comp == image_comp);
2836}
2837
2838/**
2839 * fit_check_format - sanity check FIT image format
2840 * @fit: pointer to the FIT format image header
2841 *
2842 * fit_check_format() runs a basic sanity FIT image verification.
2843 * Routine checks for mandatory properties, nodes, etc.
2844 *
2845 * returns:
2846 * 1, on success
2847 * 0, on failure
2848 */
2849int fit_check_format (const void *fit)
2850{
2851 /* mandatory / node 'description' property */
2852 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) {
2853 debug ("Wrong FIT format: no description\n");
2854 return 0;
2855 }
2856
2857#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
2858 /* mandatory / node 'timestamp' property */
2859 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
2860 debug ("Wrong FIT format: no timestamp\n");
2861 return 0;
2862 }
2863#endif
2864
2865 /* mandatory subimages parent '/images' node */
2866 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) {
2867 debug ("Wrong FIT format: no images parent node\n");
2868 return 0;
2869 }
2870
2871 return 1;
2872}
2873
2874/**
2875 * fit_conf_get_node - get node offset for configuration of a given unit name
2876 * @fit: pointer to the FIT format image header
2877 * @conf_uname: configuration node unit name
2878 *
2879 * fit_conf_get_node() finds a configuration (withing the '/configurations'
2880 * parant node) of a provided unit name. If configuration is found its node offset
2881 * is returned to the caller.
2882 *
2883 * When NULL is provided in second argument fit_conf_get_node() will search
2884 * for a default configuration node instead. Default configuration node unit name
2885 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node.
2886 *
2887 * returns:
2888 * configuration node offset when found (>=0)
2889 * negative number on failure (FDT_ERR_* code)
2890 */
2891int fit_conf_get_node (const void *fit, const char *conf_uname)
2892{
2893 int noffset, confs_noffset;
2894 int len;
2895
2896 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH);
2897 if (confs_noffset < 0) {
2898 debug ("Can't find configurations parent node '%s' (%s)\n",
2899 FIT_CONFS_PATH, fdt_strerror (confs_noffset));
2900 return confs_noffset;
2901 }
2902
2903 if (conf_uname == NULL) {
2904 /* get configuration unit name from the default property */
2905 debug ("No configuration specified, trying default...\n");
2906 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len);
2907 if (conf_uname == NULL) {
2908 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len);
2909 return len;
2910 }
2911 debug ("Found default configuration: '%s'\n", conf_uname);
2912 }
2913
2914 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname);
2915 if (noffset < 0) {
2916 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n",
2917 conf_uname, fdt_strerror (noffset));
2918 }
2919
2920 return noffset;
2921}
2922
2923static int __fit_conf_get_prop_node (const void *fit, int noffset,
2924 const char *prop_name)
2925{
2926 char *uname;
2927 int len;
2928
2929 /* get kernel image unit name from configuration kernel property */
2930 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len);
2931 if (uname == NULL)
2932 return len;
2933
2934 return fit_image_get_node (fit, uname);
2935}
2936
2937/**
2938 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to
2939 * a given configuration
2940 * @fit: pointer to the FIT format image header
2941 * @noffset: configuration node offset
2942 *
2943 * fit_conf_get_kernel_node() retrives kernel image node unit name from
2944 * configuration FIT_KERNEL_PROP property and translates it to the node
2945 * offset.
2946 *
2947 * returns:
2948 * image node offset when found (>=0)
2949 * negative number on failure (FDT_ERR_* code)
2950 */
2951int fit_conf_get_kernel_node (const void *fit, int noffset)
2952{
2953 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP);
2954}
2955
2956/**
2957 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
2958 * a given configuration
2959 * @fit: pointer to the FIT format image header
2960 * @noffset: configuration node offset
2961 *
2962 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
2963 * configuration FIT_KERNEL_PROP property and translates it to the node
2964 * offset.
2965 *
2966 * returns:
2967 * image node offset when found (>=0)
2968 * negative number on failure (FDT_ERR_* code)
2969 */
2970int fit_conf_get_ramdisk_node (const void *fit, int noffset)
2971{
2972 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP);
2973}
2974
2975/**
2976 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
2977 * a given configuration
2978 * @fit: pointer to the FIT format image header
2979 * @noffset: configuration node offset
2980 *
2981 * fit_conf_get_fdt_node() retrives fdt image node unit name from
2982 * configuration FIT_KERNEL_PROP property and translates it to the node
2983 * offset.
2984 *
2985 * returns:
2986 * image node offset when found (>=0)
2987 * negative number on failure (FDT_ERR_* code)
2988 */
2989int fit_conf_get_fdt_node (const void *fit, int noffset)
2990{
2991 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP);
2992}
2993
2994/**
2995 * fit_conf_print - prints out the FIT configuration details
2996 * @fit: pointer to the FIT format image header
2997 * @noffset: offset of the configuration node
2998 * @p: pointer to prefix string
2999 *
3000 * fit_conf_print() lists all mandatory properies for the processed
3001 * configuration node.
3002 *
3003 * returns:
3004 * no returned results
3005 */
3006void fit_conf_print (const void *fit, int noffset, const char *p)
3007{
3008 char *desc;
3009 char *uname;
3010 int ret;
3011
3012 /* Mandatory properties */
3013 ret = fit_get_desc (fit, noffset, &desc);
3014 printf ("%s Description: ", p);
3015 if (ret)
3016 printf ("unavailable\n");
3017 else
3018 printf ("%s\n", desc);
3019
3020 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL);
3021 printf ("%s Kernel: ", p);
3022 if (uname == NULL)
3023 printf ("unavailable\n");
3024 else
3025 printf ("%s\n", uname);
3026
3027 /* Optional properties */
3028 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL);
3029 if (uname)
3030 printf ("%s Init Ramdisk: %s\n", p, uname);
3031
3032 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL);
3033 if (uname)
3034 printf ("%s FDT: %s\n", p, uname);
3035}
3036
3037/**
3038 * fit_check_ramdisk - verify FIT format ramdisk subimage
3039 * @fit_hdr: pointer to the FIT ramdisk header
3040 * @rd_noffset: ramdisk subimage node offset within FIT image
3041 * @arch: requested ramdisk image architecture type
3042 * @verify: data CRC verification flag
3043 *
3044 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
3045 * specified FIT image.
3046 *
3047 * returns:
3048 * 1, on success
3049 * 0, on failure
3050 */
3051#ifndef USE_HOSTCC
3052static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify)
3053{
3054 fit_image_print (fit, rd_noffset, " ");
3055
3056 if (verify) {
3057 puts (" Verifying Hash Integrity ... ");
3058 if (!fit_image_check_hashes (fit, rd_noffset)) {
3059 puts ("Bad Data Hash\n");
3060 show_boot_progress (-125);
3061 return 0;
3062 }
3063 puts ("OK\n");
3064 }
3065
3066 show_boot_progress (126);
3067 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) ||
3068 !fit_image_check_arch (fit, rd_noffset, arch) ||
3069 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) {
3070 printf ("No Linux %s Ramdisk Image\n",
3071 genimg_get_arch_name(arch));
3072 show_boot_progress (-126);
3073 return 0;
3074 }
3075
3076 show_boot_progress (127);
3077 return 1;
3078}
3079#endif /* USE_HOSTCC */
3080#endif /* CONFIG_FIT */