2 * (C) Copyright 2008 Semihalf
4 * (C) Copyright 2000-2006
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 #ifdef CONFIG_SHOW_BOOT_PROGRESS
31 #include <status_led.h>
34 #ifdef CONFIG_HAS_DATAFLASH
35 #include <dataflash.h>
38 #ifdef CONFIG_LOGBUFFER
42 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
46 #include <environment.h>
49 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
51 #include <fdt_support.h>
54 #if defined(CONFIG_FIT)
55 #include <u-boot/md5.h>
58 static int fit_check_ramdisk(const void *fit
, int os_noffset
,
59 uint8_t arch
, int verify
);
63 extern int do_bdinfo(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
66 DECLARE_GLOBAL_DATA_PTR
;
68 static const image_header_t
*image_get_ramdisk(ulong rd_addr
, uint8_t arch
,
72 #include <u-boot/md5.h>
75 #endif /* !USE_HOSTCC*/
77 #include <u-boot/crc.h>
79 static const table_entry_t uimage_arch
[] = {
80 { IH_ARCH_INVALID
, NULL
, "Invalid ARCH", },
81 { IH_ARCH_ALPHA
, "alpha", "Alpha", },
82 { IH_ARCH_ARM
, "arm", "ARM", },
83 { IH_ARCH_I386
, "x86", "Intel x86", },
84 { IH_ARCH_IA64
, "ia64", "IA64", },
85 { IH_ARCH_M68K
, "m68k", "M68K", },
86 { IH_ARCH_MICROBLAZE
, "microblaze", "MicroBlaze", },
87 { IH_ARCH_MIPS
, "mips", "MIPS", },
88 { IH_ARCH_MIPS64
, "mips64", "MIPS 64 Bit", },
89 { IH_ARCH_NIOS2
, "nios2", "NIOS II", },
90 { IH_ARCH_PPC
, "powerpc", "PowerPC", },
91 { IH_ARCH_PPC
, "ppc", "PowerPC", },
92 { IH_ARCH_S390
, "s390", "IBM S390", },
93 { IH_ARCH_SH
, "sh", "SuperH", },
94 { IH_ARCH_SPARC
, "sparc", "SPARC", },
95 { IH_ARCH_SPARC64
, "sparc64", "SPARC 64 Bit", },
96 { IH_ARCH_BLACKFIN
, "blackfin", "Blackfin", },
97 { IH_ARCH_AVR32
, "avr32", "AVR32", },
98 { IH_ARCH_NDS32
, "nds32", "NDS32", },
99 { IH_ARCH_OPENRISC
, "or1k", "OpenRISC 1000",},
103 static const table_entry_t uimage_os
[] = {
104 { IH_OS_INVALID
, NULL
, "Invalid OS", },
105 { IH_OS_LINUX
, "linux", "Linux", },
106 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
107 { IH_OS_LYNXOS
, "lynxos", "LynxOS", },
109 { IH_OS_NETBSD
, "netbsd", "NetBSD", },
110 { IH_OS_OSE
, "ose", "Enea OSE", },
111 { IH_OS_PLAN9
, "plan9", "Plan 9", },
112 { IH_OS_RTEMS
, "rtems", "RTEMS", },
113 { IH_OS_U_BOOT
, "u-boot", "U-Boot", },
114 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
115 { IH_OS_QNX
, "qnx", "QNX", },
116 { IH_OS_VXWORKS
, "vxworks", "VxWorks", },
118 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
119 { IH_OS_INTEGRITY
,"integrity", "INTEGRITY", },
122 { IH_OS_4_4BSD
, "4_4bsd", "4_4BSD", },
123 { IH_OS_DELL
, "dell", "Dell", },
124 { IH_OS_ESIX
, "esix", "Esix", },
125 { IH_OS_FREEBSD
, "freebsd", "FreeBSD", },
126 { IH_OS_IRIX
, "irix", "Irix", },
127 { IH_OS_NCR
, "ncr", "NCR", },
128 { IH_OS_OPENBSD
, "openbsd", "OpenBSD", },
129 { IH_OS_PSOS
, "psos", "pSOS", },
130 { IH_OS_SCO
, "sco", "SCO", },
131 { IH_OS_SOLARIS
, "solaris", "Solaris", },
132 { IH_OS_SVR4
, "svr4", "SVR4", },
137 static const table_entry_t uimage_type
[] = {
138 { IH_TYPE_AISIMAGE
, "aisimage", "Davinci AIS image",},
139 { IH_TYPE_FILESYSTEM
, "filesystem", "Filesystem Image", },
140 { IH_TYPE_FIRMWARE
, "firmware", "Firmware", },
141 { IH_TYPE_FLATDT
, "flat_dt", "Flat Device Tree", },
142 { IH_TYPE_KERNEL
, "kernel", "Kernel Image", },
143 { IH_TYPE_KERNEL_NOLOAD
, "kernel_noload", "Kernel Image (no loading done)", },
144 { IH_TYPE_KWBIMAGE
, "kwbimage", "Kirkwood Boot Image",},
145 { IH_TYPE_IMXIMAGE
, "imximage", "Freescale i.MX Boot Image",},
146 { IH_TYPE_INVALID
, NULL
, "Invalid Image", },
147 { IH_TYPE_MULTI
, "multi", "Multi-File Image", },
148 { IH_TYPE_OMAPIMAGE
, "omapimage", "TI OMAP SPL With GP CH",},
149 { IH_TYPE_PBLIMAGE
, "pblimage", "Freescale PBL Boot Image",},
150 { IH_TYPE_RAMDISK
, "ramdisk", "RAMDisk Image", },
151 { IH_TYPE_SCRIPT
, "script", "Script", },
152 { IH_TYPE_STANDALONE
, "standalone", "Standalone Program", },
153 { IH_TYPE_UBLIMAGE
, "ublimage", "Davinci UBL image",},
157 static const table_entry_t uimage_comp
[] = {
158 { IH_COMP_NONE
, "none", "uncompressed", },
159 { IH_COMP_BZIP2
, "bzip2", "bzip2 compressed", },
160 { IH_COMP_GZIP
, "gzip", "gzip compressed", },
161 { IH_COMP_LZMA
, "lzma", "lzma compressed", },
162 { IH_COMP_LZO
, "lzo", "lzo compressed", },
166 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
167 static void genimg_print_time(time_t timestamp
);
170 /*****************************************************************************/
171 /* Legacy format routines */
172 /*****************************************************************************/
173 int image_check_hcrc(const image_header_t
*hdr
)
176 ulong len
= image_get_header_size();
177 image_header_t header
;
179 /* Copy header so we can blank CRC field for re-calculation */
180 memmove(&header
, (char *)hdr
, image_get_header_size());
181 image_set_hcrc(&header
, 0);
183 hcrc
= crc32(0, (unsigned char *)&header
, len
);
185 return (hcrc
== image_get_hcrc(hdr
));
188 int image_check_dcrc(const image_header_t
*hdr
)
190 ulong data
= image_get_data(hdr
);
191 ulong len
= image_get_data_size(hdr
);
192 ulong dcrc
= crc32_wd(0, (unsigned char *)data
, len
, CHUNKSZ_CRC32
);
194 return (dcrc
== image_get_dcrc(hdr
));
198 * image_multi_count - get component (sub-image) count
199 * @hdr: pointer to the header of the multi component image
201 * image_multi_count() returns number of components in a multi
204 * Note: no checking of the image type is done, caller must pass
205 * a valid multi component image.
208 * number of components
210 ulong
image_multi_count(const image_header_t
*hdr
)
215 /* get start of the image payload, which in case of multi
216 * component images that points to a table of component sizes */
217 size
= (uint32_t *)image_get_data(hdr
);
219 /* count non empty slots */
220 for (i
= 0; size
[i
]; ++i
)
227 * image_multi_getimg - get component data address and size
228 * @hdr: pointer to the header of the multi component image
229 * @idx: index of the requested component
230 * @data: pointer to a ulong variable, will hold component data address
231 * @len: pointer to a ulong variable, will hold component size
233 * image_multi_getimg() returns size and data address for the requested
234 * component in a multi component image.
236 * Note: no checking of the image type is done, caller must pass
237 * a valid multi component image.
240 * data address and size of the component, if idx is valid
241 * 0 in data and len, if idx is out of range
243 void image_multi_getimg(const image_header_t
*hdr
, ulong idx
,
244 ulong
*data
, ulong
*len
)
248 ulong offset
, count
, img_data
;
250 /* get number of component */
251 count
= image_multi_count(hdr
);
253 /* get start of the image payload, which in case of multi
254 * component images that points to a table of component sizes */
255 size
= (uint32_t *)image_get_data(hdr
);
257 /* get address of the proper component data start, which means
258 * skipping sizes table (add 1 for last, null entry) */
259 img_data
= image_get_data(hdr
) + (count
+ 1) * sizeof(uint32_t);
262 *len
= uimage_to_cpu(size
[idx
]);
265 /* go over all indices preceding requested component idx */
266 for (i
= 0; i
< idx
; i
++) {
267 /* add up i-th component size, rounding up to 4 bytes */
268 offset
+= (uimage_to_cpu(size
[i
]) + 3) & ~3 ;
271 /* calculate idx-th component data address */
272 *data
= img_data
+ offset
;
279 static void image_print_type(const image_header_t
*hdr
)
281 const char *os
, *arch
, *type
, *comp
;
283 os
= genimg_get_os_name(image_get_os(hdr
));
284 arch
= genimg_get_arch_name(image_get_arch(hdr
));
285 type
= genimg_get_type_name(image_get_type(hdr
));
286 comp
= genimg_get_comp_name(image_get_comp(hdr
));
288 printf("%s %s %s (%s)\n", arch
, os
, type
, comp
);
292 * image_print_contents - prints out the contents of the legacy format image
293 * @ptr: pointer to the legacy format image header
294 * @p: pointer to prefix string
296 * image_print_contents() formats a multi line legacy image contents description.
297 * The routine prints out all header fields followed by the size/offset data
298 * for MULTI/SCRIPT images.
301 * no returned results
303 void image_print_contents(const void *ptr
)
305 const image_header_t
*hdr
= (const image_header_t
*)ptr
;
314 printf("%sImage Name: %.*s\n", p
, IH_NMLEN
, image_get_name(hdr
));
315 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
316 printf("%sCreated: ", p
);
317 genimg_print_time((time_t)image_get_time(hdr
));
319 printf("%sImage Type: ", p
);
320 image_print_type(hdr
);
321 printf("%sData Size: ", p
);
322 genimg_print_size(image_get_data_size(hdr
));
323 printf("%sLoad Address: %08x\n", p
, image_get_load(hdr
));
324 printf("%sEntry Point: %08x\n", p
, image_get_ep(hdr
));
326 if (image_check_type(hdr
, IH_TYPE_MULTI
) ||
327 image_check_type(hdr
, IH_TYPE_SCRIPT
)) {
330 ulong count
= image_multi_count(hdr
);
332 printf("%sContents:\n", p
);
333 for (i
= 0; i
< count
; i
++) {
334 image_multi_getimg(hdr
, i
, &data
, &len
);
336 printf("%s Image %d: ", p
, i
);
337 genimg_print_size(len
);
339 if (image_check_type(hdr
, IH_TYPE_SCRIPT
) && i
> 0) {
341 * the user may need to know offsets
342 * if planning to do something with
345 printf("%s Offset = 0x%08lx\n", p
, data
);
354 * image_get_ramdisk - get and verify ramdisk image
355 * @rd_addr: ramdisk image start address
356 * @arch: expected ramdisk architecture
357 * @verify: checksum verification flag
359 * image_get_ramdisk() returns a pointer to the verified ramdisk image
360 * header. Routine receives image start address and expected architecture
361 * flag. Verification done covers data and header integrity and os/type/arch
364 * If dataflash support is enabled routine checks for dataflash addresses
365 * and handles required dataflash reads.
368 * pointer to a ramdisk image header, if image was found and valid
369 * otherwise, return NULL
371 static const image_header_t
*image_get_ramdisk(ulong rd_addr
, uint8_t arch
,
374 const image_header_t
*rd_hdr
= (const image_header_t
*)rd_addr
;
376 if (!image_check_magic(rd_hdr
)) {
377 puts("Bad Magic Number\n");
378 bootstage_error(BOOTSTAGE_ID_RD_MAGIC
);
382 if (!image_check_hcrc(rd_hdr
)) {
383 puts("Bad Header Checksum\n");
384 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM
);
388 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC
);
389 image_print_contents(rd_hdr
);
392 puts(" Verifying Checksum ... ");
393 if (!image_check_dcrc(rd_hdr
)) {
394 puts("Bad Data CRC\n");
395 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM
);
401 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM
);
403 if (!image_check_os(rd_hdr
, IH_OS_LINUX
) ||
404 !image_check_arch(rd_hdr
, arch
) ||
405 !image_check_type(rd_hdr
, IH_TYPE_RAMDISK
)) {
406 printf("No Linux %s Ramdisk Image\n",
407 genimg_get_arch_name(arch
));
408 bootstage_error(BOOTSTAGE_ID_RAMDISK
);
414 #endif /* !USE_HOSTCC */
416 /*****************************************************************************/
417 /* Shared dual-format routines */
418 /*****************************************************************************/
420 ulong load_addr
= CONFIG_SYS_LOAD_ADDR
; /* Default Load Address */
421 ulong save_addr
; /* Default Save Address */
422 ulong save_size
; /* Default Save Size (in bytes) */
424 static int on_loadaddr(const char *name
, const char *value
, enum env_op op
,
429 case env_op_overwrite
:
430 load_addr
= simple_strtoul(value
, NULL
, 16);
438 U_BOOT_ENV_CALLBACK(loadaddr
, on_loadaddr
);
440 ulong
getenv_bootm_low(void)
442 char *s
= getenv("bootm_low");
444 ulong tmp
= simple_strtoul(s
, NULL
, 16);
448 #if defined(CONFIG_SYS_SDRAM_BASE)
449 return CONFIG_SYS_SDRAM_BASE
;
450 #elif defined(CONFIG_ARM)
451 return gd
->bd
->bi_dram
[0].start
;
457 phys_size_t
getenv_bootm_size(void)
460 char *s
= getenv("bootm_size");
462 tmp
= (phys_size_t
)simple_strtoull(s
, NULL
, 16);
465 s
= getenv("bootm_low");
467 tmp
= (phys_size_t
)simple_strtoull(s
, NULL
, 16);
472 #if defined(CONFIG_ARM)
473 return gd
->bd
->bi_dram
[0].size
- tmp
;
475 return gd
->bd
->bi_memsize
- tmp
;
479 phys_size_t
getenv_bootm_mapsize(void)
482 char *s
= getenv("bootm_mapsize");
484 tmp
= (phys_size_t
)simple_strtoull(s
, NULL
, 16);
488 #if defined(CONFIG_SYS_BOOTMAPSZ)
489 return CONFIG_SYS_BOOTMAPSZ
;
491 return getenv_bootm_size();
495 void memmove_wd(void *to
, void *from
, size_t len
, ulong chunksz
)
500 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
502 size_t tail
= (len
> chunksz
) ? chunksz
: len
;
504 memmove(to
, from
, tail
);
509 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
510 memmove(to
, from
, len
);
511 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
513 #endif /* !USE_HOSTCC */
515 void genimg_print_size(uint32_t size
)
518 printf("%d Bytes = ", size
);
519 print_size(size
, "\n");
521 printf("%d Bytes = %.2f kB = %.2f MB\n",
522 size
, (double)size
/ 1.024e3
,
523 (double)size
/ 1.048576e6
);
527 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
528 static void genimg_print_time(time_t timestamp
)
533 to_tm(timestamp
, &tm
);
534 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
535 tm
.tm_year
, tm
.tm_mon
, tm
.tm_mday
,
536 tm
.tm_hour
, tm
.tm_min
, tm
.tm_sec
);
538 printf("%s", ctime(×tamp
));
541 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */
544 * get_table_entry_name - translate entry id to long name
545 * @table: pointer to a translation table for entries of a specific type
546 * @msg: message to be returned when translation fails
547 * @id: entry id to be translated
549 * get_table_entry_name() will go over translation table trying to find
550 * entry that matches given id. If matching entry is found, its long
551 * name is returned to the caller.
554 * long entry name if translation succeeds
557 char *get_table_entry_name(const table_entry_t
*table
, char *msg
, int id
)
559 for (; table
->id
>= 0; ++table
) {
561 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
564 return table
->lname
+ gd
->reloc_off
;
570 const char *genimg_get_os_name(uint8_t os
)
572 return (get_table_entry_name(uimage_os
, "Unknown OS", os
));
575 const char *genimg_get_arch_name(uint8_t arch
)
577 return (get_table_entry_name(uimage_arch
, "Unknown Architecture",
581 const char *genimg_get_type_name(uint8_t type
)
583 return (get_table_entry_name(uimage_type
, "Unknown Image", type
));
586 const char *genimg_get_comp_name(uint8_t comp
)
588 return (get_table_entry_name(uimage_comp
, "Unknown Compression",
593 * get_table_entry_id - translate short entry name to id
594 * @table: pointer to a translation table for entries of a specific type
595 * @table_name: to be used in case of error
596 * @name: entry short name to be translated
598 * get_table_entry_id() will go over translation table trying to find
599 * entry that matches given short name. If matching entry is found,
600 * its id returned to the caller.
603 * entry id if translation succeeds
606 int get_table_entry_id(const table_entry_t
*table
,
607 const char *table_name
, const char *name
)
609 const table_entry_t
*t
;
613 for (t
= table
; t
->id
>= 0; ++t
) {
614 if (t
->sname
&& strcasecmp(t
->sname
, name
) == 0)
618 fprintf(stderr
, "\nInvalid %s Type - valid names are", table_name
);
619 for (t
= table
; t
->id
>= 0; ++t
) {
620 if (t
->sname
== NULL
)
622 fprintf(stderr
, "%c %s", (first
) ? ':' : ',', t
->sname
);
625 fprintf(stderr
, "\n");
627 for (t
= table
; t
->id
>= 0; ++t
) {
628 #ifdef CONFIG_NEEDS_MANUAL_RELOC
629 if (t
->sname
&& strcmp(t
->sname
+ gd
->reloc_off
, name
) == 0)
631 if (t
->sname
&& strcmp(t
->sname
, name
) == 0)
635 debug("Invalid %s Type: %s\n", table_name
, name
);
636 #endif /* USE_HOSTCC */
640 int genimg_get_os_id(const char *name
)
642 return (get_table_entry_id(uimage_os
, "OS", name
));
645 int genimg_get_arch_id(const char *name
)
647 return (get_table_entry_id(uimage_arch
, "CPU", name
));
650 int genimg_get_type_id(const char *name
)
652 return (get_table_entry_id(uimage_type
, "Image", name
));
655 int genimg_get_comp_id(const char *name
)
657 return (get_table_entry_id(uimage_comp
, "Compression", name
));
662 * genimg_get_format - get image format type
663 * @img_addr: image start address
665 * genimg_get_format() checks whether provided address points to a valid
666 * legacy or FIT image.
668 * New uImage format and FDT blob are based on a libfdt. FDT blob
669 * may be passed directly or embedded in a FIT image. In both situations
670 * genimg_get_format() must be able to dectect libfdt header.
673 * image format type or IMAGE_FORMAT_INVALID if no image is present
675 int genimg_get_format(void *img_addr
)
677 ulong format
= IMAGE_FORMAT_INVALID
;
678 const image_header_t
*hdr
;
679 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
683 hdr
= (const image_header_t
*)img_addr
;
684 if (image_check_magic(hdr
))
685 format
= IMAGE_FORMAT_LEGACY
;
686 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
688 fit_hdr
= (char *)img_addr
;
689 if (fdt_check_header(fit_hdr
) == 0)
690 format
= IMAGE_FORMAT_FIT
;
698 * genimg_get_image - get image from special storage (if necessary)
699 * @img_addr: image start address
701 * genimg_get_image() checks if provided image start adddress is located
702 * in a dataflash storage. If so, image is moved to a system RAM memory.
705 * image start address after possible relocation from special storage
707 ulong
genimg_get_image(ulong img_addr
)
709 ulong ram_addr
= img_addr
;
711 #ifdef CONFIG_HAS_DATAFLASH
712 ulong h_size
, d_size
;
714 if (addr_dataflash(img_addr
)) {
715 /* ger RAM address */
716 ram_addr
= CONFIG_SYS_LOAD_ADDR
;
718 /* get header size */
719 h_size
= image_get_header_size();
720 #if defined(CONFIG_FIT)
721 if (sizeof(struct fdt_header
) > h_size
)
722 h_size
= sizeof(struct fdt_header
);
726 debug(" Reading image header from dataflash address "
727 "%08lx to RAM address %08lx\n", img_addr
, ram_addr
);
729 read_dataflash(img_addr
, h_size
, (char *)ram_addr
);
732 switch (genimg_get_format((void *)ram_addr
)) {
733 case IMAGE_FORMAT_LEGACY
:
734 d_size
= image_get_data_size(
735 (const image_header_t
*)ram_addr
);
736 debug(" Legacy format image found at 0x%08lx, "
740 #if defined(CONFIG_FIT)
741 case IMAGE_FORMAT_FIT
:
742 d_size
= fit_get_size((const void *)ram_addr
) - h_size
;
743 debug(" FIT/FDT format image found at 0x%08lx, "
749 printf(" No valid image found at 0x%08lx\n",
754 /* read in image data */
755 debug(" Reading image remaining data from dataflash address "
756 "%08lx to RAM address %08lx\n", img_addr
+ h_size
,
759 read_dataflash(img_addr
+ h_size
, d_size
,
760 (char *)(ram_addr
+ h_size
));
763 #endif /* CONFIG_HAS_DATAFLASH */
769 * fit_has_config - check if there is a valid FIT configuration
770 * @images: pointer to the bootm command headers structure
772 * fit_has_config() checks if there is a FIT configuration in use
773 * (if FTI support is present).
776 * 0, no FIT support or no configuration found
777 * 1, configuration found
779 int genimg_has_config(bootm_headers_t
*images
)
781 #if defined(CONFIG_FIT)
782 if (images
->fit_uname_cfg
)
789 * boot_get_ramdisk - main ramdisk handling routine
790 * @argc: command argument count
791 * @argv: command argument list
792 * @images: pointer to the bootm images structure
793 * @arch: expected ramdisk architecture
794 * @rd_start: pointer to a ulong variable, will hold ramdisk start address
795 * @rd_end: pointer to a ulong variable, will hold ramdisk end
797 * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
798 * Curently supported are the following ramdisk sources:
799 * - multicomponent kernel/ramdisk image,
800 * - commandline provided address of decicated ramdisk image.
803 * 0, if ramdisk image was found and valid, or skiped
804 * rd_start and rd_end are set to ramdisk start/end addresses if
805 * ramdisk image is found and valid
807 * 1, if ramdisk image is found but corrupted, or invalid
808 * rd_start and rd_end are set to 0 if no ramdisk exists
810 int boot_get_ramdisk(int argc
, char * const argv
[], bootm_headers_t
*images
,
811 uint8_t arch
, ulong
*rd_start
, ulong
*rd_end
)
813 ulong rd_addr
, rd_load
;
814 ulong rd_data
, rd_len
;
815 const image_header_t
*rd_hdr
;
816 #ifdef CONFIG_SUPPORT_RAW_INITRD
819 #if defined(CONFIG_FIT)
821 const char *fit_uname_config
= NULL
;
822 const char *fit_uname_ramdisk
= NULL
;
834 * Look for a '-' which indicates to ignore the
837 if ((argc
>= 3) && (strcmp(argv
[2], "-") == 0)) {
838 debug("## Skipping init Ramdisk\n");
839 rd_len
= rd_data
= 0;
840 } else if (argc
>= 3 || genimg_has_config(images
)) {
841 #if defined(CONFIG_FIT)
844 * If the init ramdisk comes from the FIT image and
845 * the FIT image address is omitted in the command
846 * line argument, try to use os FIT image address or
847 * default load address.
849 if (images
->fit_uname_os
)
850 default_addr
= (ulong
)images
->fit_hdr_os
;
852 default_addr
= load_addr
;
854 if (fit_parse_conf(argv
[2], default_addr
,
855 &rd_addr
, &fit_uname_config
)) {
856 debug("* ramdisk: config '%s' from image at "
858 fit_uname_config
, rd_addr
);
859 } else if (fit_parse_subimage(argv
[2], default_addr
,
860 &rd_addr
, &fit_uname_ramdisk
)) {
861 debug("* ramdisk: subimage '%s' from image at "
863 fit_uname_ramdisk
, rd_addr
);
867 rd_addr
= simple_strtoul(argv
[2], NULL
, 16);
868 debug("* ramdisk: cmdline image address = "
872 #if defined(CONFIG_FIT)
874 /* use FIT configuration provided in first bootm
877 rd_addr
= (ulong
)images
->fit_hdr_os
;
878 fit_uname_config
= images
->fit_uname_cfg
;
879 debug("* ramdisk: using config '%s' from image "
881 fit_uname_config
, rd_addr
);
884 * Check whether configuration has ramdisk defined,
885 * if not, don't try to use it, quit silently.
887 fit_hdr
= (void *)rd_addr
;
888 cfg_noffset
= fit_conf_get_node(fit_hdr
,
890 if (cfg_noffset
< 0) {
891 debug("* ramdisk: no such config\n");
895 rd_noffset
= fit_conf_get_ramdisk_node(fit_hdr
,
897 if (rd_noffset
< 0) {
898 debug("* ramdisk: no ramdisk in config\n");
904 /* copy from dataflash if needed */
905 rd_addr
= genimg_get_image(rd_addr
);
908 * Check if there is an initrd image at the
909 * address provided in the second bootm argument
910 * check image type, for FIT images get FIT node.
912 switch (genimg_get_format((void *)rd_addr
)) {
913 case IMAGE_FORMAT_LEGACY
:
914 printf("## Loading init Ramdisk from Legacy "
915 "Image at %08lx ...\n", rd_addr
);
917 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK
);
918 rd_hdr
= image_get_ramdisk(rd_addr
, arch
,
924 rd_data
= image_get_data(rd_hdr
);
925 rd_len
= image_get_data_size(rd_hdr
);
926 rd_load
= image_get_load(rd_hdr
);
928 #if defined(CONFIG_FIT)
929 case IMAGE_FORMAT_FIT
:
930 fit_hdr
= (void *)rd_addr
;
931 printf("## Loading init Ramdisk from FIT "
932 "Image at %08lx ...\n", rd_addr
);
934 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT
);
935 if (!fit_check_format(fit_hdr
)) {
936 puts("Bad FIT ramdisk image format!\n");
938 BOOTSTAGE_ID_FIT_RD_FORMAT
);
941 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT_OK
);
943 if (!fit_uname_ramdisk
) {
945 * no ramdisk image node unit name, try to get config
946 * node first. If config unit node name is NULL
947 * fit_conf_get_node() will try to find default config node
950 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME
);
951 cfg_noffset
= fit_conf_get_node(fit_hdr
,
953 if (cfg_noffset
< 0) {
954 puts("Could not find configuration "
957 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME
);
960 fit_uname_config
= fdt_get_name(fit_hdr
,
962 printf(" Using '%s' configuration\n",
965 rd_noffset
= fit_conf_get_ramdisk_node(fit_hdr
,
967 fit_uname_ramdisk
= fit_get_name(fit_hdr
,
970 /* get ramdisk component image node offset */
972 BOOTSTAGE_ID_FIT_RD_UNIT_NAME
);
973 rd_noffset
= fit_image_get_node(fit_hdr
,
976 if (rd_noffset
< 0) {
977 puts("Could not find subimage node\n");
978 bootstage_error(BOOTSTAGE_ID_FIT_RD_SUBNODE
);
982 printf(" Trying '%s' ramdisk subimage\n",
985 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK
);
986 if (!fit_check_ramdisk(fit_hdr
, rd_noffset
, arch
,
990 /* get ramdisk image data address and length */
991 if (fit_image_get_data(fit_hdr
, rd_noffset
, &data
,
993 puts("Could not find ramdisk subimage data!\n");
994 bootstage_error(BOOTSTAGE_ID_FIT_RD_GET_DATA
);
997 bootstage_mark(BOOTSTAGE_ID_FIT_RD_GET_DATA_OK
);
999 rd_data
= (ulong
)data
;
1002 if (fit_image_get_load(fit_hdr
, rd_noffset
, &rd_load
)) {
1003 puts("Can't get ramdisk subimage load "
1005 bootstage_error(BOOTSTAGE_ID_FIT_RD_LOAD
);
1008 bootstage_mark(BOOTSTAGE_ID_FIT_RD_LOAD
);
1010 images
->fit_hdr_rd
= fit_hdr
;
1011 images
->fit_uname_rd
= fit_uname_ramdisk
;
1012 images
->fit_noffset_rd
= rd_noffset
;
1016 #ifdef CONFIG_SUPPORT_RAW_INITRD
1017 if (argc
>= 3 && (end
= strchr(argv
[2], ':'))) {
1018 rd_len
= simple_strtoul(++end
, NULL
, 16);
1023 puts("Wrong Ramdisk Image Format\n");
1024 rd_data
= rd_len
= rd_load
= 0;
1028 } else if (images
->legacy_hdr_valid
&&
1029 image_check_type(&images
->legacy_hdr_os_copy
,
1033 * Now check if we have a legacy mult-component image,
1034 * get second entry data start address and len.
1036 bootstage_mark(BOOTSTAGE_ID_RAMDISK
);
1037 printf("## Loading init Ramdisk from multi component "
1038 "Legacy Image at %08lx ...\n",
1039 (ulong
)images
->legacy_hdr_os
);
1041 image_multi_getimg(images
->legacy_hdr_os
, 1, &rd_data
, &rd_len
);
1046 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK
);
1047 rd_len
= rd_data
= 0;
1051 debug("## No init Ramdisk\n");
1053 *rd_start
= rd_data
;
1054 *rd_end
= rd_data
+ rd_len
;
1056 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1057 *rd_start
, *rd_end
);
1062 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1064 * boot_ramdisk_high - relocate init ramdisk
1065 * @lmb: pointer to lmb handle, will be used for memory mgmt
1066 * @rd_data: ramdisk data start address
1067 * @rd_len: ramdisk data length
1068 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1069 * start address (after possible relocation)
1070 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1071 * end address (after possible relocation)
1073 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
1074 * variable and if requested ramdisk data is moved to a specified location.
1076 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1077 * start/end addresses if ramdisk image start and len were provided,
1078 * otherwise set initrd_start and initrd_end set to zeros.
1084 int boot_ramdisk_high(struct lmb
*lmb
, ulong rd_data
, ulong rd_len
,
1085 ulong
*initrd_start
, ulong
*initrd_end
)
1089 int initrd_copy_to_ram
= 1;
1091 if ((s
= getenv("initrd_high")) != NULL
) {
1092 /* a value of "no" or a similar string will act like 0,
1093 * turning the "load high" feature off. This is intentional.
1095 initrd_high
= simple_strtoul(s
, NULL
, 16);
1096 if (initrd_high
== ~0)
1097 initrd_copy_to_ram
= 0;
1099 /* not set, no restrictions to load high */
1104 #ifdef CONFIG_LOGBUFFER
1105 /* Prevent initrd from overwriting logbuffer */
1106 lmb_reserve(lmb
, logbuffer_base() - LOGBUFF_OVERHEAD
, LOGBUFF_RESERVE
);
1109 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1110 initrd_high
, initrd_copy_to_ram
);
1113 if (!initrd_copy_to_ram
) { /* zero-copy ramdisk support */
1114 debug(" in-place initrd\n");
1115 *initrd_start
= rd_data
;
1116 *initrd_end
= rd_data
+ rd_len
;
1117 lmb_reserve(lmb
, rd_data
, rd_len
);
1120 *initrd_start
= (ulong
)lmb_alloc_base(lmb
,
1121 rd_len
, 0x1000, initrd_high
);
1123 *initrd_start
= (ulong
)lmb_alloc(lmb
, rd_len
,
1126 if (*initrd_start
== 0) {
1127 puts("ramdisk - allocation error\n");
1130 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK
);
1132 *initrd_end
= *initrd_start
+ rd_len
;
1133 printf(" Loading Ramdisk to %08lx, end %08lx ... ",
1134 *initrd_start
, *initrd_end
);
1136 memmove_wd((void *)*initrd_start
,
1137 (void *)rd_data
, rd_len
, CHUNKSZ
);
1141 * Ensure the image is flushed to memory to handle
1142 * AMP boot scenarios in which we might not be
1145 flush_cache((unsigned long)*initrd_start
, rd_len
);
1153 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1154 *initrd_start
, *initrd_end
);
1161 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1163 #ifdef CONFIG_OF_LIBFDT
1164 static void fdt_error(const char *msg
)
1168 puts(" - must RESET the board to recover.\n");
1171 static const image_header_t
*image_get_fdt(ulong fdt_addr
)
1173 const image_header_t
*fdt_hdr
= (const image_header_t
*)fdt_addr
;
1175 image_print_contents(fdt_hdr
);
1177 puts(" Verifying Checksum ... ");
1178 if (!image_check_hcrc(fdt_hdr
)) {
1179 fdt_error("fdt header checksum invalid");
1183 if (!image_check_dcrc(fdt_hdr
)) {
1184 fdt_error("fdt checksum invalid");
1189 if (!image_check_type(fdt_hdr
, IH_TYPE_FLATDT
)) {
1190 fdt_error("uImage is not a fdt");
1193 if (image_get_comp(fdt_hdr
) != IH_COMP_NONE
) {
1194 fdt_error("uImage is compressed");
1197 if (fdt_check_header((char *)image_get_data(fdt_hdr
)) != 0) {
1198 fdt_error("uImage data is not a fdt");
1205 * fit_check_fdt - verify FIT format FDT subimage
1206 * @fit_hdr: pointer to the FIT header
1207 * fdt_noffset: FDT subimage node offset within FIT image
1208 * @verify: data CRC verification flag
1210 * fit_check_fdt() verifies integrity of the FDT subimage and from
1211 * specified FIT image.
1217 #if defined(CONFIG_FIT)
1218 static int fit_check_fdt(const void *fit
, int fdt_noffset
, int verify
)
1220 fit_image_print(fit
, fdt_noffset
, " ");
1223 puts(" Verifying Hash Integrity ... ");
1224 if (!fit_image_check_hashes(fit
, fdt_noffset
)) {
1225 fdt_error("Bad Data Hash");
1231 if (!fit_image_check_type(fit
, fdt_noffset
, IH_TYPE_FLATDT
)) {
1232 fdt_error("Not a FDT image");
1236 if (!fit_image_check_comp(fit
, fdt_noffset
, IH_COMP_NONE
)) {
1237 fdt_error("FDT image is compressed");
1243 #endif /* CONFIG_FIT */
1245 #ifndef CONFIG_SYS_FDT_PAD
1246 #define CONFIG_SYS_FDT_PAD 0x3000
1249 #if defined(CONFIG_OF_LIBFDT)
1251 * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable
1252 * @lmb: pointer to lmb handle, will be used for memory mgmt
1253 * @fdt_blob: pointer to fdt blob base address
1255 * Adds the memreserve regions in the dtb to the lmb block. Adding the
1256 * memreserve regions prevents u-boot from using them to store the initrd
1259 void boot_fdt_add_mem_rsv_regions(struct lmb
*lmb
, void *fdt_blob
)
1261 uint64_t addr
, size
;
1264 if (fdt_check_header(fdt_blob
) != 0)
1267 total
= fdt_num_mem_rsv(fdt_blob
);
1268 for (i
= 0; i
< total
; i
++) {
1269 if (fdt_get_mem_rsv(fdt_blob
, i
, &addr
, &size
) != 0)
1271 printf(" reserving fdt memory region: addr=%llx size=%llx\n",
1272 (unsigned long long)addr
, (unsigned long long)size
);
1273 lmb_reserve(lmb
, addr
, size
);
1278 * boot_relocate_fdt - relocate flat device tree
1279 * @lmb: pointer to lmb handle, will be used for memory mgmt
1280 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
1281 * @of_size: pointer to a ulong variable, will hold fdt length
1283 * boot_relocate_fdt() allocates a region of memory within the bootmap and
1284 * relocates the of_flat_tree into that region, even if the fdt is already in
1285 * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD
1288 * of_flat_tree and of_size are set to final (after relocation) values
1294 int boot_relocate_fdt(struct lmb
*lmb
, char **of_flat_tree
, ulong
*of_size
)
1296 void *fdt_blob
= *of_flat_tree
;
1297 void *of_start
= NULL
;
1301 int disable_relocation
= 0;
1307 if (fdt_check_header(fdt_blob
) != 0) {
1308 fdt_error("image is not a fdt");
1312 /* position on a 4K boundary before the alloc_current */
1313 /* Pad the FDT by a specified amount */
1314 of_len
= *of_size
+ CONFIG_SYS_FDT_PAD
;
1316 /* If fdt_high is set use it to select the relocation address */
1317 fdt_high
= getenv("fdt_high");
1319 void *desired_addr
= (void *)simple_strtoul(fdt_high
, NULL
, 16);
1321 if (((ulong
) desired_addr
) == ~0UL) {
1322 /* All ones means use fdt in place */
1323 of_start
= fdt_blob
;
1324 lmb_reserve(lmb
, (ulong
)of_start
, of_len
);
1325 disable_relocation
= 1;
1326 } else if (desired_addr
) {
1328 (void *)(ulong
) lmb_alloc_base(lmb
, of_len
, 0x1000,
1329 (ulong
)desired_addr
);
1330 if (of_start
== NULL
) {
1331 puts("Failed using fdt_high value for Device Tree");
1336 (void *)(ulong
) lmb_alloc(lmb
, of_len
, 0x1000);
1340 (void *)(ulong
) lmb_alloc_base(lmb
, of_len
, 0x1000,
1341 getenv_bootm_mapsize()
1342 + getenv_bootm_low());
1345 if (of_start
== NULL
) {
1346 puts("device tree - allocation error\n");
1350 if (disable_relocation
) {
1351 /* We assume there is space after the existing fdt to use for padding */
1352 fdt_set_totalsize(of_start
, of_len
);
1353 printf(" Using Device Tree in place at %p, end %p\n",
1354 of_start
, of_start
+ of_len
- 1);
1356 debug("## device tree at %p ... %p (len=%ld [0x%lX])\n",
1357 fdt_blob
, fdt_blob
+ *of_size
- 1, of_len
, of_len
);
1359 printf(" Loading Device Tree to %p, end %p ... ",
1360 of_start
, of_start
+ of_len
- 1);
1362 err
= fdt_open_into(fdt_blob
, of_start
, of_len
);
1364 fdt_error("fdt move failed");
1370 *of_flat_tree
= of_start
;
1373 set_working_fdt_addr(*of_flat_tree
);
1379 #endif /* CONFIG_OF_LIBFDT */
1382 * boot_get_fdt - main fdt handling routine
1383 * @argc: command argument count
1384 * @argv: command argument list
1385 * @images: pointer to the bootm images structure
1386 * @of_flat_tree: pointer to a char* variable, will hold fdt start address
1387 * @of_size: pointer to a ulong variable, will hold fdt length
1389 * boot_get_fdt() is responsible for finding a valid flat device tree image.
1390 * Curently supported are the following ramdisk sources:
1391 * - multicomponent kernel/ramdisk image,
1392 * - commandline provided address of decicated ramdisk image.
1395 * 0, if fdt image was found and valid, or skipped
1396 * of_flat_tree and of_size are set to fdt start address and length if
1397 * fdt image is found and valid
1399 * 1, if fdt image is found but corrupted
1400 * of_flat_tree and of_size are set to 0 if no fdt exists
1402 int boot_get_fdt(int flag
, int argc
, char * const argv
[],
1403 bootm_headers_t
*images
, char **of_flat_tree
, ulong
*of_size
)
1405 const image_header_t
*fdt_hdr
;
1407 char *fdt_blob
= NULL
;
1408 ulong image_start
, image_data
, image_end
;
1409 ulong load_start
, load_end
;
1410 #if defined(CONFIG_FIT)
1412 const char *fit_uname_config
= NULL
;
1413 const char *fit_uname_fdt
= NULL
;
1421 *of_flat_tree
= NULL
;
1424 if (argc
> 3 || genimg_has_config(images
)) {
1425 #if defined(CONFIG_FIT)
1428 * If the FDT blob comes from the FIT image and the
1429 * FIT image address is omitted in the command line
1430 * argument, try to use ramdisk or os FIT image
1431 * address or default load address.
1433 if (images
->fit_uname_rd
)
1434 default_addr
= (ulong
)images
->fit_hdr_rd
;
1435 else if (images
->fit_uname_os
)
1436 default_addr
= (ulong
)images
->fit_hdr_os
;
1438 default_addr
= load_addr
;
1440 if (fit_parse_conf(argv
[3], default_addr
,
1441 &fdt_addr
, &fit_uname_config
)) {
1442 debug("* fdt: config '%s' from image at "
1444 fit_uname_config
, fdt_addr
);
1445 } else if (fit_parse_subimage(argv
[3], default_addr
,
1446 &fdt_addr
, &fit_uname_fdt
)) {
1447 debug("* fdt: subimage '%s' from image at "
1449 fit_uname_fdt
, fdt_addr
);
1453 fdt_addr
= simple_strtoul(argv
[3], NULL
, 16);
1454 debug("* fdt: cmdline image address = "
1458 #if defined(CONFIG_FIT)
1460 /* use FIT configuration provided in first bootm
1463 fdt_addr
= (ulong
)images
->fit_hdr_os
;
1464 fit_uname_config
= images
->fit_uname_cfg
;
1465 debug("* fdt: using config '%s' from image "
1467 fit_uname_config
, fdt_addr
);
1470 * Check whether configuration has FDT blob defined,
1471 * if not quit silently.
1473 fit_hdr
= (void *)fdt_addr
;
1474 cfg_noffset
= fit_conf_get_node(fit_hdr
,
1476 if (cfg_noffset
< 0) {
1477 debug("* fdt: no such config\n");
1481 fdt_noffset
= fit_conf_get_fdt_node(fit_hdr
,
1483 if (fdt_noffset
< 0) {
1484 debug("* fdt: no fdt in config\n");
1490 debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
1493 /* copy from dataflash if needed */
1494 fdt_addr
= genimg_get_image(fdt_addr
);
1497 * Check if there is an FDT image at the
1498 * address provided in the second bootm argument
1499 * check image type, for FIT images get a FIT node.
1501 switch (genimg_get_format((void *)fdt_addr
)) {
1502 case IMAGE_FORMAT_LEGACY
:
1503 /* verify fdt_addr points to a valid image header */
1504 printf("## Flattened Device Tree from Legacy Image "
1507 fdt_hdr
= image_get_fdt(fdt_addr
);
1512 * move image data to the load address,
1513 * make sure we don't overwrite initial image
1515 image_start
= (ulong
)fdt_hdr
;
1516 image_data
= (ulong
)image_get_data(fdt_hdr
);
1517 image_end
= image_get_image_end(fdt_hdr
);
1519 load_start
= image_get_load(fdt_hdr
);
1520 load_end
= load_start
+ image_get_data_size(fdt_hdr
);
1522 if (load_start
== image_start
||
1523 load_start
== image_data
) {
1524 fdt_blob
= (char *)image_data
;
1528 if ((load_start
< image_end
) && (load_end
> image_start
)) {
1529 fdt_error("fdt overwritten");
1533 debug(" Loading FDT from 0x%08lx to 0x%08lx\n",
1534 image_data
, load_start
);
1536 memmove((void *)load_start
,
1538 image_get_data_size(fdt_hdr
));
1540 fdt_blob
= (char *)load_start
;
1542 case IMAGE_FORMAT_FIT
:
1544 * This case will catch both: new uImage format
1545 * (libfdt based) and raw FDT blob (also libfdt
1548 #if defined(CONFIG_FIT)
1549 /* check FDT blob vs FIT blob */
1550 if (fit_check_format((const void *)fdt_addr
)) {
1554 fit_hdr
= (void *)fdt_addr
;
1555 printf("## Flattened Device Tree from FIT "
1559 if (!fit_uname_fdt
) {
1561 * no FDT blob image node unit name,
1562 * try to get config node first. If
1563 * config unit node name is NULL
1564 * fit_conf_get_node() will try to
1565 * find default config node
1567 cfg_noffset
= fit_conf_get_node(fit_hdr
,
1570 if (cfg_noffset
< 0) {
1571 fdt_error("Could not find "
1577 fit_uname_config
= fdt_get_name(fit_hdr
,
1579 printf(" Using '%s' configuration\n",
1582 fdt_noffset
= fit_conf_get_fdt_node(
1585 fit_uname_fdt
= fit_get_name(fit_hdr
,
1588 /* get FDT component image node offset */
1589 fdt_noffset
= fit_image_get_node(
1593 if (fdt_noffset
< 0) {
1594 fdt_error("Could not find subimage "
1599 printf(" Trying '%s' FDT blob subimage\n",
1602 if (!fit_check_fdt(fit_hdr
, fdt_noffset
,
1606 /* get ramdisk image data address and length */
1607 if (fit_image_get_data(fit_hdr
, fdt_noffset
,
1609 fdt_error("Could not find FDT "
1614 /* verift that image data is a proper FDT blob */
1615 if (fdt_check_header((char *)data
) != 0) {
1616 fdt_error("Subimage data is not a FTD");
1621 * move image data to the load address,
1622 * make sure we don't overwrite initial image
1624 image_start
= (ulong
)fit_hdr
;
1625 image_end
= fit_get_end(fit_hdr
);
1627 if (fit_image_get_load(fit_hdr
, fdt_noffset
,
1628 &load_start
) == 0) {
1629 load_end
= load_start
+ size
;
1631 if ((load_start
< image_end
) &&
1632 (load_end
> image_start
)) {
1633 fdt_error("FDT overwritten");
1637 printf(" Loading FDT from 0x%08lx "
1642 memmove((void *)load_start
,
1643 (void *)data
, size
);
1645 fdt_blob
= (char *)load_start
;
1647 fdt_blob
= (char *)data
;
1650 images
->fit_hdr_fdt
= fit_hdr
;
1651 images
->fit_uname_fdt
= fit_uname_fdt
;
1652 images
->fit_noffset_fdt
= fdt_noffset
;
1660 fdt_blob
= (char *)fdt_addr
;
1661 debug("* fdt: raw FDT blob\n");
1662 printf("## Flattened Device Tree blob at "
1663 "%08lx\n", (long)fdt_blob
);
1667 puts("ERROR: Did not find a cmdline Flattened Device "
1672 printf(" Booting using the fdt blob at 0x%p\n", fdt_blob
);
1674 } else if (images
->legacy_hdr_valid
&&
1675 image_check_type(&images
->legacy_hdr_os_copy
,
1678 ulong fdt_data
, fdt_len
;
1681 * Now check if we have a legacy multi-component image,
1682 * get second entry data start address and len.
1684 printf("## Flattened Device Tree from multi "
1685 "component Image at %08lX\n",
1686 (ulong
)images
->legacy_hdr_os
);
1688 image_multi_getimg(images
->legacy_hdr_os
, 2, &fdt_data
,
1692 fdt_blob
= (char *)fdt_data
;
1693 printf(" Booting using the fdt at 0x%p\n", fdt_blob
);
1695 if (fdt_check_header(fdt_blob
) != 0) {
1696 fdt_error("image is not a fdt");
1700 if (fdt_totalsize(fdt_blob
) != fdt_len
) {
1701 fdt_error("fdt size != image size");
1705 debug("## No Flattened Device Tree\n");
1709 debug("## No Flattened Device Tree\n");
1713 *of_flat_tree
= fdt_blob
;
1714 *of_size
= fdt_totalsize(fdt_blob
);
1715 debug(" of_flat_tree at 0x%08lx size 0x%08lx\n",
1716 (ulong
)*of_flat_tree
, *of_size
);
1721 *of_flat_tree
= NULL
;
1725 #endif /* CONFIG_OF_LIBFDT */
1727 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1729 * boot_get_cmdline - allocate and initialize kernel cmdline
1730 * @lmb: pointer to lmb handle, will be used for memory mgmt
1731 * @cmd_start: pointer to a ulong variable, will hold cmdline start
1732 * @cmd_end: pointer to a ulong variable, will hold cmdline end
1734 * boot_get_cmdline() allocates space for kernel command line below
1735 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1736 * variable is present its contents is copied to allocated kernel
1743 int boot_get_cmdline(struct lmb
*lmb
, ulong
*cmd_start
, ulong
*cmd_end
)
1748 cmdline
= (char *)(ulong
)lmb_alloc_base(lmb
, CONFIG_SYS_BARGSIZE
, 0xf,
1749 getenv_bootm_mapsize() + getenv_bootm_low());
1751 if (cmdline
== NULL
)
1754 if ((s
= getenv("bootargs")) == NULL
)
1759 *cmd_start
= (ulong
) & cmdline
[0];
1760 *cmd_end
= *cmd_start
+ strlen(cmdline
);
1762 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start
, *cmd_end
);
1766 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1768 #ifdef CONFIG_SYS_BOOT_GET_KBD
1770 * boot_get_kbd - allocate and initialize kernel copy of board info
1771 * @lmb: pointer to lmb handle, will be used for memory mgmt
1772 * @kbd: double pointer to board info data
1774 * boot_get_kbd() allocates space for kernel copy of board info data below
1775 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1776 * with the current u-boot board info data.
1782 int boot_get_kbd(struct lmb
*lmb
, bd_t
**kbd
)
1784 *kbd
= (bd_t
*)(ulong
)lmb_alloc_base(lmb
, sizeof(bd_t
), 0xf,
1785 getenv_bootm_mapsize() + getenv_bootm_low());
1791 debug("## kernel board info at 0x%08lx\n", (ulong
)*kbd
);
1793 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1794 do_bdinfo(NULL
, 0, 0, NULL
);
1799 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1800 #endif /* !USE_HOSTCC */
1802 #if defined(CONFIG_FIT)
1803 /*****************************************************************************/
1804 /* New uImage format routines */
1805 /*****************************************************************************/
1807 static int fit_parse_spec(const char *spec
, char sepc
, ulong addr_curr
,
1808 ulong
*addr
, const char **name
)
1815 sep
= strchr(spec
, sepc
);
1818 *addr
= simple_strtoul(spec
, NULL
, 16);
1828 * fit_parse_conf - parse FIT configuration spec
1829 * @spec: input string, containing configuration spec
1830 * @add_curr: current image address (to be used as a possible default)
1831 * @addr: pointer to a ulong variable, will hold FIT image address of a given
1833 * @conf_name double pointer to a char, will hold pointer to a configuration
1836 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
1837 * where <addr> is a FIT image address that contains configuration
1838 * with a <conf> unit name.
1840 * Address part is optional, and if omitted default add_curr will
1844 * 1 if spec is a valid configuration string,
1845 * addr and conf_name are set accordingly
1848 int fit_parse_conf(const char *spec
, ulong addr_curr
,
1849 ulong
*addr
, const char **conf_name
)
1851 return fit_parse_spec(spec
, '#', addr_curr
, addr
, conf_name
);
1855 * fit_parse_subimage - parse FIT subimage spec
1856 * @spec: input string, containing subimage spec
1857 * @add_curr: current image address (to be used as a possible default)
1858 * @addr: pointer to a ulong variable, will hold FIT image address of a given
1860 * @image_name: double pointer to a char, will hold pointer to a subimage name
1862 * fit_parse_subimage() expects subimage spec in the for of
1863 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
1864 * subimage with a <subimg> unit name.
1866 * Address part is optional, and if omitted default add_curr will
1870 * 1 if spec is a valid subimage string,
1871 * addr and image_name are set accordingly
1874 int fit_parse_subimage(const char *spec
, ulong addr_curr
,
1875 ulong
*addr
, const char **image_name
)
1877 return fit_parse_spec(spec
, ':', addr_curr
, addr
, image_name
);
1879 #endif /* !USE_HOSTCC */
1881 static void fit_get_debug(const void *fit
, int noffset
,
1882 char *prop_name
, int err
)
1884 debug("Can't get '%s' property from FIT 0x%08lx, "
1885 "node: offset %d, name %s (%s)\n",
1886 prop_name
, (ulong
)fit
, noffset
,
1887 fit_get_name(fit
, noffset
, NULL
),
1892 * fit_print_contents - prints out the contents of the FIT format image
1893 * @fit: pointer to the FIT format image header
1894 * @p: pointer to prefix string
1896 * fit_print_contents() formats a multi line FIT image contents description.
1897 * The routine prints out FIT image properties (root node level) follwed by
1898 * the details of each component image.
1901 * no returned results
1903 void fit_print_contents(const void *fit
)
1914 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
1924 /* Root node properties */
1925 ret
= fit_get_desc(fit
, 0, &desc
);
1926 printf("%sFIT description: ", p
);
1928 printf("unavailable\n");
1930 printf("%s\n", desc
);
1932 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
1933 ret
= fit_get_timestamp(fit
, 0, ×tamp
);
1934 printf("%sCreated: ", p
);
1936 printf("unavailable\n");
1938 genimg_print_time(timestamp
);
1941 /* Find images parent node offset */
1942 images_noffset
= fdt_path_offset(fit
, FIT_IMAGES_PATH
);
1943 if (images_noffset
< 0) {
1944 printf("Can't find images parent node '%s' (%s)\n",
1945 FIT_IMAGES_PATH
, fdt_strerror(images_noffset
));
1949 /* Process its subnodes, print out component images details */
1950 for (ndepth
= 0, count
= 0,
1951 noffset
= fdt_next_node(fit
, images_noffset
, &ndepth
);
1952 (noffset
>= 0) && (ndepth
> 0);
1953 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
1956 * Direct child node of the images parent node,
1957 * i.e. component image node.
1959 printf("%s Image %u (%s)\n", p
, count
++,
1960 fit_get_name(fit
, noffset
, NULL
));
1962 fit_image_print(fit
, noffset
, p
);
1966 /* Find configurations parent node offset */
1967 confs_noffset
= fdt_path_offset(fit
, FIT_CONFS_PATH
);
1968 if (confs_noffset
< 0) {
1969 debug("Can't get configurations parent node '%s' (%s)\n",
1970 FIT_CONFS_PATH
, fdt_strerror(confs_noffset
));
1974 /* get default configuration unit name from default property */
1975 uname
= (char *)fdt_getprop(fit
, noffset
, FIT_DEFAULT_PROP
, NULL
);
1977 printf("%s Default Configuration: '%s'\n", p
, uname
);
1979 /* Process its subnodes, print out configurations details */
1980 for (ndepth
= 0, count
= 0,
1981 noffset
= fdt_next_node(fit
, confs_noffset
, &ndepth
);
1982 (noffset
>= 0) && (ndepth
> 0);
1983 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
1986 * Direct child node of the configurations parent node,
1987 * i.e. configuration node.
1989 printf("%s Configuration %u (%s)\n", p
, count
++,
1990 fit_get_name(fit
, noffset
, NULL
));
1992 fit_conf_print(fit
, noffset
, p
);
1998 * fit_image_print - prints out the FIT component image details
1999 * @fit: pointer to the FIT format image header
2000 * @image_noffset: offset of the component image node
2001 * @p: pointer to prefix string
2003 * fit_image_print() lists all mandatory properies for the processed component
2004 * image. If present, hash nodes are printed out as well. Load
2005 * address for images of type firmware is also printed out. Since the load
2006 * address is not mandatory for firmware images, it will be output as
2007 * "unavailable" when not present.
2010 * no returned results
2012 void fit_image_print(const void *fit
, int image_noffset
, const char *p
)
2015 uint8_t type
, arch
, os
, comp
;
2023 /* Mandatory properties */
2024 ret
= fit_get_desc(fit
, image_noffset
, &desc
);
2025 printf("%s Description: ", p
);
2027 printf("unavailable\n");
2029 printf("%s\n", desc
);
2031 fit_image_get_type(fit
, image_noffset
, &type
);
2032 printf("%s Type: %s\n", p
, genimg_get_type_name(type
));
2034 fit_image_get_comp(fit
, image_noffset
, &comp
);
2035 printf("%s Compression: %s\n", p
, genimg_get_comp_name(comp
));
2037 ret
= fit_image_get_data(fit
, image_noffset
, &data
, &size
);
2040 printf("%s Data Start: ", p
);
2042 printf("unavailable\n");
2044 printf("0x%08lx\n", (ulong
)data
);
2047 printf("%s Data Size: ", p
);
2049 printf("unavailable\n");
2051 genimg_print_size(size
);
2053 /* Remaining, type dependent properties */
2054 if ((type
== IH_TYPE_KERNEL
) || (type
== IH_TYPE_STANDALONE
) ||
2055 (type
== IH_TYPE_RAMDISK
) || (type
== IH_TYPE_FIRMWARE
) ||
2056 (type
== IH_TYPE_FLATDT
)) {
2057 fit_image_get_arch(fit
, image_noffset
, &arch
);
2058 printf("%s Architecture: %s\n", p
, genimg_get_arch_name(arch
));
2061 if ((type
== IH_TYPE_KERNEL
) || (type
== IH_TYPE_RAMDISK
)) {
2062 fit_image_get_os(fit
, image_noffset
, &os
);
2063 printf("%s OS: %s\n", p
, genimg_get_os_name(os
));
2066 if ((type
== IH_TYPE_KERNEL
) || (type
== IH_TYPE_STANDALONE
) ||
2067 (type
== IH_TYPE_FIRMWARE
) || (type
== IH_TYPE_RAMDISK
)) {
2068 ret
= fit_image_get_load(fit
, image_noffset
, &load
);
2069 printf("%s Load Address: ", p
);
2071 printf("unavailable\n");
2073 printf("0x%08lx\n", load
);
2076 if ((type
== IH_TYPE_KERNEL
) || (type
== IH_TYPE_STANDALONE
) ||
2077 (type
== IH_TYPE_RAMDISK
)) {
2078 fit_image_get_entry(fit
, image_noffset
, &entry
);
2079 printf("%s Entry Point: ", p
);
2081 printf("unavailable\n");
2083 printf("0x%08lx\n", entry
);
2086 /* Process all hash subnodes of the component image node */
2087 for (ndepth
= 0, noffset
= fdt_next_node(fit
, image_noffset
, &ndepth
);
2088 (noffset
>= 0) && (ndepth
> 0);
2089 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
2091 /* Direct child node of the component image node */
2092 fit_image_print_hash(fit
, noffset
, p
);
2098 * fit_image_print_hash - prints out the hash node details
2099 * @fit: pointer to the FIT format image header
2100 * @noffset: offset of the hash node
2101 * @p: pointer to prefix string
2103 * fit_image_print_hash() lists properies for the processed hash node
2106 * no returned results
2108 void fit_image_print_hash(const void *fit
, int noffset
, const char *p
)
2116 * Check subnode name, must be equal to "hash".
2117 * Multiple hash nodes require unique unit node
2118 * names, e.g. hash@1, hash@2, etc.
2120 if (strncmp(fit_get_name(fit
, noffset
, NULL
),
2122 strlen(FIT_HASH_NODENAME
)) != 0)
2125 debug("%s Hash node: '%s'\n", p
,
2126 fit_get_name(fit
, noffset
, NULL
));
2128 printf("%s Hash algo: ", p
);
2129 if (fit_image_hash_get_algo(fit
, noffset
, &algo
)) {
2130 printf("invalid/unsupported\n");
2133 printf("%s\n", algo
);
2135 ret
= fit_image_hash_get_value(fit
, noffset
, &value
,
2137 printf("%s Hash value: ", p
);
2139 printf("unavailable\n");
2141 for (i
= 0; i
< value_len
; i
++)
2142 printf("%02x", value
[i
]);
2146 debug("%s Hash len: %d\n", p
, value_len
);
2150 * fit_get_desc - get node description property
2151 * @fit: pointer to the FIT format image header
2152 * @noffset: node offset
2153 * @desc: double pointer to the char, will hold pointer to the descrption
2155 * fit_get_desc() reads description property from a given node, if
2156 * description is found pointer to it is returened in third call argument.
2162 int fit_get_desc(const void *fit
, int noffset
, char **desc
)
2166 *desc
= (char *)fdt_getprop(fit
, noffset
, FIT_DESC_PROP
, &len
);
2167 if (*desc
== NULL
) {
2168 fit_get_debug(fit
, noffset
, FIT_DESC_PROP
, len
);
2176 * fit_get_timestamp - get node timestamp property
2177 * @fit: pointer to the FIT format image header
2178 * @noffset: node offset
2179 * @timestamp: pointer to the time_t, will hold read timestamp
2181 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp
2182 * is found and has a correct size its value is retured in third call
2187 * -1, on property read failure
2188 * -2, on wrong timestamp size
2190 int fit_get_timestamp(const void *fit
, int noffset
, time_t *timestamp
)
2195 data
= fdt_getprop(fit
, noffset
, FIT_TIMESTAMP_PROP
, &len
);
2197 fit_get_debug(fit
, noffset
, FIT_TIMESTAMP_PROP
, len
);
2200 if (len
!= sizeof(uint32_t)) {
2201 debug("FIT timestamp with incorrect size of (%u)\n", len
);
2205 *timestamp
= uimage_to_cpu(*((uint32_t *)data
));
2210 * fit_image_get_node - get node offset for component image of a given unit name
2211 * @fit: pointer to the FIT format image header
2212 * @image_uname: component image node unit name
2214 * fit_image_get_node() finds a component image (withing the '/images'
2215 * node) of a provided unit name. If image is found its node offset is
2216 * returned to the caller.
2219 * image node offset when found (>=0)
2220 * negative number on failure (FDT_ERR_* code)
2222 int fit_image_get_node(const void *fit
, const char *image_uname
)
2224 int noffset
, images_noffset
;
2226 images_noffset
= fdt_path_offset(fit
, FIT_IMAGES_PATH
);
2227 if (images_noffset
< 0) {
2228 debug("Can't find images parent node '%s' (%s)\n",
2229 FIT_IMAGES_PATH
, fdt_strerror(images_noffset
));
2230 return images_noffset
;
2233 noffset
= fdt_subnode_offset(fit
, images_noffset
, image_uname
);
2235 debug("Can't get node offset for image unit name: '%s' (%s)\n",
2236 image_uname
, fdt_strerror(noffset
));
2243 * fit_image_get_os - get os id for a given component image node
2244 * @fit: pointer to the FIT format image header
2245 * @noffset: component image node offset
2246 * @os: pointer to the uint8_t, will hold os numeric id
2248 * fit_image_get_os() finds os property in a given component image node.
2249 * If the property is found, its (string) value is translated to the numeric
2250 * id which is returned to the caller.
2256 int fit_image_get_os(const void *fit
, int noffset
, uint8_t *os
)
2261 /* Get OS name from property data */
2262 data
= fdt_getprop(fit
, noffset
, FIT_OS_PROP
, &len
);
2264 fit_get_debug(fit
, noffset
, FIT_OS_PROP
, len
);
2269 /* Translate OS name to id */
2270 *os
= genimg_get_os_id(data
);
2275 * fit_image_get_arch - get arch id for a given component image node
2276 * @fit: pointer to the FIT format image header
2277 * @noffset: component image node offset
2278 * @arch: pointer to the uint8_t, will hold arch numeric id
2280 * fit_image_get_arch() finds arch property in a given component image node.
2281 * If the property is found, its (string) value is translated to the numeric
2282 * id which is returned to the caller.
2288 int fit_image_get_arch(const void *fit
, int noffset
, uint8_t *arch
)
2293 /* Get architecture name from property data */
2294 data
= fdt_getprop(fit
, noffset
, FIT_ARCH_PROP
, &len
);
2296 fit_get_debug(fit
, noffset
, FIT_ARCH_PROP
, len
);
2301 /* Translate architecture name to id */
2302 *arch
= genimg_get_arch_id(data
);
2307 * fit_image_get_type - get type id for a given component image node
2308 * @fit: pointer to the FIT format image header
2309 * @noffset: component image node offset
2310 * @type: pointer to the uint8_t, will hold type numeric id
2312 * fit_image_get_type() finds type property in a given component image node.
2313 * If the property is found, its (string) value is translated to the numeric
2314 * id which is returned to the caller.
2320 int fit_image_get_type(const void *fit
, int noffset
, uint8_t *type
)
2325 /* Get image type name from property data */
2326 data
= fdt_getprop(fit
, noffset
, FIT_TYPE_PROP
, &len
);
2328 fit_get_debug(fit
, noffset
, FIT_TYPE_PROP
, len
);
2333 /* Translate image type name to id */
2334 *type
= genimg_get_type_id(data
);
2339 * fit_image_get_comp - get comp id for a given component image node
2340 * @fit: pointer to the FIT format image header
2341 * @noffset: component image node offset
2342 * @comp: pointer to the uint8_t, will hold comp numeric id
2344 * fit_image_get_comp() finds comp property in a given component image node.
2345 * If the property is found, its (string) value is translated to the numeric
2346 * id which is returned to the caller.
2352 int fit_image_get_comp(const void *fit
, int noffset
, uint8_t *comp
)
2357 /* Get compression name from property data */
2358 data
= fdt_getprop(fit
, noffset
, FIT_COMP_PROP
, &len
);
2360 fit_get_debug(fit
, noffset
, FIT_COMP_PROP
, len
);
2365 /* Translate compression name to id */
2366 *comp
= genimg_get_comp_id(data
);
2371 * fit_image_get_load - get load address property for a given component image node
2372 * @fit: pointer to the FIT format image header
2373 * @noffset: component image node offset
2374 * @load: pointer to the uint32_t, will hold load address
2376 * fit_image_get_load() finds load address property in a given component image node.
2377 * If the property is found, its value is returned to the caller.
2383 int fit_image_get_load(const void *fit
, int noffset
, ulong
*load
)
2386 const uint32_t *data
;
2388 data
= fdt_getprop(fit
, noffset
, FIT_LOAD_PROP
, &len
);
2390 fit_get_debug(fit
, noffset
, FIT_LOAD_PROP
, len
);
2394 *load
= uimage_to_cpu(*data
);
2399 * fit_image_get_entry - get entry point address property for a given component image node
2400 * @fit: pointer to the FIT format image header
2401 * @noffset: component image node offset
2402 * @entry: pointer to the uint32_t, will hold entry point address
2404 * fit_image_get_entry() finds entry point address property in a given component image node.
2405 * If the property is found, its value is returned to the caller.
2411 int fit_image_get_entry(const void *fit
, int noffset
, ulong
*entry
)
2414 const uint32_t *data
;
2416 data
= fdt_getprop(fit
, noffset
, FIT_ENTRY_PROP
, &len
);
2418 fit_get_debug(fit
, noffset
, FIT_ENTRY_PROP
, len
);
2422 *entry
= uimage_to_cpu(*data
);
2427 * fit_image_get_data - get data property and its size for a given component image node
2428 * @fit: pointer to the FIT format image header
2429 * @noffset: component image node offset
2430 * @data: double pointer to void, will hold data property's data address
2431 * @size: pointer to size_t, will hold data property's data size
2433 * fit_image_get_data() finds data property in a given component image node.
2434 * If the property is found its data start address and size are returned to
2441 int fit_image_get_data(const void *fit
, int noffset
,
2442 const void **data
, size_t *size
)
2446 *data
= fdt_getprop(fit
, noffset
, FIT_DATA_PROP
, &len
);
2447 if (*data
== NULL
) {
2448 fit_get_debug(fit
, noffset
, FIT_DATA_PROP
, len
);
2458 * fit_image_hash_get_algo - get hash algorithm name
2459 * @fit: pointer to the FIT format image header
2460 * @noffset: hash node offset
2461 * @algo: double pointer to char, will hold pointer to the algorithm name
2463 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
2464 * If the property is found its data start address is returned to the caller.
2470 int fit_image_hash_get_algo(const void *fit
, int noffset
, char **algo
)
2474 *algo
= (char *)fdt_getprop(fit
, noffset
, FIT_ALGO_PROP
, &len
);
2475 if (*algo
== NULL
) {
2476 fit_get_debug(fit
, noffset
, FIT_ALGO_PROP
, len
);
2484 * fit_image_hash_get_value - get hash value and length
2485 * @fit: pointer to the FIT format image header
2486 * @noffset: hash node offset
2487 * @value: double pointer to uint8_t, will hold address of a hash value data
2488 * @value_len: pointer to an int, will hold hash data length
2490 * fit_image_hash_get_value() finds hash value property in a given hash node.
2491 * If the property is found its data start address and size are returned to
2498 int fit_image_hash_get_value(const void *fit
, int noffset
, uint8_t **value
,
2503 *value
= (uint8_t *)fdt_getprop(fit
, noffset
, FIT_VALUE_PROP
, &len
);
2504 if (*value
== NULL
) {
2505 fit_get_debug(fit
, noffset
, FIT_VALUE_PROP
, len
);
2516 * fit_image_hash_get_ignore - get hash ignore flag
2517 * @fit: pointer to the FIT format image header
2518 * @noffset: hash node offset
2519 * @ignore: pointer to an int, will hold hash ignore flag
2521 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
2522 * If the property is found and non-zero, the hash algorithm is not verified by
2523 * u-boot automatically.
2526 * 0, on ignore not found
2527 * value, on ignore found
2529 int fit_image_hash_get_ignore(const void *fit
, int noffset
, int *ignore
)
2534 value
= (int *)fdt_getprop(fit
, noffset
, FIT_IGNORE_PROP
, &len
);
2535 if (value
== NULL
|| len
!= sizeof(int))
2545 * fit_set_timestamp - set node timestamp property
2546 * @fit: pointer to the FIT format image header
2547 * @noffset: node offset
2548 * @timestamp: timestamp value to be set
2550 * fit_set_timestamp() attempts to set timestamp property in the requested
2551 * node and returns operation status to the caller.
2555 * -1, on property read failure
2557 int fit_set_timestamp(void *fit
, int noffset
, time_t timestamp
)
2562 t
= cpu_to_uimage(timestamp
);
2563 ret
= fdt_setprop(fit
, noffset
, FIT_TIMESTAMP_PROP
, &t
,
2566 printf("Can't set '%s' property for '%s' node (%s)\n",
2567 FIT_TIMESTAMP_PROP
, fit_get_name(fit
, noffset
, NULL
),
2576 * calculate_hash - calculate and return hash for provided input data
2577 * @data: pointer to the input data
2578 * @data_len: data length
2579 * @algo: requested hash algorithm
2580 * @value: pointer to the char, will hold hash value data (caller must
2581 * allocate enough free space)
2582 * value_len: length of the calculated hash
2584 * calculate_hash() computes input data hash according to the requested algorithm.
2585 * Resulting hash value is placed in caller provided 'value' buffer, length
2586 * of the calculated hash is returned via value_len pointer argument.
2590 * -1, when algo is unsupported
2592 static int calculate_hash(const void *data
, int data_len
, const char *algo
,
2593 uint8_t *value
, int *value_len
)
2595 if (strcmp(algo
, "crc32") == 0) {
2596 *((uint32_t *)value
) = crc32_wd(0, data
, data_len
,
2598 *((uint32_t *)value
) = cpu_to_uimage(*((uint32_t *)value
));
2600 } else if (strcmp(algo
, "sha1") == 0) {
2601 sha1_csum_wd((unsigned char *) data
, data_len
,
2602 (unsigned char *) value
, CHUNKSZ_SHA1
);
2604 } else if (strcmp(algo
, "md5") == 0) {
2605 md5_wd((unsigned char *)data
, data_len
, value
, CHUNKSZ_MD5
);
2608 debug("Unsupported hash alogrithm\n");
2616 * fit_set_hashes - process FIT component image nodes and calculate hashes
2617 * @fit: pointer to the FIT format image header
2619 * fit_set_hashes() adds hash values for all component images in the FIT blob.
2620 * Hashes are calculated for all component images which have hash subnodes
2621 * with algorithm property set to one of the supported hash algorithms.
2625 * libfdt error code, on failure
2627 int fit_set_hashes(void *fit
)
2634 /* Find images parent node offset */
2635 images_noffset
= fdt_path_offset(fit
, FIT_IMAGES_PATH
);
2636 if (images_noffset
< 0) {
2637 printf("Can't find images parent node '%s' (%s)\n",
2638 FIT_IMAGES_PATH
, fdt_strerror(images_noffset
));
2639 return images_noffset
;
2642 /* Process its subnodes, print out component images details */
2643 for (ndepth
= 0, noffset
= fdt_next_node(fit
, images_noffset
, &ndepth
);
2644 (noffset
>= 0) && (ndepth
> 0);
2645 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
2648 * Direct child node of the images parent node,
2649 * i.e. component image node.
2651 ret
= fit_image_set_hashes(fit
, noffset
);
2661 * fit_image_set_hashes - calculate/set hashes for given component image node
2662 * @fit: pointer to the FIT format image header
2663 * @image_noffset: requested component image node
2665 * fit_image_set_hashes() adds hash values for an component image node. All
2666 * existing hash subnodes are checked, if algorithm property is set to one of
2667 * the supported hash algorithms, hash value is computed and corresponding
2668 * hash node property is set, for example:
2670 * Input component image node structure:
2672 * o image@1 (at image_noffset)
2673 * | - data = [binary data]
2677 * Output component image node structure:
2679 * o image@1 (at image_noffset)
2680 * | - data = [binary data]
2683 * |- value = sha1(data)
2689 int fit_image_set_hashes(void *fit
, int image_noffset
)
2694 uint8_t value
[FIT_MAX_HASH_LEN
];
2699 /* Get image data and data length */
2700 if (fit_image_get_data(fit
, image_noffset
, &data
, &size
)) {
2701 printf("Can't get image data/size\n");
2705 /* Process all hash subnodes of the component image node */
2706 for (ndepth
= 0, noffset
= fdt_next_node(fit
, image_noffset
, &ndepth
);
2707 (noffset
>= 0) && (ndepth
> 0);
2708 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
2710 /* Direct child node of the component image node */
2713 * Check subnode name, must be equal to "hash".
2714 * Multiple hash nodes require unique unit node
2715 * names, e.g. hash@1, hash@2, etc.
2717 if (strncmp(fit_get_name(fit
, noffset
, NULL
),
2719 strlen(FIT_HASH_NODENAME
)) != 0) {
2720 /* Not a hash subnode, skip it */
2724 if (fit_image_hash_get_algo(fit
, noffset
, &algo
)) {
2725 printf("Can't get hash algo property for "
2726 "'%s' hash node in '%s' image node\n",
2727 fit_get_name(fit
, noffset
, NULL
),
2728 fit_get_name(fit
, image_noffset
, NULL
));
2732 if (calculate_hash(data
, size
, algo
, value
,
2734 printf("Unsupported hash algorithm (%s) for "
2735 "'%s' hash node in '%s' image node\n",
2736 algo
, fit_get_name(fit
, noffset
, NULL
),
2737 fit_get_name(fit
, image_noffset
,
2742 if (fit_image_hash_set_value(fit
, noffset
, value
,
2744 printf("Can't set hash value for "
2745 "'%s' hash node in '%s' image node\n",
2746 fit_get_name(fit
, noffset
, NULL
),
2747 fit_get_name(fit
, image_noffset
, NULL
));
2757 * fit_image_hash_set_value - set hash value in requested has node
2758 * @fit: pointer to the FIT format image header
2759 * @noffset: hash node offset
2760 * @value: hash value to be set
2761 * @value_len: hash value length
2763 * fit_image_hash_set_value() attempts to set hash value in a node at offset
2764 * given and returns operation status to the caller.
2770 int fit_image_hash_set_value(void *fit
, int noffset
, uint8_t *value
,
2775 ret
= fdt_setprop(fit
, noffset
, FIT_VALUE_PROP
, value
, value_len
);
2777 printf("Can't set hash '%s' property for '%s' node(%s)\n",
2778 FIT_VALUE_PROP
, fit_get_name(fit
, noffset
, NULL
),
2785 #endif /* USE_HOSTCC */
2788 * fit_image_check_hashes - verify data intergity
2789 * @fit: pointer to the FIT format image header
2790 * @image_noffset: component image node offset
2792 * fit_image_check_hashes() goes over component image hash nodes,
2793 * re-calculates each data hash and compares with the value stored in hash
2797 * 1, if all hashes are valid
2798 * 0, otherwise (or on error)
2800 int fit_image_check_hashes(const void *fit
, int image_noffset
)
2810 uint8_t value
[FIT_MAX_HASH_LEN
];
2816 /* Get image data and data length */
2817 if (fit_image_get_data(fit
, image_noffset
, &data
, &size
)) {
2818 printf("Can't get image data/size\n");
2822 /* Process all hash subnodes of the component image node */
2823 for (ndepth
= 0, noffset
= fdt_next_node(fit
, image_noffset
, &ndepth
);
2824 (noffset
>= 0) && (ndepth
> 0);
2825 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
2827 /* Direct child node of the component image node */
2830 * Check subnode name, must be equal to "hash".
2831 * Multiple hash nodes require unique unit node
2832 * names, e.g. hash@1, hash@2, etc.
2834 if (strncmp(fit_get_name(fit
, noffset
, NULL
),
2836 strlen(FIT_HASH_NODENAME
)) != 0)
2839 if (fit_image_hash_get_algo(fit
, noffset
, &algo
)) {
2840 err_msg
= " error!\nCan't get hash algo "
2847 fit_image_hash_get_ignore(fit
, noffset
, &ignore
);
2849 printf("-skipped ");
2854 if (fit_image_hash_get_value(fit
, noffset
, &fit_value
,
2856 err_msg
= " error!\nCan't get hash value "
2861 if (calculate_hash(data
, size
, algo
, value
,
2863 err_msg
= " error!\n"
2864 "Unsupported hash algorithm";
2868 if (value_len
!= fit_value_len
) {
2869 err_msg
= " error !\nBad hash value len";
2871 } else if (memcmp(value
, fit_value
, value_len
) != 0) {
2872 err_msg
= " error!\nBad hash value";
2879 if (noffset
== -FDT_ERR_TRUNCATED
|| noffset
== -FDT_ERR_BADSTRUCTURE
) {
2880 err_msg
= " error!\nCorrupted or truncated tree";
2887 printf("%s for '%s' hash node in '%s' image node\n",
2888 err_msg
, fit_get_name(fit
, noffset
, NULL
),
2889 fit_get_name(fit
, image_noffset
, NULL
));
2894 * fit_all_image_check_hashes - verify data intergity for all images
2895 * @fit: pointer to the FIT format image header
2897 * fit_all_image_check_hashes() goes over all images in the FIT and
2898 * for every images checks if all it's hashes are valid.
2901 * 1, if all hashes of all images are valid
2902 * 0, otherwise (or on error)
2904 int fit_all_image_check_hashes(const void *fit
)
2911 /* Find images parent node offset */
2912 images_noffset
= fdt_path_offset(fit
, FIT_IMAGES_PATH
);
2913 if (images_noffset
< 0) {
2914 printf("Can't find images parent node '%s' (%s)\n",
2915 FIT_IMAGES_PATH
, fdt_strerror(images_noffset
));
2919 /* Process all image subnodes, check hashes for each */
2920 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
2922 for (ndepth
= 0, count
= 0,
2923 noffset
= fdt_next_node(fit
, images_noffset
, &ndepth
);
2924 (noffset
>= 0) && (ndepth
> 0);
2925 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
2928 * Direct child node of the images parent node,
2929 * i.e. component image node.
2931 printf(" Hash(es) for Image %u (%s): ", count
++,
2932 fit_get_name(fit
, noffset
, NULL
));
2934 if (!fit_image_check_hashes(fit
, noffset
))
2943 * fit_image_check_os - check whether image node is of a given os type
2944 * @fit: pointer to the FIT format image header
2945 * @noffset: component image node offset
2946 * @os: requested image os
2948 * fit_image_check_os() reads image os property and compares its numeric
2949 * id with the requested os. Comparison result is returned to the caller.
2952 * 1 if image is of given os type
2953 * 0 otherwise (or on error)
2955 int fit_image_check_os(const void *fit
, int noffset
, uint8_t os
)
2959 if (fit_image_get_os(fit
, noffset
, &image_os
))
2961 return (os
== image_os
);
2965 * fit_image_check_arch - check whether image node is of a given arch
2966 * @fit: pointer to the FIT format image header
2967 * @noffset: component image node offset
2968 * @arch: requested imagearch
2970 * fit_image_check_arch() reads image arch property and compares its numeric
2971 * id with the requested arch. Comparison result is returned to the caller.
2974 * 1 if image is of given arch
2975 * 0 otherwise (or on error)
2977 int fit_image_check_arch(const void *fit
, int noffset
, uint8_t arch
)
2981 if (fit_image_get_arch(fit
, noffset
, &image_arch
))
2983 return (arch
== image_arch
);
2987 * fit_image_check_type - check whether image node is of a given type
2988 * @fit: pointer to the FIT format image header
2989 * @noffset: component image node offset
2990 * @type: requested image type
2992 * fit_image_check_type() reads image type property and compares its numeric
2993 * id with the requested type. Comparison result is returned to the caller.
2996 * 1 if image is of given type
2997 * 0 otherwise (or on error)
2999 int fit_image_check_type(const void *fit
, int noffset
, uint8_t type
)
3003 if (fit_image_get_type(fit
, noffset
, &image_type
))
3005 return (type
== image_type
);
3009 * fit_image_check_comp - check whether image node uses given compression
3010 * @fit: pointer to the FIT format image header
3011 * @noffset: component image node offset
3012 * @comp: requested image compression type
3014 * fit_image_check_comp() reads image compression property and compares its
3015 * numeric id with the requested compression type. Comparison result is
3016 * returned to the caller.
3019 * 1 if image uses requested compression
3020 * 0 otherwise (or on error)
3022 int fit_image_check_comp(const void *fit
, int noffset
, uint8_t comp
)
3026 if (fit_image_get_comp(fit
, noffset
, &image_comp
))
3028 return (comp
== image_comp
);
3032 * fit_check_format - sanity check FIT image format
3033 * @fit: pointer to the FIT format image header
3035 * fit_check_format() runs a basic sanity FIT image verification.
3036 * Routine checks for mandatory properties, nodes, etc.
3042 int fit_check_format(const void *fit
)
3044 /* mandatory / node 'description' property */
3045 if (fdt_getprop(fit
, 0, FIT_DESC_PROP
, NULL
) == NULL
) {
3046 debug("Wrong FIT format: no description\n");
3050 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
3051 /* mandatory / node 'timestamp' property */
3052 if (fdt_getprop(fit
, 0, FIT_TIMESTAMP_PROP
, NULL
) == NULL
) {
3053 debug("Wrong FIT format: no timestamp\n");
3058 /* mandatory subimages parent '/images' node */
3059 if (fdt_path_offset(fit
, FIT_IMAGES_PATH
) < 0) {
3060 debug("Wrong FIT format: no images parent node\n");
3069 * fit_conf_find_compat
3070 * @fit: pointer to the FIT format image header
3071 * @fdt: pointer to the device tree to compare against
3073 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
3074 * most compatible with the passed in device tree.
3083 * |-o configurations
3091 * |-compatible = "foo,bar", "bim,bam"
3094 * |-compatible = "foo,bar",
3097 * |-compatible = "bim,bam", "baz,biz"
3099 * Configuration 1 would be picked because the first string in U-Boot's
3100 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
3101 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
3104 * offset to the configuration to use if one was found
3107 int fit_conf_find_compat(const void *fit
, const void *fdt
)
3110 int noffset
, confs_noffset
, images_noffset
;
3111 const void *fdt_compat
;
3113 int best_match_offset
= 0;
3114 int best_match_pos
= 0;
3116 confs_noffset
= fdt_path_offset(fit
, FIT_CONFS_PATH
);
3117 images_noffset
= fdt_path_offset(fit
, FIT_IMAGES_PATH
);
3118 if (confs_noffset
< 0 || images_noffset
< 0) {
3119 debug("Can't find configurations or images nodes.\n");
3123 fdt_compat
= fdt_getprop(fdt
, 0, "compatible", &fdt_compat_len
);
3125 debug("Fdt for comparison has no \"compatible\" property.\n");
3130 * Loop over the configurations in the FIT image.
3132 for (noffset
= fdt_next_node(fit
, confs_noffset
, &ndepth
);
3133 (noffset
>= 0) && (ndepth
> 0);
3134 noffset
= fdt_next_node(fit
, noffset
, &ndepth
)) {
3136 const char *kfdt_name
;
3138 const char *cur_fdt_compat
;
3146 kfdt_name
= fdt_getprop(fit
, noffset
, "fdt", &len
);
3148 debug("No fdt property found.\n");
3151 kfdt_noffset
= fdt_subnode_offset(fit
, images_noffset
,
3153 if (kfdt_noffset
< 0) {
3154 debug("No image node named \"%s\" found.\n",
3159 * Get a pointer to this configuration's fdt.
3161 if (fit_image_get_data(fit
, kfdt_noffset
, &kfdt
, &size
)) {
3162 debug("Failed to get fdt \"%s\".\n", kfdt_name
);
3166 len
= fdt_compat_len
;
3167 cur_fdt_compat
= fdt_compat
;
3169 * Look for a match for each U-Boot compatibility string in
3170 * turn in this configuration's fdt.
3172 for (i
= 0; len
> 0 &&
3173 (!best_match_offset
|| best_match_pos
> i
); i
++) {
3174 int cur_len
= strlen(cur_fdt_compat
) + 1;
3176 if (!fdt_node_check_compatible(kfdt
, 0,
3178 best_match_offset
= noffset
;
3183 cur_fdt_compat
+= cur_len
;
3186 if (!best_match_offset
) {
3187 debug("No match found.\n");
3191 return best_match_offset
;
3195 * fit_conf_get_node - get node offset for configuration of a given unit name
3196 * @fit: pointer to the FIT format image header
3197 * @conf_uname: configuration node unit name
3199 * fit_conf_get_node() finds a configuration (withing the '/configurations'
3200 * parant node) of a provided unit name. If configuration is found its node offset
3201 * is returned to the caller.
3203 * When NULL is provided in second argument fit_conf_get_node() will search
3204 * for a default configuration node instead. Default configuration node unit name
3205 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node.
3208 * configuration node offset when found (>=0)
3209 * negative number on failure (FDT_ERR_* code)
3211 int fit_conf_get_node(const void *fit
, const char *conf_uname
)
3213 int noffset
, confs_noffset
;
3216 confs_noffset
= fdt_path_offset(fit
, FIT_CONFS_PATH
);
3217 if (confs_noffset
< 0) {
3218 debug("Can't find configurations parent node '%s' (%s)\n",
3219 FIT_CONFS_PATH
, fdt_strerror(confs_noffset
));
3220 return confs_noffset
;
3223 if (conf_uname
== NULL
) {
3224 /* get configuration unit name from the default property */
3225 debug("No configuration specified, trying default...\n");
3226 conf_uname
= (char *)fdt_getprop(fit
, confs_noffset
,
3227 FIT_DEFAULT_PROP
, &len
);
3228 if (conf_uname
== NULL
) {
3229 fit_get_debug(fit
, confs_noffset
, FIT_DEFAULT_PROP
,
3233 debug("Found default configuration: '%s'\n", conf_uname
);
3236 noffset
= fdt_subnode_offset(fit
, confs_noffset
, conf_uname
);
3238 debug("Can't get node offset for configuration unit name: "
3240 conf_uname
, fdt_strerror(noffset
));
3246 static int __fit_conf_get_prop_node(const void *fit
, int noffset
,
3247 const char *prop_name
)
3252 /* get kernel image unit name from configuration kernel property */
3253 uname
= (char *)fdt_getprop(fit
, noffset
, prop_name
, &len
);
3257 return fit_image_get_node(fit
, uname
);
3261 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to
3262 * a given configuration
3263 * @fit: pointer to the FIT format image header
3264 * @noffset: configuration node offset
3266 * fit_conf_get_kernel_node() retrives kernel image node unit name from
3267 * configuration FIT_KERNEL_PROP property and translates it to the node
3271 * image node offset when found (>=0)
3272 * negative number on failure (FDT_ERR_* code)
3274 int fit_conf_get_kernel_node(const void *fit
, int noffset
)
3276 return __fit_conf_get_prop_node(fit
, noffset
, FIT_KERNEL_PROP
);
3280 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
3281 * a given configuration
3282 * @fit: pointer to the FIT format image header
3283 * @noffset: configuration node offset
3285 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
3286 * configuration FIT_KERNEL_PROP property and translates it to the node
3290 * image node offset when found (>=0)
3291 * negative number on failure (FDT_ERR_* code)
3293 int fit_conf_get_ramdisk_node(const void *fit
, int noffset
)
3295 return __fit_conf_get_prop_node(fit
, noffset
, FIT_RAMDISK_PROP
);
3299 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
3300 * a given configuration
3301 * @fit: pointer to the FIT format image header
3302 * @noffset: configuration node offset
3304 * fit_conf_get_fdt_node() retrives fdt image node unit name from
3305 * configuration FIT_KERNEL_PROP property and translates it to the node
3309 * image node offset when found (>=0)
3310 * negative number on failure (FDT_ERR_* code)
3312 int fit_conf_get_fdt_node(const void *fit
, int noffset
)
3314 return __fit_conf_get_prop_node(fit
, noffset
, FIT_FDT_PROP
);
3318 * fit_conf_print - prints out the FIT configuration details
3319 * @fit: pointer to the FIT format image header
3320 * @noffset: offset of the configuration node
3321 * @p: pointer to prefix string
3323 * fit_conf_print() lists all mandatory properies for the processed
3324 * configuration node.
3327 * no returned results
3329 void fit_conf_print(const void *fit
, int noffset
, const char *p
)
3335 /* Mandatory properties */
3336 ret
= fit_get_desc(fit
, noffset
, &desc
);
3337 printf("%s Description: ", p
);
3339 printf("unavailable\n");
3341 printf("%s\n", desc
);
3343 uname
= (char *)fdt_getprop(fit
, noffset
, FIT_KERNEL_PROP
, NULL
);
3344 printf("%s Kernel: ", p
);
3346 printf("unavailable\n");
3348 printf("%s\n", uname
);
3350 /* Optional properties */
3351 uname
= (char *)fdt_getprop(fit
, noffset
, FIT_RAMDISK_PROP
, NULL
);
3353 printf("%s Init Ramdisk: %s\n", p
, uname
);
3355 uname
= (char *)fdt_getprop(fit
, noffset
, FIT_FDT_PROP
, NULL
);
3357 printf("%s FDT: %s\n", p
, uname
);
3361 * fit_check_ramdisk - verify FIT format ramdisk subimage
3362 * @fit_hdr: pointer to the FIT ramdisk header
3363 * @rd_noffset: ramdisk subimage node offset within FIT image
3364 * @arch: requested ramdisk image architecture type
3365 * @verify: data CRC verification flag
3367 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
3368 * specified FIT image.
3375 static int fit_check_ramdisk(const void *fit
, int rd_noffset
, uint8_t arch
,
3378 fit_image_print(fit
, rd_noffset
, " ");
3381 puts(" Verifying Hash Integrity ... ");
3382 if (!fit_image_check_hashes(fit
, rd_noffset
)) {
3383 puts("Bad Data Hash\n");
3384 bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH
);
3390 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL
);
3391 if (!fit_image_check_os(fit
, rd_noffset
, IH_OS_LINUX
) ||
3392 !fit_image_check_arch(fit
, rd_noffset
, arch
) ||
3393 !fit_image_check_type(fit
, rd_noffset
, IH_TYPE_RAMDISK
)) {
3394 printf("No Linux %s Ramdisk Image\n",
3395 genimg_get_arch_name(arch
));
3396 bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL
);
3400 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK
);
3403 #endif /* USE_HOSTCC */
3404 #endif /* CONFIG_FIT */