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
44 #include <environment.h>
47 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
49 #include <fdt_support.h>
52 #include <u-boot/md5.h>
54 #include <asm/errno.h>
58 extern int do_bdinfo(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[]);
61 DECLARE_GLOBAL_DATA_PTR
;
63 static const image_header_t
*image_get_ramdisk(ulong rd_addr
, uint8_t arch
,
67 #include <u-boot/md5.h>
70 #endif /* !USE_HOSTCC*/
72 #include <u-boot/crc.h>
74 #ifndef CONFIG_SYS_BARGSIZE
75 #define CONFIG_SYS_BARGSIZE 512
78 static const table_entry_t uimage_arch
[] = {
79 { IH_ARCH_INVALID
, NULL
, "Invalid ARCH", },
80 { IH_ARCH_ALPHA
, "alpha", "Alpha", },
81 { IH_ARCH_ARM
, "arm", "ARM", },
82 { IH_ARCH_I386
, "x86", "Intel x86", },
83 { IH_ARCH_IA64
, "ia64", "IA64", },
84 { IH_ARCH_M68K
, "m68k", "M68K", },
85 { IH_ARCH_MICROBLAZE
, "microblaze", "MicroBlaze", },
86 { IH_ARCH_MIPS
, "mips", "MIPS", },
87 { IH_ARCH_MIPS64
, "mips64", "MIPS 64 Bit", },
88 { IH_ARCH_NIOS2
, "nios2", "NIOS II", },
89 { IH_ARCH_PPC
, "powerpc", "PowerPC", },
90 { IH_ARCH_PPC
, "ppc", "PowerPC", },
91 { IH_ARCH_S390
, "s390", "IBM S390", },
92 { IH_ARCH_SH
, "sh", "SuperH", },
93 { IH_ARCH_SPARC
, "sparc", "SPARC", },
94 { IH_ARCH_SPARC64
, "sparc64", "SPARC 64 Bit", },
95 { IH_ARCH_BLACKFIN
, "blackfin", "Blackfin", },
96 { IH_ARCH_AVR32
, "avr32", "AVR32", },
97 { IH_ARCH_NDS32
, "nds32", "NDS32", },
98 { IH_ARCH_OPENRISC
, "or1k", "OpenRISC 1000",},
99 { IH_ARCH_SANDBOX
, "sandbox", "Sandbox", },
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 /*****************************************************************************/
167 /* Legacy format routines */
168 /*****************************************************************************/
169 int image_check_hcrc(const image_header_t
*hdr
)
172 ulong len
= image_get_header_size();
173 image_header_t header
;
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);
179 hcrc
= crc32(0, (unsigned char *)&header
, len
);
181 return (hcrc
== image_get_hcrc(hdr
));
184 int image_check_dcrc(const image_header_t
*hdr
)
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
);
190 return (dcrc
== image_get_dcrc(hdr
));
194 * image_multi_count - get component (sub-image) count
195 * @hdr: pointer to the header of the multi component image
197 * image_multi_count() returns number of components in a multi
200 * Note: no checking of the image type is done, caller must pass
201 * a valid multi component image.
204 * number of components
206 ulong
image_multi_count(const image_header_t
*hdr
)
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
);
215 /* count non empty slots */
216 for (i
= 0; size
[i
]; ++i
)
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
229 * image_multi_getimg() returns size and data address for the requested
230 * component in a multi component image.
232 * Note: no checking of the image type is done, caller must pass
233 * a valid multi component image.
236 * data address and size of the component, if idx is valid
237 * 0 in data and len, if idx is out of range
239 void image_multi_getimg(const image_header_t
*hdr
, ulong idx
,
240 ulong
*data
, ulong
*len
)
244 ulong offset
, count
, img_data
;
246 /* get number of component */
247 count
= image_multi_count(hdr
);
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
);
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);
258 *len
= uimage_to_cpu(size
[idx
]);
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 ;
267 /* calculate idx-th component data address */
268 *data
= img_data
+ offset
;
275 static void image_print_type(const image_header_t
*hdr
)
277 const char *os
, *arch
, *type
, *comp
;
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
));
284 printf("%s %s %s (%s)\n", arch
, os
, type
, comp
);
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
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.
297 * no returned results
299 void image_print_contents(const void *ptr
)
301 const image_header_t
*hdr
= (const image_header_t
*)ptr
;
304 p
= IMAGE_INDENT_STRING
;
305 printf("%sImage Name: %.*s\n", p
, IH_NMLEN
, image_get_name(hdr
));
306 if (IMAGE_ENABLE_TIMESTAMP
) {
307 printf("%sCreated: ", p
);
308 genimg_print_time((time_t)image_get_time(hdr
));
310 printf("%sImage Type: ", p
);
311 image_print_type(hdr
);
312 printf("%sData Size: ", p
);
313 genimg_print_size(image_get_data_size(hdr
));
314 printf("%sLoad Address: %08x\n", p
, image_get_load(hdr
));
315 printf("%sEntry Point: %08x\n", p
, image_get_ep(hdr
));
317 if (image_check_type(hdr
, IH_TYPE_MULTI
) ||
318 image_check_type(hdr
, IH_TYPE_SCRIPT
)) {
321 ulong count
= image_multi_count(hdr
);
323 printf("%sContents:\n", p
);
324 for (i
= 0; i
< count
; i
++) {
325 image_multi_getimg(hdr
, i
, &data
, &len
);
327 printf("%s Image %d: ", p
, i
);
328 genimg_print_size(len
);
330 if (image_check_type(hdr
, IH_TYPE_SCRIPT
) && i
> 0) {
332 * the user may need to know offsets
333 * if planning to do something with
336 printf("%s Offset = 0x%08lx\n", p
, data
);
345 * image_get_ramdisk - get and verify ramdisk image
346 * @rd_addr: ramdisk image start address
347 * @arch: expected ramdisk architecture
348 * @verify: checksum verification flag
350 * image_get_ramdisk() returns a pointer to the verified ramdisk image
351 * header. Routine receives image start address and expected architecture
352 * flag. Verification done covers data and header integrity and os/type/arch
355 * If dataflash support is enabled routine checks for dataflash addresses
356 * and handles required dataflash reads.
359 * pointer to a ramdisk image header, if image was found and valid
360 * otherwise, return NULL
362 static const image_header_t
*image_get_ramdisk(ulong rd_addr
, uint8_t arch
,
365 const image_header_t
*rd_hdr
= (const image_header_t
*)rd_addr
;
367 if (!image_check_magic(rd_hdr
)) {
368 puts("Bad Magic Number\n");
369 bootstage_error(BOOTSTAGE_ID_RD_MAGIC
);
373 if (!image_check_hcrc(rd_hdr
)) {
374 puts("Bad Header Checksum\n");
375 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM
);
379 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC
);
380 image_print_contents(rd_hdr
);
383 puts(" Verifying Checksum ... ");
384 if (!image_check_dcrc(rd_hdr
)) {
385 puts("Bad Data CRC\n");
386 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM
);
392 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM
);
394 if (!image_check_os(rd_hdr
, IH_OS_LINUX
) ||
395 !image_check_arch(rd_hdr
, arch
) ||
396 !image_check_type(rd_hdr
, IH_TYPE_RAMDISK
)) {
397 printf("No Linux %s Ramdisk Image\n",
398 genimg_get_arch_name(arch
));
399 bootstage_error(BOOTSTAGE_ID_RAMDISK
);
405 #endif /* !USE_HOSTCC */
407 /*****************************************************************************/
408 /* Shared dual-format routines */
409 /*****************************************************************************/
411 ulong load_addr
= CONFIG_SYS_LOAD_ADDR
; /* Default Load Address */
412 ulong save_addr
; /* Default Save Address */
413 ulong save_size
; /* Default Save Size (in bytes) */
415 static int on_loadaddr(const char *name
, const char *value
, enum env_op op
,
420 case env_op_overwrite
:
421 load_addr
= simple_strtoul(value
, NULL
, 16);
429 U_BOOT_ENV_CALLBACK(loadaddr
, on_loadaddr
);
431 ulong
getenv_bootm_low(void)
433 char *s
= getenv("bootm_low");
435 ulong tmp
= simple_strtoul(s
, NULL
, 16);
439 #if defined(CONFIG_SYS_SDRAM_BASE)
440 return CONFIG_SYS_SDRAM_BASE
;
441 #elif defined(CONFIG_ARM)
442 return gd
->bd
->bi_dram
[0].start
;
448 phys_size_t
getenv_bootm_size(void)
451 char *s
= getenv("bootm_size");
453 tmp
= (phys_size_t
)simple_strtoull(s
, NULL
, 16);
456 s
= getenv("bootm_low");
458 tmp
= (phys_size_t
)simple_strtoull(s
, NULL
, 16);
463 #if defined(CONFIG_ARM)
464 return gd
->bd
->bi_dram
[0].size
- tmp
;
466 return gd
->bd
->bi_memsize
- tmp
;
470 phys_size_t
getenv_bootm_mapsize(void)
473 char *s
= getenv("bootm_mapsize");
475 tmp
= (phys_size_t
)simple_strtoull(s
, NULL
, 16);
479 #if defined(CONFIG_SYS_BOOTMAPSZ)
480 return CONFIG_SYS_BOOTMAPSZ
;
482 return getenv_bootm_size();
486 void memmove_wd(void *to
, void *from
, size_t len
, ulong chunksz
)
491 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
493 size_t tail
= (len
> chunksz
) ? chunksz
: len
;
495 memmove(to
, from
, tail
);
500 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
501 memmove(to
, from
, len
);
502 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
504 #endif /* !USE_HOSTCC */
506 void genimg_print_size(uint32_t size
)
509 printf("%d Bytes = ", size
);
510 print_size(size
, "\n");
512 printf("%d Bytes = %.2f kB = %.2f MB\n",
513 size
, (double)size
/ 1.024e3
,
514 (double)size
/ 1.048576e6
);
518 #if IMAGE_ENABLE_TIMESTAMP
519 void genimg_print_time(time_t timestamp
)
524 to_tm(timestamp
, &tm
);
525 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
526 tm
.tm_year
, tm
.tm_mon
, tm
.tm_mday
,
527 tm
.tm_hour
, tm
.tm_min
, tm
.tm_sec
);
529 printf("%s", ctime(×tamp
));
535 * get_table_entry_name - translate entry id to long name
536 * @table: pointer to a translation table for entries of a specific type
537 * @msg: message to be returned when translation fails
538 * @id: entry id to be translated
540 * get_table_entry_name() will go over translation table trying to find
541 * entry that matches given id. If matching entry is found, its long
542 * name is returned to the caller.
545 * long entry name if translation succeeds
548 char *get_table_entry_name(const table_entry_t
*table
, char *msg
, int id
)
550 for (; table
->id
>= 0; ++table
) {
552 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
555 return table
->lname
+ gd
->reloc_off
;
561 const char *genimg_get_os_name(uint8_t os
)
563 return (get_table_entry_name(uimage_os
, "Unknown OS", os
));
566 const char *genimg_get_arch_name(uint8_t arch
)
568 return (get_table_entry_name(uimage_arch
, "Unknown Architecture",
572 const char *genimg_get_type_name(uint8_t type
)
574 return (get_table_entry_name(uimage_type
, "Unknown Image", type
));
577 const char *genimg_get_comp_name(uint8_t comp
)
579 return (get_table_entry_name(uimage_comp
, "Unknown Compression",
584 * get_table_entry_id - translate short entry name to id
585 * @table: pointer to a translation table for entries of a specific type
586 * @table_name: to be used in case of error
587 * @name: entry short name to be translated
589 * get_table_entry_id() will go over translation table trying to find
590 * entry that matches given short name. If matching entry is found,
591 * its id returned to the caller.
594 * entry id if translation succeeds
597 int get_table_entry_id(const table_entry_t
*table
,
598 const char *table_name
, const char *name
)
600 const table_entry_t
*t
;
604 for (t
= table
; t
->id
>= 0; ++t
) {
605 if (t
->sname
&& strcasecmp(t
->sname
, name
) == 0)
609 fprintf(stderr
, "\nInvalid %s Type - valid names are", table_name
);
610 for (t
= table
; t
->id
>= 0; ++t
) {
611 if (t
->sname
== NULL
)
613 fprintf(stderr
, "%c %s", (first
) ? ':' : ',', t
->sname
);
616 fprintf(stderr
, "\n");
618 for (t
= table
; t
->id
>= 0; ++t
) {
619 #ifdef CONFIG_NEEDS_MANUAL_RELOC
620 if (t
->sname
&& strcmp(t
->sname
+ gd
->reloc_off
, name
) == 0)
622 if (t
->sname
&& strcmp(t
->sname
, name
) == 0)
626 debug("Invalid %s Type: %s\n", table_name
, name
);
627 #endif /* USE_HOSTCC */
631 int genimg_get_os_id(const char *name
)
633 return (get_table_entry_id(uimage_os
, "OS", name
));
636 int genimg_get_arch_id(const char *name
)
638 return (get_table_entry_id(uimage_arch
, "CPU", name
));
641 int genimg_get_type_id(const char *name
)
643 return (get_table_entry_id(uimage_type
, "Image", name
));
646 int genimg_get_comp_id(const char *name
)
648 return (get_table_entry_id(uimage_comp
, "Compression", name
));
653 * genimg_get_format - get image format type
654 * @img_addr: image start address
656 * genimg_get_format() checks whether provided address points to a valid
657 * legacy or FIT image.
659 * New uImage format and FDT blob are based on a libfdt. FDT blob
660 * may be passed directly or embedded in a FIT image. In both situations
661 * genimg_get_format() must be able to dectect libfdt header.
664 * image format type or IMAGE_FORMAT_INVALID if no image is present
666 int genimg_get_format(const void *img_addr
)
668 ulong format
= IMAGE_FORMAT_INVALID
;
669 const image_header_t
*hdr
;
670 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
674 hdr
= (const image_header_t
*)img_addr
;
675 if (image_check_magic(hdr
))
676 format
= IMAGE_FORMAT_LEGACY
;
677 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
679 fit_hdr
= (char *)img_addr
;
680 if (fdt_check_header(fit_hdr
) == 0)
681 format
= IMAGE_FORMAT_FIT
;
689 * genimg_get_image - get image from special storage (if necessary)
690 * @img_addr: image start address
692 * genimg_get_image() checks if provided image start adddress is located
693 * in a dataflash storage. If so, image is moved to a system RAM memory.
696 * image start address after possible relocation from special storage
698 ulong
genimg_get_image(ulong img_addr
)
700 ulong ram_addr
= img_addr
;
702 #ifdef CONFIG_HAS_DATAFLASH
703 ulong h_size
, d_size
;
705 if (addr_dataflash(img_addr
)) {
708 /* ger RAM address */
709 ram_addr
= CONFIG_SYS_LOAD_ADDR
;
711 /* get header size */
712 h_size
= image_get_header_size();
713 #if defined(CONFIG_FIT)
714 if (sizeof(struct fdt_header
) > h_size
)
715 h_size
= sizeof(struct fdt_header
);
719 debug(" Reading image header from dataflash address "
720 "%08lx to RAM address %08lx\n", img_addr
, ram_addr
);
722 buf
= map_sysmem(ram_addr
, 0);
723 read_dataflash(img_addr
, h_size
, buf
);
726 switch (genimg_get_format(buf
)) {
727 case IMAGE_FORMAT_LEGACY
:
728 d_size
= image_get_data_size(buf
);
729 debug(" Legacy format image found at 0x%08lx, "
733 #if defined(CONFIG_FIT)
734 case IMAGE_FORMAT_FIT
:
735 d_size
= fit_get_size(buf
) - h_size
;
736 debug(" FIT/FDT format image found at 0x%08lx, "
742 printf(" No valid image found at 0x%08lx\n",
747 /* read in image data */
748 debug(" Reading image remaining data from dataflash address "
749 "%08lx to RAM address %08lx\n", img_addr
+ h_size
,
752 read_dataflash(img_addr
+ h_size
, d_size
,
753 (char *)(buf
+ h_size
));
756 #endif /* CONFIG_HAS_DATAFLASH */
762 * fit_has_config - check if there is a valid FIT configuration
763 * @images: pointer to the bootm command headers structure
765 * fit_has_config() checks if there is a FIT configuration in use
766 * (if FTI support is present).
769 * 0, no FIT support or no configuration found
770 * 1, configuration found
772 int genimg_has_config(bootm_headers_t
*images
)
774 #if defined(CONFIG_FIT)
775 if (images
->fit_uname_cfg
)
782 * boot_get_ramdisk - main ramdisk handling routine
783 * @argc: command argument count
784 * @argv: command argument list
785 * @images: pointer to the bootm images structure
786 * @arch: expected ramdisk architecture
787 * @rd_start: pointer to a ulong variable, will hold ramdisk start address
788 * @rd_end: pointer to a ulong variable, will hold ramdisk end
790 * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
791 * Curently supported are the following ramdisk sources:
792 * - multicomponent kernel/ramdisk image,
793 * - commandline provided address of decicated ramdisk image.
796 * 0, if ramdisk image was found and valid, or skiped
797 * rd_start and rd_end are set to ramdisk start/end addresses if
798 * ramdisk image is found and valid
800 * 1, if ramdisk image is found but corrupted, or invalid
801 * rd_start and rd_end are set to 0 if no ramdisk exists
803 int boot_get_ramdisk(int argc
, char * const argv
[], bootm_headers_t
*images
,
804 uint8_t arch
, ulong
*rd_start
, ulong
*rd_end
)
806 ulong rd_addr
, rd_load
;
807 ulong rd_data
, rd_len
;
808 const image_header_t
*rd_hdr
;
810 #ifdef CONFIG_SUPPORT_RAW_INITRD
813 #if defined(CONFIG_FIT)
814 const char *fit_uname_config
= NULL
;
815 const char *fit_uname_ramdisk
= NULL
;
824 * Look for a '-' which indicates to ignore the
827 if ((argc
>= 3) && (strcmp(argv
[2], "-") == 0)) {
828 debug("## Skipping init Ramdisk\n");
829 rd_len
= rd_data
= 0;
830 } else if (argc
>= 3 || genimg_has_config(images
)) {
831 #if defined(CONFIG_FIT)
834 * If the init ramdisk comes from the FIT image and
835 * the FIT image address is omitted in the command
836 * line argument, try to use os FIT image address or
837 * default load address.
839 if (images
->fit_uname_os
)
840 default_addr
= (ulong
)images
->fit_hdr_os
;
842 default_addr
= load_addr
;
844 if (fit_parse_conf(argv
[2], default_addr
,
845 &rd_addr
, &fit_uname_config
)) {
846 debug("* ramdisk: config '%s' from image at "
848 fit_uname_config
, rd_addr
);
849 } else if (fit_parse_subimage(argv
[2], default_addr
,
850 &rd_addr
, &fit_uname_ramdisk
)) {
851 debug("* ramdisk: subimage '%s' from image at "
853 fit_uname_ramdisk
, rd_addr
);
857 rd_addr
= simple_strtoul(argv
[2], NULL
, 16);
858 debug("* ramdisk: cmdline image address = "
862 #if defined(CONFIG_FIT)
864 /* use FIT configuration provided in first bootm
865 * command argument. If the property is not defined,
868 rd_addr
= map_to_sysmem(images
->fit_hdr_os
);
869 rd_noffset
= fit_get_node_from_config(images
,
870 FIT_RAMDISK_PROP
, rd_addr
);
871 if (rd_noffset
== -ENOLINK
)
873 else if (rd_noffset
< 0)
878 /* copy from dataflash if needed */
879 rd_addr
= genimg_get_image(rd_addr
);
882 * Check if there is an initrd image at the
883 * address provided in the second bootm argument
884 * check image type, for FIT images get FIT node.
886 buf
= map_sysmem(rd_addr
, 0);
887 switch (genimg_get_format(buf
)) {
888 case IMAGE_FORMAT_LEGACY
:
889 printf("## Loading init Ramdisk from Legacy "
890 "Image at %08lx ...\n", rd_addr
);
892 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK
);
893 rd_hdr
= image_get_ramdisk(rd_addr
, arch
,
899 rd_data
= image_get_data(rd_hdr
);
900 rd_len
= image_get_data_size(rd_hdr
);
901 rd_load
= image_get_load(rd_hdr
);
903 #if defined(CONFIG_FIT)
904 case IMAGE_FORMAT_FIT
:
905 rd_noffset
= fit_image_load(images
, FIT_RAMDISK_PROP
,
906 rd_addr
, &fit_uname_ramdisk
,
907 fit_uname_config
, arch
,
909 BOOTSTAGE_ID_FIT_RD_START
,
910 FIT_LOAD_REQUIRED
, &rd_data
, &rd_len
);
914 images
->fit_hdr_rd
= map_sysmem(rd_addr
, 0);
915 images
->fit_uname_rd
= fit_uname_ramdisk
;
916 images
->fit_noffset_rd
= rd_noffset
;
920 #ifdef CONFIG_SUPPORT_RAW_INITRD
921 if (argc
>= 3 && (end
= strchr(argv
[2], ':'))) {
922 rd_len
= simple_strtoul(++end
, NULL
, 16);
927 puts("Wrong Ramdisk Image Format\n");
928 rd_data
= rd_len
= rd_load
= 0;
932 } else if (images
->legacy_hdr_valid
&&
933 image_check_type(&images
->legacy_hdr_os_copy
,
937 * Now check if we have a legacy mult-component image,
938 * get second entry data start address and len.
940 bootstage_mark(BOOTSTAGE_ID_RAMDISK
);
941 printf("## Loading init Ramdisk from multi component "
942 "Legacy Image at %08lx ...\n",
943 (ulong
)images
->legacy_hdr_os
);
945 image_multi_getimg(images
->legacy_hdr_os
, 1, &rd_data
, &rd_len
);
950 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK
);
951 rd_len
= rd_data
= 0;
955 debug("## No init Ramdisk\n");
958 *rd_end
= rd_data
+ rd_len
;
960 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
966 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
968 * boot_ramdisk_high - relocate init ramdisk
969 * @lmb: pointer to lmb handle, will be used for memory mgmt
970 * @rd_data: ramdisk data start address
971 * @rd_len: ramdisk data length
972 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
973 * start address (after possible relocation)
974 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
975 * end address (after possible relocation)
977 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
978 * variable and if requested ramdisk data is moved to a specified location.
980 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
981 * start/end addresses if ramdisk image start and len were provided,
982 * otherwise set initrd_start and initrd_end set to zeros.
988 int boot_ramdisk_high(struct lmb
*lmb
, ulong rd_data
, ulong rd_len
,
989 ulong
*initrd_start
, ulong
*initrd_end
)
993 int initrd_copy_to_ram
= 1;
995 if ((s
= getenv("initrd_high")) != NULL
) {
996 /* a value of "no" or a similar string will act like 0,
997 * turning the "load high" feature off. This is intentional.
999 initrd_high
= simple_strtoul(s
, NULL
, 16);
1000 if (initrd_high
== ~0)
1001 initrd_copy_to_ram
= 0;
1003 /* not set, no restrictions to load high */
1008 #ifdef CONFIG_LOGBUFFER
1009 /* Prevent initrd from overwriting logbuffer */
1010 lmb_reserve(lmb
, logbuffer_base() - LOGBUFF_OVERHEAD
, LOGBUFF_RESERVE
);
1013 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1014 initrd_high
, initrd_copy_to_ram
);
1017 if (!initrd_copy_to_ram
) { /* zero-copy ramdisk support */
1018 debug(" in-place initrd\n");
1019 *initrd_start
= rd_data
;
1020 *initrd_end
= rd_data
+ rd_len
;
1021 lmb_reserve(lmb
, rd_data
, rd_len
);
1024 *initrd_start
= (ulong
)lmb_alloc_base(lmb
,
1025 rd_len
, 0x1000, initrd_high
);
1027 *initrd_start
= (ulong
)lmb_alloc(lmb
, rd_len
,
1030 if (*initrd_start
== 0) {
1031 puts("ramdisk - allocation error\n");
1034 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK
);
1036 *initrd_end
= *initrd_start
+ rd_len
;
1037 printf(" Loading Ramdisk to %08lx, end %08lx ... ",
1038 *initrd_start
, *initrd_end
);
1040 memmove_wd((void *)*initrd_start
,
1041 (void *)rd_data
, rd_len
, CHUNKSZ
);
1045 * Ensure the image is flushed to memory to handle
1046 * AMP boot scenarios in which we might not be
1049 flush_cache((unsigned long)*initrd_start
, rd_len
);
1057 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1058 *initrd_start
, *initrd_end
);
1065 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1067 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1069 * boot_get_cmdline - allocate and initialize kernel cmdline
1070 * @lmb: pointer to lmb handle, will be used for memory mgmt
1071 * @cmd_start: pointer to a ulong variable, will hold cmdline start
1072 * @cmd_end: pointer to a ulong variable, will hold cmdline end
1074 * boot_get_cmdline() allocates space for kernel command line below
1075 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1076 * variable is present its contents is copied to allocated kernel
1083 int boot_get_cmdline(struct lmb
*lmb
, ulong
*cmd_start
, ulong
*cmd_end
)
1088 cmdline
= (char *)(ulong
)lmb_alloc_base(lmb
, CONFIG_SYS_BARGSIZE
, 0xf,
1089 getenv_bootm_mapsize() + getenv_bootm_low());
1091 if (cmdline
== NULL
)
1094 if ((s
= getenv("bootargs")) == NULL
)
1099 *cmd_start
= (ulong
) & cmdline
[0];
1100 *cmd_end
= *cmd_start
+ strlen(cmdline
);
1102 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start
, *cmd_end
);
1106 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1108 #ifdef CONFIG_SYS_BOOT_GET_KBD
1110 * boot_get_kbd - allocate and initialize kernel copy of board info
1111 * @lmb: pointer to lmb handle, will be used for memory mgmt
1112 * @kbd: double pointer to board info data
1114 * boot_get_kbd() allocates space for kernel copy of board info data below
1115 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1116 * with the current u-boot board info data.
1122 int boot_get_kbd(struct lmb
*lmb
, bd_t
**kbd
)
1124 *kbd
= (bd_t
*)(ulong
)lmb_alloc_base(lmb
, sizeof(bd_t
), 0xf,
1125 getenv_bootm_mapsize() + getenv_bootm_low());
1131 debug("## kernel board info at 0x%08lx\n", (ulong
)*kbd
);
1133 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1134 do_bdinfo(NULL
, 0, 0, NULL
);
1139 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1142 int image_setup_linux(bootm_headers_t
*images
)
1144 ulong of_size
= images
->ft_len
;
1145 char **of_flat_tree
= &images
->ft_addr
;
1146 ulong
*initrd_start
= &images
->initrd_start
;
1147 ulong
*initrd_end
= &images
->initrd_end
;
1148 struct lmb
*lmb
= &images
->lmb
;
1152 if (IMAGE_ENABLE_OF_LIBFDT
)
1153 boot_fdt_add_mem_rsv_regions(lmb
, *of_flat_tree
);
1155 if (IMAGE_BOOT_GET_CMDLINE
) {
1156 ret
= boot_get_cmdline(lmb
, &images
->cmdline_start
,
1157 &images
->cmdline_end
);
1159 puts("ERROR with allocation of cmdline\n");
1163 if (IMAGE_ENABLE_RAMDISK_HIGH
) {
1164 rd_len
= images
->rd_end
- images
->rd_start
;
1165 ret
= boot_ramdisk_high(lmb
, images
->rd_start
, rd_len
,
1166 initrd_start
, initrd_end
);
1171 if (IMAGE_ENABLE_OF_LIBFDT
) {
1172 ret
= boot_relocate_fdt(lmb
, of_flat_tree
, &of_size
);
1177 if (IMAGE_ENABLE_OF_LIBFDT
&& of_size
) {
1178 ret
= image_setup_libfdt(images
, *of_flat_tree
, of_size
, lmb
);
1185 #endif /* CONFIG_LMB */
1186 #endif /* !USE_HOSTCC */