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;
819 const char *select = NULL;
827 * Look for a '-' which indicates to ignore the
830 if (select && strcmp(select, "-") == 0) {
831 debug("## Skipping init Ramdisk\n");
832 rd_len = rd_data = 0;
833 } else if (select || genimg_has_config(images)) {
834 #if defined(CONFIG_FIT)
837 * If the init ramdisk comes from the FIT image and
838 * the FIT image address is omitted in the command
839 * line argument, try to use os FIT image address or
840 * default load address.
842 if (images->fit_uname_os)
843 default_addr = (ulong)images->fit_hdr_os;
845 default_addr = load_addr;
847 if (fit_parse_conf(select, default_addr,
848 &rd_addr, &fit_uname_config)) {
849 debug("* ramdisk: config '%s' from image at "
851 fit_uname_config, rd_addr);
852 } else if (fit_parse_subimage(select, default_addr,
853 &rd_addr, &fit_uname_ramdisk)) {
854 debug("* ramdisk: subimage '%s' from image at "
856 fit_uname_ramdisk, rd_addr);
860 rd_addr = simple_strtoul(select, NULL, 16);
861 debug("* ramdisk: cmdline image address = "
865 #if defined(CONFIG_FIT)
867 /* use FIT configuration provided in first bootm
868 * command argument. If the property is not defined,
871 rd_addr = map_to_sysmem(images->fit_hdr_os);
872 rd_noffset = fit_get_node_from_config(images,
873 FIT_RAMDISK_PROP, rd_addr);
874 if (rd_noffset == -ENOLINK)
876 else if (rd_noffset < 0)
881 /* copy from dataflash if needed */
882 rd_addr = genimg_get_image(rd_addr);
885 * Check if there is an initrd image at the
886 * address provided in the second bootm argument
887 * check image type, for FIT images get FIT node.
889 buf = map_sysmem(rd_addr, 0);
890 switch (genimg_get_format(buf)) {
891 case IMAGE_FORMAT_LEGACY:
892 printf("## Loading init Ramdisk from Legacy "
893 "Image at %08lx ...\n", rd_addr);
895 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
896 rd_hdr = image_get_ramdisk(rd_addr, arch,
902 rd_data = image_get_data(rd_hdr);
903 rd_len = image_get_data_size(rd_hdr);
904 rd_load = image_get_load(rd_hdr);
906 #if defined(CONFIG_FIT)
907 case IMAGE_FORMAT_FIT:
908 rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP,
909 rd_addr, &fit_uname_ramdisk,
910 fit_uname_config, arch,
912 BOOTSTAGE_ID_FIT_RD_START,
913 FIT_LOAD_REQUIRED, &rd_data, &rd_len);
917 images->fit_hdr_rd = map_sysmem(rd_addr, 0);
918 images->fit_uname_rd = fit_uname_ramdisk;
919 images->fit_noffset_rd = rd_noffset;
923 #ifdef CONFIG_SUPPORT_RAW_INITRD
926 end = strchr(select, ':');
928 rd_len = simple_strtoul(++end, NULL, 16);
933 puts("Wrong Ramdisk Image Format\n");
934 rd_data = rd_len = rd_load = 0;
938 } else if (images->legacy_hdr_valid &&
939 image_check_type(&images->legacy_hdr_os_copy,
943 * Now check if we have a legacy mult-component image,
944 * get second entry data start address and len.
946 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
947 printf("## Loading init Ramdisk from multi component "
948 "Legacy Image at %08lx ...\n",
949 (ulong)images->legacy_hdr_os);
951 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
956 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
957 rd_len = rd_data = 0;
961 debug("## No init Ramdisk\n");
964 *rd_end = rd_data + rd_len;
966 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
972 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
974 * boot_ramdisk_high - relocate init ramdisk
975 * @lmb: pointer to lmb handle, will be used for memory mgmt
976 * @rd_data: ramdisk data start address
977 * @rd_len: ramdisk data length
978 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
979 * start address (after possible relocation)
980 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
981 * end address (after possible relocation)
983 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
984 * variable and if requested ramdisk data is moved to a specified location.
986 * Initrd_start and initrd_end are set to final (after relocation) ramdisk
987 * start/end addresses if ramdisk image start and len were provided,
988 * otherwise set initrd_start and initrd_end set to zeros.
994 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
995 ulong *initrd_start, ulong *initrd_end)
999 int initrd_copy_to_ram = 1;
1001 if ((s = getenv("initrd_high")) != NULL) {
1002 /* a value of "no" or a similar string will act like 0,
1003 * turning the "load high" feature off. This is intentional.
1005 initrd_high = simple_strtoul(s, NULL, 16);
1006 if (initrd_high == ~0)
1007 initrd_copy_to_ram = 0;
1009 /* not set, no restrictions to load high */
1014 #ifdef CONFIG_LOGBUFFER
1015 /* Prevent initrd from overwriting logbuffer */
1016 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1019 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1020 initrd_high, initrd_copy_to_ram);
1023 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
1024 debug(" in-place initrd\n");
1025 *initrd_start = rd_data;
1026 *initrd_end = rd_data + rd_len;
1027 lmb_reserve(lmb, rd_data, rd_len);
1030 *initrd_start = (ulong)lmb_alloc_base(lmb,
1031 rd_len, 0x1000, initrd_high);
1033 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1036 if (*initrd_start == 0) {
1037 puts("ramdisk - allocation error\n");
1040 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1042 *initrd_end = *initrd_start + rd_len;
1043 printf(" Loading Ramdisk to %08lx, end %08lx ... ",
1044 *initrd_start, *initrd_end);
1046 memmove_wd((void *)*initrd_start,
1047 (void *)rd_data, rd_len, CHUNKSZ);
1051 * Ensure the image is flushed to memory to handle
1052 * AMP boot scenarios in which we might not be
1055 flush_cache((unsigned long)*initrd_start, rd_len);
1063 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1064 *initrd_start, *initrd_end);
1071 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1073 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1075 * boot_get_cmdline - allocate and initialize kernel cmdline
1076 * @lmb: pointer to lmb handle, will be used for memory mgmt
1077 * @cmd_start: pointer to a ulong variable, will hold cmdline start
1078 * @cmd_end: pointer to a ulong variable, will hold cmdline end
1080 * boot_get_cmdline() allocates space for kernel command line below
1081 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1082 * variable is present its contents is copied to allocated kernel
1089 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1094 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1095 getenv_bootm_mapsize() + getenv_bootm_low());
1097 if (cmdline == NULL)
1100 if ((s = getenv("bootargs")) == NULL)
1105 *cmd_start = (ulong) & cmdline[0];
1106 *cmd_end = *cmd_start + strlen(cmdline);
1108 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1112 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1114 #ifdef CONFIG_SYS_BOOT_GET_KBD
1116 * boot_get_kbd - allocate and initialize kernel copy of board info
1117 * @lmb: pointer to lmb handle, will be used for memory mgmt
1118 * @kbd: double pointer to board info data
1120 * boot_get_kbd() allocates space for kernel copy of board info data below
1121 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1122 * with the current u-boot board info data.
1128 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1130 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1131 getenv_bootm_mapsize() + getenv_bootm_low());
1137 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1139 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1140 do_bdinfo(NULL, 0, 0, NULL);
1145 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1148 int image_setup_linux(bootm_headers_t *images)
1150 ulong of_size = images->ft_len;
1151 char **of_flat_tree = &images->ft_addr;
1152 ulong *initrd_start = &images->initrd_start;
1153 ulong *initrd_end = &images->initrd_end;
1154 struct lmb *lmb = &images->lmb;
1158 if (IMAGE_ENABLE_OF_LIBFDT)
1159 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1161 if (IMAGE_BOOT_GET_CMDLINE) {
1162 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1163 &images->cmdline_end);
1165 puts("ERROR with allocation of cmdline\n");
1169 if (IMAGE_ENABLE_RAMDISK_HIGH) {
1170 rd_len = images->rd_end - images->rd_start;
1171 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1172 initrd_start, initrd_end);
1177 if (IMAGE_ENABLE_OF_LIBFDT) {
1178 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1183 if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1184 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1191 #endif /* CONFIG_LMB */
1192 #endif /* !USE_HOSTCC */