1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef USE_HOSTCC 27 #include <common.h> 28 #include <watchdog.h> 29 30 #ifdef CONFIG_SHOW_BOOT_PROGRESS 31 #include <status_led.h> 32 #endif 33 34 #ifdef CONFIG_HAS_DATAFLASH 35 #include <dataflash.h> 36 #endif 37 38 #ifdef CONFIG_LOGBUFFER 39 #include <logbuff.h> 40 #endif 41 42 #include <rtc.h> 43 44 #include <environment.h> 45 #include <image.h> 46 47 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 48 #include <libfdt.h> 49 #include <fdt_support.h> 50 #endif 51 52 #include <u-boot/md5.h> 53 #include <sha1.h> 54 #include <asm/io.h> 55 56 #ifdef CONFIG_CMD_BDI 57 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 58 #endif 59 60 DECLARE_GLOBAL_DATA_PTR; 61 62 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 63 int verify); 64 #else 65 #include "mkimage.h" 66 #include <u-boot/md5.h> 67 #include <time.h> 68 #include <image.h> 69 #endif /* !USE_HOSTCC*/ 70 71 #include <u-boot/crc.h> 72 73 #ifndef CONFIG_SYS_BARGSIZE 74 #define CONFIG_SYS_BARGSIZE 512 75 #endif 76 77 static const table_entry_t uimage_arch[] = { 78 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 79 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 80 { IH_ARCH_ARM, "arm", "ARM", }, 81 { IH_ARCH_I386, "x86", "Intel x86", }, 82 { IH_ARCH_IA64, "ia64", "IA64", }, 83 { IH_ARCH_M68K, "m68k", "M68K", }, 84 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 85 { IH_ARCH_MIPS, "mips", "MIPS", }, 86 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 87 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 88 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 89 { IH_ARCH_PPC, "ppc", "PowerPC", }, 90 { IH_ARCH_S390, "s390", "IBM S390", }, 91 { IH_ARCH_SH, "sh", "SuperH", }, 92 { IH_ARCH_SPARC, "sparc", "SPARC", }, 93 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 94 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 95 { IH_ARCH_AVR32, "avr32", "AVR32", }, 96 { IH_ARCH_NDS32, "nds32", "NDS32", }, 97 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, 98 { IH_ARCH_SANDBOX, "sandbox", "Sandbox", }, 99 { -1, "", "", }, 100 }; 101 102 static const table_entry_t uimage_os[] = { 103 { IH_OS_INVALID, NULL, "Invalid OS", }, 104 { IH_OS_LINUX, "linux", "Linux", }, 105 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 106 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 107 #endif 108 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 109 { IH_OS_OSE, "ose", "Enea OSE", }, 110 { IH_OS_PLAN9, "plan9", "Plan 9", }, 111 { IH_OS_RTEMS, "rtems", "RTEMS", }, 112 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 113 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 114 { IH_OS_QNX, "qnx", "QNX", }, 115 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 116 #endif 117 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 118 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 119 #endif 120 #ifdef USE_HOSTCC 121 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 122 { IH_OS_DELL, "dell", "Dell", }, 123 { IH_OS_ESIX, "esix", "Esix", }, 124 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 125 { IH_OS_IRIX, "irix", "Irix", }, 126 { IH_OS_NCR, "ncr", "NCR", }, 127 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 128 { IH_OS_PSOS, "psos", "pSOS", }, 129 { IH_OS_SCO, "sco", "SCO", }, 130 { IH_OS_SOLARIS, "solaris", "Solaris", }, 131 { IH_OS_SVR4, "svr4", "SVR4", }, 132 #endif 133 { -1, "", "", }, 134 }; 135 136 static const table_entry_t uimage_type[] = { 137 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, 138 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 139 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 140 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 141 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 142 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, 143 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 144 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 145 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 146 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 147 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, 148 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, 149 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 150 { IH_TYPE_SCRIPT, "script", "Script", }, 151 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 152 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 153 { -1, "", "", }, 154 }; 155 156 static const table_entry_t uimage_comp[] = { 157 { IH_COMP_NONE, "none", "uncompressed", }, 158 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 159 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 160 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 161 { IH_COMP_LZO, "lzo", "lzo compressed", }, 162 { -1, "", "", }, 163 }; 164 165 /*****************************************************************************/ 166 /* Legacy format routines */ 167 /*****************************************************************************/ 168 int image_check_hcrc(const image_header_t *hdr) 169 { 170 ulong hcrc; 171 ulong len = image_get_header_size(); 172 image_header_t header; 173 174 /* Copy header so we can blank CRC field for re-calculation */ 175 memmove(&header, (char *)hdr, image_get_header_size()); 176 image_set_hcrc(&header, 0); 177 178 hcrc = crc32(0, (unsigned char *)&header, len); 179 180 return (hcrc == image_get_hcrc(hdr)); 181 } 182 183 int image_check_dcrc(const image_header_t *hdr) 184 { 185 ulong data = image_get_data(hdr); 186 ulong len = image_get_data_size(hdr); 187 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 188 189 return (dcrc == image_get_dcrc(hdr)); 190 } 191 192 /** 193 * image_multi_count - get component (sub-image) count 194 * @hdr: pointer to the header of the multi component image 195 * 196 * image_multi_count() returns number of components in a multi 197 * component image. 198 * 199 * Note: no checking of the image type is done, caller must pass 200 * a valid multi component image. 201 * 202 * returns: 203 * number of components 204 */ 205 ulong image_multi_count(const image_header_t *hdr) 206 { 207 ulong i, count = 0; 208 uint32_t *size; 209 210 /* get start of the image payload, which in case of multi 211 * component images that points to a table of component sizes */ 212 size = (uint32_t *)image_get_data(hdr); 213 214 /* count non empty slots */ 215 for (i = 0; size[i]; ++i) 216 count++; 217 218 return count; 219 } 220 221 /** 222 * image_multi_getimg - get component data address and size 223 * @hdr: pointer to the header of the multi component image 224 * @idx: index of the requested component 225 * @data: pointer to a ulong variable, will hold component data address 226 * @len: pointer to a ulong variable, will hold component size 227 * 228 * image_multi_getimg() returns size and data address for the requested 229 * component in a multi component image. 230 * 231 * Note: no checking of the image type is done, caller must pass 232 * a valid multi component image. 233 * 234 * returns: 235 * data address and size of the component, if idx is valid 236 * 0 in data and len, if idx is out of range 237 */ 238 void image_multi_getimg(const image_header_t *hdr, ulong idx, 239 ulong *data, ulong *len) 240 { 241 int i; 242 uint32_t *size; 243 ulong offset, count, img_data; 244 245 /* get number of component */ 246 count = image_multi_count(hdr); 247 248 /* get start of the image payload, which in case of multi 249 * component images that points to a table of component sizes */ 250 size = (uint32_t *)image_get_data(hdr); 251 252 /* get address of the proper component data start, which means 253 * skipping sizes table (add 1 for last, null entry) */ 254 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 255 256 if (idx < count) { 257 *len = uimage_to_cpu(size[idx]); 258 offset = 0; 259 260 /* go over all indices preceding requested component idx */ 261 for (i = 0; i < idx; i++) { 262 /* add up i-th component size, rounding up to 4 bytes */ 263 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 264 } 265 266 /* calculate idx-th component data address */ 267 *data = img_data + offset; 268 } else { 269 *len = 0; 270 *data = 0; 271 } 272 } 273 274 static void image_print_type(const image_header_t *hdr) 275 { 276 const char *os, *arch, *type, *comp; 277 278 os = genimg_get_os_name(image_get_os(hdr)); 279 arch = genimg_get_arch_name(image_get_arch(hdr)); 280 type = genimg_get_type_name(image_get_type(hdr)); 281 comp = genimg_get_comp_name(image_get_comp(hdr)); 282 283 printf("%s %s %s (%s)\n", arch, os, type, comp); 284 } 285 286 /** 287 * image_print_contents - prints out the contents of the legacy format image 288 * @ptr: pointer to the legacy format image header 289 * @p: pointer to prefix string 290 * 291 * image_print_contents() formats a multi line legacy image contents description. 292 * The routine prints out all header fields followed by the size/offset data 293 * for MULTI/SCRIPT images. 294 * 295 * returns: 296 * no returned results 297 */ 298 void image_print_contents(const void *ptr) 299 { 300 const image_header_t *hdr = (const image_header_t *)ptr; 301 const char *p; 302 303 p = IMAGE_INDENT_STRING; 304 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 305 if (IMAGE_ENABLE_TIMESTAMP) { 306 printf("%sCreated: ", p); 307 genimg_print_time((time_t)image_get_time(hdr)); 308 } 309 printf("%sImage Type: ", p); 310 image_print_type(hdr); 311 printf("%sData Size: ", p); 312 genimg_print_size(image_get_data_size(hdr)); 313 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 314 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 315 316 if (image_check_type(hdr, IH_TYPE_MULTI) || 317 image_check_type(hdr, IH_TYPE_SCRIPT)) { 318 int i; 319 ulong data, len; 320 ulong count = image_multi_count(hdr); 321 322 printf("%sContents:\n", p); 323 for (i = 0; i < count; i++) { 324 image_multi_getimg(hdr, i, &data, &len); 325 326 printf("%s Image %d: ", p, i); 327 genimg_print_size(len); 328 329 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 330 /* 331 * the user may need to know offsets 332 * if planning to do something with 333 * multiple files 334 */ 335 printf("%s Offset = 0x%08lx\n", p, data); 336 } 337 } 338 } 339 } 340 341 342 #ifndef USE_HOSTCC 343 /** 344 * image_get_ramdisk - get and verify ramdisk image 345 * @rd_addr: ramdisk image start address 346 * @arch: expected ramdisk architecture 347 * @verify: checksum verification flag 348 * 349 * image_get_ramdisk() returns a pointer to the verified ramdisk image 350 * header. Routine receives image start address and expected architecture 351 * flag. Verification done covers data and header integrity and os/type/arch 352 * fields checking. 353 * 354 * If dataflash support is enabled routine checks for dataflash addresses 355 * and handles required dataflash reads. 356 * 357 * returns: 358 * pointer to a ramdisk image header, if image was found and valid 359 * otherwise, return NULL 360 */ 361 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 362 int verify) 363 { 364 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 365 366 if (!image_check_magic(rd_hdr)) { 367 puts("Bad Magic Number\n"); 368 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 369 return NULL; 370 } 371 372 if (!image_check_hcrc(rd_hdr)) { 373 puts("Bad Header Checksum\n"); 374 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 375 return NULL; 376 } 377 378 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 379 image_print_contents(rd_hdr); 380 381 if (verify) { 382 puts(" Verifying Checksum ... "); 383 if (!image_check_dcrc(rd_hdr)) { 384 puts("Bad Data CRC\n"); 385 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 386 return NULL; 387 } 388 puts("OK\n"); 389 } 390 391 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 392 393 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 394 !image_check_arch(rd_hdr, arch) || 395 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 396 printf("No Linux %s Ramdisk Image\n", 397 genimg_get_arch_name(arch)); 398 bootstage_error(BOOTSTAGE_ID_RAMDISK); 399 return NULL; 400 } 401 402 return rd_hdr; 403 } 404 #endif /* !USE_HOSTCC */ 405 406 /*****************************************************************************/ 407 /* Shared dual-format routines */ 408 /*****************************************************************************/ 409 #ifndef USE_HOSTCC 410 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 411 ulong save_addr; /* Default Save Address */ 412 ulong save_size; /* Default Save Size (in bytes) */ 413 414 static int on_loadaddr(const char *name, const char *value, enum env_op op, 415 int flags) 416 { 417 switch (op) { 418 case env_op_create: 419 case env_op_overwrite: 420 load_addr = simple_strtoul(value, NULL, 16); 421 break; 422 default: 423 break; 424 } 425 426 return 0; 427 } 428 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 429 430 ulong getenv_bootm_low(void) 431 { 432 char *s = getenv("bootm_low"); 433 if (s) { 434 ulong tmp = simple_strtoul(s, NULL, 16); 435 return tmp; 436 } 437 438 #if defined(CONFIG_SYS_SDRAM_BASE) 439 return CONFIG_SYS_SDRAM_BASE; 440 #elif defined(CONFIG_ARM) 441 return gd->bd->bi_dram[0].start; 442 #else 443 return 0; 444 #endif 445 } 446 447 phys_size_t getenv_bootm_size(void) 448 { 449 phys_size_t tmp; 450 char *s = getenv("bootm_size"); 451 if (s) { 452 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 453 return tmp; 454 } 455 s = getenv("bootm_low"); 456 if (s) 457 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 458 else 459 tmp = 0; 460 461 462 #if defined(CONFIG_ARM) 463 return gd->bd->bi_dram[0].size - tmp; 464 #else 465 return gd->bd->bi_memsize - tmp; 466 #endif 467 } 468 469 phys_size_t getenv_bootm_mapsize(void) 470 { 471 phys_size_t tmp; 472 char *s = getenv("bootm_mapsize"); 473 if (s) { 474 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 475 return tmp; 476 } 477 478 #if defined(CONFIG_SYS_BOOTMAPSZ) 479 return CONFIG_SYS_BOOTMAPSZ; 480 #else 481 return getenv_bootm_size(); 482 #endif 483 } 484 485 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 486 { 487 if (to == from) 488 return; 489 490 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 491 while (len > 0) { 492 size_t tail = (len > chunksz) ? chunksz : len; 493 WATCHDOG_RESET(); 494 memmove(to, from, tail); 495 to += tail; 496 from += tail; 497 len -= tail; 498 } 499 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 500 memmove(to, from, len); 501 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 502 } 503 #endif /* !USE_HOSTCC */ 504 505 void genimg_print_size(uint32_t size) 506 { 507 #ifndef USE_HOSTCC 508 printf("%d Bytes = ", size); 509 print_size(size, "\n"); 510 #else 511 printf("%d Bytes = %.2f kB = %.2f MB\n", 512 size, (double)size / 1.024e3, 513 (double)size / 1.048576e6); 514 #endif 515 } 516 517 #if IMAGE_ENABLE_TIMESTAMP 518 void genimg_print_time(time_t timestamp) 519 { 520 #ifndef USE_HOSTCC 521 struct rtc_time tm; 522 523 to_tm(timestamp, &tm); 524 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 525 tm.tm_year, tm.tm_mon, tm.tm_mday, 526 tm.tm_hour, tm.tm_min, tm.tm_sec); 527 #else 528 printf("%s", ctime(×tamp)); 529 #endif 530 } 531 #endif 532 533 /** 534 * get_table_entry_name - translate entry id to long name 535 * @table: pointer to a translation table for entries of a specific type 536 * @msg: message to be returned when translation fails 537 * @id: entry id to be translated 538 * 539 * get_table_entry_name() will go over translation table trying to find 540 * entry that matches given id. If matching entry is found, its long 541 * name is returned to the caller. 542 * 543 * returns: 544 * long entry name if translation succeeds 545 * msg otherwise 546 */ 547 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 548 { 549 for (; table->id >= 0; ++table) { 550 if (table->id == id) 551 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 552 return table->lname; 553 #else 554 return table->lname + gd->reloc_off; 555 #endif 556 } 557 return (msg); 558 } 559 560 const char *genimg_get_os_name(uint8_t os) 561 { 562 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 563 } 564 565 const char *genimg_get_arch_name(uint8_t arch) 566 { 567 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 568 arch)); 569 } 570 571 const char *genimg_get_type_name(uint8_t type) 572 { 573 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 574 } 575 576 const char *genimg_get_comp_name(uint8_t comp) 577 { 578 return (get_table_entry_name(uimage_comp, "Unknown Compression", 579 comp)); 580 } 581 582 /** 583 * get_table_entry_id - translate short entry name to id 584 * @table: pointer to a translation table for entries of a specific type 585 * @table_name: to be used in case of error 586 * @name: entry short name to be translated 587 * 588 * get_table_entry_id() will go over translation table trying to find 589 * entry that matches given short name. If matching entry is found, 590 * its id returned to the caller. 591 * 592 * returns: 593 * entry id if translation succeeds 594 * -1 otherwise 595 */ 596 int get_table_entry_id(const table_entry_t *table, 597 const char *table_name, const char *name) 598 { 599 const table_entry_t *t; 600 #ifdef USE_HOSTCC 601 int first = 1; 602 603 for (t = table; t->id >= 0; ++t) { 604 if (t->sname && strcasecmp(t->sname, name) == 0) 605 return(t->id); 606 } 607 608 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 609 for (t = table; t->id >= 0; ++t) { 610 if (t->sname == NULL) 611 continue; 612 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 613 first = 0; 614 } 615 fprintf(stderr, "\n"); 616 #else 617 for (t = table; t->id >= 0; ++t) { 618 #ifdef CONFIG_NEEDS_MANUAL_RELOC 619 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 620 #else 621 if (t->sname && strcmp(t->sname, name) == 0) 622 #endif 623 return (t->id); 624 } 625 debug("Invalid %s Type: %s\n", table_name, name); 626 #endif /* USE_HOSTCC */ 627 return (-1); 628 } 629 630 int genimg_get_os_id(const char *name) 631 { 632 return (get_table_entry_id(uimage_os, "OS", name)); 633 } 634 635 int genimg_get_arch_id(const char *name) 636 { 637 return (get_table_entry_id(uimage_arch, "CPU", name)); 638 } 639 640 int genimg_get_type_id(const char *name) 641 { 642 return (get_table_entry_id(uimage_type, "Image", name)); 643 } 644 645 int genimg_get_comp_id(const char *name) 646 { 647 return (get_table_entry_id(uimage_comp, "Compression", name)); 648 } 649 650 #ifndef USE_HOSTCC 651 /** 652 * genimg_get_format - get image format type 653 * @img_addr: image start address 654 * 655 * genimg_get_format() checks whether provided address points to a valid 656 * legacy or FIT image. 657 * 658 * New uImage format and FDT blob are based on a libfdt. FDT blob 659 * may be passed directly or embedded in a FIT image. In both situations 660 * genimg_get_format() must be able to dectect libfdt header. 661 * 662 * returns: 663 * image format type or IMAGE_FORMAT_INVALID if no image is present 664 */ 665 int genimg_get_format(const void *img_addr) 666 { 667 ulong format = IMAGE_FORMAT_INVALID; 668 const image_header_t *hdr; 669 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 670 char *fit_hdr; 671 #endif 672 673 hdr = (const image_header_t *)img_addr; 674 if (image_check_magic(hdr)) 675 format = IMAGE_FORMAT_LEGACY; 676 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 677 else { 678 fit_hdr = (char *)img_addr; 679 if (fdt_check_header(fit_hdr) == 0) 680 format = IMAGE_FORMAT_FIT; 681 } 682 #endif 683 684 return format; 685 } 686 687 /** 688 * genimg_get_image - get image from special storage (if necessary) 689 * @img_addr: image start address 690 * 691 * genimg_get_image() checks if provided image start adddress is located 692 * in a dataflash storage. If so, image is moved to a system RAM memory. 693 * 694 * returns: 695 * image start address after possible relocation from special storage 696 */ 697 ulong genimg_get_image(ulong img_addr) 698 { 699 ulong ram_addr = img_addr; 700 701 #ifdef CONFIG_HAS_DATAFLASH 702 ulong h_size, d_size; 703 704 if (addr_dataflash(img_addr)) { 705 void *buf; 706 707 /* ger RAM address */ 708 ram_addr = CONFIG_SYS_LOAD_ADDR; 709 710 /* get header size */ 711 h_size = image_get_header_size(); 712 #if defined(CONFIG_FIT) 713 if (sizeof(struct fdt_header) > h_size) 714 h_size = sizeof(struct fdt_header); 715 #endif 716 717 /* read in header */ 718 debug(" Reading image header from dataflash address " 719 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 720 721 buf = map_sysmem(ram_addr, 0); 722 read_dataflash(img_addr, h_size, buf); 723 724 /* get data size */ 725 switch (genimg_get_format(buf)) { 726 case IMAGE_FORMAT_LEGACY: 727 d_size = image_get_data_size(buf); 728 debug(" Legacy format image found at 0x%08lx, " 729 "size 0x%08lx\n", 730 ram_addr, d_size); 731 break; 732 #if defined(CONFIG_FIT) 733 case IMAGE_FORMAT_FIT: 734 d_size = fit_get_size(buf) - h_size; 735 debug(" FIT/FDT format image found at 0x%08lx, " 736 "size 0x%08lx\n", 737 ram_addr, d_size); 738 break; 739 #endif 740 default: 741 printf(" No valid image found at 0x%08lx\n", 742 img_addr); 743 return ram_addr; 744 } 745 746 /* read in image data */ 747 debug(" Reading image remaining data from dataflash address " 748 "%08lx to RAM address %08lx\n", img_addr + h_size, 749 ram_addr + h_size); 750 751 read_dataflash(img_addr + h_size, d_size, 752 (char *)(buf + h_size)); 753 754 } 755 #endif /* CONFIG_HAS_DATAFLASH */ 756 757 return ram_addr; 758 } 759 760 /** 761 * fit_has_config - check if there is a valid FIT configuration 762 * @images: pointer to the bootm command headers structure 763 * 764 * fit_has_config() checks if there is a FIT configuration in use 765 * (if FTI support is present). 766 * 767 * returns: 768 * 0, no FIT support or no configuration found 769 * 1, configuration found 770 */ 771 int genimg_has_config(bootm_headers_t *images) 772 { 773 #if defined(CONFIG_FIT) 774 if (images->fit_uname_cfg) 775 return 1; 776 #endif 777 return 0; 778 } 779 780 /** 781 * boot_get_ramdisk - main ramdisk handling routine 782 * @argc: command argument count 783 * @argv: command argument list 784 * @images: pointer to the bootm images structure 785 * @arch: expected ramdisk architecture 786 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 787 * @rd_end: pointer to a ulong variable, will hold ramdisk end 788 * 789 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 790 * Curently supported are the following ramdisk sources: 791 * - multicomponent kernel/ramdisk image, 792 * - commandline provided address of decicated ramdisk image. 793 * 794 * returns: 795 * 0, if ramdisk image was found and valid, or skiped 796 * rd_start and rd_end are set to ramdisk start/end addresses if 797 * ramdisk image is found and valid 798 * 799 * 1, if ramdisk image is found but corrupted, or invalid 800 * rd_start and rd_end are set to 0 if no ramdisk exists 801 */ 802 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 803 uint8_t arch, ulong *rd_start, ulong *rd_end) 804 { 805 ulong rd_addr, rd_load; 806 ulong rd_data, rd_len; 807 const image_header_t *rd_hdr; 808 void *buf; 809 #ifdef CONFIG_SUPPORT_RAW_INITRD 810 char *end; 811 #endif 812 #if defined(CONFIG_FIT) 813 void *fit_hdr; 814 const char *fit_uname_config = NULL; 815 const char *fit_uname_ramdisk = NULL; 816 ulong default_addr; 817 int rd_noffset; 818 int cfg_noffset; 819 const void *data; 820 size_t size; 821 #endif 822 823 *rd_start = 0; 824 *rd_end = 0; 825 826 /* 827 * Look for a '-' which indicates to ignore the 828 * ramdisk argument 829 */ 830 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 831 debug("## Skipping init Ramdisk\n"); 832 rd_len = rd_data = 0; 833 } else if (argc >= 3 || genimg_has_config(images)) { 834 #if defined(CONFIG_FIT) 835 if (argc >= 3) { 836 /* 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. 841 */ 842 if (images->fit_uname_os) 843 default_addr = (ulong)images->fit_hdr_os; 844 else 845 default_addr = load_addr; 846 847 if (fit_parse_conf(argv[2], default_addr, 848 &rd_addr, &fit_uname_config)) { 849 debug("* ramdisk: config '%s' from image at " 850 "0x%08lx\n", 851 fit_uname_config, rd_addr); 852 } else if (fit_parse_subimage(argv[2], default_addr, 853 &rd_addr, &fit_uname_ramdisk)) { 854 debug("* ramdisk: subimage '%s' from image at " 855 "0x%08lx\n", 856 fit_uname_ramdisk, rd_addr); 857 } else 858 #endif 859 { 860 rd_addr = simple_strtoul(argv[2], NULL, 16); 861 debug("* ramdisk: cmdline image address = " 862 "0x%08lx\n", 863 rd_addr); 864 } 865 #if defined(CONFIG_FIT) 866 } else { 867 /* use FIT configuration provided in first bootm 868 * command argument 869 */ 870 rd_addr = map_to_sysmem(images->fit_hdr_os); 871 fit_uname_config = images->fit_uname_cfg; 872 debug("* ramdisk: using config '%s' from image " 873 "at 0x%08lx\n", 874 fit_uname_config, rd_addr); 875 876 /* 877 * Check whether configuration has ramdisk defined, 878 * if not, don't try to use it, quit silently. 879 */ 880 fit_hdr = images->fit_hdr_os; 881 cfg_noffset = fit_conf_get_node(fit_hdr, 882 fit_uname_config); 883 if (cfg_noffset < 0) { 884 debug("* ramdisk: no such config\n"); 885 return 1; 886 } 887 888 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 889 cfg_noffset); 890 if (rd_noffset < 0) { 891 debug("* ramdisk: no ramdisk in config\n"); 892 return 0; 893 } 894 } 895 #endif 896 897 /* copy from dataflash if needed */ 898 rd_addr = genimg_get_image(rd_addr); 899 900 /* 901 * Check if there is an initrd image at the 902 * address provided in the second bootm argument 903 * check image type, for FIT images get FIT node. 904 */ 905 buf = map_sysmem(rd_addr, 0); 906 switch (genimg_get_format(buf)) { 907 case IMAGE_FORMAT_LEGACY: 908 printf("## Loading init Ramdisk from Legacy " 909 "Image at %08lx ...\n", rd_addr); 910 911 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 912 rd_hdr = image_get_ramdisk(rd_addr, arch, 913 images->verify); 914 915 if (rd_hdr == NULL) 916 return 1; 917 918 rd_data = image_get_data(rd_hdr); 919 rd_len = image_get_data_size(rd_hdr); 920 rd_load = image_get_load(rd_hdr); 921 break; 922 #if defined(CONFIG_FIT) 923 case IMAGE_FORMAT_FIT: 924 fit_hdr = buf; 925 printf("## Loading init Ramdisk from FIT " 926 "Image at %08lx ...\n", rd_addr); 927 928 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT); 929 if (!fit_check_format(fit_hdr)) { 930 puts("Bad FIT ramdisk image format!\n"); 931 bootstage_error( 932 BOOTSTAGE_ID_FIT_RD_FORMAT); 933 return 1; 934 } 935 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT_OK); 936 937 if (!fit_uname_ramdisk) { 938 /* 939 * no ramdisk image node unit name, try to get config 940 * node first. If config unit node name is NULL 941 * fit_conf_get_node() will try to find default config node 942 */ 943 bootstage_mark( 944 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); 945 cfg_noffset = fit_conf_get_node(fit_hdr, 946 fit_uname_config); 947 if (cfg_noffset < 0) { 948 puts("Could not find configuration " 949 "node\n"); 950 bootstage_error( 951 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); 952 return 1; 953 } 954 fit_uname_config = fdt_get_name(fit_hdr, 955 cfg_noffset, NULL); 956 printf(" Using '%s' configuration\n", 957 fit_uname_config); 958 959 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 960 cfg_noffset); 961 fit_uname_ramdisk = fit_get_name(fit_hdr, 962 rd_noffset, NULL); 963 } else { 964 /* get ramdisk component image node offset */ 965 bootstage_mark( 966 BOOTSTAGE_ID_FIT_RD_UNIT_NAME); 967 rd_noffset = fit_image_get_node(fit_hdr, 968 fit_uname_ramdisk); 969 } 970 if (rd_noffset < 0) { 971 puts("Could not find subimage node\n"); 972 bootstage_error(BOOTSTAGE_ID_FIT_RD_SUBNODE); 973 return 1; 974 } 975 976 printf(" Trying '%s' ramdisk subimage\n", 977 fit_uname_ramdisk); 978 979 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK); 980 if (!fit_check_ramdisk(fit_hdr, rd_noffset, arch, 981 images->verify)) 982 return 1; 983 984 /* get ramdisk image data address and length */ 985 if (fit_image_get_data(fit_hdr, rd_noffset, &data, 986 &size)) { 987 puts("Could not find ramdisk subimage data!\n"); 988 bootstage_error(BOOTSTAGE_ID_FIT_RD_GET_DATA); 989 return 1; 990 } 991 bootstage_mark(BOOTSTAGE_ID_FIT_RD_GET_DATA_OK); 992 993 rd_data = (ulong)data; 994 rd_len = size; 995 996 if (fit_image_get_load(fit_hdr, rd_noffset, &rd_load)) { 997 puts("Can't get ramdisk subimage load " 998 "address!\n"); 999 bootstage_error(BOOTSTAGE_ID_FIT_RD_LOAD); 1000 return 1; 1001 } 1002 bootstage_mark(BOOTSTAGE_ID_FIT_RD_LOAD); 1003 1004 images->fit_hdr_rd = fit_hdr; 1005 images->fit_uname_rd = fit_uname_ramdisk; 1006 images->fit_noffset_rd = rd_noffset; 1007 break; 1008 #endif 1009 default: 1010 #ifdef CONFIG_SUPPORT_RAW_INITRD 1011 if (argc >= 3 && (end = strchr(argv[2], ':'))) { 1012 rd_len = simple_strtoul(++end, NULL, 16); 1013 rd_data = rd_addr; 1014 } else 1015 #endif 1016 { 1017 puts("Wrong Ramdisk Image Format\n"); 1018 rd_data = rd_len = rd_load = 0; 1019 return 1; 1020 } 1021 } 1022 } else if (images->legacy_hdr_valid && 1023 image_check_type(&images->legacy_hdr_os_copy, 1024 IH_TYPE_MULTI)) { 1025 1026 /* 1027 * Now check if we have a legacy mult-component image, 1028 * get second entry data start address and len. 1029 */ 1030 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 1031 printf("## Loading init Ramdisk from multi component " 1032 "Legacy Image at %08lx ...\n", 1033 (ulong)images->legacy_hdr_os); 1034 1035 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1036 } else { 1037 /* 1038 * no initrd image 1039 */ 1040 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 1041 rd_len = rd_data = 0; 1042 } 1043 1044 if (!rd_data) { 1045 debug("## No init Ramdisk\n"); 1046 } else { 1047 *rd_start = rd_data; 1048 *rd_end = rd_data + rd_len; 1049 } 1050 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1051 *rd_start, *rd_end); 1052 1053 return 0; 1054 } 1055 1056 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1057 /** 1058 * boot_ramdisk_high - relocate init ramdisk 1059 * @lmb: pointer to lmb handle, will be used for memory mgmt 1060 * @rd_data: ramdisk data start address 1061 * @rd_len: ramdisk data length 1062 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1063 * start address (after possible relocation) 1064 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1065 * end address (after possible relocation) 1066 * 1067 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1068 * variable and if requested ramdisk data is moved to a specified location. 1069 * 1070 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1071 * start/end addresses if ramdisk image start and len were provided, 1072 * otherwise set initrd_start and initrd_end set to zeros. 1073 * 1074 * returns: 1075 * 0 - success 1076 * -1 - failure 1077 */ 1078 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1079 ulong *initrd_start, ulong *initrd_end) 1080 { 1081 char *s; 1082 ulong initrd_high; 1083 int initrd_copy_to_ram = 1; 1084 1085 if ((s = getenv("initrd_high")) != NULL) { 1086 /* a value of "no" or a similar string will act like 0, 1087 * turning the "load high" feature off. This is intentional. 1088 */ 1089 initrd_high = simple_strtoul(s, NULL, 16); 1090 if (initrd_high == ~0) 1091 initrd_copy_to_ram = 0; 1092 } else { 1093 /* not set, no restrictions to load high */ 1094 initrd_high = ~0; 1095 } 1096 1097 1098 #ifdef CONFIG_LOGBUFFER 1099 /* Prevent initrd from overwriting logbuffer */ 1100 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1101 #endif 1102 1103 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1104 initrd_high, initrd_copy_to_ram); 1105 1106 if (rd_data) { 1107 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1108 debug(" in-place initrd\n"); 1109 *initrd_start = rd_data; 1110 *initrd_end = rd_data + rd_len; 1111 lmb_reserve(lmb, rd_data, rd_len); 1112 } else { 1113 if (initrd_high) 1114 *initrd_start = (ulong)lmb_alloc_base(lmb, 1115 rd_len, 0x1000, initrd_high); 1116 else 1117 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1118 0x1000); 1119 1120 if (*initrd_start == 0) { 1121 puts("ramdisk - allocation error\n"); 1122 goto error; 1123 } 1124 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1125 1126 *initrd_end = *initrd_start + rd_len; 1127 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1128 *initrd_start, *initrd_end); 1129 1130 memmove_wd((void *)*initrd_start, 1131 (void *)rd_data, rd_len, CHUNKSZ); 1132 1133 #ifdef CONFIG_MP 1134 /* 1135 * Ensure the image is flushed to memory to handle 1136 * AMP boot scenarios in which we might not be 1137 * HW cache coherent 1138 */ 1139 flush_cache((unsigned long)*initrd_start, rd_len); 1140 #endif 1141 puts("OK\n"); 1142 } 1143 } else { 1144 *initrd_start = 0; 1145 *initrd_end = 0; 1146 } 1147 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1148 *initrd_start, *initrd_end); 1149 1150 return 0; 1151 1152 error: 1153 return -1; 1154 } 1155 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1156 1157 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1158 /** 1159 * boot_get_cmdline - allocate and initialize kernel cmdline 1160 * @lmb: pointer to lmb handle, will be used for memory mgmt 1161 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1162 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1163 * 1164 * boot_get_cmdline() allocates space for kernel command line below 1165 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1166 * variable is present its contents is copied to allocated kernel 1167 * command line. 1168 * 1169 * returns: 1170 * 0 - success 1171 * -1 - failure 1172 */ 1173 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1174 { 1175 char *cmdline; 1176 char *s; 1177 1178 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1179 getenv_bootm_mapsize() + getenv_bootm_low()); 1180 1181 if (cmdline == NULL) 1182 return -1; 1183 1184 if ((s = getenv("bootargs")) == NULL) 1185 s = ""; 1186 1187 strcpy(cmdline, s); 1188 1189 *cmd_start = (ulong) & cmdline[0]; 1190 *cmd_end = *cmd_start + strlen(cmdline); 1191 1192 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1193 1194 return 0; 1195 } 1196 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1197 1198 #ifdef CONFIG_SYS_BOOT_GET_KBD 1199 /** 1200 * boot_get_kbd - allocate and initialize kernel copy of board info 1201 * @lmb: pointer to lmb handle, will be used for memory mgmt 1202 * @kbd: double pointer to board info data 1203 * 1204 * boot_get_kbd() allocates space for kernel copy of board info data below 1205 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1206 * with the current u-boot board info data. 1207 * 1208 * returns: 1209 * 0 - success 1210 * -1 - failure 1211 */ 1212 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1213 { 1214 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1215 getenv_bootm_mapsize() + getenv_bootm_low()); 1216 if (*kbd == NULL) 1217 return -1; 1218 1219 **kbd = *(gd->bd); 1220 1221 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1222 1223 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1224 do_bdinfo(NULL, 0, 0, NULL); 1225 #endif 1226 1227 return 0; 1228 } 1229 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1230 1231 #ifdef CONFIG_LMB 1232 int image_setup_linux(bootm_headers_t *images) 1233 { 1234 ulong of_size = images->ft_len; 1235 char **of_flat_tree = &images->ft_addr; 1236 ulong *initrd_start = &images->initrd_start; 1237 ulong *initrd_end = &images->initrd_end; 1238 struct lmb *lmb = &images->lmb; 1239 ulong rd_len; 1240 int ret; 1241 1242 if (IMAGE_ENABLE_OF_LIBFDT) 1243 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1244 1245 if (IMAGE_BOOT_GET_CMDLINE) { 1246 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1247 &images->cmdline_end); 1248 if (ret) { 1249 puts("ERROR with allocation of cmdline\n"); 1250 return ret; 1251 } 1252 } 1253 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1254 rd_len = images->rd_end - images->rd_start; 1255 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1256 initrd_start, initrd_end); 1257 if (ret) 1258 return ret; 1259 } 1260 1261 if (IMAGE_ENABLE_OF_LIBFDT) { 1262 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1263 if (ret) 1264 return ret; 1265 } 1266 1267 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1268 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1269 if (ret) 1270 return ret; 1271 } 1272 1273 return 0; 1274 } 1275 #endif /* CONFIG_LMB */ 1276 #endif /* !USE_HOSTCC */ 1277