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/errno.h> 55 #include <asm/io.h> 56 57 #ifdef CONFIG_CMD_BDI 58 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 59 #endif 60 61 DECLARE_GLOBAL_DATA_PTR; 62 63 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 64 int verify); 65 #else 66 #include "mkimage.h" 67 #include <u-boot/md5.h> 68 #include <time.h> 69 #include <image.h> 70 #endif /* !USE_HOSTCC*/ 71 72 #include <u-boot/crc.h> 73 74 #ifndef CONFIG_SYS_BARGSIZE 75 #define CONFIG_SYS_BARGSIZE 512 76 #endif 77 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", }, 100 { -1, "", "", }, 101 }; 102 103 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", }, 108 #endif 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", }, 117 #endif 118 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 119 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 120 #endif 121 #ifdef USE_HOSTCC 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", }, 133 #endif 134 { -1, "", "", }, 135 }; 136 137 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",}, 154 { -1, "", "", }, 155 }; 156 157 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", }, 163 { -1, "", "", }, 164 }; 165 166 /*****************************************************************************/ 167 /* Legacy format routines */ 168 /*****************************************************************************/ 169 int image_check_hcrc(const image_header_t *hdr) 170 { 171 ulong hcrc; 172 ulong len = image_get_header_size(); 173 image_header_t header; 174 175 /* Copy header so we can blank CRC field for re-calculation */ 176 memmove(&header, (char *)hdr, image_get_header_size()); 177 image_set_hcrc(&header, 0); 178 179 hcrc = crc32(0, (unsigned char *)&header, len); 180 181 return (hcrc == image_get_hcrc(hdr)); 182 } 183 184 int image_check_dcrc(const image_header_t *hdr) 185 { 186 ulong data = image_get_data(hdr); 187 ulong len = image_get_data_size(hdr); 188 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 189 190 return (dcrc == image_get_dcrc(hdr)); 191 } 192 193 /** 194 * image_multi_count - get component (sub-image) count 195 * @hdr: pointer to the header of the multi component image 196 * 197 * image_multi_count() returns number of components in a multi 198 * component image. 199 * 200 * Note: no checking of the image type is done, caller must pass 201 * a valid multi component image. 202 * 203 * returns: 204 * number of components 205 */ 206 ulong image_multi_count(const image_header_t *hdr) 207 { 208 ulong i, count = 0; 209 uint32_t *size; 210 211 /* get start of the image payload, which in case of multi 212 * component images that points to a table of component sizes */ 213 size = (uint32_t *)image_get_data(hdr); 214 215 /* count non empty slots */ 216 for (i = 0; size[i]; ++i) 217 count++; 218 219 return count; 220 } 221 222 /** 223 * image_multi_getimg - get component data address and size 224 * @hdr: pointer to the header of the multi component image 225 * @idx: index of the requested component 226 * @data: pointer to a ulong variable, will hold component data address 227 * @len: pointer to a ulong variable, will hold component size 228 * 229 * image_multi_getimg() returns size and data address for the requested 230 * component in a multi component image. 231 * 232 * Note: no checking of the image type is done, caller must pass 233 * a valid multi component image. 234 * 235 * returns: 236 * data address and size of the component, if idx is valid 237 * 0 in data and len, if idx is out of range 238 */ 239 void image_multi_getimg(const image_header_t *hdr, ulong idx, 240 ulong *data, ulong *len) 241 { 242 int i; 243 uint32_t *size; 244 ulong offset, count, img_data; 245 246 /* get number of component */ 247 count = image_multi_count(hdr); 248 249 /* get start of the image payload, which in case of multi 250 * component images that points to a table of component sizes */ 251 size = (uint32_t *)image_get_data(hdr); 252 253 /* get address of the proper component data start, which means 254 * skipping sizes table (add 1 for last, null entry) */ 255 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 256 257 if (idx < count) { 258 *len = uimage_to_cpu(size[idx]); 259 offset = 0; 260 261 /* go over all indices preceding requested component idx */ 262 for (i = 0; i < idx; i++) { 263 /* add up i-th component size, rounding up to 4 bytes */ 264 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 265 } 266 267 /* calculate idx-th component data address */ 268 *data = img_data + offset; 269 } else { 270 *len = 0; 271 *data = 0; 272 } 273 } 274 275 static void image_print_type(const image_header_t *hdr) 276 { 277 const char *os, *arch, *type, *comp; 278 279 os = genimg_get_os_name(image_get_os(hdr)); 280 arch = genimg_get_arch_name(image_get_arch(hdr)); 281 type = genimg_get_type_name(image_get_type(hdr)); 282 comp = genimg_get_comp_name(image_get_comp(hdr)); 283 284 printf("%s %s %s (%s)\n", arch, os, type, comp); 285 } 286 287 /** 288 * image_print_contents - prints out the contents of the legacy format image 289 * @ptr: pointer to the legacy format image header 290 * @p: pointer to prefix string 291 * 292 * image_print_contents() formats a multi line legacy image contents description. 293 * The routine prints out all header fields followed by the size/offset data 294 * for MULTI/SCRIPT images. 295 * 296 * returns: 297 * no returned results 298 */ 299 void image_print_contents(const void *ptr) 300 { 301 const image_header_t *hdr = (const image_header_t *)ptr; 302 const char *p; 303 304 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)); 309 } 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)); 316 317 if (image_check_type(hdr, IH_TYPE_MULTI) || 318 image_check_type(hdr, IH_TYPE_SCRIPT)) { 319 int i; 320 ulong data, len; 321 ulong count = image_multi_count(hdr); 322 323 printf("%sContents:\n", p); 324 for (i = 0; i < count; i++) { 325 image_multi_getimg(hdr, i, &data, &len); 326 327 printf("%s Image %d: ", p, i); 328 genimg_print_size(len); 329 330 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 331 /* 332 * the user may need to know offsets 333 * if planning to do something with 334 * multiple files 335 */ 336 printf("%s Offset = 0x%08lx\n", p, data); 337 } 338 } 339 } 340 } 341 342 343 #ifndef USE_HOSTCC 344 /** 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 349 * 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 353 * fields checking. 354 * 355 * If dataflash support is enabled routine checks for dataflash addresses 356 * and handles required dataflash reads. 357 * 358 * returns: 359 * pointer to a ramdisk image header, if image was found and valid 360 * otherwise, return NULL 361 */ 362 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 363 int verify) 364 { 365 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 366 367 if (!image_check_magic(rd_hdr)) { 368 puts("Bad Magic Number\n"); 369 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 370 return NULL; 371 } 372 373 if (!image_check_hcrc(rd_hdr)) { 374 puts("Bad Header Checksum\n"); 375 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 376 return NULL; 377 } 378 379 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 380 image_print_contents(rd_hdr); 381 382 if (verify) { 383 puts(" Verifying Checksum ... "); 384 if (!image_check_dcrc(rd_hdr)) { 385 puts("Bad Data CRC\n"); 386 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 387 return NULL; 388 } 389 puts("OK\n"); 390 } 391 392 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 393 394 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); 400 return NULL; 401 } 402 403 return rd_hdr; 404 } 405 #endif /* !USE_HOSTCC */ 406 407 /*****************************************************************************/ 408 /* Shared dual-format routines */ 409 /*****************************************************************************/ 410 #ifndef USE_HOSTCC 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) */ 414 415 static int on_loadaddr(const char *name, const char *value, enum env_op op, 416 int flags) 417 { 418 switch (op) { 419 case env_op_create: 420 case env_op_overwrite: 421 load_addr = simple_strtoul(value, NULL, 16); 422 break; 423 default: 424 break; 425 } 426 427 return 0; 428 } 429 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 430 431 ulong getenv_bootm_low(void) 432 { 433 char *s = getenv("bootm_low"); 434 if (s) { 435 ulong tmp = simple_strtoul(s, NULL, 16); 436 return tmp; 437 } 438 439 #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; 443 #else 444 return 0; 445 #endif 446 } 447 448 phys_size_t getenv_bootm_size(void) 449 { 450 phys_size_t tmp; 451 char *s = getenv("bootm_size"); 452 if (s) { 453 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 454 return tmp; 455 } 456 s = getenv("bootm_low"); 457 if (s) 458 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 459 else 460 tmp = 0; 461 462 463 #if defined(CONFIG_ARM) 464 return gd->bd->bi_dram[0].size - tmp; 465 #else 466 return gd->bd->bi_memsize - tmp; 467 #endif 468 } 469 470 phys_size_t getenv_bootm_mapsize(void) 471 { 472 phys_size_t tmp; 473 char *s = getenv("bootm_mapsize"); 474 if (s) { 475 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 476 return tmp; 477 } 478 479 #if defined(CONFIG_SYS_BOOTMAPSZ) 480 return CONFIG_SYS_BOOTMAPSZ; 481 #else 482 return getenv_bootm_size(); 483 #endif 484 } 485 486 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 487 { 488 if (to == from) 489 return; 490 491 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 492 while (len > 0) { 493 size_t tail = (len > chunksz) ? chunksz : len; 494 WATCHDOG_RESET(); 495 memmove(to, from, tail); 496 to += tail; 497 from += tail; 498 len -= tail; 499 } 500 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 501 memmove(to, from, len); 502 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 503 } 504 #endif /* !USE_HOSTCC */ 505 506 void genimg_print_size(uint32_t size) 507 { 508 #ifndef USE_HOSTCC 509 printf("%d Bytes = ", size); 510 print_size(size, "\n"); 511 #else 512 printf("%d Bytes = %.2f kB = %.2f MB\n", 513 size, (double)size / 1.024e3, 514 (double)size / 1.048576e6); 515 #endif 516 } 517 518 #if IMAGE_ENABLE_TIMESTAMP 519 void genimg_print_time(time_t timestamp) 520 { 521 #ifndef USE_HOSTCC 522 struct rtc_time tm; 523 524 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); 528 #else 529 printf("%s", ctime(×tamp)); 530 #endif 531 } 532 #endif 533 534 /** 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 539 * 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. 543 * 544 * returns: 545 * long entry name if translation succeeds 546 * msg otherwise 547 */ 548 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 549 { 550 for (; table->id >= 0; ++table) { 551 if (table->id == id) 552 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 553 return table->lname; 554 #else 555 return table->lname + gd->reloc_off; 556 #endif 557 } 558 return (msg); 559 } 560 561 const char *genimg_get_os_name(uint8_t os) 562 { 563 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 564 } 565 566 const char *genimg_get_arch_name(uint8_t arch) 567 { 568 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 569 arch)); 570 } 571 572 const char *genimg_get_type_name(uint8_t type) 573 { 574 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 575 } 576 577 const char *genimg_get_comp_name(uint8_t comp) 578 { 579 return (get_table_entry_name(uimage_comp, "Unknown Compression", 580 comp)); 581 } 582 583 /** 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 588 * 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. 592 * 593 * returns: 594 * entry id if translation succeeds 595 * -1 otherwise 596 */ 597 int get_table_entry_id(const table_entry_t *table, 598 const char *table_name, const char *name) 599 { 600 const table_entry_t *t; 601 #ifdef USE_HOSTCC 602 int first = 1; 603 604 for (t = table; t->id >= 0; ++t) { 605 if (t->sname && strcasecmp(t->sname, name) == 0) 606 return(t->id); 607 } 608 609 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 610 for (t = table; t->id >= 0; ++t) { 611 if (t->sname == NULL) 612 continue; 613 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 614 first = 0; 615 } 616 fprintf(stderr, "\n"); 617 #else 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) 621 #else 622 if (t->sname && strcmp(t->sname, name) == 0) 623 #endif 624 return (t->id); 625 } 626 debug("Invalid %s Type: %s\n", table_name, name); 627 #endif /* USE_HOSTCC */ 628 return (-1); 629 } 630 631 int genimg_get_os_id(const char *name) 632 { 633 return (get_table_entry_id(uimage_os, "OS", name)); 634 } 635 636 int genimg_get_arch_id(const char *name) 637 { 638 return (get_table_entry_id(uimage_arch, "CPU", name)); 639 } 640 641 int genimg_get_type_id(const char *name) 642 { 643 return (get_table_entry_id(uimage_type, "Image", name)); 644 } 645 646 int genimg_get_comp_id(const char *name) 647 { 648 return (get_table_entry_id(uimage_comp, "Compression", name)); 649 } 650 651 #ifndef USE_HOSTCC 652 /** 653 * genimg_get_format - get image format type 654 * @img_addr: image start address 655 * 656 * genimg_get_format() checks whether provided address points to a valid 657 * legacy or FIT image. 658 * 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. 662 * 663 * returns: 664 * image format type or IMAGE_FORMAT_INVALID if no image is present 665 */ 666 int genimg_get_format(const void *img_addr) 667 { 668 ulong format = IMAGE_FORMAT_INVALID; 669 const image_header_t *hdr; 670 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 671 char *fit_hdr; 672 #endif 673 674 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) 678 else { 679 fit_hdr = (char *)img_addr; 680 if (fdt_check_header(fit_hdr) == 0) 681 format = IMAGE_FORMAT_FIT; 682 } 683 #endif 684 685 return format; 686 } 687 688 /** 689 * genimg_get_image - get image from special storage (if necessary) 690 * @img_addr: image start address 691 * 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. 694 * 695 * returns: 696 * image start address after possible relocation from special storage 697 */ 698 ulong genimg_get_image(ulong img_addr) 699 { 700 ulong ram_addr = img_addr; 701 702 #ifdef CONFIG_HAS_DATAFLASH 703 ulong h_size, d_size; 704 705 if (addr_dataflash(img_addr)) { 706 void *buf; 707 708 /* ger RAM address */ 709 ram_addr = CONFIG_SYS_LOAD_ADDR; 710 711 /* 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); 716 #endif 717 718 /* read in header */ 719 debug(" Reading image header from dataflash address " 720 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 721 722 buf = map_sysmem(ram_addr, 0); 723 read_dataflash(img_addr, h_size, buf); 724 725 /* get data size */ 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, " 730 "size 0x%08lx\n", 731 ram_addr, d_size); 732 break; 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, " 737 "size 0x%08lx\n", 738 ram_addr, d_size); 739 break; 740 #endif 741 default: 742 printf(" No valid image found at 0x%08lx\n", 743 img_addr); 744 return ram_addr; 745 } 746 747 /* read in image data */ 748 debug(" Reading image remaining data from dataflash address " 749 "%08lx to RAM address %08lx\n", img_addr + h_size, 750 ram_addr + h_size); 751 752 read_dataflash(img_addr + h_size, d_size, 753 (char *)(buf + h_size)); 754 755 } 756 #endif /* CONFIG_HAS_DATAFLASH */ 757 758 return ram_addr; 759 } 760 761 /** 762 * fit_has_config - check if there is a valid FIT configuration 763 * @images: pointer to the bootm command headers structure 764 * 765 * fit_has_config() checks if there is a FIT configuration in use 766 * (if FTI support is present). 767 * 768 * returns: 769 * 0, no FIT support or no configuration found 770 * 1, configuration found 771 */ 772 int genimg_has_config(bootm_headers_t *images) 773 { 774 #if defined(CONFIG_FIT) 775 if (images->fit_uname_cfg) 776 return 1; 777 #endif 778 return 0; 779 } 780 781 /** 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 789 * 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. 794 * 795 * returns: 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 799 * 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 802 */ 803 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 804 uint8_t arch, ulong *rd_start, ulong *rd_end) 805 { 806 ulong rd_addr, rd_load; 807 ulong rd_data, rd_len; 808 const image_header_t *rd_hdr; 809 void *buf; 810 #ifdef CONFIG_SUPPORT_RAW_INITRD 811 char *end; 812 #endif 813 #if defined(CONFIG_FIT) 814 const char *fit_uname_config = NULL; 815 const char *fit_uname_ramdisk = NULL; 816 ulong default_addr; 817 int rd_noffset; 818 #endif 819 820 *rd_start = 0; 821 *rd_end = 0; 822 823 /* 824 * Look for a '-' which indicates to ignore the 825 * ramdisk argument 826 */ 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) 832 if (argc >= 3) { 833 /* 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. 838 */ 839 if (images->fit_uname_os) 840 default_addr = (ulong)images->fit_hdr_os; 841 else 842 default_addr = load_addr; 843 844 if (fit_parse_conf(argv[2], default_addr, 845 &rd_addr, &fit_uname_config)) { 846 debug("* ramdisk: config '%s' from image at " 847 "0x%08lx\n", 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 " 852 "0x%08lx\n", 853 fit_uname_ramdisk, rd_addr); 854 } else 855 #endif 856 { 857 rd_addr = simple_strtoul(argv[2], NULL, 16); 858 debug("* ramdisk: cmdline image address = " 859 "0x%08lx\n", 860 rd_addr); 861 } 862 #if defined(CONFIG_FIT) 863 } else { 864 /* use FIT configuration provided in first bootm 865 * command argument. If the property is not defined, 866 * quit silently. 867 */ 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) 872 return 0; 873 else if (rd_noffset < 0) 874 return 1; 875 } 876 #endif 877 878 /* copy from dataflash if needed */ 879 rd_addr = genimg_get_image(rd_addr); 880 881 /* 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. 885 */ 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); 891 892 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 893 rd_hdr = image_get_ramdisk(rd_addr, arch, 894 images->verify); 895 896 if (rd_hdr == NULL) 897 return 1; 898 899 rd_data = image_get_data(rd_hdr); 900 rd_len = image_get_data_size(rd_hdr); 901 rd_load = image_get_load(rd_hdr); 902 break; 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, 908 IH_TYPE_RAMDISK, 909 BOOTSTAGE_ID_FIT_RD_START, 910 FIT_LOAD_REQUIRED, &rd_data, &rd_len); 911 if (rd_noffset < 0) 912 return 1; 913 914 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 915 images->fit_uname_rd = fit_uname_ramdisk; 916 images->fit_noffset_rd = rd_noffset; 917 break; 918 #endif 919 default: 920 #ifdef CONFIG_SUPPORT_RAW_INITRD 921 if (argc >= 3 && (end = strchr(argv[2], ':'))) { 922 rd_len = simple_strtoul(++end, NULL, 16); 923 rd_data = rd_addr; 924 } else 925 #endif 926 { 927 puts("Wrong Ramdisk Image Format\n"); 928 rd_data = rd_len = rd_load = 0; 929 return 1; 930 } 931 } 932 } else if (images->legacy_hdr_valid && 933 image_check_type(&images->legacy_hdr_os_copy, 934 IH_TYPE_MULTI)) { 935 936 /* 937 * Now check if we have a legacy mult-component image, 938 * get second entry data start address and len. 939 */ 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); 944 945 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 946 } else { 947 /* 948 * no initrd image 949 */ 950 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 951 rd_len = rd_data = 0; 952 } 953 954 if (!rd_data) { 955 debug("## No init Ramdisk\n"); 956 } else { 957 *rd_start = rd_data; 958 *rd_end = rd_data + rd_len; 959 } 960 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 961 *rd_start, *rd_end); 962 963 return 0; 964 } 965 966 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 967 /** 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) 976 * 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. 979 * 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. 983 * 984 * returns: 985 * 0 - success 986 * -1 - failure 987 */ 988 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 989 ulong *initrd_start, ulong *initrd_end) 990 { 991 char *s; 992 ulong initrd_high; 993 int initrd_copy_to_ram = 1; 994 995 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. 998 */ 999 initrd_high = simple_strtoul(s, NULL, 16); 1000 if (initrd_high == ~0) 1001 initrd_copy_to_ram = 0; 1002 } else { 1003 /* not set, no restrictions to load high */ 1004 initrd_high = ~0; 1005 } 1006 1007 1008 #ifdef CONFIG_LOGBUFFER 1009 /* Prevent initrd from overwriting logbuffer */ 1010 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1011 #endif 1012 1013 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1014 initrd_high, initrd_copy_to_ram); 1015 1016 if (rd_data) { 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); 1022 } else { 1023 if (initrd_high) 1024 *initrd_start = (ulong)lmb_alloc_base(lmb, 1025 rd_len, 0x1000, initrd_high); 1026 else 1027 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1028 0x1000); 1029 1030 if (*initrd_start == 0) { 1031 puts("ramdisk - allocation error\n"); 1032 goto error; 1033 } 1034 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1035 1036 *initrd_end = *initrd_start + rd_len; 1037 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1038 *initrd_start, *initrd_end); 1039 1040 memmove_wd((void *)*initrd_start, 1041 (void *)rd_data, rd_len, CHUNKSZ); 1042 1043 #ifdef CONFIG_MP 1044 /* 1045 * Ensure the image is flushed to memory to handle 1046 * AMP boot scenarios in which we might not be 1047 * HW cache coherent 1048 */ 1049 flush_cache((unsigned long)*initrd_start, rd_len); 1050 #endif 1051 puts("OK\n"); 1052 } 1053 } else { 1054 *initrd_start = 0; 1055 *initrd_end = 0; 1056 } 1057 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1058 *initrd_start, *initrd_end); 1059 1060 return 0; 1061 1062 error: 1063 return -1; 1064 } 1065 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1066 1067 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1068 /** 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 1073 * 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 1077 * command line. 1078 * 1079 * returns: 1080 * 0 - success 1081 * -1 - failure 1082 */ 1083 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1084 { 1085 char *cmdline; 1086 char *s; 1087 1088 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1089 getenv_bootm_mapsize() + getenv_bootm_low()); 1090 1091 if (cmdline == NULL) 1092 return -1; 1093 1094 if ((s = getenv("bootargs")) == NULL) 1095 s = ""; 1096 1097 strcpy(cmdline, s); 1098 1099 *cmd_start = (ulong) & cmdline[0]; 1100 *cmd_end = *cmd_start + strlen(cmdline); 1101 1102 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1103 1104 return 0; 1105 } 1106 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1107 1108 #ifdef CONFIG_SYS_BOOT_GET_KBD 1109 /** 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 1113 * 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. 1117 * 1118 * returns: 1119 * 0 - success 1120 * -1 - failure 1121 */ 1122 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1123 { 1124 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1125 getenv_bootm_mapsize() + getenv_bootm_low()); 1126 if (*kbd == NULL) 1127 return -1; 1128 1129 **kbd = *(gd->bd); 1130 1131 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1132 1133 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1134 do_bdinfo(NULL, 0, 0, NULL); 1135 #endif 1136 1137 return 0; 1138 } 1139 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1140 1141 #ifdef CONFIG_LMB 1142 int image_setup_linux(bootm_headers_t *images) 1143 { 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; 1149 ulong rd_len; 1150 int ret; 1151 1152 if (IMAGE_ENABLE_OF_LIBFDT) 1153 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1154 1155 if (IMAGE_BOOT_GET_CMDLINE) { 1156 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1157 &images->cmdline_end); 1158 if (ret) { 1159 puts("ERROR with allocation of cmdline\n"); 1160 return ret; 1161 } 1162 } 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); 1167 if (ret) 1168 return ret; 1169 } 1170 1171 if (IMAGE_ENABLE_OF_LIBFDT) { 1172 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1173 if (ret) 1174 return ret; 1175 } 1176 1177 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1178 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1179 if (ret) 1180 return ret; 1181 } 1182 1183 return 0; 1184 } 1185 #endif /* CONFIG_LMB */ 1186 #endif /* !USE_HOSTCC */ 1187