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 #define DEBUG 27 28 #ifndef USE_HOSTCC 29 #include <common.h> 30 #include <watchdog.h> 31 32 #ifdef CONFIG_SHOW_BOOT_PROGRESS 33 #include <status_led.h> 34 #endif 35 36 #ifdef CONFIG_HAS_DATAFLASH 37 #include <dataflash.h> 38 #endif 39 40 #ifdef CONFIG_LOGBUFFER 41 #include <logbuff.h> 42 #endif 43 44 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 45 #include <rtc.h> 46 #endif 47 48 #if defined(CONFIG_FIT) 49 #include <fdt.h> 50 #include <libfdt.h> 51 #include <fdt_support.h> 52 #endif 53 54 #ifdef CONFIG_CMD_BDI 55 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 56 #endif 57 58 DECLARE_GLOBAL_DATA_PTR; 59 60 static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, 61 int argc, char *argv[], 62 ulong rd_addr, uint8_t arch, int verify); 63 #else 64 #include "mkimage.h" 65 #endif /* !USE_HOSTCC*/ 66 67 #include <image.h> 68 69 typedef struct table_entry { 70 int id; /* as defined in image.h */ 71 char *sname; /* short (input) name */ 72 char *lname; /* long (output) name */ 73 } table_entry_t; 74 75 static table_entry_t uimage_arch[] = { 76 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 77 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 78 { IH_ARCH_ARM, "arm", "ARM", }, 79 { IH_ARCH_I386, "x86", "Intel x86", }, 80 { IH_ARCH_IA64, "ia64", "IA64", }, 81 { IH_ARCH_M68K, "m68k", "M68K", }, 82 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 83 { IH_ARCH_MIPS, "mips", "MIPS", }, 84 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 85 { IH_ARCH_NIOS, "nios", "NIOS", }, 86 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 87 { IH_ARCH_PPC, "ppc", "PowerPC", }, 88 { IH_ARCH_S390, "s390", "IBM S390", }, 89 { IH_ARCH_SH, "sh", "SuperH", }, 90 { IH_ARCH_SPARC, "sparc", "SPARC", }, 91 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 92 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 93 { IH_ARCH_AVR32, "avr32", "AVR32", }, 94 { -1, "", "", }, 95 }; 96 97 static table_entry_t uimage_os[] = { 98 { IH_OS_INVALID, NULL, "Invalid OS", }, 99 #if defined(CONFIG_ARTOS) || defined(USE_HOSTCC) 100 { IH_OS_ARTOS, "artos", "ARTOS", }, 101 #endif 102 { IH_OS_LINUX, "linux", "Linux", }, 103 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 104 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 105 #endif 106 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 107 { IH_OS_RTEMS, "rtems", "RTEMS", }, 108 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 109 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 110 { IH_OS_QNX, "qnx", "QNX", }, 111 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 112 #endif 113 #ifdef USE_HOSTCC 114 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 115 { IH_OS_DELL, "dell", "Dell", }, 116 { IH_OS_ESIX, "esix", "Esix", }, 117 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 118 { IH_OS_IRIX, "irix", "Irix", }, 119 { IH_OS_NCR, "ncr", "NCR", }, 120 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 121 { IH_OS_PSOS, "psos", "pSOS", }, 122 { IH_OS_SCO, "sco", "SCO", }, 123 { IH_OS_SOLARIS, "solaris", "Solaris", }, 124 { IH_OS_SVR4, "svr4", "SVR4", }, 125 #endif 126 { -1, "", "", }, 127 }; 128 129 static table_entry_t uimage_type[] = { 130 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 131 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 132 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 133 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 134 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 135 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 136 { IH_TYPE_SCRIPT, "script", "Script", }, 137 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 138 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 139 { -1, "", "", }, 140 }; 141 142 static table_entry_t uimage_comp[] = { 143 { IH_COMP_NONE, "none", "uncompressed", }, 144 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 145 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 146 { -1, "", "", }, 147 }; 148 149 unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); 150 static void genimg_print_size (uint32_t size); 151 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 152 static void genimg_print_time (time_t timestamp); 153 #endif 154 155 /*****************************************************************************/ 156 /* Legacy format routines */ 157 /*****************************************************************************/ 158 int image_check_hcrc (image_header_t *hdr) 159 { 160 ulong hcrc; 161 ulong len = image_get_header_size (); 162 image_header_t header; 163 164 /* Copy header so we can blank CRC field for re-calculation */ 165 memmove (&header, (char *)hdr, image_get_header_size ()); 166 image_set_hcrc (&header, 0); 167 168 hcrc = crc32 (0, (unsigned char *)&header, len); 169 170 return (hcrc == image_get_hcrc (hdr)); 171 } 172 173 int image_check_dcrc (image_header_t *hdr) 174 { 175 ulong data = image_get_data (hdr); 176 ulong len = image_get_data_size (hdr); 177 ulong dcrc = crc32 (0, (unsigned char *)data, len); 178 179 return (dcrc == image_get_dcrc (hdr)); 180 } 181 182 #ifndef USE_HOSTCC 183 int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz) 184 { 185 ulong dcrc = 0; 186 ulong len = image_get_data_size (hdr); 187 ulong data = image_get_data (hdr); 188 189 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 190 ulong cdata = data; 191 ulong edata = cdata + len; 192 193 while (cdata < edata) { 194 ulong chunk = edata - cdata; 195 196 if (chunk > chunksz) 197 chunk = chunksz; 198 dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk); 199 cdata += chunk; 200 201 WATCHDOG_RESET (); 202 } 203 #else 204 dcrc = crc32 (0, (unsigned char *)data, len); 205 #endif 206 207 return (dcrc == image_get_dcrc (hdr)); 208 } 209 #endif /* !USE_HOSTCC */ 210 211 /** 212 * image_multi_count - get component (sub-image) count 213 * @hdr: pointer to the header of the multi component image 214 * 215 * image_multi_count() returns number of components in a multi 216 * component image. 217 * 218 * Note: no checking of the image type is done, caller must pass 219 * a valid multi component image. 220 * 221 * returns: 222 * number of components 223 */ 224 ulong image_multi_count (image_header_t *hdr) 225 { 226 ulong i, count = 0; 227 ulong *size; 228 229 /* get start of the image payload, which in case of multi 230 * component images that points to a table of component sizes */ 231 size = (ulong *)image_get_data (hdr); 232 233 /* count non empty slots */ 234 for (i = 0; size[i]; ++i) 235 count++; 236 237 return count; 238 } 239 240 /** 241 * image_multi_getimg - get component data address and size 242 * @hdr: pointer to the header of the multi component image 243 * @idx: index of the requested component 244 * @data: pointer to a ulong variable, will hold component data address 245 * @len: pointer to a ulong variable, will hold component size 246 * 247 * image_multi_getimg() returns size and data address for the requested 248 * component in a multi component image. 249 * 250 * Note: no checking of the image type is done, caller must pass 251 * a valid multi component image. 252 * 253 * returns: 254 * data address and size of the component, if idx is valid 255 * 0 in data and len, if idx is out of range 256 */ 257 void image_multi_getimg (image_header_t *hdr, ulong idx, 258 ulong *data, ulong *len) 259 { 260 int i; 261 ulong *size; 262 ulong offset, tail, count, img_data; 263 264 /* get number of component */ 265 count = image_multi_count (hdr); 266 267 /* get start of the image payload, which in case of multi 268 * component images that points to a table of component sizes */ 269 size = (ulong *)image_get_data (hdr); 270 271 /* get address of the proper component data start, which means 272 * skipping sizes table (add 1 for last, null entry) */ 273 img_data = image_get_data (hdr) + (count + 1) * sizeof (ulong); 274 275 if (idx < count) { 276 *len = size[idx]; 277 offset = 0; 278 tail = 0; 279 280 /* go over all indices preceding requested component idx */ 281 for (i = 0; i < idx; i++) { 282 /* add up i-th component size */ 283 offset += size[i]; 284 285 /* add up alignment for i-th component */ 286 tail += (4 - size[i] % 4); 287 } 288 289 /* calculate idx-th component data address */ 290 *data = img_data + offset + tail; 291 } else { 292 *len = 0; 293 *data = 0; 294 } 295 } 296 297 static void image_print_type (image_header_t *hdr) 298 { 299 const char *os, *arch, *type, *comp; 300 301 os = genimg_get_os_name (image_get_os (hdr)); 302 arch = genimg_get_arch_name (image_get_arch (hdr)); 303 type = genimg_get_type_name (image_get_type (hdr)); 304 comp = genimg_get_comp_name (image_get_comp (hdr)); 305 306 printf ("%s %s %s (%s)\n", arch, os, type, comp); 307 } 308 309 static void __image_print_contents (image_header_t *hdr, const char *p) 310 { 311 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 312 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 313 printf ("%sCreated: ", p); 314 genimg_print_time ((time_t)image_get_time (hdr)); 315 #endif 316 printf ("%sImage Type: ", p); 317 image_print_type (hdr); 318 printf ("%sData Size: ", p); 319 genimg_print_size (image_get_data_size (hdr)); 320 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 321 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 322 323 if (image_check_type (hdr, IH_TYPE_MULTI) || 324 image_check_type (hdr, IH_TYPE_SCRIPT)) { 325 int i; 326 ulong data, len; 327 ulong count = image_multi_count (hdr); 328 329 printf ("%sContents:\n", p); 330 for (i = 0; i < count; i++) { 331 image_multi_getimg (hdr, i, &data, &len); 332 333 printf ("%s Image %d: ", p, i); 334 genimg_print_size (len); 335 336 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 337 /* 338 * the user may need to know offsets 339 * if planning to do something with 340 * multiple files 341 */ 342 printf ("%s Offset = 0x%08lx\n", p, data); 343 } 344 } 345 } 346 } 347 348 inline void image_print_contents (image_header_t *hdr) 349 { 350 __image_print_contents (hdr, " "); 351 } 352 353 inline void image_print_contents_noindent (image_header_t *hdr) 354 { 355 __image_print_contents (hdr, ""); 356 } 357 358 #ifndef USE_HOSTCC 359 /** 360 * image_get_ramdisk - get and verify ramdisk image 361 * @cmdtp: command table pointer 362 * @flag: command flag 363 * @argc: command argument count 364 * @argv: command argument list 365 * @rd_addr: ramdisk image start address 366 * @arch: expected ramdisk architecture 367 * @verify: checksum verification flag 368 * 369 * image_get_ramdisk() returns a pointer to the verified ramdisk image 370 * header. Routine receives image start address and expected architecture 371 * flag. Verification done covers data and header integrity and os/type/arch 372 * fields checking. 373 * 374 * If dataflash support is enabled routine checks for dataflash addresses 375 * and handles required dataflash reads. 376 * 377 * returns: 378 * pointer to a ramdisk image header, if image was found and valid 379 * otherwise, return NULL 380 */ 381 static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, 382 int argc, char *argv[], 383 ulong rd_addr, uint8_t arch, int verify) 384 { 385 image_header_t *rd_hdr; 386 387 show_boot_progress (9); 388 rd_hdr = (image_header_t *)rd_addr; 389 390 if (!image_check_magic (rd_hdr)) { 391 puts ("Bad Magic Number\n"); 392 show_boot_progress (-10); 393 return NULL; 394 } 395 396 if (!image_check_hcrc (rd_hdr)) { 397 puts ("Bad Header Checksum\n"); 398 show_boot_progress (-11); 399 return NULL; 400 } 401 402 show_boot_progress (10); 403 image_print_contents (rd_hdr); 404 405 if (verify) { 406 puts(" Verifying Checksum ... "); 407 if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { 408 puts ("Bad Data CRC\n"); 409 show_boot_progress (-12); 410 return NULL; 411 } 412 puts("OK\n"); 413 } 414 415 show_boot_progress (11); 416 417 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 418 !image_check_arch (rd_hdr, arch) || 419 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 420 printf ("No Linux %s Ramdisk Image\n", 421 genimg_get_arch_name(arch)); 422 show_boot_progress (-13); 423 return NULL; 424 } 425 426 return rd_hdr; 427 } 428 #endif /* !USE_HOSTCC */ 429 430 /*****************************************************************************/ 431 /* Shared dual-format routines */ 432 /*****************************************************************************/ 433 #ifndef USE_HOSTCC 434 int getenv_verify (void) 435 { 436 char *s = getenv ("verify"); 437 return (s && (*s == 'n')) ? 0 : 1; 438 } 439 440 int getenv_autostart (void) 441 { 442 char *s = getenv ("autostart"); 443 return (s && (*s == 'n')) ? 0 : 1; 444 } 445 446 ulong getenv_bootm_low(void) 447 { 448 char *s = getenv ("bootm_low"); 449 if (s) { 450 ulong tmp = simple_strtoul (s, NULL, 16); 451 return tmp; 452 } 453 454 #ifdef CFG_SDRAM_BASE 455 return CFG_SDRAM_BASE; 456 #else 457 return 0; 458 #endif 459 } 460 461 ulong getenv_bootm_size(void) 462 { 463 char *s = getenv ("bootm_size"); 464 if (s) { 465 ulong tmp = simple_strtoul (s, NULL, 16); 466 return tmp; 467 } 468 469 return gd->bd->bi_memsize; 470 } 471 472 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 473 { 474 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 475 while (len > 0) { 476 size_t tail = (len > chunksz) ? chunksz : len; 477 WATCHDOG_RESET (); 478 memmove (to, from, tail); 479 to += tail; 480 from += tail; 481 len -= tail; 482 } 483 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 484 memmove (to, from, len); 485 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 486 } 487 #endif /* !USE_HOSTCC */ 488 489 static void genimg_print_size (uint32_t size) 490 { 491 #ifndef USE_HOSTCC 492 printf ("%d Bytes = ", size); 493 print_size (size, "\n"); 494 #else 495 printf ("%d Bytes = %.2f kB = %.2f MB\n", 496 size, (double)size / 1.024e3, 497 (double)size / 1.048576e6); 498 #endif 499 } 500 501 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 502 static void genimg_print_time (time_t timestamp) 503 { 504 #ifndef USE_HOSTCC 505 struct rtc_time tm; 506 507 to_tm (timestamp, &tm); 508 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 509 tm.tm_year, tm.tm_mon, tm.tm_mday, 510 tm.tm_hour, tm.tm_min, tm.tm_sec); 511 #else 512 printf ("%s", ctime(×tamp)); 513 #endif 514 } 515 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 516 517 /** 518 * get_table_entry_name - translate entry id to long name 519 * @table: pointer to a translation table for entries of a specific type 520 * @msg: message to be returned when translation fails 521 * @id: entry id to be translated 522 * 523 * get_table_entry_name() will go over translation table trying to find 524 * entry that matches given id. If matching entry is found, its long 525 * name is returned to the caller. 526 * 527 * returns: 528 * long entry name if translation succeeds 529 * msg otherwise 530 */ 531 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 532 { 533 for (; table->id >= 0; ++table) { 534 if (table->id == id) 535 return (table->lname); 536 } 537 return (msg); 538 } 539 540 const char *genimg_get_os_name (uint8_t os) 541 { 542 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 543 } 544 545 const char *genimg_get_arch_name (uint8_t arch) 546 { 547 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 548 } 549 550 const char *genimg_get_type_name (uint8_t type) 551 { 552 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 553 } 554 555 const char *genimg_get_comp_name (uint8_t comp) 556 { 557 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 558 } 559 560 /** 561 * get_table_entry_id - translate short entry name to id 562 * @table: pointer to a translation table for entries of a specific type 563 * @table_name: to be used in case of error 564 * @name: entry short name to be translated 565 * 566 * get_table_entry_id() will go over translation table trying to find 567 * entry that matches given short name. If matching entry is found, 568 * its id returned to the caller. 569 * 570 * returns: 571 * entry id if translation succeeds 572 * -1 otherwise 573 */ 574 static int get_table_entry_id (table_entry_t *table, 575 const char *table_name, const char *name) 576 { 577 table_entry_t *t; 578 #ifdef USE_HOSTCC 579 int first = 1; 580 581 for (t = table; t->id >= 0; ++t) { 582 if (t->sname && strcasecmp(t->sname, name) == 0) 583 return (t->id); 584 } 585 586 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 587 for (t = table; t->id >= 0; ++t) { 588 if (t->sname == NULL) 589 continue; 590 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 591 first = 0; 592 } 593 fprintf (stderr, "\n"); 594 #else 595 for (t = table; t->id >= 0; ++t) { 596 if (t->sname && strcmp(t->sname, name) == 0) 597 return (t->id); 598 } 599 debug ("Invalid %s Type: %s\n", table_name, name); 600 #endif /* USE_HOSTCC */ 601 return (-1); 602 } 603 604 int genimg_get_os_id (const char *name) 605 { 606 return (get_table_entry_id (uimage_os, "OS", name)); 607 } 608 609 int genimg_get_arch_id (const char *name) 610 { 611 return (get_table_entry_id (uimage_arch, "CPU", name)); 612 } 613 614 int genimg_get_type_id (const char *name) 615 { 616 return (get_table_entry_id (uimage_type, "Image", name)); 617 } 618 619 int genimg_get_comp_id (const char *name) 620 { 621 return (get_table_entry_id (uimage_comp, "Compression", name)); 622 } 623 624 #ifndef USE_HOSTCC 625 /** 626 * genimg_get_format - get image format type 627 * @img_addr: image start address 628 * 629 * genimg_get_format() checks whether provided address points to a valid 630 * legacy or FIT image. 631 * 632 * New uImage format and FDT blob are based on a libfdt. FDT blob 633 * may be passed directly or embedded in a FIT image. In both situations 634 * genimg_get_format() must be able to dectect libfdt header. 635 * 636 * returns: 637 * image format type or IMAGE_FORMAT_INVALID if no image is present 638 */ 639 int genimg_get_format (void *img_addr) 640 { 641 ulong format = IMAGE_FORMAT_INVALID; 642 image_header_t *hdr; 643 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 644 char *fit_hdr; 645 #endif 646 647 hdr = (image_header_t *)img_addr; 648 if (image_check_magic(hdr)) 649 format = IMAGE_FORMAT_LEGACY; 650 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 651 else { 652 fit_hdr = (char *)img_addr; 653 if (fdt_check_header (fit_hdr) == 0) 654 format = IMAGE_FORMAT_FIT; 655 } 656 #endif 657 658 return format; 659 } 660 661 /** 662 * genimg_get_image - get image from special storage (if necessary) 663 * @img_addr: image start address 664 * 665 * genimg_get_image() checks if provided image start adddress is located 666 * in a dataflash storage. If so, image is moved to a system RAM memory. 667 * 668 * returns: 669 * image start address after possible relocation from special storage 670 */ 671 ulong genimg_get_image (ulong img_addr) 672 { 673 ulong ram_addr = img_addr; 674 675 #ifdef CONFIG_HAS_DATAFLASH 676 ulong h_size, d_size; 677 678 if (addr_dataflash (img_addr)){ 679 /* ger RAM address */ 680 ram_addr = CFG_LOAD_ADDR; 681 682 /* get header size */ 683 h_size = image_get_header_size (); 684 #if defined(CONFIG_FIT) 685 if (sizeof(struct fdt_header) > h_size) 686 h_size = sizeof(struct fdt_header); 687 #endif 688 689 /* read in header */ 690 debug (" Reading image header from dataflash address " 691 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 692 693 read_dataflash (img_addr, h_size, (char *)ram_addr); 694 695 /* get data size */ 696 switch (genimg_get_format ((void *)ram_addr)) { 697 case IMAGE_FORMAT_LEGACY: 698 d_size = image_get_data_size ((image_header_t *)ram_addr); 699 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 700 ram_addr, d_size); 701 break; 702 #if defined(CONFIG_FIT) 703 case IMAGE_FORMAT_FIT: 704 d_size = fdt_totalsize((void *)ram_addr) - h_size; 705 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 706 ram_addr, d_size); 707 break; 708 #endif 709 default: 710 printf (" No valid image found at 0x%08lx\n", img_addr); 711 return ram_addr; 712 } 713 714 /* read in image data */ 715 debug (" Reading image remaining data from dataflash address " 716 "%08lx to RAM address %08lx\n", img_addr + h_size, 717 ram_addr + h_size); 718 719 read_dataflash (img_addr + h_size, d_size, 720 (char *)(ram_addr + h_size)); 721 722 } 723 #endif /* CONFIG_HAS_DATAFLASH */ 724 725 return ram_addr; 726 } 727 728 /** 729 * boot_get_ramdisk - main ramdisk handling routine 730 * @cmdtp: command table pointer 731 * @flag: command flag 732 * @argc: command argument count 733 * @argv: command argument list 734 * @images: pointer to the bootm images structure 735 * @arch: expected ramdisk architecture 736 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 737 * @rd_end: pointer to a ulong variable, will hold ramdisk end 738 * 739 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 740 * Curently supported are the following ramdisk sources: 741 * - multicomponent kernel/ramdisk image, 742 * - commandline provided address of decicated ramdisk image. 743 * 744 * returns: 745 * rd_start and rd_end are set to ramdisk start/end addresses if 746 * ramdisk image is found and valid 747 * rd_start and rd_end are set to 0 if no ramdisk exists 748 * return 1 if ramdisk image is found but corrupted 749 */ 750 int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], 751 bootm_headers_t *images, uint8_t arch, 752 ulong *rd_start, ulong *rd_end) 753 { 754 ulong rd_addr, rd_load; 755 ulong rd_data, rd_len; 756 image_header_t *rd_hdr; 757 #if defined(CONFIG_FIT) 758 void *fit_hdr; 759 const char *fit_uname_config = NULL; 760 const char *fit_uname_ramdisk = NULL; 761 ulong default_addr; 762 #endif 763 764 /* 765 * Look for a '-' which indicates to ignore the 766 * ramdisk argument 767 */ 768 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 769 debug ("## Skipping init Ramdisk\n"); 770 rd_len = rd_data = 0; 771 } else if (argc >= 3) { 772 #if defined(CONFIG_FIT) 773 /* 774 * If the init ramdisk comes from the FIT image and the FIT image 775 * address is omitted in the command line argument, try to use 776 * os FIT image address or default load address. 777 */ 778 if (images->fit_uname_os) 779 default_addr = (ulong)images->fit_hdr_os; 780 else 781 default_addr = load_addr; 782 783 if (fit_parse_conf (argv[2], default_addr, 784 &rd_addr, &fit_uname_config)) { 785 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 786 fit_uname_config, rd_addr); 787 } else if (fit_parse_subimage (argv[2], default_addr, 788 &rd_addr, &fit_uname_ramdisk)) { 789 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 790 fit_uname_ramdisk, rd_addr); 791 } else 792 #endif 793 { 794 rd_addr = simple_strtoul(argv[2], NULL, 16); 795 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 796 rd_addr); 797 } 798 799 /* copy from dataflash if needed */ 800 printf ("## Loading init Ramdisk Image at %08lx ...\n", 801 rd_addr); 802 rd_addr = genimg_get_image (rd_addr); 803 804 /* 805 * Check if there is an initrd image at the 806 * address provided in the second bootm argument 807 * check image type, for FIT images get FIT node. 808 */ 809 switch (genimg_get_format ((void *)rd_addr)) { 810 case IMAGE_FORMAT_LEGACY: 811 812 debug ("* ramdisk: legacy format image\n"); 813 814 rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv, 815 rd_addr, arch, images->verify); 816 817 if (rd_hdr == NULL) { 818 *rd_start = 0; 819 *rd_end = 0; 820 return 1; 821 } 822 823 rd_data = image_get_data (rd_hdr); 824 rd_len = image_get_data_size (rd_hdr); 825 rd_load = image_get_load (rd_hdr); 826 break; 827 #if defined(CONFIG_FIT) 828 case IMAGE_FORMAT_FIT: 829 fit_hdr = (void *)rd_addr; 830 debug ("* ramdisk: FIT format image\n"); 831 fit_unsupported_reset ("ramdisk"); 832 return 1; 833 #endif 834 default: 835 printf ("Wrong Image Format for %s command\n", 836 cmdtp->name); 837 rd_data = rd_len = 0; 838 } 839 840 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 841 /* 842 * We need to copy the ramdisk to SRAM to let Linux boot 843 */ 844 if (rd_data) { 845 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 846 rd_data = rd_load; 847 } 848 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 849 850 } else if (images->legacy_hdr_valid && 851 image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { 852 /* 853 * Now check if we have a legacy mult-component image, 854 * get second entry data start address and len. 855 */ 856 show_boot_progress (13); 857 printf ("## Loading init Ramdisk from multi component " 858 "Image at %08lx ...\n", 859 (ulong)images->legacy_hdr_os); 860 861 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 862 } else { 863 /* 864 * no initrd image 865 */ 866 show_boot_progress (14); 867 rd_len = rd_data = 0; 868 } 869 870 if (!rd_data) { 871 debug ("## No init Ramdisk\n"); 872 *rd_start = 0; 873 *rd_end = 0; 874 } else { 875 *rd_start = rd_data; 876 *rd_end = rd_data + rd_len; 877 } 878 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 879 *rd_start, *rd_end); 880 881 return 0; 882 } 883 884 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 885 /** 886 * boot_ramdisk_high - relocate init ramdisk 887 * @lmb: pointer to lmb handle, will be used for memory mgmt 888 * @rd_data: ramdisk data start address 889 * @rd_len: ramdisk data length 890 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 891 * start address (after possible relocation) 892 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 893 * end address (after possible relocation) 894 * 895 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 896 * variable and if requested ramdisk data is moved to a specified location. 897 * 898 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 899 * start/end addresses if ramdisk image start and len were provided, 900 * otherwise set initrd_start and initrd_end set to zeros. 901 * 902 * returns: 903 * 0 - success 904 * -1 - failure 905 */ 906 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 907 ulong *initrd_start, ulong *initrd_end) 908 { 909 char *s; 910 ulong initrd_high; 911 int initrd_copy_to_ram = 1; 912 913 if ((s = getenv ("initrd_high")) != NULL) { 914 /* a value of "no" or a similar string will act like 0, 915 * turning the "load high" feature off. This is intentional. 916 */ 917 initrd_high = simple_strtoul (s, NULL, 16); 918 if (initrd_high == ~0) 919 initrd_copy_to_ram = 0; 920 } else { 921 /* not set, no restrictions to load high */ 922 initrd_high = ~0; 923 } 924 925 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 926 initrd_high, initrd_copy_to_ram); 927 928 if (rd_data) { 929 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 930 debug (" in-place initrd\n"); 931 *initrd_start = rd_data; 932 *initrd_end = rd_data + rd_len; 933 lmb_reserve(lmb, rd_data, rd_len); 934 } else { 935 if (initrd_high) 936 *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 937 else 938 *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); 939 940 if (*initrd_start == 0) { 941 puts ("ramdisk - allocation error\n"); 942 goto error; 943 } 944 show_boot_progress (12); 945 946 *initrd_end = *initrd_start + rd_len; 947 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 948 *initrd_start, *initrd_end); 949 950 memmove_wd ((void *)*initrd_start, 951 (void *)rd_data, rd_len, CHUNKSZ); 952 953 puts ("OK\n"); 954 } 955 } else { 956 *initrd_start = 0; 957 *initrd_end = 0; 958 } 959 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 960 *initrd_start, *initrd_end); 961 962 return 0; 963 964 error: 965 return -1; 966 } 967 968 /** 969 * boot_get_cmdline - allocate and initialize kernel cmdline 970 * @lmb: pointer to lmb handle, will be used for memory mgmt 971 * @cmd_start: pointer to a ulong variable, will hold cmdline start 972 * @cmd_end: pointer to a ulong variable, will hold cmdline end 973 * @bootmap_base: ulong variable, holds offset in physical memory to 974 * base of bootmap 975 * 976 * boot_get_cmdline() allocates space for kernel command line below 977 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 978 * variable is present its contents is copied to allocated kernel 979 * command line. 980 * 981 * returns: 982 * 0 - success 983 * -1 - failure 984 */ 985 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 986 ulong bootmap_base) 987 { 988 char *cmdline; 989 char *s; 990 991 cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 992 CFG_BOOTMAPSZ + bootmap_base); 993 994 if (cmdline == NULL) 995 return -1; 996 997 if ((s = getenv("bootargs")) == NULL) 998 s = ""; 999 1000 strcpy(cmdline, s); 1001 1002 *cmd_start = (ulong) & cmdline[0]; 1003 *cmd_end = *cmd_start + strlen(cmdline); 1004 1005 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1006 1007 return 0; 1008 } 1009 1010 /** 1011 * boot_get_kbd - allocate and initialize kernel copy of board info 1012 * @lmb: pointer to lmb handle, will be used for memory mgmt 1013 * @kbd: double pointer to board info data 1014 * @bootmap_base: ulong variable, holds offset in physical memory to 1015 * base of bootmap 1016 * 1017 * boot_get_kbd() allocates space for kernel copy of board info data below 1018 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1019 * the current u-boot board info data. 1020 * 1021 * returns: 1022 * 0 - success 1023 * -1 - failure 1024 */ 1025 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1026 { 1027 *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1028 CFG_BOOTMAPSZ + bootmap_base); 1029 if (*kbd == NULL) 1030 return -1; 1031 1032 **kbd = *(gd->bd); 1033 1034 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1035 1036 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1037 do_bdinfo(NULL, 0, 0, NULL); 1038 #endif 1039 1040 return 0; 1041 } 1042 #endif /* CONFIG_PPC || CONFIG_M68K */ 1043 1044 #if defined(CONFIG_FIT) 1045 /*****************************************************************************/ 1046 /* New uImage format routines */ 1047 /*****************************************************************************/ 1048 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1049 ulong *addr, const char **name) 1050 { 1051 const char *sep; 1052 1053 *addr = addr_curr; 1054 *name = NULL; 1055 1056 sep = strchr (spec, sepc); 1057 if (sep) { 1058 if (sep - spec > 0) 1059 *addr = simple_strtoul (spec, NULL, 16); 1060 1061 *name = sep + 1; 1062 return 1; 1063 } 1064 1065 return 0; 1066 } 1067 1068 /** 1069 * fit_parse_conf - parse FIT configuration spec 1070 * @spec: input string, containing configuration spec 1071 * @add_curr: current image address (to be used as a possible default) 1072 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1073 * configuration 1074 * @conf_name double pointer to a char, will hold pointer to a configuration 1075 * unit name 1076 * 1077 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1078 * where <addr> is a FIT image address that contains configuration 1079 * with a <conf> unit name. 1080 * 1081 * Address part is optional, and if omitted default add_curr will 1082 * be used instead. 1083 * 1084 * returns: 1085 * 1 if spec is a valid configuration string, 1086 * addr and conf_name are set accordingly 1087 * 0 otherwise 1088 */ 1089 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1090 ulong *addr, const char **conf_name) 1091 { 1092 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1093 } 1094 1095 /** 1096 * fit_parse_subimage - parse FIT subimage spec 1097 * @spec: input string, containing subimage spec 1098 * @add_curr: current image address (to be used as a possible default) 1099 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1100 * subimage 1101 * @image_name: double pointer to a char, will hold pointer to a subimage name 1102 * 1103 * fit_parse_subimage() expects subimage spec in the for of 1104 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1105 * subimage with a <subimg> unit name. 1106 * 1107 * Address part is optional, and if omitted default add_curr will 1108 * be used instead. 1109 * 1110 * returns: 1111 * 1 if spec is a valid subimage string, 1112 * addr and image_name are set accordingly 1113 * 0 otherwise 1114 */ 1115 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1116 ulong *addr, const char **image_name) 1117 { 1118 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1119 } 1120 1121 #endif /* CONFIG_FIT */ 1122 #endif /* !USE_HOSTCC */ 1123