1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef USE_HOSTCC 11 #include <common.h> 12 #include <watchdog.h> 13 14 #ifdef CONFIG_SHOW_BOOT_PROGRESS 15 #include <status_led.h> 16 #endif 17 18 #ifdef CONFIG_HAS_DATAFLASH 19 #include <dataflash.h> 20 #endif 21 22 #ifdef CONFIG_LOGBUFFER 23 #include <logbuff.h> 24 #endif 25 26 #include <rtc.h> 27 28 #include <environment.h> 29 #include <image.h> 30 31 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 32 #include <libfdt.h> 33 #include <fdt_support.h> 34 #endif 35 36 #include <u-boot/md5.h> 37 #include <sha1.h> 38 #include <asm/errno.h> 39 #include <asm/io.h> 40 41 #ifdef CONFIG_CMD_BDI 42 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 43 #endif 44 45 DECLARE_GLOBAL_DATA_PTR; 46 47 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 48 int verify); 49 #else 50 #include "mkimage.h" 51 #include <u-boot/md5.h> 52 #include <time.h> 53 #include <image.h> 54 #endif /* !USE_HOSTCC*/ 55 56 #include <u-boot/crc.h> 57 58 #ifndef CONFIG_SYS_BARGSIZE 59 #define CONFIG_SYS_BARGSIZE 512 60 #endif 61 62 static const table_entry_t uimage_arch[] = { 63 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 64 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 65 { IH_ARCH_ARM, "arm", "ARM", }, 66 { IH_ARCH_I386, "x86", "Intel x86", }, 67 { IH_ARCH_IA64, "ia64", "IA64", }, 68 { IH_ARCH_M68K, "m68k", "M68K", }, 69 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 70 { IH_ARCH_MIPS, "mips", "MIPS", }, 71 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 72 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 73 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 74 { IH_ARCH_PPC, "ppc", "PowerPC", }, 75 { IH_ARCH_S390, "s390", "IBM S390", }, 76 { IH_ARCH_SH, "sh", "SuperH", }, 77 { IH_ARCH_SPARC, "sparc", "SPARC", }, 78 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 79 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 80 { IH_ARCH_AVR32, "avr32", "AVR32", }, 81 { IH_ARCH_NDS32, "nds32", "NDS32", }, 82 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, 83 { IH_ARCH_SANDBOX, "sandbox", "Sandbox", }, 84 { -1, "", "", }, 85 }; 86 87 static const table_entry_t uimage_os[] = { 88 { IH_OS_INVALID, NULL, "Invalid OS", }, 89 { IH_OS_LINUX, "linux", "Linux", }, 90 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 91 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 92 #endif 93 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 94 { IH_OS_OSE, "ose", "Enea OSE", }, 95 { IH_OS_PLAN9, "plan9", "Plan 9", }, 96 { IH_OS_RTEMS, "rtems", "RTEMS", }, 97 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 98 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 99 { IH_OS_QNX, "qnx", "QNX", }, 100 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 101 #endif 102 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 103 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 104 #endif 105 #ifdef USE_HOSTCC 106 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 107 { IH_OS_DELL, "dell", "Dell", }, 108 { IH_OS_ESIX, "esix", "Esix", }, 109 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 110 { IH_OS_IRIX, "irix", "Irix", }, 111 { IH_OS_NCR, "ncr", "NCR", }, 112 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 113 { IH_OS_PSOS, "psos", "pSOS", }, 114 { IH_OS_SCO, "sco", "SCO", }, 115 { IH_OS_SOLARIS, "solaris", "Solaris", }, 116 { IH_OS_SVR4, "svr4", "SVR4", }, 117 #endif 118 { -1, "", "", }, 119 }; 120 121 static const table_entry_t uimage_type[] = { 122 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, 123 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 124 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 125 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 126 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 127 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, 128 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 129 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 130 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 131 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 132 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, 133 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, 134 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 135 { IH_TYPE_SCRIPT, "script", "Script", }, 136 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 137 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 138 { -1, "", "", }, 139 }; 140 141 static const table_entry_t uimage_comp[] = { 142 { IH_COMP_NONE, "none", "uncompressed", }, 143 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 144 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 145 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 146 { IH_COMP_LZO, "lzo", "lzo compressed", }, 147 { -1, "", "", }, 148 }; 149 150 /*****************************************************************************/ 151 /* Legacy format routines */ 152 /*****************************************************************************/ 153 int image_check_hcrc(const image_header_t *hdr) 154 { 155 ulong hcrc; 156 ulong len = image_get_header_size(); 157 image_header_t header; 158 159 /* Copy header so we can blank CRC field for re-calculation */ 160 memmove(&header, (char *)hdr, image_get_header_size()); 161 image_set_hcrc(&header, 0); 162 163 hcrc = crc32(0, (unsigned char *)&header, len); 164 165 return (hcrc == image_get_hcrc(hdr)); 166 } 167 168 int image_check_dcrc(const image_header_t *hdr) 169 { 170 ulong data = image_get_data(hdr); 171 ulong len = image_get_data_size(hdr); 172 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 173 174 return (dcrc == image_get_dcrc(hdr)); 175 } 176 177 /** 178 * image_multi_count - get component (sub-image) count 179 * @hdr: pointer to the header of the multi component image 180 * 181 * image_multi_count() returns number of components in a multi 182 * component image. 183 * 184 * Note: no checking of the image type is done, caller must pass 185 * a valid multi component image. 186 * 187 * returns: 188 * number of components 189 */ 190 ulong image_multi_count(const image_header_t *hdr) 191 { 192 ulong i, count = 0; 193 uint32_t *size; 194 195 /* get start of the image payload, which in case of multi 196 * component images that points to a table of component sizes */ 197 size = (uint32_t *)image_get_data(hdr); 198 199 /* count non empty slots */ 200 for (i = 0; size[i]; ++i) 201 count++; 202 203 return count; 204 } 205 206 /** 207 * image_multi_getimg - get component data address and size 208 * @hdr: pointer to the header of the multi component image 209 * @idx: index of the requested component 210 * @data: pointer to a ulong variable, will hold component data address 211 * @len: pointer to a ulong variable, will hold component size 212 * 213 * image_multi_getimg() returns size and data address for the requested 214 * component in a multi component image. 215 * 216 * Note: no checking of the image type is done, caller must pass 217 * a valid multi component image. 218 * 219 * returns: 220 * data address and size of the component, if idx is valid 221 * 0 in data and len, if idx is out of range 222 */ 223 void image_multi_getimg(const image_header_t *hdr, ulong idx, 224 ulong *data, ulong *len) 225 { 226 int i; 227 uint32_t *size; 228 ulong offset, count, img_data; 229 230 /* get number of component */ 231 count = image_multi_count(hdr); 232 233 /* get start of the image payload, which in case of multi 234 * component images that points to a table of component sizes */ 235 size = (uint32_t *)image_get_data(hdr); 236 237 /* get address of the proper component data start, which means 238 * skipping sizes table (add 1 for last, null entry) */ 239 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 240 241 if (idx < count) { 242 *len = uimage_to_cpu(size[idx]); 243 offset = 0; 244 245 /* go over all indices preceding requested component idx */ 246 for (i = 0; i < idx; i++) { 247 /* add up i-th component size, rounding up to 4 bytes */ 248 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 249 } 250 251 /* calculate idx-th component data address */ 252 *data = img_data + offset; 253 } else { 254 *len = 0; 255 *data = 0; 256 } 257 } 258 259 static void image_print_type(const image_header_t *hdr) 260 { 261 const char *os, *arch, *type, *comp; 262 263 os = genimg_get_os_name(image_get_os(hdr)); 264 arch = genimg_get_arch_name(image_get_arch(hdr)); 265 type = genimg_get_type_name(image_get_type(hdr)); 266 comp = genimg_get_comp_name(image_get_comp(hdr)); 267 268 printf("%s %s %s (%s)\n", arch, os, type, comp); 269 } 270 271 /** 272 * image_print_contents - prints out the contents of the legacy format image 273 * @ptr: pointer to the legacy format image header 274 * @p: pointer to prefix string 275 * 276 * image_print_contents() formats a multi line legacy image contents description. 277 * The routine prints out all header fields followed by the size/offset data 278 * for MULTI/SCRIPT images. 279 * 280 * returns: 281 * no returned results 282 */ 283 void image_print_contents(const void *ptr) 284 { 285 const image_header_t *hdr = (const image_header_t *)ptr; 286 const char *p; 287 288 p = IMAGE_INDENT_STRING; 289 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 290 if (IMAGE_ENABLE_TIMESTAMP) { 291 printf("%sCreated: ", p); 292 genimg_print_time((time_t)image_get_time(hdr)); 293 } 294 printf("%sImage Type: ", p); 295 image_print_type(hdr); 296 printf("%sData Size: ", p); 297 genimg_print_size(image_get_data_size(hdr)); 298 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 299 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 300 301 if (image_check_type(hdr, IH_TYPE_MULTI) || 302 image_check_type(hdr, IH_TYPE_SCRIPT)) { 303 int i; 304 ulong data, len; 305 ulong count = image_multi_count(hdr); 306 307 printf("%sContents:\n", p); 308 for (i = 0; i < count; i++) { 309 image_multi_getimg(hdr, i, &data, &len); 310 311 printf("%s Image %d: ", p, i); 312 genimg_print_size(len); 313 314 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 315 /* 316 * the user may need to know offsets 317 * if planning to do something with 318 * multiple files 319 */ 320 printf("%s Offset = 0x%08lx\n", p, data); 321 } 322 } 323 } 324 } 325 326 327 #ifndef USE_HOSTCC 328 /** 329 * image_get_ramdisk - get and verify ramdisk image 330 * @rd_addr: ramdisk image start address 331 * @arch: expected ramdisk architecture 332 * @verify: checksum verification flag 333 * 334 * image_get_ramdisk() returns a pointer to the verified ramdisk image 335 * header. Routine receives image start address and expected architecture 336 * flag. Verification done covers data and header integrity and os/type/arch 337 * fields checking. 338 * 339 * If dataflash support is enabled routine checks for dataflash addresses 340 * and handles required dataflash reads. 341 * 342 * returns: 343 * pointer to a ramdisk image header, if image was found and valid 344 * otherwise, return NULL 345 */ 346 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 347 int verify) 348 { 349 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 350 351 if (!image_check_magic(rd_hdr)) { 352 puts("Bad Magic Number\n"); 353 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 354 return NULL; 355 } 356 357 if (!image_check_hcrc(rd_hdr)) { 358 puts("Bad Header Checksum\n"); 359 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 360 return NULL; 361 } 362 363 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 364 image_print_contents(rd_hdr); 365 366 if (verify) { 367 puts(" Verifying Checksum ... "); 368 if (!image_check_dcrc(rd_hdr)) { 369 puts("Bad Data CRC\n"); 370 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 371 return NULL; 372 } 373 puts("OK\n"); 374 } 375 376 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 377 378 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 379 !image_check_arch(rd_hdr, arch) || 380 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 381 printf("No Linux %s Ramdisk Image\n", 382 genimg_get_arch_name(arch)); 383 bootstage_error(BOOTSTAGE_ID_RAMDISK); 384 return NULL; 385 } 386 387 return rd_hdr; 388 } 389 #endif /* !USE_HOSTCC */ 390 391 /*****************************************************************************/ 392 /* Shared dual-format routines */ 393 /*****************************************************************************/ 394 #ifndef USE_HOSTCC 395 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 396 ulong save_addr; /* Default Save Address */ 397 ulong save_size; /* Default Save Size (in bytes) */ 398 399 static int on_loadaddr(const char *name, const char *value, enum env_op op, 400 int flags) 401 { 402 switch (op) { 403 case env_op_create: 404 case env_op_overwrite: 405 load_addr = simple_strtoul(value, NULL, 16); 406 break; 407 default: 408 break; 409 } 410 411 return 0; 412 } 413 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 414 415 ulong getenv_bootm_low(void) 416 { 417 char *s = getenv("bootm_low"); 418 if (s) { 419 ulong tmp = simple_strtoul(s, NULL, 16); 420 return tmp; 421 } 422 423 #if defined(CONFIG_SYS_SDRAM_BASE) 424 return CONFIG_SYS_SDRAM_BASE; 425 #elif defined(CONFIG_ARM) 426 return gd->bd->bi_dram[0].start; 427 #else 428 return 0; 429 #endif 430 } 431 432 phys_size_t getenv_bootm_size(void) 433 { 434 phys_size_t tmp; 435 char *s = getenv("bootm_size"); 436 if (s) { 437 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 438 return tmp; 439 } 440 s = getenv("bootm_low"); 441 if (s) 442 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 443 else 444 tmp = 0; 445 446 447 #if defined(CONFIG_ARM) 448 return gd->bd->bi_dram[0].size - tmp; 449 #else 450 return gd->bd->bi_memsize - tmp; 451 #endif 452 } 453 454 phys_size_t getenv_bootm_mapsize(void) 455 { 456 phys_size_t tmp; 457 char *s = getenv("bootm_mapsize"); 458 if (s) { 459 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 460 return tmp; 461 } 462 463 #if defined(CONFIG_SYS_BOOTMAPSZ) 464 return CONFIG_SYS_BOOTMAPSZ; 465 #else 466 return getenv_bootm_size(); 467 #endif 468 } 469 470 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 471 { 472 if (to == from) 473 return; 474 475 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 476 while (len > 0) { 477 size_t tail = (len > chunksz) ? chunksz : len; 478 WATCHDOG_RESET(); 479 memmove(to, from, tail); 480 to += tail; 481 from += tail; 482 len -= tail; 483 } 484 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 485 memmove(to, from, len); 486 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 487 } 488 #endif /* !USE_HOSTCC */ 489 490 void genimg_print_size(uint32_t size) 491 { 492 #ifndef USE_HOSTCC 493 printf("%d Bytes = ", size); 494 print_size(size, "\n"); 495 #else 496 printf("%d Bytes = %.2f kB = %.2f MB\n", 497 size, (double)size / 1.024e3, 498 (double)size / 1.048576e6); 499 #endif 500 } 501 502 #if IMAGE_ENABLE_TIMESTAMP 503 void genimg_print_time(time_t timestamp) 504 { 505 #ifndef USE_HOSTCC 506 struct rtc_time tm; 507 508 to_tm(timestamp, &tm); 509 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 510 tm.tm_year, tm.tm_mon, tm.tm_mday, 511 tm.tm_hour, tm.tm_min, tm.tm_sec); 512 #else 513 printf("%s", ctime(×tamp)); 514 #endif 515 } 516 #endif 517 518 /** 519 * get_table_entry_name - translate entry id to long name 520 * @table: pointer to a translation table for entries of a specific type 521 * @msg: message to be returned when translation fails 522 * @id: entry id to be translated 523 * 524 * get_table_entry_name() will go over translation table trying to find 525 * entry that matches given id. If matching entry is found, its long 526 * name is returned to the caller. 527 * 528 * returns: 529 * long entry name if translation succeeds 530 * msg otherwise 531 */ 532 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 533 { 534 for (; table->id >= 0; ++table) { 535 if (table->id == id) 536 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 537 return table->lname; 538 #else 539 return table->lname + gd->reloc_off; 540 #endif 541 } 542 return (msg); 543 } 544 545 const char *genimg_get_os_name(uint8_t os) 546 { 547 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 548 } 549 550 const char *genimg_get_arch_name(uint8_t arch) 551 { 552 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 553 arch)); 554 } 555 556 const char *genimg_get_type_name(uint8_t type) 557 { 558 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 559 } 560 561 const char *genimg_get_comp_name(uint8_t comp) 562 { 563 return (get_table_entry_name(uimage_comp, "Unknown Compression", 564 comp)); 565 } 566 567 /** 568 * get_table_entry_id - translate short entry name to id 569 * @table: pointer to a translation table for entries of a specific type 570 * @table_name: to be used in case of error 571 * @name: entry short name to be translated 572 * 573 * get_table_entry_id() will go over translation table trying to find 574 * entry that matches given short name. If matching entry is found, 575 * its id returned to the caller. 576 * 577 * returns: 578 * entry id if translation succeeds 579 * -1 otherwise 580 */ 581 int get_table_entry_id(const table_entry_t *table, 582 const char *table_name, const char *name) 583 { 584 const table_entry_t *t; 585 #ifdef USE_HOSTCC 586 int first = 1; 587 588 for (t = table; t->id >= 0; ++t) { 589 if (t->sname && strcasecmp(t->sname, name) == 0) 590 return(t->id); 591 } 592 593 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 594 for (t = table; t->id >= 0; ++t) { 595 if (t->sname == NULL) 596 continue; 597 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 598 first = 0; 599 } 600 fprintf(stderr, "\n"); 601 #else 602 for (t = table; t->id >= 0; ++t) { 603 #ifdef CONFIG_NEEDS_MANUAL_RELOC 604 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 605 #else 606 if (t->sname && strcmp(t->sname, name) == 0) 607 #endif 608 return (t->id); 609 } 610 debug("Invalid %s Type: %s\n", table_name, name); 611 #endif /* USE_HOSTCC */ 612 return (-1); 613 } 614 615 int genimg_get_os_id(const char *name) 616 { 617 return (get_table_entry_id(uimage_os, "OS", name)); 618 } 619 620 int genimg_get_arch_id(const char *name) 621 { 622 return (get_table_entry_id(uimage_arch, "CPU", name)); 623 } 624 625 int genimg_get_type_id(const char *name) 626 { 627 return (get_table_entry_id(uimage_type, "Image", name)); 628 } 629 630 int genimg_get_comp_id(const char *name) 631 { 632 return (get_table_entry_id(uimage_comp, "Compression", name)); 633 } 634 635 #ifndef USE_HOSTCC 636 /** 637 * genimg_get_format - get image format type 638 * @img_addr: image start address 639 * 640 * genimg_get_format() checks whether provided address points to a valid 641 * legacy or FIT image. 642 * 643 * New uImage format and FDT blob are based on a libfdt. FDT blob 644 * may be passed directly or embedded in a FIT image. In both situations 645 * genimg_get_format() must be able to dectect libfdt header. 646 * 647 * returns: 648 * image format type or IMAGE_FORMAT_INVALID if no image is present 649 */ 650 int genimg_get_format(const void *img_addr) 651 { 652 ulong format = IMAGE_FORMAT_INVALID; 653 const image_header_t *hdr; 654 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 655 char *fit_hdr; 656 #endif 657 658 hdr = (const image_header_t *)img_addr; 659 if (image_check_magic(hdr)) 660 format = IMAGE_FORMAT_LEGACY; 661 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 662 else { 663 fit_hdr = (char *)img_addr; 664 if (fdt_check_header(fit_hdr) == 0) 665 format = IMAGE_FORMAT_FIT; 666 } 667 #endif 668 669 return format; 670 } 671 672 /** 673 * genimg_get_image - get image from special storage (if necessary) 674 * @img_addr: image start address 675 * 676 * genimg_get_image() checks if provided image start adddress is located 677 * in a dataflash storage. If so, image is moved to a system RAM memory. 678 * 679 * returns: 680 * image start address after possible relocation from special storage 681 */ 682 ulong genimg_get_image(ulong img_addr) 683 { 684 ulong ram_addr = img_addr; 685 686 #ifdef CONFIG_HAS_DATAFLASH 687 ulong h_size, d_size; 688 689 if (addr_dataflash(img_addr)) { 690 void *buf; 691 692 /* ger RAM address */ 693 ram_addr = CONFIG_SYS_LOAD_ADDR; 694 695 /* get header size */ 696 h_size = image_get_header_size(); 697 #if defined(CONFIG_FIT) 698 if (sizeof(struct fdt_header) > h_size) 699 h_size = sizeof(struct fdt_header); 700 #endif 701 702 /* read in header */ 703 debug(" Reading image header from dataflash address " 704 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 705 706 buf = map_sysmem(ram_addr, 0); 707 read_dataflash(img_addr, h_size, buf); 708 709 /* get data size */ 710 switch (genimg_get_format(buf)) { 711 case IMAGE_FORMAT_LEGACY: 712 d_size = image_get_data_size(buf); 713 debug(" Legacy format image found at 0x%08lx, " 714 "size 0x%08lx\n", 715 ram_addr, d_size); 716 break; 717 #if defined(CONFIG_FIT) 718 case IMAGE_FORMAT_FIT: 719 d_size = fit_get_size(buf) - h_size; 720 debug(" FIT/FDT format image found at 0x%08lx, " 721 "size 0x%08lx\n", 722 ram_addr, d_size); 723 break; 724 #endif 725 default: 726 printf(" No valid image found at 0x%08lx\n", 727 img_addr); 728 return ram_addr; 729 } 730 731 /* read in image data */ 732 debug(" Reading image remaining data from dataflash address " 733 "%08lx to RAM address %08lx\n", img_addr + h_size, 734 ram_addr + h_size); 735 736 read_dataflash(img_addr + h_size, d_size, 737 (char *)(buf + h_size)); 738 739 } 740 #endif /* CONFIG_HAS_DATAFLASH */ 741 742 return ram_addr; 743 } 744 745 /** 746 * fit_has_config - check if there is a valid FIT configuration 747 * @images: pointer to the bootm command headers structure 748 * 749 * fit_has_config() checks if there is a FIT configuration in use 750 * (if FTI support is present). 751 * 752 * returns: 753 * 0, no FIT support or no configuration found 754 * 1, configuration found 755 */ 756 int genimg_has_config(bootm_headers_t *images) 757 { 758 #if defined(CONFIG_FIT) 759 if (images->fit_uname_cfg) 760 return 1; 761 #endif 762 return 0; 763 } 764 765 /** 766 * boot_get_ramdisk - main ramdisk handling routine 767 * @argc: command argument count 768 * @argv: command argument list 769 * @images: pointer to the bootm images structure 770 * @arch: expected ramdisk architecture 771 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 772 * @rd_end: pointer to a ulong variable, will hold ramdisk end 773 * 774 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 775 * Curently supported are the following ramdisk sources: 776 * - multicomponent kernel/ramdisk image, 777 * - commandline provided address of decicated ramdisk image. 778 * 779 * returns: 780 * 0, if ramdisk image was found and valid, or skiped 781 * rd_start and rd_end are set to ramdisk start/end addresses if 782 * ramdisk image is found and valid 783 * 784 * 1, if ramdisk image is found but corrupted, or invalid 785 * rd_start and rd_end are set to 0 if no ramdisk exists 786 */ 787 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 788 uint8_t arch, ulong *rd_start, ulong *rd_end) 789 { 790 ulong rd_addr, rd_load; 791 ulong rd_data, rd_len; 792 const image_header_t *rd_hdr; 793 void *buf; 794 #ifdef CONFIG_SUPPORT_RAW_INITRD 795 char *end; 796 #endif 797 #if defined(CONFIG_FIT) 798 const char *fit_uname_config = images->fit_uname_cfg; 799 const char *fit_uname_ramdisk = NULL; 800 ulong default_addr; 801 int rd_noffset; 802 #endif 803 const char *select = NULL; 804 805 *rd_start = 0; 806 *rd_end = 0; 807 808 if (argc >= 2) 809 select = argv[1]; 810 /* 811 * Look for a '-' which indicates to ignore the 812 * ramdisk argument 813 */ 814 if (select && strcmp(select, "-") == 0) { 815 debug("## Skipping init Ramdisk\n"); 816 rd_len = rd_data = 0; 817 } else if (select || genimg_has_config(images)) { 818 #if defined(CONFIG_FIT) 819 if (select) { 820 /* 821 * If the init ramdisk comes from the FIT image and 822 * the FIT image address is omitted in the command 823 * line argument, try to use os FIT image address or 824 * default load address. 825 */ 826 if (images->fit_uname_os) 827 default_addr = (ulong)images->fit_hdr_os; 828 else 829 default_addr = load_addr; 830 831 if (fit_parse_conf(select, default_addr, 832 &rd_addr, &fit_uname_config)) { 833 debug("* ramdisk: config '%s' from image at " 834 "0x%08lx\n", 835 fit_uname_config, rd_addr); 836 } else if (fit_parse_subimage(select, default_addr, 837 &rd_addr, &fit_uname_ramdisk)) { 838 debug("* ramdisk: subimage '%s' from image at " 839 "0x%08lx\n", 840 fit_uname_ramdisk, rd_addr); 841 } else 842 #endif 843 { 844 rd_addr = simple_strtoul(select, NULL, 16); 845 debug("* ramdisk: cmdline image address = " 846 "0x%08lx\n", 847 rd_addr); 848 } 849 #if defined(CONFIG_FIT) 850 } else { 851 /* use FIT configuration provided in first bootm 852 * command argument. If the property is not defined, 853 * quit silently. 854 */ 855 rd_addr = map_to_sysmem(images->fit_hdr_os); 856 rd_noffset = fit_get_node_from_config(images, 857 FIT_RAMDISK_PROP, rd_addr); 858 if (rd_noffset == -ENOLINK) 859 return 0; 860 else if (rd_noffset < 0) 861 return 1; 862 } 863 #endif 864 865 /* copy from dataflash if needed */ 866 rd_addr = genimg_get_image(rd_addr); 867 868 /* 869 * Check if there is an initrd image at the 870 * address provided in the second bootm argument 871 * check image type, for FIT images get FIT node. 872 */ 873 buf = map_sysmem(rd_addr, 0); 874 switch (genimg_get_format(buf)) { 875 case IMAGE_FORMAT_LEGACY: 876 printf("## Loading init Ramdisk from Legacy " 877 "Image at %08lx ...\n", rd_addr); 878 879 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 880 rd_hdr = image_get_ramdisk(rd_addr, arch, 881 images->verify); 882 883 if (rd_hdr == NULL) 884 return 1; 885 886 rd_data = image_get_data(rd_hdr); 887 rd_len = image_get_data_size(rd_hdr); 888 rd_load = image_get_load(rd_hdr); 889 break; 890 #if defined(CONFIG_FIT) 891 case IMAGE_FORMAT_FIT: 892 rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP, 893 rd_addr, &fit_uname_ramdisk, 894 &fit_uname_config, arch, 895 IH_TYPE_RAMDISK, 896 BOOTSTAGE_ID_FIT_RD_START, 897 FIT_LOAD_IGNORED, &rd_data, &rd_len); 898 if (rd_noffset < 0) 899 return 1; 900 901 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 902 images->fit_uname_rd = fit_uname_ramdisk; 903 images->fit_noffset_rd = rd_noffset; 904 break; 905 #endif 906 default: 907 #ifdef CONFIG_SUPPORT_RAW_INITRD 908 end = NULL; 909 if (select) 910 end = strchr(select, ':'); 911 if (end) { 912 rd_len = simple_strtoul(++end, NULL, 16); 913 rd_data = rd_addr; 914 } else 915 #endif 916 { 917 puts("Wrong Ramdisk Image Format\n"); 918 rd_data = rd_len = rd_load = 0; 919 return 1; 920 } 921 } 922 } else if (images->legacy_hdr_valid && 923 image_check_type(&images->legacy_hdr_os_copy, 924 IH_TYPE_MULTI)) { 925 926 /* 927 * Now check if we have a legacy mult-component image, 928 * get second entry data start address and len. 929 */ 930 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 931 printf("## Loading init Ramdisk from multi component " 932 "Legacy Image at %08lx ...\n", 933 (ulong)images->legacy_hdr_os); 934 935 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 936 } else { 937 /* 938 * no initrd image 939 */ 940 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 941 rd_len = rd_data = 0; 942 } 943 944 if (!rd_data) { 945 debug("## No init Ramdisk\n"); 946 } else { 947 *rd_start = rd_data; 948 *rd_end = rd_data + rd_len; 949 } 950 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 951 *rd_start, *rd_end); 952 953 return 0; 954 } 955 956 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 957 /** 958 * boot_ramdisk_high - relocate init ramdisk 959 * @lmb: pointer to lmb handle, will be used for memory mgmt 960 * @rd_data: ramdisk data start address 961 * @rd_len: ramdisk data length 962 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 963 * start address (after possible relocation) 964 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 965 * end address (after possible relocation) 966 * 967 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 968 * variable and if requested ramdisk data is moved to a specified location. 969 * 970 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 971 * start/end addresses if ramdisk image start and len were provided, 972 * otherwise set initrd_start and initrd_end set to zeros. 973 * 974 * returns: 975 * 0 - success 976 * -1 - failure 977 */ 978 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 979 ulong *initrd_start, ulong *initrd_end) 980 { 981 char *s; 982 ulong initrd_high; 983 int initrd_copy_to_ram = 1; 984 985 if ((s = getenv("initrd_high")) != NULL) { 986 /* a value of "no" or a similar string will act like 0, 987 * turning the "load high" feature off. This is intentional. 988 */ 989 initrd_high = simple_strtoul(s, NULL, 16); 990 if (initrd_high == ~0) 991 initrd_copy_to_ram = 0; 992 } else { 993 /* not set, no restrictions to load high */ 994 initrd_high = ~0; 995 } 996 997 998 #ifdef CONFIG_LOGBUFFER 999 /* Prevent initrd from overwriting logbuffer */ 1000 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1001 #endif 1002 1003 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1004 initrd_high, initrd_copy_to_ram); 1005 1006 if (rd_data) { 1007 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1008 debug(" in-place initrd\n"); 1009 *initrd_start = rd_data; 1010 *initrd_end = rd_data + rd_len; 1011 lmb_reserve(lmb, rd_data, rd_len); 1012 } else { 1013 if (initrd_high) 1014 *initrd_start = (ulong)lmb_alloc_base(lmb, 1015 rd_len, 0x1000, initrd_high); 1016 else 1017 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1018 0x1000); 1019 1020 if (*initrd_start == 0) { 1021 puts("ramdisk - allocation error\n"); 1022 goto error; 1023 } 1024 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1025 1026 *initrd_end = *initrd_start + rd_len; 1027 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1028 *initrd_start, *initrd_end); 1029 1030 memmove_wd((void *)*initrd_start, 1031 (void *)rd_data, rd_len, CHUNKSZ); 1032 1033 #ifdef CONFIG_MP 1034 /* 1035 * Ensure the image is flushed to memory to handle 1036 * AMP boot scenarios in which we might not be 1037 * HW cache coherent 1038 */ 1039 flush_cache((unsigned long)*initrd_start, rd_len); 1040 #endif 1041 puts("OK\n"); 1042 } 1043 } else { 1044 *initrd_start = 0; 1045 *initrd_end = 0; 1046 } 1047 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1048 *initrd_start, *initrd_end); 1049 1050 return 0; 1051 1052 error: 1053 return -1; 1054 } 1055 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1056 1057 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1058 /** 1059 * boot_get_cmdline - allocate and initialize kernel cmdline 1060 * @lmb: pointer to lmb handle, will be used for memory mgmt 1061 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1062 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1063 * 1064 * boot_get_cmdline() allocates space for kernel command line below 1065 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1066 * variable is present its contents is copied to allocated kernel 1067 * command line. 1068 * 1069 * returns: 1070 * 0 - success 1071 * -1 - failure 1072 */ 1073 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1074 { 1075 char *cmdline; 1076 char *s; 1077 1078 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1079 getenv_bootm_mapsize() + getenv_bootm_low()); 1080 1081 if (cmdline == NULL) 1082 return -1; 1083 1084 if ((s = getenv("bootargs")) == NULL) 1085 s = ""; 1086 1087 strcpy(cmdline, s); 1088 1089 *cmd_start = (ulong) & cmdline[0]; 1090 *cmd_end = *cmd_start + strlen(cmdline); 1091 1092 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1093 1094 return 0; 1095 } 1096 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1097 1098 #ifdef CONFIG_SYS_BOOT_GET_KBD 1099 /** 1100 * boot_get_kbd - allocate and initialize kernel copy of board info 1101 * @lmb: pointer to lmb handle, will be used for memory mgmt 1102 * @kbd: double pointer to board info data 1103 * 1104 * boot_get_kbd() allocates space for kernel copy of board info data below 1105 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1106 * with the current u-boot board info data. 1107 * 1108 * returns: 1109 * 0 - success 1110 * -1 - failure 1111 */ 1112 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1113 { 1114 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1115 getenv_bootm_mapsize() + getenv_bootm_low()); 1116 if (*kbd == NULL) 1117 return -1; 1118 1119 **kbd = *(gd->bd); 1120 1121 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1122 1123 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1124 do_bdinfo(NULL, 0, 0, NULL); 1125 #endif 1126 1127 return 0; 1128 } 1129 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1130 1131 #ifdef CONFIG_LMB 1132 int image_setup_linux(bootm_headers_t *images) 1133 { 1134 ulong of_size = images->ft_len; 1135 char **of_flat_tree = &images->ft_addr; 1136 ulong *initrd_start = &images->initrd_start; 1137 ulong *initrd_end = &images->initrd_end; 1138 struct lmb *lmb = &images->lmb; 1139 ulong rd_len; 1140 int ret; 1141 1142 if (IMAGE_ENABLE_OF_LIBFDT) 1143 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1144 1145 if (IMAGE_BOOT_GET_CMDLINE) { 1146 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1147 &images->cmdline_end); 1148 if (ret) { 1149 puts("ERROR with allocation of cmdline\n"); 1150 return ret; 1151 } 1152 } 1153 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1154 rd_len = images->rd_end - images->rd_start; 1155 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1156 initrd_start, initrd_end); 1157 if (ret) 1158 return ret; 1159 } 1160 1161 if (IMAGE_ENABLE_OF_LIBFDT) { 1162 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1163 if (ret) 1164 return ret; 1165 } 1166 1167 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1168 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1169 if (ret) 1170 return ret; 1171 } 1172 1173 return 0; 1174 } 1175 #endif /* CONFIG_LMB */ 1176 #endif /* !USE_HOSTCC */ 1177