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 { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, 139 { -1, "", "", }, 140 }; 141 142 static const 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 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 147 { IH_COMP_LZO, "lzo", "lzo compressed", }, 148 { -1, "", "", }, 149 }; 150 151 /*****************************************************************************/ 152 /* Legacy format routines */ 153 /*****************************************************************************/ 154 int image_check_hcrc(const image_header_t *hdr) 155 { 156 ulong hcrc; 157 ulong len = image_get_header_size(); 158 image_header_t header; 159 160 /* Copy header so we can blank CRC field for re-calculation */ 161 memmove(&header, (char *)hdr, image_get_header_size()); 162 image_set_hcrc(&header, 0); 163 164 hcrc = crc32(0, (unsigned char *)&header, len); 165 166 return (hcrc == image_get_hcrc(hdr)); 167 } 168 169 int image_check_dcrc(const image_header_t *hdr) 170 { 171 ulong data = image_get_data(hdr); 172 ulong len = image_get_data_size(hdr); 173 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 174 175 return (dcrc == image_get_dcrc(hdr)); 176 } 177 178 /** 179 * image_multi_count - get component (sub-image) count 180 * @hdr: pointer to the header of the multi component image 181 * 182 * image_multi_count() returns number of components in a multi 183 * component image. 184 * 185 * Note: no checking of the image type is done, caller must pass 186 * a valid multi component image. 187 * 188 * returns: 189 * number of components 190 */ 191 ulong image_multi_count(const image_header_t *hdr) 192 { 193 ulong i, count = 0; 194 uint32_t *size; 195 196 /* get start of the image payload, which in case of multi 197 * component images that points to a table of component sizes */ 198 size = (uint32_t *)image_get_data(hdr); 199 200 /* count non empty slots */ 201 for (i = 0; size[i]; ++i) 202 count++; 203 204 return count; 205 } 206 207 /** 208 * image_multi_getimg - get component data address and size 209 * @hdr: pointer to the header of the multi component image 210 * @idx: index of the requested component 211 * @data: pointer to a ulong variable, will hold component data address 212 * @len: pointer to a ulong variable, will hold component size 213 * 214 * image_multi_getimg() returns size and data address for the requested 215 * component in a multi component image. 216 * 217 * Note: no checking of the image type is done, caller must pass 218 * a valid multi component image. 219 * 220 * returns: 221 * data address and size of the component, if idx is valid 222 * 0 in data and len, if idx is out of range 223 */ 224 void image_multi_getimg(const image_header_t *hdr, ulong idx, 225 ulong *data, ulong *len) 226 { 227 int i; 228 uint32_t *size; 229 ulong offset, count, img_data; 230 231 /* get number of component */ 232 count = image_multi_count(hdr); 233 234 /* get start of the image payload, which in case of multi 235 * component images that points to a table of component sizes */ 236 size = (uint32_t *)image_get_data(hdr); 237 238 /* get address of the proper component data start, which means 239 * skipping sizes table (add 1 for last, null entry) */ 240 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 241 242 if (idx < count) { 243 *len = uimage_to_cpu(size[idx]); 244 offset = 0; 245 246 /* go over all indices preceding requested component idx */ 247 for (i = 0; i < idx; i++) { 248 /* add up i-th component size, rounding up to 4 bytes */ 249 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 250 } 251 252 /* calculate idx-th component data address */ 253 *data = img_data + offset; 254 } else { 255 *len = 0; 256 *data = 0; 257 } 258 } 259 260 static void image_print_type(const image_header_t *hdr) 261 { 262 const char *os, *arch, *type, *comp; 263 264 os = genimg_get_os_name(image_get_os(hdr)); 265 arch = genimg_get_arch_name(image_get_arch(hdr)); 266 type = genimg_get_type_name(image_get_type(hdr)); 267 comp = genimg_get_comp_name(image_get_comp(hdr)); 268 269 printf("%s %s %s (%s)\n", arch, os, type, comp); 270 } 271 272 /** 273 * image_print_contents - prints out the contents of the legacy format image 274 * @ptr: pointer to the legacy format image header 275 * @p: pointer to prefix string 276 * 277 * image_print_contents() formats a multi line legacy image contents description. 278 * The routine prints out all header fields followed by the size/offset data 279 * for MULTI/SCRIPT images. 280 * 281 * returns: 282 * no returned results 283 */ 284 void image_print_contents(const void *ptr) 285 { 286 const image_header_t *hdr = (const image_header_t *)ptr; 287 const char *p; 288 289 p = IMAGE_INDENT_STRING; 290 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 291 if (IMAGE_ENABLE_TIMESTAMP) { 292 printf("%sCreated: ", p); 293 genimg_print_time((time_t)image_get_time(hdr)); 294 } 295 printf("%sImage Type: ", p); 296 image_print_type(hdr); 297 printf("%sData Size: ", p); 298 genimg_print_size(image_get_data_size(hdr)); 299 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 300 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 301 302 if (image_check_type(hdr, IH_TYPE_MULTI) || 303 image_check_type(hdr, IH_TYPE_SCRIPT)) { 304 int i; 305 ulong data, len; 306 ulong count = image_multi_count(hdr); 307 308 printf("%sContents:\n", p); 309 for (i = 0; i < count; i++) { 310 image_multi_getimg(hdr, i, &data, &len); 311 312 printf("%s Image %d: ", p, i); 313 genimg_print_size(len); 314 315 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 316 /* 317 * the user may need to know offsets 318 * if planning to do something with 319 * multiple files 320 */ 321 printf("%s Offset = 0x%08lx\n", p, data); 322 } 323 } 324 } 325 } 326 327 328 #ifndef USE_HOSTCC 329 /** 330 * image_get_ramdisk - get and verify ramdisk image 331 * @rd_addr: ramdisk image start address 332 * @arch: expected ramdisk architecture 333 * @verify: checksum verification flag 334 * 335 * image_get_ramdisk() returns a pointer to the verified ramdisk image 336 * header. Routine receives image start address and expected architecture 337 * flag. Verification done covers data and header integrity and os/type/arch 338 * fields checking. 339 * 340 * If dataflash support is enabled routine checks for dataflash addresses 341 * and handles required dataflash reads. 342 * 343 * returns: 344 * pointer to a ramdisk image header, if image was found and valid 345 * otherwise, return NULL 346 */ 347 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 348 int verify) 349 { 350 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 351 352 if (!image_check_magic(rd_hdr)) { 353 puts("Bad Magic Number\n"); 354 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 355 return NULL; 356 } 357 358 if (!image_check_hcrc(rd_hdr)) { 359 puts("Bad Header Checksum\n"); 360 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 361 return NULL; 362 } 363 364 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 365 image_print_contents(rd_hdr); 366 367 if (verify) { 368 puts(" Verifying Checksum ... "); 369 if (!image_check_dcrc(rd_hdr)) { 370 puts("Bad Data CRC\n"); 371 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 372 return NULL; 373 } 374 puts("OK\n"); 375 } 376 377 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 378 379 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 380 !image_check_arch(rd_hdr, arch) || 381 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 382 printf("No Linux %s Ramdisk Image\n", 383 genimg_get_arch_name(arch)); 384 bootstage_error(BOOTSTAGE_ID_RAMDISK); 385 return NULL; 386 } 387 388 return rd_hdr; 389 } 390 #endif /* !USE_HOSTCC */ 391 392 /*****************************************************************************/ 393 /* Shared dual-format routines */ 394 /*****************************************************************************/ 395 #ifndef USE_HOSTCC 396 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 397 ulong save_addr; /* Default Save Address */ 398 ulong save_size; /* Default Save Size (in bytes) */ 399 400 static int on_loadaddr(const char *name, const char *value, enum env_op op, 401 int flags) 402 { 403 switch (op) { 404 case env_op_create: 405 case env_op_overwrite: 406 load_addr = simple_strtoul(value, NULL, 16); 407 break; 408 default: 409 break; 410 } 411 412 return 0; 413 } 414 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 415 416 ulong getenv_bootm_low(void) 417 { 418 char *s = getenv("bootm_low"); 419 if (s) { 420 ulong tmp = simple_strtoul(s, NULL, 16); 421 return tmp; 422 } 423 424 #if defined(CONFIG_SYS_SDRAM_BASE) 425 return CONFIG_SYS_SDRAM_BASE; 426 #elif defined(CONFIG_ARM) 427 return gd->bd->bi_dram[0].start; 428 #else 429 return 0; 430 #endif 431 } 432 433 phys_size_t getenv_bootm_size(void) 434 { 435 phys_size_t tmp; 436 char *s = getenv("bootm_size"); 437 if (s) { 438 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 439 return tmp; 440 } 441 s = getenv("bootm_low"); 442 if (s) 443 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 444 else 445 tmp = 0; 446 447 448 #if defined(CONFIG_ARM) 449 return gd->bd->bi_dram[0].size - tmp; 450 #else 451 return gd->bd->bi_memsize - tmp; 452 #endif 453 } 454 455 phys_size_t getenv_bootm_mapsize(void) 456 { 457 phys_size_t tmp; 458 char *s = getenv("bootm_mapsize"); 459 if (s) { 460 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 461 return tmp; 462 } 463 464 #if defined(CONFIG_SYS_BOOTMAPSZ) 465 return CONFIG_SYS_BOOTMAPSZ; 466 #else 467 return getenv_bootm_size(); 468 #endif 469 } 470 471 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 472 { 473 if (to == from) 474 return; 475 476 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 477 while (len > 0) { 478 size_t tail = (len > chunksz) ? chunksz : len; 479 WATCHDOG_RESET(); 480 memmove(to, from, tail); 481 to += tail; 482 from += tail; 483 len -= tail; 484 } 485 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 486 memmove(to, from, len); 487 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 488 } 489 #endif /* !USE_HOSTCC */ 490 491 void genimg_print_size(uint32_t size) 492 { 493 #ifndef USE_HOSTCC 494 printf("%d Bytes = ", size); 495 print_size(size, "\n"); 496 #else 497 printf("%d Bytes = %.2f kB = %.2f MB\n", 498 size, (double)size / 1.024e3, 499 (double)size / 1.048576e6); 500 #endif 501 } 502 503 #if IMAGE_ENABLE_TIMESTAMP 504 void genimg_print_time(time_t timestamp) 505 { 506 #ifndef USE_HOSTCC 507 struct rtc_time tm; 508 509 to_tm(timestamp, &tm); 510 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 511 tm.tm_year, tm.tm_mon, tm.tm_mday, 512 tm.tm_hour, tm.tm_min, tm.tm_sec); 513 #else 514 printf("%s", ctime(×tamp)); 515 #endif 516 } 517 #endif 518 519 /** 520 * get_table_entry_name - translate entry id to long name 521 * @table: pointer to a translation table for entries of a specific type 522 * @msg: message to be returned when translation fails 523 * @id: entry id to be translated 524 * 525 * get_table_entry_name() will go over translation table trying to find 526 * entry that matches given id. If matching entry is found, its long 527 * name is returned to the caller. 528 * 529 * returns: 530 * long entry name if translation succeeds 531 * msg otherwise 532 */ 533 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 534 { 535 for (; table->id >= 0; ++table) { 536 if (table->id == id) 537 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 538 return table->lname; 539 #else 540 return table->lname + gd->reloc_off; 541 #endif 542 } 543 return (msg); 544 } 545 546 const char *genimg_get_os_name(uint8_t os) 547 { 548 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 549 } 550 551 const char *genimg_get_arch_name(uint8_t arch) 552 { 553 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 554 arch)); 555 } 556 557 const char *genimg_get_type_name(uint8_t type) 558 { 559 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 560 } 561 562 const char *genimg_get_comp_name(uint8_t comp) 563 { 564 return (get_table_entry_name(uimage_comp, "Unknown Compression", 565 comp)); 566 } 567 568 /** 569 * get_table_entry_id - translate short entry name to id 570 * @table: pointer to a translation table for entries of a specific type 571 * @table_name: to be used in case of error 572 * @name: entry short name to be translated 573 * 574 * get_table_entry_id() will go over translation table trying to find 575 * entry that matches given short name. If matching entry is found, 576 * its id returned to the caller. 577 * 578 * returns: 579 * entry id if translation succeeds 580 * -1 otherwise 581 */ 582 int get_table_entry_id(const table_entry_t *table, 583 const char *table_name, const char *name) 584 { 585 const table_entry_t *t; 586 #ifdef USE_HOSTCC 587 int first = 1; 588 589 for (t = table; t->id >= 0; ++t) { 590 if (t->sname && strcasecmp(t->sname, name) == 0) 591 return(t->id); 592 } 593 594 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 595 for (t = table; t->id >= 0; ++t) { 596 if (t->sname == NULL) 597 continue; 598 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 599 first = 0; 600 } 601 fprintf(stderr, "\n"); 602 #else 603 for (t = table; t->id >= 0; ++t) { 604 #ifdef CONFIG_NEEDS_MANUAL_RELOC 605 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 606 #else 607 if (t->sname && strcmp(t->sname, name) == 0) 608 #endif 609 return (t->id); 610 } 611 debug("Invalid %s Type: %s\n", table_name, name); 612 #endif /* USE_HOSTCC */ 613 return (-1); 614 } 615 616 int genimg_get_os_id(const char *name) 617 { 618 return (get_table_entry_id(uimage_os, "OS", name)); 619 } 620 621 int genimg_get_arch_id(const char *name) 622 { 623 return (get_table_entry_id(uimage_arch, "CPU", name)); 624 } 625 626 int genimg_get_type_id(const char *name) 627 { 628 return (get_table_entry_id(uimage_type, "Image", name)); 629 } 630 631 int genimg_get_comp_id(const char *name) 632 { 633 return (get_table_entry_id(uimage_comp, "Compression", name)); 634 } 635 636 #ifndef USE_HOSTCC 637 /** 638 * genimg_get_format - get image format type 639 * @img_addr: image start address 640 * 641 * genimg_get_format() checks whether provided address points to a valid 642 * legacy or FIT image. 643 * 644 * New uImage format and FDT blob are based on a libfdt. FDT blob 645 * may be passed directly or embedded in a FIT image. In both situations 646 * genimg_get_format() must be able to dectect libfdt header. 647 * 648 * returns: 649 * image format type or IMAGE_FORMAT_INVALID if no image is present 650 */ 651 int genimg_get_format(const void *img_addr) 652 { 653 ulong format = IMAGE_FORMAT_INVALID; 654 const image_header_t *hdr; 655 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 656 char *fit_hdr; 657 #endif 658 659 hdr = (const image_header_t *)img_addr; 660 if (image_check_magic(hdr)) 661 format = IMAGE_FORMAT_LEGACY; 662 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 663 else { 664 fit_hdr = (char *)img_addr; 665 if (fdt_check_header(fit_hdr) == 0) 666 format = IMAGE_FORMAT_FIT; 667 } 668 #endif 669 670 return format; 671 } 672 673 /** 674 * genimg_get_image - get image from special storage (if necessary) 675 * @img_addr: image start address 676 * 677 * genimg_get_image() checks if provided image start adddress is located 678 * in a dataflash storage. If so, image is moved to a system RAM memory. 679 * 680 * returns: 681 * image start address after possible relocation from special storage 682 */ 683 ulong genimg_get_image(ulong img_addr) 684 { 685 ulong ram_addr = img_addr; 686 687 #ifdef CONFIG_HAS_DATAFLASH 688 ulong h_size, d_size; 689 690 if (addr_dataflash(img_addr)) { 691 void *buf; 692 693 /* ger RAM address */ 694 ram_addr = CONFIG_SYS_LOAD_ADDR; 695 696 /* get header size */ 697 h_size = image_get_header_size(); 698 #if defined(CONFIG_FIT) 699 if (sizeof(struct fdt_header) > h_size) 700 h_size = sizeof(struct fdt_header); 701 #endif 702 703 /* read in header */ 704 debug(" Reading image header from dataflash address " 705 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 706 707 buf = map_sysmem(ram_addr, 0); 708 read_dataflash(img_addr, h_size, buf); 709 710 /* get data size */ 711 switch (genimg_get_format(buf)) { 712 case IMAGE_FORMAT_LEGACY: 713 d_size = image_get_data_size(buf); 714 debug(" Legacy format image found at 0x%08lx, " 715 "size 0x%08lx\n", 716 ram_addr, d_size); 717 break; 718 #if defined(CONFIG_FIT) 719 case IMAGE_FORMAT_FIT: 720 d_size = fit_get_size(buf) - h_size; 721 debug(" FIT/FDT format image found at 0x%08lx, " 722 "size 0x%08lx\n", 723 ram_addr, d_size); 724 break; 725 #endif 726 default: 727 printf(" No valid image found at 0x%08lx\n", 728 img_addr); 729 return ram_addr; 730 } 731 732 /* read in image data */ 733 debug(" Reading image remaining data from dataflash address " 734 "%08lx to RAM address %08lx\n", img_addr + h_size, 735 ram_addr + h_size); 736 737 read_dataflash(img_addr + h_size, d_size, 738 (char *)(buf + h_size)); 739 740 } 741 #endif /* CONFIG_HAS_DATAFLASH */ 742 743 return ram_addr; 744 } 745 746 /** 747 * fit_has_config - check if there is a valid FIT configuration 748 * @images: pointer to the bootm command headers structure 749 * 750 * fit_has_config() checks if there is a FIT configuration in use 751 * (if FTI support is present). 752 * 753 * returns: 754 * 0, no FIT support or no configuration found 755 * 1, configuration found 756 */ 757 int genimg_has_config(bootm_headers_t *images) 758 { 759 #if defined(CONFIG_FIT) 760 if (images->fit_uname_cfg) 761 return 1; 762 #endif 763 return 0; 764 } 765 766 /** 767 * boot_get_ramdisk - main ramdisk handling routine 768 * @argc: command argument count 769 * @argv: command argument list 770 * @images: pointer to the bootm images structure 771 * @arch: expected ramdisk architecture 772 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 773 * @rd_end: pointer to a ulong variable, will hold ramdisk end 774 * 775 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 776 * Curently supported are the following ramdisk sources: 777 * - multicomponent kernel/ramdisk image, 778 * - commandline provided address of decicated ramdisk image. 779 * 780 * returns: 781 * 0, if ramdisk image was found and valid, or skiped 782 * rd_start and rd_end are set to ramdisk start/end addresses if 783 * ramdisk image is found and valid 784 * 785 * 1, if ramdisk image is found but corrupted, or invalid 786 * rd_start and rd_end are set to 0 if no ramdisk exists 787 */ 788 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 789 uint8_t arch, ulong *rd_start, ulong *rd_end) 790 { 791 ulong rd_addr, rd_load; 792 ulong rd_data, rd_len; 793 const image_header_t *rd_hdr; 794 void *buf; 795 #ifdef CONFIG_SUPPORT_RAW_INITRD 796 char *end; 797 #endif 798 #if defined(CONFIG_FIT) 799 const char *fit_uname_config = images->fit_uname_cfg; 800 const char *fit_uname_ramdisk = NULL; 801 ulong default_addr; 802 int rd_noffset; 803 #endif 804 const char *select = NULL; 805 806 *rd_start = 0; 807 *rd_end = 0; 808 809 if (argc >= 2) 810 select = argv[1]; 811 /* 812 * Look for a '-' which indicates to ignore the 813 * ramdisk argument 814 */ 815 if (select && strcmp(select, "-") == 0) { 816 debug("## Skipping init Ramdisk\n"); 817 rd_len = rd_data = 0; 818 } else if (select || genimg_has_config(images)) { 819 #if defined(CONFIG_FIT) 820 if (select) { 821 /* 822 * If the init ramdisk comes from the FIT image and 823 * the FIT image address is omitted in the command 824 * line argument, try to use os FIT image address or 825 * default load address. 826 */ 827 if (images->fit_uname_os) 828 default_addr = (ulong)images->fit_hdr_os; 829 else 830 default_addr = load_addr; 831 832 if (fit_parse_conf(select, default_addr, 833 &rd_addr, &fit_uname_config)) { 834 debug("* ramdisk: config '%s' from image at " 835 "0x%08lx\n", 836 fit_uname_config, rd_addr); 837 } else if (fit_parse_subimage(select, default_addr, 838 &rd_addr, &fit_uname_ramdisk)) { 839 debug("* ramdisk: subimage '%s' from image at " 840 "0x%08lx\n", 841 fit_uname_ramdisk, rd_addr); 842 } else 843 #endif 844 { 845 rd_addr = simple_strtoul(select, NULL, 16); 846 debug("* ramdisk: cmdline image address = " 847 "0x%08lx\n", 848 rd_addr); 849 } 850 #if defined(CONFIG_FIT) 851 } else { 852 /* use FIT configuration provided in first bootm 853 * command argument. If the property is not defined, 854 * quit silently. 855 */ 856 rd_addr = map_to_sysmem(images->fit_hdr_os); 857 rd_noffset = fit_get_node_from_config(images, 858 FIT_RAMDISK_PROP, rd_addr); 859 if (rd_noffset == -ENOLINK) 860 return 0; 861 else if (rd_noffset < 0) 862 return 1; 863 } 864 #endif 865 866 /* copy from dataflash if needed */ 867 rd_addr = genimg_get_image(rd_addr); 868 869 /* 870 * Check if there is an initrd image at the 871 * address provided in the second bootm argument 872 * check image type, for FIT images get FIT node. 873 */ 874 buf = map_sysmem(rd_addr, 0); 875 switch (genimg_get_format(buf)) { 876 case IMAGE_FORMAT_LEGACY: 877 printf("## Loading init Ramdisk from Legacy " 878 "Image at %08lx ...\n", rd_addr); 879 880 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 881 rd_hdr = image_get_ramdisk(rd_addr, arch, 882 images->verify); 883 884 if (rd_hdr == NULL) 885 return 1; 886 887 rd_data = image_get_data(rd_hdr); 888 rd_len = image_get_data_size(rd_hdr); 889 rd_load = image_get_load(rd_hdr); 890 break; 891 #if defined(CONFIG_FIT) 892 case IMAGE_FORMAT_FIT: 893 rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP, 894 rd_addr, &fit_uname_ramdisk, 895 &fit_uname_config, arch, 896 IH_TYPE_RAMDISK, 897 BOOTSTAGE_ID_FIT_RD_START, 898 FIT_LOAD_IGNORED, &rd_data, &rd_len); 899 if (rd_noffset < 0) 900 return 1; 901 902 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 903 images->fit_uname_rd = fit_uname_ramdisk; 904 images->fit_noffset_rd = rd_noffset; 905 break; 906 #endif 907 default: 908 #ifdef CONFIG_SUPPORT_RAW_INITRD 909 end = NULL; 910 if (select) 911 end = strchr(select, ':'); 912 if (end) { 913 rd_len = simple_strtoul(++end, NULL, 16); 914 rd_data = rd_addr; 915 } else 916 #endif 917 { 918 puts("Wrong Ramdisk Image Format\n"); 919 rd_data = rd_len = rd_load = 0; 920 return 1; 921 } 922 } 923 } else if (images->legacy_hdr_valid && 924 image_check_type(&images->legacy_hdr_os_copy, 925 IH_TYPE_MULTI)) { 926 927 /* 928 * Now check if we have a legacy mult-component image, 929 * get second entry data start address and len. 930 */ 931 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 932 printf("## Loading init Ramdisk from multi component " 933 "Legacy Image at %08lx ...\n", 934 (ulong)images->legacy_hdr_os); 935 936 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 937 } else { 938 /* 939 * no initrd image 940 */ 941 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 942 rd_len = rd_data = 0; 943 } 944 945 if (!rd_data) { 946 debug("## No init Ramdisk\n"); 947 } else { 948 *rd_start = rd_data; 949 *rd_end = rd_data + rd_len; 950 } 951 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 952 *rd_start, *rd_end); 953 954 return 0; 955 } 956 957 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 958 /** 959 * boot_ramdisk_high - relocate init ramdisk 960 * @lmb: pointer to lmb handle, will be used for memory mgmt 961 * @rd_data: ramdisk data start address 962 * @rd_len: ramdisk data length 963 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 964 * start address (after possible relocation) 965 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 966 * end address (after possible relocation) 967 * 968 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 969 * variable and if requested ramdisk data is moved to a specified location. 970 * 971 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 972 * start/end addresses if ramdisk image start and len were provided, 973 * otherwise set initrd_start and initrd_end set to zeros. 974 * 975 * returns: 976 * 0 - success 977 * -1 - failure 978 */ 979 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 980 ulong *initrd_start, ulong *initrd_end) 981 { 982 char *s; 983 ulong initrd_high; 984 int initrd_copy_to_ram = 1; 985 986 if ((s = getenv("initrd_high")) != NULL) { 987 /* a value of "no" or a similar string will act like 0, 988 * turning the "load high" feature off. This is intentional. 989 */ 990 initrd_high = simple_strtoul(s, NULL, 16); 991 if (initrd_high == ~0) 992 initrd_copy_to_ram = 0; 993 } else { 994 /* not set, no restrictions to load high */ 995 initrd_high = ~0; 996 } 997 998 999 #ifdef CONFIG_LOGBUFFER 1000 /* Prevent initrd from overwriting logbuffer */ 1001 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1002 #endif 1003 1004 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1005 initrd_high, initrd_copy_to_ram); 1006 1007 if (rd_data) { 1008 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1009 debug(" in-place initrd\n"); 1010 *initrd_start = rd_data; 1011 *initrd_end = rd_data + rd_len; 1012 lmb_reserve(lmb, rd_data, rd_len); 1013 } else { 1014 if (initrd_high) 1015 *initrd_start = (ulong)lmb_alloc_base(lmb, 1016 rd_len, 0x1000, initrd_high); 1017 else 1018 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1019 0x1000); 1020 1021 if (*initrd_start == 0) { 1022 puts("ramdisk - allocation error\n"); 1023 goto error; 1024 } 1025 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1026 1027 *initrd_end = *initrd_start + rd_len; 1028 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1029 *initrd_start, *initrd_end); 1030 1031 memmove_wd((void *)*initrd_start, 1032 (void *)rd_data, rd_len, CHUNKSZ); 1033 1034 #ifdef CONFIG_MP 1035 /* 1036 * Ensure the image is flushed to memory to handle 1037 * AMP boot scenarios in which we might not be 1038 * HW cache coherent 1039 */ 1040 flush_cache((unsigned long)*initrd_start, rd_len); 1041 #endif 1042 puts("OK\n"); 1043 } 1044 } else { 1045 *initrd_start = 0; 1046 *initrd_end = 0; 1047 } 1048 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1049 *initrd_start, *initrd_end); 1050 1051 return 0; 1052 1053 error: 1054 return -1; 1055 } 1056 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1057 1058 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1059 /** 1060 * boot_get_cmdline - allocate and initialize kernel cmdline 1061 * @lmb: pointer to lmb handle, will be used for memory mgmt 1062 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1063 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1064 * 1065 * boot_get_cmdline() allocates space for kernel command line below 1066 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1067 * variable is present its contents is copied to allocated kernel 1068 * command line. 1069 * 1070 * returns: 1071 * 0 - success 1072 * -1 - failure 1073 */ 1074 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1075 { 1076 char *cmdline; 1077 char *s; 1078 1079 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1080 getenv_bootm_mapsize() + getenv_bootm_low()); 1081 1082 if (cmdline == NULL) 1083 return -1; 1084 1085 if ((s = getenv("bootargs")) == NULL) 1086 s = ""; 1087 1088 strcpy(cmdline, s); 1089 1090 *cmd_start = (ulong) & cmdline[0]; 1091 *cmd_end = *cmd_start + strlen(cmdline); 1092 1093 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1094 1095 return 0; 1096 } 1097 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1098 1099 #ifdef CONFIG_SYS_BOOT_GET_KBD 1100 /** 1101 * boot_get_kbd - allocate and initialize kernel copy of board info 1102 * @lmb: pointer to lmb handle, will be used for memory mgmt 1103 * @kbd: double pointer to board info data 1104 * 1105 * boot_get_kbd() allocates space for kernel copy of board info data below 1106 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1107 * with the current u-boot board info data. 1108 * 1109 * returns: 1110 * 0 - success 1111 * -1 - failure 1112 */ 1113 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1114 { 1115 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1116 getenv_bootm_mapsize() + getenv_bootm_low()); 1117 if (*kbd == NULL) 1118 return -1; 1119 1120 **kbd = *(gd->bd); 1121 1122 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1123 1124 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1125 do_bdinfo(NULL, 0, 0, NULL); 1126 #endif 1127 1128 return 0; 1129 } 1130 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1131 1132 #ifdef CONFIG_LMB 1133 int image_setup_linux(bootm_headers_t *images) 1134 { 1135 ulong of_size = images->ft_len; 1136 char **of_flat_tree = &images->ft_addr; 1137 ulong *initrd_start = &images->initrd_start; 1138 ulong *initrd_end = &images->initrd_end; 1139 struct lmb *lmb = &images->lmb; 1140 ulong rd_len; 1141 int ret; 1142 1143 if (IMAGE_ENABLE_OF_LIBFDT) 1144 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1145 1146 if (IMAGE_BOOT_GET_CMDLINE) { 1147 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1148 &images->cmdline_end); 1149 if (ret) { 1150 puts("ERROR with allocation of cmdline\n"); 1151 return ret; 1152 } 1153 } 1154 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1155 rd_len = images->rd_end - images->rd_start; 1156 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1157 initrd_start, initrd_end); 1158 if (ret) 1159 return ret; 1160 } 1161 1162 if (IMAGE_ENABLE_OF_LIBFDT) { 1163 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1164 if (ret) 1165 return ret; 1166 } 1167 1168 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1169 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1170 if (ret) 1171 return ret; 1172 } 1173 1174 return 0; 1175 } 1176 #endif /* CONFIG_LMB */ 1177 #endif /* !USE_HOSTCC */ 1178