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 <u-boot/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 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 48 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 49 int verify); 50 #endif 51 #else 52 #include "mkimage.h" 53 #include <u-boot/md5.h> 54 #include <time.h> 55 #include <image.h> 56 #endif /* !USE_HOSTCC*/ 57 58 #include <u-boot/crc.h> 59 60 #ifndef CONFIG_SYS_BARGSIZE 61 #define CONFIG_SYS_BARGSIZE 512 62 #endif 63 64 static const table_entry_t uimage_arch[] = { 65 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 66 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 67 { IH_ARCH_ARM, "arm", "ARM", }, 68 { IH_ARCH_I386, "x86", "Intel x86", }, 69 { IH_ARCH_IA64, "ia64", "IA64", }, 70 { IH_ARCH_M68K, "m68k", "M68K", }, 71 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 72 { IH_ARCH_MIPS, "mips", "MIPS", }, 73 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 74 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 75 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 76 { IH_ARCH_PPC, "ppc", "PowerPC", }, 77 { IH_ARCH_S390, "s390", "IBM S390", }, 78 { IH_ARCH_SH, "sh", "SuperH", }, 79 { IH_ARCH_SPARC, "sparc", "SPARC", }, 80 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 81 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 82 { IH_ARCH_AVR32, "avr32", "AVR32", }, 83 { IH_ARCH_NDS32, "nds32", "NDS32", }, 84 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, 85 { IH_ARCH_SANDBOX, "sandbox", "Sandbox", }, 86 { IH_ARCH_ARM64, "arm64", "AArch64", }, 87 { IH_ARCH_ARC, "arc", "ARC", }, 88 { IH_ARCH_X86_64, "x86_64", "AMD x86_64", }, 89 { -1, "", "", }, 90 }; 91 92 static const table_entry_t uimage_os[] = { 93 { IH_OS_INVALID, NULL, "Invalid OS", }, 94 { IH_OS_LINUX, "linux", "Linux", }, 95 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 96 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 97 #endif 98 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 99 { IH_OS_OSE, "ose", "Enea OSE", }, 100 { IH_OS_PLAN9, "plan9", "Plan 9", }, 101 { IH_OS_RTEMS, "rtems", "RTEMS", }, 102 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 103 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 104 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 105 { IH_OS_QNX, "qnx", "QNX", }, 106 #endif 107 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 108 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 109 #endif 110 #ifdef USE_HOSTCC 111 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 112 { IH_OS_DELL, "dell", "Dell", }, 113 { IH_OS_ESIX, "esix", "Esix", }, 114 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 115 { IH_OS_IRIX, "irix", "Irix", }, 116 { IH_OS_NCR, "ncr", "NCR", }, 117 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 118 { IH_OS_PSOS, "psos", "pSOS", }, 119 { IH_OS_SCO, "sco", "SCO", }, 120 { IH_OS_SOLARIS, "solaris", "Solaris", }, 121 { IH_OS_SVR4, "svr4", "SVR4", }, 122 #endif 123 { -1, "", "", }, 124 }; 125 126 static const table_entry_t uimage_type[] = { 127 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, 128 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 129 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 130 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 131 { IH_TYPE_GPIMAGE, "gpimage", "TI Keystone SPL Image",}, 132 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 133 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, 134 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 135 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 136 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 137 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 138 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, 139 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, 140 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 141 { IH_TYPE_SCRIPT, "script", "Script", }, 142 { IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",}, 143 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 144 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 145 { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, 146 { IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",}, 147 { IH_TYPE_X86_SETUP, "x86_setup", "x86 setup.bin", }, 148 { -1, "", "", }, 149 }; 150 151 static const table_entry_t uimage_comp[] = { 152 { IH_COMP_NONE, "none", "uncompressed", }, 153 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 154 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 155 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 156 { IH_COMP_LZO, "lzo", "lzo compressed", }, 157 { -1, "", "", }, 158 }; 159 160 /*****************************************************************************/ 161 /* Legacy format routines */ 162 /*****************************************************************************/ 163 int image_check_hcrc(const image_header_t *hdr) 164 { 165 ulong hcrc; 166 ulong len = image_get_header_size(); 167 image_header_t header; 168 169 /* Copy header so we can blank CRC field for re-calculation */ 170 memmove(&header, (char *)hdr, image_get_header_size()); 171 image_set_hcrc(&header, 0); 172 173 hcrc = crc32(0, (unsigned char *)&header, len); 174 175 return (hcrc == image_get_hcrc(hdr)); 176 } 177 178 int image_check_dcrc(const image_header_t *hdr) 179 { 180 ulong data = image_get_data(hdr); 181 ulong len = image_get_data_size(hdr); 182 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 183 184 return (dcrc == image_get_dcrc(hdr)); 185 } 186 187 /** 188 * image_multi_count - get component (sub-image) count 189 * @hdr: pointer to the header of the multi component image 190 * 191 * image_multi_count() returns number of components in a multi 192 * component image. 193 * 194 * Note: no checking of the image type is done, caller must pass 195 * a valid multi component image. 196 * 197 * returns: 198 * number of components 199 */ 200 ulong image_multi_count(const image_header_t *hdr) 201 { 202 ulong i, count = 0; 203 uint32_t *size; 204 205 /* get start of the image payload, which in case of multi 206 * component images that points to a table of component sizes */ 207 size = (uint32_t *)image_get_data(hdr); 208 209 /* count non empty slots */ 210 for (i = 0; size[i]; ++i) 211 count++; 212 213 return count; 214 } 215 216 /** 217 * image_multi_getimg - get component data address and size 218 * @hdr: pointer to the header of the multi component image 219 * @idx: index of the requested component 220 * @data: pointer to a ulong variable, will hold component data address 221 * @len: pointer to a ulong variable, will hold component size 222 * 223 * image_multi_getimg() returns size and data address for the requested 224 * component in a multi component image. 225 * 226 * Note: no checking of the image type is done, caller must pass 227 * a valid multi component image. 228 * 229 * returns: 230 * data address and size of the component, if idx is valid 231 * 0 in data and len, if idx is out of range 232 */ 233 void image_multi_getimg(const image_header_t *hdr, ulong idx, 234 ulong *data, ulong *len) 235 { 236 int i; 237 uint32_t *size; 238 ulong offset, count, img_data; 239 240 /* get number of component */ 241 count = image_multi_count(hdr); 242 243 /* get start of the image payload, which in case of multi 244 * component images that points to a table of component sizes */ 245 size = (uint32_t *)image_get_data(hdr); 246 247 /* get address of the proper component data start, which means 248 * skipping sizes table (add 1 for last, null entry) */ 249 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 250 251 if (idx < count) { 252 *len = uimage_to_cpu(size[idx]); 253 offset = 0; 254 255 /* go over all indices preceding requested component idx */ 256 for (i = 0; i < idx; i++) { 257 /* add up i-th component size, rounding up to 4 bytes */ 258 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 259 } 260 261 /* calculate idx-th component data address */ 262 *data = img_data + offset; 263 } else { 264 *len = 0; 265 *data = 0; 266 } 267 } 268 269 static void image_print_type(const image_header_t *hdr) 270 { 271 const char *os, *arch, *type, *comp; 272 273 os = genimg_get_os_name(image_get_os(hdr)); 274 arch = genimg_get_arch_name(image_get_arch(hdr)); 275 type = genimg_get_type_name(image_get_type(hdr)); 276 comp = genimg_get_comp_name(image_get_comp(hdr)); 277 278 printf("%s %s %s (%s)\n", arch, os, type, comp); 279 } 280 281 /** 282 * image_print_contents - prints out the contents of the legacy format image 283 * @ptr: pointer to the legacy format image header 284 * @p: pointer to prefix string 285 * 286 * image_print_contents() formats a multi line legacy image contents description. 287 * The routine prints out all header fields followed by the size/offset data 288 * for MULTI/SCRIPT images. 289 * 290 * returns: 291 * no returned results 292 */ 293 void image_print_contents(const void *ptr) 294 { 295 const image_header_t *hdr = (const image_header_t *)ptr; 296 const char *p; 297 298 p = IMAGE_INDENT_STRING; 299 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 300 if (IMAGE_ENABLE_TIMESTAMP) { 301 printf("%sCreated: ", p); 302 genimg_print_time((time_t)image_get_time(hdr)); 303 } 304 printf("%sImage Type: ", p); 305 image_print_type(hdr); 306 printf("%sData Size: ", p); 307 genimg_print_size(image_get_data_size(hdr)); 308 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 309 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 310 311 if (image_check_type(hdr, IH_TYPE_MULTI) || 312 image_check_type(hdr, IH_TYPE_SCRIPT)) { 313 int i; 314 ulong data, len; 315 ulong count = image_multi_count(hdr); 316 317 printf("%sContents:\n", p); 318 for (i = 0; i < count; i++) { 319 image_multi_getimg(hdr, i, &data, &len); 320 321 printf("%s Image %d: ", p, i); 322 genimg_print_size(len); 323 324 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 325 /* 326 * the user may need to know offsets 327 * if planning to do something with 328 * multiple files 329 */ 330 printf("%s Offset = 0x%08lx\n", p, data); 331 } 332 } 333 } 334 } 335 336 337 #ifndef USE_HOSTCC 338 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 339 /** 340 * image_get_ramdisk - get and verify ramdisk image 341 * @rd_addr: ramdisk image start address 342 * @arch: expected ramdisk architecture 343 * @verify: checksum verification flag 344 * 345 * image_get_ramdisk() returns a pointer to the verified ramdisk image 346 * header. Routine receives image start address and expected architecture 347 * flag. Verification done covers data and header integrity and os/type/arch 348 * fields checking. 349 * 350 * If dataflash support is enabled routine checks for dataflash addresses 351 * and handles required dataflash reads. 352 * 353 * returns: 354 * pointer to a ramdisk image header, if image was found and valid 355 * otherwise, return NULL 356 */ 357 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 358 int verify) 359 { 360 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 361 362 if (!image_check_magic(rd_hdr)) { 363 puts("Bad Magic Number\n"); 364 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 365 return NULL; 366 } 367 368 if (!image_check_hcrc(rd_hdr)) { 369 puts("Bad Header Checksum\n"); 370 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 371 return NULL; 372 } 373 374 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 375 image_print_contents(rd_hdr); 376 377 if (verify) { 378 puts(" Verifying Checksum ... "); 379 if (!image_check_dcrc(rd_hdr)) { 380 puts("Bad Data CRC\n"); 381 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 382 return NULL; 383 } 384 puts("OK\n"); 385 } 386 387 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 388 389 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 390 !image_check_arch(rd_hdr, arch) || 391 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 392 printf("No Linux %s Ramdisk Image\n", 393 genimg_get_arch_name(arch)); 394 bootstage_error(BOOTSTAGE_ID_RAMDISK); 395 return NULL; 396 } 397 398 return rd_hdr; 399 } 400 #endif 401 #endif /* !USE_HOSTCC */ 402 403 /*****************************************************************************/ 404 /* Shared dual-format routines */ 405 /*****************************************************************************/ 406 #ifndef USE_HOSTCC 407 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 408 ulong save_addr; /* Default Save Address */ 409 ulong save_size; /* Default Save Size (in bytes) */ 410 411 static int on_loadaddr(const char *name, const char *value, enum env_op op, 412 int flags) 413 { 414 switch (op) { 415 case env_op_create: 416 case env_op_overwrite: 417 load_addr = simple_strtoul(value, NULL, 16); 418 break; 419 default: 420 break; 421 } 422 423 return 0; 424 } 425 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 426 427 ulong getenv_bootm_low(void) 428 { 429 char *s = getenv("bootm_low"); 430 if (s) { 431 ulong tmp = simple_strtoul(s, NULL, 16); 432 return tmp; 433 } 434 435 #if defined(CONFIG_SYS_SDRAM_BASE) 436 return CONFIG_SYS_SDRAM_BASE; 437 #elif defined(CONFIG_ARM) 438 return gd->bd->bi_dram[0].start; 439 #else 440 return 0; 441 #endif 442 } 443 444 phys_size_t getenv_bootm_size(void) 445 { 446 phys_size_t tmp; 447 char *s = getenv("bootm_size"); 448 if (s) { 449 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 450 return tmp; 451 } 452 s = getenv("bootm_low"); 453 if (s) 454 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 455 else 456 tmp = 0; 457 458 459 #if defined(CONFIG_ARM) 460 return gd->bd->bi_dram[0].size - tmp; 461 #else 462 return gd->bd->bi_memsize - tmp; 463 #endif 464 } 465 466 phys_size_t getenv_bootm_mapsize(void) 467 { 468 phys_size_t tmp; 469 char *s = getenv("bootm_mapsize"); 470 if (s) { 471 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 472 return tmp; 473 } 474 475 #if defined(CONFIG_SYS_BOOTMAPSZ) 476 return CONFIG_SYS_BOOTMAPSZ; 477 #else 478 return getenv_bootm_size(); 479 #endif 480 } 481 482 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 483 { 484 if (to == from) 485 return; 486 487 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 488 if (to > from) { 489 from += len; 490 to += len; 491 } 492 while (len > 0) { 493 size_t tail = (len > chunksz) ? chunksz : len; 494 WATCHDOG_RESET(); 495 if (to > from) { 496 to -= tail; 497 from -= tail; 498 } 499 memmove(to, from, tail); 500 if (to < from) { 501 to += tail; 502 from += tail; 503 } 504 len -= tail; 505 } 506 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 507 memmove(to, from, len); 508 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 509 } 510 #endif /* !USE_HOSTCC */ 511 512 void genimg_print_size(uint32_t size) 513 { 514 #ifndef USE_HOSTCC 515 printf("%d Bytes = ", size); 516 print_size(size, "\n"); 517 #else 518 printf("%d Bytes = %.2f kB = %.2f MB\n", 519 size, (double)size / 1.024e3, 520 (double)size / 1.048576e6); 521 #endif 522 } 523 524 #if IMAGE_ENABLE_TIMESTAMP 525 void genimg_print_time(time_t timestamp) 526 { 527 #ifndef USE_HOSTCC 528 struct rtc_time tm; 529 530 to_tm(timestamp, &tm); 531 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 532 tm.tm_year, tm.tm_mon, tm.tm_mday, 533 tm.tm_hour, tm.tm_min, tm.tm_sec); 534 #else 535 printf("%s", ctime(×tamp)); 536 #endif 537 } 538 #endif 539 540 /** 541 * get_table_entry_name - translate entry id to long name 542 * @table: pointer to a translation table for entries of a specific type 543 * @msg: message to be returned when translation fails 544 * @id: entry id to be translated 545 * 546 * get_table_entry_name() will go over translation table trying to find 547 * entry that matches given id. If matching entry is found, its long 548 * name is returned to the caller. 549 * 550 * returns: 551 * long entry name if translation succeeds 552 * msg otherwise 553 */ 554 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 555 { 556 for (; table->id >= 0; ++table) { 557 if (table->id == id) 558 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 559 return table->lname; 560 #else 561 return table->lname + gd->reloc_off; 562 #endif 563 } 564 return (msg); 565 } 566 567 const char *genimg_get_os_name(uint8_t os) 568 { 569 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 570 } 571 572 const char *genimg_get_arch_name(uint8_t arch) 573 { 574 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 575 arch)); 576 } 577 578 const char *genimg_get_type_name(uint8_t type) 579 { 580 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 581 } 582 583 const char *genimg_get_comp_name(uint8_t comp) 584 { 585 return (get_table_entry_name(uimage_comp, "Unknown Compression", 586 comp)); 587 } 588 589 /** 590 * get_table_entry_id - translate short entry name to id 591 * @table: pointer to a translation table for entries of a specific type 592 * @table_name: to be used in case of error 593 * @name: entry short name to be translated 594 * 595 * get_table_entry_id() will go over translation table trying to find 596 * entry that matches given short name. If matching entry is found, 597 * its id returned to the caller. 598 * 599 * returns: 600 * entry id if translation succeeds 601 * -1 otherwise 602 */ 603 int get_table_entry_id(const table_entry_t *table, 604 const char *table_name, const char *name) 605 { 606 const table_entry_t *t; 607 #ifdef USE_HOSTCC 608 int first = 1; 609 610 for (t = table; t->id >= 0; ++t) { 611 if (t->sname && strcasecmp(t->sname, name) == 0) 612 return(t->id); 613 } 614 615 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 616 for (t = table; t->id >= 0; ++t) { 617 if (t->sname == NULL) 618 continue; 619 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 620 first = 0; 621 } 622 fprintf(stderr, "\n"); 623 #else 624 for (t = table; t->id >= 0; ++t) { 625 #ifdef CONFIG_NEEDS_MANUAL_RELOC 626 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 627 #else 628 if (t->sname && strcmp(t->sname, name) == 0) 629 #endif 630 return (t->id); 631 } 632 debug("Invalid %s Type: %s\n", table_name, name); 633 #endif /* USE_HOSTCC */ 634 return (-1); 635 } 636 637 int genimg_get_os_id(const char *name) 638 { 639 return (get_table_entry_id(uimage_os, "OS", name)); 640 } 641 642 int genimg_get_arch_id(const char *name) 643 { 644 return (get_table_entry_id(uimage_arch, "CPU", name)); 645 } 646 647 int genimg_get_type_id(const char *name) 648 { 649 return (get_table_entry_id(uimage_type, "Image", name)); 650 } 651 652 int genimg_get_comp_id(const char *name) 653 { 654 return (get_table_entry_id(uimage_comp, "Compression", name)); 655 } 656 657 #ifndef USE_HOSTCC 658 /** 659 * genimg_get_kernel_addr_fit - get the real kernel address and return 2 660 * FIT strings 661 * @img_addr: a string might contain real image address 662 * @fit_uname_config: double pointer to a char, will hold pointer to a 663 * configuration unit name 664 * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage 665 * name 666 * 667 * genimg_get_kernel_addr_fit get the real kernel start address from a string 668 * which is normally the first argv of bootm/bootz 669 * 670 * returns: 671 * kernel start address 672 */ 673 ulong genimg_get_kernel_addr_fit(char * const img_addr, 674 const char **fit_uname_config, 675 const char **fit_uname_kernel) 676 { 677 ulong kernel_addr; 678 679 /* find out kernel image address */ 680 if (!img_addr) { 681 kernel_addr = load_addr; 682 debug("* kernel: default image load address = 0x%08lx\n", 683 load_addr); 684 #if defined(CONFIG_FIT) 685 } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr, 686 fit_uname_config)) { 687 debug("* kernel: config '%s' from image at 0x%08lx\n", 688 *fit_uname_config, kernel_addr); 689 } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr, 690 fit_uname_kernel)) { 691 debug("* kernel: subimage '%s' from image at 0x%08lx\n", 692 *fit_uname_kernel, kernel_addr); 693 #endif 694 } else { 695 kernel_addr = simple_strtoul(img_addr, NULL, 16); 696 debug("* kernel: cmdline image address = 0x%08lx\n", 697 kernel_addr); 698 } 699 700 return kernel_addr; 701 } 702 703 /** 704 * genimg_get_kernel_addr() is the simple version of 705 * genimg_get_kernel_addr_fit(). It ignores those return FIT strings 706 */ 707 ulong genimg_get_kernel_addr(char * const img_addr) 708 { 709 const char *fit_uname_config = NULL; 710 const char *fit_uname_kernel = NULL; 711 712 return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config, 713 &fit_uname_kernel); 714 } 715 716 /** 717 * genimg_get_format - get image format type 718 * @img_addr: image start address 719 * 720 * genimg_get_format() checks whether provided address points to a valid 721 * legacy or FIT image. 722 * 723 * New uImage format and FDT blob are based on a libfdt. FDT blob 724 * may be passed directly or embedded in a FIT image. In both situations 725 * genimg_get_format() must be able to dectect libfdt header. 726 * 727 * returns: 728 * image format type or IMAGE_FORMAT_INVALID if no image is present 729 */ 730 int genimg_get_format(const void *img_addr) 731 { 732 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 733 const image_header_t *hdr; 734 735 hdr = (const image_header_t *)img_addr; 736 if (image_check_magic(hdr)) 737 return IMAGE_FORMAT_LEGACY; 738 #endif 739 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 740 if (fdt_check_header(img_addr) == 0) 741 return IMAGE_FORMAT_FIT; 742 #endif 743 #ifdef CONFIG_ANDROID_BOOT_IMAGE 744 if (android_image_check_header(img_addr) == 0) 745 return IMAGE_FORMAT_ANDROID; 746 #endif 747 748 return IMAGE_FORMAT_INVALID; 749 } 750 751 /** 752 * genimg_get_image - get image from special storage (if necessary) 753 * @img_addr: image start address 754 * 755 * genimg_get_image() checks if provided image start adddress is located 756 * in a dataflash storage. If so, image is moved to a system RAM memory. 757 * 758 * returns: 759 * image start address after possible relocation from special storage 760 */ 761 ulong genimg_get_image(ulong img_addr) 762 { 763 ulong ram_addr = img_addr; 764 765 #ifdef CONFIG_HAS_DATAFLASH 766 ulong h_size, d_size; 767 768 if (addr_dataflash(img_addr)) { 769 void *buf; 770 771 /* ger RAM address */ 772 ram_addr = CONFIG_SYS_LOAD_ADDR; 773 774 /* get header size */ 775 h_size = image_get_header_size(); 776 #if defined(CONFIG_FIT) 777 if (sizeof(struct fdt_header) > h_size) 778 h_size = sizeof(struct fdt_header); 779 #endif 780 781 /* read in header */ 782 debug(" Reading image header from dataflash address " 783 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 784 785 buf = map_sysmem(ram_addr, 0); 786 read_dataflash(img_addr, h_size, buf); 787 788 /* get data size */ 789 switch (genimg_get_format(buf)) { 790 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 791 case IMAGE_FORMAT_LEGACY: 792 d_size = image_get_data_size(buf); 793 debug(" Legacy format image found at 0x%08lx, " 794 "size 0x%08lx\n", 795 ram_addr, d_size); 796 break; 797 #endif 798 #if defined(CONFIG_FIT) 799 case IMAGE_FORMAT_FIT: 800 d_size = fit_get_size(buf) - h_size; 801 debug(" FIT/FDT format image found at 0x%08lx, " 802 "size 0x%08lx\n", 803 ram_addr, d_size); 804 break; 805 #endif 806 default: 807 printf(" No valid image found at 0x%08lx\n", 808 img_addr); 809 return ram_addr; 810 } 811 812 /* read in image data */ 813 debug(" Reading image remaining data from dataflash address " 814 "%08lx to RAM address %08lx\n", img_addr + h_size, 815 ram_addr + h_size); 816 817 read_dataflash(img_addr + h_size, d_size, 818 (char *)(buf + h_size)); 819 820 } 821 #endif /* CONFIG_HAS_DATAFLASH */ 822 823 return ram_addr; 824 } 825 826 /** 827 * fit_has_config - check if there is a valid FIT configuration 828 * @images: pointer to the bootm command headers structure 829 * 830 * fit_has_config() checks if there is a FIT configuration in use 831 * (if FTI support is present). 832 * 833 * returns: 834 * 0, no FIT support or no configuration found 835 * 1, configuration found 836 */ 837 int genimg_has_config(bootm_headers_t *images) 838 { 839 #if defined(CONFIG_FIT) 840 if (images->fit_uname_cfg) 841 return 1; 842 #endif 843 return 0; 844 } 845 846 /** 847 * boot_get_ramdisk - main ramdisk handling routine 848 * @argc: command argument count 849 * @argv: command argument list 850 * @images: pointer to the bootm images structure 851 * @arch: expected ramdisk architecture 852 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 853 * @rd_end: pointer to a ulong variable, will hold ramdisk end 854 * 855 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 856 * Curently supported are the following ramdisk sources: 857 * - multicomponent kernel/ramdisk image, 858 * - commandline provided address of decicated ramdisk image. 859 * 860 * returns: 861 * 0, if ramdisk image was found and valid, or skiped 862 * rd_start and rd_end are set to ramdisk start/end addresses if 863 * ramdisk image is found and valid 864 * 865 * 1, if ramdisk image is found but corrupted, or invalid 866 * rd_start and rd_end are set to 0 if no ramdisk exists 867 */ 868 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 869 uint8_t arch, ulong *rd_start, ulong *rd_end) 870 { 871 ulong rd_addr, rd_load; 872 ulong rd_data, rd_len; 873 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 874 const image_header_t *rd_hdr; 875 #endif 876 void *buf; 877 #ifdef CONFIG_SUPPORT_RAW_INITRD 878 char *end; 879 #endif 880 #if defined(CONFIG_FIT) 881 const char *fit_uname_config = images->fit_uname_cfg; 882 const char *fit_uname_ramdisk = NULL; 883 ulong default_addr; 884 int rd_noffset; 885 #endif 886 const char *select = NULL; 887 888 *rd_start = 0; 889 *rd_end = 0; 890 891 if (argc >= 2) 892 select = argv[1]; 893 /* 894 * Look for a '-' which indicates to ignore the 895 * ramdisk argument 896 */ 897 if (select && strcmp(select, "-") == 0) { 898 debug("## Skipping init Ramdisk\n"); 899 rd_len = rd_data = 0; 900 } else if (select || genimg_has_config(images)) { 901 #if defined(CONFIG_FIT) 902 if (select) { 903 /* 904 * If the init ramdisk comes from the FIT image and 905 * the FIT image address is omitted in the command 906 * line argument, try to use os FIT image address or 907 * default load address. 908 */ 909 if (images->fit_uname_os) 910 default_addr = (ulong)images->fit_hdr_os; 911 else 912 default_addr = load_addr; 913 914 if (fit_parse_conf(select, default_addr, 915 &rd_addr, &fit_uname_config)) { 916 debug("* ramdisk: config '%s' from image at " 917 "0x%08lx\n", 918 fit_uname_config, rd_addr); 919 } else if (fit_parse_subimage(select, default_addr, 920 &rd_addr, &fit_uname_ramdisk)) { 921 debug("* ramdisk: subimage '%s' from image at " 922 "0x%08lx\n", 923 fit_uname_ramdisk, rd_addr); 924 } else 925 #endif 926 { 927 rd_addr = simple_strtoul(select, NULL, 16); 928 debug("* ramdisk: cmdline image address = " 929 "0x%08lx\n", 930 rd_addr); 931 } 932 #if defined(CONFIG_FIT) 933 } else { 934 /* use FIT configuration provided in first bootm 935 * command argument. If the property is not defined, 936 * quit silently. 937 */ 938 rd_addr = map_to_sysmem(images->fit_hdr_os); 939 rd_noffset = fit_get_node_from_config(images, 940 FIT_RAMDISK_PROP, rd_addr); 941 if (rd_noffset == -ENOLINK) 942 return 0; 943 else if (rd_noffset < 0) 944 return 1; 945 } 946 #endif 947 948 /* copy from dataflash if needed */ 949 rd_addr = genimg_get_image(rd_addr); 950 951 /* 952 * Check if there is an initrd image at the 953 * address provided in the second bootm argument 954 * check image type, for FIT images get FIT node. 955 */ 956 buf = map_sysmem(rd_addr, 0); 957 switch (genimg_get_format(buf)) { 958 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 959 case IMAGE_FORMAT_LEGACY: 960 printf("## Loading init Ramdisk from Legacy " 961 "Image at %08lx ...\n", rd_addr); 962 963 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 964 rd_hdr = image_get_ramdisk(rd_addr, arch, 965 images->verify); 966 967 if (rd_hdr == NULL) 968 return 1; 969 970 rd_data = image_get_data(rd_hdr); 971 rd_len = image_get_data_size(rd_hdr); 972 rd_load = image_get_load(rd_hdr); 973 break; 974 #endif 975 #if defined(CONFIG_FIT) 976 case IMAGE_FORMAT_FIT: 977 rd_noffset = fit_image_load(images, 978 rd_addr, &fit_uname_ramdisk, 979 &fit_uname_config, arch, 980 IH_TYPE_RAMDISK, 981 BOOTSTAGE_ID_FIT_RD_START, 982 FIT_LOAD_OPTIONAL_NON_ZERO, 983 &rd_data, &rd_len); 984 if (rd_noffset < 0) 985 return 1; 986 987 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 988 images->fit_uname_rd = fit_uname_ramdisk; 989 images->fit_noffset_rd = rd_noffset; 990 break; 991 #endif 992 default: 993 #ifdef CONFIG_SUPPORT_RAW_INITRD 994 end = NULL; 995 if (select) 996 end = strchr(select, ':'); 997 if (end) { 998 rd_len = simple_strtoul(++end, NULL, 16); 999 rd_data = rd_addr; 1000 } else 1001 #endif 1002 { 1003 puts("Wrong Ramdisk Image Format\n"); 1004 rd_data = rd_len = rd_load = 0; 1005 return 1; 1006 } 1007 } 1008 } else if (images->legacy_hdr_valid && 1009 image_check_type(&images->legacy_hdr_os_copy, 1010 IH_TYPE_MULTI)) { 1011 1012 /* 1013 * Now check if we have a legacy mult-component image, 1014 * get second entry data start address and len. 1015 */ 1016 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 1017 printf("## Loading init Ramdisk from multi component " 1018 "Legacy Image at %08lx ...\n", 1019 (ulong)images->legacy_hdr_os); 1020 1021 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1022 } 1023 #ifdef CONFIG_ANDROID_BOOT_IMAGE 1024 else if ((genimg_get_format((void *)images->os.start) 1025 == IMAGE_FORMAT_ANDROID) && 1026 (!android_image_get_ramdisk((void *)images->os.start, 1027 &rd_data, &rd_len))) { 1028 /* empty */ 1029 } 1030 #endif 1031 else { 1032 /* 1033 * no initrd image 1034 */ 1035 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 1036 rd_len = rd_data = 0; 1037 } 1038 1039 if (!rd_data) { 1040 debug("## No init Ramdisk\n"); 1041 } else { 1042 *rd_start = rd_data; 1043 *rd_end = rd_data + rd_len; 1044 } 1045 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1046 *rd_start, *rd_end); 1047 1048 return 0; 1049 } 1050 1051 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1052 /** 1053 * boot_ramdisk_high - relocate init ramdisk 1054 * @lmb: pointer to lmb handle, will be used for memory mgmt 1055 * @rd_data: ramdisk data start address 1056 * @rd_len: ramdisk data length 1057 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1058 * start address (after possible relocation) 1059 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1060 * end address (after possible relocation) 1061 * 1062 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment 1063 * variable and if requested ramdisk data is moved to a specified location. 1064 * 1065 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1066 * start/end addresses if ramdisk image start and len were provided, 1067 * otherwise set initrd_start and initrd_end set to zeros. 1068 * 1069 * returns: 1070 * 0 - success 1071 * -1 - failure 1072 */ 1073 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1074 ulong *initrd_start, ulong *initrd_end) 1075 { 1076 char *s; 1077 ulong initrd_high; 1078 int initrd_copy_to_ram = 1; 1079 1080 if ((s = getenv("initrd_high")) != NULL) { 1081 /* a value of "no" or a similar string will act like 0, 1082 * turning the "load high" feature off. This is intentional. 1083 */ 1084 initrd_high = simple_strtoul(s, NULL, 16); 1085 if (initrd_high == ~0) 1086 initrd_copy_to_ram = 0; 1087 } else { 1088 /* not set, no restrictions to load high */ 1089 initrd_high = ~0; 1090 } 1091 1092 1093 #ifdef CONFIG_LOGBUFFER 1094 /* Prevent initrd from overwriting logbuffer */ 1095 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1096 #endif 1097 1098 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1099 initrd_high, initrd_copy_to_ram); 1100 1101 if (rd_data) { 1102 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1103 debug(" in-place initrd\n"); 1104 *initrd_start = rd_data; 1105 *initrd_end = rd_data + rd_len; 1106 lmb_reserve(lmb, rd_data, rd_len); 1107 } else { 1108 if (initrd_high) 1109 *initrd_start = (ulong)lmb_alloc_base(lmb, 1110 rd_len, 0x1000, initrd_high); 1111 else 1112 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1113 0x1000); 1114 1115 if (*initrd_start == 0) { 1116 puts("ramdisk - allocation error\n"); 1117 goto error; 1118 } 1119 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1120 1121 *initrd_end = *initrd_start + rd_len; 1122 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1123 *initrd_start, *initrd_end); 1124 1125 memmove_wd((void *)*initrd_start, 1126 (void *)rd_data, rd_len, CHUNKSZ); 1127 1128 #ifdef CONFIG_MP 1129 /* 1130 * Ensure the image is flushed to memory to handle 1131 * AMP boot scenarios in which we might not be 1132 * HW cache coherent 1133 */ 1134 flush_cache((unsigned long)*initrd_start, rd_len); 1135 #endif 1136 puts("OK\n"); 1137 } 1138 } else { 1139 *initrd_start = 0; 1140 *initrd_end = 0; 1141 } 1142 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1143 *initrd_start, *initrd_end); 1144 1145 return 0; 1146 1147 error: 1148 return -1; 1149 } 1150 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1151 1152 int boot_get_setup(bootm_headers_t *images, uint8_t arch, 1153 ulong *setup_start, ulong *setup_len) 1154 { 1155 #if defined(CONFIG_FIT) 1156 return boot_get_setup_fit(images, arch, setup_start, setup_len); 1157 #else 1158 return -ENOENT; 1159 #endif 1160 } 1161 1162 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1163 /** 1164 * boot_get_cmdline - allocate and initialize kernel cmdline 1165 * @lmb: pointer to lmb handle, will be used for memory mgmt 1166 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1167 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1168 * 1169 * boot_get_cmdline() allocates space for kernel command line below 1170 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1171 * variable is present its contents is copied to allocated kernel 1172 * command line. 1173 * 1174 * returns: 1175 * 0 - success 1176 * -1 - failure 1177 */ 1178 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1179 { 1180 char *cmdline; 1181 char *s; 1182 1183 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1184 getenv_bootm_mapsize() + getenv_bootm_low()); 1185 1186 if (cmdline == NULL) 1187 return -1; 1188 1189 if ((s = getenv("bootargs")) == NULL) 1190 s = ""; 1191 1192 strcpy(cmdline, s); 1193 1194 *cmd_start = (ulong) & cmdline[0]; 1195 *cmd_end = *cmd_start + strlen(cmdline); 1196 1197 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1198 1199 return 0; 1200 } 1201 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1202 1203 #ifdef CONFIG_SYS_BOOT_GET_KBD 1204 /** 1205 * boot_get_kbd - allocate and initialize kernel copy of board info 1206 * @lmb: pointer to lmb handle, will be used for memory mgmt 1207 * @kbd: double pointer to board info data 1208 * 1209 * boot_get_kbd() allocates space for kernel copy of board info data below 1210 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1211 * with the current u-boot board info data. 1212 * 1213 * returns: 1214 * 0 - success 1215 * -1 - failure 1216 */ 1217 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1218 { 1219 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1220 getenv_bootm_mapsize() + getenv_bootm_low()); 1221 if (*kbd == NULL) 1222 return -1; 1223 1224 **kbd = *(gd->bd); 1225 1226 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1227 1228 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1229 do_bdinfo(NULL, 0, 0, NULL); 1230 #endif 1231 1232 return 0; 1233 } 1234 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1235 1236 #ifdef CONFIG_LMB 1237 int image_setup_linux(bootm_headers_t *images) 1238 { 1239 ulong of_size = images->ft_len; 1240 char **of_flat_tree = &images->ft_addr; 1241 ulong *initrd_start = &images->initrd_start; 1242 ulong *initrd_end = &images->initrd_end; 1243 struct lmb *lmb = &images->lmb; 1244 ulong rd_len; 1245 int ret; 1246 1247 if (IMAGE_ENABLE_OF_LIBFDT) 1248 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1249 1250 if (IMAGE_BOOT_GET_CMDLINE) { 1251 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1252 &images->cmdline_end); 1253 if (ret) { 1254 puts("ERROR with allocation of cmdline\n"); 1255 return ret; 1256 } 1257 } 1258 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1259 rd_len = images->rd_end - images->rd_start; 1260 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1261 initrd_start, initrd_end); 1262 if (ret) 1263 return ret; 1264 } 1265 1266 if (IMAGE_ENABLE_OF_LIBFDT) { 1267 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1268 if (ret) 1269 return ret; 1270 } 1271 1272 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1273 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1274 if (ret) 1275 return ret; 1276 } 1277 1278 return 0; 1279 } 1280 #endif /* CONFIG_LMB */ 1281 #endif /* !USE_HOSTCC */ 1282