common/image.c

   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(&timestamp));
 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 */