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  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #ifndef USE_HOSTCC
  27 #include <common.h>
  28 #include <watchdog.h>
  29
  30 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  31 #include <status_led.h>
  32 #endif
  33
  34 #ifdef CONFIG_HAS_DATAFLASH
  35 #include <dataflash.h>
  36 #endif
  37
  38 #ifdef CONFIG_LOGBUFFER
  39 #include <logbuff.h>
  40 #endif
  41
  42 #include <rtc.h>
  43
  44 #include <environment.h>
  45 #include <image.h>
  46
  47 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
  48 #include <libfdt.h>
  49 #include <fdt_support.h>
  50 #endif
  51
  52 #include <u-boot/md5.h>
  53 #include <sha1.h>
  54 #include <asm/errno.h>
  55 #include <asm/io.h>
  56
  57 #ifdef CONFIG_CMD_BDI
  58 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  59 #endif
  60
  61 DECLARE_GLOBAL_DATA_PTR;
  62
  63 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
  64                                                 int verify);
  65 #else
  66 #include "mkimage.h"
  67 #include <u-boot/md5.h>
  68 #include <time.h>
  69 #include <image.h>
  70 #endif /* !USE_HOSTCC*/
  71
  72 #include <u-boot/crc.h>
  73
  74 #ifndef CONFIG_SYS_BARGSIZE
  75 #define CONFIG_SYS_BARGSIZE 512
  76 #endif
  77
  78 static const table_entry_t uimage_arch[] = {
  79         {       IH_ARCH_INVALID,        NULL,           "Invalid ARCH", },
  80         {       IH_ARCH_ALPHA,          "alpha",        "Alpha",        },
  81         {       IH_ARCH_ARM,            "arm",          "ARM",          },
  82         {       IH_ARCH_I386,           "x86",          "Intel x86",    },
  83         {       IH_ARCH_IA64,           "ia64",         "IA64",         },
  84         {       IH_ARCH_M68K,           "m68k",         "M68K",         },
  85         {       IH_ARCH_MICROBLAZE,     "microblaze",   "MicroBlaze",   },
  86         {       IH_ARCH_MIPS,           "mips",         "MIPS",         },
  87         {       IH_ARCH_MIPS64,         "mips64",       "MIPS 64 Bit",  },
  88         {       IH_ARCH_NIOS2,          "nios2",        "NIOS II",      },
  89         {       IH_ARCH_PPC,            "powerpc",      "PowerPC",      },
  90         {       IH_ARCH_PPC,            "ppc",          "PowerPC",      },
  91         {       IH_ARCH_S390,           "s390",         "IBM S390",     },
  92         {       IH_ARCH_SH,             "sh",           "SuperH",       },
  93         {       IH_ARCH_SPARC,          "sparc",        "SPARC",        },
  94         {       IH_ARCH_SPARC64,        "sparc64",      "SPARC 64 Bit", },
  95         {       IH_ARCH_BLACKFIN,       "blackfin",     "Blackfin",     },
  96         {       IH_ARCH_AVR32,          "avr32",        "AVR32",        },
  97         {       IH_ARCH_NDS32,          "nds32",        "NDS32",        },
  98         {       IH_ARCH_OPENRISC,       "or1k",         "OpenRISC 1000",},
  99         {       IH_ARCH_SANDBOX,        "sandbox",      "Sandbox",      },
 100         {       -1,                     "",             "",             },
 101 };
 102
 103 static const table_entry_t uimage_os[] = {
 104         {       IH_OS_INVALID,  NULL,           "Invalid OS",           },
 105         {       IH_OS_LINUX,    "linux",        "Linux",                },
 106 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
 107         {       IH_OS_LYNXOS,   "lynxos",       "LynxOS",               },
 108 #endif
 109         {       IH_OS_NETBSD,   "netbsd",       "NetBSD",               },
 110         {       IH_OS_OSE,      "ose",          "Enea OSE",             },
 111         {       IH_OS_PLAN9,    "plan9",        "Plan 9",               },
 112         {       IH_OS_RTEMS,    "rtems",        "RTEMS",                },
 113         {       IH_OS_U_BOOT,   "u-boot",       "U-Boot",               },
 114 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
 115         {       IH_OS_QNX,      "qnx",          "QNX",                  },
 116         {       IH_OS_VXWORKS,  "vxworks",      "VxWorks",              },
 117 #endif
 118 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
 119         {       IH_OS_INTEGRITY,"integrity",    "INTEGRITY",            },
 120 #endif
 121 #ifdef USE_HOSTCC
 122         {       IH_OS_4_4BSD,   "4_4bsd",       "4_4BSD",               },
 123         {       IH_OS_DELL,     "dell",         "Dell",                 },
 124         {       IH_OS_ESIX,     "esix",         "Esix",                 },
 125         {       IH_OS_FREEBSD,  "freebsd",      "FreeBSD",              },
 126         {       IH_OS_IRIX,     "irix",         "Irix",                 },
 127         {       IH_OS_NCR,      "ncr",          "NCR",                  },
 128         {       IH_OS_OPENBSD,  "openbsd",      "OpenBSD",              },
 129         {       IH_OS_PSOS,     "psos",         "pSOS",                 },
 130         {       IH_OS_SCO,      "sco",          "SCO",                  },
 131         {       IH_OS_SOLARIS,  "solaris",      "Solaris",              },
 132         {       IH_OS_SVR4,     "svr4",         "SVR4",                 },
 133 #endif
 134         {       -1,             "",             "",                     },
 135 };
 136
 137 static const table_entry_t uimage_type[] = {
 138         {       IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
 139         {       IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",   },
 140         {       IH_TYPE_FIRMWARE,   "firmware",   "Firmware",           },
 141         {       IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",   },
 142         {       IH_TYPE_KERNEL,     "kernel",     "Kernel Image",       },
 143         {       IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
 144         {       IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
 145         {       IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
 146         {       IH_TYPE_INVALID,    NULL,         "Invalid Image",      },
 147         {       IH_TYPE_MULTI,      "multi",      "Multi-File Image",   },
 148         {       IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
 149         {       IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
 150         {       IH_TYPE_RAMDISK,    "ramdisk",    "RAMDisk Image",      },
 151         {       IH_TYPE_SCRIPT,     "script",     "Script",             },
 152         {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
 153         {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
 154         {       -1,                 "",           "",                   },
 155 };
 156
 157 static const table_entry_t uimage_comp[] = {
 158         {       IH_COMP_NONE,   "none",         "uncompressed",         },
 159         {       IH_COMP_BZIP2,  "bzip2",        "bzip2 compressed",     },
 160         {       IH_COMP_GZIP,   "gzip",         "gzip compressed",      },
 161         {       IH_COMP_LZMA,   "lzma",         "lzma compressed",      },
 162         {       IH_COMP_LZO,    "lzo",          "lzo compressed",       },
 163         {       -1,             "",             "",                     },
 164 };
 165
 166 /*****************************************************************************/
 167 /* Legacy format routines */
 168 /*****************************************************************************/
 169 int image_check_hcrc(const image_header_t *hdr)
 170 {
 171         ulong hcrc;
 172         ulong len = image_get_header_size();
 173         image_header_t header;
 174
 175         /* Copy header so we can blank CRC field for re-calculation */
 176         memmove(&header, (char *)hdr, image_get_header_size());
 177         image_set_hcrc(&header, 0);
 178
 179         hcrc = crc32(0, (unsigned char *)&header, len);
 180
 181         return (hcrc == image_get_hcrc(hdr));
 182 }
 183
 184 int image_check_dcrc(const image_header_t *hdr)
 185 {
 186         ulong data = image_get_data(hdr);
 187         ulong len = image_get_data_size(hdr);
 188         ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
 189
 190         return (dcrc == image_get_dcrc(hdr));
 191 }
 192
 193 /**
 194  * image_multi_count - get component (sub-image) count
 195  * @hdr: pointer to the header of the multi component image
 196  *
 197  * image_multi_count() returns number of components in a multi
 198  * component image.
 199  *
 200  * Note: no checking of the image type is done, caller must pass
 201  * a valid multi component image.
 202  *
 203  * returns:
 204  *     number of components
 205  */
 206 ulong image_multi_count(const image_header_t *hdr)
 207 {
 208         ulong i, count = 0;
 209         uint32_t *size;
 210
 211         /* get start of the image payload, which in case of multi
 212          * component images that points to a table of component sizes */
 213         size = (uint32_t *)image_get_data(hdr);
 214
 215         /* count non empty slots */
 216         for (i = 0; size[i]; ++i)
 217                 count++;
 218
 219         return count;
 220 }
 221
 222 /**
 223  * image_multi_getimg - get component data address and size
 224  * @hdr: pointer to the header of the multi component image
 225  * @idx: index of the requested component
 226  * @data: pointer to a ulong variable, will hold component data address
 227  * @len: pointer to a ulong variable, will hold component size
 228  *
 229  * image_multi_getimg() returns size and data address for the requested
 230  * component in a multi component image.
 231  *
 232  * Note: no checking of the image type is done, caller must pass
 233  * a valid multi component image.
 234  *
 235  * returns:
 236  *     data address and size of the component, if idx is valid
 237  *     0 in data and len, if idx is out of range
 238  */
 239 void image_multi_getimg(const image_header_t *hdr, ulong idx,
 240                         ulong *data, ulong *len)
 241 {
 242         int i;
 243         uint32_t *size;
 244         ulong offset, count, img_data;
 245
 246         /* get number of component */
 247         count = image_multi_count(hdr);
 248
 249         /* get start of the image payload, which in case of multi
 250          * component images that points to a table of component sizes */
 251         size = (uint32_t *)image_get_data(hdr);
 252
 253         /* get address of the proper component data start, which means
 254          * skipping sizes table (add 1 for last, null entry) */
 255         img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
 256
 257         if (idx < count) {
 258                 *len = uimage_to_cpu(size[idx]);
 259                 offset = 0;
 260
 261                 /* go over all indices preceding requested component idx */
 262                 for (i = 0; i < idx; i++) {
 263                         /* add up i-th component size, rounding up to 4 bytes */
 264                         offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
 265                 }
 266
 267                 /* calculate idx-th component data address */
 268                 *data = img_data + offset;
 269         } else {
 270                 *len = 0;
 271                 *data = 0;
 272         }
 273 }
 274
 275 static void image_print_type(const image_header_t *hdr)
 276 {
 277         const char *os, *arch, *type, *comp;
 278
 279         os = genimg_get_os_name(image_get_os(hdr));
 280         arch = genimg_get_arch_name(image_get_arch(hdr));
 281         type = genimg_get_type_name(image_get_type(hdr));
 282         comp = genimg_get_comp_name(image_get_comp(hdr));
 283
 284         printf("%s %s %s (%s)\n", arch, os, type, comp);
 285 }
 286
 287 /**
 288  * image_print_contents - prints out the contents of the legacy format image
 289  * @ptr: pointer to the legacy format image header
 290  * @p: pointer to prefix string
 291  *
 292  * image_print_contents() formats a multi line legacy image contents description.
 293  * The routine prints out all header fields followed by the size/offset data
 294  * for MULTI/SCRIPT images.
 295  *
 296  * returns:
 297  *     no returned results
 298  */
 299 void image_print_contents(const void *ptr)
 300 {
 301         const image_header_t *hdr = (const image_header_t *)ptr;
 302         const char *p;
 303
 304         p = IMAGE_INDENT_STRING;
 305         printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
 306         if (IMAGE_ENABLE_TIMESTAMP) {
 307                 printf("%sCreated:      ", p);
 308                 genimg_print_time((time_t)image_get_time(hdr));
 309         }
 310         printf("%sImage Type:   ", p);
 311         image_print_type(hdr);
 312         printf("%sData Size:    ", p);
 313         genimg_print_size(image_get_data_size(hdr));
 314         printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
 315         printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
 316
 317         if (image_check_type(hdr, IH_TYPE_MULTI) ||
 318                         image_check_type(hdr, IH_TYPE_SCRIPT)) {
 319                 int i;
 320                 ulong data, len;
 321                 ulong count = image_multi_count(hdr);
 322
 323                 printf("%sContents:\n", p);
 324                 for (i = 0; i < count; i++) {
 325                         image_multi_getimg(hdr, i, &data, &len);
 326
 327                         printf("%s   Image %d: ", p, i);
 328                         genimg_print_size(len);
 329
 330                         if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
 331                                 /*
 332                                  * the user may need to know offsets
 333                                  * if planning to do something with
 334                                  * multiple files
 335                                  */
 336                                 printf("%s    Offset = 0x%08lx\n", p, data);
 337                         }
 338                 }
 339         }
 340 }
 341
 342
 343 #ifndef USE_HOSTCC
 344 /**
 345  * image_get_ramdisk - get and verify ramdisk image
 346  * @rd_addr: ramdisk image start address
 347  * @arch: expected ramdisk architecture
 348  * @verify: checksum verification flag
 349  *
 350  * image_get_ramdisk() returns a pointer to the verified ramdisk image
 351  * header. Routine receives image start address and expected architecture
 352  * flag. Verification done covers data and header integrity and os/type/arch
 353  * fields checking.
 354  *
 355  * If dataflash support is enabled routine checks for dataflash addresses
 356  * and handles required dataflash reads.
 357  *
 358  * returns:
 359  *     pointer to a ramdisk image header, if image was found and valid
 360  *     otherwise, return NULL
 361  */
 362 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
 363                                                 int verify)
 364 {
 365         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
 366
 367         if (!image_check_magic(rd_hdr)) {
 368                 puts("Bad Magic Number\n");
 369                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
 370                 return NULL;
 371         }
 372
 373         if (!image_check_hcrc(rd_hdr)) {
 374                 puts("Bad Header Checksum\n");
 375                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 376                 return NULL;
 377         }
 378
 379         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
 380         image_print_contents(rd_hdr);
 381
 382         if (verify) {
 383                 puts("   Verifying Checksum ... ");
 384                 if (!image_check_dcrc(rd_hdr)) {
 385                         puts("Bad Data CRC\n");
 386                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
 387                         return NULL;
 388                 }
 389                 puts("OK\n");
 390         }
 391
 392         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 393
 394         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
 395             !image_check_arch(rd_hdr, arch) ||
 396             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
 397                 printf("No Linux %s Ramdisk Image\n",
 398                                 genimg_get_arch_name(arch));
 399                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
 400                 return NULL;
 401         }
 402
 403         return rd_hdr;
 404 }
 405 #endif /* !USE_HOSTCC */
 406
 407 /*****************************************************************************/
 408 /* Shared dual-format routines */
 409 /*****************************************************************************/
 410 #ifndef USE_HOSTCC
 411 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
 412 ulong save_addr;                        /* Default Save Address */
 413 ulong save_size;                        /* Default Save Size (in bytes) */
 414
 415 static int on_loadaddr(const char *name, const char *value, enum env_op op,
 416         int flags)
 417 {
 418         switch (op) {
 419         case env_op_create:
 420         case env_op_overwrite:
 421                 load_addr = simple_strtoul(value, NULL, 16);
 422                 break;
 423         default:
 424                 break;
 425         }
 426
 427         return 0;
 428 }
 429 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 430
 431 ulong getenv_bootm_low(void)
 432 {
 433         char *s = getenv("bootm_low");
 434         if (s) {
 435                 ulong tmp = simple_strtoul(s, NULL, 16);
 436                 return tmp;
 437         }
 438
 439 #if defined(CONFIG_SYS_SDRAM_BASE)
 440         return CONFIG_SYS_SDRAM_BASE;
 441 #elif defined(CONFIG_ARM)
 442         return gd->bd->bi_dram[0].start;
 443 #else
 444         return 0;
 445 #endif
 446 }
 447
 448 phys_size_t getenv_bootm_size(void)
 449 {
 450         phys_size_t tmp;
 451         char *s = getenv("bootm_size");
 452         if (s) {
 453                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 454                 return tmp;
 455         }
 456         s = getenv("bootm_low");
 457         if (s)
 458                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 459         else
 460                 tmp = 0;
 461
 462
 463 #if defined(CONFIG_ARM)
 464         return gd->bd->bi_dram[0].size - tmp;
 465 #else
 466         return gd->bd->bi_memsize - tmp;
 467 #endif
 468 }
 469
 470 phys_size_t getenv_bootm_mapsize(void)
 471 {
 472         phys_size_t tmp;
 473         char *s = getenv("bootm_mapsize");
 474         if (s) {
 475                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 476                 return tmp;
 477         }
 478
 479 #if defined(CONFIG_SYS_BOOTMAPSZ)
 480         return CONFIG_SYS_BOOTMAPSZ;
 481 #else
 482         return getenv_bootm_size();
 483 #endif
 484 }
 485
 486 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 487 {
 488         if (to == from)
 489                 return;
 490
 491 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
 492         while (len > 0) {
 493                 size_t tail = (len > chunksz) ? chunksz : len;
 494                 WATCHDOG_RESET();
 495                 memmove(to, from, tail);
 496                 to += tail;
 497                 from += tail;
 498                 len -= tail;
 499         }
 500 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
 501         memmove(to, from, len);
 502 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
 503 }
 504 #endif /* !USE_HOSTCC */
 505
 506 void genimg_print_size(uint32_t size)
 507 {
 508 #ifndef USE_HOSTCC
 509         printf("%d Bytes = ", size);
 510         print_size(size, "\n");
 511 #else
 512         printf("%d Bytes = %.2f kB = %.2f MB\n",
 513                         size, (double)size / 1.024e3,
 514                         (double)size / 1.048576e6);
 515 #endif
 516 }
 517
 518 #if IMAGE_ENABLE_TIMESTAMP
 519 void genimg_print_time(time_t timestamp)
 520 {
 521 #ifndef USE_HOSTCC
 522         struct rtc_time tm;
 523
 524         to_tm(timestamp, &tm);
 525         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 526                         tm.tm_year, tm.tm_mon, tm.tm_mday,
 527                         tm.tm_hour, tm.tm_min, tm.tm_sec);
 528 #else
 529         printf("%s", ctime(&timestamp));
 530 #endif
 531 }
 532 #endif
 533
 534 /**
 535  * get_table_entry_name - translate entry id to long name
 536  * @table: pointer to a translation table for entries of a specific type
 537  * @msg: message to be returned when translation fails
 538  * @id: entry id to be translated
 539  *
 540  * get_table_entry_name() will go over translation table trying to find
 541  * entry that matches given id. If matching entry is found, its long
 542  * name is returned to the caller.
 543  *
 544  * returns:
 545  *     long entry name if translation succeeds
 546  *     msg otherwise
 547  */
 548 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
 549 {
 550         for (; table->id >= 0; ++table) {
 551                 if (table->id == id)
 552 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 553                         return table->lname;
 554 #else
 555                         return table->lname + gd->reloc_off;
 556 #endif
 557         }
 558         return (msg);
 559 }
 560
 561 const char *genimg_get_os_name(uint8_t os)
 562 {
 563         return (get_table_entry_name(uimage_os, "Unknown OS", os));
 564 }
 565
 566 const char *genimg_get_arch_name(uint8_t arch)
 567 {
 568         return (get_table_entry_name(uimage_arch, "Unknown Architecture",
 569                                         arch));
 570 }
 571
 572 const char *genimg_get_type_name(uint8_t type)
 573 {
 574         return (get_table_entry_name(uimage_type, "Unknown Image", type));
 575 }
 576
 577 const char *genimg_get_comp_name(uint8_t comp)
 578 {
 579         return (get_table_entry_name(uimage_comp, "Unknown Compression",
 580                                         comp));
 581 }
 582
 583 /**
 584  * get_table_entry_id - translate short entry name to id
 585  * @table: pointer to a translation table for entries of a specific type
 586  * @table_name: to be used in case of error
 587  * @name: entry short name to be translated
 588  *
 589  * get_table_entry_id() will go over translation table trying to find
 590  * entry that matches given short name. If matching entry is found,
 591  * its id returned to the caller.
 592  *
 593  * returns:
 594  *     entry id if translation succeeds
 595  *     -1 otherwise
 596  */
 597 int get_table_entry_id(const table_entry_t *table,
 598                 const char *table_name, const char *name)
 599 {
 600         const table_entry_t *t;
 601 #ifdef USE_HOSTCC
 602         int first = 1;
 603
 604         for (t = table; t->id >= 0; ++t) {
 605                 if (t->sname && strcasecmp(t->sname, name) == 0)
 606                         return(t->id);
 607         }
 608
 609         fprintf(stderr, "\nInvalid %s Type - valid names are", table_name);
 610         for (t = table; t->id >= 0; ++t) {
 611                 if (t->sname == NULL)
 612                         continue;
 613                 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname);
 614                 first = 0;
 615         }
 616         fprintf(stderr, "\n");
 617 #else
 618         for (t = table; t->id >= 0; ++t) {
 619 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 620                 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
 621 #else
 622                 if (t->sname && strcmp(t->sname, name) == 0)
 623 #endif
 624                         return (t->id);
 625         }
 626         debug("Invalid %s Type: %s\n", table_name, name);
 627 #endif /* USE_HOSTCC */
 628         return (-1);
 629 }
 630
 631 int genimg_get_os_id(const char *name)
 632 {
 633         return (get_table_entry_id(uimage_os, "OS", name));
 634 }
 635
 636 int genimg_get_arch_id(const char *name)
 637 {
 638         return (get_table_entry_id(uimage_arch, "CPU", name));
 639 }
 640
 641 int genimg_get_type_id(const char *name)
 642 {
 643         return (get_table_entry_id(uimage_type, "Image", name));
 644 }
 645
 646 int genimg_get_comp_id(const char *name)
 647 {
 648         return (get_table_entry_id(uimage_comp, "Compression", name));
 649 }
 650
 651 #ifndef USE_HOSTCC
 652 /**
 653  * genimg_get_format - get image format type
 654  * @img_addr: image start address
 655  *
 656  * genimg_get_format() checks whether provided address points to a valid
 657  * legacy or FIT image.
 658  *
 659  * New uImage format and FDT blob are based on a libfdt. FDT blob
 660  * may be passed directly or embedded in a FIT image. In both situations
 661  * genimg_get_format() must be able to dectect libfdt header.
 662  *
 663  * returns:
 664  *     image format type or IMAGE_FORMAT_INVALID if no image is present
 665  */
 666 int genimg_get_format(const void *img_addr)
 667 {
 668         ulong format = IMAGE_FORMAT_INVALID;
 669         const image_header_t *hdr;
 670 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
 671         char *fit_hdr;
 672 #endif
 673
 674         hdr = (const image_header_t *)img_addr;
 675         if (image_check_magic(hdr))
 676                 format = IMAGE_FORMAT_LEGACY;
 677 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
 678         else {
 679                 fit_hdr = (char *)img_addr;
 680                 if (fdt_check_header(fit_hdr) == 0)
 681                         format = IMAGE_FORMAT_FIT;
 682         }
 683 #endif
 684
 685         return format;
 686 }
 687
 688 /**
 689  * genimg_get_image - get image from special storage (if necessary)
 690  * @img_addr: image start address
 691  *
 692  * genimg_get_image() checks if provided image start adddress is located
 693  * in a dataflash storage. If so, image is moved to a system RAM memory.
 694  *
 695  * returns:
 696  *     image start address after possible relocation from special storage
 697  */
 698 ulong genimg_get_image(ulong img_addr)
 699 {
 700         ulong ram_addr = img_addr;
 701
 702 #ifdef CONFIG_HAS_DATAFLASH
 703         ulong h_size, d_size;
 704
 705         if (addr_dataflash(img_addr)) {
 706                 void *buf;
 707
 708                 /* ger RAM address */
 709                 ram_addr = CONFIG_SYS_LOAD_ADDR;
 710
 711                 /* get header size */
 712                 h_size = image_get_header_size();
 713 #if defined(CONFIG_FIT)
 714                 if (sizeof(struct fdt_header) > h_size)
 715                         h_size = sizeof(struct fdt_header);
 716 #endif
 717
 718                 /* read in header */
 719                 debug("   Reading image header from dataflash address "
 720                         "%08lx to RAM address %08lx\n", img_addr, ram_addr);
 721
 722                 buf = map_sysmem(ram_addr, 0);
 723                 read_dataflash(img_addr, h_size, buf);
 724
 725                 /* get data size */
 726                 switch (genimg_get_format(buf)) {
 727                 case IMAGE_FORMAT_LEGACY:
 728                         d_size = image_get_data_size(buf);
 729                         debug("   Legacy format image found at 0x%08lx, "
 730                                         "size 0x%08lx\n",
 731                                         ram_addr, d_size);
 732                         break;
 733 #if defined(CONFIG_FIT)
 734                 case IMAGE_FORMAT_FIT:
 735                         d_size = fit_get_size(buf) - h_size;
 736                         debug("   FIT/FDT format image found at 0x%08lx, "
 737                                         "size 0x%08lx\n",
 738                                         ram_addr, d_size);
 739                         break;
 740 #endif
 741                 default:
 742                         printf("   No valid image found at 0x%08lx\n",
 743                                 img_addr);
 744                         return ram_addr;
 745                 }
 746
 747                 /* read in image data */
 748                 debug("   Reading image remaining data from dataflash address "
 749                         "%08lx to RAM address %08lx\n", img_addr + h_size,
 750                         ram_addr + h_size);
 751
 752                 read_dataflash(img_addr + h_size, d_size,
 753                                 (char *)(buf + h_size));
 754
 755         }
 756 #endif /* CONFIG_HAS_DATAFLASH */
 757
 758         return ram_addr;
 759 }
 760
 761 /**
 762  * fit_has_config - check if there is a valid FIT configuration
 763  * @images: pointer to the bootm command headers structure
 764  *
 765  * fit_has_config() checks if there is a FIT configuration in use
 766  * (if FTI support is present).
 767  *
 768  * returns:
 769  *     0, no FIT support or no configuration found
 770  *     1, configuration found
 771  */
 772 int genimg_has_config(bootm_headers_t *images)
 773 {
 774 #if defined(CONFIG_FIT)
 775         if (images->fit_uname_cfg)
 776                 return 1;
 777 #endif
 778         return 0;
 779 }
 780
 781 /**
 782  * boot_get_ramdisk - main ramdisk handling routine
 783  * @argc: command argument count
 784  * @argv: command argument list
 785  * @images: pointer to the bootm images structure
 786  * @arch: expected ramdisk architecture
 787  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 788  * @rd_end: pointer to a ulong variable, will hold ramdisk end
 789  *
 790  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 791  * Curently supported are the following ramdisk sources:
 792  *      - multicomponent kernel/ramdisk image,
 793  *      - commandline provided address of decicated ramdisk image.
 794  *
 795  * returns:
 796  *     0, if ramdisk image was found and valid, or skiped
 797  *     rd_start and rd_end are set to ramdisk start/end addresses if
 798  *     ramdisk image is found and valid
 799  *
 800  *     1, if ramdisk image is found but corrupted, or invalid
 801  *     rd_start and rd_end are set to 0 if no ramdisk exists
 802  */
 803 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
 804                 uint8_t arch, ulong *rd_start, ulong *rd_end)
 805 {
 806         ulong rd_addr, rd_load;
 807         ulong rd_data, rd_len;
 808         const image_header_t *rd_hdr;
 809         void *buf;
 810 #ifdef CONFIG_SUPPORT_RAW_INITRD
 811         char *end;
 812 #endif
 813 #if defined(CONFIG_FIT)
 814         const char      *fit_uname_config = images->fit_uname_cfg;
 815         const char      *fit_uname_ramdisk = NULL;
 816         ulong           default_addr;
 817         int             rd_noffset;
 818 #endif
 819         const char *select = NULL;
 820
 821         *rd_start = 0;
 822         *rd_end = 0;
 823
 824         if (argc >= 2)
 825                 select = argv[1];
 826         /*
 827          * Look for a '-' which indicates to ignore the
 828          * ramdisk argument
 829          */
 830         if (select && strcmp(select, "-") ==  0) {
 831                 debug("## Skipping init Ramdisk\n");
 832                 rd_len = rd_data = 0;
 833         } else if (select || genimg_has_config(images)) {
 834 #if defined(CONFIG_FIT)
 835                 if (select) {
 836                         /*
 837                          * If the init ramdisk comes from the FIT image and
 838                          * the FIT image address is omitted in the command
 839                          * line argument, try to use os FIT image address or
 840                          * default load address.
 841                          */
 842                         if (images->fit_uname_os)
 843                                 default_addr = (ulong)images->fit_hdr_os;
 844                         else
 845                                 default_addr = load_addr;
 846
 847                         if (fit_parse_conf(select, default_addr,
 848                                            &rd_addr, &fit_uname_config)) {
 849                                 debug("*  ramdisk: config '%s' from image at "
 850                                                 "0x%08lx\n",
 851                                                 fit_uname_config, rd_addr);
 852                         } else if (fit_parse_subimage(select, default_addr,
 853                                                 &rd_addr, &fit_uname_ramdisk)) {
 854                                 debug("*  ramdisk: subimage '%s' from image at "
 855                                                 "0x%08lx\n",
 856                                                 fit_uname_ramdisk, rd_addr);
 857                         } else
 858 #endif
 859                         {
 860                                 rd_addr = simple_strtoul(select, NULL, 16);
 861                                 debug("*  ramdisk: cmdline image address = "
 862                                                 "0x%08lx\n",
 863                                                 rd_addr);
 864                         }
 865 #if defined(CONFIG_FIT)
 866                 } else {
 867                         /* use FIT configuration provided in first bootm
 868                          * command argument. If the property is not defined,
 869                          * quit silently.
 870                          */
 871                         rd_addr = map_to_sysmem(images->fit_hdr_os);
 872                         rd_noffset = fit_get_node_from_config(images,
 873                                         FIT_RAMDISK_PROP, rd_addr);
 874                         if (rd_noffset == -ENOLINK)
 875                                 return 0;
 876                         else if (rd_noffset < 0)
 877                                 return 1;
 878                 }
 879 #endif
 880
 881                 /* copy from dataflash if needed */
 882                 rd_addr = genimg_get_image(rd_addr);
 883
 884                 /*
 885                  * Check if there is an initrd image at the
 886                  * address provided in the second bootm argument
 887                  * check image type, for FIT images get FIT node.
 888                  */
 889                 buf = map_sysmem(rd_addr, 0);
 890                 switch (genimg_get_format(buf)) {
 891                 case IMAGE_FORMAT_LEGACY:
 892                         printf("## Loading init Ramdisk from Legacy "
 893                                         "Image at %08lx ...\n", rd_addr);
 894
 895                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
 896                         rd_hdr = image_get_ramdisk(rd_addr, arch,
 897                                                         images->verify);
 898
 899                         if (rd_hdr == NULL)
 900                                 return 1;
 901
 902                         rd_data = image_get_data(rd_hdr);
 903                         rd_len = image_get_data_size(rd_hdr);
 904                         rd_load = image_get_load(rd_hdr);
 905                         break;
 906 #if defined(CONFIG_FIT)
 907                 case IMAGE_FORMAT_FIT:
 908                         rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP,
 909                                         rd_addr, &fit_uname_ramdisk,
 910                                         &fit_uname_config, arch,
 911                                         IH_TYPE_RAMDISK,
 912                                         BOOTSTAGE_ID_FIT_RD_START,
 913                                         FIT_LOAD_IGNORED, &rd_data, &rd_len);
 914                         if (rd_noffset < 0)
 915                                 return 1;
 916
 917                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
 918                         images->fit_uname_rd = fit_uname_ramdisk;
 919                         images->fit_noffset_rd = rd_noffset;
 920                         break;
 921 #endif
 922                 default:
 923 #ifdef CONFIG_SUPPORT_RAW_INITRD
 924                         end = NULL;
 925                         if (select)
 926                                 end = strchr(select, ':');
 927                         if (end) {
 928                                 rd_len = simple_strtoul(++end, NULL, 16);
 929                                 rd_data = rd_addr;
 930                         } else
 931 #endif
 932                         {
 933                                 puts("Wrong Ramdisk Image Format\n");
 934                                 rd_data = rd_len = rd_load = 0;
 935                                 return 1;
 936                         }
 937                 }
 938         } else if (images->legacy_hdr_valid &&
 939                         image_check_type(&images->legacy_hdr_os_copy,
 940                                                 IH_TYPE_MULTI)) {
 941
 942                 /*
 943                  * Now check if we have a legacy mult-component image,
 944                  * get second entry data start address and len.
 945                  */
 946                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
 947                 printf("## Loading init Ramdisk from multi component "
 948                                 "Legacy Image at %08lx ...\n",
 949                                 (ulong)images->legacy_hdr_os);
 950
 951                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
 952         } else {
 953                 /*
 954                  * no initrd image
 955                  */
 956                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
 957                 rd_len = rd_data = 0;
 958         }
 959
 960         if (!rd_data) {
 961                 debug("## No init Ramdisk\n");
 962         } else {
 963                 *rd_start = rd_data;
 964                 *rd_end = rd_data + rd_len;
 965         }
 966         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
 967                         *rd_start, *rd_end);
 968
 969         return 0;
 970 }
 971
 972 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 973 /**
 974  * boot_ramdisk_high - relocate init ramdisk
 975  * @lmb: pointer to lmb handle, will be used for memory mgmt
 976  * @rd_data: ramdisk data start address
 977  * @rd_len: ramdisk data length
 978  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
 979  *      start address (after possible relocation)
 980  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
 981  *      end address (after possible relocation)
 982  *
 983  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement
 984  * variable and if requested ramdisk data is moved to a specified location.
 985  *
 986  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
 987  * start/end addresses if ramdisk image start and len were provided,
 988  * otherwise set initrd_start and initrd_end set to zeros.
 989  *
 990  * returns:
 991  *      0 - success
 992  *     -1 - failure
 993  */
 994 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 995                   ulong *initrd_start, ulong *initrd_end)
 996 {
 997         char    *s;
 998         ulong   initrd_high;
 999         int     initrd_copy_to_ram = 1;
1000
1001         if ((s = getenv("initrd_high")) != NULL) {
1002                 /* a value of "no" or a similar string will act like 0,
1003                  * turning the "load high" feature off. This is intentional.
1004                  */
1005                 initrd_high = simple_strtoul(s, NULL, 16);
1006                 if (initrd_high == ~0)
1007                         initrd_copy_to_ram = 0;
1008         } else {
1009                 /* not set, no restrictions to load high */
1010                 initrd_high = ~0;
1011         }
1012
1013
1014 #ifdef CONFIG_LOGBUFFER
1015         /* Prevent initrd from overwriting logbuffer */
1016         lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1017 #endif
1018
1019         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1020                         initrd_high, initrd_copy_to_ram);
1021
1022         if (rd_data) {
1023                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
1024                         debug("   in-place initrd\n");
1025                         *initrd_start = rd_data;
1026                         *initrd_end = rd_data + rd_len;
1027                         lmb_reserve(lmb, rd_data, rd_len);
1028                 } else {
1029                         if (initrd_high)
1030                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
1031                                                 rd_len, 0x1000, initrd_high);
1032                         else
1033                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1034                                                                  0x1000);
1035
1036                         if (*initrd_start == 0) {
1037                                 puts("ramdisk - allocation error\n");
1038                                 goto error;
1039                         }
1040                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1041
1042                         *initrd_end = *initrd_start + rd_len;
1043                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1044                                         *initrd_start, *initrd_end);
1045
1046                         memmove_wd((void *)*initrd_start,
1047                                         (void *)rd_data, rd_len, CHUNKSZ);
1048
1049 #ifdef CONFIG_MP
1050                         /*
1051                          * Ensure the image is flushed to memory to handle
1052                          * AMP boot scenarios in which we might not be
1053                          * HW cache coherent
1054                          */
1055                         flush_cache((unsigned long)*initrd_start, rd_len);
1056 #endif
1057                         puts("OK\n");
1058                 }
1059         } else {
1060                 *initrd_start = 0;
1061                 *initrd_end = 0;
1062         }
1063         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1064                         *initrd_start, *initrd_end);
1065
1066         return 0;
1067
1068 error:
1069         return -1;
1070 }
1071 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1072
1073 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1074 /**
1075  * boot_get_cmdline - allocate and initialize kernel cmdline
1076  * @lmb: pointer to lmb handle, will be used for memory mgmt
1077  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1078  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1079  *
1080  * boot_get_cmdline() allocates space for kernel command line below
1081  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1082  * variable is present its contents is copied to allocated kernel
1083  * command line.
1084  *
1085  * returns:
1086  *      0 - success
1087  *     -1 - failure
1088  */
1089 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1090 {
1091         char *cmdline;
1092         char *s;
1093
1094         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1095                                 getenv_bootm_mapsize() + getenv_bootm_low());
1096
1097         if (cmdline == NULL)
1098                 return -1;
1099
1100         if ((s = getenv("bootargs")) == NULL)
1101                 s = "";
1102
1103         strcpy(cmdline, s);
1104
1105         *cmd_start = (ulong) & cmdline[0];
1106         *cmd_end = *cmd_start + strlen(cmdline);
1107
1108         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1109
1110         return 0;
1111 }
1112 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1113
1114 #ifdef CONFIG_SYS_BOOT_GET_KBD
1115 /**
1116  * boot_get_kbd - allocate and initialize kernel copy of board info
1117  * @lmb: pointer to lmb handle, will be used for memory mgmt
1118  * @kbd: double pointer to board info data
1119  *
1120  * boot_get_kbd() allocates space for kernel copy of board info data below
1121  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1122  * with the current u-boot board info data.
1123  *
1124  * returns:
1125  *      0 - success
1126  *     -1 - failure
1127  */
1128 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1129 {
1130         *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1131                                 getenv_bootm_mapsize() + getenv_bootm_low());
1132         if (*kbd == NULL)
1133                 return -1;
1134
1135         **kbd = *(gd->bd);
1136
1137         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1138
1139 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1140         do_bdinfo(NULL, 0, 0, NULL);
1141 #endif
1142
1143         return 0;
1144 }
1145 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1146
1147 #ifdef CONFIG_LMB
1148 int image_setup_linux(bootm_headers_t *images)
1149 {
1150         ulong of_size = images->ft_len;
1151         char **of_flat_tree = &images->ft_addr;
1152         ulong *initrd_start = &images->initrd_start;
1153         ulong *initrd_end = &images->initrd_end;
1154         struct lmb *lmb = &images->lmb;
1155         ulong rd_len;
1156         int ret;
1157
1158         if (IMAGE_ENABLE_OF_LIBFDT)
1159                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1160
1161         if (IMAGE_BOOT_GET_CMDLINE) {
1162                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1163                                 &images->cmdline_end);
1164                 if (ret) {
1165                         puts("ERROR with allocation of cmdline\n");
1166                         return ret;
1167                 }
1168         }
1169         if (IMAGE_ENABLE_RAMDISK_HIGH) {
1170                 rd_len = images->rd_end - images->rd_start;
1171                 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1172                                 initrd_start, initrd_end);
1173                 if (ret)
1174                         return ret;
1175         }
1176
1177         if (IMAGE_ENABLE_OF_LIBFDT) {
1178                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1179                 if (ret)
1180                         return ret;
1181         }
1182
1183         if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1184                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1185                 if (ret)
1186                         return ret;
1187         }
1188
1189         return 0;
1190 }
1191 #endif /* CONFIG_LMB */
1192 #endif /* !USE_HOSTCC */