common/cmd_bootm.c

   1 /*
   2  * (C) Copyright 2000-2009
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24
  25 /*
  26  * Boot support
  27  */
  28 #include <common.h>
  29 #include <watchdog.h>
  30 #include <command.h>
  31 #include <image.h>
  32 #include <malloc.h>
  33 #include <u-boot/zlib.h>
  34 #include <bzlib.h>
  35 #include <environment.h>
  36 #include <lmb.h>
  37 #include <linux/ctype.h>
  38 #include <asm/byteorder.h>
  39 #include <asm/io.h>
  40 #include <linux/compiler.h>
  41
  42 #if defined(CONFIG_CMD_USB)
  43 #include <usb.h>
  44 #endif
  45
  46 #ifdef CONFIG_SYS_HUSH_PARSER
  47 #include <hush.h>
  48 #endif
  49
  50 #if defined(CONFIG_OF_LIBFDT)
  51 #include <libfdt.h>
  52 #include <fdt_support.h>
  53 #endif
  54
  55 #ifdef CONFIG_LZMA
  56 #include <lzma/LzmaTypes.h>
  57 #include <lzma/LzmaDec.h>
  58 #include <lzma/LzmaTools.h>
  59 #endif /* CONFIG_LZMA */
  60
  61 #ifdef CONFIG_LZO
  62 #include <linux/lzo.h>
  63 #endif /* CONFIG_LZO */
  64
  65 DECLARE_GLOBAL_DATA_PTR;
  66
  67 #ifndef CONFIG_SYS_BOOTM_LEN
  68 #define CONFIG_SYS_BOOTM_LEN    0x800000        /* use 8MByte as default max gunzip size */
  69 #endif
  70
  71 #ifdef CONFIG_BZIP2
  72 extern void bz_internal_error(int);
  73 #endif
  74
  75 #if defined(CONFIG_CMD_IMI)
  76 static int image_info(unsigned long addr);
  77 #endif
  78
  79 #if defined(CONFIG_CMD_IMLS)
  80 #include <flash.h>
  81 #include <mtd/cfi_flash.h>
  82 extern flash_info_t flash_info[]; /* info for FLASH chips */
  83 #endif
  84
  85 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
  86 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  87 #endif
  88
  89 #include <linux/err.h>
  90 #include <nand.h>
  91
  92 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
  93 static void fixup_silent_linux(void);
  94 #endif
  95
  96 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
  97                                 char * const argv[], bootm_headers_t *images,
  98                                 ulong *os_data, ulong *os_len);
  99
 100 /*
 101  *  Continue booting an OS image; caller already has:
 102  *  - copied image header to global variable `header'
 103  *  - checked header magic number, checksums (both header & image),
 104  *  - verified image architecture (PPC) and type (KERNEL or MULTI),
 105  *  - loaded (first part of) image to header load address,
 106  *  - disabled interrupts.
 107  *
 108  * @flag: Flags indicating what to do (BOOTM_STATE_...)
 109  * @argc: Number of arguments. Note that the arguments are shifted down
 110  *       so that 0 is the first argument not processed by U-Boot, and
 111  *       argc is adjusted accordingly. This avoids confusion as to how
 112  *       many arguments are available for the OS.
 113  * @images: Pointers to os/initrd/fdt
 114  * @return 1 on error. On success the OS boots so this function does
 115  * not return.
 116  */
 117 typedef int boot_os_fn(int flag, int argc, char * const argv[],
 118                         bootm_headers_t *images);
 119
 120 #ifdef CONFIG_BOOTM_LINUX
 121 extern boot_os_fn do_bootm_linux;
 122 #endif
 123 #ifdef CONFIG_BOOTM_NETBSD
 124 static boot_os_fn do_bootm_netbsd;
 125 #endif
 126 #if defined(CONFIG_LYNXKDI)
 127 static boot_os_fn do_bootm_lynxkdi;
 128 extern void lynxkdi_boot(image_header_t *);
 129 #endif
 130 #ifdef CONFIG_BOOTM_RTEMS
 131 static boot_os_fn do_bootm_rtems;
 132 #endif
 133 #if defined(CONFIG_BOOTM_OSE)
 134 static boot_os_fn do_bootm_ose;
 135 #endif
 136 #if defined(CONFIG_BOOTM_PLAN9)
 137 static boot_os_fn do_bootm_plan9;
 138 #endif
 139 #if defined(CONFIG_CMD_ELF)
 140 static boot_os_fn do_bootm_vxworks;
 141 static boot_os_fn do_bootm_qnxelf;
 142 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 143 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 144 #endif
 145 #if defined(CONFIG_INTEGRITY)
 146 static boot_os_fn do_bootm_integrity;
 147 #endif
 148
 149 static boot_os_fn *boot_os[] = {
 150 #ifdef CONFIG_BOOTM_LINUX
 151         [IH_OS_LINUX] = do_bootm_linux,
 152 #endif
 153 #ifdef CONFIG_BOOTM_NETBSD
 154         [IH_OS_NETBSD] = do_bootm_netbsd,
 155 #endif
 156 #ifdef CONFIG_LYNXKDI
 157         [IH_OS_LYNXOS] = do_bootm_lynxkdi,
 158 #endif
 159 #ifdef CONFIG_BOOTM_RTEMS
 160         [IH_OS_RTEMS] = do_bootm_rtems,
 161 #endif
 162 #if defined(CONFIG_BOOTM_OSE)
 163         [IH_OS_OSE] = do_bootm_ose,
 164 #endif
 165 #if defined(CONFIG_BOOTM_PLAN9)
 166         [IH_OS_PLAN9] = do_bootm_plan9,
 167 #endif
 168 #if defined(CONFIG_CMD_ELF)
 169         [IH_OS_VXWORKS] = do_bootm_vxworks,
 170         [IH_OS_QNX] = do_bootm_qnxelf,
 171 #endif
 172 #ifdef CONFIG_INTEGRITY
 173         [IH_OS_INTEGRITY] = do_bootm_integrity,
 174 #endif
 175 };
 176
 177 bootm_headers_t images;         /* pointers to os/initrd/fdt images */
 178
 179 /* Allow for arch specific config before we boot */
 180 static void __arch_preboot_os(void)
 181 {
 182         /* please define platform specific arch_preboot_os() */
 183 }
 184 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
 185
 186 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
 187
 188 #ifdef CONFIG_LMB
 189 static void boot_start_lmb(bootm_headers_t *images)
 190 {
 191         ulong           mem_start;
 192         phys_size_t     mem_size;
 193
 194         lmb_init(&images->lmb);
 195
 196         mem_start = getenv_bootm_low();
 197         mem_size = getenv_bootm_size();
 198
 199         lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
 200
 201         arch_lmb_reserve(&images->lmb);
 202         board_lmb_reserve(&images->lmb);
 203 }
 204 #else
 205 #define lmb_reserve(lmb, base, size)
 206 static inline void boot_start_lmb(bootm_headers_t *images) { }
 207 #endif
 208
 209 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 210 {
 211         memset((void *)&images, 0, sizeof(images));
 212         images.verify = getenv_yesno("verify");
 213
 214         boot_start_lmb(&images);
 215
 216         bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
 217         images.state = BOOTM_STATE_START;
 218
 219         return 0;
 220 }
 221
 222 static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
 223                          char * const argv[])
 224 {
 225         const void *os_hdr;
 226
 227         /* get kernel image header, start address and length */
 228         os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
 229                         &images, &images.os.image_start, &images.os.image_len);
 230         if (images.os.image_len == 0) {
 231                 puts("ERROR: can't get kernel image!\n");
 232                 return 1;
 233         }
 234
 235         /* get image parameters */
 236         switch (genimg_get_format(os_hdr)) {
 237         case IMAGE_FORMAT_LEGACY:
 238                 images.os.type = image_get_type(os_hdr);
 239                 images.os.comp = image_get_comp(os_hdr);
 240                 images.os.os = image_get_os(os_hdr);
 241
 242                 images.os.end = image_get_image_end(os_hdr);
 243                 images.os.load = image_get_load(os_hdr);
 244                 break;
 245 #if defined(CONFIG_FIT)
 246         case IMAGE_FORMAT_FIT:
 247                 if (fit_image_get_type(images.fit_hdr_os,
 248                                         images.fit_noffset_os, &images.os.type)) {
 249                         puts("Can't get image type!\n");
 250                         bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
 251                         return 1;
 252                 }
 253
 254                 if (fit_image_get_comp(images.fit_hdr_os,
 255                                         images.fit_noffset_os, &images.os.comp)) {
 256                         puts("Can't get image compression!\n");
 257                         bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
 258                         return 1;
 259                 }
 260
 261                 if (fit_image_get_os(images.fit_hdr_os,
 262                                         images.fit_noffset_os, &images.os.os)) {
 263                         puts("Can't get image OS!\n");
 264                         bootstage_error(BOOTSTAGE_ID_FIT_OS);
 265                         return 1;
 266                 }
 267
 268                 images.os.end = fit_get_end(images.fit_hdr_os);
 269
 270                 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
 271                                         &images.os.load)) {
 272                         puts("Can't get image load address!\n");
 273                         bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
 274                         return 1;
 275                 }
 276                 break;
 277 #endif
 278         default:
 279                 puts("ERROR: unknown image format type!\n");
 280                 return 1;
 281         }
 282
 283         /* find kernel entry point */
 284         if (images.legacy_hdr_valid) {
 285                 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
 286 #if defined(CONFIG_FIT)
 287         } else if (images.fit_uname_os) {
 288                 int ret;
 289
 290                 ret = fit_image_get_entry(images.fit_hdr_os,
 291                                           images.fit_noffset_os, &images.ep);
 292                 if (ret) {
 293                         puts("Can't get entry point property!\n");
 294                         return 1;
 295                 }
 296 #endif
 297         } else {
 298                 puts("Could not find kernel entry point!\n");
 299                 return 1;
 300         }
 301
 302         if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
 303                 images.os.load = images.os.image_start;
 304                 images.ep += images.os.load;
 305         }
 306
 307         images.os.start = (ulong)os_hdr;
 308
 309         return 0;
 310 }
 311
 312 static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
 313                             char * const argv[])
 314 {
 315         int ret;
 316
 317         if (((images.os.type == IH_TYPE_KERNEL) ||
 318              (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
 319              (images.os.type == IH_TYPE_MULTI)) &&
 320             (images.os.os == IH_OS_LINUX)) {
 321                 /* find ramdisk */
 322                 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
 323                                 &images.rd_start, &images.rd_end);
 324                 if (ret) {
 325                         puts("Ramdisk image is corrupt or invalid\n");
 326                         return 1;
 327                 }
 328
 329 #if defined(CONFIG_OF_LIBFDT)
 330                 /* find flattened device tree */
 331                 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
 332                                    &images.ft_addr, &images.ft_len);
 333                 if (ret) {
 334                         puts("Could not find a valid device tree\n");
 335                         return 1;
 336                 }
 337
 338                 set_working_fdt_addr(images.ft_addr);
 339 #endif
 340         }
 341
 342         return 0;
 343 }
 344
 345 #define BOOTM_ERR_RESET         -1
 346 #define BOOTM_ERR_OVERLAP       -2
 347 #define BOOTM_ERR_UNIMPLEMENTED -3
 348 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
 349 {
 350         uint8_t comp = os.comp;
 351         ulong load = os.load;
 352         ulong blob_start = os.start;
 353         ulong blob_end = os.end;
 354         ulong image_start = os.image_start;
 355         ulong image_len = os.image_len;
 356         __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
 357         int no_overlap = 0;
 358         void *load_buf, *image_buf;
 359 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
 360         int ret;
 361 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
 362
 363         const char *type_name = genimg_get_type_name(os.type);
 364
 365         load_buf = map_sysmem(load, image_len);
 366         image_buf = map_sysmem(image_start, image_len);
 367         switch (comp) {
 368         case IH_COMP_NONE:
 369                 if (load == blob_start || load == image_start) {
 370                         printf("   XIP %s ... ", type_name);
 371                         no_overlap = 1;
 372                 } else {
 373                         printf("   Loading %s ... ", type_name);
 374                         memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
 375                 }
 376                 *load_end = load + image_len;
 377                 puts("OK\n");
 378                 break;
 379 #ifdef CONFIG_GZIP
 380         case IH_COMP_GZIP:
 381                 printf("   Uncompressing %s ... ", type_name);
 382                 if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) {
 383                         puts("GUNZIP: uncompress, out-of-mem or overwrite "
 384                                 "error - must RESET board to recover\n");
 385                         if (boot_progress)
 386                                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 387                         return BOOTM_ERR_RESET;
 388                 }
 389
 390                 *load_end = load + image_len;
 391                 break;
 392 #endif /* CONFIG_GZIP */
 393 #ifdef CONFIG_BZIP2
 394         case IH_COMP_BZIP2:
 395                 printf("   Uncompressing %s ... ", type_name);
 396                 /*
 397                  * If we've got less than 4 MB of malloc() space,
 398                  * use slower decompression algorithm which requires
 399                  * at most 2300 KB of memory.
 400                  */
 401                 int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len,
 402                         image_buf, image_len,
 403                         CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
 404                 if (i != BZ_OK) {
 405                         printf("BUNZIP2: uncompress or overwrite error %d "
 406                                 "- must RESET board to recover\n", i);
 407                         if (boot_progress)
 408                                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 409                         return BOOTM_ERR_RESET;
 410                 }
 411
 412                 *load_end = load + unc_len;
 413                 break;
 414 #endif /* CONFIG_BZIP2 */
 415 #ifdef CONFIG_LZMA
 416         case IH_COMP_LZMA: {
 417                 SizeT lzma_len = unc_len;
 418                 printf("   Uncompressing %s ... ", type_name);
 419
 420                 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
 421                                                image_buf, image_len);
 422                 unc_len = lzma_len;
 423                 if (ret != SZ_OK) {
 424                         printf("LZMA: uncompress or overwrite error %d "
 425                                 "- must RESET board to recover\n", ret);
 426                         bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 427                         return BOOTM_ERR_RESET;
 428                 }
 429                 *load_end = load + unc_len;
 430                 break;
 431         }
 432 #endif /* CONFIG_LZMA */
 433 #ifdef CONFIG_LZO
 434         case IH_COMP_LZO:
 435                 printf("   Uncompressing %s ... ", type_name);
 436
 437                 ret = lzop_decompress(image_buf, image_len, load_buf,
 438                                       &unc_len);
 439                 if (ret != LZO_E_OK) {
 440                         printf("LZO: uncompress or overwrite error %d "
 441                               "- must RESET board to recover\n", ret);
 442                         if (boot_progress)
 443                                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 444                         return BOOTM_ERR_RESET;
 445                 }
 446
 447                 *load_end = load + unc_len;
 448                 break;
 449 #endif /* CONFIG_LZO */
 450         default:
 451                 printf("Unimplemented compression type %d\n", comp);
 452                 return BOOTM_ERR_UNIMPLEMENTED;
 453         }
 454
 455         flush_cache(load, (*load_end - load) * sizeof(ulong));
 456
 457         puts("OK\n");
 458         debug("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
 459         bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
 460
 461         if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
 462                 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
 463                         blob_start, blob_end);
 464                 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
 465                         *load_end);
 466
 467                 return BOOTM_ERR_OVERLAP;
 468         }
 469
 470         return 0;
 471 }
 472
 473 static int bootm_start_standalone(int argc, char * const argv[])
 474 {
 475         char  *s;
 476         int   (*appl)(int, char * const []);
 477
 478         /* Don't start if "autostart" is set to "no" */
 479         if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
 480                 setenv_hex("filesize", images.os.image_len);
 481                 return 0;
 482         }
 483         appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
 484         (*appl)(argc, argv);
 485         return 0;
 486 }
 487
 488 /* we overload the cmd field with our state machine info instead of a
 489  * function pointer */
 490 static cmd_tbl_t cmd_bootm_sub[] = {
 491         U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
 492         U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
 493 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 494         U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
 495 #endif
 496 #ifdef CONFIG_OF_LIBFDT
 497         U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
 498 #endif
 499         U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
 500         U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
 501         U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
 502         U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
 503 };
 504
 505 static int boot_selected_os(int argc, char * const argv[], int state,
 506                 bootm_headers_t *images, boot_os_fn *boot_fn, ulong *iflag)
 507 {
 508         if (images->os.type == IH_TYPE_STANDALONE) {
 509                 /* This may return when 'autostart' is 'no' */
 510                 bootm_start_standalone(argc, argv);
 511                 return 0;
 512         }
 513         /*
 514          * We have reached the point of no return: we are going to
 515          * overwrite all exception vector code, so we cannot easily
 516          * recover from any failures any more...
 517          */
 518         *iflag = disable_interrupts();
 519 #ifdef CONFIG_NETCONSOLE
 520         /* Stop the ethernet stack if NetConsole could have left it up */
 521         eth_halt();
 522 #endif
 523
 524 #if defined(CONFIG_CMD_USB)
 525         /*
 526          * turn off USB to prevent the host controller from writing to the
 527          * SDRAM while Linux is booting. This could happen (at least for OHCI
 528          * controller), because the HCCA (Host Controller Communication Area)
 529          * lies within the SDRAM and the host controller writes continously to
 530          * this area (as busmaster!). The HccaFrameNumber is for example
 531          * updated every 1 ms within the HCCA structure in SDRAM! For more
 532          * details see the OpenHCI specification.
 533          */
 534         usb_stop();
 535 #endif
 536 #ifdef CONFIG_SILENT_CONSOLE
 537         if (images->os.os == IH_OS_LINUX)
 538                 fixup_silent_linux();
 539 #endif
 540         arch_preboot_os();
 541         boot_fn(state, argc, argv, images);
 542         bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
 543 #ifdef DEBUG
 544         puts("\n## Control returned to monitor - resetting...\n");
 545 #endif
 546         return BOOTM_ERR_RESET;
 547 }
 548
 549 /**
 550  * Execute selected states of the bootm command.
 551  *
 552  * Note the arguments to this state must be the first argument, Any 'bootm'
 553  * or sub-command arguments must have already been taken.
 554  *
 555  * Note that if states contains more than one flag it MUST contain
 556  * BOOTM_STATE_START, since this handles and consumes the command line args.
 557  *
 558  * @param cmdtp         Pointer to bootm command table entry
 559  * @param flag          Command flags (CMD_FLAG_...)
 560  * @param argc          Number of subcommand arguments (0 = no arguments)
 561  * @param argv          Arguments
 562  * @param states        Mask containing states to run (BOOTM_STATE_...)
 563  * @param images        Image header information
 564  * @param boot_progress 1 to show boot progress, 0 to not do this
 565  * @return 0 if ok, something else on error. Some errors will cause this
 566  *      function to perform a reboot! If states contains BOOTM_STATE_OS_GO
 567  *      then the intent is to boot an OS, so this function will not return
 568  *      unless the image type is standalone.
 569  */
 570 static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc,
 571                 char * const argv[], int states, bootm_headers_t *images,
 572                 int boot_progress)
 573 {
 574         boot_os_fn *boot_fn;
 575         ulong iflag = 0;
 576         int ret = 0;
 577
 578         images->state |= states;
 579
 580         /*
 581          * Work through the states and see how far we get. We stop on
 582          * any error.
 583          */
 584         if (states & BOOTM_STATE_START)
 585                 ret = bootm_start(cmdtp, flag, argc, argv);
 586
 587         if (!ret && (states & BOOTM_STATE_FINDOS))
 588                 ret = bootm_find_os(cmdtp, flag, argc, argv);
 589
 590         if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
 591                 ret = bootm_find_other(cmdtp, flag, argc, argv);
 592                 argc = 0;       /* consume the args */
 593         }
 594
 595         /* Load the OS */
 596         if (!ret && (states & BOOTM_STATE_LOADOS)) {
 597                 ulong load_end;
 598
 599                 ret = bootm_load_os(images->os, &load_end, 0);
 600                 if (!ret) {
 601                         lmb_reserve(&images->lmb, images->os.load,
 602                                     (load_end - images->os.load));
 603                 }
 604         }
 605
 606         /* Relocate the ramdisk */
 607 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 608         if (!ret && (states & BOOTM_STATE_RAMDISK)) {
 609                 ulong rd_len = images->rd_end - images->rd_start;
 610
 611                 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
 612                         rd_len, &images->initrd_start, &images->initrd_end);
 613                 if (!ret) {
 614                         setenv_hex("initrd_start", images->initrd_start);
 615                         setenv_hex("initrd_end", images->initrd_end);
 616                 }
 617         }
 618 #endif
 619 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
 620         if (!ret && (states & BOOTM_STATE_FDT)) {
 621                 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
 622                 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
 623                                         &images->ft_len);
 624         }
 625 #endif
 626
 627         /* From now on, we need the OS boot function */
 628         if (ret)
 629                 return ret;
 630         boot_fn = boot_os[images->os.os];
 631         if (boot_fn == NULL) {
 632                 if (iflag)
 633                         enable_interrupts();
 634                 printf("ERROR: booting os '%s' (%d) is not supported\n",
 635                        genimg_get_os_name(images->os.os), images->os.os);
 636                 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
 637                 return 1;
 638         }
 639
 640         /* Call various other states that are not generally used */
 641         if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
 642                 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
 643         if (!ret && (states & BOOTM_STATE_OS_BD_T))
 644                 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
 645         if (!ret && (states & BOOTM_STATE_OS_PREP))
 646                 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
 647
 648         /* Now run the OS! We hope this doesn't return */
 649         if (!ret && (states & BOOTM_STATE_OS_GO))
 650                 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
 651                                 images, boot_fn, &iflag);
 652
 653         /* Deal with any fallout */
 654         if (ret < 0) {
 655                 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
 656                         if (iflag)
 657                                 enable_interrupts();
 658                         bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
 659                         return 1;
 660                 } else if (ret == BOOTM_ERR_OVERLAP) {
 661                         if (images->legacy_hdr_valid) {
 662                                 if (image_get_type(&images->legacy_hdr_os_copy)
 663                                                 == IH_TYPE_MULTI)
 664                                         puts("WARNING: legacy format multi component image overwritten\n");
 665                         } else {
 666                                 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
 667                                 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
 668                                 ret = BOOTM_ERR_RESET;
 669                         }
 670                 }
 671                 if (ret == BOOTM_ERR_RESET)
 672                         do_reset(cmdtp, flag, argc, argv);
 673         }
 674         if (iflag)
 675                 enable_interrupts();
 676         if (ret)
 677                 puts("subcommand not supported\n");
 678
 679         return ret;
 680 }
 681
 682 static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
 683                         char * const argv[])
 684 {
 685         int ret = 0;
 686         long state;
 687         cmd_tbl_t *c;
 688
 689         c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
 690         argc--; argv++;
 691
 692         if (c) {
 693                 state = (long)c->cmd;
 694                 if (state == BOOTM_STATE_START)
 695                         state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER;
 696         } else {
 697                 /* Unrecognized command */
 698                 return CMD_RET_USAGE;
 699         }
 700
 701         if (state != BOOTM_STATE_START && images.state >= state) {
 702                 printf("Trying to execute a command out of order\n");
 703                 return CMD_RET_USAGE;
 704         }
 705
 706         ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0);
 707
 708         return ret;
 709 }
 710
 711 /*******************************************************************/
 712 /* bootm - boot application image from image in memory */
 713 /*******************************************************************/
 714
 715 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 716 {
 717 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 718         static int relocated = 0;
 719
 720         if (!relocated) {
 721                 int i;
 722
 723                 /* relocate boot function table */
 724                 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
 725                         if (boot_os[i] != NULL)
 726                                 boot_os[i] += gd->reloc_off;
 727
 728                 /* relocate names of sub-command table */
 729                 for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++)
 730                         cmd_bootm_sub[i].name += gd->reloc_off;
 731
 732                 relocated = 1;
 733         }
 734 #endif
 735
 736         /* determine if we have a sub command */
 737         argc--; argv++;
 738         if (argc > 0) {
 739                 char *endp;
 740
 741                 simple_strtoul(argv[0], &endp, 16);
 742                 /* endp pointing to NULL means that argv[0] was just a
 743                  * valid number, pass it along to the normal bootm processing
 744                  *
 745                  * If endp is ':' or '#' assume a FIT identifier so pass
 746                  * along for normal processing.
 747                  *
 748                  * Right now we assume the first arg should never be '-'
 749                  */
 750                 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
 751                         return do_bootm_subcommand(cmdtp, flag, argc, argv);
 752         }
 753
 754         return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
 755                 BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
 756                 BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP |
 757                 BOOTM_STATE_OS_GO, &images, 1);
 758 }
 759
 760 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
 761 {
 762         const char *ep = getenv("autostart");
 763
 764         if (ep && !strcmp(ep, "yes")) {
 765                 char *local_args[2];
 766                 local_args[0] = (char *)cmd;
 767                 local_args[1] = NULL;
 768                 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
 769                 return do_bootm(cmdtp, 0, 1, local_args);
 770         }
 771
 772         return 0;
 773 }
 774
 775 /**
 776  * image_get_kernel - verify legacy format kernel image
 777  * @img_addr: in RAM address of the legacy format image to be verified
 778  * @verify: data CRC verification flag
 779  *
 780  * image_get_kernel() verifies legacy image integrity and returns pointer to
 781  * legacy image header if image verification was completed successfully.
 782  *
 783  * returns:
 784  *     pointer to a legacy image header if valid image was found
 785  *     otherwise return NULL
 786  */
 787 static image_header_t *image_get_kernel(ulong img_addr, int verify)
 788 {
 789         image_header_t *hdr = (image_header_t *)img_addr;
 790
 791         if (!image_check_magic(hdr)) {
 792                 puts("Bad Magic Number\n");
 793                 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
 794                 return NULL;
 795         }
 796         bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
 797
 798         if (!image_check_hcrc(hdr)) {
 799                 puts("Bad Header Checksum\n");
 800                 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
 801                 return NULL;
 802         }
 803
 804         bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
 805         image_print_contents(hdr);
 806
 807         if (verify) {
 808                 puts("   Verifying Checksum ... ");
 809                 if (!image_check_dcrc(hdr)) {
 810                         printf("Bad Data CRC\n");
 811                         bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
 812                         return NULL;
 813                 }
 814                 puts("OK\n");
 815         }
 816         bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
 817
 818         if (!image_check_target_arch(hdr)) {
 819                 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
 820                 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
 821                 return NULL;
 822         }
 823         return hdr;
 824 }
 825
 826 /**
 827  * boot_get_kernel - find kernel image
 828  * @os_data: pointer to a ulong variable, will hold os data start address
 829  * @os_len: pointer to a ulong variable, will hold os data length
 830  *
 831  * boot_get_kernel() tries to find a kernel image, verifies its integrity
 832  * and locates kernel data.
 833  *
 834  * returns:
 835  *     pointer to image header if valid image was found, plus kernel start
 836  *     address and length, otherwise NULL
 837  */
 838 static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
 839                 char * const argv[], bootm_headers_t *images, ulong *os_data,
 840                 ulong *os_len)
 841 {
 842         image_header_t  *hdr;
 843         ulong           img_addr;
 844         const void *buf;
 845 #if defined(CONFIG_FIT)
 846         const char      *fit_uname_config = NULL;
 847         const char      *fit_uname_kernel = NULL;
 848         int             os_noffset;
 849 #endif
 850
 851         /* find out kernel image address */
 852         if (argc < 1) {
 853                 img_addr = load_addr;
 854                 debug("*  kernel: default image load address = 0x%08lx\n",
 855                                 load_addr);
 856 #if defined(CONFIG_FIT)
 857         } else if (fit_parse_conf(argv[0], load_addr, &img_addr,
 858                                                         &fit_uname_config)) {
 859                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 860                                 fit_uname_config, img_addr);
 861         } else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
 862                                                         &fit_uname_kernel)) {
 863                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 864                                 fit_uname_kernel, img_addr);
 865 #endif
 866         } else {
 867                 img_addr = simple_strtoul(argv[0], NULL, 16);
 868                 debug("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
 869         }
 870
 871         bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
 872
 873         /* copy from dataflash if needed */
 874         img_addr = genimg_get_image(img_addr);
 875
 876         /* check image type, for FIT images get FIT kernel node */
 877         *os_data = *os_len = 0;
 878         buf = map_sysmem(img_addr, 0);
 879         switch (genimg_get_format(buf)) {
 880         case IMAGE_FORMAT_LEGACY:
 881                 printf("## Booting kernel from Legacy Image at %08lx ...\n",
 882                                 img_addr);
 883                 hdr = image_get_kernel(img_addr, images->verify);
 884                 if (!hdr)
 885                         return NULL;
 886                 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
 887
 888                 /* get os_data and os_len */
 889                 switch (image_get_type(hdr)) {
 890                 case IH_TYPE_KERNEL:
 891                 case IH_TYPE_KERNEL_NOLOAD:
 892                         *os_data = image_get_data(hdr);
 893                         *os_len = image_get_data_size(hdr);
 894                         break;
 895                 case IH_TYPE_MULTI:
 896                         image_multi_getimg(hdr, 0, os_data, os_len);
 897                         break;
 898                 case IH_TYPE_STANDALONE:
 899                         *os_data = image_get_data(hdr);
 900                         *os_len = image_get_data_size(hdr);
 901                         break;
 902                 default:
 903                         printf("Wrong Image Type for %s command\n",
 904                                 cmdtp->name);
 905                         bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
 906                         return NULL;
 907                 }
 908
 909                 /*
 910                  * copy image header to allow for image overwrites during
 911                  * kernel decompression.
 912                  */
 913                 memmove(&images->legacy_hdr_os_copy, hdr,
 914                         sizeof(image_header_t));
 915
 916                 /* save pointer to image header */
 917                 images->legacy_hdr_os = hdr;
 918
 919                 images->legacy_hdr_valid = 1;
 920                 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
 921                 break;
 922 #if defined(CONFIG_FIT)
 923         case IMAGE_FORMAT_FIT:
 924                 os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
 925                                 img_addr,
 926                                 &fit_uname_kernel, fit_uname_config,
 927                                 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
 928                                 BOOTSTAGE_ID_FIT_KERNEL_START,
 929                                 FIT_LOAD_IGNORED, os_data, os_len);
 930                 if (os_noffset < 0)
 931                         return NULL;
 932
 933                 images->fit_hdr_os = map_sysmem(img_addr, 0);
 934                 images->fit_uname_os = fit_uname_kernel;
 935                 images->fit_noffset_os = os_noffset;
 936                 break;
 937 #endif
 938         default:
 939                 printf("Wrong Image Format for %s command\n", cmdtp->name);
 940                 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
 941                 return NULL;
 942         }
 943
 944         debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
 945                         *os_data, *os_len, *os_len);
 946
 947         return buf;
 948 }
 949
 950 #ifdef CONFIG_SYS_LONGHELP
 951 static char bootm_help_text[] =
 952         "[addr [arg ...]]\n    - boot application image stored in memory\n"
 953         "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
 954         "\t'arg' can be the address of an initrd image\n"
 955 #if defined(CONFIG_OF_LIBFDT)
 956         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
 957         "\ta third argument is required which is the address of the\n"
 958         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
 959         "\tuse a '-' for the second argument. If you do not pass a third\n"
 960         "\ta bd_info struct will be passed instead\n"
 961 #endif
 962 #if defined(CONFIG_FIT)
 963         "\t\nFor the new multi component uImage format (FIT) addresses\n"
 964         "\tmust be extened to include component or configuration unit name:\n"
 965         "\taddr:<subimg_uname> - direct component image specification\n"
 966         "\taddr#<conf_uname>   - configuration specification\n"
 967         "\tUse iminfo command to get the list of existing component\n"
 968         "\timages and configurations.\n"
 969 #endif
 970         "\nSub-commands to do part of the bootm sequence.  The sub-commands "
 971         "must be\n"
 972         "issued in the order below (it's ok to not issue all sub-commands):\n"
 973         "\tstart [addr [arg ...]]\n"
 974         "\tloados  - load OS image\n"
 975 #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH)
 976         "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
 977 #endif
 978 #if defined(CONFIG_OF_LIBFDT)
 979         "\tfdt     - relocate flat device tree\n"
 980 #endif
 981         "\tcmdline - OS specific command line processing/setup\n"
 982         "\tbdt     - OS specific bd_t processing\n"
 983         "\tprep    - OS specific prep before relocation or go\n"
 984         "\tgo      - start OS";
 985 #endif
 986
 987 U_BOOT_CMD(
 988         bootm,  CONFIG_SYS_MAXARGS,     1,      do_bootm,
 989         "boot application image from memory", bootm_help_text
 990 );
 991
 992 /*******************************************************************/
 993 /* bootd - boot default image */
 994 /*******************************************************************/
 995 #if defined(CONFIG_CMD_BOOTD)
 996 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 997 {
 998         int rcode = 0;
 999
1000         if (run_command(getenv("bootcmd"), flag) < 0)
1001                 rcode = 1;
1002         return rcode;
1003 }
1004
1005 U_BOOT_CMD(
1006         boot,   1,      1,      do_bootd,
1007         "boot default, i.e., run 'bootcmd'",
1008         ""
1009 );
1010
1011 /* keep old command name "bootd" for backward compatibility */
1012 U_BOOT_CMD(
1013         bootd, 1,       1,      do_bootd,
1014         "boot default, i.e., run 'bootcmd'",
1015         ""
1016 );
1017
1018 #endif
1019
1020
1021 /*******************************************************************/
1022 /* iminfo - print header info for a requested image */
1023 /*******************************************************************/
1024 #if defined(CONFIG_CMD_IMI)
1025 static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1026 {
1027         int     arg;
1028         ulong   addr;
1029         int     rcode = 0;
1030
1031         if (argc < 2) {
1032                 return image_info(load_addr);
1033         }
1034
1035         for (arg = 1; arg < argc; ++arg) {
1036                 addr = simple_strtoul(argv[arg], NULL, 16);
1037                 if (image_info(addr) != 0)
1038                         rcode = 1;
1039         }
1040         return rcode;
1041 }
1042
1043 static int image_info(ulong addr)
1044 {
1045         void *hdr = (void *)addr;
1046
1047         printf("\n## Checking Image at %08lx ...\n", addr);
1048
1049         switch (genimg_get_format(hdr)) {
1050         case IMAGE_FORMAT_LEGACY:
1051                 puts("   Legacy image found\n");
1052                 if (!image_check_magic(hdr)) {
1053                         puts("   Bad Magic Number\n");
1054                         return 1;
1055                 }
1056
1057                 if (!image_check_hcrc(hdr)) {
1058                         puts("   Bad Header Checksum\n");
1059                         return 1;
1060                 }
1061
1062                 image_print_contents(hdr);
1063
1064                 puts("   Verifying Checksum ... ");
1065                 if (!image_check_dcrc(hdr)) {
1066                         puts("   Bad Data CRC\n");
1067                         return 1;
1068                 }
1069                 puts("OK\n");
1070                 return 0;
1071 #if defined(CONFIG_FIT)
1072         case IMAGE_FORMAT_FIT:
1073                 puts("   FIT image found\n");
1074
1075                 if (!fit_check_format(hdr)) {
1076                         puts("Bad FIT image format!\n");
1077                         return 1;
1078                 }
1079
1080                 fit_print_contents(hdr);
1081
1082                 if (!fit_all_image_verify(hdr)) {
1083                         puts("Bad hash in FIT image!\n");
1084                         return 1;
1085                 }
1086
1087                 return 0;
1088 #endif
1089         default:
1090                 puts("Unknown image format!\n");
1091                 break;
1092         }
1093
1094         return 1;
1095 }
1096
1097 U_BOOT_CMD(
1098         iminfo, CONFIG_SYS_MAXARGS,     1,      do_iminfo,
1099         "print header information for application image",
1100         "addr [addr ...]\n"
1101         "    - print header information for application image starting at\n"
1102         "      address 'addr' in memory; this includes verification of the\n"
1103         "      image contents (magic number, header and payload checksums)"
1104 );
1105 #endif
1106
1107
1108 /*******************************************************************/
1109 /* imls - list all images found in flash */
1110 /*******************************************************************/
1111 #if defined(CONFIG_CMD_IMLS)
1112 static int do_imls_nor(void)
1113 {
1114         flash_info_t *info;
1115         int i, j;
1116         void *hdr;
1117
1118         for (i = 0, info = &flash_info[0];
1119                 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1120
1121                 if (info->flash_id == FLASH_UNKNOWN)
1122                         goto next_bank;
1123                 for (j = 0; j < info->sector_count; ++j) {
1124
1125                         hdr = (void *)info->start[j];
1126                         if (!hdr)
1127                                 goto next_sector;
1128
1129                         switch (genimg_get_format(hdr)) {
1130                         case IMAGE_FORMAT_LEGACY:
1131                                 if (!image_check_hcrc(hdr))
1132                                         goto next_sector;
1133
1134                                 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1135                                 image_print_contents(hdr);
1136
1137                                 puts("   Verifying Checksum ... ");
1138                                 if (!image_check_dcrc(hdr)) {
1139                                         puts("Bad Data CRC\n");
1140                                 } else {
1141                                         puts("OK\n");
1142                                 }
1143                                 break;
1144 #if defined(CONFIG_FIT)
1145                         case IMAGE_FORMAT_FIT:
1146                                 if (!fit_check_format(hdr))
1147                                         goto next_sector;
1148
1149                                 printf("FIT Image at %08lX:\n", (ulong)hdr);
1150                                 fit_print_contents(hdr);
1151                                 break;
1152 #endif
1153                         default:
1154                                 goto next_sector;
1155                         }
1156
1157 next_sector:            ;
1158                 }
1159 next_bank:      ;
1160         }
1161         return 0;
1162 }
1163 #endif
1164
1165 #if defined(CONFIG_CMD_IMLS_NAND)
1166 static int nand_imls_legacyimage(nand_info_t *nand, int nand_dev, loff_t off,
1167                 size_t len)
1168 {
1169         void *imgdata;
1170         int ret;
1171
1172         imgdata = malloc(len);
1173         if (!imgdata) {
1174                 printf("May be a Legacy Image at NAND device %d offset %08llX:\n",
1175                                 nand_dev, off);
1176                 printf("   Low memory(cannot allocate memory for image)\n");
1177                 return -ENOMEM;
1178         }
1179
1180         ret = nand_read_skip_bad(nand, off, &len,
1181                         imgdata);
1182         if (ret < 0 && ret != -EUCLEAN) {
1183                 free(imgdata);
1184                 return ret;
1185         }
1186
1187         if (!image_check_hcrc(imgdata)) {
1188                 free(imgdata);
1189                 return 0;
1190         }
1191
1192         printf("Legacy Image at NAND device %d offset %08llX:\n",
1193                         nand_dev, off);
1194         image_print_contents(imgdata);
1195
1196         puts("   Verifying Checksum ... ");
1197         if (!image_check_dcrc(imgdata))
1198                 puts("Bad Data CRC\n");
1199         else
1200                 puts("OK\n");
1201
1202         free(imgdata);
1203
1204         return 0;
1205 }
1206
1207 static int nand_imls_fitimage(nand_info_t *nand, int nand_dev, loff_t off,
1208                 size_t len)
1209 {
1210         void *imgdata;
1211         int ret;
1212
1213         imgdata = malloc(len);
1214         if (!imgdata) {
1215                 printf("May be a FIT Image at NAND device %d offset %08llX:\n",
1216                                 nand_dev, off);
1217                 printf("   Low memory(cannot allocate memory for image)\n");
1218                 return -ENOMEM;
1219         }
1220
1221         ret = nand_read_skip_bad(nand, off, &len,
1222                         imgdata);
1223         if (ret < 0 && ret != -EUCLEAN) {
1224                 free(imgdata);
1225                 return ret;
1226         }
1227
1228         if (!fit_check_format(imgdata)) {
1229                 free(imgdata);
1230                 return 0;
1231         }
1232
1233         printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off);
1234
1235         fit_print_contents(imgdata);
1236         free(imgdata);
1237
1238         return 0;
1239 }
1240
1241 static int do_imls_nand(void)
1242 {
1243         nand_info_t *nand;
1244         int nand_dev = nand_curr_device;
1245         size_t len;
1246         loff_t off;
1247         u32 buffer[16];
1248
1249         if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) {
1250                 puts("\nNo NAND devices available\n");
1251                 return -ENODEV;
1252         }
1253
1254         printf("\n");
1255
1256         for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) {
1257                 nand = &nand_info[nand_dev];
1258                 if (!nand->name || !nand->size)
1259                         continue;
1260
1261                 for (off = 0; off < nand->size; off += nand->erasesize) {
1262                         const image_header_t *header;
1263                         int ret;
1264
1265                         if (nand_block_isbad(nand, off))
1266                                 continue;
1267
1268                         len = sizeof(buffer);
1269
1270                         ret = nand_read(nand, off, &len, (u8 *)buffer);
1271                         if (ret < 0 && ret != -EUCLEAN) {
1272                                 printf("NAND read error %d at offset %08llX\n",
1273                                                 ret, off);
1274                                 continue;
1275                         }
1276
1277                         switch (genimg_get_format(buffer)) {
1278                         case IMAGE_FORMAT_LEGACY:
1279                                 header = (const image_header_t *)buffer;
1280
1281                                 len = image_get_image_size(header);
1282                                 nand_imls_legacyimage(nand, nand_dev, off, len);
1283                                 break;
1284 #if defined(CONFIG_FIT)
1285                         case IMAGE_FORMAT_FIT:
1286                                 len = fit_get_size(buffer);
1287                                 nand_imls_fitimage(nand, nand_dev, off, len);
1288                                 break;
1289 #endif
1290                         }
1291                 }
1292         }
1293
1294         return 0;
1295 }
1296 #endif
1297
1298 #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
1299 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1300 {
1301         int ret_nor = 0, ret_nand = 0;
1302
1303 #if defined(CONFIG_CMD_IMLS)
1304         ret_nor = do_imls_nor();
1305 #endif
1306
1307 #if defined(CONFIG_CMD_IMLS_NAND)
1308         ret_nand = do_imls_nand();
1309 #endif
1310
1311         if (ret_nor)
1312                 return ret_nor;
1313
1314         if (ret_nand)
1315                 return ret_nand;
1316
1317         return (0);
1318 }
1319
1320 U_BOOT_CMD(
1321         imls,   1,              1,      do_imls,
1322         "list all images found in flash",
1323         "\n"
1324         "    - Prints information about all images found at sector/block\n"
1325         "      boundaries in nor/nand flash."
1326 );
1327 #endif
1328
1329 /*******************************************************************/
1330 /* helper routines */
1331 /*******************************************************************/
1332 #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
1333
1334 #define CONSOLE_ARG     "console="
1335 #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
1336
1337 static void fixup_silent_linux(void)
1338 {
1339         char *buf;
1340         const char *env_val;
1341         char *cmdline = getenv("bootargs");
1342
1343         /* Only fix cmdline when requested */
1344         if (!(gd->flags & GD_FLG_SILENT))
1345                 return;
1346
1347         debug("before silent fix-up: %s\n", cmdline);
1348         if (cmdline && (cmdline[0] != '\0')) {
1349                 char *start = strstr(cmdline, CONSOLE_ARG);
1350
1351                 /* Allocate space for maximum possible new command line */
1352                 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
1353                 if (!buf) {
1354                         debug("%s: out of memory\n", __func__);
1355                         return;
1356                 }
1357
1358                 if (start) {
1359                         char *end = strchr(start, ' ');
1360                         int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
1361
1362                         strncpy(buf, cmdline, num_start_bytes);
1363                         if (end)
1364                                 strcpy(buf + num_start_bytes, end);
1365                         else
1366                                 buf[num_start_bytes] = '\0';
1367                 } else {
1368                         sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
1369                 }
1370                 env_val = buf;
1371         } else {
1372                 buf = NULL;
1373                 env_val = CONSOLE_ARG;
1374         }
1375
1376         setenv("bootargs", env_val);
1377         debug("after silent fix-up: %s\n", env_val);
1378         free(buf);
1379 }
1380 #endif /* CONFIG_SILENT_CONSOLE */
1381
1382
1383 /*******************************************************************/
1384 /* OS booting routines */
1385 /*******************************************************************/
1386
1387 #ifdef CONFIG_BOOTM_NETBSD
1388 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1389                             bootm_headers_t *images)
1390 {
1391         void (*loader)(bd_t *, image_header_t *, char *, char *);
1392         image_header_t *os_hdr, *hdr;
1393         ulong kernel_data, kernel_len;
1394         char *consdev;
1395         char *cmdline;
1396
1397         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1398                 return 1;
1399
1400 #if defined(CONFIG_FIT)
1401         if (!images->legacy_hdr_valid) {
1402                 fit_unsupported_reset("NetBSD");
1403                 return 1;
1404         }
1405 #endif
1406         hdr = images->legacy_hdr_os;
1407
1408         /*
1409          * Booting a (NetBSD) kernel image
1410          *
1411          * This process is pretty similar to a standalone application:
1412          * The (first part of an multi-) image must be a stage-2 loader,
1413          * which in turn is responsible for loading & invoking the actual
1414          * kernel.  The only differences are the parameters being passed:
1415          * besides the board info strucure, the loader expects a command
1416          * line, the name of the console device, and (optionally) the
1417          * address of the original image header.
1418          */
1419         os_hdr = NULL;
1420         if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1421                 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1422                 if (kernel_len)
1423                         os_hdr = hdr;
1424         }
1425
1426         consdev = "";
1427 #if   defined(CONFIG_8xx_CONS_SMC1)
1428         consdev = "smc1";
1429 #elif defined(CONFIG_8xx_CONS_SMC2)
1430         consdev = "smc2";
1431 #elif defined(CONFIG_8xx_CONS_SCC2)
1432         consdev = "scc2";
1433 #elif defined(CONFIG_8xx_CONS_SCC3)
1434         consdev = "scc3";
1435 #endif
1436
1437         if (argc > 0) {
1438                 ulong len;
1439                 int   i;
1440
1441                 for (i = 0, len = 0; i < argc; i += 1)
1442                         len += strlen(argv[i]) + 1;
1443                 cmdline = malloc(len);
1444
1445                 for (i = 0, len = 0; i < argc; i += 1) {
1446                         if (i > 0)
1447                                 cmdline[len++] = ' ';
1448                         strcpy(&cmdline[len], argv[i]);
1449                         len += strlen(argv[i]);
1450                 }
1451         } else if ((cmdline = getenv("bootargs")) == NULL) {
1452                 cmdline = "";
1453         }
1454
1455         loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1456
1457         printf("## Transferring control to NetBSD stage-2 loader "
1458                 "(at address %08lx) ...\n",
1459                 (ulong)loader);
1460
1461         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1462
1463         /*
1464          * NetBSD Stage-2 Loader Parameters:
1465          *   r3: ptr to board info data
1466          *   r4: image address
1467          *   r5: console device
1468          *   r6: boot args string
1469          */
1470         (*loader)(gd->bd, os_hdr, consdev, cmdline);
1471
1472         return 1;
1473 }
1474 #endif /* CONFIG_BOOTM_NETBSD*/
1475
1476 #ifdef CONFIG_LYNXKDI
1477 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1478                              bootm_headers_t *images)
1479 {
1480         image_header_t *hdr = &images->legacy_hdr_os_copy;
1481
1482         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1483                 return 1;
1484
1485 #if defined(CONFIG_FIT)
1486         if (!images->legacy_hdr_valid) {
1487                 fit_unsupported_reset("Lynx");
1488                 return 1;
1489         }
1490 #endif
1491
1492         lynxkdi_boot((image_header_t *)hdr);
1493
1494         return 1;
1495 }
1496 #endif /* CONFIG_LYNXKDI */
1497
1498 #ifdef CONFIG_BOOTM_RTEMS
1499 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1500                            bootm_headers_t *images)
1501 {
1502         void (*entry_point)(bd_t *);
1503
1504         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1505                 return 1;
1506
1507 #if defined(CONFIG_FIT)
1508         if (!images->legacy_hdr_valid) {
1509                 fit_unsupported_reset("RTEMS");
1510                 return 1;
1511         }
1512 #endif
1513
1514         entry_point = (void (*)(bd_t *))images->ep;
1515
1516         printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1517                 (ulong)entry_point);
1518
1519         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1520
1521         /*
1522          * RTEMS Parameters:
1523          *   r3: ptr to board info data
1524          */
1525         (*entry_point)(gd->bd);
1526
1527         return 1;
1528 }
1529 #endif /* CONFIG_BOOTM_RTEMS */
1530
1531 #if defined(CONFIG_BOOTM_OSE)
1532 static int do_bootm_ose(int flag, int argc, char * const argv[],
1533                            bootm_headers_t *images)
1534 {
1535         void (*entry_point)(void);
1536
1537         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1538                 return 1;
1539
1540 #if defined(CONFIG_FIT)
1541         if (!images->legacy_hdr_valid) {
1542                 fit_unsupported_reset("OSE");
1543                 return 1;
1544         }
1545 #endif
1546
1547         entry_point = (void (*)(void))images->ep;
1548
1549         printf("## Transferring control to OSE (at address %08lx) ...\n",
1550                 (ulong)entry_point);
1551
1552         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1553
1554         /*
1555          * OSE Parameters:
1556          *   None
1557          */
1558         (*entry_point)();
1559
1560         return 1;
1561 }
1562 #endif /* CONFIG_BOOTM_OSE */
1563
1564 #if defined(CONFIG_BOOTM_PLAN9)
1565 static int do_bootm_plan9(int flag, int argc, char * const argv[],
1566                            bootm_headers_t *images)
1567 {
1568         void (*entry_point)(void);
1569
1570         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1571                 return 1;
1572
1573 #if defined(CONFIG_FIT)
1574         if (!images->legacy_hdr_valid) {
1575                 fit_unsupported_reset("Plan 9");
1576                 return 1;
1577         }
1578 #endif
1579
1580         entry_point = (void (*)(void))images->ep;
1581
1582         printf("## Transferring control to Plan 9 (at address %08lx) ...\n",
1583                 (ulong)entry_point);
1584
1585         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1586
1587         /*
1588          * Plan 9 Parameters:
1589          *   None
1590          */
1591         (*entry_point)();
1592
1593         return 1;
1594 }
1595 #endif /* CONFIG_BOOTM_PLAN9 */
1596
1597 #if defined(CONFIG_CMD_ELF)
1598 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1599                              bootm_headers_t *images)
1600 {
1601         char str[80];
1602
1603         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1604                 return 1;
1605
1606 #if defined(CONFIG_FIT)
1607         if (!images->legacy_hdr_valid) {
1608                 fit_unsupported_reset("VxWorks");
1609                 return 1;
1610         }
1611 #endif
1612
1613         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1614         setenv("loadaddr", str);
1615         do_bootvx(NULL, 0, 0, NULL);
1616
1617         return 1;
1618 }
1619
1620 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1621                             bootm_headers_t *images)
1622 {
1623         char *local_args[2];
1624         char str[16];
1625
1626         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1627                 return 1;
1628
1629 #if defined(CONFIG_FIT)
1630         if (!images->legacy_hdr_valid) {
1631                 fit_unsupported_reset("QNX");
1632                 return 1;
1633         }
1634 #endif
1635
1636         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1637         local_args[0] = argv[0];
1638         local_args[1] = str;    /* and provide it via the arguments */
1639         do_bootelf(NULL, 0, 2, local_args);
1640
1641         return 1;
1642 }
1643 #endif
1644
1645 #ifdef CONFIG_INTEGRITY
1646 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1647                            bootm_headers_t *images)
1648 {
1649         void (*entry_point)(void);
1650
1651         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1652                 return 1;
1653
1654 #if defined(CONFIG_FIT)
1655         if (!images->legacy_hdr_valid) {
1656                 fit_unsupported_reset("INTEGRITY");
1657                 return 1;
1658         }
1659 #endif
1660
1661         entry_point = (void (*)(void))images->ep;
1662
1663         printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1664                 (ulong)entry_point);
1665
1666         bootstage_mark(BOOTSTAGE_ID_RUN_OS);
1667
1668         /*
1669          * INTEGRITY Parameters:
1670          *   None
1671          */
1672         (*entry_point)();
1673
1674         return 1;
1675 }
1676 #endif
1677
1678 #ifdef CONFIG_CMD_BOOTZ
1679
1680 static int __bootz_setup(void *image, void **start, void **end)
1681 {
1682         /* Please define bootz_setup() for your platform */
1683
1684         puts("Your platform's zImage format isn't supported yet!\n");
1685         return -1;
1686 }
1687 int bootz_setup(void *image, void **start, void **end)
1688         __attribute__((weak, alias("__bootz_setup")));
1689
1690 /*
1691  * zImage booting support
1692  */
1693 static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
1694                         char * const argv[], bootm_headers_t *images)
1695 {
1696         int ret;
1697         void *zi_start, *zi_end;
1698
1699         ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
1700                               images, 1);
1701
1702         /* Setup Linux kernel zImage entry point */
1703         if (argc < 2) {
1704                 images->ep = load_addr;
1705                 debug("*  kernel: default image load address = 0x%08lx\n",
1706                                 load_addr);
1707         } else {
1708                 images->ep = simple_strtoul(argv[1], NULL, 16);
1709                 debug("*  kernel: cmdline image address = 0x%08lx\n",
1710                         images->ep);
1711         }
1712
1713         ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
1714         if (ret != 0)
1715                 return 1;
1716
1717         lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
1718
1719         ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_FINDOTHER,
1720                               images, 1);
1721
1722         return ret;
1723 }
1724
1725 int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1726 {
1727         bootm_headers_t images;
1728         int ret;
1729
1730         if (bootz_start(cmdtp, flag, argc, argv, &images))
1731                 return 1;
1732
1733         ret = do_bootm_states(cmdtp, flag, argc, argv,
1734                               BOOTM_STATE_OS_GO, &images, 1);
1735
1736         return ret;
1737 }
1738
1739 #ifdef CONFIG_SYS_LONGHELP
1740 static char bootz_help_text[] =
1741         "[addr [initrd[:size]] [fdt]]\n"
1742         "    - boot Linux zImage stored in memory\n"
1743         "\tThe argument 'initrd' is optional and specifies the address\n"
1744         "\tof the initrd in memory. The optional argument ':size' allows\n"
1745         "\tspecifying the size of RAW initrd.\n"
1746 #if defined(CONFIG_OF_LIBFDT)
1747         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1748         "\ta third argument is required which is the address of the\n"
1749         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1750         "\tuse a '-' for the second argument. If you do not pass a third\n"
1751         "\ta bd_info struct will be passed instead\n"
1752 #endif
1753         "";
1754 #endif
1755
1756 U_BOOT_CMD(
1757         bootz,  CONFIG_SYS_MAXARGS,     1,      do_bootz,
1758         "boot Linux zImage image from memory", bootz_help_text
1759 );
1760 #endif  /* CONFIG_CMD_BOOTZ */