git.sur5r.net Git - u-boot/blob - common/image.c

   1 /*
   2  * (C) Copyright 2008 Semihalf
   3  *
   4  * (C) Copyright 2000-2006
   5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef USE_HOSTCC
  11 #include <common.h>
  12 #include <watchdog.h>
  13
  14 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  15 #include <status_led.h>
  16 #endif
  17
  18 #ifdef CONFIG_HAS_DATAFLASH
  19 #include <dataflash.h>
  20 #endif
  21
  22 #ifdef CONFIG_LOGBUFFER
  23 #include <logbuff.h>
  24 #endif
  25
  26 #include <rtc.h>
  27
  28 #include <environment.h>
  29 #include <image.h>
  30 #include <mapmem.h>
  31
  32 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
  33 #include <libfdt.h>
  34 #include <fdt_support.h>
  35 #endif
  36
  37 #include <u-boot/md5.h>
  38 #include <u-boot/sha1.h>
  39 #include <asm/errno.h>
  40 #include <asm/io.h>
  41
  42 #ifdef CONFIG_CMD_BDI
  43 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  44 #endif
  45
  46 DECLARE_GLOBAL_DATA_PTR;
  47
  48 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
  49 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
  50                                                 int verify);
  51 #endif
  52 #else
  53 #include "mkimage.h"
  54 #include <u-boot/md5.h>
  55 #include <time.h>
  56 #include <image.h>
  57
  58 #ifndef __maybe_unused
  59 # define __maybe_unused         /* unimplemented */
  60 #endif
  61 #endif /* !USE_HOSTCC*/
  62
  63 #include <u-boot/crc.h>
  64
  65 #ifndef CONFIG_SYS_BARGSIZE
  66 #define CONFIG_SYS_BARGSIZE 512
  67 #endif
  68
  69 static const table_entry_t uimage_arch[] = {
  70         {       IH_ARCH_INVALID,        NULL,           "Invalid ARCH", },
  71         {       IH_ARCH_ALPHA,          "alpha",        "Alpha",        },
  72         {       IH_ARCH_ARM,            "arm",          "ARM",          },
  73         {       IH_ARCH_I386,           "x86",          "Intel x86",    },
  74         {       IH_ARCH_IA64,           "ia64",         "IA64",         },
  75         {       IH_ARCH_M68K,           "m68k",         "M68K",         },
  76         {       IH_ARCH_MICROBLAZE,     "microblaze",   "MicroBlaze",   },
  77         {       IH_ARCH_MIPS,           "mips",         "MIPS",         },
  78         {       IH_ARCH_MIPS64,         "mips64",       "MIPS 64 Bit",  },
  79         {       IH_ARCH_NIOS2,          "nios2",        "NIOS II",      },
  80         {       IH_ARCH_PPC,            "powerpc",      "PowerPC",      },
  81         {       IH_ARCH_PPC,            "ppc",          "PowerPC",      },
  82         {       IH_ARCH_S390,           "s390",         "IBM S390",     },
  83         {       IH_ARCH_SH,             "sh",           "SuperH",       },
  84         {       IH_ARCH_SPARC,          "sparc",        "SPARC",        },
  85         {       IH_ARCH_SPARC64,        "sparc64",      "SPARC 64 Bit", },
  86         {       IH_ARCH_BLACKFIN,       "blackfin",     "Blackfin",     },
  87         {       IH_ARCH_AVR32,          "avr32",        "AVR32",        },
  88         {       IH_ARCH_NDS32,          "nds32",        "NDS32",        },
  89         {       IH_ARCH_OPENRISC,       "or1k",         "OpenRISC 1000",},
  90         {       IH_ARCH_SANDBOX,        "sandbox",      "Sandbox",      },
  91         {       IH_ARCH_ARM64,          "arm64",        "AArch64",      },
  92         {       IH_ARCH_ARC,            "arc",          "ARC",          },
  93         {       IH_ARCH_X86_64,         "x86_64",       "AMD x86_64",   },
  94         {       -1,                     "",             "",             },
  95 };
  96
  97 static const table_entry_t uimage_os[] = {
  98         {       IH_OS_INVALID,  NULL,           "Invalid OS",           },
  99         {       IH_OS_LINUX,    "linux",        "Linux",                },
 100 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
 101         {       IH_OS_LYNXOS,   "lynxos",       "LynxOS",               },
 102 #endif
 103         {       IH_OS_NETBSD,   "netbsd",       "NetBSD",               },
 104         {       IH_OS_OSE,      "ose",          "Enea OSE",             },
 105         {       IH_OS_PLAN9,    "plan9",        "Plan 9",               },
 106         {       IH_OS_RTEMS,    "rtems",        "RTEMS",                },
 107         {       IH_OS_U_BOOT,   "u-boot",       "U-Boot",               },
 108         {       IH_OS_VXWORKS,  "vxworks",      "VxWorks",              },
 109 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
 110         {       IH_OS_QNX,      "qnx",          "QNX",                  },
 111 #endif
 112 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
 113         {       IH_OS_INTEGRITY,"integrity",    "INTEGRITY",            },
 114 #endif
 115 #ifdef USE_HOSTCC
 116         {       IH_OS_4_4BSD,   "4_4bsd",       "4_4BSD",               },
 117         {       IH_OS_DELL,     "dell",         "Dell",                 },
 118         {       IH_OS_ESIX,     "esix",         "Esix",                 },
 119         {       IH_OS_FREEBSD,  "freebsd",      "FreeBSD",              },
 120         {       IH_OS_IRIX,     "irix",         "Irix",                 },
 121         {       IH_OS_NCR,      "ncr",          "NCR",                  },
 122         {       IH_OS_OPENBSD,  "openbsd",      "OpenBSD",              },
 123         {       IH_OS_PSOS,     "psos",         "pSOS",                 },
 124         {       IH_OS_SCO,      "sco",          "SCO",                  },
 125         {       IH_OS_SOLARIS,  "solaris",      "Solaris",              },
 126         {       IH_OS_SVR4,     "svr4",         "SVR4",                 },
 127 #endif
 128 #if defined(CONFIG_BOOTM_OPENRTOS) || defined(USE_HOSTCC)
 129         {       IH_OS_OPENRTOS, "openrtos",     "OpenRTOS",             },
 130 #endif
 131
 132         {       -1,             "",             "",                     },
 133 };
 134
 135 static const table_entry_t uimage_type[] = {
 136         {       IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
 137         {       IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",   },
 138         {       IH_TYPE_FIRMWARE,   "firmware",   "Firmware",           },
 139         {       IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",   },
 140         {       IH_TYPE_GPIMAGE,    "gpimage",    "TI Keystone SPL Image",},
 141         {       IH_TYPE_KERNEL,     "kernel",     "Kernel Image",       },
 142         {       IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
 143         {       IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
 144         {       IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
 145         {       IH_TYPE_INVALID,    NULL,         "Invalid Image",      },
 146         {       IH_TYPE_MULTI,      "multi",      "Multi-File Image",   },
 147         {       IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
 148         {       IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
 149         {       IH_TYPE_RAMDISK,    "ramdisk",    "RAMDisk Image",      },
 150         {       IH_TYPE_SCRIPT,     "script",     "Script",             },
 151         {       IH_TYPE_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",},
 152         {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
 153         {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
 154         {       IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
 155         {       IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",},
 156         {       IH_TYPE_X86_SETUP,  "x86_setup",  "x86 setup.bin",    },
 157         {       IH_TYPE_LPC32XXIMAGE, "lpc32xximage",  "LPC32XX Boot Image", },
 158         {       IH_TYPE_RKIMAGE,    "rkimage",    "Rockchip Boot Image" },
 159         {       IH_TYPE_RKSD,       "rksd",       "Rockchip SD Boot Image" },
 160         {       IH_TYPE_RKSPI,      "rkspi",      "Rockchip SPI Boot Image" },
 161         {       IH_TYPE_ZYNQIMAGE,  "zynqimage",  "Xilinx Zynq Boot Image" },
 162         {       IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" },
 163         {       IH_TYPE_FPGA,       "fpga",       "FPGA Image" },
 164         {       -1,                 "",           "",                   },
 165 };
 166
 167 static const table_entry_t uimage_comp[] = {
 168         {       IH_COMP_NONE,   "none",         "uncompressed",         },
 169         {       IH_COMP_BZIP2,  "bzip2",        "bzip2 compressed",     },
 170         {       IH_COMP_GZIP,   "gzip",         "gzip compressed",      },
 171         {       IH_COMP_LZMA,   "lzma",         "lzma compressed",      },
 172         {       IH_COMP_LZO,    "lzo",          "lzo compressed",       },
 173         {       IH_COMP_LZ4,    "lz4",          "lz4 compressed",       },
 174         {       -1,             "",             "",                     },
 175 };
 176
 177 /*****************************************************************************/
 178 /* Legacy format routines */
 179 /*****************************************************************************/
 180 int image_check_hcrc(const image_header_t *hdr)
 181 {
 182         ulong hcrc;
 183         ulong len = image_get_header_size();
 184         image_header_t header;
 185
 186         /* Copy header so we can blank CRC field for re-calculation */
 187         memmove(&header, (char *)hdr, image_get_header_size());
 188         image_set_hcrc(&header, 0);
 189
 190         hcrc = crc32(0, (unsigned char *)&header, len);
 191
 192         return (hcrc == image_get_hcrc(hdr));
 193 }
 194
 195 int image_check_dcrc(const image_header_t *hdr)
 196 {
 197         ulong data = image_get_data(hdr);
 198         ulong len = image_get_data_size(hdr);
 199         ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
 200
 201         return (dcrc == image_get_dcrc(hdr));
 202 }
 203
 204 /**
 205  * image_multi_count - get component (sub-image) count
 206  * @hdr: pointer to the header of the multi component image
 207  *
 208  * image_multi_count() returns number of components in a multi
 209  * component image.
 210  *
 211  * Note: no checking of the image type is done, caller must pass
 212  * a valid multi component image.
 213  *
 214  * returns:
 215  *     number of components
 216  */
 217 ulong image_multi_count(const image_header_t *hdr)
 218 {
 219         ulong i, count = 0;
 220         uint32_t *size;
 221
 222         /* get start of the image payload, which in case of multi
 223          * component images that points to a table of component sizes */
 224         size = (uint32_t *)image_get_data(hdr);
 225
 226         /* count non empty slots */
 227         for (i = 0; size[i]; ++i)
 228                 count++;
 229
 230         return count;
 231 }
 232
 233 /**
 234  * image_multi_getimg - get component data address and size
 235  * @hdr: pointer to the header of the multi component image
 236  * @idx: index of the requested component
 237  * @data: pointer to a ulong variable, will hold component data address
 238  * @len: pointer to a ulong variable, will hold component size
 239  *
 240  * image_multi_getimg() returns size and data address for the requested
 241  * component in a multi component image.
 242  *
 243  * Note: no checking of the image type is done, caller must pass
 244  * a valid multi component image.
 245  *
 246  * returns:
 247  *     data address and size of the component, if idx is valid
 248  *     0 in data and len, if idx is out of range
 249  */
 250 void image_multi_getimg(const image_header_t *hdr, ulong idx,
 251                         ulong *data, ulong *len)
 252 {
 253         int i;
 254         uint32_t *size;
 255         ulong offset, count, img_data;
 256
 257         /* get number of component */
 258         count = image_multi_count(hdr);
 259
 260         /* get start of the image payload, which in case of multi
 261          * component images that points to a table of component sizes */
 262         size = (uint32_t *)image_get_data(hdr);
 263
 264         /* get address of the proper component data start, which means
 265          * skipping sizes table (add 1 for last, null entry) */
 266         img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
 267
 268         if (idx < count) {
 269                 *len = uimage_to_cpu(size[idx]);
 270                 offset = 0;
 271
 272                 /* go over all indices preceding requested component idx */
 273                 for (i = 0; i < idx; i++) {
 274                         /* add up i-th component size, rounding up to 4 bytes */
 275                         offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
 276                 }
 277
 278                 /* calculate idx-th component data address */
 279                 *data = img_data + offset;
 280         } else {
 281                 *len = 0;
 282                 *data = 0;
 283         }
 284 }
 285
 286 static void image_print_type(const image_header_t *hdr)
 287 {
 288         const char __maybe_unused *os, *arch, *type, *comp;
 289
 290         os = genimg_get_os_name(image_get_os(hdr));
 291         arch = genimg_get_arch_name(image_get_arch(hdr));
 292         type = genimg_get_type_name(image_get_type(hdr));
 293         comp = genimg_get_comp_name(image_get_comp(hdr));
 294
 295         printf("%s %s %s (%s)\n", arch, os, type, comp);
 296 }
 297
 298 /**
 299  * image_print_contents - prints out the contents of the legacy format image
 300  * @ptr: pointer to the legacy format image header
 301  * @p: pointer to prefix string
 302  *
 303  * image_print_contents() formats a multi line legacy image contents description.
 304  * The routine prints out all header fields followed by the size/offset data
 305  * for MULTI/SCRIPT images.
 306  *
 307  * returns:
 308  *     no returned results
 309  */
 310 void image_print_contents(const void *ptr)
 311 {
 312         const image_header_t *hdr = (const image_header_t *)ptr;
 313         const char __maybe_unused *p;
 314
 315         p = IMAGE_INDENT_STRING;
 316         printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
 317         if (IMAGE_ENABLE_TIMESTAMP) {
 318                 printf("%sCreated:      ", p);
 319                 genimg_print_time((time_t)image_get_time(hdr));
 320         }
 321         printf("%sImage Type:   ", p);
 322         image_print_type(hdr);
 323         printf("%sData Size:    ", p);
 324         genimg_print_size(image_get_data_size(hdr));
 325         printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
 326         printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
 327
 328         if (image_check_type(hdr, IH_TYPE_MULTI) ||
 329                         image_check_type(hdr, IH_TYPE_SCRIPT)) {
 330                 int i;
 331                 ulong data, len;
 332                 ulong count = image_multi_count(hdr);
 333
 334                 printf("%sContents:\n", p);
 335                 for (i = 0; i < count; i++) {
 336                         image_multi_getimg(hdr, i, &data, &len);
 337
 338                         printf("%s   Image %d: ", p, i);
 339                         genimg_print_size(len);
 340
 341                         if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
 342                                 /*
 343                                  * the user may need to know offsets
 344                                  * if planning to do something with
 345                                  * multiple files
 346                                  */
 347                                 printf("%s    Offset = 0x%08lx\n", p, data);
 348                         }
 349                 }
 350         }
 351 }
 352
 353
 354 #ifndef USE_HOSTCC
 355 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
 356 /**
 357  * image_get_ramdisk - get and verify ramdisk image
 358  * @rd_addr: ramdisk image start address
 359  * @arch: expected ramdisk architecture
 360  * @verify: checksum verification flag
 361  *
 362  * image_get_ramdisk() returns a pointer to the verified ramdisk image
 363  * header. Routine receives image start address and expected architecture
 364  * flag. Verification done covers data and header integrity and os/type/arch
 365  * fields checking.
 366  *
 367  * If dataflash support is enabled routine checks for dataflash addresses
 368  * and handles required dataflash reads.
 369  *
 370  * returns:
 371  *     pointer to a ramdisk image header, if image was found and valid
 372  *     otherwise, return NULL
 373  */
 374 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
 375                                                 int verify)
 376 {
 377         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
 378
 379         if (!image_check_magic(rd_hdr)) {
 380                 puts("Bad Magic Number\n");
 381                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
 382                 return NULL;
 383         }
 384
 385         if (!image_check_hcrc(rd_hdr)) {
 386                 puts("Bad Header Checksum\n");
 387                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 388                 return NULL;
 389         }
 390
 391         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
 392         image_print_contents(rd_hdr);
 393
 394         if (verify) {
 395                 puts("   Verifying Checksum ... ");
 396                 if (!image_check_dcrc(rd_hdr)) {
 397                         puts("Bad Data CRC\n");
 398                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
 399                         return NULL;
 400                 }
 401                 puts("OK\n");
 402         }
 403
 404         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 405
 406         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
 407             !image_check_arch(rd_hdr, arch) ||
 408             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
 409                 printf("No Linux %s Ramdisk Image\n",
 410                                 genimg_get_arch_name(arch));
 411                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
 412                 return NULL;
 413         }
 414
 415         return rd_hdr;
 416 }
 417 #endif
 418 #endif /* !USE_HOSTCC */
 419
 420 /*****************************************************************************/
 421 /* Shared dual-format routines */
 422 /*****************************************************************************/
 423 #ifndef USE_HOSTCC
 424 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
 425 ulong save_addr;                        /* Default Save Address */
 426 ulong save_size;                        /* Default Save Size (in bytes) */
 427
 428 static int on_loadaddr(const char *name, const char *value, enum env_op op,
 429         int flags)
 430 {
 431         switch (op) {
 432         case env_op_create:
 433         case env_op_overwrite:
 434                 load_addr = simple_strtoul(value, NULL, 16);
 435                 break;
 436         default:
 437                 break;
 438         }
 439
 440         return 0;
 441 }
 442 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 443
 444 ulong getenv_bootm_low(void)
 445 {
 446         char *s = getenv("bootm_low");
 447         if (s) {
 448                 ulong tmp = simple_strtoul(s, NULL, 16);
 449                 return tmp;
 450         }
 451
 452 #if defined(CONFIG_SYS_SDRAM_BASE)
 453         return CONFIG_SYS_SDRAM_BASE;
 454 #elif defined(CONFIG_ARM)
 455         return gd->bd->bi_dram[0].start;
 456 #else
 457         return 0;
 458 #endif
 459 }
 460
 461 phys_size_t getenv_bootm_size(void)
 462 {
 463         phys_size_t tmp, size;
 464         phys_addr_t start;
 465         char *s = getenv("bootm_size");
 466         if (s) {
 467                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 468                 return tmp;
 469         }
 470
 471 #if defined(CONFIG_ARM) && defined(CONFIG_NR_DRAM_BANKS)
 472         start = gd->bd->bi_dram[0].start;
 473         size = gd->bd->bi_dram[0].size;
 474 #else
 475         start = gd->bd->bi_memstart;
 476         size = gd->bd->bi_memsize;
 477 #endif
 478
 479         s = getenv("bootm_low");
 480         if (s)
 481                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 482         else
 483                 tmp = start;
 484
 485         return size - (tmp - start);
 486 }
 487
 488 phys_size_t getenv_bootm_mapsize(void)
 489 {
 490         phys_size_t tmp;
 491         char *s = getenv("bootm_mapsize");
 492         if (s) {
 493                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 494                 return tmp;
 495         }
 496
 497 #if defined(CONFIG_SYS_BOOTMAPSZ)
 498         return CONFIG_SYS_BOOTMAPSZ;
 499 #else
 500         return getenv_bootm_size();
 501 #endif
 502 }
 503
 504 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 505 {
 506         if (to == from)
 507                 return;
 508
 509 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
 510         if (to > from) {
 511                 from += len;
 512                 to += len;
 513         }
 514         while (len > 0) {
 515                 size_t tail = (len > chunksz) ? chunksz : len;
 516                 WATCHDOG_RESET();
 517                 if (to > from) {
 518                         to -= tail;
 519                         from -= tail;
 520                 }
 521                 memmove(to, from, tail);
 522                 if (to < from) {
 523                         to += tail;
 524                         from += tail;
 525                 }
 526                 len -= tail;
 527         }
 528 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
 529         memmove(to, from, len);
 530 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
 531 }
 532 #endif /* !USE_HOSTCC */
 533
 534 void genimg_print_size(uint32_t size)
 535 {
 536 #ifndef USE_HOSTCC
 537         printf("%d Bytes = ", size);
 538         print_size(size, "\n");
 539 #else
 540         printf("%d Bytes = %.2f kB = %.2f MB\n",
 541                         size, (double)size / 1.024e3,
 542                         (double)size / 1.048576e6);
 543 #endif
 544 }
 545
 546 #if IMAGE_ENABLE_TIMESTAMP
 547 void genimg_print_time(time_t timestamp)
 548 {
 549 #ifndef USE_HOSTCC
 550         struct rtc_time tm;
 551
 552         rtc_to_tm(timestamp, &tm);
 553         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 554                         tm.tm_year, tm.tm_mon, tm.tm_mday,
 555                         tm.tm_hour, tm.tm_min, tm.tm_sec);
 556 #else
 557         printf("%s", ctime(&timestamp));
 558 #endif
 559 }
 560 #endif
 561
 562 const table_entry_t *get_table_entry(const table_entry_t *table, int id)
 563 {
 564         for (; table->id >= 0; ++table) {
 565                 if (table->id == id)
 566                         return table;
 567         }
 568         return NULL;
 569 }
 570
 571 /**
 572  * get_table_entry_name - translate entry id to long name
 573  * @table: pointer to a translation table for entries of a specific type
 574  * @msg: message to be returned when translation fails
 575  * @id: entry id to be translated
 576  *
 577  * get_table_entry_name() will go over translation table trying to find
 578  * entry that matches given id. If matching entry is found, its long
 579  * name is returned to the caller.
 580  *
 581  * returns:
 582  *     long entry name if translation succeeds
 583  *     msg otherwise
 584  */
 585 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
 586 {
 587         table = get_table_entry(table, id);
 588         if (!table)
 589                 return msg;
 590 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 591         return table->lname;
 592 #else
 593         return table->lname + gd->reloc_off;
 594 #endif
 595 }
 596
 597 const char *genimg_get_os_name(uint8_t os)
 598 {
 599         return (get_table_entry_name(uimage_os, "Unknown OS", os));
 600 }
 601
 602 const char *genimg_get_arch_name(uint8_t arch)
 603 {
 604         return (get_table_entry_name(uimage_arch, "Unknown Architecture",
 605                                         arch));
 606 }
 607
 608 const char *genimg_get_type_name(uint8_t type)
 609 {
 610         return (get_table_entry_name(uimage_type, "Unknown Image", type));
 611 }
 612
 613 static const char *genimg_get_short_name(const table_entry_t *table, int val)
 614 {
 615         table = get_table_entry(table, val);
 616         if (!table)
 617                 return "unknown";
 618 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 619         return table->sname;
 620 #else
 621         return table->sname + gd->reloc_off;
 622 #endif
 623 }
 624
 625 const char *genimg_get_type_short_name(uint8_t type)
 626 {
 627         return genimg_get_short_name(uimage_type, type);
 628 }
 629
 630 const char *genimg_get_comp_name(uint8_t comp)
 631 {
 632         return (get_table_entry_name(uimage_comp, "Unknown Compression",
 633                                         comp));
 634 }
 635
 636 const char *genimg_get_comp_short_name(uint8_t comp)
 637 {
 638         return genimg_get_short_name(uimage_comp, comp);
 639 }
 640
 641 const char *genimg_get_os_short_name(uint8_t os)
 642 {
 643         return genimg_get_short_name(uimage_os, os);
 644 }
 645
 646 const char *genimg_get_arch_short_name(uint8_t arch)
 647 {
 648         return genimg_get_short_name(uimage_arch, arch);
 649 }
 650
 651 /**
 652  * get_table_entry_id - translate short entry name to id
 653  * @table: pointer to a translation table for entries of a specific type
 654  * @table_name: to be used in case of error
 655  * @name: entry short name to be translated
 656  *
 657  * get_table_entry_id() will go over translation table trying to find
 658  * entry that matches given short name. If matching entry is found,
 659  * its id returned to the caller.
 660  *
 661  * returns:
 662  *     entry id if translation succeeds
 663  *     -1 otherwise
 664  */
 665 int get_table_entry_id(const table_entry_t *table,
 666                 const char *table_name, const char *name)
 667 {
 668         const table_entry_t *t;
 669
 670         for (t = table; t->id >= 0; ++t) {
 671 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 672                 if (t->sname && strcasecmp(t->sname + gd->reloc_off, name) == 0)
 673 #else
 674                 if (t->sname && strcasecmp(t->sname, name) == 0)
 675 #endif
 676                         return (t->id);
 677         }
 678         debug("Invalid %s Type: %s\n", table_name, name);
 679
 680         return -1;
 681 }
 682
 683 int genimg_get_os_id(const char *name)
 684 {
 685         return (get_table_entry_id(uimage_os, "OS", name));
 686 }
 687
 688 int genimg_get_arch_id(const char *name)
 689 {
 690         return (get_table_entry_id(uimage_arch, "CPU", name));
 691 }
 692
 693 int genimg_get_type_id(const char *name)
 694 {
 695         return (get_table_entry_id(uimage_type, "Image", name));
 696 }
 697
 698 int genimg_get_comp_id(const char *name)
 699 {
 700         return (get_table_entry_id(uimage_comp, "Compression", name));
 701 }
 702
 703 #ifndef USE_HOSTCC
 704 /**
 705  * genimg_get_kernel_addr_fit - get the real kernel address and return 2
 706  *                              FIT strings
 707  * @img_addr: a string might contain real image address
 708  * @fit_uname_config: double pointer to a char, will hold pointer to a
 709  *                    configuration unit name
 710  * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage
 711  *                    name
 712  *
 713  * genimg_get_kernel_addr_fit get the real kernel start address from a string
 714  * which is normally the first argv of bootm/bootz
 715  *
 716  * returns:
 717  *     kernel start address
 718  */
 719 ulong genimg_get_kernel_addr_fit(char * const img_addr,
 720                              const char **fit_uname_config,
 721                              const char **fit_uname_kernel)
 722 {
 723         ulong kernel_addr;
 724
 725         /* find out kernel image address */
 726         if (!img_addr) {
 727                 kernel_addr = load_addr;
 728                 debug("*  kernel: default image load address = 0x%08lx\n",
 729                       load_addr);
 730 #if CONFIG_IS_ENABLED(FIT)
 731         } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr,
 732                                   fit_uname_config)) {
 733                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 734                       *fit_uname_config, kernel_addr);
 735         } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr,
 736                                      fit_uname_kernel)) {
 737                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 738                       *fit_uname_kernel, kernel_addr);
 739 #endif
 740         } else {
 741                 kernel_addr = simple_strtoul(img_addr, NULL, 16);
 742                 debug("*  kernel: cmdline image address = 0x%08lx\n",
 743                       kernel_addr);
 744         }
 745
 746         return kernel_addr;
 747 }
 748
 749 /**
 750  * genimg_get_kernel_addr() is the simple version of
 751  * genimg_get_kernel_addr_fit(). It ignores those return FIT strings
 752  */
 753 ulong genimg_get_kernel_addr(char * const img_addr)
 754 {
 755         const char *fit_uname_config = NULL;
 756         const char *fit_uname_kernel = NULL;
 757
 758         return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config,
 759                                           &fit_uname_kernel);
 760 }
 761
 762 /**
 763  * genimg_get_format - get image format type
 764  * @img_addr: image start address
 765  *
 766  * genimg_get_format() checks whether provided address points to a valid
 767  * legacy or FIT image.
 768  *
 769  * New uImage format and FDT blob are based on a libfdt. FDT blob
 770  * may be passed directly or embedded in a FIT image. In both situations
 771  * genimg_get_format() must be able to dectect libfdt header.
 772  *
 773  * returns:
 774  *     image format type or IMAGE_FORMAT_INVALID if no image is present
 775  */
 776 int genimg_get_format(const void *img_addr)
 777 {
 778 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
 779         const image_header_t *hdr;
 780
 781         hdr = (const image_header_t *)img_addr;
 782         if (image_check_magic(hdr))
 783                 return IMAGE_FORMAT_LEGACY;
 784 #endif
 785 #if IMAGE_ENABLE_FIT || IMAGE_ENABLE_OF_LIBFDT
 786         if (fdt_check_header(img_addr) == 0)
 787                 return IMAGE_FORMAT_FIT;
 788 #endif
 789 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 790         if (android_image_check_header(img_addr) == 0)
 791                 return IMAGE_FORMAT_ANDROID;
 792 #endif
 793
 794         return IMAGE_FORMAT_INVALID;
 795 }
 796
 797 /**
 798  * genimg_get_image - get image from special storage (if necessary)
 799  * @img_addr: image start address
 800  *
 801  * genimg_get_image() checks if provided image start address is located
 802  * in a dataflash storage. If so, image is moved to a system RAM memory.
 803  *
 804  * returns:
 805  *     image start address after possible relocation from special storage
 806  */
 807 ulong genimg_get_image(ulong img_addr)
 808 {
 809         ulong ram_addr = img_addr;
 810
 811 #ifdef CONFIG_HAS_DATAFLASH
 812         ulong h_size, d_size;
 813
 814         if (addr_dataflash(img_addr)) {
 815                 void *buf;
 816
 817                 /* ger RAM address */
 818                 ram_addr = CONFIG_SYS_LOAD_ADDR;
 819
 820                 /* get header size */
 821                 h_size = image_get_header_size();
 822 #if IMAGE_ENABLE_FIT
 823                 if (sizeof(struct fdt_header) > h_size)
 824                         h_size = sizeof(struct fdt_header);
 825 #endif
 826
 827                 /* read in header */
 828                 debug("   Reading image header from dataflash address "
 829                         "%08lx to RAM address %08lx\n", img_addr, ram_addr);
 830
 831                 buf = map_sysmem(ram_addr, 0);
 832                 read_dataflash(img_addr, h_size, buf);
 833
 834                 /* get data size */
 835                 switch (genimg_get_format(buf)) {
 836 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
 837                 case IMAGE_FORMAT_LEGACY:
 838                         d_size = image_get_data_size(buf);
 839                         debug("   Legacy format image found at 0x%08lx, "
 840                                         "size 0x%08lx\n",
 841                                         ram_addr, d_size);
 842                         break;
 843 #endif
 844 #if IMAGE_ENABLE_FIT
 845                 case IMAGE_FORMAT_FIT:
 846                         d_size = fit_get_size(buf) - h_size;
 847                         debug("   FIT/FDT format image found at 0x%08lx, "
 848                                         "size 0x%08lx\n",
 849                                         ram_addr, d_size);
 850                         break;
 851 #endif
 852                 default:
 853                         printf("   No valid image found at 0x%08lx\n",
 854                                 img_addr);
 855                         return ram_addr;
 856                 }
 857
 858                 /* read in image data */
 859                 debug("   Reading image remaining data from dataflash address "
 860                         "%08lx to RAM address %08lx\n", img_addr + h_size,
 861                         ram_addr + h_size);
 862
 863                 read_dataflash(img_addr + h_size, d_size,
 864                                 (char *)(buf + h_size));
 865
 866         }
 867 #endif /* CONFIG_HAS_DATAFLASH */
 868
 869         return ram_addr;
 870 }
 871
 872 /**
 873  * fit_has_config - check if there is a valid FIT configuration
 874  * @images: pointer to the bootm command headers structure
 875  *
 876  * fit_has_config() checks if there is a FIT configuration in use
 877  * (if FTI support is present).
 878  *
 879  * returns:
 880  *     0, no FIT support or no configuration found
 881  *     1, configuration found
 882  */
 883 int genimg_has_config(bootm_headers_t *images)
 884 {
 885 #if IMAGE_ENABLE_FIT
 886         if (images->fit_uname_cfg)
 887                 return 1;
 888 #endif
 889         return 0;
 890 }
 891
 892 /**
 893  * boot_get_ramdisk - main ramdisk handling routine
 894  * @argc: command argument count
 895  * @argv: command argument list
 896  * @images: pointer to the bootm images structure
 897  * @arch: expected ramdisk architecture
 898  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 899  * @rd_end: pointer to a ulong variable, will hold ramdisk end
 900  *
 901  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 902  * Curently supported are the following ramdisk sources:
 903  *      - multicomponent kernel/ramdisk image,
 904  *      - commandline provided address of decicated ramdisk image.
 905  *
 906  * returns:
 907  *     0, if ramdisk image was found and valid, or skiped
 908  *     rd_start and rd_end are set to ramdisk start/end addresses if
 909  *     ramdisk image is found and valid
 910  *
 911  *     1, if ramdisk image is found but corrupted, or invalid
 912  *     rd_start and rd_end are set to 0 if no ramdisk exists
 913  */
 914 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
 915                 uint8_t arch, ulong *rd_start, ulong *rd_end)
 916 {
 917         ulong rd_addr, rd_load;
 918         ulong rd_data, rd_len;
 919 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
 920         const image_header_t *rd_hdr;
 921 #endif
 922         void *buf;
 923 #ifdef CONFIG_SUPPORT_RAW_INITRD
 924         char *end;
 925 #endif
 926 #if IMAGE_ENABLE_FIT
 927         const char      *fit_uname_config = images->fit_uname_cfg;
 928         const char      *fit_uname_ramdisk = NULL;
 929         ulong           default_addr;
 930         int             rd_noffset;
 931 #endif
 932         const char *select = NULL;
 933
 934         *rd_start = 0;
 935         *rd_end = 0;
 936
 937 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 938         /*
 939          * Look for an Android boot image.
 940          */
 941         buf = map_sysmem(images->os.start, 0);
 942         if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID)
 943                 select = argv[0];
 944 #endif
 945
 946         if (argc >= 2)
 947                 select = argv[1];
 948
 949         /*
 950          * Look for a '-' which indicates to ignore the
 951          * ramdisk argument
 952          */
 953         if (select && strcmp(select, "-") ==  0) {
 954                 debug("## Skipping init Ramdisk\n");
 955                 rd_len = rd_data = 0;
 956         } else if (select || genimg_has_config(images)) {
 957 #if IMAGE_ENABLE_FIT
 958                 if (select) {
 959                         /*
 960                          * If the init ramdisk comes from the FIT image and
 961                          * the FIT image address is omitted in the command
 962                          * line argument, try to use os FIT image address or
 963                          * default load address.
 964                          */
 965                         if (images->fit_uname_os)
 966                                 default_addr = (ulong)images->fit_hdr_os;
 967                         else
 968                                 default_addr = load_addr;
 969
 970                         if (fit_parse_conf(select, default_addr,
 971                                            &rd_addr, &fit_uname_config)) {
 972                                 debug("*  ramdisk: config '%s' from image at "
 973                                                 "0x%08lx\n",
 974                                                 fit_uname_config, rd_addr);
 975                         } else if (fit_parse_subimage(select, default_addr,
 976                                                 &rd_addr, &fit_uname_ramdisk)) {
 977                                 debug("*  ramdisk: subimage '%s' from image at "
 978                                                 "0x%08lx\n",
 979                                                 fit_uname_ramdisk, rd_addr);
 980                         } else
 981 #endif
 982                         {
 983                                 rd_addr = simple_strtoul(select, NULL, 16);
 984                                 debug("*  ramdisk: cmdline image address = "
 985                                                 "0x%08lx\n",
 986                                                 rd_addr);
 987                         }
 988 #if IMAGE_ENABLE_FIT
 989                 } else {
 990                         /* use FIT configuration provided in first bootm
 991                          * command argument. If the property is not defined,
 992                          * quit silently.
 993                          */
 994                         rd_addr = map_to_sysmem(images->fit_hdr_os);
 995                         rd_noffset = fit_get_node_from_config(images,
 996                                         FIT_RAMDISK_PROP, rd_addr);
 997                         if (rd_noffset == -ENOLINK)
 998                                 return 0;
 999                         else if (rd_noffset < 0)
1000                                 return 1;
1001                 }
1002 #endif
1003
1004                 /* copy from dataflash if needed */
1005                 rd_addr = genimg_get_image(rd_addr);
1006
1007                 /*
1008                  * Check if there is an initrd image at the
1009                  * address provided in the second bootm argument
1010                  * check image type, for FIT images get FIT node.
1011                  */
1012                 buf = map_sysmem(rd_addr, 0);
1013                 switch (genimg_get_format(buf)) {
1014 #if defined(CONFIG_IMAGE_FORMAT_LEGACY)
1015                 case IMAGE_FORMAT_LEGACY:
1016                         printf("## Loading init Ramdisk from Legacy "
1017                                         "Image at %08lx ...\n", rd_addr);
1018
1019                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
1020                         rd_hdr = image_get_ramdisk(rd_addr, arch,
1021                                                         images->verify);
1022
1023                         if (rd_hdr == NULL)
1024                                 return 1;
1025
1026                         rd_data = image_get_data(rd_hdr);
1027                         rd_len = image_get_data_size(rd_hdr);
1028                         rd_load = image_get_load(rd_hdr);
1029                         break;
1030 #endif
1031 #if IMAGE_ENABLE_FIT
1032                 case IMAGE_FORMAT_FIT:
1033                         rd_noffset = fit_image_load(images,
1034                                         rd_addr, &fit_uname_ramdisk,
1035                                         &fit_uname_config, arch,
1036                                         IH_TYPE_RAMDISK,
1037                                         BOOTSTAGE_ID_FIT_RD_START,
1038                                         FIT_LOAD_OPTIONAL_NON_ZERO,
1039                                         &rd_data, &rd_len);
1040                         if (rd_noffset < 0)
1041                                 return 1;
1042
1043                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
1044                         images->fit_uname_rd = fit_uname_ramdisk;
1045                         images->fit_noffset_rd = rd_noffset;
1046                         break;
1047 #endif
1048 #ifdef CONFIG_ANDROID_BOOT_IMAGE
1049                 case IMAGE_FORMAT_ANDROID:
1050                         android_image_get_ramdisk((void *)images->os.start,
1051                                 &rd_data, &rd_len);
1052                         break;
1053 #endif
1054                 default:
1055 #ifdef CONFIG_SUPPORT_RAW_INITRD
1056                         end = NULL;
1057                         if (select)
1058                                 end = strchr(select, ':');
1059                         if (end) {
1060                                 rd_len = simple_strtoul(++end, NULL, 16);
1061                                 rd_data = rd_addr;
1062                         } else
1063 #endif
1064                         {
1065                                 puts("Wrong Ramdisk Image Format\n");
1066                                 rd_data = rd_len = rd_load = 0;
1067                                 return 1;
1068                         }
1069                 }
1070         } else if (images->legacy_hdr_valid &&
1071                         image_check_type(&images->legacy_hdr_os_copy,
1072                                                 IH_TYPE_MULTI)) {
1073
1074                 /*
1075                  * Now check if we have a legacy mult-component image,
1076                  * get second entry data start address and len.
1077                  */
1078                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
1079                 printf("## Loading init Ramdisk from multi component "
1080                                 "Legacy Image at %08lx ...\n",
1081                                 (ulong)images->legacy_hdr_os);
1082
1083                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
1084         } else {
1085                 /*
1086                  * no initrd image
1087                  */
1088                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
1089                 rd_len = rd_data = 0;
1090         }
1091
1092         if (!rd_data) {
1093                 debug("## No init Ramdisk\n");
1094         } else {
1095                 *rd_start = rd_data;
1096                 *rd_end = rd_data + rd_len;
1097         }
1098         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
1099                         *rd_start, *rd_end);
1100
1101         return 0;
1102 }
1103
1104 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1105 /**
1106  * boot_ramdisk_high - relocate init ramdisk
1107  * @lmb: pointer to lmb handle, will be used for memory mgmt
1108  * @rd_data: ramdisk data start address
1109  * @rd_len: ramdisk data length
1110  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
1111  *      start address (after possible relocation)
1112  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
1113  *      end address (after possible relocation)
1114  *
1115  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
1116  * variable and if requested ramdisk data is moved to a specified location.
1117  *
1118  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
1119  * start/end addresses if ramdisk image start and len were provided,
1120  * otherwise set initrd_start and initrd_end set to zeros.
1121  *
1122  * returns:
1123  *      0 - success
1124  *     -1 - failure
1125  */
1126 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
1127                   ulong *initrd_start, ulong *initrd_end)
1128 {
1129         char    *s;
1130         ulong   initrd_high;
1131         int     initrd_copy_to_ram = 1;
1132
1133         if ((s = getenv("initrd_high")) != NULL) {
1134                 /* a value of "no" or a similar string will act like 0,
1135                  * turning the "load high" feature off. This is intentional.
1136                  */
1137                 initrd_high = simple_strtoul(s, NULL, 16);
1138                 if (initrd_high == ~0)
1139                         initrd_copy_to_ram = 0;
1140         } else {
1141                 initrd_high = getenv_bootm_mapsize() + getenv_bootm_low();
1142         }
1143
1144
1145 #ifdef CONFIG_LOGBUFFER
1146         /* Prevent initrd from overwriting logbuffer */
1147         lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
1148 #endif
1149
1150         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1151                         initrd_high, initrd_copy_to_ram);
1152
1153         if (rd_data) {
1154                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
1155                         debug("   in-place initrd\n");
1156                         *initrd_start = rd_data;
1157                         *initrd_end = rd_data + rd_len;
1158                         lmb_reserve(lmb, rd_data, rd_len);
1159                 } else {
1160                         if (initrd_high)
1161                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
1162                                                 rd_len, 0x1000, initrd_high);
1163                         else
1164                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1165                                                                  0x1000);
1166
1167                         if (*initrd_start == 0) {
1168                                 puts("ramdisk - allocation error\n");
1169                                 goto error;
1170                         }
1171                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1172
1173                         *initrd_end = *initrd_start + rd_len;
1174                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1175                                         *initrd_start, *initrd_end);
1176
1177                         memmove_wd((void *)*initrd_start,
1178                                         (void *)rd_data, rd_len, CHUNKSZ);
1179
1180 #ifdef CONFIG_MP
1181                         /*
1182                          * Ensure the image is flushed to memory to handle
1183                          * AMP boot scenarios in which we might not be
1184                          * HW cache coherent
1185                          */
1186                         flush_cache((unsigned long)*initrd_start, rd_len);
1187 #endif
1188                         puts("OK\n");
1189                 }
1190         } else {
1191                 *initrd_start = 0;
1192                 *initrd_end = 0;
1193         }
1194         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1195                         *initrd_start, *initrd_end);
1196
1197         return 0;
1198
1199 error:
1200         return -1;
1201 }
1202 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1203
1204 int boot_get_setup(bootm_headers_t *images, uint8_t arch,
1205                    ulong *setup_start, ulong *setup_len)
1206 {
1207 #if IMAGE_ENABLE_FIT
1208         return boot_get_setup_fit(images, arch, setup_start, setup_len);
1209 #else
1210         return -ENOENT;
1211 #endif
1212 }
1213
1214 #if IMAGE_ENABLE_FIT
1215 int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
1216                 uint8_t arch, const ulong *ld_start, ulong * const ld_len)
1217 {
1218         /*
1219          * These variables are used to hold the current image location
1220          * in system memory.
1221          */
1222         ulong tmp_img_addr;
1223         /*
1224          * These two variables are requirements for fit_image_load, but
1225          * their values are not used
1226          */
1227         ulong img_data, img_len;
1228         void *buf;
1229         int loadables_index;
1230         int conf_noffset;
1231         int fit_img_result;
1232         char *uname;
1233
1234         /* Check to see if the images struct has a FIT configuration */
1235         if (!genimg_has_config(images)) {
1236                 debug("## FIT configuration was not specified\n");
1237                 return 0;
1238         }
1239
1240         /*
1241          * Obtain the os FIT header from the images struct
1242          * copy from dataflash if needed
1243          */
1244         tmp_img_addr = map_to_sysmem(images->fit_hdr_os);
1245         tmp_img_addr = genimg_get_image(tmp_img_addr);
1246         buf = map_sysmem(tmp_img_addr, 0);
1247         /*
1248          * Check image type. For FIT images get FIT node
1249          * and attempt to locate a generic binary.
1250          */
1251         switch (genimg_get_format(buf)) {
1252         case IMAGE_FORMAT_FIT:
1253                 conf_noffset = fit_conf_get_node(buf, images->fit_uname_cfg);
1254
1255                 for (loadables_index = 0;
1256                      fdt_get_string_index(buf, conf_noffset,
1257                                 FIT_LOADABLE_PROP,
1258                                 loadables_index,
1259                                 (const char **)&uname) == 0;
1260                      loadables_index++)
1261                 {
1262                         fit_img_result = fit_image_load(images,
1263                                 tmp_img_addr,
1264                                 (const char **)&uname,
1265                                 &(images->fit_uname_cfg), arch,
1266                                 IH_TYPE_LOADABLE,
1267                                 BOOTSTAGE_ID_FIT_LOADABLE_START,
1268                                 FIT_LOAD_OPTIONAL_NON_ZERO,
1269                                 &img_data, &img_len);
1270                         if (fit_img_result < 0) {
1271                                 /* Something went wrong! */
1272                                 return fit_img_result;
1273                         }
1274                 }
1275                 break;
1276         default:
1277                 printf("The given image format is not supported (corrupt?)\n");
1278                 return 1;
1279         }
1280
1281         return 0;
1282 }
1283 #endif
1284
1285 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1286 /**
1287  * boot_get_cmdline - allocate and initialize kernel cmdline
1288  * @lmb: pointer to lmb handle, will be used for memory mgmt
1289  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1290  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1291  *
1292  * boot_get_cmdline() allocates space for kernel command line below
1293  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-Boot environemnt
1294  * variable is present its contents is copied to allocated kernel
1295  * command line.
1296  *
1297  * returns:
1298  *      0 - success
1299  *     -1 - failure
1300  */
1301 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1302 {
1303         char *cmdline;
1304         char *s;
1305
1306         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1307                                 getenv_bootm_mapsize() + getenv_bootm_low());
1308
1309         if (cmdline == NULL)
1310                 return -1;
1311
1312         if ((s = getenv("bootargs")) == NULL)
1313                 s = "";
1314
1315         strcpy(cmdline, s);
1316
1317         *cmd_start = (ulong) & cmdline[0];
1318         *cmd_end = *cmd_start + strlen(cmdline);
1319
1320         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1321
1322         return 0;
1323 }
1324 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1325
1326 #ifdef CONFIG_SYS_BOOT_GET_KBD
1327 /**
1328  * boot_get_kbd - allocate and initialize kernel copy of board info
1329  * @lmb: pointer to lmb handle, will be used for memory mgmt
1330  * @kbd: double pointer to board info data
1331  *
1332  * boot_get_kbd() allocates space for kernel copy of board info data below
1333  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1334  * with the current u-boot board info data.
1335  *
1336  * returns:
1337  *      0 - success
1338  *     -1 - failure
1339  */
1340 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1341 {
1342         *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1343                                 getenv_bootm_mapsize() + getenv_bootm_low());
1344         if (*kbd == NULL)
1345                 return -1;
1346
1347         **kbd = *(gd->bd);
1348
1349         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1350
1351 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1352         do_bdinfo(NULL, 0, 0, NULL);
1353 #endif
1354
1355         return 0;
1356 }
1357 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1358
1359 #ifdef CONFIG_LMB
1360 int image_setup_linux(bootm_headers_t *images)
1361 {
1362         ulong of_size = images->ft_len;
1363         char **of_flat_tree = &images->ft_addr;
1364         ulong *initrd_start = &images->initrd_start;
1365         ulong *initrd_end = &images->initrd_end;
1366         struct lmb *lmb = &images->lmb;
1367         ulong rd_len;
1368         int ret;
1369
1370         if (IMAGE_ENABLE_OF_LIBFDT)
1371                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1372
1373         if (IMAGE_BOOT_GET_CMDLINE) {
1374                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1375                                 &images->cmdline_end);
1376                 if (ret) {
1377                         puts("ERROR with allocation of cmdline\n");
1378                         return ret;
1379                 }
1380         }
1381         if (IMAGE_ENABLE_RAMDISK_HIGH) {
1382                 rd_len = images->rd_end - images->rd_start;
1383                 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1384                                 initrd_start, initrd_end);
1385                 if (ret)
1386                         return ret;
1387         }
1388
1389         if (IMAGE_ENABLE_OF_LIBFDT) {
1390                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1391                 if (ret)
1392                         return ret;
1393         }
1394
1395         if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1396                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1397                 if (ret)
1398                         return ret;
1399         }
1400
1401         return 0;
1402 }
1403 #endif /* CONFIG_LMB */
1404 #endif /* !USE_HOSTCC */