disk.c 3.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2000-2011
  4. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  5. */
  6. #include <common.h>
  7. #include <bootstage.h>
  8. #include <command.h>
  9. #include <cpu_func.h>
  10. #include <image.h>
  11. #include <log.h>
  12. #include <part.h>
  13. int common_diskboot(struct cmd_tbl *cmdtp, const char *intf, int argc,
  14. char *const argv[])
  15. {
  16. __maybe_unused int dev;
  17. int part;
  18. ulong addr = CONFIG_SYS_LOAD_ADDR;
  19. ulong cnt;
  20. struct disk_partition info;
  21. #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
  22. image_header_t *hdr;
  23. #endif
  24. struct blk_desc *dev_desc;
  25. #if CONFIG_IS_ENABLED(FIT)
  26. const void *fit_hdr = NULL;
  27. #endif
  28. bootstage_mark(BOOTSTAGE_ID_IDE_START);
  29. if (argc > 3) {
  30. bootstage_error(BOOTSTAGE_ID_IDE_ADDR);
  31. return CMD_RET_USAGE;
  32. }
  33. bootstage_mark(BOOTSTAGE_ID_IDE_ADDR);
  34. if (argc > 1)
  35. addr = hextoul(argv[1], NULL);
  36. bootstage_mark(BOOTSTAGE_ID_IDE_BOOT_DEVICE);
  37. part = blk_get_device_part_str(intf, (argc == 3) ? argv[2] : NULL,
  38. &dev_desc, &info, 1);
  39. if (part < 0) {
  40. bootstage_error(BOOTSTAGE_ID_IDE_TYPE);
  41. return 1;
  42. }
  43. dev = dev_desc->devnum;
  44. bootstage_mark(BOOTSTAGE_ID_IDE_TYPE);
  45. printf("\nLoading from %s device %d, partition %d: "
  46. "Name: %.32s Type: %.32s\n", intf, dev, part, info.name,
  47. info.type);
  48. debug("First Block: " LBAFU ", # of blocks: " LBAFU
  49. ", Block Size: %ld\n",
  50. info.start, info.size, info.blksz);
  51. if (blk_dread(dev_desc, info.start, 1, (ulong *)addr) != 1) {
  52. printf("** Read error on %d:%d\n", dev, part);
  53. bootstage_error(BOOTSTAGE_ID_IDE_PART_READ);
  54. return 1;
  55. }
  56. bootstage_mark(BOOTSTAGE_ID_IDE_PART_READ);
  57. switch (genimg_get_format((void *) addr)) {
  58. #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
  59. case IMAGE_FORMAT_LEGACY:
  60. hdr = (image_header_t *) addr;
  61. bootstage_mark(BOOTSTAGE_ID_IDE_FORMAT);
  62. if (!image_check_hcrc(hdr)) {
  63. puts("\n** Bad Header Checksum **\n");
  64. bootstage_error(BOOTSTAGE_ID_IDE_CHECKSUM);
  65. return 1;
  66. }
  67. bootstage_mark(BOOTSTAGE_ID_IDE_CHECKSUM);
  68. image_print_contents(hdr);
  69. cnt = image_get_image_size(hdr);
  70. break;
  71. #endif
  72. #if CONFIG_IS_ENABLED(FIT)
  73. case IMAGE_FORMAT_FIT:
  74. fit_hdr = (const void *) addr;
  75. puts("Fit image detected...\n");
  76. cnt = fit_get_size(fit_hdr);
  77. break;
  78. #endif
  79. default:
  80. bootstage_error(BOOTSTAGE_ID_IDE_FORMAT);
  81. puts("** Unknown image type\n");
  82. return 1;
  83. }
  84. cnt += info.blksz - 1;
  85. cnt /= info.blksz;
  86. cnt -= 1;
  87. if (blk_dread(dev_desc, info.start + 1, cnt,
  88. (ulong *)(addr + info.blksz)) != cnt) {
  89. printf("** Read error on %d:%d\n", dev, part);
  90. bootstage_error(BOOTSTAGE_ID_IDE_READ);
  91. return 1;
  92. }
  93. bootstage_mark(BOOTSTAGE_ID_IDE_READ);
  94. #if CONFIG_IS_ENABLED(FIT)
  95. /* This cannot be done earlier,
  96. * we need complete FIT image in RAM first */
  97. if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) {
  98. if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) {
  99. bootstage_error(BOOTSTAGE_ID_IDE_FIT_READ);
  100. puts("** Bad FIT image format\n");
  101. return 1;
  102. }
  103. bootstage_mark(BOOTSTAGE_ID_IDE_FIT_READ_OK);
  104. }
  105. #endif
  106. flush_cache(addr, (cnt+1)*info.blksz);
  107. /* Loading ok, update default load address */
  108. image_load_addr = addr;
  109. return bootm_maybe_autostart(cmdtp, argv[0]);
  110. }