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