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