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