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