dm.c 1.8 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (c) 2013 Google, Inc
  4. *
  5. * (C) Copyright 2012
  6. * Marek Vasut <marex@denx.de>
  7. */
  8. #include <common.h>
  9. #include <command.h>
  10. #include <dm.h>
  11. #include <malloc.h>
  12. #include <mapmem.h>
  13. #include <errno.h>
  14. #include <asm/io.h>
  15. #include <dm/root.h>
  16. #include <dm/util.h>
  17. static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc,
  18. char * const argv[])
  19. {
  20. dm_dump_all();
  21. return 0;
  22. }
  23. static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
  24. char * const argv[])
  25. {
  26. dm_dump_uclass();
  27. return 0;
  28. }
  29. static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc,
  30. char * const argv[])
  31. {
  32. dm_dump_devres();
  33. return 0;
  34. }
  35. static cmd_tbl_t test_commands[] = {
  36. U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
  37. U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
  38. U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""),
  39. };
  40. static __maybe_unused void dm_reloc(void)
  41. {
  42. static int relocated;
  43. if (!relocated) {
  44. fixup_cmdtable(test_commands, ARRAY_SIZE(test_commands));
  45. relocated = 1;
  46. }
  47. }
  48. static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  49. {
  50. cmd_tbl_t *test_cmd;
  51. int ret;
  52. #ifdef CONFIG_NEEDS_MANUAL_RELOC
  53. dm_reloc();
  54. #endif
  55. if (argc < 2)
  56. return CMD_RET_USAGE;
  57. test_cmd = find_cmd_tbl(argv[1], test_commands,
  58. ARRAY_SIZE(test_commands));
  59. argc -= 2;
  60. argv += 2;
  61. if (!test_cmd || argc > test_cmd->maxargs)
  62. return CMD_RET_USAGE;
  63. ret = test_cmd->cmd(test_cmd, flag, argc, argv);
  64. return cmd_process_error(test_cmd, ret);
  65. }
  66. U_BOOT_CMD(
  67. dm, 3, 1, do_dm,
  68. "Driver model low level access",
  69. "tree Dump driver model tree ('*' = activated)\n"
  70. "dm uclass Dump list of instances for each uclass\n"
  71. "dm devres Dump list of device resources for each device"
  72. );