cmd_demo.c 2.2 KB

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  1. /*
  2. * Copyright (c) 2013 Google, Inc
  3. *
  4. * (C) Copyright 2012
  5. * Pavel Herrmann <morpheus.ibis@gmail.com>
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #include <common.h>
  10. #include <dm-demo.h>
  11. #include <asm/io.h>
  12. struct udevice *demo_dev;
  13. static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc,
  14. char * const argv[])
  15. {
  16. int ch = 0;
  17. if (argc)
  18. ch = *argv[0];
  19. return demo_hello(demo_dev, ch);
  20. }
  21. static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc,
  22. char * const argv[])
  23. {
  24. int status;
  25. int ret;
  26. ret = demo_status(demo_dev, &status);
  27. if (ret)
  28. return ret;
  29. printf("Status: %d\n", status);
  30. return 0;
  31. }
  32. int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  33. {
  34. struct udevice *dev;
  35. int i, ret;
  36. puts("Demo uclass entries:\n");
  37. for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
  38. dev;
  39. ret = uclass_next_device(&dev)) {
  40. printf("entry %d - instance %08x, ops %08x, platdata %08x\n",
  41. i++, map_to_sysmem(dev),
  42. map_to_sysmem(dev->driver->ops),
  43. map_to_sysmem(dev_get_platdata(dev)));
  44. }
  45. return cmd_process_error(cmdtp, ret);
  46. }
  47. static cmd_tbl_t demo_commands[] = {
  48. U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""),
  49. U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""),
  50. U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
  51. };
  52. static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  53. {
  54. cmd_tbl_t *demo_cmd;
  55. int devnum = 0;
  56. int ret;
  57. if (argc < 2)
  58. return CMD_RET_USAGE;
  59. demo_cmd = find_cmd_tbl(argv[1], demo_commands,
  60. ARRAY_SIZE(demo_commands));
  61. argc -= 2;
  62. argv += 2;
  63. if (!demo_cmd || argc > demo_cmd->maxargs)
  64. return CMD_RET_USAGE;
  65. if (argc) {
  66. devnum = simple_strtoul(argv[0], NULL, 10);
  67. ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev);
  68. if (ret)
  69. return cmd_process_error(cmdtp, ret);
  70. argc--;
  71. argv++;
  72. }
  73. ret = demo_cmd->cmd(demo_cmd, flag, argc, argv);
  74. return cmd_process_error(demo_cmd, ret);
  75. }
  76. U_BOOT_CMD(
  77. demo, 4, 1, do_demo,
  78. "Driver model (dm) demo operations",
  79. "list List available demo devices\n"
  80. "demo hello <num> [<char>] Say hello\n"
  81. "demo status <num> Get demo device status"
  82. );