rockusb.c 1.5 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2017 Eddie Cai <eddie.cai.linux@gmail.com>
  4. */
  5. #include <common.h>
  6. #include <command.h>
  7. #include <console.h>
  8. #include <g_dnl.h>
  9. #include <usb.h>
  10. #include <asm/arch-rockchip/f_rockusb.h>
  11. static int do_rockusb(struct cmd_tbl *cmdtp, int flag, int argc,
  12. char *const argv[])
  13. {
  14. int controller_index, dev_index;
  15. char *usb_controller;
  16. char *devtype;
  17. char *devnum;
  18. int ret;
  19. if (argc < 2)
  20. return CMD_RET_USAGE;
  21. usb_controller = argv[1];
  22. controller_index = simple_strtoul(usb_controller, NULL, 0);
  23. if (argc >= 4) {
  24. devtype = argv[2];
  25. devnum = argv[3];
  26. } else {
  27. return CMD_RET_USAGE;
  28. }
  29. dev_index = simple_strtoul(devnum, NULL, 0);
  30. rockusb_dev_init(devtype, dev_index);
  31. ret = usb_gadget_initialize(controller_index);
  32. if (ret) {
  33. printf("USB init failed: %d\n", ret);
  34. return CMD_RET_FAILURE;
  35. }
  36. g_dnl_clear_detach();
  37. ret = g_dnl_register("usb_dnl_rockusb");
  38. if (ret)
  39. return CMD_RET_FAILURE;
  40. if (!g_dnl_board_usb_cable_connected()) {
  41. puts("\rUSB cable not detected, Command exit.\n");
  42. ret = CMD_RET_FAILURE;
  43. goto exit;
  44. }
  45. while (1) {
  46. if (g_dnl_detach())
  47. break;
  48. if (ctrlc())
  49. break;
  50. usb_gadget_handle_interrupts(controller_index);
  51. }
  52. ret = CMD_RET_SUCCESS;
  53. exit:
  54. g_dnl_unregister();
  55. g_dnl_clear_detach();
  56. usb_gadget_release(controller_index);
  57. return ret;
  58. }
  59. U_BOOT_CMD(rockusb, 4, 1, do_rockusb,
  60. "use the rockusb protocol",
  61. "<USB_controller> <devtype> <dev[:part]> e.g. rockusb 0 mmc 0\n"
  62. );