rockusb.c 1.5 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273
  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(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  12. {
  13. int controller_index, dev_index;
  14. char *usb_controller;
  15. char *devtype;
  16. char *devnum;
  17. int ret;
  18. if (argc < 2)
  19. return CMD_RET_USAGE;
  20. usb_controller = argv[1];
  21. controller_index = simple_strtoul(usb_controller, NULL, 0);
  22. if (argc >= 4) {
  23. devtype = argv[2];
  24. devnum = argv[3];
  25. } else {
  26. return CMD_RET_USAGE;
  27. }
  28. dev_index = simple_strtoul(devnum, NULL, 0);
  29. rockusb_dev_init(devtype, dev_index);
  30. ret = usb_gadget_initialize(controller_index);
  31. if (ret) {
  32. printf("USB init failed: %d\n", ret);
  33. return CMD_RET_FAILURE;
  34. }
  35. g_dnl_clear_detach();
  36. ret = g_dnl_register("usb_dnl_rockusb");
  37. if (ret)
  38. return CMD_RET_FAILURE;
  39. if (!g_dnl_board_usb_cable_connected()) {
  40. puts("\rUSB cable not detected, Command exit.\n");
  41. ret = CMD_RET_FAILURE;
  42. goto exit;
  43. }
  44. while (1) {
  45. if (g_dnl_detach())
  46. break;
  47. if (ctrlc())
  48. break;
  49. usb_gadget_handle_interrupts(controller_index);
  50. }
  51. ret = CMD_RET_SUCCESS;
  52. exit:
  53. g_dnl_unregister();
  54. g_dnl_clear_detach();
  55. usb_gadget_release(controller_index);
  56. return ret;
  57. }
  58. U_BOOT_CMD(rockusb, 4, 1, do_rockusb,
  59. "use the rockusb protocol",
  60. "<USB_controller> <devtype> <dev[:part]> e.g. rockusb 0 mmc 0\n"
  61. );