common/cmd_fastboot.c

   1 /*
   2  * Copyright 2008 - 2009 Windriver, <www.windriver.com>
   3  * Author: Tom Rix <Tom.Rix@windriver.com>
   4  *
   5  * (C) Copyright 2014 Linaro, Ltd.
   6  * Rob Herring <robh@kernel.org>
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10 #include <common.h>
  11 #include <command.h>
  12 #include <g_dnl.h>
  13
  14 static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  15 {
  16         int ret;
  17
  18         g_dnl_clear_detach();
  19         ret = g_dnl_register("usb_dnl_fastboot");
  20         if (ret)
  21                 return ret;
  22
  23         if (!g_dnl_board_usb_cable_connected()) {
  24                 puts("\rUSB cable not detected.\n" \
  25                      "Command exit.\n");
  26                 g_dnl_unregister();
  27                 g_dnl_clear_detach();
  28                 return CMD_RET_FAILURE;
  29         }
  30
  31         while (1) {
  32                 if (g_dnl_detach())
  33                         break;
  34                 if (ctrlc())
  35                         break;
  36                 usb_gadget_handle_interrupts(0);
  37         }
  38
  39         g_dnl_unregister();
  40         g_dnl_clear_detach();
  41         return CMD_RET_SUCCESS;
  42 }
  43
  44 U_BOOT_CMD(
  45         fastboot,       1,      0,      do_fastboot,
  46         "use USB Fastboot protocol",
  47         "\n"
  48         "    - run as a fastboot usb device"
  49 );