sunxi: USB download gadget cable detection
[oweals/u-boot.git] / 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                 return CMD_RET_FAILURE;
27         }
28
29         while (1) {
30                 if (g_dnl_detach())
31                         break;
32                 if (ctrlc())
33                         break;
34                 usb_gadget_handle_interrupts();
35         }
36
37         g_dnl_unregister();
38         g_dnl_clear_detach();
39         return CMD_RET_SUCCESS;
40 }
41
42 U_BOOT_CMD(
43         fastboot,       1,      0,      do_fastboot,
44         "use USB Fastboot protocol",
45         "\n"
46         "    - run as a fastboot usb device"
47 );