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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 <console.h>
13 #include <g_dnl.h>
14 #include <usb.h>
15
16 static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
17 {
18 int controller_index;
19 char *usb_controller;
20 int ret;
21
22 if (argc < 2)
23 return CMD_RET_USAGE;
24
25 usb_controller = argv[1];
26 controller_index = simple_strtoul(usb_controller, NULL, 0);
27
28 ret = board_usb_init(controller_index, USB_INIT_DEVICE);
29 if (ret) {
30 error("USB init failed: %d", ret);
31 return CMD_RET_FAILURE;
32 }
33
34 g_dnl_clear_detach();
35 ret = g_dnl_register("usb_dnl_fastboot");
36 if (ret)
37 return ret;
38
39 if (!g_dnl_board_usb_cable_connected()) {
40 puts("\rUSB cable not detected.\n" \
41 "Command exit.\n");
42 ret = CMD_RET_FAILURE;
43 goto exit;
44 }
45
46 while (1) {
47 if (g_dnl_detach())
48 break;
49 if (ctrlc())
50 break;
51 usb_gadget_handle_interrupts(controller_index);
52 }
53
54 ret = CMD_RET_SUCCESS;
55
56 exit:
57 g_dnl_unregister();
58 g_dnl_clear_detach();
59 board_usb_cleanup(controller_index, USB_INIT_DEVICE);
60
61 return ret;
62 }
63
64 U_BOOT_CMD(
65 fastboot, 2, 1, do_fastboot,
66 "use USB Fastboot protocol",
67 "<USB_controller>\n"
68 " - run as a fastboot usb device"
69 );