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