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2f005695 SA |
1 | /* |
2 | * cmd_sdp.c -- sdp command | |
3 | * | |
4 | * Copyright (C) 2016 Toradex | |
5 | * Author: Stefan Agner <stefan.agner@toradex.com> | |
6 | * | |
7 | * SPDX-License-Identifier: GPL-2.0+ | |
8 | */ | |
9 | ||
10 | #include <common.h> | |
11 | #include <g_dnl.h> | |
12 | #include <sdp.h> | |
13 | #include <usb.h> | |
14 | ||
15 | static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
16 | { | |
17 | int ret = CMD_RET_FAILURE; | |
18 | ||
19 | if (argc < 2) | |
20 | return CMD_RET_USAGE; | |
21 | ||
22 | char *usb_controller = argv[1]; | |
23 | int controller_index = simple_strtoul(usb_controller, NULL, 0); | |
24 | board_usb_init(controller_index, USB_INIT_DEVICE); | |
25 | ||
26 | g_dnl_clear_detach(); | |
27 | g_dnl_register("usb_dnl_sdp"); | |
28 | ||
29 | ret = sdp_init(controller_index); | |
30 | if (ret) { | |
31 | error("SDP init failed: %d", ret); | |
32 | goto exit; | |
33 | } | |
34 | ||
35 | /* This command typically does not return but jumps to an image */ | |
36 | sdp_handle(controller_index); | |
37 | error("SDP ended"); | |
38 | ||
39 | exit: | |
40 | g_dnl_unregister(); | |
41 | board_usb_cleanup(controller_index, USB_INIT_DEVICE); | |
42 | ||
43 | return ret; | |
44 | } | |
45 | ||
46 | U_BOOT_CMD(sdp, 2, 1, do_sdp, | |
47 | "Serial Downloader Protocol", | |
48 | "<USB_controller>\n" | |
49 | " - serial downloader protocol via <USB_controller>\n" | |
50 | ); |