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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
2f005695 SA |
2 | /* |
3 | * cmd_sdp.c -- sdp command | |
4 | * | |
5 | * Copyright (C) 2016 Toradex | |
6 | * Author: Stefan Agner <stefan.agner@toradex.com> | |
2f005695 SA |
7 | */ |
8 | ||
9 | #include <common.h> | |
10 | #include <g_dnl.h> | |
11 | #include <sdp.h> | |
12 | #include <usb.h> | |
13 | ||
14 | static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
15 | { | |
16 | int ret = CMD_RET_FAILURE; | |
17 | ||
18 | if (argc < 2) | |
19 | return CMD_RET_USAGE; | |
20 | ||
21 | char *usb_controller = argv[1]; | |
22 | int controller_index = simple_strtoul(usb_controller, NULL, 0); | |
23 | board_usb_init(controller_index, USB_INIT_DEVICE); | |
24 | ||
25 | g_dnl_clear_detach(); | |
26 | g_dnl_register("usb_dnl_sdp"); | |
27 | ||
28 | ret = sdp_init(controller_index); | |
29 | if (ret) { | |
24ccd0c8 | 30 | pr_err("SDP init failed: %d\n", ret); |
2f005695 SA |
31 | goto exit; |
32 | } | |
33 | ||
34 | /* This command typically does not return but jumps to an image */ | |
35 | sdp_handle(controller_index); | |
24ccd0c8 | 36 | pr_err("SDP ended\n"); |
2f005695 SA |
37 | |
38 | exit: | |
39 | g_dnl_unregister(); | |
40 | board_usb_cleanup(controller_index, USB_INIT_DEVICE); | |
41 | ||
42 | return ret; | |
43 | } | |
44 | ||
45 | U_BOOT_CMD(sdp, 2, 1, do_sdp, | |
46 | "Serial Downloader Protocol", | |
47 | "<USB_controller>\n" | |
48 | " - serial downloader protocol via <USB_controller>\n" | |
49 | ); |