1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * cmd_thordown.c -- USB TIZEN "THOR" Downloader gadget
4 *
5 * Copyright (C) 2013 Lukasz Majewski <l.majewski@samsung.com>
6 * All rights reserved.
7 */
8
9 #include <common.h>
10 #include <command.h>
11 #include <thor.h>
12 #include <dfu.h>
13 #include <g_dnl.h>
14 #include <usb.h>
15
do_thor_down(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])16 int do_thor_down(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
17 {
18 if (argc < 4)
19 return CMD_RET_USAGE;
20
21 char *usb_controller = argv[1];
22 char *interface = argv[2];
23 char *devstring = argv[3];
24
25 int ret;
26
27 puts("TIZEN \"THOR\" Downloader\n");
28
29 ret = dfu_init_env_entities(interface, devstring);
30 if (ret)
31 goto done;
32
33 int controller_index = simple_strtoul(usb_controller, NULL, 0);
34 ret = usb_gadget_initialize(controller_index);
35 if (ret) {
36 pr_err("USB init failed: %d\n", ret);
37 ret = CMD_RET_FAILURE;
38 goto exit;
39 }
40
41 ret = g_dnl_register("usb_dnl_thor");
42 if (ret) {
43 pr_err("g_dnl_register failed %d\n", ret);
44 ret = CMD_RET_FAILURE;
45 goto exit;
46 }
47
48 ret = thor_init();
49 if (ret) {
50 pr_err("THOR DOWNLOAD failed: %d\n", ret);
51 ret = CMD_RET_FAILURE;
52 goto exit;
53 }
54
55 do {
56 ret = thor_handle();
57 if (ret == THOR_DFU_REINIT_NEEDED) {
58 dfu_free_entities();
59 ret = dfu_init_env_entities(interface, devstring);
60 }
61 if (ret) {
62 pr_err("THOR failed: %d\n", ret);
63 ret = CMD_RET_FAILURE;
64 goto exit;
65 }
66 } while (ret == 0);
67 exit:
68 g_dnl_unregister();
69 usb_gadget_release(controller_index);
70 done:
71 dfu_free_entities();
72
73 return ret;
74 }
75
76 U_BOOT_CMD(thordown, CONFIG_SYS_MAXARGS, 1, do_thor_down,
77 "TIZEN \"THOR\" downloader",
78 "<USB_controller> <interface> <dev>\n"
79 " - device software upgrade via LTHOR TIZEN download\n"
80 " program via <USB_controller> on device <dev>,\n"
81 " attached to interface <interface>\n"
82 );
83