1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * cmd_dfu.c -- dfu command
4 *
5 * Copyright (C) 2015
6 * Lukasz Majewski <l.majewski@majess.pl>
7 *
8 * Copyright (C) 2012 Samsung Electronics
9 * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
10 * Lukasz Majewski <l.majewski@samsung.com>
11 */
12
13 #include <common.h>
14 #include <command.h>
15 #include <watchdog.h>
16 #include <dfu.h>
17 #include <console.h>
18 #include <g_dnl.h>
19 #include <usb.h>
20 #include <net.h>
21
do_dfu(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])22 static int do_dfu(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
23 {
24
25 if (argc < 2)
26 return CMD_RET_USAGE;
27
28 #ifdef CONFIG_DFU_OVER_USB
29 char *usb_controller = argv[1];
30 #endif
31 char *interface = NULL;
32 char *devstring = NULL;
33 #if defined(CONFIG_DFU_TIMEOUT) || defined(CONFIG_DFU_OVER_TFTP)
34 unsigned long value = 0;
35 #endif
36 if (argc >= 4) {
37 interface = argv[2];
38 devstring = argv[3];
39 }
40
41 #if defined(CONFIG_DFU_TIMEOUT) || defined(CONFIG_DFU_OVER_TFTP)
42 if (argc == 5 || argc == 3)
43 value = simple_strtoul(argv[argc - 1], NULL, 0);
44 #endif
45
46 int ret = 0;
47 #ifdef CONFIG_DFU_OVER_TFTP
48 if (!strcmp(argv[1], "tftp"))
49 return update_tftp(value, interface, devstring);
50 #endif
51 ret = dfu_init_env_entities(interface, devstring);
52 if (ret)
53 goto done;
54
55 #ifdef CONFIG_DFU_TIMEOUT
56 dfu_set_timeout(value * 1000);
57 #endif
58
59 ret = CMD_RET_SUCCESS;
60 if (strcmp(argv[argc - 1], "list") == 0) {
61 dfu_show_entities();
62 goto done;
63 }
64
65 #ifdef CONFIG_DFU_OVER_USB
66 int controller_index = simple_strtoul(usb_controller, NULL, 0);
67 bool retry = false;
68 do {
69 ret = run_usb_dnl_gadget(controller_index, "usb_dnl_dfu");
70
71 if (dfu_reinit_needed) {
72 dfu_free_entities();
73 ret = dfu_init_env_entities(interface, devstring);
74 if (ret)
75 goto done;
76 retry = true;
77 }
78 } while (retry);
79
80 #endif
81 done:
82 dfu_free_entities();
83 return ret;
84 }
85
86 U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
87 "Device Firmware Upgrade",
88 ""
89 #ifdef CONFIG_DFU_OVER_USB
90 #ifdef CONFIG_DFU_TIMEOUT
91 "<USB_controller> [<interface> <dev>] [<timeout>] [list]\n"
92 #else
93 "<USB_controller> [<interface> <dev>] [list]\n"
94 #endif
95 " - device firmware upgrade via <USB_controller>\n"
96 " on device <dev>, attached to interface\n"
97 " <interface>\n"
98 #ifdef CONFIG_DFU_TIMEOUT
99 " [<timeout>] - specify inactivity timeout in seconds\n"
100 #endif
101 #endif
102 " [list] - list available alt settings\n"
103 #ifdef CONFIG_DFU_OVER_TFTP
104 #ifdef CONFIG_DFU_OVER_USB
105 "dfu "
106 #endif
107 "tftp [<interface> <dev>] [<addr>]\n"
108 " - device firmware upgrade via TFTP\n"
109 " on device <dev>, attached to interface\n"
110 " <interface>\n"
111 " [<addr>] - address where FIT image has been stored\n"
112 #endif
113 );
114