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 #if defined(CONFIG_DFU_OVER_USB) || defined(CONFIG_DFU_OVER_TFTP)
32 char *interface = NULL;
33 char *devstring = NULL;
34 #if defined(CONFIG_DFU_TIMEOUT) || defined(CONFIG_DFU_OVER_TFTP)
35 unsigned long value = 0;
36 #endif
37 if (argc >= 4) {
38 interface = argv[2];
39 devstring = argv[3];
40 }
41
42 #if defined(CONFIG_DFU_TIMEOUT) || defined(CONFIG_DFU_OVER_TFTP)
43 if (argc == 5 || argc == 3)
44 value = simple_strtoul(argv[argc - 1], NULL, 0);
45 #endif
46 #endif
47
48 int ret = 0;
49 #ifdef CONFIG_DFU_OVER_TFTP
50 if (!strcmp(argv[1], "tftp"))
51 return update_tftp(value, interface, devstring);
52 #endif
53 #ifdef CONFIG_DFU_OVER_USB
54 ret = dfu_init_env_entities(interface, devstring);
55 if (ret)
56 goto done;
57
58 #ifdef CONFIG_DFU_TIMEOUT
59 dfu_set_timeout(value * 1000);
60 #endif
61
62 ret = CMD_RET_SUCCESS;
63 if (strcmp(argv[argc - 1], "list") == 0) {
64 dfu_show_entities();
65 goto done;
66 }
67
68 int controller_index = simple_strtoul(usb_controller, NULL, 0);
69 bool retry = false;
70 do {
71 ret = run_usb_dnl_gadget(controller_index, "usb_dnl_dfu");
72
73 if (dfu_reinit_needed) {
74 dfu_free_entities();
75 ret = dfu_init_env_entities(interface, devstring);
76 if (ret)
77 goto done;
78 retry = true;
79 }
80 } while (retry);
81
82 done:
83 dfu_free_entities();
84 #endif
85 return ret;
86 }
87
88 U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
89 "Device Firmware Upgrade",
90 ""
91 #ifdef CONFIG_DFU_OVER_USB
92 #ifdef CONFIG_DFU_TIMEOUT
93 "<USB_controller> [<interface> <dev>] [<timeout>] [list]\n"
94 #else
95 "<USB_controller> [<interface> <dev>] [list]\n"
96 #endif
97 " - device firmware upgrade via <USB_controller>\n"
98 " on device <dev>, attached to interface\n"
99 " <interface>\n"
100 #ifdef CONFIG_DFU_TIMEOUT
101 " [<timeout>] - specify inactivity timeout in seconds\n"
102 #endif
103 " [list] - list available alt settings\n"
104 #endif
105 #ifdef CONFIG_DFU_OVER_TFTP
106 #ifdef CONFIG_DFU_OVER_USB
107 "dfu "
108 #endif
109 "tftp [<interface> <dev>] [<addr>]\n"
110 " - device firmware upgrade via TFTP\n"
111 " on device <dev>, attached to interface\n"
112 " <interface>\n"
113 " [<addr>] - address where FIT image has been stored\n"
114 #endif
115 );
116