1 /* 2 * cmd_dfu.c -- dfu command 3 * 4 * Copyright (C) 2015 5 * Lukasz Majewski <l.majewski@majess.pl> 6 * 7 * Copyright (C) 2012 Samsung Electronics 8 * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com> 9 * Lukasz Majewski <l.majewski@samsung.com> 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 */ 13 14 #include <common.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 22 static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 23 { 24 25 if (argc < 4) 26 return CMD_RET_USAGE; 27 28 char *usb_controller = argv[1]; 29 char *interface = argv[2]; 30 char *devstring = argv[3]; 31 32 int ret; 33 #ifdef CONFIG_DFU_TFTP 34 unsigned long addr = 0; 35 if (!strcmp(argv[1], "tftp")) { 36 if (argc == 5) 37 addr = simple_strtoul(argv[4], NULL, 0); 38 39 return update_tftp(addr, interface, devstring); 40 } 41 #endif 42 43 ret = dfu_init_env_entities(interface, devstring); 44 if (ret) 45 goto done; 46 47 ret = CMD_RET_SUCCESS; 48 if (argc > 4 && strcmp(argv[4], "list") == 0) { 49 dfu_show_entities(); 50 goto done; 51 } 52 53 int controller_index = simple_strtoul(usb_controller, NULL, 0); 54 55 run_usb_dnl_gadget(controller_index, "usb_dnl_dfu"); 56 57 done: 58 dfu_free_entities(); 59 return ret; 60 } 61 62 U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu, 63 "Device Firmware Upgrade", 64 "<USB_controller> <interface> <dev> [list]\n" 65 " - device firmware upgrade via <USB_controller>\n" 66 " on device <dev>, attached to interface\n" 67 " <interface>\n" 68 " [list] - list available alt settings\n" 69 #ifdef CONFIG_DFU_TFTP 70 "dfu tftp <interface> <dev> [<addr>]\n" 71 " - device firmware upgrade via TFTP\n" 72 " on device <dev>, attached to interface\n" 73 " <interface>\n" 74 " [<addr>] - address where FIT image has been stored\n" 75 #endif 76 ); 77