/* * cmd_dfu.c -- dfu command * * Copyright (C) 2012 Samsung Electronics * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com> * Lukasz Majewski <l.majewski@samsung.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <dfu.h> #include <g_dnl.h> #include <usb.h> static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { if (argc < 4) return CMD_RET_USAGE; char *usb_controller = argv[1]; char *interface = argv[2]; char *devstring = argv[3]; char *s = "dfu"; int ret, i = 0; ret = dfu_init_env_entities(interface, simple_strtoul(devstring, NULL, 10)); if (ret) return ret; if (argc > 4 && strcmp(argv[4], "list") == 0) { dfu_show_entities(); goto done; } int controller_index = simple_strtoul(usb_controller, NULL, 0); board_usb_init(controller_index, USB_INIT_DEVICE); g_dnl_register(s); while (1) { if (dfu_reset()) /* * This extra number of usb_gadget_handle_interrupts() * calls is necessary to assure correct transmission * completion with dfu-util */ if (++i == 10) goto exit; if (ctrlc()) goto exit; usb_gadget_handle_interrupts(); } exit: g_dnl_unregister(); done: dfu_free_entities(); if (dfu_reset()) run_command("reset", 0); return CMD_RET_SUCCESS; } U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu, "Device Firmware Upgrade", "<USB_controller> <interface> <dev> [list]\n" " - device firmware upgrade via <USB_controller>\n" " on device <dev>, attached to interface\n" " <interface>\n" " [list] - list available alt settings\n" );