cmd/dfu.c

   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 );