cmd/dfu.c

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