LXR uboot/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 <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
  22static 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
  82done:
  83        dfu_free_entities();
  84#endif
  85        return ret;
  86}
  87
  88U_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