LXR uboot/cmd/thordown.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * cmd_thordown.c -- USB TIZEN "THOR" Downloader gadget
   4 *
   5 * Copyright (C) 2013 Lukasz Majewski <l.majewski@samsung.com>
   6 * All rights reserved.
   7 */
   8
   9#include <common.h>
  10#include <command.h>
  11#include <thor.h>
  12#include <dfu.h>
  13#include <g_dnl.h>
  14#include <usb.h>
  15
  16int do_thor_down(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  17{
  18        if (argc < 4)
  19                return CMD_RET_USAGE;
  20
  21        char *usb_controller = argv[1];
  22        char *interface = argv[2];
  23        char *devstring = argv[3];
  24
  25        int ret;
  26
  27        puts("TIZEN \"THOR\" Downloader\n");
  28
  29        ret = dfu_init_env_entities(interface, devstring);
  30        if (ret)
  31                goto done;
  32
  33        int controller_index = simple_strtoul(usb_controller, NULL, 0);
  34        ret = usb_gadget_initialize(controller_index);
  35        if (ret) {
  36                pr_err("USB init failed: %d\n", ret);
  37                ret = CMD_RET_FAILURE;
  38                goto exit;
  39        }
  40
  41        ret = g_dnl_register("usb_dnl_thor");
  42        if (ret) {
  43                pr_err("g_dnl_register failed %d\n", ret);
  44                ret = CMD_RET_FAILURE;
  45                goto exit;
  46        }
  47
  48        ret = thor_init();
  49        if (ret) {
  50                pr_err("THOR DOWNLOAD failed: %d\n", ret);
  51                ret = CMD_RET_FAILURE;
  52                goto exit;
  53        }
  54
  55        do {
  56                ret = thor_handle();
  57                if (ret == THOR_DFU_REINIT_NEEDED) {
  58                        dfu_free_entities();
  59                        ret = dfu_init_env_entities(interface, devstring);
  60                }
  61                if (ret) {
  62                        pr_err("THOR failed: %d\n", ret);
  63                        ret = CMD_RET_FAILURE;
  64                        goto exit;
  65                }
  66        } while (ret == 0);
  67exit:
  68        g_dnl_unregister();
  69        usb_gadget_release(controller_index);
  70done:
  71        dfu_free_entities();
  72
  73        return ret;
  74}
  75
  76U_BOOT_CMD(thordown, CONFIG_SYS_MAXARGS, 1, do_thor_down,
  77           "TIZEN \"THOR\" downloader",
  78           "<USB_controller> <interface> <dev>\n"
  79           "  - device software upgrade via LTHOR TIZEN download\n"
  80           "    program via <USB_controller> on device <dev>,\n"
  81           "    attached to interface <interface>\n"
  82);
  83