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 <thor.h>
  11 #include <dfu.h>
  12 #include <g_dnl.h>
  13 #include <usb.h>
  14
  15 int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  16 {
  17         if (argc < 4)
  18                 return CMD_RET_USAGE;
  19
  20         char *usb_controller = argv[1];
  21         char *interface = argv[2];
  22         char *devstring = argv[3];
  23
  24         int ret;
  25
  26         puts("TIZEN \"THOR\" Downloader\n");
  27
  28         ret = dfu_init_env_entities(interface, devstring);
  29         if (ret)
  30                 goto done;
  31
  32         int controller_index = simple_strtoul(usb_controller, NULL, 0);
  33         ret = usb_gadget_initialize(controller_index);
  34         if (ret) {
  35                 pr_err("USB init failed: %d\n", ret);
  36                 ret = CMD_RET_FAILURE;
  37                 goto exit;
  38         }
  39
  40         ret = g_dnl_register("usb_dnl_thor");
  41         if (ret) {
  42                 pr_err("g_dnl_register failed %d\n", ret);
  43                 return ret;
  44         }
  45
  46         ret = thor_init();
  47         if (ret) {
  48                 pr_err("THOR DOWNLOAD failed: %d\n", ret);
  49                 ret = CMD_RET_FAILURE;
  50                 goto exit;
  51         }
  52
  53         ret = thor_handle();
  54         if (ret) {
  55                 pr_err("THOR failed: %d\n", ret);
  56                 ret = CMD_RET_FAILURE;
  57                 goto exit;
  58         }
  59
  60 exit:
  61         g_dnl_unregister();
  62         usb_gadget_release(controller_index);
  63 done:
  64         dfu_free_entities();
  65
  66         return ret;
  67 }
  68
  69 U_BOOT_CMD(thordown, CONFIG_SYS_MAXARGS, 1, do_thor_down,
  70            "TIZEN \"THOR\" downloader",
  71            "<USB_controller> <interface> <dev>\n"
  72            "  - device software upgrade via LTHOR TIZEN download\n"
  73            "    program via <USB_controller> on device <dev>,\n"
  74            "    attached to interface <interface>\n"
  75 );