LXR uboot/common/spl/spl

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2016
   4 * Texas Instruments, <www.ti.com>
   5 *
   6 * Ravi B <ravibabu@ti.com>
   7 */
   8#include <common.h>
   9#include <env.h>
  10#include <spl.h>
  11#include <linux/compiler.h>
  12#include <errno.h>
  13#include <watchdog.h>
  14#include <console.h>
  15#include <g_dnl.h>
  16#include <usb.h>
  17#include <dfu.h>
  18
  19static int run_dfu(int usb_index, char *interface, char *devstring)
  20{
  21        int ret;
  22
  23        ret = dfu_init_env_entities(interface, devstring);
  24        if (ret) {
  25                dfu_free_entities();
  26                goto exit;
  27        }
  28
  29        run_usb_dnl_gadget(usb_index, "usb_dnl_dfu");
  30exit:
  31        dfu_free_entities();
  32        return ret;
  33}
  34
  35int spl_dfu_cmd(int usbctrl, char *dfu_alt_info, char *interface, char *devstr)
  36{
  37        char *str_env;
  38        int ret;
  39
  40        /* set default environment */
  41        env_set_default(NULL, 0);
  42        str_env = env_get(dfu_alt_info);
  43        if (!str_env) {
  44                pr_err("\"%s\" env variable not defined!\n", dfu_alt_info);
  45                return -EINVAL;
  46        }
  47
  48        ret = env_set("dfu_alt_info", str_env);
  49        if (ret) {
  50                pr_err("unable to set env variable \"dfu_alt_info\"!\n");
  51                return -EINVAL;
  52        }
  53
  54        /* invoke dfu command */
  55        return run_dfu(usbctrl, interface, devstr);
  56}
  57