LXR uboot/common/spl/spl

   1/*
   2 * (C) Copyright 2016
   3 * Texas Instruments, <www.ti.com>
   4 *
   5 * Ravi B <ravibabu@ti.com>
   6 *
   7 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9#include <common.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#include <environment.h>
  19
  20static int run_dfu(int usb_index, char *interface, char *devstring)
  21{
  22        int ret;
  23
  24        ret = dfu_init_env_entities(interface, devstring);
  25        if (ret) {
  26                dfu_free_entities();
  27                goto exit;
  28        }
  29
  30        run_usb_dnl_gadget(usb_index, "usb_dnl_dfu");
  31exit:
  32        dfu_free_entities();
  33        return ret;
  34}
  35
  36int spl_dfu_cmd(int usbctrl, char *dfu_alt_info, char *interface, char *devstr)
  37{
  38        char *str_env;
  39        int ret;
  40
  41        /* set default environment */
  42        set_default_env(0);
  43        str_env = env_get(dfu_alt_info);
  44        if (!str_env) {
  45                pr_err("\"dfu_alt_info\" env variable not defined!\n");
  46                return -EINVAL;
  47        }
  48
  49        ret = env_set("dfu_alt_info", str_env);
  50        if (ret) {
  51                pr_err("unable to set env variable \"dfu_alt_info\"!\n");
  52                return -EINVAL;
  53        }
  54
  55        /* invoke dfu command */
  56        return run_dfu(usbctrl, interface, devstr);
  57}
  58