spl_dfu.c
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/*
* (C) Copyright 2016
* Texas Instruments, <www.ti.com>
*
* Ravi B <ravibabu@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <linux/compiler.h>
#include <errno.h>
#include <watchdog.h>
#include <console.h>
#include <g_dnl.h>
#include <usb.h>
#include <dfu.h>
#include <environment.h>
static int run_dfu(int usb_index, char *interface, char *devstring)
{
int ret;
ret = dfu_init_env_entities(interface, devstring);
if (ret) {
dfu_free_entities();
goto exit;
}
run_usb_dnl_gadget(usb_index, "usb_dnl_dfu");
exit:
dfu_free_entities();
return ret;
}
int spl_dfu_cmd(int usbctrl, char *dfu_alt_info, char *interface, char *devstr)
{
char *str_env;
int ret;
/* set default environment */
set_default_env(0);
str_env = env_get(dfu_alt_info);
if (!str_env) {
pr_err("\"dfu_alt_info\" env variable not defined!\n");
return -EINVAL;
}
ret = env_set("dfu_alt_info", str_env);
if (ret) {
pr_err("unable to set env variable \"dfu_alt_info\"!\n");
return -EINVAL;
}
/* invoke dfu command */
return run_dfu(usbctrl, interface, devstr);
}