blob: b8e3a6c89eb67d91ea292be27b8f8da15a4c6bc9 [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
B, Ravi52f2acc2016-07-28 17:39:16 +05302/*
3 * (C) Copyright 2016
4 * Texas Instruments, <www.ti.com>
5 *
6 * Ravi B <ravibabu@ti.com>
B, Ravi52f2acc2016-07-28 17:39:16 +05307 */
8#include <common.h>
9#include <spl.h>
10#include <linux/compiler.h>
11#include <errno.h>
12#include <watchdog.h>
13#include <console.h>
14#include <g_dnl.h>
15#include <usb.h>
16#include <dfu.h>
17#include <environment.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 set_default_env(0);
Simon Glass00caae62017-08-03 12:22:12 -060042 str_env = env_get(dfu_alt_info);
B, Ravi52f2acc2016-07-28 17:39:16 +053043 if (!str_env) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +090044 pr_err("\"dfu_alt_info\" env variable not defined!\n");
B, Ravi52f2acc2016-07-28 17:39:16 +053045 return -EINVAL;
46 }
47
Simon Glass382bee52017-08-03 12:22:09 -060048 ret = env_set("dfu_alt_info", str_env);
B, Ravi52f2acc2016-07-28 17:39:16 +053049 if (ret) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +090050 pr_err("unable to set env variable \"dfu_alt_info\"!\n");
B, Ravi52f2acc2016-07-28 17:39:16 +053051 return -EINVAL;
52 }
53
54 /* invoke dfu command */
55 return run_dfu(usbctrl, interface, devstr);
56}