blob: 8a779da8fa1e08220c98ee5a417237ba5dfbb69a [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
B, Ravid207b7e2016-07-28 17:39:16 +05302/*
3 * (C) Copyright 2016
4 * Texas Instruments, <www.ti.com>
5 *
6 * Ravi B <ravibabu@ti.com>
B, Ravid207b7e2016-07-28 17:39:16 +05307 */
Tom Riniabb9a042024-05-18 20:20:43 -06008#include <common.h>
Simon Glass5e6201b2019-08-01 09:46:51 -06009#include <env.h>
B, Ravid207b7e2016-07-28 17:39:16 +053010#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>
Simon Glassbdd5f812023-09-14 18:21:46 -060018#include <linux/printk.h>
B, Ravid207b7e2016-07-28 17:39:16 +053019
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 */
Simon Glass97385862019-08-01 09:47:00 -060042 env_set_default(NULL, 0);
Simon Glass64b723f2017-08-03 12:22:12 -060043 str_env = env_get(dfu_alt_info);
B, Ravid207b7e2016-07-28 17:39:16 +053044 if (!str_env) {
Marek Vasutc1abd502019-05-25 22:50:35 +020045 pr_err("\"%s\" env variable not defined!\n", dfu_alt_info);
B, Ravid207b7e2016-07-28 17:39:16 +053046 return -EINVAL;
47 }
48
Simon Glass6a38e412017-08-03 12:22:09 -060049 ret = env_set("dfu_alt_info", str_env);
B, Ravid207b7e2016-07-28 17:39:16 +053050 if (ret) {
Masahiro Yamada81e10422017-09-16 14:10:41 +090051 pr_err("unable to set env variable \"dfu_alt_info\"!\n");
B, Ravid207b7e2016-07-28 17:39:16 +053052 return -EINVAL;
53 }
54
55 /* invoke dfu command */
56 return run_dfu(usbctrl, interface, devstr);
57}