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/*
* cmd_dfu.c -- dfu command
*
* Copyright (C) 2012 Samsung Electronics
* authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
* Lukasz Majewski <l.majewski@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <dfu.h>
#include <asm/errno.h>
#include <g_dnl.h>
static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const char *str_env;
char *s = "dfu";
int ret, i = 0;
char *env_bkp;
if (argc < 3)
return CMD_RET_USAGE;
str_env = getenv("dfu_alt_info");
if (str_env == NULL) {
printf("%s: \"dfu_alt_info\" env variable not defined!\n",
__func__);
return CMD_RET_FAILURE;
}
env_bkp = strdup(str_env);
ret = dfu_config_entities(env_bkp, argv[1],
(int)simple_strtoul(argv[2], NULL, 10));
if (ret)
return CMD_RET_FAILURE;
if (argc > 3 && strcmp(argv[3], "list") == 0) {
dfu_show_entities();
goto done;
}
#ifdef CONFIG_TRATS
board_usb_init();
#endif
g_dnl_register(s);
while (1) {
if (dfu_reset())
/*
* This extra number of usb_gadget_handle_interrupts()
* calls is necessary to assure correct transmission
* completion with dfu-util
*/
if (++i == 10)
goto exit;
if (ctrlc())
goto exit;
usb_gadget_handle_interrupts();
}
exit:
g_dnl_unregister();
done:
dfu_free_entities();
free(env_bkp);
if (dfu_reset())
run_command("reset", 0);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
"Device Firmware Upgrade",
"<interface> <dev> [list]\n"
" - device firmware upgrade on a device <dev>\n"
" attached to interface <interface>\n"
" [list] - list available alt settings"
);
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