u-boot/common/cmd_fastboot.c
Rob Herring 7c23bcb93f fastboot: Add USB cable detect check
Add a check for USB cable attached and only enter fastboot when a cable
is attached.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Steve Rae <srae@broadcom.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-02-25 17:47:02 +01:00

47 lines
901 B
C

/*
* Copyright 2008 - 2009 Windriver, <www.windriver.com>
* Author: Tom Rix <Tom.Rix@windriver.com>
*
* (C) Copyright 2014 Linaro, Ltd.
* Rob Herring <robh@kernel.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <g_dnl.h>
static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
g_dnl_clear_detach();
ret = g_dnl_register("usb_dnl_fastboot");
if (ret)
return ret;
if (!g_dnl_board_usb_cable_connected()) {
puts("\rUSB cable not detected.\n" \
"Command exit.\n");
return CMD_RET_FAILURE;
}
while (1) {
if (g_dnl_detach())
break;
if (ctrlc())
break;
usb_gadget_handle_interrupts();
}
g_dnl_unregister();
g_dnl_clear_detach();
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
fastboot, 1, 0, do_fastboot,
"use USB Fastboot protocol",
"\n"
" - run as a fastboot usb device"
);