fastboot.c
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/*
* 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 <console.h>
#include <g_dnl.h>
#include <usb.h>
static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int controller_index;
char *usb_controller;
int ret;
if (argc < 2)
return CMD_RET_USAGE;
usb_controller = argv[1];
controller_index = simple_strtoul(usb_controller, NULL, 0);
#ifdef CONFIG_FASTBOOT_USB_DEV
controller_index = CONFIG_FASTBOOT_USB_DEV;
#endif
ret = board_usb_init(controller_index, USB_INIT_DEVICE);
if (ret) {
pr_err("USB init failed: %d", ret);
return CMD_RET_FAILURE;
}
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");
ret = CMD_RET_FAILURE;
goto exit;
}
while (1) {
if (g_dnl_detach())
break;
if (ctrlc())
break;
usb_gadget_handle_interrupts(controller_index);
}
ret = CMD_RET_SUCCESS;
exit:
g_dnl_unregister();
g_dnl_clear_detach();
board_usb_cleanup(controller_index, USB_INIT_DEVICE);
return ret;
}
U_BOOT_CMD(
fastboot, 2, 1, do_fastboot,
"use USB Fastboot protocol",
"<USB_controller>\n"
" - run as a fastboot usb device"
);