usb.c

来自「uboot200903最新版本的通用uboot」· C语言 代码 · 共 46 行

/*
 * URB OHCI HCD (Host Controller Driver) initialization for USB on the S3C64XX.
 *
 * Copyright (C) 2008,
 * Guennadi Liakhovetski, DENX Software Engineering <[e-mail]>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 */

#include <common.h>
#include <s3c6400.h>

int usb_cpu_init(void)
{
	OTHERS_REG |= 0x10000;
	return 0;
}

int usb_cpu_stop(void)
{
	OTHERS_REG &= ~0x10000;
	return 0;
}

void usb_cpu_init_fail(void)
{
	OTHERS_REG &= ~0x10000;
}