u-boot/drivers/usb/host/ehci-spear.c

/*
 * (C) Copyright 2010
 * Armando Visconti, ST Micoelectronics, <armando.visconti@st.com>.
 *
 * (C) Copyright 2009
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#include <common.h>
#include <asm/io.h>
#include <usb.h>
#include "ehci.h"
#include <asm/arch/hardware.h>


/*
 * Create the appropriate control structures to manage
 * a new EHCI host controller.
 */
int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
	*hccr = (struct ehci_hccr *)(CONFIG_SYS_UHC0_EHCI_BASE + 0x100);
	*hcor = (struct ehci_hcor *)((uint32_t)*hccr
			+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));

	debug("SPEAr-ehci: init hccr %x and hcor %x hc_length %d\n",
		(uint32_t)*hccr, (uint32_t)*hcor,
		(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));

	return 0;
}

/*
 * Destroy the appropriate control structures corresponding
 * the the EHCI host controller.
 */
int ehci_hcd_stop(int index)
{
	return 0;
}