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

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/*
* Copyright (c) 2009 NVIDIA Corporation
*
* 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 <usb.h>
#include "ehci.h"
#include "ehci-core.h"
#include <asm/errno.h>
#include <asm/arch/usb.h>
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(void)
{
u32 our_hccr, our_hcor;
/*
* Select the first port, as we don't have a way of selecting others
* yet
*/
if (tegrausb_start_port(0, &our_hccr, &our_hcor))
return -1;
hccr = (struct ehci_hccr *)our_hccr;
hcor = (struct ehci_hcor *)our_hcor;
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(void)
{
tegrausb_stop_port();
return 0;
}