u-boot/drivers/usb/usb_ehci_ixp.c
Michael Trimarchi 7b6e31eb17 USB ehci ixp4xx support
Add USB ehci ixp4xx host controller. Test on ixdp465 board.

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
2009-01-28 19:57:29 +01:00

49 lines
1.5 KiB
C

/*
* (C) Copyright 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
*
* Author: Michael Trimarchi <trimarchimichael@yahoo.it>
* This code is based on ehci freescale driver
*
* 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 "usb_ehci.h"
#include "usb_ehci_core.h"
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(void)
{
hccr = (struct ehci_hccr *)(0xcd000100);
hcor = (struct ehci_hcor *)((uint32_t) hccr
+ HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
printf("IXP4XX 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(void)
{
return 0;
}