u-boot/drivers/usb/host/ehci-ppc4xx.c
Chris Zhang 5f82887fee Add ppc440epx USB ehci support.
Currently ppc440epx uses OHCI for USB full-speed support. This change adds
support for EHCI.

Signed-off-by: Chris Zhang <chris@seamicro.com>
2010-01-09 10:27:15 +01:00

48 lines
1.4 KiB
C

/*
* (C) Copyright 2010, Chris Zhang <chris@seamicro.com>
*
* Author: Chris Zhang <chris@seamicro.com>
* 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 "ehci.h"
#include "ehci-core.h"
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(void)
{
hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
hcor = (struct ehci_hcor *)((uint32_t) hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
usb_dev_init();
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
int ehci_hcd_stop(void)
{
return 0;
}