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Add ppc440epx USB ehci support.

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Currently ppc440epx uses OHCI for USB full-speed support. This change adds
support for EHCI.

Signed-off-by: Chris Zhang <chris@seamicro.com>
This commit is contained in:
Chris Zhang 2010-01-06 13:34:05 -08:00 • committed by Remy Bohmer
parent b416191a14
commit 5f82887fee
2 changed files with 49 additions and 0 deletions
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1
drivers/usb/host/Makefile
View file

@ -36,6 +36,7 @@ COBJS-$(CONFIG_USB_SL811HS) += sl811-hcd.o
# echi
COBJS-$(CONFIG_USB_EHCI) += ehci-hcd.o
COBJS-$(CONFIG_USB_EHCI_FSL) += ehci-fsl.o
COBJS-$(CONFIG_USB_EHCI_PPC4XX) += ehci-ppc4xx.o
COBJS-$(CONFIG_USB_EHCI_IXP4XX) += ehci-ixp.o
COBJS-$(CONFIG_USB_EHCI_KIRKWOOD) += ehci-kirkwood.o
COBJS-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o

48
drivers/usb/host/ehci-ppc4xx.c Normal file
View file

@ -0,0 +1,48 @@
/*
* (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;
}