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USB ehci ixp4xx support

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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>
This commit is contained in:
Michael Trimarchi 2008-12-31 10:33:56 +01:00 committed by Remy Bohmer
parent 1ed9f9adc8
commit 7b6e31eb17
2 changed files with 50 additions and 0 deletions
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1
drivers/usb/Makefile
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@ -36,6 +36,7 @@ COBJS-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
COBJS-$(CONFIG_USB_SL811HS) += sl811_usb.o
COBJS-$(CONFIG_USB_EHCI_FSL) += usb_ehci_fsl.o
COBJS-$(CONFIG_USB_EHCI_PCI) += usb_ehci_pci.o
COBJS-$(CONFIG_USB_EHCI_IXP4XX) += usb_ehci_ixp.o
# device
ifdef CONFIG_USB_DEVICE

49
drivers/usb/usb_ehci_ixp.c Normal file
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@ -0,0 +1,49 @@
/*
* (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;
}