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Add initial support for USB ehci pci 

Add USB ehci pci support. This patch doesn't include any
pci_ids and it is not tested on real hardware.

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 10:32:41 +01:00 committed by Remy Bohmer
parent 14e4111cda
commit 8fea2914ac
2 changed files with 65 additions and 0 deletions
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1
drivers/usb/Makefile
View File

@ -35,6 +35,7 @@ COBJS-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
COBJS-$(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
# device
ifdef CONFIG_USB_DEVICE

64
drivers/usb/usb_ehci_pci.c Normal file
View File

@ -0,0 +1,64 @@
/*-
* Copyright (c) 2007-2008, Juniper Networks, Inc.
* All rights reserved.
*
* 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 version 2 of
* the License.
*
* 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 <pci.h>
#include <usb.h>
#include "usb_ehci.h"
#include "usb_ehci_core.h"
#ifdef CONFIG_PCI_EHCI_DEVICE
static struct pci_device_id ehci_pci_ids[] = {
/* Please add supported PCI EHCI controller ids here */
{0, 0}
};
#endif
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(void)
{
pci_dev_t pdev;
uint32_t addr;
pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
if (pdev == -1) {
printf("EHCI host controller not found\n");
return -1;
}
pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &addr);
hccr = (struct ehci_hccr *)addr;
hcor = (struct ehci_hcor *)((uint32_t) hccr +
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;
}