u-boot/drivers/usb/host/ehci-pci.c
Zhao Chenhui ae46d2a952 ehci-pci: Fix PCI EHCI driver for 36-bit
Convert the PCI base address into a virtual address.

Signed-off-by: Zhao Chenhui <b35336@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
2011-06-25 09:53:10 +02:00

71 lines
1.8 KiB
C

/*-
* 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 "ehci.h"
#include "ehci-core.h"
#ifdef CONFIG_PCI_EHCI_DEVICE
static struct pci_device_id ehci_pci_ids[] = {
/* Please add supported PCI EHCI controller ids here */
{0x1033, 0x00E0}, /* NEC */
{0x10B9, 0x5239}, /* ULI1575 PCI EHCI module ids */
{0x12D8, 0x400F}, /* Pericom */
{0, 0}
};
#endif
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
*/
int ehci_hcd_init(void)
{
pci_dev_t pdev;
pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
if (pdev == -1) {
printf("EHCI host controller not found\n");
return -1;
}
hccr = (struct ehci_hccr *)pci_map_bar(pdev,
PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
hcor = (struct ehci_hcor *)((uint32_t) hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
debug("EHCI-PCI init hccr 0x%x and hcor 0x%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;
}