drivers/usb/host/ehci-pci.c

   1 /*-
   2  * Copyright (c) 2007-2008, Juniper Networks, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation version 2 of
   8  * the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18  * MA 02111-1307 USA
  19  */
  20
  21 #include <common.h>
  22 #include <pci.h>
  23 #include <usb.h>
  24
  25 #include "ehci.h"
  26
  27 #ifdef CONFIG_PCI_EHCI_DEVICE
  28 static struct pci_device_id ehci_pci_ids[] = {
  29         /* Please add supported PCI EHCI controller ids here */
  30         {0x1033, 0x00E0},       /* NEC */
  31         {0x10B9, 0x5239},       /* ULI1575 PCI EHCI module ids */
  32         {0x12D8, 0x400F},       /* Pericom */
  33         {0, 0}
  34 };
  35 #endif
  36
  37 /*
  38  * Create the appropriate control structures to manage
  39  * a new EHCI host controller.
  40  */
  41 int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  42 {
  43         pci_dev_t pdev;
  44
  45         pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE);
  46         if (pdev == -1) {
  47                 printf("EHCI host controller not found\n");
  48                 return -1;
  49         }
  50
  51         *hccr = (struct ehci_hccr *)pci_map_bar(pdev,
  52                         PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
  53         *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
  54                         HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  55
  56         debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
  57                         (uint32_t)*hccr, (uint32_t)*hcor,
  58                         (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  59
  60         return 0;
  61 }
  62
  63 /*
  64  * Destroy the appropriate control structures corresponding
  65  * the the EHCI host controller.
  66  */
  67 int ehci_hcd_stop(int index)
  68 {
  69         return 0;
  70 }