drivers/usb/host/ehci-ppc4xx.c

   1 /*
   2  * (C) Copyright 2010, Chris Zhang <chris@seamicro.com>
   3  *
   4  * Author: Chris Zhang <chris@seamicro.com>
   5  * This code is based on ehci freescale driver
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22 #include <common.h>
  23 #include <usb.h>
  24
  25 #include "ehci.h"
  26 #include "ehci-core.h"
  27
  28 /*
  29  * Create the appropriate control structures to manage
  30  * a new EHCI host controller.
  31  */
  32 int ehci_hcd_init(void)
  33 {
  34         hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
  35         hcor = (struct ehci_hcor *)((uint32_t) hccr +
  36                 HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
  37         usb_dev_init();
  38         return 0;
  39 }
  40
  41 /*
  42  * Destroy the appropriate control structures corresponding
  43  * the the EHCI host controller.
  44  */
  45 int ehci_hcd_stop(void)
  46 {
  47         return 0;
  48 }