LXR uboot/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 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9#include <common.h>
  10#include <usb.h>
  11#include <asm/io.h>
  12
  13#include "ehci.h"
  14
  15/*
  16 * Create the appropriate control structures to manage
  17 * a new EHCI host controller.
  18 */
  19int ehci_hcd_init(int index, enum usb_init_type init,
  20                struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  21{
  22        *hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
  23        *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
  24                HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  25        return 0;
  26}
  27
  28/*
  29 * Destroy the appropriate control structures corresponding
  30 * the the EHCI host controller.
  31 */
  32int ehci_hcd_stop(int index)
  33{
  34        return 0;
  35}
  36