LXR uboot/drivers/usb/host/ehci-armada100.c

   1/*
   2 * (C) Copyright 2012
   3 * eInfochips Ltd. <www.einfochips.com>
   4 * Written-by: Ajay Bhargav <ajay.bhargav@einfochips.com>
   5 *
   6 * This driver is based on Kirkwood echi driver
   7 * (C) Copyright 2009
   8 * Marvell Semiconductor <www.marvell.com>
   9 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  10 *
  11 * SPDX-License-Identifier:     GPL-2.0+
  12 */
  13
  14#include <common.h>
  15#include <asm/io.h>
  16#include <usb.h>
  17#include "ehci.h"
  18#include <asm/arch/cpu.h>
  19#include <asm/arch/armada100.h>
  20#include <asm/arch/utmi-armada100.h>
  21
  22/*
  23 * EHCI host controller init
  24 */
  25int ehci_hcd_init(int index, enum usb_init_type init,
  26                struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  27{
  28        if (utmi_init() < 0)
  29                return -1;
  30
  31        *hccr = (struct ehci_hccr *)(ARMD1_USB_HOST_BASE + 0x100);
  32        *hcor = (struct ehci_hcor *)((uint32_t) *hccr
  33                        + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  34
  35        debug("armada100-ehci: init hccr %x and hcor %x hc_length %d\n",
  36                (uint32_t)*hccr, (uint32_t)*hcor,
  37                (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  38
  39        return 0;
  40}
  41
  42/*
  43 * EHCI host controller stop
  44 */
  45int ehci_hcd_stop(int index)
  46{
  47        return 0;
  48}
  49