u-boot/drivers/usb/host/ehci-ppc4xx.c

/*
 * (C) Copyright 2010, Chris Zhang <chris@seamicro.com>
 *
 * Author: Chris Zhang <chris@seamicro.com>
 * This code is based on ehci freescale driver
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#include <common.h>
#include <usb.h>
#include <asm/io.h>

#include "ehci.h"

/*
 * Create the appropriate control structures to manage
 * a new EHCI host controller.
 */
int ehci_hcd_init(int index, enum usb_init_type init,
		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
	*hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
	*hcor = (struct ehci_hcor *)((uint32_t) *hccr +
		HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
	return 0;
}

/*
 * Destroy the appropriate control structures corresponding
 * the the EHCI host controller.
 */
int ehci_hcd_stop(int index)
{
	return 0;
}