summaryrefslogtreecommitdiff
path: root/drivers/usb/host/ehci-ppc4xx.c
blob: 462fcfbe4ffa7548a12c299f7324ced9b1e0f5f3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/*
 * (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 "ehci.h"

/*
 * Create the appropriate control structures to manage
 * a new EHCI host controller.
 */
int ehci_hcd_init(int index, 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;
}