xref: /OK3568_Linux_fs/u-boot/drivers/usb/host/ehci-armada100.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2012
3*4882a593Smuzhiyun  * eInfochips Ltd. <www.einfochips.com>
4*4882a593Smuzhiyun  * Written-by: Ajay Bhargav <contact@8051projects.net>
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This driver is based on Kirkwood echi driver
7*4882a593Smuzhiyun  * (C) Copyright 2009
8*4882a593Smuzhiyun  * Marvell Semiconductor <www.marvell.com>
9*4882a593Smuzhiyun  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include <common.h>
15*4882a593Smuzhiyun #include <asm/io.h>
16*4882a593Smuzhiyun #include <usb.h>
17*4882a593Smuzhiyun #include "ehci.h"
18*4882a593Smuzhiyun #include <asm/arch/cpu.h>
19*4882a593Smuzhiyun #include <asm/arch/armada100.h>
20*4882a593Smuzhiyun #include <asm/arch/utmi-armada100.h>
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun /*
23*4882a593Smuzhiyun  * EHCI host controller init
24*4882a593Smuzhiyun  */
ehci_hcd_init(int index,enum usb_init_type init,struct ehci_hccr ** hccr,struct ehci_hcor ** hcor)25*4882a593Smuzhiyun int ehci_hcd_init(int index, enum usb_init_type init,
26*4882a593Smuzhiyun 		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun 	if (utmi_init() < 0)
29*4882a593Smuzhiyun 		return -1;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	*hccr = (struct ehci_hccr *)(ARMD1_USB_HOST_BASE + 0x100);
32*4882a593Smuzhiyun 	*hcor = (struct ehci_hcor *)((uint32_t) *hccr
33*4882a593Smuzhiyun 			+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 	debug("armada100-ehci: init hccr %x and hcor %x hc_length %d\n",
36*4882a593Smuzhiyun 		(uint32_t)*hccr, (uint32_t)*hcor,
37*4882a593Smuzhiyun 		(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	return 0;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun /*
43*4882a593Smuzhiyun  * EHCI host controller stop
44*4882a593Smuzhiyun  */
ehci_hcd_stop(int index)45*4882a593Smuzhiyun int ehci_hcd_stop(int index)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun 	return 0;
48*4882a593Smuzhiyun }
49