1/*
2 * Copyright 2012 Tilera Corporation. All Rights Reserved.
3 *
4 *   This program is free software; you can redistribute it and/or
5 *   modify it under the terms of the GNU General Public License
6 *   as published by the Free Software Foundation, version 2.
7 *
8 *   This program is distributed in the hope that it will be useful, but
9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 *   NON INFRINGEMENT.  See the GNU General Public License for
12 *   more details.
13 *
14 * Register the Tile-Gx USB interfaces as platform devices.
15 *
16 * The actual USB driver is just some glue (in
17 * drivers/usb/host/[eo]hci-tilegx.c) which makes the registers available
18 * to the standard kernel EHCI and OHCI drivers.
19 */
20
21#include <linux/dma-mapping.h>
22#include <linux/platform_device.h>
23#include <linux/usb/tilegx.h>
24#include <linux/init.h>
25#include <linux/module.h>
26#include <linux/types.h>
27
28static u64 ehci_dmamask = DMA_BIT_MASK(32);
29
30#define USB_HOST_DEF(unit, type, dmamask) \
31	static struct \
32	    tilegx_usb_platform_data tilegx_usb_platform_data_ ## type ## \
33		hci ## unit = { \
34		.dev_index = unit, \
35	}; \
36	\
37	static struct platform_device tilegx_usb_ ## type ## hci ## unit = { \
38		.name		= "tilegx-" #type "hci", \
39		.id		= unit, \
40		.dev = { \
41			.dma_mask		= dmamask, \
42			.coherent_dma_mask	= DMA_BIT_MASK(32), \
43			.platform_data = \
44				&tilegx_usb_platform_data_ ## type ## hci ## \
45				unit, \
46		}, \
47	};
48
49USB_HOST_DEF(0, e, &ehci_dmamask)
50USB_HOST_DEF(0, o, NULL)
51USB_HOST_DEF(1, e, &ehci_dmamask)
52USB_HOST_DEF(1, o, NULL)
53
54#undef USB_HOST_DEF
55
56static struct platform_device *tilegx_usb_devices[] __initdata = {
57	&tilegx_usb_ehci0,
58	&tilegx_usb_ehci1,
59	&tilegx_usb_ohci0,
60	&tilegx_usb_ohci1,
61};
62
63/** Add our set of possible USB devices. */
64static int __init tilegx_usb_init(void)
65{
66	platform_add_devices(tilegx_usb_devices,
67			     ARRAY_SIZE(tilegx_usb_devices));
68
69	return 0;
70}
71arch_initcall(tilegx_usb_init);
72