2 * Copyright 2012 Tilera Corporation. All Rights Reserved.
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.
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
14 * Register the Tile-Gx USB interfaces as platform devices.
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.
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/types.h>
27 static u64 ehci_dmamask = DMA_BIT_MASK(32);
29 #define USB_HOST_DEF(unit, type, dmamask) \
31 tilegx_usb_platform_data tilegx_usb_platform_data_ ## type ## \
36 static struct platform_device tilegx_usb_ ## type ## hci ## unit = { \
37 .name = "tilegx-" #type "hci", \
40 .dma_mask = dmamask, \
41 .coherent_dma_mask = DMA_BIT_MASK(32), \
43 &tilegx_usb_platform_data_ ## type ## hci ## \
48 USB_HOST_DEF(0, e, &ehci_dmamask)
49 USB_HOST_DEF(0, o, NULL)
50 USB_HOST_DEF(1, e, &ehci_dmamask)
51 USB_HOST_DEF(1, o, NULL)
55 static struct platform_device *tilegx_usb_devices[] __initdata = {
62 /** Add our set of possible USB devices. */
63 static int __init tilegx_usb_init(void)
65 platform_add_devices(tilegx_usb_devices,
66 ARRAY_SIZE(tilegx_usb_devices));
70 arch_initcall(tilegx_usb_init);