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47fc28bf CM |
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/types.h> | |
25 | ||
26 | static u64 ehci_dmamask = DMA_BIT_MASK(32); | |
27 | ||
28 | #define USB_HOST_DEF(unit, type, dmamask) \ | |
29 | static struct \ | |
30 | tilegx_usb_platform_data tilegx_usb_platform_data_ ## type ## \ | |
31 | hci ## unit = { \ | |
32 | .dev_index = unit, \ | |
33 | }; \ | |
34 | \ | |
35 | static struct platform_device tilegx_usb_ ## type ## hci ## unit = { \ | |
36 | .name = "tilegx-" #type "hci", \ | |
37 | .id = unit, \ | |
38 | .dev = { \ | |
39 | .dma_mask = dmamask, \ | |
40 | .coherent_dma_mask = DMA_BIT_MASK(32), \ | |
41 | .platform_data = \ | |
42 | &tilegx_usb_platform_data_ ## type ## hci ## \ | |
43 | unit, \ | |
44 | }, \ | |
45 | }; | |
46 | ||
47 | USB_HOST_DEF(0, e, &ehci_dmamask) | |
48 | USB_HOST_DEF(0, o, NULL) | |
49 | USB_HOST_DEF(1, e, &ehci_dmamask) | |
50 | USB_HOST_DEF(1, o, NULL) | |
51 | ||
52 | #undef USB_HOST_DEF | |
53 | ||
54 | static struct platform_device *tilegx_usb_devices[] __initdata = { | |
55 | &tilegx_usb_ehci0, | |
56 | &tilegx_usb_ehci1, | |
57 | &tilegx_usb_ohci0, | |
58 | &tilegx_usb_ohci1, | |
59 | }; | |
60 | ||
61 | /** Add our set of possible USB devices. */ | |
62 | static int __init tilegx_usb_init(void) | |
63 | { | |
64 | platform_add_devices(tilegx_usb_devices, | |
65 | ARRAY_SIZE(tilegx_usb_devices)); | |
66 | ||
67 | return 0; | |
68 | } | |
69 | arch_initcall(tilegx_usb_init); |