projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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); |