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author | 2012-09-12 11:14:33 -0400 | |
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committer | 2012-09-12 11:14:33 -0400 | |
commit | 25a765b7f05cb8460fa01b54568894b20e184862 (patch) | |
tree | 0b56db57b4d9f912393ab303c269e0fe6cdf8635 /arch/tile/kernel/usb.c | |
parent | xen/privcmd: return -EFAULT on error (diff) | |
parent | x86: Document x86_init.paging.pagetable_init() (diff) | |
download | linux-dev-25a765b7f05cb8460fa01b54568894b20e184862.tar.xz linux-dev-25a765b7f05cb8460fa01b54568894b20e184862.zip |
Merge branch 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into stable/for-linus-3.7
* 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (9690 commits)
x86: Document x86_init.paging.pagetable_init()
x86: xen: Cleanup and remove x86_init.paging.pagetable_setup_done()
x86: Move paging_init() call to x86_init.paging.pagetable_init()
x86: Rename pagetable_setup_start() to pagetable_init()
x86: Remove base argument from x86_init.paging.pagetable_setup_start
Linux 3.6-rc5
HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
Remove user-triggerable BUG from mpol_to_str
xen/pciback: Fix proper FLR steps.
uml: fix compile error in deliver_alarm()
dj: memory scribble in logi_dj
Fix order of arguments to compat_put_time[spec|val]
xen: Use correct masking in xen_swiotlb_alloc_coherent.
xen: fix logical error in tlb flushing
xen/p2m: Fix one-off error in checking the P2M tree directory.
powerpc: Don't use __put_user() in patch_instruction
powerpc: Make sure IPI handlers see data written by IPI senders
powerpc: Restore correct DSCR in context switch
powerpc: Fix DSCR inheritance in copy_thread()
powerpc: Keep thread.dscr and thread.dscr_inherit in sync
...
Diffstat (limited to 'arch/tile/kernel/usb.c')
-rw-r--r-- | arch/tile/kernel/usb.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/tile/kernel/usb.c b/arch/tile/kernel/usb.c new file mode 100644 index 000000000000..5af8debc6a71 --- /dev/null +++ b/arch/tile/kernel/usb.c @@ -0,0 +1,69 @@ +/* + * Copyright 2012 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Register the Tile-Gx USB interfaces as platform devices. + * + * The actual USB driver is just some glue (in + * drivers/usb/host/[eo]hci-tilegx.c) which makes the registers available + * to the standard kernel EHCI and OHCI drivers. + */ + +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/usb/tilegx.h> +#include <linux/types.h> + +static u64 ehci_dmamask = DMA_BIT_MASK(32); + +#define USB_HOST_DEF(unit, type, dmamask) \ + static struct \ + tilegx_usb_platform_data tilegx_usb_platform_data_ ## type ## \ + hci ## unit = { \ + .dev_index = unit, \ + }; \ + \ + static struct platform_device tilegx_usb_ ## type ## hci ## unit = { \ + .name = "tilegx-" #type "hci", \ + .id = unit, \ + .dev = { \ + .dma_mask = dmamask, \ + .coherent_dma_mask = DMA_BIT_MASK(32), \ + .platform_data = \ + &tilegx_usb_platform_data_ ## type ## hci ## \ + unit, \ + }, \ + }; + +USB_HOST_DEF(0, e, &ehci_dmamask) +USB_HOST_DEF(0, o, NULL) +USB_HOST_DEF(1, e, &ehci_dmamask) +USB_HOST_DEF(1, o, NULL) + +#undef USB_HOST_DEF + +static struct platform_device *tilegx_usb_devices[] __initdata = { + &tilegx_usb_ehci0, + &tilegx_usb_ehci1, + &tilegx_usb_ohci0, + &tilegx_usb_ohci1, +}; + +/** Add our set of possible USB devices. */ +static int __init tilegx_usb_init(void) +{ + platform_add_devices(tilegx_usb_devices, + ARRAY_SIZE(tilegx_usb_devices)); + + return 0; +} +arch_initcall(tilegx_usb_init); |