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author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2014-04-18 13:59:59 +0530 |
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committer | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2014-04-25 15:40:02 +0530 |
commit | 1f30b24cb64f63c2a9df2e5f6482ec3bf2363988 (patch) | |
tree | f66dcea0ccba803ade490d62738e3fd109ba0993 /slof | |
parent | c1ed2be8aaaf6a072af52ff39cb8fc848eeda3f4 (diff) | |
download | SLOF-1f30b24cb64f63c2a9df2e5f6482ec3bf2363988.zip SLOF-1f30b24cb64f63c2a9df2e5f6482ec3bf2363988.tar.gz SLOF-1f30b24cb64f63c2a9df2e5f6482ec3bf2363988.tar.bz2 |
pci: extract dma functions as separate file
DMA alloc/mapping functions needs to be used by pci generic bridge as well.
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Diffstat (limited to 'slof')
-rw-r--r-- | slof/fs/dma-function.fs | 36 | ||||
-rw-r--r-- | slof/fs/pci-device.fs | 27 |
2 files changed, 37 insertions, 26 deletions
diff --git a/slof/fs/dma-function.fs b/slof/fs/dma-function.fs new file mode 100644 index 0000000..c1c8716 --- /dev/null +++ b/slof/fs/dma-function.fs @@ -0,0 +1,36 @@ +\ ***************************************************************************** +\ * Copyright (c) 2004, 2014 IBM Corporation +\ * All rights reserved. +\ * This program and the accompanying materials +\ * are made available under the terms of the BSD License +\ * which accompanies this distribution, and is available at +\ * http://www.opensource.org/licenses/bsd-license.php +\ * +\ * Contributors: +\ * IBM Corporation - initial implementation +\ ****************************************************************************/ + +\ DMA memory allocation functions +: dma-alloc ( size -- virt ) + my-phandle TO calling-child + s" dma-alloc" my-phandle parent $call-static + 0 TO calling-child +; + +: dma-free ( virt size -- ) + my-phandle TO calling-child + s" dma-free" my-phandle parent $call-static + 0 TO calling-child +; + +: dma-map-in ( virt size cacheable? -- devaddr ) + my-phandle TO calling-child + s" dma-map-in" my-phandle parent $call-static + 0 TO calling-child +; + +: dma-map-out ( virt devaddr size -- ) + my-phandle TO calling-child + s" dma-map-out" my-phandle parent $call-static + 0 TO calling-child +; diff --git a/slof/fs/pci-device.fs b/slof/fs/pci-device.fs index afad756..7b17758 100644 --- a/slof/fs/pci-device.fs +++ b/slof/fs/pci-device.fs @@ -53,32 +53,7 @@ s" my-puid" my-phandle parent $call-static CONSTANT my-puid r> TO puid \ restore puid ; - -\ DMA memory allocation functions -: dma-alloc ( size -- virt ) - my-phandle TO calling-child - s" dma-alloc" my-phandle parent $call-static - 0 TO calling-child -; - -: dma-free ( virt size -- ) - my-phandle TO calling-child - s" dma-free" my-phandle parent $call-static - 0 TO calling-child -; - -: dma-map-in ( virt size cacheable? -- devaddr ) - my-phandle TO calling-child - s" dma-map-in" my-phandle parent $call-static - 0 TO calling-child -; - -: dma-map-out ( virt devaddr size -- ) - my-phandle TO calling-child - s" dma-map-out" my-phandle parent $call-static - 0 TO calling-child -; - +s" dma-function.fs" included \ generate the rom-fs filename from the vendor and device ID "pci-device_VENDORID_DEVICEID.fs" : devicefile ( -- str len ) |