netbsd/sys/arch/arm/omap/omapl1x_bus_dma.c
2014-01-15 10:53:42 +01:00

94 lines
3.5 KiB
C

/*
* Copyright (c) 2013 Linu Cherian
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain this list of conditions
* and the following disclaimer.
* 2. Redistributions in binary form must reproduce this list of conditions
* and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 2004 Jesse Off
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of The Fujitsu Component Limited nor the name of
* Genetec corporation may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
* CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
* CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* bus_dma tag for omapl1x SOC's
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: omapl1x_bus_dma.c,v 1.1 2013/10/02 16:48:26 matt Exp $");
#include <sys/param.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/extent.h>
#define _ARM32_BUS_DMA_PRIVATE
#include <sys/bus.h>
struct arm32_bus_dma_tag omapl1x_bus_dma_tag = {
_BUS_DMAMAP_FUNCS,
_BUS_DMAMEM_FUNCS,
_BUS_DMATAG_FUNCS,
};
struct arm32_dma_range omapl1x_dma_ranges[] = {
[0] = {
.dr_sysbase = 0x01E20000,
.dr_busbase = 0x01E20000,
.dr_len = 0x2000,
},
};
struct arm32_bus_dma_tag omapl1x_desc_dma_tag = {
._ranges = omapl1x_dma_ranges,
._nranges = __arraycount(omapl1x_dma_ranges),
_BUS_DMAMAP_FUNCS,
_BUS_DMAMEM_FUNCS,
_BUS_DMATAG_FUNCS,
};