75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/* $NetBSD: gdium_dma.c,v 1.2 2009/08/06 16:37:01 matt Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Platform-specific DMA support for the Gdium Liberty 1000.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: gdium_dma.c,v 1.2 2009/08/06 16:37:01 matt Exp $");
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#include <sys/param.h>
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#define _MIPS_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <evbmips/gdium/gdiumreg.h>
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#include <evbmips/gdium/gdiumvar.h>
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void
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gdium_dma_init(struct gdium_config *gc)
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{
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bus_dma_tag_t t;
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/*
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* Initialize the DMA tag used for PCI DMA.
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*/
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t = &gc->gc_pci_dmat;
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t->_cookie = gc;
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t->_wbase = GDIUM_DMA_PCI_PCIBASE;
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t->_physbase = GDIUM_DMA_PCI_PHYSBASE;
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t->_wsize = GDIUM_DMA_PCI_SIZE;
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t->_dmamap_create = _bus_dmamap_create;
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t->_dmamap_destroy = _bus_dmamap_destroy;
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t->_dmamap_load = _bus_dmamap_load;
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t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
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t->_dmamap_load_uio = _bus_dmamap_load_uio;
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t->_dmamap_load_raw = _bus_dmamap_load_raw;
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t->_dmamap_unload = _bus_dmamap_unload;
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t->_dmamap_sync = _bus_dmamap_sync;
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t->_dmamem_alloc = _bus_dmamem_alloc;
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t->_dmamem_free = _bus_dmamem_free;
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t->_dmamem_map = _bus_dmamem_map;
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t->_dmamem_unmap = _bus_dmamem_unmap;
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t->_dmamem_mmap = _bus_dmamem_mmap;
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}
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