NetBSD/sys/arch/evbmips/malta/malta_dma.c

105 lines
3.8 KiB
C

/* $NetBSD: malta_dma.c,v 1.3 2002/07/12 00:23:04 simonb Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 THE FOUNDATION OR 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.
*/
/*
* Platform-specific DMA support for the MIPS Malta.
*/
#include <sys/param.h>
#define _MIPS_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <dev/isa/isavar.h>
#include <evbmips/malta/maltareg.h>
#include <evbmips/malta/maltavar.h>
void
malta_dma_init(struct malta_config *acp)
{
bus_dma_tag_t t;
/*
* Initialize the DMA tag used for PCI DMA.
*/
t = &acp->mc_pci_dmat;
t->_cookie = acp;
t->_wbase = MALTA_DMA_PCI_PCIBASE;
t->_physbase = MALTA_DMA_PCI_PHYSBASE;
t->_wsize = MALTA_DMA_PCI_SIZE;
t->_dmamap_create = _bus_dmamap_create;
t->_dmamap_destroy = _bus_dmamap_destroy;
t->_dmamap_load = _bus_dmamap_load;
t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
t->_dmamap_load_uio = _bus_dmamap_load_uio;
t->_dmamap_load_raw = _bus_dmamap_load_raw;
t->_dmamap_unload = _bus_dmamap_unload;
t->_dmamap_sync = _bus_dmamap_sync;
t->_dmamem_alloc = _bus_dmamem_alloc;
t->_dmamem_free = _bus_dmamem_free;
t->_dmamem_map = _bus_dmamem_map;
t->_dmamem_unmap = _bus_dmamem_unmap;
t->_dmamem_mmap = _bus_dmamem_mmap;
/*
* Initialize the DMA tag used for ISA DMA.
*/
t = &acp->mc_isa_dmat;
t->_cookie = acp;
t->_wbase = MALTA_DMA_ISA_PCIBASE;
t->_physbase = MALTA_DMA_ISA_PHYSBASE;
t->_wsize = MALTA_DMA_ISA_SIZE;
t->_dmamap_create = isadma_bounce_dmamap_create;
t->_dmamap_destroy = isadma_bounce_dmamap_destroy;
t->_dmamap_load = isadma_bounce_dmamap_load;
t->_dmamap_load_mbuf = isadma_bounce_dmamap_load_mbuf;
t->_dmamap_load_uio = isadma_bounce_dmamap_load_uio;
t->_dmamap_load_raw = isadma_bounce_dmamap_load_raw;
t->_dmamap_unload = isadma_bounce_dmamap_unload;
t->_dmamap_sync = isadma_bounce_dmamap_sync;
t->_dmamem_alloc = isadma_bounce_dmamem_alloc;
t->_dmamem_free = _bus_dmamem_free;
t->_dmamem_map = _bus_dmamem_map;
t->_dmamem_unmap = _bus_dmamem_unmap;
t->_dmamem_mmap = _bus_dmamem_mmap;
}