NetBSD/sys/arch/arm/xscale/ixp425_pci_dma.c

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2005-12-11 15:16:03 +03:00
/* $NetBSD: ixp425_pci_dma.c,v 1.3 2005/12/11 12:16:51 christos Exp $ */
2003-09-25 18:11:18 +04:00
/*
* Copyright (c) 2003
* Ichiro FUKUHARA <ichiro@ichiro.org>.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Ichiro FUKUHARA.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD 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.
*/
#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ixp425_pci_dma.c,v 1.3 2005/12/11 12:16:51 christos Exp $");
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#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <uvm/uvm_extern.h>
#define _ARM32_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <arm/xscale/ixp425reg.h>
#include <arm/xscale/ixp425var.h>
void
ixp425_pci_dma_init(struct ixp425_softc *sc)
{
extern paddr_t physical_start, physical_end;
bus_dma_tag_t dmat = &sc->ia_pci_dmat;
struct arm32_dma_range *dr = &sc->ia_pci_dma_range;
dmat->_ranges = dr;
dmat->_nranges = 1;
dr->dr_sysbase = physical_start;
dr->dr_busbase = physical_start;
dr->dr_len = physical_end - physical_start;
dmat->_dmamap_create = _bus_dmamap_create;
dmat->_dmamap_destroy = _bus_dmamap_destroy;
dmat->_dmamap_load = _bus_dmamap_load;
dmat->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
dmat->_dmamap_load_uio = _bus_dmamap_load_uio;
dmat->_dmamap_load_raw = _bus_dmamap_load_raw;
dmat->_dmamap_unload = _bus_dmamap_unload;
dmat->_dmamap_sync_pre = _bus_dmamap_sync;
dmat->_dmamap_sync_post = NULL;
dmat->_dmamem_alloc = _bus_dmamem_alloc;
dmat->_dmamem_free = _bus_dmamem_free;
dmat->_dmamem_map = _bus_dmamem_map;
dmat->_dmamem_unmap = _bus_dmamem_unmap;
dmat->_dmamem_mmap = _bus_dmamem_mmap;
}