91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/* $NetBSD: smdk2800_pci.c,v 1.1 2002/11/20 18:06:26 bsh Exp $ */
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/*
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* Copyright (c) 2002 Fujitsu Component Limited
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* Copyright (c) 2002 Genetec Corporation
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* All rights reserved.
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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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* 3. Neither the name of The Fujitsu Component Limited nor the name of
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* Genetec corporation may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
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* CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
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* CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Platform specific part for S3C2800 PCI support on SMDK2800
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/extent.h>
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#define _ARM32_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pciconf.h>
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#include <arm/s3c2xx0/s3c2800var.h>
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static struct arm32_dma_range smdk2800_dma_ranges[1];
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static struct arm32_bus_dma_tag smdk2800_bus_dma = {
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NULL, /* _ranges: set by init routine */
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0, /* _nranges */
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_bus_dmamap_create,
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_bus_dmamap_destroy,
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_bus_dmamap_load,
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_bus_dmamap_load_mbuf,
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_bus_dmamap_load_uio,
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_bus_dmamap_load_raw,
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_bus_dmamap_unload,
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_bus_dmamap_sync,
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NULL, /* sync_post */
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_bus_dmamem_alloc,
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_bus_dmamem_free,
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_bus_dmamem_map,
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_bus_dmamem_unmap,
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_bus_dmamem_mmap,
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};
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bus_dma_tag_t
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s3c2800_pci_dma_init(void)
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{
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extern paddr_t physical_start, physical_end;
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smdk2800_dma_ranges[0].dr_sysbase = physical_start;
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smdk2800_dma_ranges[0].dr_busbase =
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0x80000000 + physical_start - S3C2800_DBANK0_START;
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smdk2800_dma_ranges[0].dr_len = physical_end - physical_start;
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smdk2800_bus_dma._ranges = smdk2800_dma_ranges;
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smdk2800_bus_dma._nranges = 1;
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return &smdk2800_bus_dma;
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}
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