84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/* $NetBSD: ixp12x0_pci_dma.c,v 1.6 2003/03/25 06:12:47 igy Exp $ */
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/*
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* Copyright (c) 2002, 2003
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* Ichiro FUKUHARA <ichiro@ichiro.org>.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Ichiro FUKUHARA.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT 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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ixp12x0_pci_dma.c,v 1.6 2003/03/25 06:12:47 igy Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <uvm/uvm_extern.h>
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#define _ARM32_BUS_DMA_PRIVATE
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#include <machine/bus.h>
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#include <arm/ixp12x0/ixp12x0_pcireg.h>
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#include <arm/ixp12x0/ixp12x0var.h>
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void
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ixp12x0_pci_dma_init(struct ixp12x0_softc *sc)
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{
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extern paddr_t physical_start, physical_end;
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bus_dma_tag_t dmat = &sc->ia_pci_dmat;
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struct arm32_dma_range *dr = &sc->ia_pci_dma_range;
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dmat->_ranges = dr;
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dmat->_nranges = 1;
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dr->dr_sysbase = physical_start;
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dr->dr_busbase = PCI_MAPREG_MEM_ADDR(IXP1200_PCI_MEM_BAR +
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physical_start);
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dr->dr_len = physical_end - physical_start;
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dmat->_dmamap_create = _bus_dmamap_create;
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dmat->_dmamap_destroy = _bus_dmamap_destroy;
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dmat->_dmamap_load = _bus_dmamap_load;
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dmat->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
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dmat->_dmamap_load_uio = _bus_dmamap_load_uio;
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dmat->_dmamap_load_raw = _bus_dmamap_load_raw;
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dmat->_dmamap_unload = _bus_dmamap_unload;
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dmat->_dmamap_sync_pre = _bus_dmamap_sync;
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dmat->_dmamap_sync_post = NULL;
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dmat->_dmamem_alloc = _bus_dmamem_alloc;
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dmat->_dmamem_free = _bus_dmamem_free;
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dmat->_dmamem_map = _bus_dmamem_map;
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dmat->_dmamem_unmap = _bus_dmamem_unmap;
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dmat->_dmamem_mmap = _bus_dmamem_mmap;
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}
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