/* $NetBSD: algor_p5064_dma.c,v 1.6 2011/07/08 18:48:55 matt 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. * * 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 Algorithmics P-5064. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: algor_p5064_dma.c,v 1.6 2011/07/08 18:48:55 matt Exp $"); #include <sys/param.h> #define _MIPS_BUS_DMA_PRIVATE #include <sys/bus.h> #include <algor/algor/algor_p5064reg.h> #include <algor/algor/algor_p5064var.h> #include <dev/isa/isavar.h> void algor_p5064_dma_init(struct p5064_config *acp) { bus_dma_tag_t t; /* * Initialize the DMA tag used for PCI DMA. */ t = &acp->ac_pci_dmat; t->_cookie = acp; t->_wbase = P5064_DMA_PCI_PCIBASE; t->_bounce_alloc_lo = P5064_DMA_PCI_PHYSBASE; t->_bounce_alloc_hi = P5064_DMA_PCI_PHYSBASE + P5064_DMA_PCI_SIZE; t->_dmamap_ops = mips_bus_dmamap_ops; t->_dmamem_ops = mips_bus_dmamem_ops; t->_dmatag_ops = mips_bus_dmatag_ops; /* * Initialize the DMA tag usd for ISA DMA. */ t = &acp->ac_isa_dmat; t->_cookie = acp; t->_wbase = P5064_DMA_ISA_PCIBASE; t->_bounce_alloc_lo = P5064_DMA_ISA_PHYSBASE; t->_bounce_alloc_hi = P5064_DMA_ISA_PHYSBASE + P5064_DMA_ISA_SIZE; t->_dmamap_ops = mips_bus_dmamap_ops; t->_dmamem_ops = mips_bus_dmamem_ops; t->_dmatag_ops = mips_bus_dmatag_ops; } |