/* $NetBSD: algor_p4032_dma.c,v 1.6 2008/04/28 20:23:10 martin 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-4032. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: algor_p4032_dma.c,v 1.6 2008/04/28 20:23:10 martin Exp $"); #include <sys/param.h> #define _ALGOR_BUS_DMA_PRIVATE #include <machine/bus.h> #include <algor/algor/algor_p4032reg.h> #include <algor/algor/algor_p4032var.h> #include <algor/pci/vtpbcvar.h> void algor_p4032_dma_init(struct p4032_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 = vtpbc_configuration.vt_dma_winbase; t->_physbase = P4032_DMA_PCI_PHYSBASE; t->_wsize = P4032_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 PCI on-board Ethernet DMA. * This window has pre-fetching enabled (hooray for broken * PCI bus controllers). */ t = &acp->ac_pci_pf_dmat; t->_cookie = acp; t->_wbase = P4032_DMA_PCI_PF_PCIBASE; t->_physbase = P4032_DMA_PCI_PHYSBASE; t->_wsize = P4032_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; }