malta_dma.c revision 1.3.2.2
1 1.3.2.2 simonb /* $NetBSD: malta_dma.c,v 1.3.2.2 2002/07/12 00:23:05 simonb Exp $ */ 2 1.3.2.2 simonb 3 1.3.2.2 simonb /*- 4 1.3.2.2 simonb * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.3.2.2 simonb * All rights reserved. 6 1.3.2.2 simonb * 7 1.3.2.2 simonb * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 simonb * by Jason R. Thorpe. 9 1.3.2.2 simonb * 10 1.3.2.2 simonb * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 simonb * modification, are permitted provided that the following conditions 12 1.3.2.2 simonb * are met: 13 1.3.2.2 simonb * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 simonb * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 simonb * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 simonb * documentation and/or other materials provided with the distribution. 18 1.3.2.2 simonb * 3. All advertising materials mentioning features or use of this software 19 1.3.2.2 simonb * must display the following acknowledgement: 20 1.3.2.2 simonb * This product includes software developed by the NetBSD 21 1.3.2.2 simonb * Foundation, Inc. and its contributors. 22 1.3.2.2 simonb * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.3.2.2 simonb * contributors may be used to endorse or promote products derived 24 1.3.2.2 simonb * from this software without specific prior written permission. 25 1.3.2.2 simonb * 26 1.3.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.3.2.2 simonb * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.3.2.2 simonb * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.3.2.2 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.3.2.2 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.3.2.2 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.3.2.2 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.3.2.2 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.3.2.2 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.3.2.2 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.3.2.2 simonb * POSSIBILITY OF SUCH DAMAGE. 37 1.3.2.2 simonb */ 38 1.3.2.2 simonb 39 1.3.2.2 simonb /* 40 1.3.2.2 simonb * Platform-specific DMA support for the MIPS Malta. 41 1.3.2.2 simonb */ 42 1.3.2.2 simonb 43 1.3.2.2 simonb #include <sys/param.h> 44 1.3.2.2 simonb 45 1.3.2.2 simonb #define _MIPS_BUS_DMA_PRIVATE 46 1.3.2.2 simonb #include <machine/bus.h> 47 1.3.2.2 simonb 48 1.3.2.2 simonb #include <dev/isa/isavar.h> 49 1.3.2.2 simonb 50 1.3.2.2 simonb #include <evbmips/malta/maltareg.h> 51 1.3.2.2 simonb #include <evbmips/malta/maltavar.h> 52 1.3.2.2 simonb 53 1.3.2.2 simonb void 54 1.3.2.2 simonb malta_dma_init(struct malta_config *acp) 55 1.3.2.2 simonb { 56 1.3.2.2 simonb bus_dma_tag_t t; 57 1.3.2.2 simonb 58 1.3.2.2 simonb /* 59 1.3.2.2 simonb * Initialize the DMA tag used for PCI DMA. 60 1.3.2.2 simonb */ 61 1.3.2.2 simonb t = &acp->mc_pci_dmat; 62 1.3.2.2 simonb t->_cookie = acp; 63 1.3.2.2 simonb t->_wbase = MALTA_DMA_PCI_PCIBASE; 64 1.3.2.2 simonb t->_physbase = MALTA_DMA_PCI_PHYSBASE; 65 1.3.2.2 simonb t->_wsize = MALTA_DMA_PCI_SIZE; 66 1.3.2.2 simonb t->_dmamap_create = _bus_dmamap_create; 67 1.3.2.2 simonb t->_dmamap_destroy = _bus_dmamap_destroy; 68 1.3.2.2 simonb t->_dmamap_load = _bus_dmamap_load; 69 1.3.2.2 simonb t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf; 70 1.3.2.2 simonb t->_dmamap_load_uio = _bus_dmamap_load_uio; 71 1.3.2.2 simonb t->_dmamap_load_raw = _bus_dmamap_load_raw; 72 1.3.2.2 simonb t->_dmamap_unload = _bus_dmamap_unload; 73 1.3.2.2 simonb t->_dmamap_sync = _bus_dmamap_sync; 74 1.3.2.2 simonb 75 1.3.2.2 simonb t->_dmamem_alloc = _bus_dmamem_alloc; 76 1.3.2.2 simonb t->_dmamem_free = _bus_dmamem_free; 77 1.3.2.2 simonb t->_dmamem_map = _bus_dmamem_map; 78 1.3.2.2 simonb t->_dmamem_unmap = _bus_dmamem_unmap; 79 1.3.2.2 simonb t->_dmamem_mmap = _bus_dmamem_mmap; 80 1.3.2.2 simonb 81 1.3.2.2 simonb /* 82 1.3.2.2 simonb * Initialize the DMA tag used for ISA DMA. 83 1.3.2.2 simonb */ 84 1.3.2.2 simonb t = &acp->mc_isa_dmat; 85 1.3.2.2 simonb t->_cookie = acp; 86 1.3.2.2 simonb t->_wbase = MALTA_DMA_ISA_PCIBASE; 87 1.3.2.2 simonb t->_physbase = MALTA_DMA_ISA_PHYSBASE; 88 1.3.2.2 simonb t->_wsize = MALTA_DMA_ISA_SIZE; 89 1.3.2.2 simonb 90 1.3.2.2 simonb t->_dmamap_create = isadma_bounce_dmamap_create; 91 1.3.2.2 simonb t->_dmamap_destroy = isadma_bounce_dmamap_destroy; 92 1.3.2.2 simonb t->_dmamap_load = isadma_bounce_dmamap_load; 93 1.3.2.2 simonb t->_dmamap_load_mbuf = isadma_bounce_dmamap_load_mbuf; 94 1.3.2.2 simonb t->_dmamap_load_uio = isadma_bounce_dmamap_load_uio; 95 1.3.2.2 simonb t->_dmamap_load_raw = isadma_bounce_dmamap_load_raw; 96 1.3.2.2 simonb t->_dmamap_unload = isadma_bounce_dmamap_unload; 97 1.3.2.2 simonb t->_dmamap_sync = isadma_bounce_dmamap_sync; 98 1.3.2.2 simonb 99 1.3.2.2 simonb t->_dmamem_alloc = isadma_bounce_dmamem_alloc; 100 1.3.2.2 simonb t->_dmamem_free = _bus_dmamem_free; 101 1.3.2.2 simonb t->_dmamem_map = _bus_dmamem_map; 102 1.3.2.2 simonb t->_dmamem_unmap = _bus_dmamem_unmap; 103 1.3.2.2 simonb t->_dmamem_mmap = _bus_dmamem_mmap; 104 1.3.2.2 simonb } 105
Indexes created Sun Nov 02 07:10:05 GMT 2025