1 /* $NetBSD: ep93xx_busdma.c,v 1.3 2009/10/23 00:39:30 snj Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Jesse Off 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC 17 * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC 21 * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 27 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * bus_dma tag for EP93xx CPUs 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: ep93xx_busdma.c,v 1.3 2009/10/23 00:39:30 snj Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/types.h> 40 #include <sys/device.h> 41 #include <sys/systm.h> 42 #include <sys/extent.h> 43 44 #define _ARM32_BUS_DMA_PRIVATE 45 #include <machine/bus.h> 46 47 #include <arm/ep93xx/ep93xxvar.h> 48 49 struct arm32_bus_dma_tag ep93xx_bus_dma = { 50 NULL, /* _ranges: set by platform specific routine */ 51 0, /* _nranges */ 52 53 NULL, /* _cookie */ 54 55 _bus_dmamap_create, 56 _bus_dmamap_destroy, 57 _bus_dmamap_load, 58 _bus_dmamap_load_mbuf, 59 _bus_dmamap_load_uio, 60 _bus_dmamap_load_raw, 61 _bus_dmamap_unload, 62 _bus_dmamap_sync, 63 NULL, /* sync_post */ 64 65 _bus_dmamem_alloc, 66 _bus_dmamem_free, 67 _bus_dmamem_map, 68 _bus_dmamem_unmap, 69 _bus_dmamem_mmap, 70 }; 71