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at91_bus_dma.c revision 1.6 
      1 /*	$NetBSD: at91_bus_dma.c,v 1.6 2020/06/17 06:48:06 thorpej 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: at91_bus_dma.c,v 1.6 2020/06/17 06:48:06 thorpej Exp $");
     37 
     38 #include <sys/param.h>
     39 #include <sys/types.h>
     40 #include <sys/device.h>
     41 #include <sys/systm.h>
     42 
     43 #define _ARM32_BUS_DMA_PRIVATE
     44 #include <sys/bus.h>
     45 
     46 #include <arm/at91/at91var.h>
     47 
     48 struct arm32_bus_dma_tag at91_bd_tag = {
     49 	_BUS_DMAMAP_FUNCS,
     50 	_BUS_DMAMEM_FUNCS,
     51 	_BUS_DMAMAP_FUNCS,
     52 };
     53