xref: /netbsd-src/sys/arch/arm/s3c2xx0/s3c2xx0_busdma.c (revision 934f5fa97ba9f772a8caecfcac7ee201f35bb856)
1 /*	$NetBSD: s3c2xx0_busdma.c,v 1.6 2020/06/17 06:52:59 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 2002, 2003 Fujitsu Component Limited
5  * Copyright (c) 2002, 2003 Genetec Corporation
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of The Fujitsu Component Limited nor the name of
17  *    Genetec corporation may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
21  * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
22  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED.  IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
25  * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 /*
36  * bus_dma tag for s3c2xx0 CPUs
37  */
38 
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: s3c2xx0_busdma.c,v 1.6 2020/06/17 06:52:59 thorpej Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/types.h>
44 #include <sys/device.h>
45 #include <sys/systm.h>
46 
47 #define _ARM32_BUS_DMA_PRIVATE
48 #include <sys/bus.h>
49 
50 #include <arm/s3c2xx0/s3c2xx0var.h>
51 
52 struct arm32_bus_dma_tag s3c2xx0_bus_dma = {
53 	_BUS_DMAMAP_FUNCS,
54 	_BUS_DMAMEM_FUNCS,
55 	_BUS_DMATAG_FUNCS,
56 };
57