xref: /openbsd/sys/arch/octeon/dev/iobusvar.h (revision 6fb00c13)
1 /*	$OpenBSD: iobusvar.h,v 1.5 2024/05/20 23:20:29 jsg Exp $	*/
2 
3 /*
4  * Copyright (c) 2001-2003 Opsycon AB  (www.opsycon.se / www.opsycon.com)
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  */
28 
29 #ifndef	_IOBUSVAR_H_
30 #define	_IOBUSVAR_H_
31 
32 #include <machine/bus.h>
33 
34 extern bus_space_t iobus_tag;
35 
36 struct iobus_attach_args {
37 	char		*aa_name;
38 	int		aa_unitno;
39 
40 	bus_addr_t	aa_addr;
41 	int		aa_irq;
42 
43 	bus_space_tag_t	aa_bust;
44 	bus_dma_tag_t	aa_dmat;
45 };
46 
47 struct octeon_iobus_addrs {
48 	const char	*name;
49 	bus_addr_t	address;
50 };
51 
52 int	 iobus_space_map(bus_space_tag_t, bus_addr_t, bus_size_t, int,
53 	    bus_space_handle_t *);
54 void	 iobus_space_unmap(bus_space_tag_t, bus_space_handle_t, bus_size_t);
55 
56 #endif	/* _IOBUSVAR_H_ */
57