xref: /netbsd/sys/dev/marvell/gtdevbusvar.h (revision 6550d01e)
1 /*	$NetBSD: gtdevbusvar.h,v 1.1 2010/04/28 13:51:56 kiyohara Exp $	*/
2 /*
3  * Copyright (c) 2009 KIYOHARA Takashi
4  * All rights reserved.
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 OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 #ifndef _GTDEVBUSVAR_H_
28 #define _GTDEVBUSVAR_H_
29 
30 static __inline int
31 gt_devbus_addr(device_t gt, int unit, uint32_t *ldp, uint32_t *hdp)
32 {
33 	static const struct {
34 		bus_addr_t low_decode;
35 		bus_addr_t high_decode;
36 	} obio_info[5] = {
37 		{ GT_CS0_Low_Decode, GT_CS0_High_Decode, },
38 		{ GT_CS1_Low_Decode, GT_CS1_High_Decode, },
39 		{ GT_CS2_Low_Decode, GT_CS2_High_Decode, },
40 		{ GT_CS3_Low_Decode, GT_CS3_High_Decode, },
41 		{ GT_BootCS_Low_Decode, GT_BootCS_High_Decode, },
42 	};
43 	struct gt_softc *sc = device_private(gt);
44 
45 	if (unit >= __arraycount(obio_info))
46 		return -1;
47 
48 	*ldp = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
49 	    obio_info[unit].low_decode);
50 	*hdp = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
51 	    obio_info[unit].high_decode);
52 	return 0;
53 }
54 
55 #endif	/* _GTDEVBUSVAR_H_ */
56