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
gt_devbus_addr(device_t gt,int unit,uint32_t * ldp,uint32_t * hdp)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