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      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