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openpicreg.h revision 1.1 
      1 /*	$NetBSD: openpicreg.h,v 1.1 2001/02/04 18:32:14 briggs Exp $	*/
      2 
      3 /*
      4  * Copyright 2001 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Allen Briggs for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 /*
     39  * INTERRUPT SOURCE register
     40  * This is kind of odd on the MPC8240.  The interrupts are kind of
     41  * spread around.
     42  *	* The 5 external interrupts are at 0x10200 + irq * 0x20
     43  *	* The next 3 interrupts are at 0x11000 + (irq - 4) * 0x20
     44  *	* The next interrupt is at 0x110C0 + (irq - 4) * 0x20
     45  *	* The last interrupts are at 0x01120 + (irq - 9) * 0x20
     46  */
     47 
     48 /* interrupt vector/priority reg */
     49 #define OPENPIC_SRC_VECTOR(irq) \
     50 	    ((irq <= 4) ? (0x10200 + (irq) * 0x20) \
     51 		: ((irq <= 7) ? (0x11000 + ((irq) - 4) * 0x20) \
     52 		    : ((irq == 8) ? 0x110C0 \
     53 		       : (0x01120 + ((irq) - 9) * 0x40))))
     54 
     55 #define	OPENPIC_INIT_SRC(irq) \
     56 	    (((OPENPIC_IMASK | (8 << OPENPIC_PRIORITY_SHIFT)) | \
     57 		(((irq) <= 4) ? \
     58 		    (OPENPIC_POLARITY_NEGATIVE | OPENPIC_SENSE_LEVEL) : 0)) \
     59 	    | (irq))
     60 
     61 #define OPENPIC_IDEST(irq)		OPENPIC_SRC_VECTOR(irq) + 0x10
     62 
     63 #include <powerpc/openpicreg.h>
     64