sandpoint/include/openpicreg.h

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