NetBSD/sys/arch/sandpoint/include/openpicreg.h
briggs e96035c57c Tsubai has convinced me that openpic_init() should remain machine-dependant
as the details might differ between archs, and passing the various options
leads to some clutter.
2001-02-05 19:22:23 +00:00

66 lines
2.7 KiB
C

/* $NetBSD: openpicreg.h,v 1.2 2001/02/05 19:22:24 briggs Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Allen Briggs for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* INTERRUPT SOURCE register
* This is kind of odd on the MPC8240. The interrupts are kind of
* spread around.
* * The 5 external interrupts are at 0x10200 + irq * 0x20
* * The next 3 interrupts are at 0x11000 + (irq - 4) * 0x20
* * The next interrupt is at 0x110C0 + (irq - 4) * 0x20
* * The last interrupts are at 0x01120 + (irq - 9) * 0x20
*/
/* interrupt vector/priority reg */
#define OPENPIC_SRC_VECTOR(irq) \
((irq <= 4) ? (0x10200 + (irq) * 0x20) \
: ((irq <= 7) ? (0x11000 + ((irq) - 4) * 0x20) \
: ((irq == 8) ? 0x110C0 \
: (0x01120 + ((irq) - 9) * 0x40))))
#define OPENPIC_INIT_SRC(irq) \
(((OPENPIC_IMASK | (8 << OPENPIC_PRIORITY_SHIFT)) | \
(((irq) <= 4) ? \
(OPENPIC_POLARITY_NEGATIVE | OPENPIC_SENSE_LEVEL) : 0)) \
| (irq))
#define OPENPIC_IDEST(irq) OPENPIC_SRC_VECTOR(irq) + 0x10
void openpic_init __P((unsigned char *));
#include <powerpc/openpicreg.h>