e96035c57c
as the details might differ between archs, and passing the various options leads to some clutter.
66 lines
2.7 KiB
C
66 lines
2.7 KiB
C
/* $NetBSD: openpicreg.h,v 1.2 2001/02/05 19:22:24 briggs Exp $ */
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/*
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* Copyright 2001 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Allen Briggs for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* INTERRUPT SOURCE register
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* This is kind of odd on the MPC8240. The interrupts are kind of
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* spread around.
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* * The 5 external interrupts are at 0x10200 + irq * 0x20
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* * The next 3 interrupts are at 0x11000 + (irq - 4) * 0x20
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* * The next interrupt is at 0x110C0 + (irq - 4) * 0x20
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* * The last interrupts are at 0x01120 + (irq - 9) * 0x20
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*/
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/* interrupt vector/priority reg */
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#define OPENPIC_SRC_VECTOR(irq) \
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((irq <= 4) ? (0x10200 + (irq) * 0x20) \
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: ((irq <= 7) ? (0x11000 + ((irq) - 4) * 0x20) \
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: ((irq == 8) ? 0x110C0 \
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: (0x01120 + ((irq) - 9) * 0x40))))
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#define OPENPIC_INIT_SRC(irq) \
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(((OPENPIC_IMASK | (8 << OPENPIC_PRIORITY_SHIFT)) | \
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(((irq) <= 4) ? \
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(OPENPIC_POLARITY_NEGATIVE | OPENPIC_SENSE_LEVEL) : 0)) \
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| (irq))
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#define OPENPIC_IDEST(irq) OPENPIC_SRC_VECTOR(irq) + 0x10
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void openpic_init __P((unsigned char *));
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#include <powerpc/openpicreg.h>
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