90d26c8828
o put definitions where due o cleanup some types (u_int -> vaddr_t's for example) o minor other cleanup
85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/* $NetBSD: zbusvar.h,v 1.5 2002/04/25 09:20:32 aymeric Exp $ */
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/*
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* Copyright (c) 1994 Christian E. Hopps
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* All rights reserved.
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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 by Christian E. Hopps.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ZBUSVAR_H_
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#define _ZBUSVAR_H_
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struct zbus_args {
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void *pa;
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void *va;
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int size;
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int slot;
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int manid;
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int prodid;
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int serno;
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};
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extern vaddr_t ZTWOROMADDR;
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extern vaddr_t ZTWOMEMADDR;
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extern u_int NZTWOMEMPG;
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extern vaddr_t ZBUSADDR; /* kva of Zorro bus I/O pages */
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extern u_int ZBUSAVAIL; /* bytes of Zorro bus I/O space left */
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#define ZTWOROMBASE (0x00D80000)
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#define ZTWOROMTOP (0x00F80000)
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#define NZTWOROMPG btoc(ZTWOROMTOP-ZTWOROMBASE)
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/*
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* maps a ztwo and/or A3000 builtin address into the mapped kva address
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*/
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#if defined(__m68k__)
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#define ztwomap(pa) \
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((volatile void *)((u_int)ZTWOROMADDR - ZTWOROMBASE + (u_int)(pa)))
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#define ztwopa(va) ((caddr_t)(ZTWOROMBASE + (u_int)(va) - (u_int)ZTWOROMADDR))
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#else
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#define ztwomap(pa) (volatile void *)(pa)
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#define ztwopa(va) (caddr_t)(va)
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#endif
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/*
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* tests whether the address lies in our zorro2 rom space
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*/
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#define isztwokva(kva) \
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((u_int)(kva) >= ZTWOROMADDR && \
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(u_int)(kva) < \
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(ZTWOROMADDR + ZTWOROMTOP - ZTWOROMBASE))
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#define isztwopa(pa) ((u_int)(pa) >= ZTWOROMBASE && (u_int)(pa) <= ZTWOROMTOP)
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#define isztwomem(kva) \
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(ZTWOMEMADDR && (u_int)(kva) >= ZTWOMEMADDR && \
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(u_int)(kva) < (ZTWOMEMADDR + NZTWOMEMPG * NBPG))
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#define ZTHREEBASE (0x40000000)
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#define ZTHREETOP ((u_long)0x80000000)
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#define NZTHREEPG btoc(ZTHREETOP - ZTHREEBASE)
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#define iszthreepa(pa) ((u_int)(pa) >= ZTHREEBASE && (u_int)(pa) <= ZTHREETOP)
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#endif /* _ZBUS_H_ */
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