1 /* $NetBSD: zbusvar.h,v 1.5 2002/04/25 09:20:32 aymeric Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christian E. Hopps 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christian E. Hopps. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 #ifndef _ZBUSVAR_H_ 33 #define _ZBUSVAR_H_ 34 35 struct zbus_args { 36 void *pa; 37 void *va; 38 int size; 39 int slot; 40 int manid; 41 int prodid; 42 int serno; 43 }; 44 45 extern vaddr_t ZTWOROMADDR; 46 extern vaddr_t ZTWOMEMADDR; 47 extern u_int NZTWOMEMPG; 48 extern vaddr_t ZBUSADDR; /* kva of Zorro bus I/O pages */ 49 extern u_int ZBUSAVAIL; /* bytes of Zorro bus I/O space left */ 50 51 #define ZTWOROMBASE (0x00D80000) 52 #define ZTWOROMTOP (0x00F80000) 53 #define NZTWOROMPG btoc(ZTWOROMTOP-ZTWOROMBASE) 54 55 /* 56 * maps a ztwo and/or A3000 builtin address into the mapped kva address 57 */ 58 #if defined(__m68k__) 59 #define ztwomap(pa) \ 60 ((volatile void *)((u_int)ZTWOROMADDR - ZTWOROMBASE + (u_int)(pa))) 61 #define ztwopa(va) ((caddr_t)(ZTWOROMBASE + (u_int)(va) - (u_int)ZTWOROMADDR)) 62 #else 63 #define ztwomap(pa) (volatile void *)(pa) 64 #define ztwopa(va) (caddr_t)(va) 65 #endif 66 67 /* 68 * tests whether the address lies in our zorro2 rom space 69 */ 70 #define isztwokva(kva) \ 71 ((u_int)(kva) >= ZTWOROMADDR && \ 72 (u_int)(kva) < \ 73 (ZTWOROMADDR + ZTWOROMTOP - ZTWOROMBASE)) 74 #define isztwopa(pa) ((u_int)(pa) >= ZTWOROMBASE && (u_int)(pa) <= ZTWOROMTOP) 75 #define isztwomem(kva) \ 76 (ZTWOMEMADDR && (u_int)(kva) >= ZTWOMEMADDR && \ 77 (u_int)(kva) < (ZTWOMEMADDR + NZTWOMEMPG * NBPG)) 78 79 #define ZTHREEBASE (0x40000000) 80 #define ZTHREETOP ((u_long)0x80000000) 81 #define NZTHREEPG btoc(ZTHREETOP - ZTHREEBASE) 82 83 #define iszthreepa(pa) ((u_int)(pa) >= ZTHREEBASE && (u_int)(pa) <= ZTHREETOP) 84 #endif /* _ZBUS_H_ */ 85