/* $NetBSD: sic6351.c,v 1.3 2005/12/11 12:17:04 christos Exp $ */ /* * Copyright (c) 1997, 1999 * Matthias Drochner. All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. * */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: sic6351.c,v 1.3 2005/12/11 12:17:04 christos Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <machine/cpu.h> #include <machine/pte.h> void sicinit __P((void*)); int act2icr __P((int)); void sic_enable_int __P((int, int, int, int, int)); static char *sicbase; void sicinit(base) void *base; { int i; sicbase = base; for(i = 0x100; i <= 0x1a4; i += 4) *(volatile int *)(sicbase + i) = 0; } int act2icr(act) int act; { if (act == 17) return (0x90); /* ILACC */ if (act == 19) return (0x94); /* ZS */ if (act == 25) return (0xa4); /* RTC */ if (act == 39) return (0x6c); /* ABORT A */ panic("sic: unknown act %d", act); } void sic_enable_int(nr, type, icod, level, vector) int nr, type, icod, level, vector; { if (icod == 0) *(volatile int *)(sicbase + 0x300 + nr * 4) = vector; *(volatile int *)(sicbase + 0x200 + nr * 4) = icod; *(volatile int *)(sicbase + 0x100 + act2icr(nr)) = 0x80 | (type << 4) | level; }