/* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This software was developed by the Computer Systems Engineering group * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and * contributed to Berkeley. * * All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Lawrence Berkeley Laboratory. * * 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 by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. * * @(#)auxreg.c 8.1 (Berkeley) 6/11/93 * * from: $Header: auxreg.c,v 1.11 92/11/26 03:04:44 torek Exp $ (LBL) */ #include <sys/param.h> #include <sys/device.h> #include <sys/kernel.h> #include <machine/autoconf.h> #include <sparc/sparc/vaddrs.h> #include <sparc/sparc/auxreg.h> static int auxregmatch __P((struct device *, struct cfdata *, void *)); static void auxregattach __P((struct device *, struct device *, void *)); struct cfdriver auxregcd = { 0, "auxreg", auxregmatch, auxregattach, DV_DULL, sizeof(struct device) }; #ifdef BLINK static int blink(zero) void *zero; { register int s; register fixpt_t lav; s = splhigh(); LED_FLIP; splx(s); /* * Blink rate is: * full cycle every second if completely idle (loadav = 0) * full cycle every 2 seconds if loadav = 1 * full cycle every 3 seconds if loadav = 2 * etc. */ s = (((averunnable[0] + FSCALE) * hz) >> (FSHIFT + 1)); timeout(blink, (caddr_t)0, s); } #endif /* * The OPENPROM calls this "auxiliary-io". */ static int auxregmatch(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { return (strcmp("auxiliary-io", ((struct romaux *)aux)->ra_name) == 0); } /* ARGSUSED */ static void auxregattach(parent, self, aux) struct device *parent, *self; void *aux; { struct romaux *ra = aux; (void)mapdev(ra->ra_paddr, AUXREG_VA, sizeof(long)); printf("\n"); #ifdef BLINK blink((caddr_t)0); #endif }