diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-08-11 05:35:37 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-08-11 05:35:37 +0000 |
commit | e511a52691ddb2290f5d3c9ca6e9f0fc3b320289 (patch) | |
tree | f68510b774a71e2a0879cb013e3abd7a15665abc /sys/arch/sparc/dev/power.c | |
parent | fc98d7c9a0046f274410f903f952ef6224f68e10 (diff) |
netbsd port, now we merge our changes back in
Diffstat (limited to 'sys/arch/sparc/dev/power.c')
-rw-r--r-- | sys/arch/sparc/dev/power.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sys/arch/sparc/dev/power.c b/sys/arch/sparc/dev/power.c new file mode 100644 index 00000000000..02308765505 --- /dev/null +++ b/sys/arch/sparc/dev/power.c @@ -0,0 +1,103 @@ +/* $NetBSD: power.c,v 1.2 1996/05/16 15:56:56 abrown Exp $ */ + +/* + * Copyright (c) 1996 + * The President and Fellows of Harvard College. All rights reserved. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Aaron Brown and + * Harvard University. + * + * 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 Harvard University + * 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. + * + * $Id: power.c,v 1.1 1996/08/11 05:34:25 deraadt Exp $ + */ + +#include <sys/param.h> +#include <sys/device.h> +#include <sys/kernel.h> +#include <sys/systm.h> + +#include <machine/autoconf.h> + +#include <sparc/dev/power.h> + +static int powermatch __P((struct device *, void *, void *)); +static void powerattach __P((struct device *, struct device *, void *)); + +struct cfattach power_ca = { + sizeof(struct device), powermatch, powerattach +}; + +struct cfdriver power_cd = { + NULL, "power", DV_DULL +}; + +/* + * This is the driver for the "power" register available on some Sun4m + * machines. This allows the machine to remove power automatically when + * shutdown or halted or whatever. + * + * XXX: this capability is not utilized in the current kernel. + */ + +static int +powermatch(parent, vcf, aux) + struct device *parent; + void *aux, *vcf; +{ + register struct confargs *ca = aux; + + if (CPU_ISSUN4M) + return (strcmp("power", ca->ca_ra.ra_name) == 0); + + return (0); +} + +/* ARGSUSED */ +static void +powerattach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct confargs *ca = aux; + struct romaux *ra = &ca->ca_ra; + + power_reg = mapdev(ra->ra_reg, 0, 0, sizeof(long), ca->ca_bustype); + + printf("\n"); +} + +void +powerdown() +{ + *POWER_REG |= POWER_OFF; +} |