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authorTheo de Raadt <deraadt@cvs.openbsd.org>1996-08-11 05:35:37 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1996-08-11 05:35:37 +0000
commite511a52691ddb2290f5d3c9ca6e9f0fc3b320289 (patch)
treef68510b774a71e2a0879cb013e3abd7a15665abc /sys/arch/sparc/dev/power.c
parentfc98d7c9a0046f274410f903f952ef6224f68e10 (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.c103
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;
+}