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Diffstat (limited to 'arch/mips/vr4181/osprey/reset.c')
-rw-r--r--arch/mips/vr4181/osprey/reset.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/vr4181/osprey/reset.c b/arch/mips/vr4181/osprey/reset.c
new file mode 100644
index 000000000000..036ae83d89d6
--- /dev/null
+++ b/arch/mips/vr4181/osprey/reset.c
@@ -0,0 +1,40 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Copyright (C) 1997, 2001 Ralf Baechle
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: jsun@mvista.com or jsun@junsun.net
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/cacheflush.h>
+#include <asm/processor.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+
+void nec_osprey_restart(char *command)
+{
+ set_c0_status(ST0_ERL);
+ change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+ flush_cache_all();
+ write_c0_wired(0);
+ __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
+}
+
+void nec_osprey_halt(void)
+{
+ printk(KERN_NOTICE "\n** You can safely turn off the power\n");
+ while (1)
+ __asm__(".set\tmips3\n\t"
+ "wait\n\t"
+ ".set\tmips0");
+}
+
+void nec_osprey_power_off(void)
+{
+ nec_osprey_halt();
+}