patch-2.4.19 linux-2.4.19/arch/mips/vr4181/osprey/reset.c

• Lines: 41
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/vr4181/osprey/reset.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/vr4181/osprey/reset.c linux-2.4.19/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/pgtable.h>
+#include <asm/processor.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+
+void nec_osprey_restart(char *command)
+{
+	set_cp0_status(ST0_ERL);
+	change_cp0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+	flush_cache_all();
+	write_32bit_cp0_register(CP0_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();
+}