patch-2.4.19 linux-2.4.19/arch/mips/galileo-boards/generic/reset.c

• Lines: 73
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/galileo-boards/generic/reset.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/galileo-boards/generic/reset.c linux-2.4.19/arch/mips/galileo-boards/generic/reset.c
@@ -0,0 +1,72 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *	Galileo EV96100 reset routines.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or source@mvista.com
+ *
+ * This file was derived from Carsten Langgaard's 
+ * arch/mips/mips-boards/generic/reset.c
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ *  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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``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 AUTHOR  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.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#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>
+
+#include <asm/reboot.h>
+#include <asm/galileo-boards/ev96100.h>
+
+static void mips_machine_restart(char *command);
+static void mips_machine_halt(void);
+
+static void mips_machine_restart(char *command)
+{
+	set_cp0_status(ST0_BEV | 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));
+	while (1);
+}
+
+static void mips_machine_halt(void)
+{
+	printk(KERN_NOTICE "You can safely turn off the power\n");
+	while (1)
+		__asm__(".set\tmips3\n\t"
+	                "wait\n\t"
+			".set\tmips0");
+}
+
+void mips_reboot_setup(void)
+{
+	_machine_restart = mips_machine_restart;
+	_machine_halt = mips_machine_halt;
+}