patch-2.4.22 linux-2.4.22/arch/mips/lasat/reset.c

• Lines: 74
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/lasat/reset.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/mips/lasat/reset.c linux-2.4.22/arch/mips/lasat/reset.c
@@ -0,0 +1,73 @@
+/* 
+ *
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * ########################################################################
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  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.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ *
+ * Reset the LASAT board.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <asm/lasat/lasat.h>
+#include "picvue.h"
+#include "prom.h"
+
+static void lasat_machine_restart(char *command);
+static void lasat_machine_halt(void);
+
+/* Used to set machine to boot in service mode via /proc interface */
+int lasat_boot_to_service = 0;
+
+static void lasat_machine_restart(char *command)
+{
+	local_irq_disable();
+
+	if (lasat_boot_to_service) {
+		printk("machine_restart: Rebooting to service mode\n");
+		*(volatile unsigned int *)0xa0000024 = 0xdeadbeef;
+		*(volatile unsigned int *)0xa00000fc = 0xfedeabba;
+	}
+	*lasat_misc->reset_reg = 0xbedead;
+	for (;;) ;
+}
+
+#define MESSAGE "System halted"
+static void lasat_machine_halt(void)
+{
+	local_irq_disable();
+
+	/* Disable interrupts and loop forever */
+	printk(KERN_NOTICE MESSAGE "\n");
+#ifdef CONFIG_PICVUE
+	pvc_clear();
+	pvc_write_string(MESSAGE, 0, 0);
+#endif
+	prom_monitor();
+	for (;;) ;
+}
+
+void lasat_reboot_setup(void)
+{
+	_machine_restart = lasat_machine_restart;
+	_machine_halt = lasat_machine_halt;
+	_machine_power_off = lasat_machine_halt;
+}