patch-2.4.19 linux-2.4.19/arch/mips/galileo-boards/ev64120/reset.c

• Lines: 46
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/galileo-boards/ev64120/reset.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/galileo-boards/ev64120/reset.c linux-2.4.19/arch/mips/galileo-boards/ev64120/reset.c
@@ -0,0 +1,45 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1997 Ralf Baechle
+ */
+#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 galileo_machine_restart(char *command)
+{
+	*(volatile char *) 0xbc000000 = 0x0f;
+	/*
+	 * Ouch, we're still alive ... This time we take the silver bullet ...
+	 * ... and find that we leave the hardware in a state in which the
+	 * kernel in the flush locks up somewhen during of after the PCI
+	 * detection stuff.
+	 */
+	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));
+}
+
+void galileo_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 galileo_machine_power_off(void)
+{
+	galileo_machine_halt();
+}