Merge branch 'devel-stable' into devel

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/mips/wrppmc/reset.c b/arch/mips/wrppmc/reset.c
new file mode 100644
index 000000000000..cc5474b24f06
--- /dev/null
+++ b/arch/mips/wrppmc/reset.c
@@ -0,0 +1,40 @@
+/*
+ * 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/irqflags.h>
+#include <linux/kernel.h>
+
+#include <asm/cacheflush.h>
+#include <asm/mipsregs.h>
+#include <asm/processor.h>
+
+void wrppmc_machine_restart(char *command)
+{
+	/*
+	 * 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.
+	 */
+	local_irq_disable();
+	set_c0_status(ST0_BEV | 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 wrppmc_machine_halt(void)
+{
+	local_irq_disable();
+
+	printk(KERN_NOTICE "You can safely turn off the power\n");
+	while (1) {
+		if (cpu_wait)
+			cpu_wait();
+	}
+}