From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/mips/wrppmc/reset.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 arch/mips/wrppmc/reset.c

(limited to 'arch/mips/wrppmc/reset.c')

diff --git a/arch/mips/wrppmc/reset.c b/arch/mips/wrppmc/reset.c
new file mode 100644
index 00000000..80beb188
--- /dev/null
+++ b/arch/mips/wrppmc/reset.c
@@ -0,0 +1,41 @@
+/*
+ * 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/idle.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();
+	}
+}
-- 
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