[MIPS] New files for lemote fulong mini-PC support

Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Songmao Tian <tiansm@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/mips/lemote/lm2e/reset.c b/arch/mips/lemote/lm2e/reset.c
new file mode 100644
index 000000000000..099387a3827a
--- /dev/null
+++ b/arch/mips/lemote/lm2e/reset.c
@@ -0,0 +1,41 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ */
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+
+static void loongson2e_restart(char *command)
+{
+#ifdef CONFIG_32BIT
+        *(unsigned long *)0xbfe00104 &= ~(1 << 2);
+        *(unsigned long *)0xbfe00104 |= (1 << 2);
+#else
+        *(unsigned long *)0xffffffffbfe00104 &= ~(1 << 2);
+        *(unsigned long *)0xffffffffbfe00104 |= (1 << 2);
+#endif
+        __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
+}
+
+static void loongson2e_halt(void)
+{
+        while (1) ;
+}
+
+static void loongson2e_power_off(void)
+{
+        loongson2e_halt();
+}
+
+void mips_reboot_setup(void)
+{
+        _machine_restart = loongson2e_restart;
+        _machine_halt = loongson2e_halt;
+        pm_power_off = loongson2e_power_off;
+}