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Diffstat (limited to 'arch/mips/loongson/fuloong-2e/reset.c')
-rw-r--r--arch/mips/loongson/fuloong-2e/reset.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/loongson/fuloong-2e/reset.c b/arch/mips/loongson/fuloong-2e/reset.c
new file mode 100644
index 000000000000..c21299af7f64
--- /dev/null
+++ b/arch/mips/loongson/fuloong-2e/reset.c
@@ -0,0 +1,44 @@
+/*
+ * 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
+ * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology
+ * Author: Zhangjin Wu, wuzj@lemote.com
+ */
+#include <linux/init.h>
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+
+#include <loongson.h>
+
+static void loongson2e_restart(char *command)
+{
+ /* do preparation for reboot */
+ BONITO_BONGENCFG &= ~(1 << 2);
+ BONITO_BONGENCFG |= (1 << 2);
+
+ /* reboot via jumping to boot base address */
+ ((void (*)(void))ioremap_nocache(BONITO_BOOT_BASE, 4)) ();
+}
+
+static void loongson2e_halt(void)
+{
+ while (1)
+ ;
+}
+
+static int __init mips_reboot_setup(void)
+{
+ _machine_restart = loongson2e_restart;
+ _machine_halt = loongson2e_halt;
+ pm_power_off = loongson2e_halt;
+
+ return 0;
+}
+
+arch_initcall(mips_reboot_setup);