Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 59 insertions, 0 deletions

diff --git a/arch/mips/loongson64/reset.c b/arch/mips/loongson64/reset.c
new file mode 100644
index 000000000..3bb8a1ed9
--- /dev/null
+++ b/arch/mips/loongson64/reset.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *
+ * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ * Copyright (C) 2009 Lemote, Inc.
+ * Author: Zhangjin Wu, wuzhangjin@gmail.com
+ */
+#include <linux/init.h>
+#include <linux/pm.h>
+
+#include <asm/idle.h>
+#include <asm/reboot.h>
+
+#include <loongson.h>
+#include <boot_param.h>
+
+static void loongson_restart(char *command)
+{
+
+        void (*fw_restart)(void) = (void *)loongson_sysconf.restart_addr;
+
+        fw_restart();
+        while (1) {
+                if (cpu_wait)
+                        cpu_wait();
+        }
+}
+
+static void loongson_poweroff(void)
+{
+        void (*fw_poweroff)(void) = (void *)loongson_sysconf.poweroff_addr;
+
+        fw_poweroff();
+        while (1) {
+                if (cpu_wait)
+                        cpu_wait();
+        }
+}
+
+static void loongson_halt(void)
+{
+        pr_notice("\n\n** You can safely turn off the power now **\n\n");
+        while (1) {
+                if (cpu_wait)
+                        cpu_wait();
+        }
+}
+
+static int __init mips_reboot_setup(void)
+{
+        _machine_restart = loongson_restart;
+        _machine_halt = loongson_halt;
+        pm_power_off = loongson_poweroff;
+
+        return 0;
+}
+
+arch_initcall(mips_reboot_setup);