--- linux-4.9.37/drivers/power/reset/goke-reboot.c	1970-01-01 03:00:00.000000000 +0300
+++ linux-4.9.y/drivers/power/reset/goke-reboot.c	2021-06-07 13:01:34.000000000 +0300
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) Hunan Goke,Chengdu Goke,Shandong Goke. 2021. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/reboot.h>
+
+#include <asm/proc-fns.h>
+
+static void __iomem *base;
+static u32 reboot_offset;
+
+static int bsp_restart_handler(struct notifier_block *this,
+				unsigned long mode, void *cmd)
+{
+	writel_relaxed(0xdeadbeef, base + reboot_offset);
+
+	while (1)
+		cpu_do_idle();
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block bsp_restart_nb = {
+	.notifier_call = bsp_restart_handler,
+	.priority = 128,
+};
+
+static int bsp_reboot_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	int err;
+
+	base = of_iomap(np, 0);
+	if (!base) {
+		WARN(1, "failed to map base address");
+		return -ENODEV;
+	}
+
+	if (of_property_read_u32(np, "reboot-offset", &reboot_offset) < 0) {
+		pr_err("failed to find reboot-offset property\n");
+		iounmap(base);
+		return -EINVAL;
+	}
+
+	err = register_restart_handler(&bsp_restart_nb);
+	if (err) {
+		dev_err(&pdev->dev, "cannot register restart handler (err=%d)\n",
+			err);
+		iounmap(base);
+	}
+
+	return err;
+}
+
+static const struct of_device_id bsp_reboot_of_match[] = {
+	{ .compatible = "goke,sysctrl" },
+	{}
+};
+
+static struct platform_driver bsp_reboot_driver = {
+	.probe = bsp_reboot_probe,
+	.driver = {
+		.name = "goke-reboot",
+		.of_match_table = bsp_reboot_of_match,
+	},
+};
+module_platform_driver(bsp_reboot_driver);