1 files changed, 46 insertions, 0 deletions

diff --git a/arch/mips/loongson64/setup.c b/arch/mips/loongson64/setup.c
new file mode 100644
index 000000000..6fe3ffffc
--- /dev/null
+++ b/arch/mips/loongson64/setup.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ */
+#include <linux/export.h>
+#include <linux/init.h>
+
+#include <asm/wbflush.h>
+#include <asm/bootinfo.h>
+#include <linux/libfdt.h>
+#include <linux/of_fdt.h>
+
+#include <asm/prom.h>
+
+#include <loongson.h>
+
+void *loongson_fdt_blob;
+
+static void wbflush_loongson(void)
+{
+        asm(".set\tpush\n\t"
+            ".set\tnoreorder\n\t"
+            ".set mips3\n\t"
+            "sync\n\t"
+            "nop\n\t"
+            ".set\tpop\n\t"
+            ".set mips0\n\t");
+}
+
+void (*__wbflush)(void) = wbflush_loongson;
+EXPORT_SYMBOL(__wbflush);
+
+void __init plat_mem_setup(void)
+{
+        if (loongson_fdt_blob)
+                __dt_setup_arch(loongson_fdt_blob);
+}
+
+void __init device_tree_init(void)
+{
+        if (!initial_boot_params)
+                return;
+
+        unflatten_and_copy_device_tree();
+}