v4.19.13 snapshot.
diff --git a/arch/mips/loongson64/common/setup.c b/arch/mips/loongson64/common/setup.c
new file mode 100644
index 0000000..3323876
--- /dev/null
+++ b/arch/mips/loongson64/common/setup.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ *
+ *  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.
+ */
+#include <linux/export.h>
+#include <linux/init.h>
+
+#include <asm/wbflush.h>
+#include <asm/bootinfo.h>
+
+#include <loongson.h>
+
+#ifdef CONFIG_VT
+#include <linux/console.h>
+#include <linux/screen_info.h>
+#endif
+
+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)
+{
+#ifdef CONFIG_VT
+#if defined(CONFIG_VGA_CONSOLE)
+	conswitchp = &vga_con;
+
+	screen_info = (struct screen_info) {
+		.orig_x			= 0,
+		.orig_y			= 25,
+		.orig_video_cols	= 80,
+		.orig_video_lines	= 25,
+		.orig_video_isVGA	= VIDEO_TYPE_VGAC,
+		.orig_video_points	= 16,
+	};
+#elif defined(CONFIG_DUMMY_CONSOLE)
+	conswitchp = &dummy_con;
+#endif
+#endif
+}