Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/arch/mips/loongson2ef/common/setup.c b/arch/mips/loongson2ef/common/setup.c
new file mode 100644
index 0000000000..4fd27f4f90
--- /dev/null
+++ b/arch/mips/loongson2ef/common/setup.c
@@ -0,0 +1,30 @@
+// 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 <loongson.h>
+
+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)
+{
+}