1 files changed, 19 insertions, 0 deletions
diff --git a/roms/u-boot/lib/tables_csum.c b/roms/u-boot/lib/tables_csum.c
new file mode 100644
index 000000000..e2630d57d
--- /dev/null
+++ b/roms/u-boot/lib/tables_csum.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <common.h>
+#include <linux/ctype.h>
+
+u8 table_compute_checksum(void *v, int len)
+{
+	u8 *bytes = v;
+	u8 checksum = 0;
+	int i;
+
+	for (i = 0; i < len; i++)
+		checksum -= bytes[i];
+
+	return checksum;
+}