diff --git a/arch/arm/include/asm/arch-tegra/fuse.h b/arch/arm/include/asm/arch-tegra/fuse.h
index 5b8e0bd..f3f2ad8 100644
--- a/arch/arm/include/asm/arch-tegra/fuse.h
+++ b/arch/arm/include/asm/arch-tegra/fuse.h
@@ -19,4 +19,11 @@
 	u32 security_mode;		/* 0x1A0: FUSE_SECURITY_MODE */
 };
 
+/**
+ * Calculate SoC UID
+ *
+ * Return: uid if ok, 0 on error
+ */
+unsigned long long tegra_chip_uid(void);
+
 #endif	/* ifndef _FUSE_H_ */