diff --git a/lib/extensions/brbe/brbe.c b/lib/extensions/brbe/brbe.c
new file mode 100644
index 0000000..6975b04
--- /dev/null
+++ b/lib/extensions/brbe/brbe.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+
+static bool brbe_supported(void)
+{
+	uint64_t features;
+
+	features = read_id_aa64dfr0_el1() >> ID_AA64DFR0_BRBE_SHIFT;
+	return ((features & ID_AA64DFR0_BRBE_MASK) ==
+		ID_AA64DFR0_BRBE_SUPPORTED);
+}
+
+void brbe_enable(void)
+{
+	uint64_t val;
+
+	if (brbe_supported()) {
+		/*
+		 * MDCR_EL3.SBRBE = 0b01
+		 *
+		 * Allows BRBE usage in non-secure world and prohibited in
+		 * secure world.
+		 */
+		val = read_mdcr_el3();
+		val &= ~(MDCR_SBRBE_MASK << MDCR_SBRBE_SHIFT);
+		val |= (0x1UL << MDCR_SBRBE_SHIFT);
+		write_mdcr_el3(val);
+	}
+}