diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index 5595ff6978..2cdb0d00f6 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -41,6 +41,10 @@
 #define MAX(a,b) ((a) > (b) ? (a) : (b))
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
+#define BIN2HEX(b) ("0123456789abcdef"[b & 15])
+#define HEX2BIN(h) (('0' <= h && h <= '9') ? (h - '0') : \
+                    ('a' <= h && h <= 'f') ? (h - 'a' + 10) : 0)
+
 #define LITTLE_ENDIAN	1234
 #define BIG_ENDIAN	4321
 #ifdef CONFIG_TARGET_I386