diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
index d7cf74722b2..7f8bb05c545 100644
--- a/scripts/dtc/libfdt/libfdt.h
+++ b/scripts/dtc/libfdt/libfdt.h
@@ -140,12 +140,7 @@ static inline uint16_t fdt16_ld(const fdt16_t *p)
 
 static inline uint32_t fdt32_ld(const fdt32_t *p)
 {
-	const uint8_t *bp = (const uint8_t *)p;
-
-	return ((uint32_t)bp[0] << 24)
-		| ((uint32_t)bp[1] << 16)
-		| ((uint32_t)bp[2] << 8)
-		| bp[3];
+	return fdt32_to_cpu(*p);
 }
 
 static inline void fdt32_st(void *property, uint32_t value)
@@ -160,16 +155,7 @@ static inline void fdt32_st(void *property, uint32_t value)
 
 static inline uint64_t fdt64_ld(const fdt64_t *p)
 {
-	const uint8_t *bp = (const uint8_t *)p;
-
-	return ((uint64_t)bp[0] << 56)
-		| ((uint64_t)bp[1] << 48)
-		| ((uint64_t)bp[2] << 40)
-		| ((uint64_t)bp[3] << 32)
-		| ((uint64_t)bp[4] << 24)
-		| ((uint64_t)bp[5] << 16)
-		| ((uint64_t)bp[6] << 8)
-		| bp[7];
+	return fdt64_to_cpu(*p);
 }
 
 static inline void fdt64_st(void *property, uint64_t value)