--- a/project/cmake/scripts/rbpi/ArchSetup.cmake	2017-09-16 15:00:59.934587072 +0200
+++ b/project/cmake/scripts/rbpi/ArchSetup.cmake	2017-09-16 15:01:34.024450521 +0200
@@ -14,10 +14,14 @@
     set(ARCH arm)
     set(NEON False)
     set(NEON_FLAGS "-mcpu=arm1176jzf-s -mtune=arm1176jzf-s -mfloat-abi=hard -mfpu=vfp")
-  elseif(CPU MATCHES "cortex-a7" OR CPU MATCHES "cortex-a53")
+  elseif(CPU MATCHES "cortex-a7")
     set(ARCH arm)
     set(NEON True)
     set(NEON_FLAGS "-fPIC -mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4 -mvectorize-with-neon-quad")
+  elseif(CPU STREQUAL cortex-a53)
+    set(ARCH arm)
+    set(NEON True)
+    set(NEON_FLAGS "-fPIC -mcpu=cortex-a53 -mfloat-abi=hard -mfpu=crypto-neon-fp-armv8 -march=armv8-a+crc -funsafe-math-optimizations -mvectorize-with-neon-quad")
   else()
     message(SEND_ERROR "Unknown CPU: ${CPU}")
   endif()