diff --git a/src/soc/intel/xeon_sp/cpx/Kconfig b/src/soc/intel/xeon_sp/cpx/Kconfig
index 88b0d5d651..92681f2767 100644
--- a/src/soc/intel/xeon_sp/cpx/Kconfig
+++ b/src/soc/intel/xeon_sp/cpx/Kconfig
@@ -28,7 +28,7 @@ config MAX_SOCKET
 
 config MAX_CPUS
 	int
-	default 80
+	default 255
 
 config PCR_BASE_ADDRESS
 	hex