diff --git a/src/mainboard/siemens/mc_rpl/Kconfig b/src/mainboard/siemens/mc_rpl/Kconfig
index 66cea4d8c8..ca02e06124 100644
--- a/src/mainboard/siemens/mc_rpl/Kconfig
+++ b/src/mainboard/siemens/mc_rpl/Kconfig
@@ -18,6 +18,8 @@ config BOARD_SIEMENS_BASEBOARD_MC_RPL
 config BOARD_SIEMENS_MC_RPL1
 	select BOARD_SIEMENS_BASEBOARD_MC_RPL
 
+source "src/mainboard/siemens/mc_rpl/variants/*/Kconfig"
+
 if BOARD_SIEMENS_BASEBOARD_MC_RPL
 
 config MAINBOARD_DIR
diff --git a/src/mainboard/siemens/mc_rpl/variants/mc_rpl1/Kconfig b/src/mainboard/siemens/mc_rpl/variants/mc_rpl1/Kconfig
new file mode 100644
index 0000000000..bee8ace103
--- /dev/null
+++ b/src/mainboard/siemens/mc_rpl/variants/mc_rpl1/Kconfig
@@ -0,0 +1,8 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+if BOARD_SIEMENS_MC_RPL1
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+
+endif # BOARD_SIEMENS_MC_RPL1