diff --git a/src/mainboard/siemens/mc_ehl/Kconfig b/src/mainboard/siemens/mc_ehl/Kconfig
index 63b153b23c..035bc8584d 100644
--- a/src/mainboard/siemens/mc_ehl/Kconfig
+++ b/src/mainboard/siemens/mc_ehl/Kconfig
@@ -1,7 +1,7 @@
 config BOARD_SIEMENS_BASEBOARD_MC_EHL
 	def_bool n
 	select SOC_INTEL_ELKHARTLAKE
-	select BOARD_ROMSIZE_KB_32768
+	select BOARD_ROMSIZE_KB_16384
 	select DRIVERS_I2C_GENERIC
 	select HAVE_SPD_IN_CBFS
 	select HAVE_ACPI_TABLES
diff --git a/src/mainboard/siemens/mc_ehl/mc_ehl.fmd b/src/mainboard/siemens/mc_ehl/mc_ehl.fmd
new file mode 100644
index 0000000000..78faf2b107
--- /dev/null
+++ b/src/mainboard/siemens/mc_ehl/mc_ehl.fmd
@@ -0,0 +1,11 @@
+FLASH @0xff000000 CONFIG_ROM_SIZE {
+	SI_ALL 0x400000 {
+		SI_DESC 0x1000
+		SI_ME 0x3ff000
+	}
+	SI_BIOS 0xc00000 {
+		FMAP 0x200
+		RW_MRC_CACHE 0x10000
+		COREBOOT(CBFS)
+	}
+}
diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Kconfig b/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Kconfig
new file mode 100644
index 0000000000..b6e2b332ab
--- /dev/null
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl1/Kconfig
@@ -0,0 +1,7 @@
+if BOARD_SIEMENS_MC_EHL1
+
+config FMDFILE
+	string
+	default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/mc_ehl.fmd"
+
+endif # BOARD_SIEMENS_MC_EHL1