diff --git a/src/mainboard/starlabs/adl/include/variants.h b/src/mainboard/starlabs/adl/include/variants.h
index c95d15bd72..536ac891ae 100644
--- a/src/mainboard/starlabs/adl/include/variants.h
+++ b/src/mainboard/starlabs/adl/include/variants.h
@@ -3,6 +3,7 @@
 #ifndef _BASEBOARD_VARIANTS_H_
 #define _BASEBOARD_VARIANTS_H_
 
+#include <device/device.h>
 #include <soc/gpio.h>
 
 /*
@@ -14,4 +15,6 @@ const struct pad_config *variant_early_gpio_table(size_t *num);
 
 void devtree_update(void);
 
+void starlabs_adl_mainboard_fill_ssdt(const struct device *dev);
+
 #endif /* _BASEBOARD_VARIANTS_H_ */
diff --git a/src/mainboard/starlabs/adl/mainboard.c b/src/mainboard/starlabs/adl/mainboard.c
index 8a3dadbc48..f8c9aea3ae 100644
--- a/src/mainboard/starlabs/adl/mainboard.c
+++ b/src/mainboard/starlabs/adl/mainboard.c
@@ -1,14 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#if CONFIG(BOARD_STARLABS_LITE_ADL)
-#include <acpi/acpigen_ps2_keybd.h>
-#include <commonlib/helpers.h>
-#endif
-
 #include <device/device.h>
 #include <drivers/intel/gma/opregion.h>
 #include <soc/ramstage.h>
-#include <option.h>
 #include <variants.h>
 
 static void init_mainboard(void *chip_info)
@@ -22,21 +16,14 @@ static void init_mainboard(void *chip_info)
 	devtree_update();
 }
 
-#if CONFIG(BOARD_STARLABS_LITE_ADL)
-static void mainboard_fill_ssdt(const struct device *dev)
+void __weak starlabs_adl_mainboard_fill_ssdt(const struct device *dev)
 {
-	enum ps2_action_key ps2_action_keys[2] = {PS2_KEY_VOL_DOWN, PS2_KEY_VOL_UP};
-
-	acpigen_ps2_keyboard_dsd("_SB.PCI0.PS2K", ARRAY_SIZE(ps2_action_keys), ps2_action_keys,
-				 false, false, false, false, false);
+	(void)dev;
 }
-#endif
 
 static void enable_mainboard(struct device *dev)
 {
-#if CONFIG(BOARD_STARLABS_LITE_ADL)
-	dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt;
-#endif
+	dev->ops->acpi_fill_ssdt = starlabs_adl_mainboard_fill_ssdt;
 }
 
 struct chip_operations mainboard_ops = {
diff --git a/src/mainboard/starlabs/adl/variants/i5/Makefile.mk b/src/mainboard/starlabs/adl/variants/i5/Makefile.mk
index bfea7ef255..d6e2d5b29d 100644
--- a/src/mainboard/starlabs/adl/variants/i5/Makefile.mk
+++ b/src/mainboard/starlabs/adl/variants/i5/Makefile.mk
@@ -7,6 +7,7 @@ romstage-y += romstage.c
 ramstage-y += devtree.c
 ramstage-y += gpio.c
 ramstage-y += hda_verb.c
+ramstage-y += mainboard_ssdt.c
 ramstage-y += ramstage.c
 
 $(call add_vbt_to_cbfs, vbt_native_res.bin, data_native_res.vbt)
diff --git a/src/mainboard/starlabs/adl/variants/i5/mainboard_ssdt.c b/src/mainboard/starlabs/adl/variants/i5/mainboard_ssdt.c
new file mode 100644
index 0000000000..a58becd7f6
--- /dev/null
+++ b/src/mainboard/starlabs/adl/variants/i5/mainboard_ssdt.c
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpigen_ps2_keybd.h>
+#include <commonlib/helpers.h>
+#include <device/device.h>
+#include <variants.h>
+
+void starlabs_adl_mainboard_fill_ssdt(const struct device *dev)
+{
+	enum ps2_action_key ps2_action_keys[2] = { PS2_KEY_VOL_DOWN, PS2_KEY_VOL_UP };
+
+	(void)dev;
+
+	acpigen_ps2_keyboard_dsd("_SB.PCI0.PS2K", ARRAY_SIZE(ps2_action_keys), ps2_action_keys,
+				 false, false, false, false, false);
+}