diff --git a/src/soc/mediatek/mt8192/include/soc/mt6315.h b/src/soc/mediatek/mt8192/include/soc/mt6315.h
index 4d179bed68..a243e3f761 100644
--- a/src/soc/mediatek/mt8192/include/soc/mt6315.h
+++ b/src/soc/mediatek/mt8192/include/soc/mt6315.h
@@ -35,6 +35,7 @@ enum {
 };
 
 void mt6315_init(void);
+void mt6315_romstage_init(void);
 void mt6315_buck_set_voltage(u32 slvid, u32 buck_id, u32 buck_uv);
 u32 mt6315_buck_get_voltage(u32 slvid, u32 buck_id);
 #endif /* __SOC_MEDIATEK_MT6315_H__ */
diff --git a/src/soc/mediatek/mt8192/mt6315.c b/src/soc/mediatek/mt8192/mt6315.c
index 9752e3dfcb..76534953e3 100644
--- a/src/soc/mediatek/mt8192/mt6315.c
+++ b/src/soc/mediatek/mt8192/mt6315.c
@@ -301,3 +301,8 @@ void mt6315_init(void)
 	mt6315_wdt_enable(MT6315_GPU);
 	mt6315_init_setting();
 }
+
+void mt6315_romstage_init(void)
+{
+	init_pmif_arb();
+}