diff --git a/arch/arm/include/asm/arch-imx8m/ddr.h b/arch/arm/include/asm/arch-imx8m/ddr.h
index 04c9c96..0f1e832 100644
--- a/arch/arm/include/asm/arch-imx8m/ddr.h
+++ b/arch/arm/include/asm/arch-imx8m/ddr.h
@@ -721,6 +721,9 @@
 void ddrphy_init_set_dfi_clk(unsigned int drate);
 void ddrphy_init_read_msg_block(enum fw_type type);
 
+void update_umctl2_rank_space_setting(unsigned int pstat_num);
+void get_trained_CDD(unsigned int fsp);
+
 static inline void reg32_write(unsigned long addr, u32 val)
 {
 	writel(val, addr);