diff --git a/arch/arm/dts/rk3399-u-boot.dtsi b/arch/arm/dts/rk3399-u-boot.dtsi
index e677ae6..3423b88 100644
--- a/arch/arm/dts/rk3399-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-u-boot.dtsi
@@ -120,6 +120,7 @@
 &sdhci {
 	max-frequency = <200000000>;
 	bootph-all;
+	u-boot,spl-fifo-mode;
 };
 
 &sdmmc {
diff --git a/arch/arm/dts/rk3588s-u-boot.dtsi b/arch/arm/dts/rk3588s-u-boot.dtsi
index cd7e6cb..922cae3 100644
--- a/arch/arm/dts/rk3588s-u-boot.dtsi
+++ b/arch/arm/dts/rk3588s-u-boot.dtsi
@@ -153,6 +153,7 @@
 
 &sdhci {
 	bootph-pre-ram;
+	u-boot,spl-fifo-mode;
 };
 
 &uart2 {