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 {