diff --git a/arch/arm/dts/rk3399-u-boot.dtsi b/arch/arm/dts/rk3399-u-boot.dtsi
index 9bb130a..22017ec 100644
--- a/arch/arm/dts/rk3399-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-u-boot.dtsi
@@ -91,6 +91,9 @@
 
 &sdmmc {
 	u-boot,dm-pre-reloc;
+
+	/* mmc to sram can't do dma, prevent aborts transferring TF-A parts */
+	u-boot,spl-fifo-mode;
 };
 
 &spi1 {