[PATCH] rockchip: rk3399: enable spl-fifo-mode for sdmmc

[Deepak Das <deepakdas.linux@gmail.com>]

adapting commit fa2047c47310 ("rockchip: rk3328: enable spl-fifo-mode
for emmc and sdmmc") for rk3399.
Since mmc to sram can't do dma, add patch to prevent aborts transferring
TF-A parts.

Signed-off-by: Deepak Das <deepakdas.linux@gmail.com>
---
 arch/arm/dts/rk3399-u-boot.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/dts/rk3399-u-boot.dtsi b/arch/arm/dts/rk3399-u-boot.dtsi
index 8b857ccfc7..3ad824450e 100644
--- a/arch/arm/dts/rk3399-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-u-boot.dtsi
@@ -84,6 +84,9 @@
 
 &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 {
-- 
2.17.1