From 081a51c937952b91957873badafa11ad2a025315 Mon Sep 17 00:00:00 2001
From: Andy Yan <andy.yan@rock-chips.com>
Date: Tue, 26 Nov 2019 21:15:38 +0800
Subject: [PATCH] rockchip: rk3308: enable spl-fifo-mode for emmc
We need load some parts of ATF to sram, but rockchip
dwmmc controllers can't do dma to non-ddr addresses
space, so set the mmc controller into fifo mode in spl.
And show my best respect to Heiko's work for this solution.
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---
arch/arm/dts/rk3308-u-boot.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/dts/rk3308-u-boot.dtsi b/arch/arm/dts/rk3308-u-boot.dtsi
index 1a68decef3..f5a595337e 100644
--- a/arch/arm/dts/rk3308-u-boot.dtsi
+++ b/arch/arm/dts/rk3308-u-boot.dtsi
@@ -12,6 +12,8 @@
};
&emmc {
+ /* mmc to sram can't do dma, prevent aborts transferring TF-A parts */
+ u-boot,spl-fifo-mode;
u-boot,dm-pre-reloc;
};
--
2.39.5