On 2019/11/26 下午9:15, Andy Yan wrote:
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....@rock-chips.com>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>
Thanks,
- Kever
---
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;
};
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