Hi Kever,
Any chance you will be adding higher DDR4 speeds like 800/933/1066/1200? 333MHz is kind of limiting. We are trying to switch to upstream u-boot for ROC-RK3328-CC and ROC-RK3399-PC.
Best, Da
On Tue, Jan 7, 2020 at 2:16 AM Kever Yang kever.yang@rock-chips.com wrote:
From: YouMin Chen cym@rock-chips.com
Add rk3328-sdram-ddr4-666.dtsi for support ddr4 init.
Signed-off-by: YouMin Chen cym@rock-chips.com Signed-off-by: Kever Yang kever.yang@rock-chips.com
arch/arm/dts/rk3328-sdram-ddr4-666.dtsi | 216 ++++++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 arch/arm/dts/rk3328-sdram-ddr4-666.dtsi
diff --git a/arch/arm/dts/rk3328-sdram-ddr4-666.dtsi b/arch/arm/dts/rk3328-sdram-ddr4-666.dtsi new file mode 100644 index 0000000000..0859649a69 --- /dev/null +++ b/arch/arm/dts/rk3328-sdram-ddr4-666.dtsi @@ -0,0 +1,216 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +// Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd.
+&dmc {
rockchip,sdram-params = <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>;+};
2.17.1