Hi

This is not a complete patch, please clean the code and send the full patch.

Thanks,

- KEver

On 2022/7/27 08:05, h3lmut wrote:

The NanoPi R4S 1GB version (rk3399) doesnt boot up with current u-boot. Armbian team has done some patches which will work with both versions (1GB and 4GB)

Github Pr: https://github.com/anaelorlinski/OpenWrt-NanoPi-R2S-R4S-Builds/commit/9d8360...

From 1bc90230df5cd55513268f2f7a43abdbad1161b5 Mon Sep 17 00:00:00 2001 From: hmz007 hmz007@gmail.com Date: Sat, 19 Dec 2020 19:39:14 +0800 Subject: [PATCH 3/4] ram: rk3399: Add support for multiple DDR types

Move rockchip,sdram-params to named subnode to include multiple sdram parameters, and then read the parameters (by subnode name, first subnode or current node) before rk3399_dmc_init().

Signed-off-by: hmz007 hmz007@gmail.com

arch/arm/dts/rk3399-sdram-ddr3-1333.dtsi | 6 ++- arch/arm/dts/rk3399-sdram-ddr3-1600.dtsi | 5 +- arch/arm/dts/rk3399-sdram-ddr3-1866.dtsi | 6 ++- .../arm/dts/rk3399-sdram-lpddr3-2GB-1600.dtsi | 3 ++ .../arm/dts/rk3399-sdram-lpddr3-4GB-1600.dtsi | 3 ++ .../rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi | 3 ++ arch/arm/dts/rk3399-sdram-lpddr4-100.dtsi | 3 ++ drivers/ram/rockchip/sdram_rk3399.c | 49 +++++++++++++++---- 8 files changed, 64 insertions(+), 14 deletions(-)

diff --git a/arch/arm/dts/rk3399-sdram-ddr3-1333.dtsi b/arch/arm/dts/rk3399-sdram-ddr3-1333.dtsi index 7fae249536..dad5b7fbd4 100644 --- a/arch/arm/dts/rk3399-sdram-ddr3-1333.dtsi +++ b/arch/arm/dts/rk3399-sdram-ddr3-1333.dtsi