From: Herman Rimm <herman@rimm.me>
Date: Sun, 2 Jul 2023 13:43:18 +0200
Subject: [PATCH] Configure the Nano Pi R4S with DDR3.

---
This patch should be removed once something like this is upstream:
https://github.com/anaelorlinski/OpenWrt-NanoPi-R2S-R4S-Builds/commit/9d836044340ddef53f5d9f1946ac48c946a78284

diff --git a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
index 69800cc368d..a3054849f88 100644
--- a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi
@@ -13,7 +13,7 @@
  */
 
 #include "rk3399-nanopi4-u-boot.dtsi"
-#include "rk3399-sdram-lpddr4-100.dtsi"
+#include "rk3399-sdram-ddr3-1866.dtsi"
 
 / {
 	smbios {
diff --git a/configs/nanopi-r4s-rk3399_defconfig b/configs/nanopi-r4s-rk3399_defconfig
index ada04b46cb1..b39e350bbed 100644
--- a/configs/nanopi-r4s-rk3399_defconfig
+++ b/configs/nanopi-r4s-rk3399_defconfig
@@ -48,7 +48,6 @@ CONFIG_PMIC_RK8XX=y
 CONFIG_SPL_DM_REGULATOR_FIXED=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
-CONFIG_RAM_ROCKCHIP_LPDDR4=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550_MEM32=y