package/boot/uboot-rockchip/patches/105-nanopc-t4-fix-memory-unstability.patch

   1 From 445502bc21ecf1b5120faee785cea578b810c759 Mon Sep 17 00:00:00 2001
   2 From: Lu jicong <jiconglu58@gmail.com>
   3 Date: Wed, 5 Jul 2023 17:13:55 +0800
   4 Subject: [PATCH] rockchip: rk3399: nanopc-t4: use 1600MHz sdram config
   5
   6 Current 1866MHz sdram config is too high for NanoPC-T4.
   7 On this frequency, its lpddr3 sdram becomes unstable,
   8 causing memtest failures and random kernel crashes.
   9
  10 Signed-off-by: Lu jicong <jiconglu58@gmail.com>
  11 ---
  12  arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi | 2 +-
  13  1 file changed, 1 insertion(+), 1 deletion(-)
  14
  15 diff --git a/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi b/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi
  16 index 17201bcf41..8b6c9059ab 100644
  17 --- a/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi
  18 +++ b/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi
  19 @@ -4,4 +4,4 @@
  20   */
  21
  22  #include "rk3399-nanopi4-u-boot.dtsi"
  23 -#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi"
  24 +#include "rk3399-sdram-lpddr3-4GB-1600.dtsi"