diff --git a/boards/pine64-rock64/default.nix b/boards/pine64-rock64/default.nix
index eeee3198..159fc918 100644
--- a/boards/pine64-rock64/default.nix
+++ b/boards/pine64-rock64/default.nix
@@ -1,4 +1,4 @@
-{
+{ pkgs, ...}: {
   device = {
     manufacturer = "PINE64";
     name = "ROCK64";
@@ -13,7 +13,11 @@
 
   Tow-Boot = {
     defconfig = "rock64-rk3328_defconfig";
-    uBootVersion = "2024.10";
     buildUBoot = true;
+    uBootVersion = "2025.01";
+    src = (pkgs.fetchurl {
+          url = "https://ftp.denx.de/pub/u-boot/u-boot-2025.04-rc2.tar.bz2";
+          sha256 = "e54102f17328397d5d63b00865e9108d5806d18018509fc24ce6e7e3fe6a12f1";
+        });
   };
 }
diff --git a/modules/hardware/rockchip/default.nix b/modules/hardware/rockchip/default.nix
index feb79260..323864b8 100644
--- a/modules/hardware/rockchip/default.nix
+++ b/modules/hardware/rockchip/default.nix
@@ -145,7 +145,7 @@ in
             DISPLAY = yes;
             VIDEO_ROCKCHIP = yes;
             DISPLAY_ROCKCHIP_HDMI = yes;
-            PHY_ROCKCHIP_INNO_HDMI = yes;
+            #PHY_ROCKCHIP_INNO_HDMI = yes;
             BOOTSTD = lib.mkForce yes;
             BOOTSTD_DEFAULTS = lib.mkForce  yes;
             DISTRO_DEFAULTS = lib.mkForce  no;
@@ -172,6 +172,10 @@ in
 
     (mkIf cfg.rockchip-rk3328.enable {
       Tow-Boot.builder.additionalArguments.BL31 = "${pkgs.Tow-Boot.armTrustedFirmwareRK3328}/bl31.elf";
+      Tow-Boot.builder.postPatch = ''
+        substituteInPlace arch/arm/dts/rk3328-rock64-u-boot.dtsi \
+        --replace rk3328-sdram-lpddr3-1600.dtsi rk3328-sdram-lpddr3-666.dtsi
+      '';
     })
 
     (mkIf cfg.rockchip-rk3399.enable {