diff --git a/config/boards/nanopineo2.conf b/config/boards/nanopineo2.conf
index a6c1018ac..e09aa9d40 100644
--- a/config/boards/nanopineo2.conf
+++ b/config/boards/nanopineo2.conf
@@ -5,7 +5,7 @@ BOOTCONFIG="nanopi_neo2_defconfig"
 MODULES=""
 MODULES_NEXT=""
 CPUMIN="480000"
-CPUMAX="1008000"
+CPUMAX="912000"
 BUILD_DESKTOP="no"
 #
 CLI_TARGET=""
diff --git a/patch/u-boot/u-boot-sun50i-dev/add-nanopineo2.patch b/patch/u-boot/u-boot-sun50i-dev/add-nanopineo2.patch
index 9a4ea068f..1860f7267 100644
--- a/patch/u-boot/u-boot-sun50i-dev/add-nanopineo2.patch
+++ b/patch/u-boot/u-boot-sun50i-dev/add-nanopineo2.patch
@@ -3,7 +3,7 @@ new file mode 100644
 index 0000000..6e550c8
 --- /dev/null
 +++ b/u-boot/configs/nanopi_neo2_defconfig
-@@ -0,0 +1,14 @@
+@@ -0,0 +1,15 @@
 +CONFIG_ARM=y
 +CONFIG_ARCH_SUNXI=y
 +CONFIG_MACH_SUN50I_H5_64=y
@@ -18,3 +18,4 @@ index 0000000..6e550c8
 +# CONFIG_CMD_FPGA is not set
 +CONFIG_SUN8I_EMAC=y
 +CONFIG_USB_EHCI_HCD=y
++CONFIG_SYS_CLK_FREQ=912000000