diff --git a/configs/pcduino-a10/nsh/defconfig b/configs/pcduino-a10/nsh/defconfig
index 52c72cfea7a..3e685c4fbea 100644
--- a/configs/pcduino-a10/nsh/defconfig
+++ b/configs/pcduino-a10/nsh/defconfig
@@ -196,6 +196,8 @@ CONFIG_A1X_UART0=y
 # CONFIG_A1X_BOOT_SPINOR is not set
 CONFIG_A1X_BOOT_SDCARD=y
 # CONFIG_A1X_BOOT_USB is not set
+CONFIG_A1X_DDR_MAPOFFSET=0
+CONFIG_A1X_DDR_MAPSIZE=1073741824
 
 #
 # Architecture Options
@@ -263,6 +265,7 @@ CONFIG_NSH_MMCSDMINOR=0
 #
 # CONFIG_BOARD_INITIALIZE is not set
 CONFIG_MSEC_PER_TICK=10
+# CONFIG_SYSTEM_TIME64 is not set
 CONFIG_RR_INTERVAL=200
 # CONFIG_SCHED_INSTRUMENTATION is not set
 CONFIG_TASK_NAME_SIZE=32