diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index 40215b9fed..002b7d03a1 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -442,13 +442,13 @@
 #ifdef CONFIG_LPUART
 #define CONFIG_EXTRA_ENV_SETTINGS       \
 	"bootargs=root=/dev/ram0 rw console=ttyLP0,115200\0" \
-	"initrd_high=0xcfffffff\0"      \
-	"fdt_high=0xcfffffff\0"
+	"initrd_high=0xffffffff\0"      \
+	"fdt_high=0xffffffff\0"
 #else
 #define CONFIG_EXTRA_ENV_SETTINGS	\
 	"bootargs=root=/dev/ram0 rw console=ttyS0,115200\0" \
-	"initrd_high=0xcfffffff\0"      \
-	"fdt_high=0xcfffffff\0"
+	"initrd_high=0xffffffff\0"      \
+	"fdt_high=0xffffffff\0"
 #endif
 
 /*