diff --git a/configs/ls1021aiot_qspi_defconfig b/configs/ls1021aiot_qspi_defconfig
index b39c890..f27194e 100644
--- a/configs/ls1021aiot_qspi_defconfig
+++ b/configs/ls1021aiot_qspi_defconfig
@@ -2,6 +2,7 @@
 CONFIG_TARGET_LS1021AIOT=y
 CONFIG_SYS_TEXT_BASE=0x40010000
 CONFIG_DEFAULT_DEVICE_TREE="ls1021a-iot-duart"
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_SYS_EXTRA_OPTIONS="QSPI_BOOT"
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_CMD_BOOTZ=y