diff --git a/configs/tbs2910_defconfig b/configs/tbs2910_defconfig
index 99093e0..b193a4b 100644
--- a/configs/tbs2910_defconfig
+++ b/configs/tbs2910_defconfig
@@ -4,6 +4,7 @@
 CONFIG_SYS_TEXT_BASE=0x17800000
 CONFIG_TARGET_TBS2910=y
 CONFIG_CMD_HDMIDETECT=y
+CONFIG_NR_DRAM_BANKS=1
 CONFIG_FIT=y
 CONFIG_BOOTDELAY=3
 CONFIG_PRE_CONSOLE_BUFFER=y