diff --git a/configs/tbs2910_defconfig b/configs/tbs2910_defconfig
index fc15dcf..78beb9a 100644
--- a/configs/tbs2910_defconfig
+++ b/configs/tbs2910_defconfig
@@ -9,6 +9,7 @@
 CONFIG_PRE_CONSOLE_BUFFER=y
 CONFIG_PRE_CON_BUF_ADDR=0x7c000000
 CONFIG_SUPPORT_RAW_INITRD=y
+CONFIG_BOUNCE_BUFFER=y
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="Matrix U-Boot> "