diff --git a/configs/bitmain_antminer_s9_defconfig b/configs/bitmain_antminer_s9_defconfig
index 4cd6a7c..ffeee33 100644
--- a/configs/bitmain_antminer_s9_defconfig
+++ b/configs/bitmain_antminer_s9_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_BOARD="antminer_s9"
 CONFIG_SYS_CONFIG_NAME="bitmain_antminer_s9"
 CONFIG_SPL_SYS_DCACHE_OFF=y
+CONFIG_SYS_L2CACHE_OFF=y
 CONFIG_ARCH_ZYNQ=y
 CONFIG_SYS_TEXT_BASE=0x4000000
 CONFIG_ENV_OFFSET=0x300000