diff --git a/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
index 3db5d14..7ead9b6 100644
--- a/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2500/recipes-kernel/linux/linux-obmc/defconfig
@@ -156,6 +156,7 @@
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_FSI=y
 CONFIG_FSI_MASTER_GPIO=y
+CONFIG_FSI_SBEFIFO=y
 CONFIG_FSI_SCOM=y
 CONFIG_FSI_I2C=y
 CONFIG_FIRMWARE_MEMMAP=y