diff --git a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
index 64f097d..998323c 100644
--- a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
@@ -60,6 +60,8 @@
 CONFIG_MTD_NAND=y
 CONFIG_MTD_UBI=y
 CONFIG_MTD_UBI_GLUEBI=y
+CONFIG_MTD_SPI_NOR=y
+CONFIG_ASPEED_FLASH_SPI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=4
@@ -128,6 +130,7 @@
 CONFIG_SPI=y
 CONFIG_DEBUG_PINCTRL=y
 CONFIG_GPIO_ASPEED=y
+CONFIG_SENSORS_POWER8_OCC_I2C=y
 CONFIG_WATCHDOG=y
 CONFIG_ASPEED_24xx_WATCHDOG=y
 CONFIG_SSB=y
@@ -169,12 +172,15 @@
 CONFIG_EXT4_FS=y
 CONFIG_FANOTIFY=y
 CONFIG_AUTOFS4_FS=y
+CONFIG_OVERLAY_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_SUMMARY=y
+CONFIG_JFFS2_FS_XATTR=y
 CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_XZ=y
 CONFIG_NFS_FS=y
 CONFIG_ROOT_NFS=y
 CONFIG_NLS_CODEPAGE_437=y