diff --git a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
index 3e661aa..fbfc3c7 100644
--- a/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
+++ b/meta-ast2400/recipes-kernel/linux/linux-obmc/defconfig
@@ -1,17 +1,23 @@
-CONFIG_CROSS_COMPILE="arm-linux-"
 CONFIG_KERNEL_XZ=y
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_IRQ_DOMAIN_DEBUG=y
+CONFIG_NO_HZ_IDLE=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CGROUPS=y
 CONFIG_BLK_DEV_INITRD=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_KALLSYMS_ALL=y
+CONFIG_BPF_SYSCALL=y
 CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
+# CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
+CONFIG_SLAB_FREELIST_RANDOM=y
+CONFIG_JUMP_LABEL=y
+CONFIG_CC_STACKPROTECTOR_STRONG=y
 # CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_IOSCHED_DEADLINE is not set
@@ -19,8 +25,10 @@
 # CONFIG_ARCH_MULTI_V7 is not set
 CONFIG_ARCH_ASPEED=y
 CONFIG_MACH_ASPEED_G4=y
+CONFIG_DEBUG_RODATA=y
 CONFIG_AEABI=y
 CONFIG_UACCESS_WITH_MEMCPY=y
+CONFIG_SECCOMP=y
 # CONFIG_ATAGS is not set
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
@@ -28,6 +36,7 @@
 CONFIG_ARM_ATAG_DTB_COMPAT=y
 CONFIG_KEXEC=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_SUSPEND is not set
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -37,11 +46,11 @@
 CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_RARP=y
+CONFIG_SYN_COOKIES=y
 # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET_XFRM_MODE_TUNNEL is not set
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_DIAG is not set
-# CONFIG_IPV6 is not set
 CONFIG_NETFILTER=y
 CONFIG_IP_NF_IPTABLES=y
 CONFIG_IP_NF_FILTER=y
@@ -63,7 +72,6 @@
 CONFIG_BLK_DEV_RAM_SIZE=8192
 CONFIG_ASPEED_BT_IPMI_HOST=y
 CONFIG_EEPROM_AT24=y
-CONFIG_EEPROM_93CX6=y
 CONFIG_NETDEVICES=y
 # CONFIG_NET_VENDOR_ARC is not set
 # CONFIG_NET_CADENCE is not set
@@ -97,6 +105,7 @@
 # CONFIG_SERIO is not set
 # CONFIG_VT is not set
 CONFIG_LEGACY_PTY_COUNT=4
+# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_8250=y
 # CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
 CONFIG_SERIAL_8250_CONSOLE=y
@@ -105,12 +114,16 @@
 CONFIG_SERIAL_8250_EXTENDED=y
 CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SERIAL_ASPEED_VUART=y
 # CONFIG_HW_RANDOM is not set
+CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
-CONFIG_GPIO_ASPEED=y
+CONFIG_I2C_ASPEED=y
+CONFIG_SENSORS_LM75=y
 CONFIG_SENSORS_NCT7904=y
 CONFIG_SENSORS_POWER8_OCC_I2C=y
 CONFIG_PMBUS=y
+# CONFIG_SENSORS_PMBUS is not set
 CONFIG_SENSORS_ADM1275=y
 CONFIG_SENSORS_TMP421=y
 # CONFIG_HID is not set
@@ -122,7 +135,9 @@
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
+CONFIG_RTC_DRV_ASPEED=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_FANOTIFY=y
@@ -147,21 +162,18 @@
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_DEBUG_FS=y
 # CONFIG_SCHED_DEBUG is not set
-# CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_FTRACE is not set
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_LL=y
 CONFIG_DEBUG_LL_UART_8250=y
 CONFIG_DEBUG_UART_PHYS=0x1e784000
 CONFIG_DEBUG_UART_VIRT=0xe8784000
+CONFIG_EARLY_PRINTK=y
 # CONFIG_CRYPTO_ECHAINIV is not set
-CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_CRC32C=y
-CONFIG_CRYPTO_SHA256=y
-CONFIG_CRYPTO_ANSI_CPRNG=y
-CONFIG_CRYPTO_JITTERENTROPY=y
 # CONFIG_CRYPTO_HW is not set
-CONFIG_CRC_CCITT=y
-CONFIG_CRC16=y
-CONFIG_CRC_ITU_T=y
-CONFIG_CRC7=y
+# CONFIG_XZ_DEC_X86 is not set
+# CONFIG_XZ_DEC_POWERPC is not set
+# CONFIG_XZ_DEC_IA64 is not set
+# CONFIG_XZ_DEC_ARM is not set
+# CONFIG_XZ_DEC_ARMTHUMB is not set
+# CONFIG_XZ_DEC_SPARC is not set