diff --git a/target/linux/lantiq/dts/VGV7510KW22.dtsi b/target/linux/lantiq/dts/VGV7510KW22.dtsi
index fa46e07670..4f76e7ddf3 100644
--- a/target/linux/lantiq/dts/VGV7510KW22.dtsi
+++ b/target/linux/lantiq/dts/VGV7510KW22.dtsi
@@ -4,7 +4,7 @@
 
 / {
 	chosen {
-		bootargs = "console=ttyLTQ0,115200 mem=62M vpe1_load_addr=0x83e00000 vpe1_mem=2M maxvpes=1 maxtcs=1";
+		bootargs = "console=ttyLTQ0,115200 mem=62M vpe1_load_addr=0x83e00000 vpe1_mem=2M maxvpes=1 maxtcs=1 nosmp";
 	};
 
 	aliases {
diff --git a/target/linux/lantiq/dts/VGV7519.dtsi b/target/linux/lantiq/dts/VGV7519.dtsi
index 9080d8d997..9e0675f195 100644
--- a/target/linux/lantiq/dts/VGV7519.dtsi
+++ b/target/linux/lantiq/dts/VGV7519.dtsi
@@ -4,7 +4,7 @@
 
 / {
 	chosen {
-		bootargs = "console=ttyLTQ0,115200 mem=62M vpe1_load_addr=0x83e00000 vpe1_mem=2M maxvpes=1 maxtcs=1";
+		bootargs = "console=ttyLTQ0,115200 mem=62M vpe1_load_addr=0x83e00000 vpe1_mem=2M maxvpes=1 maxtcs=1 nosmp";
 	};
 
 	aliases {
diff --git a/target/linux/lantiq/xrx200/config-default b/target/linux/lantiq/xrx200/config-default
index 30dff32f4f..e36ea2f089 100644
--- a/target/linux/lantiq/xrx200/config-default
+++ b/target/linux/lantiq/xrx200/config-default
@@ -1,6 +1,9 @@
 CONFIG_ADM6996_PHY=y
 CONFIG_AR8216_PHY=y
 CONFIG_AT803X_PHY=y
+CONFIG_CPU_MIPSR2_IRQ_EI=y
+CONFIG_CPU_MIPSR2_IRQ_VI=y
+CONFIG_CPU_RMAP=y
 CONFIG_CRC16=y
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
@@ -16,6 +19,10 @@ CONFIG_LANTIQ_XRX200=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LZO_COMPRESS=y
 CONFIG_LZO_DECOMPRESS=y
+CONFIG_MIPS_MT=y
+# CONFIG_MIPS_MT_FPAFF is not set
+CONFIG_MIPS_MT_SMP=y
+CONFIG_MIPS_PERF_SHARED_TC_COUNTERS=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_ECC=y
 CONFIG_MTD_NAND_PLATFORM=y
@@ -27,17 +34,28 @@ CONFIG_MTD_UBI_BLOCK=y
 # CONFIG_MTD_UBI_FASTMAP is not set
 # CONFIG_MTD_UBI_GLUEBI is not set
 CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_NET_FLOW_LIMIT=y
 CONFIG_NLS=y
+CONFIG_NR_CPUS=2
 CONFIG_PCIE_LANTIQ=y
 CONFIG_POWER_RESET=y
 CONFIG_POWER_RESET_GPIO=y
 CONFIG_POWER_SUPPLY=y
+CONFIG_RCU_STALL_COMMON=y
+CONFIG_RFS_ACCEL=y
+CONFIG_RPS=y
 CONFIG_RTL8306_PHY=y
 CONFIG_RTL8366S_PHY=y
 CONFIG_RTL8367B_PHY=y
 CONFIG_RTL8367_PHY=y
 CONFIG_SENSORS_LTQ_CPUTEMP=y
+CONFIG_SMP=y
+CONFIG_SMP_UP=y
 CONFIG_SWCONFIG_LEDS=y
+CONFIG_SYNC_R4K=y
+CONFIG_SYS_SUPPORTS_SCHED_SMT=y
+CONFIG_SYS_SUPPORTS_SMP=y
+CONFIG_TREE_RCU=y
 CONFIG_UBIFS_FS=y
 CONFIG_UBIFS_FS_ADVANCED_COMPR=y
 CONFIG_UBIFS_FS_LZO=y
@@ -47,6 +65,7 @@ CONFIG_USB_COMMON=y
 # CONFIG_USB_EHCI_HCD is not set
 CONFIG_USB_SUPPORT=y
 # CONFIG_USB_UHCI_HCD is not set
+CONFIG_XPS=y
 CONFIG_XRX200_PHY_FW=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_ZLIB_INFLATE=y