diff --git a/target/linux/mpc85xx/config-6.6 b/target/linux/mpc85xx/config-6.6
index c3e0414a784..34ff126851b 100644
--- a/target/linux/mpc85xx/config-6.6
+++ b/target/linux/mpc85xx/config-6.6
@@ -2,6 +2,7 @@
 # CONFIG_44x is not set
 # CONFIG_ADVANCED_OPTIONS is not set
 CONFIG_ARCH_32BIT_OFF_T=y
+CONFIG_ARCH_DMA_DEFAULT_COHERENT=y
 CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_KEEP_MEMBLOCK=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
@@ -45,6 +46,7 @@ CONFIG_CPU_BIG_ENDIAN=y
 CONFIG_CRYPTO_AUTHENC=y
 CONFIG_CRYPTO_HW=y
 CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
+CONFIG_CRYPTO_LIB_GF128MUL=y
 CONFIG_CRYPTO_LIB_POLY1305_RSIZE=1
 CONFIG_CRYPTO_LIB_SHA1=y
 CONFIG_CRYPTO_LIB_UTILS=y
@@ -78,6 +80,9 @@ CONFIG_FSL_PCI=y
 CONFIG_FSL_PQ_MDIO=y
 CONFIG_FSL_SOC=y
 CONFIG_FSL_SOC_BOOKE=y
+# CONFIG_FSL_ULI1575 is not set
+CONFIG_FS_IOMAP=y
+CONFIG_FUNCTION_ALIGNMENT=0
 CONFIG_FWNODE_MDIO=y
 CONFIG_FW_LOADER_PAGED_BUF=y
 CONFIG_FW_LOADER_SYSFS=y
@@ -93,6 +98,8 @@ CONFIG_GENERIC_CPU_AUTOPROBE=y
 CONFIG_GENERIC_CPU_VULNERABILITIES=y
 CONFIG_GENERIC_EARLY_IOREMAP=y
 CONFIG_GENERIC_GETTIMEOFDAY=y
+CONFIG_GENERIC_IDLE_POLL_SETUP=y
+CONFIG_GENERIC_IOREMAP=y
 CONFIG_GENERIC_IRQ_SHOW=y
 CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
 CONFIG_GENERIC_ISA_DMA=y
@@ -109,6 +116,7 @@ CONFIG_GPIO_GENERIC=y
 CONFIG_GPIO_MPC8XXX=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
 CONFIG_HAS_IOPORT_MAP=y
 # CONFIG_HIVEAP_330 is not set
 CONFIG_HW_RANDOM=y
@@ -134,10 +142,10 @@ CONFIG_LXT_PHY=y
 CONFIG_MDIO_BUS=y
 CONFIG_MDIO_DEVICE=y
 CONFIG_MDIO_DEVRES=y
-CONFIG_MEMFD_CREATE=y
 CONFIG_MIGRATION=y
 CONFIG_MMU_GATHER_MERGE_VMAS=y
 CONFIG_MMU_GATHER_PAGE_SIZE=y
+CONFIG_MMU_LAZY_TLB_REFCOUNT=y
 CONFIG_MODULES_USE_ELF_RELA=y
 # CONFIG_MPC8536_DS is not set
 # CONFIG_MPC8540_ADS is not set
@@ -159,7 +167,10 @@ CONFIG_MTD_SPI_NOR=y
 # CONFIG_MVME2500 is not set
 CONFIG_NEED_PER_CPU_KM=y
 CONFIG_NEED_SG_DMA_LENGTH=y
+CONFIG_NET_EGRESS=y
+CONFIG_NET_INGRESS=y
 CONFIG_NET_SELFTESTS=y
+CONFIG_NET_XGRESS=y
 CONFIG_NLS=y
 CONFIG_NR_CPUS=1
 CONFIG_NR_IRQS=512
@@ -168,10 +179,10 @@ CONFIG_NVMEM_LAYOUTS=y
 # CONFIG_NVMEM_QORIQ_EFUSE is not set
 CONFIG_OF=y
 CONFIG_OF_ADDRESS=y
-CONFIG_OF_DMA_DEFAULT_COHERENT=y
 CONFIG_OF_EARLY_FLATTREE=y
 CONFIG_OF_FLATTREE=y
 CONFIG_OF_GPIO=y
+CONFIG_OF_GPIO_MM_GPIOCHIP=y
 CONFIG_OF_IRQ=y
 CONFIG_OF_KOBJ=y
 CONFIG_OF_MDIO=y
@@ -223,6 +234,7 @@ CONFIG_PPC_KUAP=y
 # CONFIG_PPC_KUAP_DEBUG is not set
 CONFIG_PPC_KUEP=y
 CONFIG_PPC_MMU_NOHASH=y
+# CONFIG_PPC_P2020 is not set
 CONFIG_PPC_PAGE_SHIFT=12
 # CONFIG_PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT is not set
 # CONFIG_PPC_QEMU_E500 is not set
@@ -247,6 +259,7 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 CONFIG_SERIAL_MCTRL_GPIO=y
 CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_SERIAL_QE is not set
+CONFIG_SMT_NUM_THREADS_DYNAMIC=y
 # CONFIG_SOCRATES is not set
 CONFIG_SOFTIRQ_ON_OWN_STACK=y
 CONFIG_SPARSE_IRQ=y
@@ -256,7 +269,7 @@ CONFIG_SPI=y
 CONFIG_SPI_FSL_ESPI=y
 CONFIG_SPI_MASTER=y
 CONFIG_SPI_MEM=y
-CONFIG_SRCU=y
+CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU=y
 # CONFIG_STATIC_CALL_SELFTEST is not set
 # CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_STX_GP3 is not set
diff --git a/target/linux/mpc85xx/p2020/config-default b/target/linux/mpc85xx/p2020/config-default
index 6d0ecc5b9ee..01774cd6d68 100644
--- a/target/linux/mpc85xx/p2020/config-default
+++ b/target/linux/mpc85xx/p2020/config-default
@@ -29,6 +29,7 @@ CONFIG_PCI_MSI_ARCH_FALLBACKS=y
 CONFIG_PCI_MSI_IRQ_DOMAIN=y
 CONFIG_PPC_I8259=y
 CONFIG_PPC_MSI_BITMAP=y
+CONFIG_PPC_P2020=y
 CONFIG_REGMAP=y
 CONFIG_REGMAP_I2C=y
 CONFIG_RFS_ACCEL=y