diff --git a/root/target/linux/brcm2708/bcm2709/config-4.19 b/root/target/linux/brcm2708/bcm2709/config-4.19
index 72316644..660a7c85 100644
--- a/root/target/linux/brcm2708/bcm2709/config-4.19
+++ b/root/target/linux/brcm2708/bcm2709/config-4.19
@@ -42,8 +42,11 @@ CONFIG_ARM_ARCH_TIMER=y
 CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y
 CONFIG_ARM_BCM2835_CPUFREQ=y
 CONFIG_ARM_CPU_SUSPEND=y
+CONFIG_ARM_CRYPTO=y
+CONFIG_ARM_ERRATA_643719=y
 CONFIG_ARM_GIC=y
 CONFIG_ARM_HAS_SG_CHAIN=y
+CONFIG_ARM_HEAVY_MB=y
 CONFIG_ARM_L1_CACHE_SHIFT=6
 CONFIG_ARM_L1_CACHE_SHIFT_6=y
 CONFIG_ARM_LPAE=y
@@ -60,14 +63,14 @@ CONFIG_AUTO_ZRELADDR=y
 # CONFIG_BACKLIGHT_CLASS_DEVICE is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_BCM2708_VCMEM=y
-# CONFIG_BCM2835_DEVGPIOMEM is not set
+CONFIG_BCM2835_DEVGPIOMEM=y
 CONFIG_BCM2835_MBOX=y
 CONFIG_BCM2835_POWER=y
 # CONFIG_BCM2835_SMI is not set
 CONFIG_BCM2835_THERMAL=y
 CONFIG_BCM2835_TIMER=y
 CONFIG_BCM2835_VCHIQ=y
-CONFIG_BCM2835_VCHIQ_MMAL=y
+# CONFIG_BCM2835_VCHIQ_MMAL is not set
 CONFIG_BCM2835_WDT=y
 CONFIG_BCM7XXX_PHY=y
 CONFIG_BCMGENET=y
@@ -76,8 +79,13 @@ CONFIG_BCM_VCIO=y
 CONFIG_BCM_VC_SM=y
 CONFIG_BCM_VC_SM_CMA=y
 CONFIG_BCM_VIDEOCORE=y
+CONFIG_BLK_DEBUG_FS=y
+CONFIG_BLK_DEV_BSG=y
+CONFIG_BLK_DEV_BSGLIB=y
+# CONFIG_BLK_DEV_DM is not set
 # CONFIG_BLK_DEV_INITRD is not set
 CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_MD is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
@@ -89,7 +97,7 @@ CONFIG_BRCMSTB_THERMAL=y
 CONFIG_BRCM_CHAR_DRIVERS=y
 CONFIG_BROADCOM_PHY=y
 CONFIG_BUILD_BIN2C=y
-# CONFIG_CACHE_L2X0 is not set
+CONFIG_CACHE_L2X0=y
 CONFIG_CC_HAS_ASM_GOTO=y
 CONFIG_CLKDEV_LOOKUP=y
 CONFIG_CLKSRC_MMIO=y
@@ -145,14 +153,30 @@ CONFIG_CPU_V7=y
 CONFIG_CRC16=y
 CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_AES_ARM=y
+CONFIG_CRYPTO_AES_ARM_BS=y
+CONFIG_CRYPTO_AES_ARM_CE=y
+CONFIG_CRYPTO_CHACHA20=y
+CONFIG_CRYPTO_CHACHA20_NEON=y
 CONFIG_CRYPTO_CRC32=y
 CONFIG_CRYPTO_CRC32C=y
+CONFIG_CRYPTO_CRC32_ARM_CE=y
+CONFIG_CRYPTO_CRYPTD=y
+CONFIG_CRYPTO_GHASH_ARM_CE=y
 CONFIG_CRYPTO_HASH=y
 CONFIG_CRYPTO_HASH2=y
 CONFIG_CRYPTO_MANAGER=y
 CONFIG_CRYPTO_MANAGER2=y
 CONFIG_CRYPTO_NULL2=y
 CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_SHA1=y
+CONFIG_CRYPTO_SHA1_ARM=y
+CONFIG_CRYPTO_SHA1_ARM_CE=y
+CONFIG_CRYPTO_SHA1_ARM_NEON=y
+CONFIG_CRYPTO_SHA256_ARM=y
+CONFIG_CRYPTO_SHA2_ARM_CE=y
+CONFIG_CRYPTO_SHA512_ARM=y
+CONFIG_CRYPTO_SIMD=y
 CONFIG_CRYPTO_WORKQUEUE=y
 CONFIG_DCACHE_WORD_ACCESS=y
 CONFIG_DEBUG_ALIGN_RODATA=y
@@ -164,6 +188,7 @@ CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
 CONFIG_DEFAULT_MPTCP_PM="fullmesh"
+CONFIG_DEVMEM=y
 CONFIG_DMADEVICES=y
 CONFIG_DMA_BCM2708=y
 CONFIG_DMA_BCM2835=y
@@ -233,10 +258,12 @@ CONFIG_GENERIC_SCHED_CLOCK=y
 CONFIG_GENERIC_SMP_IDLE_THREAD=y
 CONFIG_GENERIC_STRNCPY_FROM_USER=y
 CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
 CONFIG_GPIOLIB=y
 CONFIG_GPIOLIB_IRQCHIP=y
 CONFIG_GPIO_BCM_VIRT=y
-# CONFIG_GPIO_RASPBERRYPI_EXP is not set
+CONFIG_GPIO_RASPBERRYPI_EXP=y
+CONFIG_GPIO_STMPE=y
 CONFIG_GPIO_SYSFS=y
 CONFIG_HANDLE_DOMAIN_IRQ=y
 CONFIG_HARDEN_BRANCH_PREDICTOR=y
@@ -292,7 +319,15 @@ CONFIG_HIGHPTE=y
 CONFIG_HOTPLUG_CPU=y
 # CONFIG_HUGETLBFS is not set
 CONFIG_HW_CONSOLE=y
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_BCM2835=y
+CONFIG_HW_RANDOM_IPROC_RNG200=y
 CONFIG_HZ_FIXED=0
+CONFIG_I2C=y
+# CONFIG_I2C_BCM2708 is not set
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_HELPER_AUTO=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_INPUT=y
@@ -324,19 +359,22 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_MAILBOX=y
 # CONFIG_MAILBOX_TEST is not set
 CONFIG_MAX_RAW_DEVS=256
+CONFIG_MD=y
 CONFIG_MDIO_BCM_UNIMAC=y
 CONFIG_MDIO_BUS=y
 CONFIG_MDIO_DEVICE=y
 CONFIG_MEMFD_CREATE=y
 CONFIG_MEMORY_ISOLATION=y
 CONFIG_MFD_CORE=y
+# CONFIG_MFD_RPISENSE_CORE is not set
+CONFIG_MFD_STMPE=y
 CONFIG_MFD_SYSCON=y
 CONFIG_MICROCHIP_PHY=y
 CONFIG_MIGHT_HAVE_CACHE_L2X0=y
 CONFIG_MIGHT_HAVE_PCI=y
 CONFIG_MIGRATION=y
 CONFIG_MMC=y
-CONFIG_MMC_BCM2835=y
+# CONFIG_MMC_BCM2835 is not set
 CONFIG_MMC_BCM2835_DMA=y
 CONFIG_MMC_BCM2835_MMC=y
 CONFIG_MMC_BCM2835_PIO_DMA_BARRIER=2
@@ -381,6 +419,8 @@ CONFIG_OF_RESERVED_MEM=y
 CONFIG_OF_RESOLVE=y
 CONFIG_OLD_SIGACTION=y
 CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_OUTER_CACHE=y
+CONFIG_OUTER_CACHE_SYNC=y
 CONFIG_PADATA=y
 CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_PCI=y
@@ -396,6 +436,10 @@ CONFIG_PHYLIB=y
 CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_BCM2835=y
+# CONFIG_PL310_ERRATA_588369 is not set
+# CONFIG_PL310_ERRATA_727915 is not set
+# CONFIG_PL310_ERRATA_753970 is not set
+# CONFIG_PL310_ERRATA_769419 is not set
 CONFIG_PLUGIN_HOSTCC="g++"
 CONFIG_PM=y
 CONFIG_PM_CLK=y
@@ -405,11 +449,14 @@ CONFIG_PM_GENERIC_DOMAINS_OF=y
 CONFIG_PM_GENERIC_DOMAINS_SLEEP=y
 CONFIG_PM_SLEEP=y
 CONFIG_PM_SLEEP_SMP=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_GPIO=y
 CONFIG_POWER_SUPPLY=y
 CONFIG_PRINTK_TIME=y
 CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_PWM=y
 CONFIG_PWM_BCM2835=y
+# CONFIG_PWM_STMPE is not set
 CONFIG_PWM_SYSFS=y
 CONFIG_RASPBERRYPI_FIRMWARE=y
 CONFIG_RASPBERRYPI_POWER=y
@@ -429,7 +476,8 @@ CONFIG_RPS=y
 CONFIG_RWSEM_SPIN_ON_OWNER=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_SCSI=y
-# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_SCSI_ISCSI_ATTRS=y
+CONFIG_SCSI_MQ_DEFAULT=y
 # CONFIG_SCSI_PROC_FS is not set
 CONFIG_SERIAL_8250_BCM2835AUX=y
 # CONFIG_SERIAL_8250_DMA is not set
@@ -445,7 +493,16 @@ CONFIG_SG_POOL=y
 CONFIG_SMP=y
 CONFIG_SMP_ON_UP=y
 CONFIG_SPARSE_IRQ=y
+CONFIG_SPI=y
+# CONFIG_SPI_BCM2835AUX is not set
+CONFIG_SPI_MASTER=y
+CONFIG_SPI_MEM=y
+CONFIG_SPI_SLAVE=y
+# CONFIG_SPI_SLAVE_SYSTEM_CONTROL is not set
+# CONFIG_SPI_SLAVE_TIME is not set
 CONFIG_SRCU=y
+CONFIG_STMPE_I2C=y
+CONFIG_STMPE_SPI=y
 CONFIG_STREAM_PARSER=y
 # CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_SUSPEND=y
@@ -467,24 +524,22 @@ CONFIG_TIMER_PROBE=y
 CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_TREE_RCU=y
 CONFIG_TREE_SRCU=y
+CONFIG_TTY_PRINTK=y
 CONFIG_UEVENT_HELPER_PATH=""
 # CONFIG_UID16 is not set
 CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h"
 CONFIG_USB=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_COMMON=y
-CONFIG_USB_DWCOTG=y
+# CONFIG_USB_DWCOTG is not set
 # CONFIG_USB_EHCI_HCD is not set
 CONFIG_USB_LAN78XX=y
 CONFIG_USB_NET_DRIVERS=y
 CONFIG_USB_NET_SMSC95XX=y
-CONFIG_USB_STORAGE=y
 CONFIG_USB_SUPPORT=y
-CONFIG_USB_UAS=y
 CONFIG_USB_USBNET=y
-CONFIG_USB_XHCI_HCD=y
-CONFIG_USB_XHCI_PLATFORM=y
 CONFIG_USE_OF=y
+CONFIG_VDSO=y
 CONFIG_VFP=y
 CONFIG_VFPv3=y
 CONFIG_VT=y
diff --git a/root/target/linux/brcm2708/image/config.txt b/root/target/linux/brcm2708/image/config.txt
index 8cd0ad15..329aaccc 100644
--- a/root/target/linux/brcm2708/image/config.txt
+++ b/root/target/linux/brcm2708/image/config.txt
@@ -959,6 +959,3 @@ dtparam=spi=on
 #dtoverlay=rpi-dac
 #dtoverlay=rpi-proto
 #dtoverlay=rra-digidac1-wm8741-audio
-[pi4]
-total_mem=1024
-enable_gic=1