diff --git a/BoardConfig-common.mk b/BoardConfig-common.mk
index ce8d71b1..d5e67aca 100644
--- a/BoardConfig-common.mk
+++ b/BoardConfig-common.mk
@@ -67,6 +67,9 @@ AB_OTA_PARTITIONS += \
 ifneq ($(PRODUCT_BUILD_BOOT_IMAGE),false)
 AB_OTA_PARTITIONS += boot
 endif
+ifneq ($(PRODUCT_BUILD_INIT_BOOT_IMAGE), false)
+AB_OTA_PARTITIONS += init_boot
+endif
 ifneq ($(PRODUCT_BUILD_VENDOR_BOOT_IMAGE),false)
 AB_OTA_PARTITIONS += vendor_boot
 AB_OTA_PARTITIONS += dtbo
@@ -136,6 +139,12 @@ BOARD_AVB_BOOT_ALGORITHM := SHA256_RSA2048
 BOARD_AVB_BOOT_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
 BOARD_AVB_BOOT_ROLLBACK_INDEX_LOCATION := 2
 
+# Enable chained vbmeta for init_boot images
+BOARD_AVB_INIT_BOOT_KEY_PATH := external/avb/test/data/testkey_rsa2048.pem
+BOARD_AVB_INIT_BOOT_ALGORITHM := SHA256_RSA2048
+BOARD_AVB_INIT_BOOT_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
+BOARD_AVB_INIT_BOOT_ROLLBACK_INDEX_LOCATION := 4
+
 TARGET_USERIMAGES_USE_EXT4 := true
 TARGET_USERIMAGES_USE_F2FS := true
 BOARD_USERDATAIMAGE_PARTITION_SIZE := 11796480000
@@ -328,12 +337,16 @@ BOARD_RAMDISK_USE_LZ4     := true
 BOARD_BOOT_HEADER_VERSION := 4
 BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
 
+BOARD_INIT_BOOT_HEADER_VERSION := 4
+BOARD_MKBOOTIMG_INIT_ARGS += --header_version $(BOARD_INIT_BOOT_HEADER_VERSION)
+
 BOARD_VENDOR_RAMDISK_FRAGMENTS := dlkm
 BOARD_VENDOR_RAMDISK_FRAGMENT.dlkm.KERNEL_MODULE_DIRS := top
 
 # Enable AVB2.0
 BOARD_AVB_ENABLE := true
 BOARD_BOOTIMAGE_PARTITION_SIZE := 0x04000000
+BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE := 0x800000
 BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE := 0x04000000
 BOARD_DTBOIMG_PARTITION_SIZE := 0x01000000
 
diff --git a/conf/fstab.gs201.in b/conf/fstab.gs201.in
index a3cdfe0a..242813ec 100644
--- a/conf/fstab.gs201.in
+++ b/conf/fstab.gs201.in
@@ -12,6 +12,7 @@ product                                                  /product
 vendor                                                   /vendor                     erofs   ro                       wait,slotselect,avb=vbmeta_vendor,logical,first_stage_mount,readahead_size_kb=128
 vendor_dlkm                                              /vendor_dlkm                erofs   ro                       wait,slotselect,avb=vbmeta,logical,first_stage_mount
 /dev/block/platform/14700000.ufs/by-name/boot            /boot                       emmc    defaults                 slotselect,avb=boot,first_stage_mount
+/dev/block/platform/14700000.ufs/by-name/init_boot       /init_boot                  emmc    defaults                 slotselect,avb=init_boot,first_stage_mount
 /dev/block/platform/14700000.ufs/by-name/efs             /mnt/vendor/efs             f2fs    noatime,sync             wait,check,formattable
 /dev/block/platform/14700000.ufs/by-name/efs_backup      /mnt/vendor/efs_backup      f2fs    noatime,sync             wait,check,formattable
 /dev/block/platform/14700000.ufs/by-name/modem_userdata  /mnt/vendor/modem_userdata  f2fs    noatime,sync             wait,check,formattable