BoardConfig.mk

#
# Copyright (C) 2023 The Android Open Source Project
# Copyright (C) 2023 SebaUbuntu's TWRP device tree generator
#
# SPDX-License-Identifier: Apache-2.0
#

DEVICE_PATH := device/tecno/CK8n

# For building with minimal manifest
ALLOW_MISSING_DEPENDENCIES := true

# A/B
AB_OTA_UPDATER := true
AB_OTA_PARTITIONS += \
    system \
    vendor \
    product \
    system_ext \
    boot \
    vendor_boot \
    vbmeta_vendor \
    vbmeta_system

# Architecture
TARGET_ARCH := arm64
TARGET_ARCH_VARIANT := armv8-a
TARGET_CPU_ABI := arm64-v8a
TARGET_CPU_ABI2 := 
TARGET_CPU_VARIANT := generic
TARGET_CPU_VARIANT_RUNTIME := cortex-a55

TARGET_2ND_ARCH := arm
TARGET_2ND_ARCH_VARIANT := armv7-a-neon
TARGET_2ND_CPU_ABI := armeabi-v7a
TARGET_2ND_CPU_ABI2 := armeabi
TARGET_2ND_CPU_VARIANT := generic
TARGET_2ND_CPU_VARIANT_RUNTIME := cortex-a55

# Assert
TARGET_OTA_ASSERT_DEVICE := TECNO-CK8n

# Board Boot Header
# Switch to version 3 since A14 update, moving recovery resources to vendor_boot
BOARD_BOOT_HEADER_VERSION := 3

# Board Default Values
# Switch to --vendor_cmdline since header v3
BOARD_VENDOR_CMDLINE := bootopt=64S3,32N2,64N2
# From 2048, switch to 4096 since header v3
BOARD_PAGE_SIZE := 4096
BOARD_KERNEL_BASE := 0x40078000
BOARD_KERNEL_OFFSET := 0x00008000
BOARD_RAMDISK_OFFSET := 0x11088000
BOARD_TAGS_OFFSET := 0x07c08000
BOARD_DTB_OFFSET := 0x07c08000
BOARD_MKBOOTIMG_ARGS += --vendor_cmdline $(BOARD_VENDOR_CMDLINE)
BOARD_MKBOOTIMG_ARGS += --pagesize $(BOARD_PAGE_SIZE) --board ""
BOARD_MKBOOTIMG_ARGS += --kernel_offset $(BOARD_KERNEL_OFFSET)
BOARD_MKBOOTIMG_ARGS += --ramdisk_offset $(BOARD_RAMDISK_OFFSET)
BOARD_MKBOOTIMG_ARGS += --tags_offset $(BOARD_TAGS_OFFSET)
BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOT_HEADER_VERSION)
BOARD_MKBOOTIMG_ARGS += --dtb_offset $(BOARD_DTB_OFFSET)

# Board - type/size ?
BOARD_HAS_LARGE_FILESYSTEM := true
BOARD_USES_SYSTEM_DLKMIMAGE := true

# Bootloader
TARGET_BOOTLOADER_BOARD_NAME := CK8n
TARGET_NO_BOOTLOADER := true
TARGET_USES_UEFI := true

# Build Rules
BUILD_BROKEN_DUP_RULES := true
BUILD_BROKEN_ELF_PREBUILT_PRODUCT_COPY_FILES := true

# Crypto
TW_INCLUDE_CRYPTO := true
TW_INCLUDE_CRYPTO_FBE := true
TW_INCLUDE_FBE_METADATA_DECRYPT := true
TW_PREPARE_DATA_MEDIA_EARLY := true

# Debug
TWRP_INCLUDE_LOGCAT := true
TARGET_USES_LOGD := true

# Display
TARGET_SCREEN_DENSITY := 480

# DTB - prebuilt
TARGET_PREBUILT_DTB := $(DEVICE_PATH)/prebuilt/dtb.img
BOARD_MKBOOTIMG_ARGS += --dtb $(TARGET_PREBUILT_DTB)

# Kernel
TARGET_NO_KERNEL := true
# Just defining it, to avoid unncessary error while building...
BOARD_KERNEL_IMAGE_NAME := Image

# Kernel - source
TARGET_KERNEL_CONFIG := CK8n_defconfig
TARGET_KERNEL_SOURCE := kernel/tecno/CK8n

# Metadata
BOARD_USES_METADATA_PARTITION := true

# Partitions
# (BOARD_PAGE_SIZE * 64)
BOARD_FLASH_BLOCK_SIZE := 262144
BOARD_BOOTIMAGE_PARTITION_SIZE := 67108864
# Define vendor_boot image size, as we will be moving recovery resource to it
BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE := $(BOARD_BOOTIMAGE_PARTITION_SIZE)
# TODO: Fix hardcoded value
BOARD_SUPER_PARTITION_SIZE := 9126805504
BOARD_SUPER_PARTITION_GROUPS := tecno_dynamic_partitions
BOARD_TECNO_DYNAMIC_PARTITIONS_PARTITION_LIST := system vendor product system_ext
# TODO: Fix hardcoded value
BOARD_TECNO_DYNAMIC_PARTITIONS_SIZE := 9122611200

# Partitions - file type
BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE := f2fs
BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_PRODUCTIMAGE_FILE_SYSTEM_TYPE := erofs
BOARD_SYSTEM_DLKMIMAGE_FILE_SYSTEM_TYPE := ext4

# Platform
TARGET_BOARD_PLATFORM := mt6893

# Recovery
TARGET_NO_RECOVERY := true
TARGET_RECOVERY_PIXEL_FORMAT := RGBX_8888
TARGET_USERIMAGES_USE_EXT4 := true
TARGET_USERIMAGES_USE_F2FS := true
TARGET_RECOVERY_FSTAB := $(DEVICE_PATH)/recovery.fstab
TARGET_VENDOR_PROP := $(DEVICE_PATH)/vendor.prop
TARGET_USES_MKE2FS := true

# Recovery - Ramdisk
# Since moving recovery resources to vendor_boot, ramdisk compression type became lz4-l from gzip
BOARD_RAMDISK_USE_LZ4 := true

# Recovery - sdcard ?
RECOVERY_SDCARD_ON_DATA := true

# SAR
BOARD_BUILD_SYSTEM_ROOT_IMAGE := false
BOARD_SUPPRESS_SECURE_ERASE := true

# SPL
PLATFORM_SECURITY_PATCH := 2099-12-31
VENDOR_SECURITY_PATCH := 2099-12-31
PLATFORM_VERSION := 99.87.36
PLATFORM_VERSION_LAST_STABLE := $(PLATFORM_VERSION)

# Verified Boot
BOARD_AVB_ENABLE := true
BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 3
BOARD_AVB_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
BOARD_AVB_RECOVERY_ALGORITHM := SHA256_RSA4096
BOARD_AVB_RECOVERY_KEY_PATH := external/avb/test/data/testkey_rsa4096.pem
BOARD_AVB_RECOVERY_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
BOARD_AVB_RECOVERY_ROLLBACK_INDEX_LOCATION := 1

# TWRP Configuration
TW_THEME := portrait_hdpi
TW_EXTRA_LANGUAGES := true
TW_INPUT_BLACKLIST := "hbtp_vm"
TW_USE_TOOLBOX := true
TW_INCLUDE_REPACKTOOLS := true
TW_BRIGHTNESS_PATH := "/sys/class/leds/lcd-backlight/brightness"
TW_MAX_BRIGHTNESS := 2047
TW_DEFAULT_BRIGHTNESS := 1200
TW_NO_SCREEN_BLANK := true
TW_INCLUDE_RESETPROP := true
TW_INCLUDE_LIBRESETPROP :=true
TW_INCLUDE_FASTBOOTD := true
TW_INCLUDE_TZDATA := true
TW_EXCLUDE_APEX := true
TW_EXCLUDE_DEFAULT_USB_INIT := true
TW_HAS_MTP := true
TW_HAS_NO_RECOVERY_PARTITION := true

# Vendor Boot
# Making sure recovery build don't have kernel in it--well, no kernel at all in tree anyway... LOL!
BOARD_EXCLUDE_KERNEL_FROM_RECOVERY_IMAGE := true
# We are now moving to vendor_boot, hmmm, wait, really?
BOARD_MOVE_RECOVERY_RESOURCES_TO_VENDOR_BOOT := true

# Vendor Modules
TW_LOAD_VENDOR_MODULES := true
TW_LOAD_VENDOR_BOOT_MODULES := true
TW_LOAD_VENDOR_MODULES_EXCLUDE_GKI := true

# Workaround for copy_out error
TARGET_COPY_OUT_VENDOR := vendor
TARGET_COPY_OUT_SYSTEM_DLKM := system_dlkm
TARGET_COPY_OUT_PRODUCT := product
TARGET_COPY_OUT_SYSTEM_EXT := system_ext

# Version
TW_DEVICE_VERSION := A14-CD_0001