oxmc
123 lines
4.9 KiB
Makefile
123 lines
4.9 KiB
Makefile
#
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# Copyright (C) 2021-2022 KonstaKANG
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# Copyright (C) 2025 oxmc
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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DEVICE_PATH := device/pawlet/rpi4
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# PawletOS common board config (A/B, partition sizes, update_engine)
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include vendor/pawlet/config/BoardConfigPawlet.mk
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# Architecture
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TARGET_ARCH := arm64
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TARGET_ARCH_VARIANT := armv8-a
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TARGET_CPU_ABI := arm64-v8a
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TARGET_CPU_ABI2 :=
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TARGET_CPU_VARIANT := cortex-a72
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# Bluetooth
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BOARD_HAVE_BLUETOOTH := true
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# Bootloader
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TARGET_NO_BOOTLOADER := true
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# Recovery — stock bootable/recovery stays unforked; TWRP's GUI plugs in via
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# TARGET_RECOVERY_UI_LIB (recovery_main.cpp dlopen()s librecovery_ui_ext.so and
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# dlsym()s make_device() from whatever this points at). See
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# vendor/pawlet/recovery_ui/README.md and NOTES-ota-recovery-ab.md.
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#
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# Phase 1: STOCK AOSP recovery UI (links today). recovery.img is a bootable
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# FAT image assembled by mkbootimg.mk (build/make skips its own recovery.img
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# rule whenever BOARD_CUSTOM_BOOTIMG_MK is set and expects the custom mk to
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# provide it); wrimg.sh dd's it to partition 3, and the RPi firmware boots it
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# via autoboot.txt boot_partition=3 (runtime switcher: separate change).
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# BOARD_USES_FULL_RECOVERY_IMAGE disables the legacy boot->recovery imgdiff
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# machinery (recovery-from-boot.p / vendor recovery-resource.dat) — we always
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# flash recovery whole.
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TARGET_NO_RECOVERY := false
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BOARD_USES_FULL_RECOVERY_IMAGE := true
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BOARD_RECOVERYIMAGE_PARTITION_SIZE := 134217728 # 128M
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TARGET_RECOVERY_FSTAB := device/pawlet/rpi4/recovery/recovery.rpi4.fstab
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TARGET_RECOVERY_PIXEL_FORMAT := RGB_565
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# Phase 2 — TWRP GUI: re-point once librecovery_ui_pawlet_twrp links
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# (libaosprecovery / TWRP's forked install/*.cpp still unported, see
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# vendor/pawlet/recovery_ui/README.md).
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#TARGET_RECOVERY_UI_LIB := librecovery_ui_pawlet_twrp
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# Display
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TARGET_SCREEN_DENSITY := 240
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# AVB — no vbmeta partition in layout
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BOARD_AVB_ENABLE := false
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# Kernel
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BOARD_CUSTOM_BOOTIMG := true
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BOARD_CUSTOM_BOOTIMG_MK := $(DEVICE_PATH)/mkbootimg.mk
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BOARD_KERNEL_CMDLINE := console=ttyS0,115200 androidboot.hardware=rpi4
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# Boot devices — our fstab mounts partitions via /dev/block/by-name/*, and
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# first-stage init only creates those symlinks for partitions on a declared
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# boot device. The value is matched exactly against the uevent platform path
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# with the /devices/platform/ prefix stripped:
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# USB (sda, VL805 USB3 on PCIe): scb/fd500000.pcie
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# SD card (mmcblk0, emmc2): emmc2bus/fe340000.mmc
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BOARD_KERNEL_CMDLINE += androidboot.boot_devices=scb/fd500000.pcie,emmc2bus/fe340000.mmc
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# Manifest
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DEVICE_FRAMEWORK_COMPATIBILITY_MATRIX_FILE := $(DEVICE_PATH)/framework_compatibility_matrix.xml
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DEVICE_MANIFEST_FILE := $(DEVICE_PATH)/manifest.xml
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PRODUCT_MANIFEST_FILES := $(DEVICE_PATH)/product_manifest.xml
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# Partition sizes
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BOARD_FLASH_BLOCK_SIZE := 4096
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BOARD_BOOTIMAGE_PARTITION_SIZE := 134217728 # 128M
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BOARD_SYSTEMIMAGE_PARTITION_SIZE := 8589934592 # 8192M (8GB)
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BOARD_SYSTEM_EXTIMAGE_PARTITION_SIZE := 4294967296 # 4096M (4GB)
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BOARD_SYSTEM_EXTIMAGE_PARTITION_RESERVED_SIZE := 104857600 # 100MB
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BOARD_SYSTEM_EXTIMAGE_FILE_SYSTEM_TYPE := ext4
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TARGET_COPY_OUT_SYSTEM_EXT := system_ext
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BOARD_VENDORIMAGE_PARTITION_SIZE := 2147483648 # 2048M (2GB)
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# Size vendor.img to content + margin instead of padding it to the full 2GB.
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# With BOARD_USES_FULL_RECOVERY_IMAGE=true, build/core/Makefile adds the whole
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# recovery.img (128MB) to the vendor size assertion (RECOVERY_FROM_BOOT_PATCH).
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# A non-reserved ext4 vendor image fills the entire partition, so vendor(2GB) +
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# recovery(128MB) always overflows. Reserving (as system_ext does) keeps the
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# image small; recovery still flashes whole to its own partition 3.
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BOARD_VENDORIMAGE_PARTITION_RESERVED_SIZE := 104857600 # 100MB
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BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := ext4
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TARGET_COPY_OUT_VENDOR := vendor
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BOARD_USES_METADATA_PARTITION := true
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BOARD_METADATAIMAGE_PARTITION_SIZE := 67108864 # 64MB (increased for A/B snapshot metadata)
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BOARD_MISCIMAGE_PARTITION_SIZE := 4194304 # 4MB (A/B slot tracking)
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BOARD_USERDATAIMAGE_PARTITION_SIZE := 134217728 # 128M
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TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true
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TARGET_USERIMAGES_USE_EXT4 := true
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# if BOARD_STORAGE_SUPPORTS_DISCARD := true
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# is set in BoardConfig.mk (or a device variant makefile), TRIM will be
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# enabled on the metadata partition. Only do this if your storage device
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# actually supports discard (SD cards, SSDs) — USB flash drives typically
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# don't, and requesting discard on them stalls jbd2.
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BOARD_STORAGE_SUPPORTS_DISCARD := true
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# Platform
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TARGET_BOARD_PLATFORM := bcm2711
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TARGET_BOOTLOADER_BOARD_NAME := bcm2711
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# Properties
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TARGET_VENDOR_PROP += $(DEVICE_PATH)/vendor.prop
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# SELinux
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BOARD_SEPOLICY_DIRS += device/pawlet/rpi4/sepolicy
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BOARD_KERNEL_CMDLINE += androidboot.selinux=permissive
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# Wifi
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BOARD_WLAN_DEVICE := bcmdhd
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BOARD_HOSTAPD_DRIVER := NL80211
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BOARD_HOSTAPD_PRIVATE_LIB := lib_driver_cmd_$(BOARD_WLAN_DEVICE)
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BOARD_WPA_SUPPLICANT_DRIVER := NL80211
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BOARD_WPA_SUPPLICANT_PRIVATE_LIB := lib_driver_cmd_$(BOARD_WLAN_DEVICE)
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WPA_SUPPLICANT_VERSION := VER_0_8_X
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