# Prepare ``` mkdir -p ~/data/andriod mkdir -p ~/data/github/lineage-rpi cd ~/data/github/lineage-rpi git clone https://github.com/lineage-rpi/android_kernel_brcm_rpi -b lineage-19.1 git clone https://github.com/lineage-rpi/proprietary_vendor_brcm -b lineage-19.1 cd ~/data/andriod git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9 -b pie-release ``` # Fix firmware path edit `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/configs/lineageos_rpi4_defconfig` line 1537 to be `CONFIG_EXTRA_FIRMWARE_DIR="/home/cpi/data/github/lineage-rpi/proprietary_vendor_brcm/rpi4/proprietary/vendor/firmware"` # Compile ``` cd ~/data/github/lineage-rpi/android_kernel_brcm_rpi ``` create **m.sh** with content like: ``` #!/bin/bash export PATH=/home/cpi/data/andriod/aarch64-linux-android-4.9/bin:$PATH ARCH=arm64 CROSS_COMPILE=aarch64-linux-androidkernel- make lineageos_rpi4_defconfig ARCH=arm64 CROSS_COMPILE=aarch64-linux-androidkernel- make Image dtbs -j1 ``` ``` chmod +x m.sh ./m.sh # start kernel compile ``` # Replace files copy * bcm2711-rpi-400.dtb * bcm2711-rpi-4-b.dtb * bcm2711-rpi-cm4.dtb * bcm2711-rpi-cm4s.dtb from `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/dts/broadcom/` to lineage os image boot partition copy `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/Image` to to lineage os image boot partition copy `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/dts/overlays/vc4-kms-v3d.dtbo` to to lineage os image boot partition/overlays # Kernel config https://gist.github.com/cuu/92bfa28a9b6de421834e5f9f408a12a4