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