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Update cm3 kernel patch for latest rpi kernel rpi-4.19.y

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Add cm3 kernel compiling tips
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cuu
2024-06-03 00:30:18 -07:00
parent 713e174717
commit 95e50bedce
2 changed files with 61 additions and 2 deletions
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Code/patch/cm3/README.md Normal file
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# How to compile devterm cm3 kernel
## Clone kernel source code
```
git clone https://github.com/raspberrypi/linux.git
cd linux
git checkout remotes/origin/rpi-4.19.y
```
## Get cross compile tools
```
git clone https://github.com/raspberrypi/tools.git
```
## Compiling process
```
#must use the rpi arm-bcm2708 cross compiler tools
cd linux
git apply devterm-4.19_v0.11.patch #get patch from https://github.com/clockworkpi/DevTerm/tree/main/Code/patch/cm3
export PATH=/data/github/raspberrypi/tools/arm-bcm2708/arm-linux-gnueabihf/bin/:$PATH ## change the arm-bcm2708 tools location for yourself
KERNEL=kernel7l make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig
KERNEL=kernel7l make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j3
INSTALL_MOD_PATH=./modules
rm -rf $INSTALL_MOD_PATH
make modules_install
rm modules/lib/modules/*/build
rm modules/lib/modules/*/source
```
## /boot/config.txt
In config.txt,I renamed kernel7.img to devterm-kernel7.img
```
ignore_lcd=1
dtoverlay=vc4-kms-v3d,audio=0,cma-384
dtoverlay=devterm-pmu
dtoverlay=devterm-panel
dtoverlay=devterm-wifi
dtoverlay=devterm-bt
dtoverlay=devterm-misc
gpio=5=op,dh
gpio=9=op,dh
gpio=10=ip,np
gpio=11=op,dh
enable_uart=1
dtparam=spi=on
dtoverlay=spi-gpio35-39
dtparam=audio=on
kernel=devterm-kernel7.img
```