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

Add cm3 kernel compiling tips
This commit is contained in:
cuu 2024-06-03 00:30:18 -07:00
parent 713e174717
commit 95e50bedce
2 changed files with 61 additions and 2 deletions

59
Code/patch/cm3/README.md Normal file
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@ -0,0 +1,59 @@
# 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
```

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@ -1,5 +1,5 @@
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index 9863b50ad6da..4ec57b4a087f 100644
index d96ac08a606e..2f52093b14ce 100644
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -27,6 +27,11 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
@ -11,9 +11,9 @@ index 9863b50ad6da..4ec57b4a087f 100644
+ devterm-panel.dtbo \
+ devterm-pmu.dtbo \
+ devterm-wifi.dtbo \
chipdip-i2s-master-dac.dtbo \
dht11.dtbo \
dionaudio-loco.dtbo \
dionaudio-loco-v2.dtbo \
diff --git a/arch/arm/boot/dts/overlays/devterm-bt-overlay.dts b/arch/arm/boot/dts/overlays/devterm-bt-overlay.dts
new file mode 100755
index 000000000000..4b634fdd3bda