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Owen 2024-08-31 14:26:52 +02:00
parent 1a7f8ae985
commit 637eb088dd
2 changed files with 15 additions and 15 deletions
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24
build-trees/README.md
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@ -81,15 +81,17 @@ ubuntu@ubuntu:~/MQ-Pro-IO/build-trees$ ./make_dtb.sh
Compiling against headers for 6.8.0-41-generic
Creating new build directory: 6.8.0-41-generic
Precompiling all includes in build root into 6.8.0-41-generic build directory
Processing sun20i-common-regulators.dtsi to 6.8.0-41-generic/sun20i-common-regulators.dtsi
Processing sun20i-d1.dtsi to 6.8.0-41-generic/sun20i-d1.dtsi
Processing sun20i-d1s.dtsi to 6.8.0-41-generic/sun20i-d1s.dtsi
Processing sunxi-d1-t113.dtsi to 6.8.0-41-generic/sunxi-d1-t113.dtsi
Processing sunxi-d1s-t113.dtsi to 6.8.0-41-generic/sunxi-d1s-t113.dtsi
sun20i-common-regulators.dtsi -> 6.8.0-41-generic/sun20i-common-regulators.dtsi
sun20i-d1.dtsi -> 6.8.0-41-generic/sun20i-d1.dtsi
sun20i-d1s.dtsi -> 6.8.0-41-generic/sun20i-d1s.dtsi
sunxi-d1-t113.dtsi -> 6.8.0-41-generic/sunxi-d1-t113.dtsi
sunxi-d1s-t113.dtsi -> 6.8.0-41-generic/sunxi-d1s-t113.dtsi
Precompiling all sources in build root into 6.8.0-41-generic build directory
Processing sun20i-d1-mangopi-mq-pro.dts to 6.8.0-41-generic/sun20i-d1-mangopi-mq-pro.dts
my-project-mqpro.dts -> 6.8.0-41-generic/my-project-mqpro.dts
sun20i-d1-mangopi-mq-pro.dts -> 6.8.0-41-generic/sun20i-d1-mangopi-mq-pro.dts
Compiling all device tree sources in 6.8.0-41-generic build directory
Compiling: 6.8.0-41-generic/sun20i-d1-mangopi-mq-pro.dts > 6.8.0-41-generic/6.8.0-41-generic-sun20i-d1-mangopi-mq-pro.dtb
6.8.0-41-generic/my-project-mqpro.dts -> 6.8.0-41-generic/6.8.0-41-generic-my-project-mqpro.dtb
6.8.0-41-generic/sun20i-d1-mangopi-mq-pro.dts -> 6.8.0-41-generic/6.8.0-41-generic-sun20i-d1-mangopi-mq-pro.dtb
```
-----------------------
@ -97,10 +99,8 @@ Compiling: 6.8.0-41-generic/sun20i-d1-mangopi-mq-pro.dts > 6.8.0-41-generic/6.8.
# Test Installing self-built DTB's
### Move dtb into the boot tree
* move the `.dtb` file into the `/boot` folder:
`sudo mv dtb-6.8.0-31-mqpro-generic /boot/dtbs`
* make a soft link in `/boot` to this:
`sudo ln -s dtbs/dtb-6.8.0-31-mqpro-generic.dtb /boot/dtb-mqpro`
* move the `.dtb` file into the `/boot` folder: `sudo mv 6.8.0-41-generic-my-project-mqpro.dtb /boot/dtbs`
* make a soft link in `/boot` to this: `sudo ln -s dtbs/6.8.0-41-generic-my-project-mqpro.dtb /boot/dtb-mqpro`
### Set up Grub to test boot the new DTB
Initially we will test the new dtb:
@ -109,7 +109,7 @@ Initially we will test the new dtb:
Find the 1st `menuentry` section (the default Ubuntu one) and edit the `devicetree` line to look like:
`devicetree /boot/dtb-mqpro`
* Reboot (`sudo reboot`) (remember the mq-pro is sloooow to reboot ;-) )
* If the reboot fails you can either attach a serial adapter to the GPIO pins and select the fallback kernel from the advanced options menu, and then restore the grub config backup once logged in.
* If the reboot fails you can either attach a serial adapter to the GPIO pins and select the fallback kernel from the advanced options menu, and then restore the grub config backup once logged in.
Or (if no serial available) remove the SD card, mount it on another computer and restore the file there.
### Quick check that we have the correct device tree!

6
build-trees/make_dtb.sh
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@ -24,13 +24,13 @@ fi
echo "Precompiling all includes in build root into $revision build directory"
for file in `ls *.dtsi`; do
echo "Processing $file to $revision/${file##*/}"
echo " $file -> $revision/${file##*/}"
cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
done
echo "Precompiling all sources in build root into $revision build directory"
for file in `ls *.dts`; do
echo "Processing $file to $revision/${file##*/}"
echo " $file -> $revision/${file##*/}"
cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
done
@ -38,6 +38,6 @@ echo "Compiling all device tree sources in $revision build directory"
cd $revision
for file in `ls *.dts`; do
out=${file/.dts/.dtb}
echo "Compiling: $revision/$file > $revision/$revision-$out"
echo " $revision/$file -> $revision/$revision-$out"
$dtc $file > $revision-$out
done