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Owen 2024-08-31 14:26:52 +02:00
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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 Compiling against headers for 6.8.0-41-generic
Creating new build directory: 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 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 sun20i-common-regulators.dtsi -> 6.8.0-41-generic/sun20i-common-regulators.dtsi
Processing sun20i-d1.dtsi to 6.8.0-41-generic/sun20i-d1.dtsi sun20i-d1.dtsi -> 6.8.0-41-generic/sun20i-d1.dtsi
Processing sun20i-d1s.dtsi to 6.8.0-41-generic/sun20i-d1s.dtsi sun20i-d1s.dtsi -> 6.8.0-41-generic/sun20i-d1s.dtsi
Processing sunxi-d1-t113.dtsi to 6.8.0-41-generic/sunxi-d1-t113.dtsi sunxi-d1-t113.dtsi -> 6.8.0-41-generic/sunxi-d1-t113.dtsi
Processing sunxi-d1s-t113.dtsi to 6.8.0-41-generic/sunxi-d1s-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 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 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 # Test Installing self-built DTB's
### Move dtb into the boot tree ### Move dtb into the boot tree
* move the `.dtb` file into the `/boot` folder: * move the `.dtb` file into the `/boot` folder: `sudo mv 6.8.0-41-generic-my-project-mqpro.dtb /boot/dtbs`
`sudo mv dtb-6.8.0-31-mqpro-generic /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`
* make a soft link in `/boot` to this:
`sudo ln -s dtbs/dtb-6.8.0-31-mqpro-generic.dtb /boot/dtb-mqpro`
### Set up Grub to test boot the new DTB ### Set up Grub to test boot the new DTB
Initially we will test 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: Find the 1st `menuentry` section (the default Ubuntu one) and edit the `devicetree` line to look like:
`devicetree /boot/dtb-mqpro` `devicetree /boot/dtb-mqpro`
* Reboot (`sudo reboot`) (remember the mq-pro is sloooow to reboot ;-) ) * 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. 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! ### 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" echo "Precompiling all includes in build root into $revision build directory"
for file in `ls *.dtsi`; do 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##*/} cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
done done
echo "Precompiling all sources in build root into $revision build directory" echo "Precompiling all sources in build root into $revision build directory"
for file in `ls *.dts`; do 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##*/} cpp -I/usr/src/linux-headers-$revision/include/ -nostdinc -undef -x assembler-with-cpp $file > $revision/${file##*/}
done done
@ -38,6 +38,6 @@ echo "Compiling all device tree sources in $revision build directory"
cd $revision cd $revision
for file in `ls *.dts`; do for file in `ls *.dts`; do
out=${file/.dts/.dtb} out=${file/.dts/.dtb}
echo "Compiling: $revision/$file > $revision/$revision-$out" echo " $revision/$file -> $revision/$revision-$out"
$dtc $file > $revision-$out $dtc $file > $revision-$out
done done