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STM32MP157C custom machine dts compile error

EButl.1
Associate II

‎2020-09-28 09:08 AM

So I got the basic yocto build working for the STM32MP157C-DK2 and have been able to modify it to add/ remove/ modify features without any problems both st-image-core and st-image-weston.

Then I come to do a custom machine and add it to the build by following:

https://wiki.st.com/stm32mpu/index.php/How_to_create_your_own_machine

This build runs until I get the following error:

arch/arm/dts/.stm32mp1-test.dtb.pre.tmp:14:10: fatal error: stm32mp157.dtsi: No such file or directory

| #include "stm32mp157.dtsi"

|          ^~~~~~~~~~~~~~~~~

| compilation terminated.

I have a feeling I have missed something simple but any advice greatly appreciated.

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7 REPLIES 7
Olivier GALLIEN
ST Employee

‎2020-09-29 05:09 AM

Hi @EButl.1​ ,

Could you please confirm you are using a complete and consistant ecosystem V2.0 delivery ?

Complete trace of Yocto build may help to analyze the issue.

Olivier

Olivier GALLIEN
In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
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EButl.1
Associate II

‎2020-09-30 12:48 AM

So this is the script that I run for setting up the build

repo init -u https://github.com/STMicroelectronics/oe-manifest.git -b refs/tags/openstlinux-4.19-thud-mp1-19-10-09

repo sync

cd layers/meta-openembedded ; git checkout thud

cd ../meta-qt5 ; git checkout thud

cd ../meta-st/meta-st-openstlinux ; git checkout thud

cd ../meta-st-stm32mp ; git checkout thud

cd ../meta-st-stm32mp-addons ; git checkout thud

cd ../../meta-timesys ; git checkout thud

cd ../openembedded-core ; git checkout thud

cd bitbake ; git checkout 1.40

cd ../..

cp -r ../../../../meta-my-test-layer .

cd ../

mkdir git-repos

cd git-repos

git clone https://github.com/STMicroelectronics/STM32CubeMP1.git STM32CubeMP1.git

git clone https://github.com/STMicroelectronics/linux.git linux.git

cd ..

DISTRO=openstlinux-weston MACHINE=stm32mp1-test source layers/meta-st/scripts/envsetup.sh

bitbake st-image-weston

################################################################################################

The stm32mp1-test.conf is below:

#@TYPE: Machine

#@NAME: stm32mp1-test

#@DESCRIPTION: Configuration for STM32CubeMX generated project

#@NEEDED_BSPLAYERS: layers/meta-openembedded/meta-oe layers/meta-openembedded/meta-python

include conf/machine/include/st-machine-common-stm32mp.inc

include conf/machine/include/stm32mp1-mx-config.inc

include conf/machine/include/stm32mp1-mx-extlinux-config.inc

include conf/machine/include/stm32mp1-mx-common.inc

#require conf/machine/include/st-machine-common-stm32mp.inc

#require conf/machine/include/stm32mp1-mx-common.inc

# =========================================================================

# CubeMX extra config

# =========================================================================

# Set specific path by components for DT file location

CUBEMX_DTB_PATH_TFA    = "${STM32MP_MX_BASE}/mx/${CUBEMX_PROJECT}/tf-a"

CUBEMX_DTB_PATH_UBOOT  = "${STM32MP_MX_BASE}/mx/${CUBEMX_PROJECT}/u-boot"

CUBEMX_DTB_PATH_LINUX  = "${STM32MP_MX_BASE}/mx/${CUBEMX_PROJECT}/kernel"

#CUBEMX_DTB_PATH_OPTEEOS = "${STM32MP_MX_BASE}/mx/${CUBEMX_PROJECT}/optee-os"

# =========================================================================

# User customizing sections

# =========================================================================

# Override machine specific OPTEE config with generic DK2 one

#OPTEE_CONF = "stm32mp157c-dk2"

# Boot Scheme

# =========================================================================

# DISCO / EVAL : basic, trusted or optee

# =========================================================================

#BOOTSCHEME_LABELS += "basic"

#BOOTSCHEME_LABELS += "trusted"

BOOTSCHEME_LABELS += "optee"

# Boot Device Choice

# =========================================================================

# DISCO : sdcard

# EVAL : sdcard, emmc, nand-4-256, nor-sdcard, nor-emmc or nor-nand-4-256

# =========================================================================

# Define the boot device supported

BOOTDEVICE_LABELS += "sdcard"

# WARNING: configs below are only available with EVAL board

#BOOTDEVICE_LABELS += "emmc"

#BOOTDEVICE_LABELS += "nand-4-256"

#BOOTDEVICE_LABELS += "nor-emmc"

#BOOTDEVICE_LABELS += "nor-nand-4-256"

# Board Type Choice

# =========================================================================

# DISCO : stm32mp157a-dk1 or stm32mp157c-dk2

# EVAL : stm32mp157c-ev1

# =========================================================================

# Define the board reference devicetree name

# WARNING: only one setting allowed

#CUBEMX_BOARD_REFERENCE = "stm32mp157a-dk1"

CUBEMX_BOARD_REFERENCE = "stm32mp157c-dk2"

#CUBEMX_BOARD_REFERENCE = "stm32mp157c-ev1"

# CubeMX Project Config

# =========================================================================

# Assign CubeMX Board devicetree and project path name

CUBEMX_DTB = "stm32mp1-test"

CUBEMX_PROJECT = "../../../../../../../stm32mp1-test/CA7/DeviceTree/stm32mp1-test"

###################################################################################################

All of the missing files are in the https://github.com/STMicroelectronics/linux.git repo but I'm not sure where I should make that reference/ include or should they be downloaded automatically?

I also tried copying the missing file but it has it's own dependencies that are required

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EButl.1
Associate II

‎2020-09-30 12:52 AM

Also the installed ecosystem is STM32MP15-Ecosystem-v1.2.0

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Olivier GALLIEN
ST Employee

‎2020-09-30 12:54 AM

Hi @EButl.1​ 

A possible issue is that you are using STM32CubeMX V6.0.x to generate your Device Tree which are only compliant with Ecosystem V2.0.

>> repo init -u https://github.com/STMicroelectronics/oe-manifest.git -b refs/tags/openstlinux-4.19-thud-mp1-19-10-09

This is the quite old V1.1 ecosystem Distribution !?

For compatibility you may need to use STM32CubeMX V5.4 !

Please check-out :

https://wiki.st.com/stm32mpu-ecosystem-v1/wiki/STM32MP15_ecosystem_release_note_-_v1.1.0#STM32CubeMX

Olivier

Olivier GALLIEN
In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
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Olivier GALLIEN
ST Employee
In response to EButl.1

‎2020-09-30 12:58 AM

Strange, Ecosystem V1.2 would have mean :

Openstlinux-20-02-19 not openstlinux-4.19-thud-mp1-19-10-09 you mention in above comment.

Olivier

Olivier GALLIEN
In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
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EButl.1
Associate II

‎2020-10-13 12:51 AM

Hi,

You were right about the revisions. It turned out that the dts' were produced with ecosystem 2.0 and were incompatible with the 4.9.

I moved over to the 5.4 Dunfell branch and was able to generate the dtbs.

I did notice that even when building a default image that build does not work straight out of the box, I'll get a few notes up here once I have have done a couple of clean builds and am happy it is working.

Thanks again.

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EButl.1
Associate II

‎2020-10-14 03:09 AM

So as promised a brief description on building the basic image with 5.4

(taken from a bash file I use to build it)

mkdir bin

PATH=$PWD/bin:$PATH

curl https://storage.googleapis.com/git-repo-downloads/repo > bin/repo

chmod a+x bin/repo

mkdir testBuild

cd testBuild

mkdir yocto

cd yocto

repo init -u https://github.com/STMicroelectronics/oe-manifest.git -b refs/tags/openstlinux-5.4-dunfell-mp1-20-06-24

repo sync

cd layers/meta-openembedded ; git checkout dunfell

cd ../meta-qt5 ; git checkout dunfell

cd ../meta-st/meta-st-openstlinux ; git checkout dunfell

cd ../meta-st-stm32mp ; git checkout dunfell

cd ../meta-st-stm32mp-addons ; git checkout dunfell

cd ../../meta-timesys ; git checkout dunfell

cd ../openembedded-core ; git checkout dunfell

cd bitbake ; git checkout 1.46

cd ../..

cp -r ../../../../meta-my-test-layer .

cd ../

# These were breaking the build

rm layers/meta-st/meta-st-openstlinux/recipes-multimedia/v4l2apps/v4l-utils_1.18.0.bbappend

rm layers/meta-st/meta-st-stm32mp/recipes-graphics/drm/libdrm_2.4.100.bbappend

# End

############################

I then needed to create a bbappend for linux-stm32mp_5.4.bb in my layer

BB_STRICT_CHECKSUM = "0"

It was a hacky work around and I need to find the md5 for the linux.tar it was faulting on.

Then call the standard:

DISTRO=openstlinux-weston MACHINE=stm32mp1 source layers/meta-st/scripts/envsetup.sh

bitbake-layers add-layer ../layers/meta-my-test-layer/

bitbake st-image-weston

This gives me an image I can deploy on the dk2 but using my own dts is a really painful process around the optee where I had to copy lots of files by hand to make it work. I'm trying to modify the recipes so this is an automated process and will report back when I get a robust solution

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