[FAQ] TDA4VM: MCUSW demo on CAN along side Linux on A72

Patches

You can use the attached patch set on MCUSW and LINUX.

0358.integrated_demos.zip

Additional to the above patches, in case you have MCAN (or MCU MCAN) enabled in Linux, please disable that as well.

Note: The above patches are on top of SDK7.1.

Steps

Instructions to apply patches and run MCU1_0 firmware for CAN:

1. Apply patches on MCUSW
1.1 cd mcusw/
1.2 git init
1.3 git add .
1.4 git commit -sm "first commit"
1.5 git am 0001-mcu2_1-can_profile_app-make-changes-to-load-from-u-b.patch
1.6 git am 0002-mcu1_0-can_profile_app-make-changes-to-load-from-R5-.patch

2. Rebuild can_profile_app
2.1 cd mcusw/build/
2.2 make can_profile_app BUILD_OS_TYPE=tirtos CORE=mcu1_0

3. Apply the patch on LINUX
3.1 cd linux-repo
3.2 git am 0001-arm64-dts-k3-j721e-common-proc-board-Disable-MCU-UAR.patch
3.3 git am 0002-arm64-dts-k3-j721e-common-proc-board-Disable-mcu_mca.patch

4. Rebuild LINUX DTB and replace in SD card
4.1 cd PSDKLA_INTALL_PATH
4.2 make linux-dtbs
4.3 replace the new k3-j721e-common-proc-board.dtb in SD card rootfs/boot/

5. Modify the UBOOT_DM parameter (Read https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/latest/exports/docs/psdk_rtos/docs/user_guide/developer_notes_mcu1_0_sysfw.html developer note for why this is needed)
5.1 cd PSDKLA_INTALL_PATH
5.2 vi Makefile
5.3 modify UBOOT_DM to point to can_profile_app_mcu1_0_realease_strip.xer5f

6. Rebuild SPL and u-boot
6.1 cd PSDKLA_INTALL_PATH
6.2 make u-boot-r5_clean
6.3 make u-boot-a72_clean
6.4 make u-boot-r5
6.5 u-boot-a72
6.6 Replace the tiboot3.bin, tispl.bin and u-boot.img in the SD card BOOT/

7. Copy the MCU1_0 firmware in the rootfs/lib/firmware
7.1 cp mcusw/binary/can_profile_app/bin/j721e_evm/can_profile_app_mcu1_0_realease.xer5f  SD_CARD/rootfs/lib/firmware/j7-mcu-r5f0_0-fw

8. Test with SD boot

Regards,

Karan

Patches for SDK7.3:

integrated_demos_SDK_7_3.zip

Regards,

Karan

Patches for SDK8.2

integrated_demos_SDK_8_2.zip

System

• MCU R5F: can_profile_app
• A72: Linux
• Other cores: SDK8.2 default firmwares

Steps

1. Apply patches on MCUSW
1.1 cd mcusw/
1.2 git init
1.3 git add .
1.4 git commit -sm "first commit"
1.5 git am <PATH_TO_PATCHES>/MCUSW/*

2. Rebuild can_profile_app
2.1 cd mcusw/build/
2.2 make can_profile_app BUILD_OS_TYPE=tirtos CORE=mcu1_0

3. Apply the patch on LINUX
3.1 cd linux-repo
3.2 git am <PATH_TO_PATCHES>/LINUX/*

4. Rebuild LINUX DTB and replace in SD card
4.1 cd PSDKLA_INTALL_PATH
4.2 make linux-dtbs
4.3 replace the new k3-j721e-common-proc-board.dtb in SD card rootfs/boot/

5. Modify the UBOOT_DM parameter (Read https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/latest/exports/docs/psdk_rtos/docs/user_guide/developer_notes_mcu1_0_sysfw.html developer note for why this is needed)
5.1 cd PSDKLA_INTALL_PATH
5.2 vi Makefile
5.3 modify UBOOT_DM to point to can_profile_app_mcu1_0_realease_strip.xer5f

6. Rebuild SPL and u-boot
6.1 cd PSDKLA_INTALL_PATH
6.2 make u-boot_clean
6.3 make u-boot
6.4 Replace the tispl.bin in the SD card's FAT32 partition (boot/)

7. Copy the MCU1_0 firmware in the rootfs/lib/firmware
7.1 cp mcusw/binary/can_profile_app/bin/j721e_evm/can_profile_app_mcu1_0_realease.xer5f  SD_CARD/rootfs/lib/firmware/j7-mcu-r5f0_0-fw

8. Test with SD boot

Regards

Karan