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SCU FW debug output

Question asked by ravi.kohli@l3harris.com on Jul 21, 2020
Latest reply on Jul 26, 2020 by Wigros Sun

Hi,

I'm building the SC FW porting kit

/imx-scfw-porting-kit-1.5.0/packages/imx-scfw-porting-kit-1.5.0/src/scfw_export_mx8qm_b0

using the "make qm B=mek_myboard R=B0 D=1 DL=5 U=2" command to successfully generate the "build_mx8qm_b0/scfw_tcm.bin" image. I also compiled an NXP demo_app (hello_world) using "SDK_2.5.2_MEK-MIMX8QM/boards/mekmimx8qm/demo_apps/hello_world". This is under Linux.

 

Using both these files, I prepared a bootable image for the i.MX8QM EVK using imx-mkimage as follows:

"make SOC=iMX8QM flash_b0_cm4_0" and "sudo dd if=./iMX8QM/flash.bin of=/dev/<my SD device> bs=1k seek=32". The bootable image only shows the following debug on the J18 mico-usb debug console:

U-Boot SPL 2020.04-5.4.24-2.1.0+g4979a99482 (May 30 2020 - 13:01:16 +0000)
Normal Boot
WDT:   Not found!
Trying to boot from MMC2_2

 

I don't see any debug SCU prints, or bootup info. Any suggestions or info ?

 

Thanks in advance.

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