Unable to boot my STM32MP157F-EV1 card from SD

[Yamir.1]

Hello,

I've been trying to boot my STM32MP157F-EV1 evaluation board from the SD card but I get the result that is shown in the image when using minicom. I used to work on the board for a long time with no problem, but recently I tried booting it again and this happened. I'm not sure if it's a hardware or a software problem. I made sure that the SD card is inserted correctly and that the boot switch configuration is set for SD card. I tried ping and ssh commands with the IP address but no connection is visible.

Is there a way to fix this problem? Any help would be appreciated.

[PatrickF]

Hi @Yamir.1 

Did you try flashing again the Latest Starter Package on a different SD-Card ?

https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP1_boards/STM32MP157x-EV1/Let%27s_start/Populate_the_target_and_boot_the_image

Regards.

[Yamir.1]

Hello

I tried using a different SD card but when I try to populate it by following the instructions in the link you provided the STM32CubeProgrammer fails to detect the USB port when I press the refresh button, which is the same result when doing it with the previous SD card.

I made sure that the boot switches are in the right position and to reset the board. I also made sure that I have both the OTG and ST-Link USB ports connected to my PC and that their LED indicators are on.

Best Regards,

[PatrickF]

HI @Yamir.1 

To flash the board, please try BOOT pins = 0b0000 (all switch on 'ON' side).

Is the red led (LD2) stop toggling when you connect a PC on CN16 (motherboard) ?

Could you try connecting only STLINK (CN4 of Dautherboard) and dump ROM boot traces using https://wiki.st.com/stm32mpu/wiki/STM32_MPU_ROM_trace_analyzer ?

Regards

[Yamir.1]

Hello,

Yes, the red LED does stop toggling when I connect my PC to CN16 with that BOOT pin configuration that you gave. As for dumping ROM boot traces I followed the instructions and I got the following result in my console.

However, I am still unable to connect to my board.

Best Regards,

[PatrickF]

Hi @Yamir.1 ,
To get bootrom traces decoded, you should then process the trace.bin with the python script provided in https://wiki.st.com/stm32mpu/wiki/STM32_MPU_ROM_trace_analyzer#On_STM32MP15x_lines_2

save the script provided in a rom_trace_analyzer.py file, then:

python rom_trace_analyzer.py traces.bin

Regards