eMMC Booting

[Sirisha]

Hi, 

I am working on STM32MP257f-EV1 evaluation board. i want boot my board from emmc i have tried through stmcube programmer from this link as provided by stwiki 
https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP2_boards/STM32MP257x-EV1/Let%27s_start/Populate_the_target_and_boot_the_image 
Even after many times i am unable to boot from emmc i have tried by giving the supply through stlink abd also through jack but i am unable to identify the usb_drd port irrespective of supply 
Can you please give me a solution for this and guide me. 

Warm regards,
Sirisha.

[PatrickF]

Hi @Sirisha 

I guess your issue is not eMMC boot but eMMC flashing (as board does not come by default with Starter Package inside eMMC).

• You should use STM32CubeProgrammer, connected to CN15
• BOOT jumper (SW1) should be all OFF to be on 'serial boot' (USB)
• Supply to either jack (CN20) or USB STLINK (CN21), with jumper set accordingly (JP4). refer to UM3359.pdf
• LD1 red led should pulse briefly (or blink continuously if USB on CN15 is not recognized)
• On CubeProgrammer, use "FlashLayout_emmc_stm32mp257f-ev1-optee.tsv"
• When flash is finished (be patient), change  BOOT jumpers for eMMC boot (refer to UM3359.pdf)
• Reset the board using B1 (or power off/on)

Please refer to this image for connector identification (or UM3359.pdf)

https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP2_boards/STM32MP257x-EV1/Let%27s_start/Unpack_the_STM32MP257x-EV1_board#Board_connections

 

If not successful, please give more details on your setup and error messages.

 

Regards.