STM32MP1 EMMC booting issue in U-boot.

[Navaneeth kumar]

we are working on STM32MP1 in UBOOT 2018 version .

we are trying to access the EMMC from UBOOT by using following commands in the below link

https://develop.phytec.com/phycore-imx7/linux/pd18.1.0/how-to-guides/flashing-and-booting-from-emmc

EMMC is device detecting, but while writing image into EMMC device is getting hanged.

so we are unable to write image into EMMC.

Please help us in this regards.

[Tesla DeLorean]

Is this a custom board?

Is there a mismatch between the image size and the eMMC capacity?

[Navaneeth kumar]

Hi ,

thanks for the reply.

yes, we are using stm32mp157a processor in my custom board. EMMC capacity is 8bit and image size is fine.

[PatrickF]

Hi @Navaneeth kumar​ 

The link you provided is for NXP product, not sure it will work very same for STM32MP1.

What about using CubeProgrammer ? Any messages ?

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

Populating eMMC is very similar than SD-Card, just use relevant flashlayout file.

See also https://wiki.st.com/stm32mpu/wiki/STM32CubeProgrammer

and https://wiki.st.com/stm32mpu/wiki/STM32CubeProgrammer_flashlayout#e-E2-80-A2MMC

Regards.

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