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Load/Start Cortex-M4 from TF-A or uboot ?

sja
Associate II

Is it possible to Load/Start the Cortex-M4 from TF-A or uboot ?

For our use case we want RTOS in Cortex-M4 running as soon as possible.

Well before linux finishes booting.

1 ACCEPTED SOLUTION

Accepted Solutions
PDELA.1
Associate II
2 REPLIES 2
Olivier GALLIEN
ST Employee

Hi @sja​ 

Please refer to online user guide documentation here :

https://wiki.st.com/stm32mpu/wiki/Main_Page

And for to answer your specific question :

https://wiki.st.com/stm32mpu/wiki/How_to_start_the_coprocessor_from_the_bootloader

Hope it help

Olivier

Olivier GALLIEN
In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
PDELA.1
Associate II

Possible in U-Boot, with remoterproc command, not in TF-A

https://wiki.st.com/stm32mpu/wiki/How_to_start_the_coprocessor_from_the_bootloader