[U-Boot] STM32F746 Discovery - No serial output?

Patrice CHOTARD patrice.chotard at st.com
Tue Jul 25 12:20:23 UTC 2017


Hi Francois

By default, stm32f746-disco is configured in SPL mode, that's what 
explain you don't get any output in the console

To come back in non SPL mode, you can use the attached patch.

Patrice

On 07/21/2017 10:40 PM, Francois Dugast wrote:
> Hi,
> 
> I am trying to run the master on a STM32F746 Discovery board [1] by using
> stm32f746-disco_defconfig. It was built with gcc-arm-none-eabi-5_4-2016q3
> [2] and flashed with OpenOCD [3]. A USB-serial adapter is connected to
> USART6_RX and USART6_TX (pins D0 and D1 of the Arduino connector) and
> configured for 115200 8N1. No output coming out through the serial
> interface. It is unlikely to be a hardware issue as output is coming out
> normally this way when using the U-Boot repository from Emcraft.
> 
> I do not know what I am doing wrong, can you help me out?
> 
> Cheers,
> Francois
> 
> [1] http://www.st.com/en/evaluation-tools/32f746gdiscovery.html
> [2] https://launchpad.net/gcc-arm-embedded
> [3] http://openocd.org
> [4] https://github.com/EmcraftSystems/u-boot
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> https://lists.denx.de/listinfo/u-boot
> 
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