The Linux cmdline encoded in the defconfig is wrong, the STM32 USART driver registers as ttySTM0 not ttyS0.
Signed-off-by: Patrice Chotard <patrice.chot...@foss.st.com> --- configs/stm32f746-disco_defconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig index 2d18d777a00..24bf6e6a086 100644 --- a/configs/stm32f746-disco_defconfig +++ b/configs/stm32f746-disco_defconfig @@ -18,7 +18,7 @@ CONFIG_AUTOBOOT_KEYED=y CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n" CONFIG_AUTOBOOT_STOP_STR=" " CONFIG_USE_BOOTARGS=y -CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel" +CONFIG_BOOTARGS="console=ttySTM0,115200 earlyprintk consoleblank=0 ignore_loglevel" CONFIG_DEFAULT_FDT_FILE="stm32f746-disco" CONFIG_SYS_PBSIZE=1050 # CONFIG_DISPLAY_CPUINFO is not set -- 2.25.1
