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 > [email protected] > https://lists.denx.de/listinfo/u-boot >
From 169a8bd038150ba1ec830014315d5ff4dbcbf08c Mon Sep 17 00:00:00 2001 From: Patrice Chotard <[email protected]> Date: Tue, 4 Jul 2017 18:20:43 +0200 Subject: [PATCH 1/1] disable SUPPORT_SPL and SPL flags to use normal F7 U-BOOT Signed-off-by: Patrice Chotard <[email protected]> --- arch/arm/mach-stm32/Kconfig | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm/mach-stm32/Kconfig b/arch/arm/mach-stm32/Kconfig index 8f43714..3465ccd 100644 --- a/arch/arm/mach-stm32/Kconfig +++ b/arch/arm/mach-stm32/Kconfig @@ -8,8 +8,6 @@ config STM32F1 config STM32F7 bool "stm32f7 family" - select SUPPORT_SPL - select SPL select SPL_CLK select SPL_DM select SPL_DM_SEQ_ALIAS -- 1.9.1
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