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uClinux console problem on STM32F4

Question asked by hamed.amine on May 26, 2014
Hello,
I have been trying to port uClinux to my STM32F4-Disco board. I have successfully ported U-boot, built the uClinux image as an XIP image. 
U-boot loads the image without any problems, however after I get "starting kernel" nothing shows up next and everythings stops there.
I have enabled USART3 on uClinux menuconfig and passed "console=ttyS0,115200n8" to the kernel.

any suggestion as what might be the problem? thanks
below is an image showing the problem.
Selection_010.png

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