Serial console not working on EP8343M

[Kumar Gala]

On Mar 12, 2007, at 10:05 PM, Ed Swierk wrote:

> I'm having trouble getting the serial console to work on an EP8343M
> board when using U-Boot 1.2.0 to start Linux 2.6.20.1. I'm using arch
> powerpc and platform MPC834x_SYS (which is perhaps wishful thinking,
> as my board is different, although it should at least have the same
> serial port configuration).
>
> The symptoms are exactly the same as those in
> http://ozlabs.org/pipermail/linuxppc-embedded/2006-September/ 
> 024457.html:
> the console stops working after the call to console_init(). The
> suggested solution was to ensure that U-Boot is setting
> timebase-frequency, bus-frequency and clock-frequency and passing
> those properties to the kernel, and this does indeed seem to be
> happening in my case.
>
> I've attached the output from U-Boot (including a dump of the flat
> device tree), as well as my kernel config and U-Boot board settings.
> Any help would be appreciated.
>
> --Ed

Have you tried make the bootargs just console=ttyS0,115200 (or  
whatever your baud rate is)?

- k