[SerialICE] Serial output on Winbond W83627HG

Stefan Reinauer stefan.reinauer at coreboot.org
Tue Mar 29 03:11:05 CEST 2011


* Joseph Smith <joe at smittyland.org> [110329 02:33]:
> Normally when you get garbage output is is because the baudrates are
> wrong, but both of my baudrates are 115200 in serialice and host PC.
> Also the serial console works fine with vendor bios and Linux.
> 
> Things I have tried:
> Tried changing from COM1 to COM2, still garbage output.
> Tried adding port 0x80 posts and it gets all the way through the
> mainboard code.
> Tried changing SuperIO config port from 0x2e to the alternate 0x4e
> (no output at all).
> Tried changing CLK from 48Mhz to 24Mhz (no output at all).
> 
> Attached is my mainboard config and superiotool output, please take
> a look and see if there is anything you could suggest. Thanks in
> advance.
 
Have you checked that you enable 2e LPC decoding before you actually try
to configure the SuperIO? Otherwise your frequency switch will never be sent
to the SuperIO.

On ICH7 that register is called LPC_EN. Not sure what system you are
using.

Stefan





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