[SerialICE] Serial output on Winbond W83627HG

[Joseph Smith]

On 03/28/2011 09:04 PM, Joseph Smith wrote:
> Hello,
> I am having a hell of a time getting serial output from serialice on a
> Winbond W83627HG. I have tried everything I can think of and hoping
> someone on the list will be able to help or have suggestions.
>
> Note I do get garbage serial output:
> -----------------------------------
> Welcome to minicom 2.5
>
> OPTIONS: I18n
> Compiled on Jan 31 2011, 09:58:19.
> Port /dev/ttyS0
>
> Press CTRL-A Z for help on special keys
>
> �����������������������������������
> ----------------------------------
>
> 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.
>
On 03/28/2011 09:11 PM, Stefan Reinauer wrote:
 > 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.
 >
It is ICH4 which I am quite familiar with and yes I have that enabled:
	pci_write_config16(PCI_ADDR(0, 0x1f, 0, 0xe6), 0x300f);

Any other suggestions?

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org