Re: [LinuxBIOS] Problem to Support SuperIO Winbond W83977AF

> Uwe Hermann wrote:
> > On Tue, Apr 03, 2007 at 09:17:43AM +0200, [e-mail] wrote:
> > > > Without knowing which code you're using we cannot say very much. Can
> > > > you
> > > > post the full patch of the code you're trying to use?
> > >
> > > The code is attach on mail.
> >
> > Try to use the w83627hf in v2, that might work out of the box. If it
> > doesn't try to use 0x370, 0x3f0, or 0x2e in this line in auto.c:
> >
> > #define SERIAL_DEV PNP_DEV(0x3f0, W83977AF_SP1)
> >
> > Page 128 (section 9.2) of the datasheet might help if you still have
> > problems
> > afterwards...
> >
> > http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/w83977F_AF-A....
> >
> > HTH, Uwe.
>
> You may also need to do early_mtrr_init() (if it's even valid on geode)
> before trying to bring up the serial port, I had to do this on my pesky
> C3-based PCChips board.
>
> Also, grab the datasheet for the w83977tf (google should find this
> easily) if you go datasheet diving. Comparing the init sequence of the
> two chips might give you some hint as to where they differ.
>
> -Corey

I have test to use the early_mtrr_init(), no positive result. No com port
for now.

If somebody has an idea

Thanks by advance

Regards

CCases