[OpenBIOS] Re: [fb-d] Current States of LinuxBios on SiS 630

[Ollie Lho]

Jeff Garzik wrote:
> 
> 
> >         Finally, could you please put your source to the FreeBIOS CVS ??
> > Usually we are unsure if our version matches yours, you know, things like
> > this make a lot of trouble.
> 
> Let me know if any SIS engineers need CVS commit permissions.  Ronald
> and Johan (original STPC BIOS author) already have CVS commit
> permission.
> 

Please put me (ollie at sis.com.tw) and K.M. (kmliu at sis.com.tw) on the list.

> > P.S. Jeff, could you review the sisfb for us ?? What are we missing from the
> > driver for this special purpose ??
> 
> I'm not sure about the oops yet, but with respect to VGA BIOS init:
> I've been looking through it already to see if I can get the 6326 card
> going with sisfb.
> 
> The main thing that appears to be missing is memory configuration.  Just
> like linuxbios and DRAM init, the video card's memory timings must be
> setup, and video memory sized.  There are many parallels between what a
> VGA BIOS does to initialize a video card, and what a PC BIOS does to
> initialize a PC.
> 

For intergated VGA in SiS 630:

	dram timming of VGA == dram timming of System
	dram sizing of VGS == How much you want, you get it.

> Beyond that, there may be other differences which are not immediately
> apparent from my reading of the specs.  For example VGA emulation mode
> may need to be initialized before VGA registers/functions work at all.
> 

What ?? Could you be more specific ??

Ollie
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