[LinuxBIOS] MB1030 / 3036 VGA comes up :D

Richard Smith smithbone at gmail.com
Tue May 2 18:31:04 CEST 2006

> > the cs5530 also mentioned that for an external setup some SMM trap
> > needs to be disabled.
> Can you have a second look to the cpu_setup section under
> /src/cpu/amd/model_gx1
> I have read this again and again, but for me it seems there are some
> false writings to the registers.
> However, the datasheet says, that the SMM bit can only be set, if CCR3
> is 0 or the CPU is in SMI mode.
> If I'm right, this bit is not correct set, doesn't matter default is 00
> and so there should be no SMM.
> Later CCR3 is set to 0x14 in that case there is a try to set a reserved
> bit. I'm not sure what happens in those case.
> Also there is a third write to CCR3 0xf8 for that write the SUSP_SSM_EN
> bit is set to 1 whatever this means ;)
> Datasheet page 50 - 56

I'll let Steve comment on all this before I try to wrap my head around it.

Richard A. Smith

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