Re: kernel won't boot on a Cyrix MediaGXm (Geode )

From: Ingo Molnar
Date: Wed Aug 20 2008 - 05:33:28 EST



* Samuel Sieb <samuel@xxxxxxxx> wrote:

> Ingo Molnar wrote:
>> any patch we should pick up to make your box boot?
>>
> I've looked through various datasheets and found that the GXm and GXLV
> Geode processors don't have an incrementor. I attached two patches. One
> only calls the incrementor setup for GX1 or better. The other one
> removes the incrementor setup entirely. As the incrementor value
> differs according to clock speed and we would hope that the BIOS
> configures it correctly, it is probably the better one to choose. But I
> will leave that choice up to you. Either one works for me. :-)

i went for the commit below and queued it up in tip/x86/urgent - thanks
Samuel.

what happens if the incrementor is not set up correctly by the BIOS - do
timer IRQs come incorrectly? Or dont they come at all?

Ingo

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