ES1000 Memory controller init question

Alex Deucher alexdeucher at
Fri Sep 16 06:04:06 PDT 2005

On 9/16/05, Cliff Brake <cliff.brake at> wrote:
> I am working on a system that has a ATI ES1000 (based on radeon)
> connected to a MIPS processor and I am trying to figure out how to
> initialize the ES1000 SDRAM memory controller.  Where is this
> typically done?  I have looked through Xserver driver code, but so far
> can't find anything.  Is this typically done with a BIOS extension on
> a x86 system or something like that?  Any pointers to code examples or
> documentation would be most appreciated as it is next to impossible to
> get documentation on this chip.
> Thanks,
> Cliff

Usually the video firmware (bios on x86 or OF on PPC) takes care of that IIRC.  


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