[coreboot] [PATCH] K8M890 support

[Rudolf Marek]

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Hello all,

Following patch adds K8M890 support. It initializes the AGP and graphics UMA.
The V-link setup and HT bridge is redone, because VT8237A has it in another
device. So far following combination of chipsets should work:

K8T890CE + VT8237R
K8M890 + VT8237R

I will work on "VT8237A" as next, but trying to get from VIA VT8237S datasheets.

As for the patch, some cosmetics may be needed. What I need is to check that I
did not break anything - it works for me and PCI dump looks OK too. The new part
is untested, but for example lowering total size of mem works. Other additions
are quite simple to check. Comments / suggestions welcome.

Oh and lets state: Signed-off-by: Rudolf Marek <r.marek at assembler.cz>

Thanks,
Rudolf

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