[coreboot] [PATCH] fix K8M890

[Rudolf Marek]

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Hello all,

Here comes some updated patch:

 Attached patch fixes at least one issue ;) During the PCI BAR sizing must be the
 D1F0 bridge without activated I/O and MEM resources, otherwise it will hang
 whole PCI bus.

 U-boot is also disabling the IO/MEM decode when sizing the BARs, dont know why
 does we not.

 Second small change just changes a bit which controls the PSTATECTL logic.

 Third change deals with the integrated VGA, which needs to be enabled early,
 so the VGA_EN is set along the bridges, and PCI K8 resource maps are set
 correctly. Finally the CPU accessible framebuffer is now disabled as it is not
 needed.

 Signed-off-by: Rudolf Marek <r.marek at assembler.cz>

Rudolf
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