Re: PCI resources above 4GB

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On Tue, Apr 10, 2012 at 12:46 PM, Steven Newbury <steve@xxxxxxxxxxxxxxx> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
>> the suitable range for that is 0xe0000000-0xefffffff. that is not
>> bigger enough, because need to preallocate 64M optional for 03:01.0
>> the cardbus. but that is optional.
>
> Maybe this is a stupid question, but is there any way of enlarging the
> PCI hole?

Sane BIOS should have one option to increase that.

or it should probe MMIO range it need to allocate for pci devices and
hotplug. then set TOP_OF_LOW_MEM.

Yinghai
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