On Wed, Aug 15, 2012 at 8:59 AM, Laszlo Ersek <ler...@redhat.com> wrote:
> diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
> index ad9f4c6..8f07265 100644
> --- a/OvmfPkg/PlatformPei/Platform.c
> +++ b/OvmfPkg/PlatformPei/Platform.c
> @@ -227,9 +227,24 @@ MiscInitialization (
>
> if (!Xen) {
> //
> - // Set the PM I/O base address to 0x400
> + // The PEI phase should be exited with fully accessibe PIIX4 IO space:
> + // 1. set PMBA
> //
> - PciAndThenOr32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40), (UINT32) ~0xFFC0,
> 0x400);
> + PciAndThenOr32 (
> + PCI_LIB_ADDRESS (0, 1, 3, 0x40),
> + (UINT32) ~0xFFC0,
> + PcdGet16 (PcdPowerManagementBaseAddress)
> + );
> +
> + //
> + // 2. set PCICMD/IOSE
> + //
> + PciOr8 (PCI_LIB_ADDRESS (0, 1, 3, 0x04), 0x01);
PCI_COMMAND_OFFSET
EFI_PCI_COMMAND_IO_SPACE
-Jordan
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