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pc: acpi: tpm: add missing MMIO resource to PCI0._CRS

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Windows will fail initialize TMP driver with the reason:
  'device cannot find enough free resources'
That happens because parent BUS doesn't describe
MMIO resources used by TPM child device.
Fix it by describing it in top-most parent bus scope PCI0.

It was 'regressed' by commit
  5cb18b3d TPM2 ACPI table support
with following fixup
  9e472263 acpi: add missing ssdt
which did the right thing by moving TPM to BUS
it belongs to but lacked a proper resource declaration.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2016-04-08 13:23:13 +02:00 committed by Michael S. Tsirkin
parent c954f09ee5
commit 2b1c2e8e5f
1 changed files with 5 additions and 0 deletions
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5
hw/i386/acpi-build.c
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@ -2167,6 +2167,11 @@ build_dsdt(GArray *table_data, GArray *linker,
0, pci->w64.begin, pci->w64.end - 1, 0,
pci->w64.end - pci->w64.begin));
}
if (misc->tpm_version != TPM_VERSION_UNSPEC) {
aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
}
aml_append(scope, aml_name_decl("_CRS", crs));
/* reserve GPE0 block resources */