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| author | Igor Mammedov <imammedo@redhat.com> | 2016-04-08 13:23:13 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-04-13 19:52:34 +0300 |
| commit | 2b1c2e8e5f1990f0a201a8cbf9d366fca60f4aa8 (patch) | |
| tree | 03e0df51e45ec195adfeeb738cef4f8482aeceb9 | |
| parent | c954f09ee5465adb03a95320e9156e2117e09603 (diff) | |
| download | qemu-2b1c2e8e5f1990f0a201a8cbf9d366fca60f4aa8.tar.gz | |
pc: acpi: tpm: add missing MMIO resource to PCI0._CRS
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>
| -rw-r--r-- | hw/i386/acpi-build.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 35180efe0c..784870ea8a 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -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 */ |