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authorIgor Mammedov <imammedo@redhat.com>2016-04-08 13:23:13 +0200
committerTimothy Pearson <tpearson@raptorengineering.com>2019-11-29 20:03:49 -0600
commit121f52ac55cb0cb3b1cb1aa9b091d122b04e36fd (patch)
tree4f5d2b88e147409699b50c8c6e4b7b05be454ca9
parent3be910e7d645ef3c6c4b058ceccbc4daa43089b6 (diff)
downloadhqemu-121f52ac55cb0cb3b1cb1aa9b091d122b04e36fd.zip
hqemu-121f52ac55cb0cb3b1cb1aa9b091d122b04e36fd.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.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 35180ef..784870e 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 */
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