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-rw-r--r--OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c
index 1e87820e93..2521ea4e6a 100644
--- a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c
+++ b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c
@@ -870,7 +870,7 @@ PciAcpiInitialization (
PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // D
break;
case INTEL_Q35_MCH_DEVICE_ID:
- Pmba = POWER_MGMT_REGISTER_Q35 (0x40);
+ Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);
//
// 00:1f.0 LPC Bridge (Q35) LNK routing targets
//