OvmfPkg/PciHostBridgeLibScan: remove QEMU (fw_cfg) support

[mirror_edk2.git] / OvmfPkg / Library / PciHostBridgeLibScan / PciHostBridgeLib.c

diff --git a/OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLib.c
index 6c2acc9f99bce75d04e9926dad38d6b6bcce6fd0..f0166e0f72794a2cb69c7914f770c5195b767d7a 100644 (file)
--- a/OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLib.c
+++ b/OvmfPkg/Library/PciHostBridgeLibScan/PciHostBridgeLib.c
@@ -7,20 +7,11 @@
   SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
-#include <IndustryStandard/Pci.h>                     // PCI_MAX_BUS\r
-#include <IndustryStandard/Q35MchIch9.h>              // INTEL_Q35_MCH_DEVIC...\r
-#include <Library/BaseMemoryLib.h>                    // ZeroMem()\r
-#include <Library/PcdLib.h>                           // PcdGet64()\r
-#include <Library/PciHostBridgeLib.h>                 // PCI_ROOT_BRIDGE_APE...\r
+#include <Library/PciHostBridgeLib.h>                 // PCI_ROOT_BRIDGE\r
 #include <Library/PciHostBridgeUtilityLib.h>          // PciHostBridgeUtilit...\r
-#include <Protocol/PciHostBridgeResourceAllocation.h> // EFI_PCI_HOST_BRIDGE...\r
-#include <Protocol/PciRootBridgeIo.h>                 // EFI_PCI_ATTRIBUTE_I...\r
 \r
 #include "PciHostBridge.h"\r
 \r
-STATIC PCI_ROOT_BRIDGE_APERTURE mNonExistAperture = { MAX_UINT64, 0 };\r
-\r
-\r
 /**\r
   Return all the root bridge instances in an array.\r
 \r
@@ -36,57 +27,7 @@ PciHostBridgeGetRootBridges (
   UINTN *Count\r
   )\r
 {\r
-  UINT64               Attributes;\r
-  UINT64               AllocationAttributes;\r
-  PCI_ROOT_BRIDGE_APERTURE Io;\r
-  PCI_ROOT_BRIDGE_APERTURE Mem;\r
-  PCI_ROOT_BRIDGE_APERTURE MemAbove4G;\r
-\r
-  if (PcdGetBool (PcdPciDisableBusEnumeration)) {\r
-    return ScanForRootBridges (Count);\r
-  }\r
-\r
-  ZeroMem (&Io, sizeof (Io));\r
-  ZeroMem (&Mem, sizeof (Mem));\r
-  ZeroMem (&MemAbove4G, sizeof (MemAbove4G));\r
-\r
-  Attributes = EFI_PCI_ATTRIBUTE_IDE_PRIMARY_IO |\r
-    EFI_PCI_ATTRIBUTE_IDE_SECONDARY_IO |\r
-    EFI_PCI_ATTRIBUTE_ISA_IO_16 |\r
-    EFI_PCI_ATTRIBUTE_ISA_MOTHERBOARD_IO |\r
-    EFI_PCI_ATTRIBUTE_VGA_MEMORY |\r
-    EFI_PCI_ATTRIBUTE_VGA_IO_16 |\r
-    EFI_PCI_ATTRIBUTE_VGA_PALETTE_IO_16;\r
-\r
-  AllocationAttributes = EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM;\r
-  if (PcdGet64 (PcdPciMmio64Size) > 0) {\r
-    AllocationAttributes |= EFI_PCI_HOST_BRIDGE_MEM64_DECODE;\r
-    MemAbove4G.Base = PcdGet64 (PcdPciMmio64Base);\r
-    MemAbove4G.Limit = PcdGet64 (PcdPciMmio64Base) +\r
-                       PcdGet64 (PcdPciMmio64Size) - 1;\r
-  } else {\r
-    CopyMem (&MemAbove4G, &mNonExistAperture, sizeof (mNonExistAperture));\r
-  }\r
-\r
-  Io.Base = PcdGet64 (PcdPciIoBase);\r
-  Io.Limit = PcdGet64 (PcdPciIoBase) + (PcdGet64 (PcdPciIoSize) - 1);\r
-  Mem.Base = PcdGet64 (PcdPciMmio32Base);\r
-  Mem.Limit = PcdGet64 (PcdPciMmio32Base) + (PcdGet64 (PcdPciMmio32Size) - 1);\r
-\r
-  return PciHostBridgeUtilityGetRootBridges (\r
-    Count,\r
-    Attributes,\r
-    AllocationAttributes,\r
-    FALSE,\r
-    PcdGet16 (PcdOvmfHostBridgePciDevId) != INTEL_Q35_MCH_DEVICE_ID,\r
-    0,\r
-    PCI_MAX_BUS,\r
-    &Io,\r
-    &Mem,\r
-    &MemAbove4G,\r
-    &mNonExistAperture,\r
-    &mNonExistAperture\r
-    );\r
+  return ScanForRootBridges (Count);\r
 }\r
 \r
 \r