1 files changed, 51 insertions, 0 deletions
diff --git a/Silicon/AMD/Styx/AcpiTables/Mcfg.c b/Silicon/AMD/Styx/AcpiTables/Mcfg.c
new file mode 100644
index 0000000000..4fc18e8efc
--- /dev/null
+++ b/Silicon/AMD/Styx/AcpiTables/Mcfg.c
@@ -0,0 +1,51 @@
+/** @file
+
+  ACPI Memory mapped configuration space base address Description Table (MCFG).
+  Implementation based on PCI Firmware Specification Revision 3.0 final draft,
+  downloadable at http://www.pcisig.com/home
+
+  Copyright (c) 2014 - 2016, AMD Inc. All rights reserved.
+
+  This program and the accompanying materials are licensed and
+  made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the
+  license may be found at http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <AmdStyxAcpiLib.h>
+#include <IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h>
+
+#if STYX_A0
+#define END_PCI_BUS_NUMBER                15
+#else
+#define END_PCI_BUS_NUMBER                255
+#endif
+
+#pragma pack(push, 1)
+
+typedef struct {
+  EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER Header;
+  EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE Structure;
+} EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE;
+
+EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE AcpiMcfg = {
+  { AMD_ACPI_HEADER (EFI_ACPI_5_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
+    EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE,
+    EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION),
+    EFI_ACPI_RESERVED_QWORD },
+  { 0xF0000000ULL, 0, 0, END_PCI_BUS_NUMBER, EFI_ACPI_RESERVED_DWORD }
+};
+
+#pragma pack(pop)
+
+EFI_ACPI_DESCRIPTION_HEADER *
+McfgHeader (
+  VOID
+  )
+{
+  return &AcpiMcfg.Header.Header;
+}