1 files changed, 114 insertions, 0 deletions
diff --git a/Silicon/AMD/Styx/Drivers/AcpiPlatformDxe/AcpiPlatform.c b/Silicon/AMD/Styx/Drivers/AcpiPlatformDxe/AcpiPlatform.c
new file mode 100644
index 0000000000..15b38bbf89
--- /dev/null
+++ b/Silicon/AMD/Styx/Drivers/AcpiPlatformDxe/AcpiPlatform.c
@@ -0,0 +1,114 @@
+/** @file
+
+  Sample ACPI Platform Driver
+
+  Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2016, AMD Inc. All rights reserved.<BR>
+
+  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.
+
+**/
+/**
+  Derived from:
+   MdeModulePkg/Universal/Acpi/AcpiPlatformDxe/AcpiPlatform.c
+**/
+
+#include <AmdStyxAcpiLib.h>
+#include <Protocol/AcpiTable.h>
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#define MAX_ACPI_TABLES    12
+
+EFI_ACPI_DESCRIPTION_HEADER *AcpiTableList[MAX_ACPI_TABLES];
+
+
+/**
+  Entrypoint of Acpi Platform driver.
+
+  @param  ImageHandle
+  @param  SystemTable
+
+  @return EFI_SUCCESS
+  @return EFI_LOAD_ERROR
+  @return EFI_OUT_OF_RESOURCES
+
+**/
+EFI_STATUS
+EFIAPI
+AcpiPlatformEntryPoint (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS                Status;
+  EFI_ACPI_TABLE_PROTOCOL   *AcpiTable;
+  UINTN                     TableHandle;
+  UINTN                     TableIndex;
+
+  ZeroMem(AcpiTableList, sizeof(AcpiTableList));
+
+  TableIndex = 0;
+  AcpiTableList[TableIndex++] = FadtTable();
+  AcpiTableList[TableIndex++] = DsdtHeader();
+  AcpiTableList[TableIndex++] = MadtHeader();
+  AcpiTableList[TableIndex++] = GtdtHeader();
+  AcpiTableList[TableIndex++] = Dbg2Header();
+  AcpiTableList[TableIndex++] = SpcrHeader();
+  AcpiTableList[TableIndex++] = McfgHeader();
+  AcpiTableList[TableIndex++] = CsrtHeader();
+  if (PcdGetBool (PcdEnableSmmus)) {
+    AcpiTableList[TableIndex++] = IortHeader();
+  }
+  AcpiTableList[TableIndex++] = NULL;
+
+  DEBUG((DEBUG_INFO, "%a(): ACPI Table installer\n", __FUNCTION__));
+
+  //
+  // Find the AcpiTable protocol
+  //
+  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID**)&AcpiTable);
+  if (EFI_ERROR (Status)) {
+    DEBUG((EFI_D_ERROR, "Failed to locate AcpiTable protocol. Status = %r\n", Status));
+    ASSERT_EFI_ERROR(Status);
+  }
+
+  TableIndex = 0;
+  while (AcpiTableList[TableIndex] != NULL) {
+    //
+    // Install ACPI table
+    //
+    DEBUG ((EFI_D_ERROR, "Installing %c%c%c%c Table (Revision %d, Length %d) ...\n",
+                          *((UINT8*)&AcpiTableList[TableIndex]->Signature),
+                          *((UINT8*)&AcpiTableList[TableIndex]->Signature + 1),
+                          *((UINT8*)&AcpiTableList[TableIndex]->Signature + 2),
+                          *((UINT8*)&AcpiTableList[TableIndex]->Signature + 3),
+                          AcpiTableList[TableIndex]->Revision,
+                          AcpiTableList[TableIndex]->Length));
+
+    Status = AcpiTable->InstallAcpiTable (
+                            AcpiTable,
+                            AcpiTableList[TableIndex],
+                            (AcpiTableList[TableIndex])->Length,
+                            &TableHandle
+                            );
+    if (EFI_ERROR (Status)) {
+      DEBUG((DEBUG_ERROR,"Error adding ACPI Table. Status = %r\n", Status));
+      ASSERT_EFI_ERROR(Status);
+    }
+    TableIndex++;
+    ASSERT( TableIndex < MAX_ACPI_TABLES );
+  }
+
+  return EFI_SUCCESS;
+}
+