1 files changed, 123 insertions, 0 deletions
diff --git a/Silicon/Socionext/SynQuacer/Library/SynQuacerPlatformPeiLib/SynQuacerPlatformPeiLib.c b/Silicon/Socionext/SynQuacer/Library/SynQuacerPlatformPeiLib/SynQuacerPlatformPeiLib.c
new file mode 100644
index 0000000000..358dd5a91f
--- /dev/null
+++ b/Silicon/Socionext/SynQuacer/Library/SynQuacerPlatformPeiLib/SynQuacerPlatformPeiLib.c
@@ -0,0 +1,123 @@
+/** @file
+*
+*  Copyright (c) 2011-2014, ARM Limited. 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 <PiPei.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Platform/DramInfo.h>
+#include <Ppi/DramInfo.h>
+#include <Ppi/MemoryDiscovered.h>
+
+STATIC
+CONST DRAM_INFO *mDramInfo = (VOID *)(UINTN)FixedPcdGet64 (PcdDramInfoBase);
+
+/**
+  Retrieve the number of discontiguous DRAM regions
+
+  @param[out] RegionCount       The number of available DRAM regions
+
+  @retval EFI_SUCCESS           The data was successfully returned.
+  @retval EFI_INVALID_PARAMETER RegionCount == NULL
+
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+GetDramRegionCount (
+  OUT   UINTN                 *RegionCount
+  )
+{
+  if (RegionCount == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  *RegionCount = mDramInfo->NumRegions;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Retrieve the base and size of a DRAM region
+
+  @param[in]  RegionIndex       The 0-based index of the region to retrieve
+  @param[out] Base              The base of the requested region
+  @param[out] Size              The size of the requested region
+
+  @retval EFI_SUCCESS           The data was successfully returned.
+  @retval EFI_INVALID_PARAMETER Base == NULL or Size == NULL
+  @retval EFI_NOT_FOUND         No region exists with index >= RegionIndex
+
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+GetDramRegion (
+  IN    UINTN                 RegionIndex,
+  OUT   UINT64                *Base,
+  OUT   UINT64                *Size
+  )
+{
+  if (Base == NULL || Size == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (RegionIndex >= mDramInfo->NumRegions) {
+    return EFI_NOT_FOUND;
+  }
+
+  *Base = mDramInfo->Entry[RegionIndex].Base;
+  *Size = mDramInfo->Entry[RegionIndex].Size;
+
+  return EFI_SUCCESS;
+}
+
+STATIC SYNQUACER_DRAM_INFO_PPI mDramInfoPpi = {
+  GetDramRegionCount,
+  GetDramRegion
+};
+
+STATIC CONST EFI_PEI_PPI_DESCRIPTOR mDramInfoPpiDescriptor = {
+  EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
+  &gSynQuacerDramInfoPpiGuid,
+  &mDramInfoPpi
+};
+
+EFI_STATUS
+EFIAPI
+PlatformPeim (
+  VOID
+  )
+{
+  EFI_STATUS      Status;
+
+  ASSERT (mDramInfo->NumRegions > 0);
+
+  //
+  // Record the first region into PcdSystemMemoryBase and PcdSystemMemorySize.
+  // This is the region we will use for UEFI itself.
+  //
+  Status = PcdSet64S (PcdSystemMemoryBase, mDramInfo->Entry[0].Base);
+  ASSERT_EFI_ERROR (Status);
+
+  Status = PcdSet64S (PcdSystemMemorySize, mDramInfo->Entry[0].Size);
+  ASSERT_EFI_ERROR (Status);
+
+  BuildFvHob (FixedPcdGet64 (PcdFvBaseAddress), FixedPcdGet32 (PcdFvSize));
+
+  return PeiServicesInstallPpi (&mDramInfoPpiDescriptor);
+}