1 files changed, 136 insertions, 0 deletions
diff --git a/Platform/Intel/PurleyOpenBoardPkg/Policy/Library/SiliconPolicyInitLib/SiliconPolicyInitLib.c b/Platform/Intel/PurleyOpenBoardPkg/Policy/Library/SiliconPolicyInitLib/SiliconPolicyInitLib.c
new file mode 100644
index 0000000000..429bda6ae4
--- /dev/null
+++ b/Platform/Intel/PurleyOpenBoardPkg/Policy/Library/SiliconPolicyInitLib/SiliconPolicyInitLib.c
@@ -0,0 +1,136 @@
+/** @file
+
+Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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 <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PchPolicyLib.h>
+
+/**
+  Performs silicon pre-mem policy initialization.
+
+  The meaning of Policy is defined by silicon code.
+  It could be the raw data, a handle, a PPI, etc.
+
+  The returned data must be used as input data for SiliconPolicyDonePreMem(),
+  and SiliconPolicyUpdateLib.SiliconPolicyUpdatePreMem().
+
+  1) In FSP path, the input Policy should be FspmUpd.
+  Value of FspmUpd has been initialized by FSP binary default value.
+  Only a subset of FspmUpd needs to be updated for different silicon sku.
+  The return data is same FspmUpd.
+
+  2) In non-FSP path, the input policy could be NULL.
+  The return data is the initialized policy.
+
+  @param[in, out] Policy       Pointer to policy.
+
+  @return the initialized policy.
+**/
+VOID *
+EFIAPI
+SiliconPolicyInitPreMem (
+  IN OUT VOID *Policy OPTIONAL
+  )
+{
+  EFI_STATUS                    Status;
+  PCH_POLICY_PPI               *PchPolicyPpi;
+
+  //
+  // Call PchCreatePolicyDefaults to initialize platform policy structure
+  // and get all intel default policy settings.
+  //
+  Status = PchCreatePolicyDefaults (&PchPolicyPpi);
+  ASSERT_EFI_ERROR (Status);
+
+  return PchPolicyPpi;
+}
+
+/*
+  The silicon pre-mem policy is finalized.
+  Silicon code can do initialization based upon the policy data.
+
+  The input Policy must be returned by SiliconPolicyInitPreMem().
+  
+  @param[in] Policy       Pointer to policy.
+
+  @retval RETURN_SUCCESS The policy is handled consumed by silicon code.
+*/
+RETURN_STATUS
+EFIAPI
+SiliconPolicyDonePreMem (
+  IN VOID *Policy
+  )
+{
+  EFI_STATUS                    Status;
+
+  //
+  // Install PchPolicyPpi.
+  // While installed, RC assumes the Policy is ready and finalized. So please
+  // update and override any setting before calling this function.
+  //
+  Status = PchInstallPolicyPpi (Policy);
+  ASSERT_EFI_ERROR (Status);
+
+  return Status;
+}
+
+/**
+  Performs silicon post-mem policy initialization.
+
+  The meaning of Policy is defined by silicon code.
+  It could be the raw data, a handle, a PPI, etc.
+
+  The returned data must be used as input data for SiliconPolicyDonePostMem(),
+  and SiliconPolicyUpdateLib.SiliconPolicyUpdatePostMem().
+
+  1) In FSP path, the input Policy should be FspsUpd.
+  Value of FspsUpd has been initialized by FSP binary default value.
+  Only a subset of FspsUpd needs to be updated for different silicon sku.
+  The return data is same FspsUpd.
+
+  2) In non-FSP path, the input policy could be NULL.
+  The return data is the initialized policy.
+
+  @param[in, out] Policy       Pointer to policy.
+
+  @return the initialized policy.
+**/
+VOID *
+EFIAPI
+SiliconPolicyInitPostMem (
+  IN OUT VOID *Policy OPTIONAL
+  )
+{
+  return Policy;
+}
+
+/*
+  The silicon post-mem policy is finalized.
+  Silicon code can do initialization based upon the policy data.
+
+  The input Policy must be returned by SiliconPolicyInitPostMem().
+  
+  @param[in] Policy       Pointer to policy.
+
+  @retval RETURN_SUCCESS The policy is handled consumed by silicon code.
+*/
+RETURN_STATUS
+EFIAPI
+SiliconPolicyDonePostMem (
+  IN VOID *Policy
+  )
+{
+  return RETURN_SUCCESS;
+}
+\ No newline at end of file