118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/** @file
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Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiDxe.h>
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#include <Library/PcdLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/PreSiliconEnvDetectLib.h>
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/**
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Initialize SA DXE Policy
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@param[in] ImageHandle Image handle of this driver.
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@retval EFI_SUCCESS Initialization complete.
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@retval EFI_UNSUPPORTED The chipset is unsupported by this driver.
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@retval EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver.
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@retval EFI_DEVICE_ERROR Device error, driver exits abnormally.
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**/
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EFI_STATUS
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EFIAPI
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SaPolicyInitDxe (
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IN EFI_HANDLE ImageHandle
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);
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/**
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Initialize PCH DXE Policy
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@param[in] ImageHandle Image handle of this driver.
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@retval EFI_SUCCESS Initialization complete.
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@retval EFI_UNSUPPORTED The chipset is unsupported by this driver.
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@retval EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver.
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@retval EFI_DEVICE_ERROR Device error, driver exits abnormally.
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**/
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EFI_STATUS
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EFIAPI
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PchPolicyInitDxe (
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IN EFI_HANDLE ImageHandle
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);
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/**
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Initialize GOP DXE Policy
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@param[in] ImageHandle Image handle of this driver.
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@retval EFI_SUCCESS Initialization complete.
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@retval EFI_UNSUPPORTED The chipset is unsupported by this driver.
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@retval EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver.
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@retval EFI_DEVICE_ERROR Device error, driver exits abnormally.
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**/
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EFI_STATUS
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EFIAPI
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GopPolicyInitDxe (
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IN EFI_HANDLE ImageHandle
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);
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/**
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Performs silicon late policy update.
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The meaning of Policy is defined by silicon code.
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It could be the raw data, a handle, a Protocol, etc.
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The input Policy must be returned by SiliconPolicyDoneLate().
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In FSP or non-FSP path, the board may use additional way to get
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the silicon policy data field based upon the input Policy.
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@param[in, out] Policy Pointer to policy.
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@return the updated policy.
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**/
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VOID *
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EFIAPI
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SiliconPolicyUpdateLate (
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IN OUT VOID *Policy
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE mHandle;
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//
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// Work around for separate GOP drivers (Simics and real hardware)
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//
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mHandle = NULL;
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if (IsSimicsEnvironment()) {
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//
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// Set PcdResetOnMemoryTypeInformationChange to FALSE if running under Simics
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//
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PcdSetBoolS (PcdResetOnMemoryTypeInformationChange, FALSE);
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}
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SaPolicyInitDxe (gImageHandle);
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PchPolicyInitDxe (gImageHandle);
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if (PcdGetBool (PcdIntelGopEnable)) {
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//
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// GOP Dxe Policy Initialization
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//
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Status = GopPolicyInitDxe (gImageHandle);
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RETURN_ERROR (Status);
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DEBUG ((DEBUG_INFO, "GOP Dxe Policy Initialization done\n"));
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}
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return Policy;
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}
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