QuarkPlatformPkg/Platform/Pei/PlatformConfig/PlatformConfigPei.c

   1 /** @file
   2 Principle source module for Clanton Peak platform config PEIM driver.
   3
   4 Copyright (c) 2013 Intel Corporation.
   5
   6 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #include <PiPei.h>
  17 #include <Library/IntelQNCLib.h>
  18 #include <Library/PlatformHelperLib.h>
  19 #include <Library/QNCAccessLib.h>
  20
  21 VOID
  22 EFIAPI
  23 LegacySpiProtect (
  24   VOID
  25   )
  26 {
  27   UINT32  RegVal;
  28
  29   RegVal = PcdGet32 (PcdLegacyProtectedBIOSRange0Pei);
  30   if (RegVal != 0) {
  31     PlatformWriteFirstFreeSpiProtect (
  32       RegVal,
  33       0,
  34       0
  35       );
  36   }
  37   RegVal = PcdGet32 (PcdLegacyProtectedBIOSRange1Pei);
  38   if (RegVal != 0) {
  39     PlatformWriteFirstFreeSpiProtect (
  40       RegVal,
  41       0,
  42       0
  43       );
  44   }
  45   RegVal = PcdGet32 (PcdLegacyProtectedBIOSRange2Pei);
  46   if (RegVal != 0) {
  47     PlatformWriteFirstFreeSpiProtect (
  48       RegVal,
  49       0,
  50       0
  51       );
  52   }
  53
  54   //
  55   // Make legacy SPI READ/WRITE enabled if not a secure build
  56   //
  57   LpcPciCfg32And (R_QNC_LPC_BIOS_CNTL, ~B_QNC_LPC_BIOS_CNTL_BIOSWE);
  58 }
  59
  60 /** PlatformConfigPei driver entry point.
  61
  62   Platform config in PEI stage.
  63
  64   @param[in]       FfsHeader    Pointer to Firmware File System file header.
  65   @param[in]       PeiServices  General purpose services available to every PEIM.
  66
  67   @retval EFI_SUCCESS           Platform config success.
  68 */
  69 EFI_STATUS
  70 EFIAPI
  71 PlatformConfigPeiInit (
  72   IN       EFI_PEI_FILE_HANDLE  FileHandle,
  73   IN CONST EFI_PEI_SERVICES     **PeiServices
  74   )
  75 {
  76   //
  77   // Do SOC Init Pre memory init.
  78   //
  79   PeiQNCPreMemInit ();
  80
  81   //
  82   // Protect areas specified by PCDs.
  83   //
  84   LegacySpiProtect ();
  85
  86   return EFI_SUCCESS;
  87 }