Vlv2TbltDevicePkg/Library/MultiPlatformLib/MultiPlatformLib.c

   1 /** @file
   2   Multiplatform initialization.
   3
   4   Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
   5
   6   This program and the accompanying materials are licensed and made available under
   7   the terms and conditions of the BSD License that accompanies this distribution.
   8   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
  17 #include <MultiPlatformLib.h>
  18
  19 /**
  20   Platform Type detection. Because the PEI globle variable
  21   is in the flash, it could not change directly.So use
  22   2 PPIs to distinguish the platform type.
  23
  24   @param FfsHeader       Pointer to Firmware File System file header.
  25   @param PeiServices     General purpose services available to every PEIM.
  26
  27   @retval EFI_SUCCESS    Memory initialization completed successfully.
  28   @retval Others         All other error conditions encountered result in an ASSERT.
  29
  30 **/
  31 EFI_STATUS
  32 MultiPlatformInfoInit (
  33   IN CONST EFI_PEI_SERVICES             **PeiServices,
  34   IN OUT EFI_PLATFORM_INFO_HOB          *PlatformInfoHob
  35   )
  36 {
  37   UINT32                                PcieLength;
  38   EFI_STATUS      Status;
  39
  40
  41   PlatformInfoHob->IohSku = MmPci16(0, MC_BUS, MC_DEV, MC_FUN, PCI_DEVICE_ID_OFFSET);
  42
  43   PlatformInfoHob->IohRevision = MmPci8(0, MC_BUS, MC_DEV, MC_FUN, PCI_REVISION_ID_OFFSET);
  44
  45   //
  46   // Update ICH Type
  47   //
  48   //
  49   // Device ID
  50   //
  51   PlatformInfoHob->IchSku = PchLpcPciCfg16(PCI_DEVICE_ID_OFFSET);
  52
  53   PlatformInfoHob->IchRevision = PchLpcPciCfg8(PCI_REVISION_ID_OFFSET);
  54
  55         //
  56     //64MB
  57     //
  58     PcieLength = 0x04000000;
  59
  60   //
  61   // Don't support BASE above 4GB currently.
  62   //
  63   PlatformInfoHob->PciData.PciExpressSize     = PcieLength;
  64   PlatformInfoHob->PciData.PciExpressBase     = PcdGet64 (PcdPciExpressBaseAddress);
  65
  66   PlatformInfoHob->PciData.PciResourceMem32Base  = (UINT32) (PlatformInfoHob->PciData.PciExpressBase - RES_MEM32_MIN_LEN);
  67   PlatformInfoHob->PciData.PciResourceMem32Limit = (UINT32) (PlatformInfoHob->PciData.PciExpressBase -1);
  68
  69   PlatformInfoHob->PciData.PciResourceMem64Base   = RES_MEM64_36_BASE;
  70   PlatformInfoHob->PciData.PciResourceMem64Limit  = RES_MEM64_36_LIMIT;
  71   PlatformInfoHob->CpuData.CpuAddressWidth        = 36;
  72
  73   PlatformInfoHob->MemData.MemMir0 = PlatformInfoHob->PciData.PciResourceMem64Base;
  74   PlatformInfoHob->MemData.MemMir1 = PlatformInfoHob->PciData.PciResourceMem64Limit + 1;
  75
  76   PlatformInfoHob->PciData.PciResourceMinSecBus  = 1;  //can be changed by SystemConfiguration->PciMinSecondaryBus;
  77
  78   //
  79   // Set MemMaxTolm to the lowest address between PCIe Base and PCI32 Base.
  80   //
  81   if (PlatformInfoHob->PciData.PciExpressBase > PlatformInfoHob->PciData.PciResourceMem32Base ) {
  82     PlatformInfoHob->MemData.MemMaxTolm = (UINT32) PlatformInfoHob->PciData.PciResourceMem32Base;
  83   } else {
  84     PlatformInfoHob->MemData.MemMaxTolm = (UINT32) PlatformInfoHob->PciData.PciExpressBase;
  85   }
  86   PlatformInfoHob->MemData.MemTolm = PlatformInfoHob->MemData.MemMaxTolm;
  87
  88   //
  89   // Platform PCI MMIO Size in unit of 1MB.
  90   //
  91   PlatformInfoHob->MemData.MmioSize = 0x1000 - (UINT16)(PlatformInfoHob->MemData.MemMaxTolm >> 20);
  92
  93   //
  94   // Enable ICH IOAPIC
  95   //
  96   PlatformInfoHob->SysData.SysIoApicEnable  = ICH_IOAPIC;
  97
  98    DEBUG ((EFI_D_ERROR,  "PlatformFlavor is %x (%x=tablet,%x=mobile,%x=desktop)\n", PlatformInfoHob->PlatformFlavor,FlavorTablet,FlavorMobile,FlavorDesktop));
  99
 100     //
 101     // Get Platform Info and fill the Hob.
 102     //
 103     PlatformInfoHob->RevisonId = PLATFORM_INFO_HOB_REVISION;
 104
 105       //
 106       // Get GPIO table
 107       //
 108       Status = MultiPlatformGpioTableInit (PeiServices, PlatformInfoHob);
 109
 110       //
 111       // Program GPIO
 112       //
 113       Status = MultiPlatformGpioProgram (PeiServices, PlatformInfoHob);
 114
 115       //
 116       // Update OemId
 117       //
 118       Status = InitializeBoardOemId (PeiServices, PlatformInfoHob);
 119       Status = InitializeBoardSsidSvid (PeiServices, PlatformInfoHob);
 120
 121     return EFI_SUCCESS;
 122 }