Vlv2TbltDevicePkg/Library/MultiPlatformLib/MultiPlatformLib.c

   1 /** @file
   2   Multiplatform initialization.
   3
   4   Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8
   9
  10 **/
  11
  12 #include <MultiPlatformLib.h>
  13
  14 /**
  15   Platform Type detection. Because the PEI globle variable
  16   is in the flash, it could not change directly.So use
  17   2 PPIs to distinguish the platform type.
  18
  19   @param FfsHeader       Pointer to Firmware File System file header.
  20   @param PeiServices     General purpose services available to every PEIM.
  21
  22   @retval EFI_SUCCESS    Memory initialization completed successfully.
  23   @retval Others         All other error conditions encountered result in an ASSERT.
  24
  25 **/
  26 EFI_STATUS
  27 MultiPlatformInfoInit (
  28   IN CONST EFI_PEI_SERVICES             **PeiServices,
  29   IN OUT EFI_PLATFORM_INFO_HOB          *PlatformInfoHob
  30   )
  31 {
  32   UINT32 PcieLength;
  33
  34
  35   PlatformInfoHob->IohSku = MmPci16(0, MC_BUS, MC_DEV, MC_FUN, PCI_DEVICE_ID_OFFSET);
  36
  37   PlatformInfoHob->IohRevision = MmPci8(0, MC_BUS, MC_DEV, MC_FUN, PCI_REVISION_ID_OFFSET);
  38
  39   //
  40   // Update ICH Type
  41   //
  42   //
  43   // Device ID
  44   //
  45   PlatformInfoHob->IchSku = PchLpcPciCfg16(PCI_DEVICE_ID_OFFSET);
  46
  47   PlatformInfoHob->IchRevision = PchLpcPciCfg8(PCI_REVISION_ID_OFFSET);
  48
  49   //
  50   //64MB
  51   //
  52   PcieLength = 0x04000000;
  53
  54   //
  55   // Don't support BASE above 4GB currently.
  56   //
  57   PlatformInfoHob->PciData.PciExpressSize     = PcieLength;
  58   PlatformInfoHob->PciData.PciExpressBase     = PcdGet64 (PcdPciExpressBaseAddress);
  59
  60   PlatformInfoHob->PciData.PciResourceMem32Base  = (UINT32) (PlatformInfoHob->PciData.PciExpressBase - RES_MEM32_MIN_LEN);
  61   PlatformInfoHob->PciData.PciResourceMem32Limit = (UINT32) (PlatformInfoHob->PciData.PciExpressBase -1);
  62
  63   PlatformInfoHob->PciData.PciResourceMem64Base   = RES_MEM64_36_BASE;
  64   PlatformInfoHob->PciData.PciResourceMem64Limit  = RES_MEM64_36_LIMIT;
  65   PlatformInfoHob->CpuData.CpuAddressWidth        = 36;
  66
  67   PlatformInfoHob->MemData.MemMir0 = PlatformInfoHob->PciData.PciResourceMem64Base;
  68   PlatformInfoHob->MemData.MemMir1 = PlatformInfoHob->PciData.PciResourceMem64Limit + 1;
  69
  70   PlatformInfoHob->PciData.PciResourceMinSecBus  = 1;  //can be changed by SystemConfiguration->PciMinSecondaryBus;
  71
  72   //
  73   // Set MemMaxTolm to the lowest address between PCIe Base and PCI32 Base.
  74   //
  75   if (PlatformInfoHob->PciData.PciExpressBase > PlatformInfoHob->PciData.PciResourceMem32Base ) {
  76     PlatformInfoHob->MemData.MemMaxTolm = (UINT32) PlatformInfoHob->PciData.PciResourceMem32Base;
  77   } else {
  78     PlatformInfoHob->MemData.MemMaxTolm = (UINT32) PlatformInfoHob->PciData.PciExpressBase;
  79   }
  80   PlatformInfoHob->MemData.MemTolm = PlatformInfoHob->MemData.MemMaxTolm;
  81
  82   //
  83   // Platform PCI MMIO Size in unit of 1MB.
  84   //
  85   PlatformInfoHob->MemData.MmioSize = 0x1000 - (UINT16)(PlatformInfoHob->MemData.MemMaxTolm >> 20);
  86
  87   //
  88   // Enable ICH IOAPIC
  89   //
  90   PlatformInfoHob->SysData.SysIoApicEnable  = ICH_IOAPIC;
  91
  92   DEBUG ((EFI_D_ERROR, "PlatformFlavor is %x (%x=tablet,%x=mobile,%x=desktop)\n",
  93     PlatformInfoHob->PlatformFlavor,
  94     FlavorTablet,
  95     FlavorMobile,
  96     FlavorDesktop));
  97
  98   //
  99   // Get Platform Info and fill the Hob.
 100   //
 101   PlatformInfoHob->RevisonId = PLATFORM_INFO_HOB_REVISION;
 102
 103   //
 104   // Get GPIO table
 105   //
 106   MultiPlatformGpioTableInit (PeiServices, PlatformInfoHob);
 107
 108   //
 109   // Program GPIO
 110   //
 111   MultiPlatformGpioProgram (PeiServices, PlatformInfoHob);
 112
 113   //
 114   // Update OemId
 115   //
 116   InitializeBoardOemId (PeiServices, PlatformInfoHob);
 117   InitializeBoardSsidSvid (PeiServices, PlatformInfoHob);
 118
 119   return EFI_SUCCESS;
 120 }