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
  39
  40   PlatformInfoHob->IohSku = MmPci16(0, MC_BUS, MC_DEV, MC_FUN, PCI_DEVICE_ID_OFFSET);
  41
  42   PlatformInfoHob->IohRevision = MmPci8(0, MC_BUS, MC_DEV, MC_FUN, PCI_REVISION_ID_OFFSET);
  43
  44   //
  45   // Update ICH Type
  46   //
  47   //
  48   // Device ID
  49   //
  50   PlatformInfoHob->IchSku = PchLpcPciCfg16(PCI_DEVICE_ID_OFFSET);
  51
  52   PlatformInfoHob->IchRevision = PchLpcPciCfg8(PCI_REVISION_ID_OFFSET);
  53
  54   //
  55   //64MB
  56   //
  57   PcieLength = 0x04000000;
  58
  59   //
  60   // Don't support BASE above 4GB currently.
  61   //
  62   PlatformInfoHob->PciData.PciExpressSize     = PcieLength;
  63   PlatformInfoHob->PciData.PciExpressBase     = PcdGet64 (PcdPciExpressBaseAddress);
  64
  65   PlatformInfoHob->PciData.PciResourceMem32Base  = (UINT32) (PlatformInfoHob->PciData.PciExpressBase - RES_MEM32_MIN_LEN);
  66   PlatformInfoHob->PciData.PciResourceMem32Limit = (UINT32) (PlatformInfoHob->PciData.PciExpressBase -1);
  67
  68   PlatformInfoHob->PciData.PciResourceMem64Base   = RES_MEM64_36_BASE;
  69   PlatformInfoHob->PciData.PciResourceMem64Limit  = RES_MEM64_36_LIMIT;
  70   PlatformInfoHob->CpuData.CpuAddressWidth        = 36;
  71
  72   PlatformInfoHob->MemData.MemMir0 = PlatformInfoHob->PciData.PciResourceMem64Base;
  73   PlatformInfoHob->MemData.MemMir1 = PlatformInfoHob->PciData.PciResourceMem64Limit + 1;
  74
  75   PlatformInfoHob->PciData.PciResourceMinSecBus  = 1;  //can be changed by SystemConfiguration->PciMinSecondaryBus;
  76
  77   //
  78   // Set MemMaxTolm to the lowest address between PCIe Base and PCI32 Base.
  79   //
  80   if (PlatformInfoHob->PciData.PciExpressBase > PlatformInfoHob->PciData.PciResourceMem32Base ) {
  81     PlatformInfoHob->MemData.MemMaxTolm = (UINT32) PlatformInfoHob->PciData.PciResourceMem32Base;
  82   } else {
  83     PlatformInfoHob->MemData.MemMaxTolm = (UINT32) PlatformInfoHob->PciData.PciExpressBase;
  84   }
  85   PlatformInfoHob->MemData.MemTolm = PlatformInfoHob->MemData.MemMaxTolm;
  86
  87   //
  88   // Platform PCI MMIO Size in unit of 1MB.
  89   //
  90   PlatformInfoHob->MemData.MmioSize = 0x1000 - (UINT16)(PlatformInfoHob->MemData.MemMaxTolm >> 20);
  91
  92   //
  93   // Enable ICH IOAPIC
  94   //
  95   PlatformInfoHob->SysData.SysIoApicEnable  = ICH_IOAPIC;
  96
  97   DEBUG ((EFI_D_ERROR, "PlatformFlavor is %x (%x=tablet,%x=mobile,%x=desktop)\n",
  98     PlatformInfoHob->PlatformFlavor,
  99     FlavorTablet,
 100     FlavorMobile,
 101     FlavorDesktop));
 102
 103   //
 104   // Get Platform Info and fill the Hob.
 105   //
 106   PlatformInfoHob->RevisonId = PLATFORM_INFO_HOB_REVISION;
 107
 108   //
 109   // Get GPIO table
 110   //
 111   MultiPlatformGpioTableInit (PeiServices, PlatformInfoHob);
 112
 113   //
 114   // Program GPIO
 115   //
 116   MultiPlatformGpioProgram (PeiServices, PlatformInfoHob);
 117
 118   //
 119   // Update OemId
 120   //
 121   InitializeBoardOemId (PeiServices, PlatformInfoHob);
 122   InitializeBoardSsidSvid (PeiServices, PlatformInfoHob);
 123
 124   return EFI_SUCCESS;
 125 }