From 744104e24d3be42c079014b76c7a9776f2b8010d Mon Sep 17 00:00:00 2001
From: Martin Roth <martinroth@google.com>
Date: Sun, 12 Nov 2017 09:59:37 -0700
Subject: vendorcode/amd/pi: Create stoney version of amdlib

Copy the vendorcode/amd/pi/Lib directory into 00670F00 directory and
update the 00670F00 Makefile to use it instead of using the common
version.

This allows changes to stoney without affecting the rest of the AMD
binary PI platforms.

BUG=b:67299330
TEST=Build Gardenia; Build & boot kahlee

Change-Id: I2fe4303f882938e9d917a3001476213f49426455
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/22437
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/vendorcode/amd/pi/00670F00/Lib/amdlib.c        | 1419 ++++++++++++++++++++
 src/vendorcode/amd/pi/00670F00/Lib/amdlib.h        |  396 ++++++
 .../amd/pi/00670F00/Lib/imc/HwmLateService.c       |  188 +++
 src/vendorcode/amd/pi/00670F00/Lib/imc/ImcLib.c    |  314 +++++
 4 files changed, 2317 insertions(+)
 create mode 100644 src/vendorcode/amd/pi/00670F00/Lib/amdlib.c
 create mode 100644 src/vendorcode/amd/pi/00670F00/Lib/amdlib.h
 create mode 100644 src/vendorcode/amd/pi/00670F00/Lib/imc/HwmLateService.c
 create mode 100644 src/vendorcode/amd/pi/00670F00/Lib/imc/ImcLib.c

(limited to 'src/vendorcode/amd/pi/00670F00/Lib')

diff --git a/src/vendorcode/amd/pi/00670F00/Lib/amdlib.c b/src/vendorcode/amd/pi/00670F00/Lib/amdlib.c
new file mode 100644
index 0000000000..a5f6898c3f
--- /dev/null
+++ b/src/vendorcode/amd/pi/00670F00/Lib/amdlib.c
@@ -0,0 +1,1419 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * AMD Library
+ *
+ * Contains interface to the AMD AGESA library
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project:      AGESA
+ * @e sub-project:  Lib
+ * @e \$Revision: 48409 $   @e \$Date: 2011-03-08 11:19:40 -0600 (Tue, 08 Mar 2011) $
+ *
+ */
+/*
+ ******************************************************************************
+ *
+ * Copyright (c) 2008 - 2011, Advanced Micro Devices, Inc.
+ *               2013 - 2014, Sage Electronic Engineering, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ *       its contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ ******************************************************************************
+ */
+
+#include <AGESA.h>
+#include <cpuRegisters.h>
+#include <Filecode.h>
+#include <Ids.h>
+#include <Porting.h>
+#include "amdlib.h"
+CODE_GROUP (G1_PEICC)
+RDATA_GROUP (G1_PEICC)
+
+#if !defined(AMDLIB_OPTIMIZE)
+	#define AMDLIB_OPTIMIZE
+#endif
+
+#define FILECODE LIB_AMDLIB_FILECODE
+
+BOOLEAN
+STATIC
+GetPciMmioAddress (
+     OUT   UINT64            *MmioAddress,
+     OUT   UINT32            *MmioSize,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+STATIC
+LibAmdGetDataFromPtr (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       CONST VOID   *Data,
+  IN       CONST VOID   *DataMask,
+     OUT   UINT32       *TemData,
+     OUT   UINT32       *TempDataMask
+  );
+VOID
+IdsOutPort (
+  IN       UINT32 Addr,
+  IN       UINT32 Value,
+  IN       UINT32 Flag
+  );
+
+VOID
+CpuidRead (
+  IN        UINT32      CpuidFcnAddress,
+  OUT       CPUID_DATA  *Value
+  );
+
+UINT8
+ReadNumberOfCpuCores(
+  void
+  );
+
+AMDLIB_OPTIMIZE
+UINT8
+ReadIo8 (
+  IN       UINT16 Address
+  )
+{
+  return __inbyte (Address);
+}
+
+AMDLIB_OPTIMIZE
+UINT16
+ReadIo16 (
+  IN       UINT16 Address
+  )
+{
+  return __inword (Address);
+}
+
+AMDLIB_OPTIMIZE
+UINT32
+ReadIo32 (
+  IN       UINT16 Address
+  )
+{
+  return __indword (Address);
+}
+
+AMDLIB_OPTIMIZE
+VOID
+WriteIo8 (
+  IN       UINT16 Address,
+  IN       UINT8 Data
+  )
+{
+  __outbyte (Address, Data);
+}
+
+AMDLIB_OPTIMIZE
+VOID
+WriteIo16 (
+  IN       UINT16 Address,
+  IN       UINT16 Data
+  )
+{
+  __outword (Address, Data);
+}
+
+AMDLIB_OPTIMIZE
+VOID
+WriteIo32 (
+  IN       UINT16 Address,
+  IN       UINT32 Data
+  )
+{
+   __outdword (Address, Data);
+}
+
+AMDLIB_OPTIMIZE
+STATIC
+UINT64 SetFsBase (
+  UINT64 address
+  )
+{
+  UINT64 hwcr;
+  hwcr = __readmsr (0xC0010015);
+  __writemsr (0xC0010015, hwcr | 1 << 17);
+  __writemsr (0xC0000100, address);
+  return hwcr;
+}
+
+AMDLIB_OPTIMIZE
+STATIC
+VOID
+RestoreHwcr (
+  UINT64
+  value
+  )
+{
+  __writemsr (0xC0010015, value);
+}
+
+AMDLIB_OPTIMIZE
+UINT8
+Read64Mem8 (
+  IN       UINT64 Address
+  )
+{
+  UINT8 dataRead;
+  UINT64 hwcrSave;
+  if ((Address >> 32) == 0) {
+    return *(volatile UINT8 *) (UINTN) Address;
+  }
+  hwcrSave = SetFsBase (Address);
+  dataRead = __readfsbyte (0);
+  RestoreHwcr (hwcrSave);
+  return dataRead;
+}
+
+AMDLIB_OPTIMIZE
+UINT16
+Read64Mem16 (
+  IN       UINT64 Address
+  )
+{
+  UINT16 dataRead;
+  UINT64 hwcrSave;
+  if ((Address >> 32) == 0) {
+    return *(volatile UINT16 *) (UINTN) Address;
+  }
+  hwcrSave = SetFsBase (Address);
+  dataRead = __readfsword (0);
+  RestoreHwcr (hwcrSave);
+  return dataRead;
+}
+
+AMDLIB_OPTIMIZE
+UINT32
+Read64Mem32 (
+  IN       UINT64 Address
+  )
+{
+  UINT32 dataRead;
+  UINT64 hwcrSave;
+  if ((Address >> 32) == 0) {
+    return *(volatile UINT32 *) (UINTN) Address;
+  }
+  hwcrSave = SetFsBase (Address);
+  dataRead = __readfsdword (0);
+  RestoreHwcr (hwcrSave);
+  return dataRead;
+  }
+
+AMDLIB_OPTIMIZE
+VOID
+Write64Mem8 (
+  IN       UINT64 Address,
+  IN       UINT8 Data
+  )
+{
+  if ((Address >> 32) == 0){
+    *(volatile UINT8 *) (UINTN) Address = Data;
+  }
+  else {
+    UINT64 hwcrSave;
+    hwcrSave = SetFsBase (Address);
+    __writefsbyte (0, Data);
+    RestoreHwcr (hwcrSave);
+  }
+}
+
+AMDLIB_OPTIMIZE
+VOID
+Write64Mem16 (
+  IN       UINT64 Address,
+  IN       UINT16 Data
+  )
+{
+ if ((Address >> 32) == 0){
+   *(volatile UINT16 *) (UINTN) Address = Data;
+ }
+ else {
+   UINT64 hwcrSave;
+   hwcrSave = SetFsBase (Address);
+   __writefsword (0, Data);
+   RestoreHwcr (hwcrSave);
+ }
+}
+
+AMDLIB_OPTIMIZE
+VOID
+Write64Mem32 (
+  IN       UINT64 Address,
+  IN       UINT32 Data
+  )
+{
+  if ((Address >> 32) == 0){
+    *(volatile UINT32 *) (UINTN) Address = Data;
+  }
+  else {
+    UINT64 hwcrSave;
+    hwcrSave = SetFsBase (Address);
+    __writefsdword (0, Data);
+    RestoreHwcr (hwcrSave);
+  }
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdReadCpuReg (
+  IN       UINT8 RegNum,
+     OUT   UINT32 *Value
+  )
+{
+    *Value = 0;
+    switch (RegNum){
+    case CR4_REG:
+      *Value = __readcr4 ();
+      break;
+    case DR0_REG:
+      *Value = __readdr (0);
+      break;
+    case DR1_REG:
+      *Value = __readdr (1);
+      break;
+    case DR2_REG:
+      *Value = __readdr (2);
+      break;
+    case DR3_REG:
+      *Value = __readdr (3);
+      break;
+    case DR7_REG:
+      *Value = __readdr (7);
+      break;
+    default:
+      *Value = -1;
+      break;
+  }
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdWriteCpuReg (
+  IN       UINT8 RegNum,
+  IN       UINT32 Value
+  )
+{
+   switch (RegNum){
+    case CR4_REG:
+      __writecr4 (Value);
+      break;
+    case DR0_REG:
+      __writedr (0, Value);
+      break;
+    case DR1_REG:
+      __writedr (1, Value);
+      break;
+    case DR2_REG:
+      __writedr (2, Value);
+      break;
+    case DR3_REG:
+      __writedr (3, Value);
+      break;
+    case DR7_REG:
+      __writedr (7, Value);
+      break;
+    default:
+      break;
+  }
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdWriteBackInvalidateCache (
+  void
+  )
+{
+  __wbinvd ();
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdHDTBreakPoint (
+  void
+  )
+{
+  __writemsr (0xC001100A, __readmsr (0xC001100A) | 1);
+  __debugbreak (); // do you really need icebp? If so, go back to asm code
+}
+
+AMDLIB_OPTIMIZE
+UINT8
+LibAmdBitScanForward (
+  IN       UINT32 value
+  )
+{
+  UINTN Index;
+  for (Index = 0; Index < 32; Index++){
+    if (value & (1 << Index)) break;
+  }
+  return (UINT8) Index;
+}
+
+AMDLIB_OPTIMIZE
+UINT8
+LibAmdBitScanReverse (
+  IN       UINT32 value
+)
+{
+  uint8_t bit = 31;
+  do {
+    if (value & (1 << 31))
+      return bit;
+
+    value <<= 1;
+    bit--;
+
+  } while (value != 0);
+
+  return 0xFF; /* Error code indicating no bit found */
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdMsrRead (
+  IN       UINT32 MsrAddress,
+     OUT   UINT64 *Value,
+  IN OUT   AMD_CONFIG_PARAMS *ConfigPtr
+  )
+{
+  if ((MsrAddress == 0xFFFFFFFF) || (MsrAddress == 0x00000000)) {
+	  IdsErrorStop(MsrAddress);
+  }
+  *Value = __readmsr (MsrAddress);
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdMsrWrite (
+  IN       UINT32 MsrAddress,
+  IN       UINT64 *Value,
+  IN OUT   AMD_CONFIG_PARAMS *ConfigPtr
+  )
+{
+  __writemsr (MsrAddress, *Value);
+}
+
+AMDLIB_OPTIMIZE
+void LibAmdCpuidRead (
+  IN       UINT32 CpuidFcnAddress,
+     OUT   CPUID_DATA* Value,
+  IN OUT   AMD_CONFIG_PARAMS *ConfigPtr
+  )
+{
+  __cpuid ((int *)Value, CpuidFcnAddress);
+}
+
+AMDLIB_OPTIMIZE
+UINT64
+ReadTSC (
+  void
+  )
+{
+  return __rdtsc ();
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdSimNowEnterDebugger (
+  void
+  )
+{
+  STATIC CONST UINT8 opcode [] = {0x60,                             // pushad
+                                   0xBB, 0x02, 0x00, 0x00, 0x00,     // mov ebx, 2
+                                   0xB8, 0x0B, 0xD0, 0xCC, 0xBA,     // mov eax, 0xBACCD00B
+                                   0x0F, 0xA2,                       // cpuid
+                                   0x61,                             // popad
+                                   0xC3                              // ret
+                                 };
+  ((VOID (*)(VOID)) (size_t) opcode) (); // call the function
+}
+
+AMDLIB_OPTIMIZE
+VOID
+IdsOutPort (
+  IN       UINT32 Addr,
+  IN       UINT32 Value,
+  IN       UINT32 Flag
+  )
+{
+  __outdword ((UINT16) Addr, Value);
+}
+
+AMDLIB_OPTIMIZE
+VOID
+StopHere (
+  void
+  )
+{
+  VOLATILE UINTN x = 1;
+  while (x);
+}
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdCLFlush (
+  IN       UINT64 Address,
+  IN       UINT8  Count
+  )
+{
+  UINT64 hwcrSave;
+  UINT8  *address32;
+  UINTN  Index;
+  address32 = 0;
+  hwcrSave = SetFsBase (Address);
+  for (Index = 0; Index < Count; Index++){
+    _mm_mfence ();
+    _mm_clflush_fs (&address32 [Index * 64]);
+  }
+  RestoreHwcr (hwcrSave);
+}
+
+
+AMDLIB_OPTIMIZE
+VOID
+LibAmdFinit(
+  void
+  )
+{
+	/* TODO: finit */
+	__asm__ volatile ("finit");
+}
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Read IO port
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] IoAddress     IO port address
+ * @param[in] Value         Pointer to save data
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdIoRead (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+     OUT   VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  switch (AccessWidth) {
+  case AccessWidth8:
+  case AccessS3SaveWidth8:
+    *(UINT8 *) Value = ReadIo8 (IoAddress);
+    break;
+  case AccessWidth16:
+  case AccessS3SaveWidth16:
+    *(UINT16 *) Value = ReadIo16 (IoAddress);
+    break;
+  case AccessWidth32:
+  case AccessS3SaveWidth32:
+    *(UINT32 *) Value = ReadIo32 (IoAddress);
+    break;
+  default:
+    ASSERT (FALSE);
+    break;
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Write IO port
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] IoAddress     IO port address
+ * @param[in] Value         Pointer to data
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdIoWrite (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+  IN       CONST VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  switch (AccessWidth) {
+  case AccessWidth8:
+  case AccessS3SaveWidth8:
+    WriteIo8 (IoAddress, *(UINT8 *) Value);
+    break;
+  case AccessWidth16:
+  case AccessS3SaveWidth16:
+    WriteIo16 (IoAddress, *(UINT16 *) Value);
+    break;
+  case AccessWidth32:
+  case AccessS3SaveWidth32:
+    WriteIo32 (IoAddress, *(UINT32 *) Value);
+    break;
+  default:
+    ASSERT (FALSE);
+    break;
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * IO read modify write
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] IoAddress     IO address
+ * @param[in] Data          OR data
+ * @param[in] DataMask      Mask to be used before data write back to register.
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdIoRMW (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32  TempData;
+  UINT32  TempMask;
+  UINT32  Value;
+  LibAmdGetDataFromPtr (AccessWidth, Data,  DataMask, &TempData, &TempMask);
+  LibAmdIoRead (AccessWidth, IoAddress, &Value, NULL);
+  Value = (Value & (~TempMask)) | TempData;
+  LibAmdIoWrite (AccessWidth, IoAddress, &Value, NULL);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Poll IO register
+ *
+ *  Poll register until (RegisterValue & DataMask) ==  Data
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] IoAddress     IO address
+ * @param[in] Data          Data to compare
+ * @param[in] DataMask      And mask
+ * @param[in] Delay         Poll for time in 100ns (not supported)
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdIoPoll (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN       UINT64 Delay,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32  TempData;
+  UINT32  TempMask;
+  UINT32  Value;
+  LibAmdGetDataFromPtr (AccessWidth, Data,  DataMask, &TempData, &TempMask);
+  do {
+    LibAmdIoRead (AccessWidth, IoAddress, &Value, NULL);
+  } while (TempData != (Value & TempMask));
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Read memory/MMIO
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] MemAddress    Memory address
+ * @param[in] Value         Pointer to data
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdMemRead (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+     OUT   VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  switch (AccessWidth) {
+  case AccessWidth8:
+  case AccessS3SaveWidth8:
+    *(UINT8 *) Value = Read64Mem8 (MemAddress);
+    break;
+  case AccessWidth16:
+  case AccessS3SaveWidth16:
+    *(UINT16 *) Value = Read64Mem16 (MemAddress);
+    break;
+  case AccessWidth32:
+  case AccessS3SaveWidth32:
+    *(UINT32 *) Value = Read64Mem32 (MemAddress);
+    break;
+  default:
+    ASSERT (FALSE);
+    break;
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Write memory/MMIO
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] MemAddress    Memory address
+ * @param[in] Value         Pointer to data
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdMemWrite (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+  IN       CONST VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+
+  switch (AccessWidth) {
+  case AccessWidth8:
+  case AccessS3SaveWidth8:
+    Write64Mem8 (MemAddress, *((UINT8 *) Value));
+    break;
+  case AccessWidth16:
+  case AccessS3SaveWidth16:
+    Write64Mem16 (MemAddress, *((UINT16 *) Value));
+    break;
+  case AccessWidth32:
+  case AccessS3SaveWidth32:
+    Write64Mem32 (MemAddress, *((UINT32 *) Value));
+    break;
+  default:
+    ASSERT (FALSE);
+    break;
+  }
+}
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Memory/MMIO read modify write
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] MemAddress    Memory address
+ * @param[in] Data          OR data
+ * @param[in] DataMask      Mask to be used before data write back to register.
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdMemRMW (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32  TempData;
+  UINT32  TempMask;
+  UINT32  Value;
+  LibAmdGetDataFromPtr (AccessWidth, Data,  DataMask, &TempData, &TempMask);
+  LibAmdMemRead (AccessWidth, MemAddress, &Value, NULL);
+  Value = (Value & (~TempMask)) | TempData;
+  LibAmdMemWrite (AccessWidth, MemAddress, &Value, NULL);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Poll Mmio
+ *
+ *  Poll register until (RegisterValue & DataMask) ==  Data
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] MemAddress    Memory address
+ * @param[in] Data          Data to compare
+ * @param[in] DataMask      AND mask
+ * @param[in] Delay         Poll for time in 100ns (not supported)
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdMemPoll (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN       UINT64 Delay,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32  TempData = 0;
+  UINT32  TempMask = 0;
+  UINT32  Value;
+  LibAmdGetDataFromPtr (AccessWidth, Data,  DataMask, &TempData, &TempMask);
+  do {
+    LibAmdMemRead (AccessWidth, MemAddress, &Value, NULL);
+  } while (TempData != (Value & TempMask));
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Read PCI config space
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] PciAddress    Pci address
+ * @param[in] Value         Pointer to data
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdPciRead (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+     OUT   VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32 LegacyPciAccess;
+  UINT32 MMIOSize;
+  UINT64 RMWrite;
+  UINT64 RMWritePrevious;
+  UINT64 MMIOAddress;
+
+
+  ASSERT (PciAddress.AddressValue != ILLEGAL_SBDFO);
+  if (!GetPciMmioAddress (&MMIOAddress, &MMIOSize, NULL)) {
+    // We need to convert our "portable" PCI address into a "real" PCI access
+    LegacyPciAccess = ((1 << 31) + (PciAddress.Address.Register & 0xFC) + (PciAddress.Address.Function << 8) + (PciAddress.Address.Device << 11) + (PciAddress.Address.Bus << 16) + ((PciAddress.Address.Register & 0xF00) << (24 - 8)));
+    if (PciAddress.Address.Register <= 0xFF) {
+      LibAmdIoWrite (AccessWidth32, IOCF8, &LegacyPciAccess, NULL);
+      LibAmdIoRead (AccessWidth, IOCFC + (UINT16) (PciAddress.Address.Register & 0x3), Value, NULL);
+    } else {
+      LibAmdMsrRead  (NB_CFG, &RMWritePrevious, NULL);
+      RMWrite = RMWritePrevious | 0x0000400000000000;
+      LibAmdMsrWrite (NB_CFG, &RMWrite, NULL);
+      LibAmdIoWrite (AccessWidth32, IOCF8, &LegacyPciAccess, NULL);
+      LibAmdIoRead (AccessWidth, IOCFC + (UINT16) (PciAddress.Address.Register & 0x3), Value, NULL);
+      LibAmdMsrWrite (NB_CFG, &RMWritePrevious, NULL);
+    }
+    //IDS_HDT_CONSOLE (LIB_PCI_RD, "~PCI RD %08x = %08x\n", LegacyPciAccess, *(UINT32 *)Value);
+  } else {
+    // Setup the MMIO address
+    ASSERT ((MMIOAddress + MMIOSize) > (MMIOAddress + (PciAddress.AddressValue & 0x0FFFFFFF)));
+    MMIOAddress += (PciAddress.AddressValue & 0x0FFFFFFF);
+    LibAmdMemRead (AccessWidth, MMIOAddress, Value, NULL);
+    //IDS_HDT_CONSOLE (LIB_PCI_RD, "~MMIO RD %08x = %08x\n", (UINT32) MMIOAddress, *(UINT32 *)Value);
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Write PCI config space
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] PciAddress    Pci address
+ * @param[in] Value         Pointer to data
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdPciWrite (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+  IN       CONST VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32 LegacyPciAccess;
+  UINT32 MMIOSize;
+  UINT64 RMWrite;
+  UINT64 RMWritePrevious;
+  UINT64 MMIOAddress;
+
+
+  ASSERT (PciAddress.AddressValue != ILLEGAL_SBDFO);
+  if (!GetPciMmioAddress (&MMIOAddress, &MMIOSize, NULL)) {
+    // We need to convert our "portable" PCI address into a "real" PCI access
+    LegacyPciAccess = ((1 << 31) + (PciAddress.Address.Register & 0xFC) + (PciAddress.Address.Function << 8) + (PciAddress.Address.Device << 11) + (PciAddress.Address.Bus << 16) + ((PciAddress.Address.Register & 0xF00) << (24 - 8)));
+    if (PciAddress.Address.Register <= 0xFF) {
+      LibAmdIoWrite (AccessWidth32, IOCF8, &LegacyPciAccess, NULL);
+      LibAmdIoWrite (AccessWidth, IOCFC + (UINT16) (PciAddress.Address.Register & 0x3), Value, NULL);
+    } else {
+      LibAmdMsrRead  (NB_CFG, &RMWritePrevious, NULL);
+      RMWrite = RMWritePrevious | 0x0000400000000000;
+      LibAmdMsrWrite (NB_CFG, &RMWrite, NULL);
+      LibAmdIoWrite (AccessWidth32, IOCF8, &LegacyPciAccess, NULL);
+      LibAmdIoWrite (AccessWidth, IOCFC + (UINT16) (PciAddress.Address.Register & 0x3), Value, NULL);
+      LibAmdMsrWrite (NB_CFG, &RMWritePrevious, NULL);
+    }
+    //IDS_HDT_CONSOLE (LIB_PCI_WR, "~PCI WR %08x = %08x\n", LegacyPciAccess, *(UINT32 *)Value);
+    //printk(BIOS_DEBUG, "~PCI WR %08x = %08x\n", LegacyPciAccess, *(UINT32 *)Value);
+    //printk(BIOS_DEBUG, "LibAmdPciWrite\n");
+  } else {
+    // Setup the MMIO address
+    ASSERT ((MMIOAddress + MMIOSize) > (MMIOAddress + (PciAddress.AddressValue & 0x0FFFFFFF)));
+    MMIOAddress += (PciAddress.AddressValue & 0x0FFFFFFF);
+    LibAmdMemWrite (AccessWidth, MMIOAddress, Value, NULL);
+    //IDS_HDT_CONSOLE (LIB_PCI_WR, "~MMIO WR %08x = %08x\n", (UINT32) MMIOAddress, *(UINT32 *)Value);
+    //printk(BIOS_DEBUG, "~MMIO WR %08x = %08x\n", (UINT32) MMIOAddress, *(UINT32 *)Value);
+    //printk(BIOS_DEBUG, "LibAmdPciWrite mmio\n");
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * PCI read modify write
+ *
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] PciAddress    Pci address
+ * @param[in] Data          OR Data
+ * @param[in] DataMask      Mask to be used before data write back to register.
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdPciRMW (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32  TempData = 0;
+  UINT32  TempMask = 0;
+  UINT32  Value;
+  LibAmdGetDataFromPtr (AccessWidth, Data,  DataMask, &TempData, &TempMask);
+  LibAmdPciRead (AccessWidth, PciAddress, &Value, NULL);
+  Value = (Value & (~TempMask)) | TempData;
+  LibAmdPciWrite (AccessWidth, PciAddress, &Value, NULL);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Poll PCI config space register
+ *
+ *  Poll register until (RegisterValue & DataMask) ==  Data
+ *
+ * @param[in] AccessWidth   Access width
+ * @param[in] PciAddress    Pci address
+ * @param[in] Data          Data to compare
+ * @param[in] DataMask      AND mask
+ * @param[in] Delay         Poll for time in 100ns (not supported)
+ * @param[in] StdHeader     Standard configuration header
+ *
+ */
+VOID
+LibAmdPciPoll (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN       UINT64 Delay,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32  TempData = 0;
+  UINT32  TempMask = 0;
+  UINT32  Value;
+  LibAmdGetDataFromPtr (AccessWidth, Data,  DataMask, &TempData, &TempMask);
+  do {
+    LibAmdPciRead (AccessWidth, PciAddress, &Value, NULL);
+  } while (TempData != (Value & TempMask));
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Get MMIO base address for PCI accesses
+ *
+ * @param[out] MmioAddress   PCI MMIO base address
+ * @param[out] MmioSize      Size of region in bytes
+ * @param[in]  StdHeader     Standard configuration header
+ *
+ * @retval    TRUE          MmioAddress/MmioSize are valid
+ */
+BOOLEAN
+STATIC
+GetPciMmioAddress (
+     OUT   UINT64            *MmioAddress,
+     OUT   UINT32            *MmioSize,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  BOOLEAN MmioIsEnabled;
+  UINT32  EncodedSize;
+  UINT64  LocalMsrRegister;
+
+  MmioIsEnabled = FALSE;
+  LibAmdMsrRead (MSR_MMIO_Cfg_Base, &LocalMsrRegister, NULL);
+  if ((LocalMsrRegister & BIT0) != 0) {
+    *MmioAddress = LocalMsrRegister & 0xFFFFFFFFFFF00000;
+    EncodedSize = (UINT32) ((LocalMsrRegister & 0x3C) >> 2);
+    *MmioSize = ((1 << EncodedSize) * 0x100000);
+    MmioIsEnabled = TRUE;
+  }
+  return MmioIsEnabled;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Read field of PCI config register.
+ *
+ *
+ *
+ * @param[in]   Address       Pci address  (register must be DWORD aligned)
+ * @param[in]   Highbit       High bit position of the field in DWORD
+ * @param[in]   Lowbit        Low bit position of the field in DWORD
+ * @param[out]  Value         Pointer to data
+ * @param[in]   StdHeader     Standard configuration header
+ */
+VOID
+LibAmdPciReadBits (
+  IN       PCI_ADDR Address,
+  IN       UINT8 Highbit,
+  IN       UINT8 Lowbit,
+     OUT   UINT32 *Value,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  ASSERT (Highbit < 32 && Lowbit < 32 && Highbit >= Lowbit && (Address.AddressValue & 3) == 0);
+
+  LibAmdPciRead (AccessWidth32, Address, Value, NULL);
+  *Value >>= Lowbit;  // Shift
+
+  // A 1 << 32 == 1 << 0 due to x86 SHL instruction, so skip if that is the case
+
+  if ((Highbit - Lowbit) != 31) {
+    *Value &= (((UINT32) 1 << (Highbit - Lowbit + 1)) - 1);
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Write field of PCI config register.
+ *
+ *
+ *
+ * @param[in]   Address       Pci address  (register must be DWORD aligned)
+ * @param[in]   Highbit       High bit position of the field in DWORD
+ * @param[in]   Lowbit        Low bit position of the field in DWORD
+ * @param[in]   Value         Pointer to data
+ * @param[in]   StdHeader     Standard configuration header
+ */
+VOID
+LibAmdPciWriteBits (
+  IN       PCI_ADDR Address,
+  IN       UINT8 Highbit,
+  IN       UINT8 Lowbit,
+  IN       CONST UINT32 *Value,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32 Temp;
+  UINT32 Mask;
+
+  ASSERT (Highbit < 32 && Lowbit < 32 && Highbit >= Lowbit && (Address.AddressValue & 3) == 0);
+
+  // A 1<<32 == 1<<0 due to x86 SHL instruction, so skip if that is the case
+
+  if ((Highbit - Lowbit) != 31) {
+    Mask = (((UINT32) 1 << (Highbit - Lowbit + 1)) - 1);
+  } else {
+    Mask = (UINT32) 0xFFFFFFFF;
+  }
+
+  LibAmdPciRead (AccessWidth32, Address, &Temp, NULL);
+  Temp &= ~(Mask << Lowbit);
+  Temp |= (*Value & Mask) << Lowbit;
+  LibAmdPciWrite (AccessWidth32, Address, &Temp, NULL);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Locate next capability pointer
+ *
+ *  Given a SBDFO this routine will find the next PCI capabilities list entry.
+ *  if the end of the list is reached, or if a problem is detected, then ILLEGAL_SBDFO is
+ *  returned.
+ *  To start a new search from the head of the list, specify a SBDFO with an offset of zero.
+ *
+ * @param[in,out] Address       Pci address
+ * @param[in]     StdHeader     Standard configuration header
+ */
+
+VOID
+LibAmdPciFindNextCap (
+  IN OUT   PCI_ADDR *Address,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  PCI_ADDR Base;
+  UINT32 Offset;
+  UINT32 Temp;
+  PCI_ADDR TempAddress;
+
+  ASSERT (Address != NULL);
+  ASSERT (*(UINT32 *) Address != ILLEGAL_SBDFO);
+
+  Base.AddressValue = Address->AddressValue;
+  Offset = Base.Address.Register;
+  Base.Address.Register = 0;
+
+  Address->AddressValue = (UINT32) ILLEGAL_SBDFO;
+
+  // Verify that the SBDFO points to a valid PCI device SANITY CHECK
+  LibAmdPciRead (AccessWidth32, Base, &Temp, NULL);
+  if (Temp == 0xFFFFFFFF) {
+    ASSERT (FALSE);
+    return; // There is no device at this address
+  }
+
+  // Verify that the device supports a capability list
+  TempAddress.AddressValue = Base.AddressValue + 0x04;
+  LibAmdPciReadBits (TempAddress, 20, 20, &Temp, NULL);
+  if (Temp == 0) {
+    return; // This PCI device does not support capability lists
+  }
+
+  if (Offset != 0) {
+    // If we are continuing on an existing list
+    TempAddress.AddressValue = Base.AddressValue + Offset;
+    LibAmdPciReadBits (TempAddress, 15, 8, &Temp, NULL);
+  } else {
+    // We are starting on a new list
+    TempAddress.AddressValue = Base.AddressValue + 0x34;
+    LibAmdPciReadBits (TempAddress, 7, 0, &Temp, NULL);
+  }
+
+  if (Temp == 0) {
+    return; // We have reached the end of the capabilities list
+  }
+
+  // Error detection and recovery- The statement below protects against
+  //   PCI devices with broken PCI capabilities lists.  Detect a pointer
+  //   that is not uint32 aligned, points into the first 64 reserved DWORDs
+  //   or points back to itself.
+  if (((Temp & 3) != 0) || (Temp == Offset) || (Temp < 0x40)) {
+    ASSERT (FALSE);
+    return;
+  }
+
+  Address->AddressValue = Base.AddressValue + Temp;
+  return;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Set memory with value
+ *
+ *
+ * @param[in,out] Destination   Pointer to memory range
+ * @param[in]     Value         Value to set memory with
+ * @param[in]     FillLength    Size of the memory range
+ * @param[in]     StdHeader     Standard configuration header (Optional)
+ */
+VOID
+LibAmdMemFill (
+  IN       VOID *Destination,
+  IN       UINT8 Value,
+  IN       UINTN FillLength,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT8 *Dest;
+  Dest = Destination;
+  while ((FillLength--) != 0) {
+    *Dest++ = Value;
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Copy memory
+ *
+ *
+ * @param[in,out] Destination   Pointer to destination buffer
+ * @param[in]     Source        Pointer to source buffer
+ * @param[in]     CopyLength    buffer length
+ * @param[in]     StdHeader     Standard configuration header (Optional)
+ */
+VOID
+LibAmdMemCopy (
+  IN       VOID *Destination,
+  IN       CONST VOID *Source,
+  IN       UINTN CopyLength,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT8 *Dest;
+  CONST UINT8 *SourcePtr;
+  Dest = Destination;
+  SourcePtr = Source;
+  while ((CopyLength--) != 0) {
+    *Dest++ = *SourcePtr++;
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Verify checksum of binary image (B1/B2/B3)
+ *
+ *
+ * @param[in]   ImagePtr      Pointer to image  start
+ * @retval      TRUE          Checksum valid
+ * @retval      FALSE         Checksum invalid
+ */
+BOOLEAN
+LibAmdVerifyImageChecksum (
+  IN       CONST VOID *ImagePtr
+  )
+{
+  // Assume ImagePtr points to the binary start ($AMD)
+  // Checksum is on an even boundary in AMD_IMAGE_HEADER
+
+  UINT16 Sum;
+  UINT32 i;
+
+  Sum = 0;
+
+  i = ((AMD_IMAGE_HEADER*) ImagePtr)->ImageSize;
+
+  while (i > 1) {
+    Sum = Sum + *((UINT16 *)ImagePtr);
+    ImagePtr = (VOID *) ((UINT8 *)ImagePtr + 2);
+    i = i - 2;
+  }
+  if (i > 0) {
+    Sum = Sum + *((UINT8 *) ImagePtr);
+  }
+
+  return (Sum == 0)?TRUE:FALSE;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Locate AMD binary image that contain specific module
+ *
+ *
+ * @param[in]   StartAddress    Pointer to start range
+ * @param[in]   EndAddress      Pointer to end range
+ * @param[in]   Alignment       Image address alignment
+ * @param[in]   ModuleSignature Module signature.
+ * @retval     NULL  if image not found
+ * @retval     pointer to image header
+ */
+CONST VOID *
+LibAmdLocateImage (
+  IN       CONST VOID *StartAddress,
+  IN       CONST VOID *EndAddress,
+  IN       UINT32 Alignment,
+  IN       CONST CHAR8 ModuleSignature[8]
+  )
+
+{
+  CONST UINT8 *CurrentPtr = StartAddress;
+  AMD_MODULE_HEADER *ModuleHeaderPtr;
+  CONST UINT64 SearchStr = *((UINT64*)ModuleSignature);
+
+  // Search from start to end incrementing by alignment
+  while ((CurrentPtr >= (UINT8 *) StartAddress) && (CurrentPtr < (UINT8 *) EndAddress)) {
+    // First find a binary image
+    if (IMAGE_SIGNATURE == *((UINT32 *) CurrentPtr)) {
+      // TODO Figure out a way to fix the AGESA binary checksum
+//    if (LibAmdVerifyImageChecksum (CurrentPtr)) {
+        // If we have a valid image, search module linked list for a match
+        ModuleHeaderPtr = (AMD_MODULE_HEADER*)(((AMD_IMAGE_HEADER *) CurrentPtr)->ModuleInfoOffset);
+        while ((ModuleHeaderPtr != NULL) &&
+            (MODULE_SIGNATURE == *((UINT32*)&(ModuleHeaderPtr->ModuleHeaderSignature)))) {
+          if (SearchStr == *((UINT64*)&(ModuleHeaderPtr->ModuleIdentifier))) {
+            return  CurrentPtr;
+          }
+          ModuleHeaderPtr = (AMD_MODULE_HEADER *)ModuleHeaderPtr->NextBlock;
+        }
+//      }
+    }
+    CurrentPtr += Alignment;
+  }
+  return NULL;
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Returns the package type mask for the processor
+ *
+ *
+ * @param[in]     StdHeader     Standard configuration header (Optional)
+ */
+
+//  Returns the package type mask for the processor
+UINT32
+LibAmdGetPackageType (
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT32      ProcessorPackageType;
+  CPUID_DATA  CpuId;
+
+  LibAmdCpuidRead (0x80000001, &CpuId, NULL);
+  ProcessorPackageType = (UINT32) (CpuId.EBX_Reg >> 28) & 0xF; // bit 31:28
+  return (UINT32) (1 << ProcessorPackageType);
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Returns the package type mask for the processor
+ *
+ *
+ * @param[in]     AccessWidth     Access width
+ * @param[in]     Data            data
+ * @param[in]     DataMask        data
+ * @param[out]    TemData         typecast data
+ * @param[out]    TempDataMask    typecast data
+ */
+
+VOID
+STATIC
+LibAmdGetDataFromPtr (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       CONST VOID   *Data,
+  IN       CONST VOID   *DataMask,
+     OUT   UINT32       *TemData,
+     OUT   UINT32       *TempDataMask
+  )
+{
+  switch (AccessWidth) {
+  case AccessWidth8:
+  case AccessS3SaveWidth8:
+    *TemData = (UINT32)*(UINT8 *) Data;
+    *TempDataMask = (UINT32)*(UINT8 *) DataMask;
+    break;
+  case AccessWidth16:
+  case AccessS3SaveWidth16:
+    *TemData = (UINT32)*(UINT16 *) Data;
+    *TempDataMask = (UINT32)*(UINT16 *) DataMask;
+    break;
+  case AccessWidth32:
+  case AccessS3SaveWidth32:
+    *TemData = *(UINT32 *) Data;
+    *TempDataMask = *(UINT32 *) DataMask;
+    break;
+  default:
+    IDS_ERROR_TRAP;
+    break;
+  }
+}
+
+/*---------------------------------------------------------------------------------------*/
+/**
+ * Returns the package type mask for the processor
+ *
+ *
+ * @param[in]     AccessWidth     Access width
+ * @retval        Width in number of bytes
+ */
+
+UINT8
+LibAmdAccessWidth (
+  IN       ACCESS_WIDTH AccessWidth
+  )
+{
+  UINT8 Width;
+
+  switch (AccessWidth) {
+  case AccessWidth8:
+  case AccessS3SaveWidth8:
+    Width = 1;
+    break;
+  case AccessWidth16:
+  case AccessS3SaveWidth16:
+    Width = 2;
+    break;
+  case AccessWidth32:
+  case AccessS3SaveWidth32:
+    Width = 4;
+    break;
+  case AccessWidth64:
+  case AccessS3SaveWidth64:
+    Width = 8;
+    break;
+  default:
+    Width = 0;
+    IDS_ERROR_TRAP;
+    break;
+  }
+  return Width;
+}
+
+AMDLIB_OPTIMIZE
+VOID
+CpuidRead (
+  IN        UINT32      CpuidFcnAddress,
+  OUT       CPUID_DATA  *Value
+  )
+{
+  __cpuid ((int *)Value, CpuidFcnAddress);
+}
+
+AMDLIB_OPTIMIZE
+UINT8
+ReadNumberOfCpuCores(
+  void
+  )
+{
+  CPUID_DATA  Value;
+  CpuidRead (0x80000008, &Value);
+  return   Value.ECX_Reg & 0xff;
+}
+
+BOOLEAN
+IdsErrorStop (
+  IN      UINT32 FileCode
+  )
+{
+	struct POST {
+		UINT16 deadlo;
+		UINT32 messagelo;
+		UINT16 deadhi;
+		UINT32 messagehi;
+	} post = {0xDEAD, FileCode, 0xDEAD, FileCode};
+	UINT16 offset = 0;
+	UINT16 j;
+
+	while(1) {
+		offset %= sizeof(struct POST) / 2;
+		WriteIo16(80, *((UINT16 *)&post)+offset);
+		++offset;
+		for (j=0; j<250; ++j) {
+			ReadIo8(80);
+		}
+	}
+}
diff --git a/src/vendorcode/amd/pi/00670F00/Lib/amdlib.h b/src/vendorcode/amd/pi/00670F00/Lib/amdlib.h
new file mode 100644
index 0000000000..f5eab0a0c2
--- /dev/null
+++ b/src/vendorcode/amd/pi/00670F00/Lib/amdlib.h
@@ -0,0 +1,396 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * AMD Library
+ *
+ * Contains interface to the AMD AGESA library
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project:      AGESA
+ * @e sub-project:  Lib
+ * @e \$Revision: 85030 $   @e \$Date: 2012-12-26 00:20:10 -0600 (Wed, 26 Dec 2012) $
+ *
+ */
+/*
+ ******************************************************************************
+ *
+ * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc.
+ *               2013 - 2014, Sage Electronic Engineering, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ *       its contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ ******************************************************************************
+ **/
+
+#ifndef _AMD_LIB_H_
+#define _AMD_LIB_H_
+
+#include "Porting.h"
+#include "AMD.h"
+
+#define IOCF8 0xCF8
+#define IOCFC 0xCFC
+
+// Reg Values for ReadCpuReg and WriteCpuReg
+#define    CR4_REG  0x04
+#define    DR0_REG  0x10
+#define    DR1_REG  0x11
+#define    DR2_REG  0x12
+#define    DR3_REG  0x13
+#define    DR7_REG  0x17
+
+// PROTOTYPES FOR amdlib32.asm
+UINT8
+ReadIo8 (
+  IN       UINT16 Address
+  );
+
+UINT16
+ReadIo16 (
+  IN       UINT16 Address
+  );
+
+UINT32
+ReadIo32 (
+  IN       UINT16 Address
+  );
+
+VOID
+WriteIo8 (
+  IN       UINT16 Address,
+  IN       UINT8 Data
+  );
+
+VOID
+WriteIo16 (
+  IN       UINT16 Address,
+  IN       UINT16 Data
+  );
+
+VOID
+WriteIo32 (
+  IN       UINT16 Address,
+  IN       UINT32 Data
+  );
+
+UINT8
+Read64Mem8 (
+  IN       UINT64 Address
+  );
+
+UINT16
+Read64Mem16 (
+  IN       UINT64 Address
+  );
+
+UINT32
+Read64Mem32 (
+  IN       UINT64 Address
+  );
+
+VOID
+Write64Mem8 (
+  IN       UINT64 Address,
+  IN       UINT8 Data
+  );
+
+VOID
+Write64Mem16 (
+  IN       UINT64 Address,
+  IN       UINT16 Data
+  );
+
+VOID
+Write64Mem32 (
+  IN       UINT64 Address,
+  IN       UINT32 Data
+  );
+
+UINT64
+ReadTSC (
+  void
+  );
+
+// MSR
+VOID
+LibAmdMsrRead (
+  IN       UINT32 MsrAddress,
+     OUT   UINT64 *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdMsrWrite (
+  IN       UINT32 MsrAddress,
+  IN       UINT64 *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+// IO
+VOID
+LibAmdIoRead (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+     OUT   VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdIoWrite (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+  IN       CONST VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdIoRMW (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdIoPoll (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT16 IoAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN       UINT64 Delay,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+// Memory or MMIO
+VOID
+LibAmdMemRead (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+     OUT   VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdMemWrite (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+  IN       CONST VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdMemRMW (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdMemPoll (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       UINT64 MemAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN       UINT64 Delay,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+// PCI
+VOID
+LibAmdPciRead (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+     OUT   VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdPciWrite (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+  IN       CONST VOID *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdPciRMW (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdPciPoll (
+  IN       ACCESS_WIDTH AccessWidth,
+  IN       PCI_ADDR PciAddress,
+  IN       CONST VOID *Data,
+  IN       CONST VOID *DataMask,
+  IN       UINT64 Delay,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdPciReadBits (
+  IN       PCI_ADDR Address,
+  IN       UINT8 Highbit,
+  IN       UINT8 Lowbit,
+     OUT   UINT32 *Value,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdPciWriteBits (
+  IN       PCI_ADDR Address,
+  IN       UINT8 Highbit,
+  IN       UINT8 Lowbit,
+  IN       CONST UINT32 *Value,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdPciFindNextCap (
+  IN OUT   PCI_ADDR *Address,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  );
+
+// CPUID
+VOID
+LibAmdCpuidRead (
+  IN       UINT32 CpuidFcnAddress,
+     OUT   CPUID_DATA *Value,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+// Utility Functions
+VOID
+LibAmdMemFill (
+  IN       VOID *Destination,
+  IN       UINT8 Value,
+  IN       UINTN FillLength,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+VOID
+LibAmdMemCopy (
+  IN       VOID *Destination,
+  IN       CONST VOID *Source,
+  IN       UINTN CopyLength,
+  IN OUT   AMD_CONFIG_PARAMS *StdHeader
+  );
+
+CONST VOID *
+LibAmdLocateImage (
+  IN       CONST VOID *StartAddress,
+  IN       CONST VOID *EndAddress,
+  IN       UINT32 Alignment,
+  IN       CONST CHAR8 ModuleSignature[8]
+  );
+
+UINT32
+LibAmdGetPackageType (
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  );
+
+BOOLEAN
+LibAmdVerifyImageChecksum (
+  IN       CONST VOID *ImagePtr
+  );
+
+UINT8
+LibAmdBitScanReverse (
+  IN       UINT32 value
+  );
+UINT8
+LibAmdBitScanForward (
+  IN       UINT32 value
+  );
+
+VOID
+LibAmdReadCpuReg (
+  IN       UINT8 RegNum,
+     OUT   UINT32 *Value
+  );
+VOID
+LibAmdWriteCpuReg (
+  IN       UINT8 RegNum,
+  IN       UINT32 Value
+  );
+
+VOID
+LibAmdWriteBackInvalidateCache (
+  void
+  );
+
+VOID
+LibAmdSimNowEnterDebugger (
+  void
+  );
+
+VOID
+LibAmdHDTBreakPoint (
+  void
+  );
+
+UINT8
+LibAmdAccessWidth (
+  IN       ACCESS_WIDTH AccessWidth
+  );
+
+VOID
+LibAmdCLFlush (
+  IN       UINT64 Address,
+  IN       UINT8  Count
+  );
+
+VOID
+StopHere (
+  void
+  );
+
+VOID
+LibAmdFinit (
+  void
+  );
+
+VOID
+LibAmdFnclex (
+  void
+  );
+
+VOID
+LibAmdReadMxcsr (
+     OUT   UINT32 *Value
+  );
+
+VOID
+LibAmdWriteMxcsr (
+  IN       UINT32 *Value
+  );
+
+#endif // _AMD_LIB_H_
diff --git a/src/vendorcode/amd/pi/00670F00/Lib/imc/HwmLateService.c b/src/vendorcode/amd/pi/00670F00/Lib/imc/HwmLateService.c
new file mode 100644
index 0000000000..8800e38fee
--- /dev/null
+++ b/src/vendorcode/amd/pi/00670F00/Lib/imc/HwmLateService.c
@@ -0,0 +1,188 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * Config FCH Hwm controller
+ *
+ * Init Hwm Controller features.
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project:     AGESA
+ * @e sub-project: FCH
+ * @e \$Revision: 84150 $   @e \$Date: 2012-12-12 15:46:25 -0600 (Wed, 12 Dec 2012) $
+ *
+ */
+/*
+*****************************************************************************
+*
+ * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ *       its contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+****************************************************************************
+*/
+#include "FchPlatform.h"
+#include "Filecode.h"
+#define FILECODE PROC_FCH_HWM_FAMILY_YANGTZE_YANGTZEHWMLATESERVICE_FILECODE
+
+/**
+ * Table for Function Number
+ *
+ *
+ *
+ *
+ */
+STATIC UINT8 FunctionNumber[] =
+{
+  Fun_81,
+  Fun_83,
+  Fun_85,
+  Fun_89,
+};
+
+/**
+ * Table for Max Thermal Zone
+ *
+ *
+ *
+ *
+ */
+UINT8 MaxZone[] =
+{
+  4,
+  4,
+  4,
+  4,
+};
+
+
+/**
+ * Table for Max Register
+ *
+ *
+ *
+ *
+ */
+UINT8 MaxRegister[] =
+{
+  MSG_REG9,
+  MSG_REGB,
+  MSG_REG9,
+  MSG_REGA,
+};
+
+/*-------------------------------------------------------------------------------
+;Procedure:  IsZoneFuncEnable
+;
+;Description:  This routine will check every zone support function with BitMap from user define
+;
+;
+;Exit:  None
+;
+;Modified:  None
+;
+;-----------------------------------------------------------------------------
+*/
+STATIC BOOLEAN
+IsZoneFuncEnable (
+  IN     UINT16 Flag,
+  IN     UINT8  func,
+  IN     UINT8  Zone
+  )
+{
+  return (BOOLEAN) (((Flag >> (func *4)) & 0xF) & ((UINT8 )1 << Zone));
+}
+
+/*-------------------------------------------------------------------------------
+;Procedure:  FchECfancontrolservice
+;
+;Description:  This routine service EC fan policy
+;
+;
+;Exit:  None
+;
+;Modified:  None
+;
+;-----------------------------------------------------------------------------
+*/
+VOID
+FchECfancontrolservice (
+  IN  VOID     *FchDataPtr
+  )
+{
+  UINT8        ZoneNum;
+  UINT8        FunNum;
+  UINT8        RegNum;
+  UINT8        *CurPoint;
+  UINT8        FunIndex;
+  BOOLEAN      IsSendEcMsg;
+  FCH_DATA_BLOCK         *LocalCfgPtr;
+  AMD_CONFIG_PARAMS      *StdHeader;
+
+  LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
+  StdHeader = LocalCfgPtr->StdHeader;
+
+  if (!IsImcEnabled (StdHeader)) {
+    return;                                                    //IMC is not enabled
+  }
+
+  CurPoint = &LocalCfgPtr->Imc.EcStruct.MsgFun81Zone0MsgReg0 + MaxZone[0] * (MaxRegister[0] - MSG_REG0 + 1);
+
+  for ( FunIndex = 1; FunIndex <= 3; FunIndex++ ) {
+    FunNum = FunctionNumber[FunIndex];
+    for ( ZoneNum = 0; ZoneNum < MaxZone[FunIndex]; ZoneNum++ ) {
+      IsSendEcMsg = IsZoneFuncEnable (LocalCfgPtr->Imc.EcStruct.IMCFUNSupportBitMap, FunIndex, ZoneNum);
+      if (IsSendEcMsg) {
+        for ( RegNum = MSG_REG0; RegNum <= MaxRegister[FunIndex]; RegNum++ ) {
+          WriteECmsg (RegNum, AccessWidth8, CurPoint, StdHeader);
+          CurPoint += 1;
+        }
+        WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &FunNum, StdHeader);     // function number
+        WaitForEcLDN9MailboxCmdAck (StdHeader);
+      } else {
+        CurPoint += (MaxRegister[FunIndex] - MSG_REG0 + 1);
+      }
+    }
+  }
+
+  CurPoint = &LocalCfgPtr->Imc.EcStruct.MsgFun81Zone0MsgReg0;
+  for ( FunIndex = 0; FunIndex <= 0; FunIndex++ ) {
+    FunNum = FunctionNumber[FunIndex];
+    for ( ZoneNum = 0; ZoneNum < MaxZone[FunIndex]; ZoneNum++ ) {
+      IsSendEcMsg = IsZoneFuncEnable (LocalCfgPtr->Imc.EcStruct.IMCFUNSupportBitMap, FunIndex, ZoneNum);
+      if (IsSendEcMsg) {
+        for ( RegNum = MSG_REG0; RegNum <= MaxRegister[FunIndex]; RegNum++ ) {
+          if (RegNum == MSG_REG2) {
+            *CurPoint &= 0xFE;
+          }
+          WriteECmsg (RegNum, AccessWidth8, CurPoint, StdHeader);
+          CurPoint += 1;
+        }
+        WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &FunNum, StdHeader);      // function number
+        WaitForEcLDN9MailboxCmdAck (StdHeader);
+      } else {
+        CurPoint += (MaxRegister[FunIndex] - MSG_REG0 + 1);
+      }
+    }
+  }
+}
diff --git a/src/vendorcode/amd/pi/00670F00/Lib/imc/ImcLib.c b/src/vendorcode/amd/pi/00670F00/Lib/imc/ImcLib.c
new file mode 100644
index 0000000000..5f192f3b96
--- /dev/null
+++ b/src/vendorcode/amd/pi/00670F00/Lib/imc/ImcLib.c
@@ -0,0 +1,314 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * FCH IMC lib
+ *
+ *
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project:     AGESA
+ * @e sub-project: FCH
+ * @e \$Revision: 87213 $   @e \$Date: 2013-01-30 15:37:54 -0600 (Wed, 30 Jan 2013) $
+ *
+ */
+/*
+*****************************************************************************
+*
+ * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ *       its contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+****************************************************************************
+*/
+#include "FchPlatform.h"
+#include "Filecode.h"
+#define FILECODE PROC_FCH_IMC_IMCLIB_FILECODE
+
+/**
+ * WriteECmsg
+ *
+ *
+ *
+ * @param[in]  Address    - Address
+ * @param[in]  OpFlag     - Access width
+ * @param[in]  *Value     - Out Value pointer
+ * @param[in]  StdHeader
+ *
+ */
+VOID
+WriteECmsg (
+  IN       UINT8     Address,
+  IN       UINT8     OpFlag,
+  IN       VOID      *Value,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT8   Index;
+
+  ASSERT (OpFlag < AccessWidth64); /* TODO: Add the assertion to make it not crash for now. */
+  OpFlag = (OpFlag & 0x7f) - 1;
+  if (OpFlag == 0x02) {
+    OpFlag = 0x03;
+  }
+
+  for (Index = 0; Index <= OpFlag; Index++) {
+    /// EC_LDN9_MAILBOX_BASE_ADDRESS
+    LibAmdIoWrite (AccessWidth8, MailBoxPort, &Address, StdHeader);
+    Address++;
+    /// EC_LDN9_MAILBOX_BASE_ADDRESS
+    LibAmdIoWrite (AccessWidth8, MailBoxPort + 1, (UINT8 *)Value + Index, StdHeader);
+  }
+}
+
+/**
+ * ReadECmsg
+ *
+ *
+ *
+ * @param[in]  Address    - Address
+ * @param[in]  OpFlag     - Access width
+ * @param[out] *Value     - Out Value pointer
+ * @param[in]  StdHeader
+ *
+ */
+VOID
+ReadECmsg (
+  IN       UINT8     Address,
+  IN       UINT8     OpFlag,
+     OUT   VOID      *Value,
+  IN       AMD_CONFIG_PARAMS *StdHeader
+  )
+{
+  UINT8 Index;
+
+  ASSERT (OpFlag < AccessWidth64); /* TODO: Add the assertion to make it not crash for now. */
+  OpFlag = (OpFlag & 0x7f) - 1;
+  if (OpFlag == 0x02) {
+    OpFlag = 0x03;
+  }
+
+  for (Index = 0; Index <= OpFlag; Index++) {
+    /// EC_LDN9_MAILBOX_BASE_ADDRESS
+    LibAmdIoWrite (AccessWidth8, MailBoxPort, &Address, StdHeader);
+    Address++;
+    /// EC_LDN9_MAILBOX_BASE_ADDRESS
+    LibAmdIoRead (AccessWidth8, MailBoxPort + 1, (UINT8 *)Value + Index, StdHeader);
+  }
+}
+
+/**
+ * WaitForEcLDN9MailboxCmdAck
+ *
+ *
+ * @param[in] StdHeader
+ *
+ */
+VOID
+WaitForEcLDN9MailboxCmdAck (
+  IN AMD_CONFIG_PARAMS  *StdHeader
+  )
+{
+  UINT8    Msgdata;
+  UINT16   Delaytime;
+
+  Msgdata = 0;
+
+  for (Delaytime = 0; Delaytime < 0xFFFF; Delaytime++) {
+    ReadECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
+    if ( Msgdata == 0xfa) {
+      break;
+    }
+
+    FchStall (5, StdHeader);                            /// Wait for 1ms
+  }
+}
+
+/**
+ * ImcSleep - IMC Sleep.
+ *
+ *
+ * @param[in] FchDataPtr Fch configuration structure pointer.
+ *
+ */
+VOID
+ImcSleep (
+  IN  VOID     *FchDataPtr
+  )
+{
+  UINT8        Msgdata;
+  FCH_DATA_BLOCK         *LocalCfgPtr;
+  AMD_CONFIG_PARAMS      *StdHeader;
+
+  LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr;
+  StdHeader = LocalCfgPtr->StdHeader;
+
+  if (!(IsImcEnabled (StdHeader)) ) {
+    return;                                                ///IMC is not enabled
+  }
+
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0xB4;
+  WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x96;
+  WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
+  WaitForEcLDN9MailboxCmdAck (StdHeader);
+}
+
+/**
+ * SoftwareDisableImc - Software disable IMC strap
+ *
+ *
+ * @param[in] FchDataPtr Fch configuration structure pointer.
+ *
+ */
+VOID
+SoftwareDisableImc (
+  IN  VOID     *FchDataPtr
+  )
+{
+  UINT8    ValueByte;
+  UINT8    PortStatusByte;
+  UINT32   AbValue;
+  UINT32   ABStrapOverrideReg;
+  AMD_CONFIG_PARAMS     *StdHeader;
+
+  StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader;
+  GetChipSysMode (&PortStatusByte, StdHeader);
+
+  RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGC8 + 3, AccessWidth8, 0x7F, BIT7, StdHeader);
+  ReadPmio (0xBF, AccessWidth8, &ValueByte, StdHeader);
+
+  ReadMem ((ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG80), AccessWidth32, &AbValue);
+  ABStrapOverrideReg = AbValue;
+  ABStrapOverrideReg &= ~BIT2;                           // bit2=0 EcEnableStrap
+  WriteMem ((ACPI_MMIO_BASE + MISC_BASE + 0x84), AccessWidth32, &ABStrapOverrideReg);
+
+  ReadPmio (FCH_PMIOA_REGD7, AccessWidth8, &ValueByte, StdHeader);
+  ValueByte |= BIT1;
+  WritePmio (FCH_PMIOA_REGD7, AccessWidth8, &ValueByte, StdHeader);
+
+  ValueByte = 06;
+  LibAmdIoWrite (AccessWidth8, 0xcf9, &ValueByte, StdHeader);
+  FchStall (0xffffffff, StdHeader);
+}
+
+/**
+ * ImcDisableSurebootTimer - IMC Disable Sureboot Timer.
+ *
+ *
+ * @param[in] FchDataPtr Fch configuration structure pointer.
+ *
+ */
+VOID
+ImcDisableSurebootTimer (
+  IN  VOID     *FchDataPtr
+  )
+{
+  UINT8   Msgdata;
+  AMD_CONFIG_PARAMS      *StdHeader;
+
+  StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader;
+
+  if (!(IsImcEnabled (StdHeader)) ) {
+    return;                                      ///IMC is not enabled
+  }
+
+  ImcWakeup (FchDataPtr);
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x01;
+  WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x94;
+  WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
+  WaitForEcLDN9MailboxCmdAck (StdHeader);
+  ImcSleep (FchDataPtr);
+}
+
+/**
+ * ImcWakeup - IMC Wakeup.
+ *
+ *
+ * @param[in] FchDataPtr Fch configuration structure pointer.
+ *
+ */
+VOID
+ImcWakeup (
+  IN  VOID     *FchDataPtr
+  )
+{
+  UINT8   Msgdata;
+  AMD_CONFIG_PARAMS     *StdHeader;
+
+  StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader;
+  if (!(IsImcEnabled (StdHeader)) ) {
+    return;                                      ///IMC is not enabled
+  }
+
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0xB5;
+  WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x96;
+  WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
+  WaitForEcLDN9MailboxCmdAck (StdHeader);
+}
+
+/**
+ * ImcIdle - IMC Idle.
+ *
+ *
+ * @param[in] FchDataPtr Fch configuration structure pointer.
+ *
+ */
+VOID
+ImcIdle (
+  IN  VOID     *FchDataPtr
+  )
+{
+  UINT8   Msgdata;
+  AMD_CONFIG_PARAMS     *StdHeader;
+
+  StdHeader = ((FCH_DATA_BLOCK *) FchDataPtr)->StdHeader;
+
+  if (!(IsImcEnabled (StdHeader)) ) {
+    return;                                      ///IMC is not enabled
+  }
+
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG0, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x01;
+  WriteECmsg (MSG_REG1, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x00;
+  WriteECmsg (MSG_REG2, AccessWidth8, &Msgdata, StdHeader);
+  Msgdata = 0x98;
+  WriteECmsg (MSG_SYS_TO_IMC, AccessWidth8, &Msgdata, StdHeader);
+  WaitForEcLDN9MailboxCmdAck (StdHeader);
+}
-- 
cgit v1.2.3