AGESA fam12: Add fam12_callouts

Although amd/torpedo is only fam12 board at the moment,
backported this from fam15tn and fam16kb.

Change-Id: I72a856e2eb455a8428a886f0c4217ff80e60eb78
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5648
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

5 files changed, 433 insertions, 378 deletions

diff --git a/src/mainboard/amd/torpedo/BiosCallOuts.c b/src/mainboard/amd/torpedo/BiosCallOuts.c
index 7d49c078a6..bd47cfd19d 100644
--- a/src/mainboard/amd/torpedo/BiosCallOuts.c
+++ b/src/mainboard/amd/torpedo/BiosCallOuts.c
@@ -171,333 +171,6 @@ AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
   return AGESA_SUCCESS;
 }
 
-
-AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-  UINT32              AvailableHeapSize;
-  UINT8               *BiosHeapBaseAddr;
-  UINT32              CurrNodeOffset;
-  UINT32              PrevNodeOffset;
-  UINT32              FreedNodeOffset;
-  UINT32              BestFitNodeOffset;
-  UINT32              BestFitPrevNodeOffset;
-  UINT32              NextFreeOffset;
-  BIOS_BUFFER_NODE   *CurrNodePtr;
-  BIOS_BUFFER_NODE   *FreedNodePtr;
-  BIOS_BUFFER_NODE   *BestFitNodePtr;
-  BIOS_BUFFER_NODE   *BestFitPrevNodePtr;
-  BIOS_BUFFER_NODE   *NextFreePtr;
-  BIOS_HEAP_MANAGER  *BiosHeapBasePtr;
-  AGESA_BUFFER_PARAMS *AllocParams;
-
-  AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
-  AllocParams->BufferPointer = NULL;
-
-  AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
-  BiosHeapBaseAddr = (UINT8 *) BIOS_HEAP_START_ADDRESS;
-  BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BIOS_HEAP_START_ADDRESS;
-
-  if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
-    /* First allocation */
-    CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
-    CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
-    CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
-    CurrNodePtr->BufferSize = AllocParams->BufferLength;
-    CurrNodePtr->NextNodeOffset = 0;
-    AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
-
-    /* Update the remaining free space */
-    FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
-    FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
-    FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
-    FreedNodePtr->NextNodeOffset = 0;
-
-    /* Update the offsets for Allocated and Freed nodes */
-    BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
-    BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
-  } else {
-    /* Find out whether BufferHandle has been allocated on the heap. */
-    /* If it has, return AGESA_BOUNDS_CHK */
-    CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
-    CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
-
-    while (CurrNodeOffset != 0) {
-      CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
-      if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
-        return AGESA_BOUNDS_CHK;
-      }
-      CurrNodeOffset = CurrNodePtr->NextNodeOffset;
-      /* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
-       to the end of the allocated nodes list.
-      */
-
-    }
-    /* Find the node that best fits the requested buffer size */
-    FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
-    PrevNodeOffset = FreedNodeOffset;
-    BestFitNodeOffset = 0;
-    BestFitPrevNodeOffset = 0;
-    while (FreedNodeOffset != 0) {
-      FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
-      if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
-        if (BestFitNodeOffset == 0) {
-          /* First node that fits the requested buffer size */
-          BestFitNodeOffset = FreedNodeOffset;
-          BestFitPrevNodeOffset = PrevNodeOffset;
-        } else {
-          /* Find out whether current node is a better fit than the previous nodes */
-          BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
-          if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
-            BestFitNodeOffset = FreedNodeOffset;
-            BestFitPrevNodeOffset = PrevNodeOffset;
-          }
-        }
-      }
-      PrevNodeOffset = FreedNodeOffset;
-      FreedNodeOffset = FreedNodePtr->NextNodeOffset;
-    } /* end of while loop */
-
-
-    if (BestFitNodeOffset == 0) {
-      /* If we could not find a node that fits the requested buffer */
-      /* size, return AGESA_BOUNDS_CHK */
-      return AGESA_BOUNDS_CHK;
-    } else {
-      BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
-      BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
-
-      /* If BestFitNode is larger than the requested buffer, fragment the node further */
-      if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
-        NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
-
-        NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
-        NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
-        NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
-      } else {
-        /* Otherwise, next free node is NextNodeOffset of BestFitNode */
-        NextFreeOffset = BestFitNodePtr->NextNodeOffset;
-      }
-
-      /* If BestFitNode is the first buffer in the list, then update
-         StartOfFreedNodes to reflect the new free node
-      */
-      if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
-        BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
-      } else {
-        BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
-      }
-
-      /* Add BestFitNode to the list of Allocated nodes */
-      CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
-      BestFitNodePtr->BufferSize = AllocParams->BufferLength;
-      BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
-      BestFitNodePtr->NextNodeOffset = 0;
-
-      /* Remove BestFitNode from list of Freed nodes */
-      AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
-    }
-  }
-
-  return AGESA_SUCCESS;
-}
-
-AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-
-  UINT8               *BiosHeapBaseAddr;
-  UINT32              AllocNodeOffset;
-  UINT32              PrevNodeOffset;
-  UINT32              NextNodeOffset;
-  UINT32              FreedNodeOffset;
-  UINT32              EndNodeOffset;
-  BIOS_BUFFER_NODE   *AllocNodePtr;
-  BIOS_BUFFER_NODE   *PrevNodePtr;
-  BIOS_BUFFER_NODE   *FreedNodePtr;
-  BIOS_BUFFER_NODE   *NextNodePtr;
-  BIOS_HEAP_MANAGER  *BiosHeapBasePtr;
-  AGESA_BUFFER_PARAMS *AllocParams;
-
-  BiosHeapBaseAddr = (UINT8 *) BIOS_HEAP_START_ADDRESS;
-  BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BIOS_HEAP_START_ADDRESS;
-
-  AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
-
-  /* Find target node to deallocate in list of allocated nodes.
-     Return AGESA_BOUNDS_CHK if the BufferHandle is not found
-  */
-  AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
-  AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
-  PrevNodeOffset = AllocNodeOffset;
-
-  while (AllocNodePtr->BufferHandle !=  AllocParams->BufferHandle) {
-    if (AllocNodePtr->NextNodeOffset == 0) {
-      return AGESA_BOUNDS_CHK;
-    }
-    PrevNodeOffset = AllocNodeOffset;
-    AllocNodeOffset = AllocNodePtr->NextNodeOffset;
-    AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
-  }
-
-  /* Remove target node from list of allocated nodes */
-  PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
-  PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
-
-  /* Zero out the buffer, and clear the BufferHandle */
-  LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
-  AllocNodePtr->BufferHandle = 0;
-  AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
-
-  /* Add deallocated node in order to the list of freed nodes */
-  FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
-  FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
-
-  EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
-
-  if (AllocNodeOffset < FreedNodeOffset) {
-    /* Add to the start of the freed list */
-    if (EndNodeOffset == FreedNodeOffset) {
-      /* If the freed node is adjacent to the first node in the list, concatenate both nodes */
-      AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
-      AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
-
-      /* Clear the BufferSize and NextNodeOffset of the previous first node */
-      FreedNodePtr->BufferSize = 0;
-      FreedNodePtr->NextNodeOffset = 0;
-
-    } else {
-      /* Otherwise, add freed node to the start of the list
-         Update NextNodeOffset and BufferSize to include the
-         size of BIOS_BUFFER_NODE
-      */
-      AllocNodePtr->NextNodeOffset = FreedNodeOffset;
-    }
-    /* Update StartOfFreedNodes to the new first node */
-    BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
-  } else {
-    /* Traverse list of freed nodes to find where the deallocated node
-       should be place
-    */
-    NextNodeOffset = FreedNodeOffset;
-    NextNodePtr = FreedNodePtr;
-    while (AllocNodeOffset > NextNodeOffset) {
-      PrevNodeOffset = NextNodeOffset;
-      if (NextNodePtr->NextNodeOffset == 0) {
-        break;
-      }
-      NextNodeOffset = NextNodePtr->NextNodeOffset;
-      NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
-    }
-
-    /* If deallocated node is adjacent to the next node,
-       concatenate both nodes
-    */
-    if (NextNodeOffset == EndNodeOffset) {
-      NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
-      AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
-      AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
-
-      NextNodePtr->BufferSize = 0;
-      NextNodePtr->NextNodeOffset = 0;
-    } else {
-      /*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
-      AllocNodePtr->NextNodeOffset = NextNodeOffset;
-    }
-    /* If deallocated node is adjacent to the previous node,
-       concatenate both nodes
-    */
-    PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
-    EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
-    if (AllocNodeOffset == EndNodeOffset) {
-      PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
-      PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
-
-      AllocNodePtr->BufferSize = 0;
-      AllocNodePtr->NextNodeOffset = 0;
-    } else {
-      PrevNodePtr->NextNodeOffset = AllocNodeOffset;
-    }
-  }
-  return AGESA_SUCCESS;
-}
-
-AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-  UINT32              AllocNodeOffset;
-  UINT8               *BiosHeapBaseAddr;
-  BIOS_BUFFER_NODE   *AllocNodePtr;
-  BIOS_HEAP_MANAGER  *BiosHeapBasePtr;
-  AGESA_BUFFER_PARAMS *AllocParams;
-
-  AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
-
-  BiosHeapBaseAddr = (UINT8 *) BIOS_HEAP_START_ADDRESS;
-  BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BIOS_HEAP_START_ADDRESS;
-
-  AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
-  AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
-
-  while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
-    if (AllocNodePtr->NextNodeOffset == 0) {
-      AllocParams->BufferPointer = NULL;
-      AllocParams->BufferLength = 0;
-      return AGESA_BOUNDS_CHK;
-    } else {
-      AllocNodeOffset = AllocNodePtr->NextNodeOffset;
-      AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
-    }
-  }
-
-  AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
-  AllocParams->BufferLength = AllocNodePtr->BufferSize;
-
-  return AGESA_SUCCESS;
-
-}
-
-AGESA_STATUS BiosRunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-  AGESA_STATUS        Status;
-
-  Status = agesawrapper_amdlaterunaptask (Data, ConfigPtr);
-  return Status;
-}
-
-AGESA_STATUS BiosReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-  AGESA_STATUS        Status;
-  UINT8                 Value;
-  UINTN               ResetType;
-  AMD_CONFIG_PARAMS   *StdHeader;
-
-  ResetType = Data;
-  StdHeader = ConfigPtr;
-
-  //
-  // Perform the RESET based upon the ResetType. In case of
-  // WARM_RESET_WHENVER and COLD_RESET_WHENEVER, the request will go to
-  // AmdResetManager. During the critical condition, where reset is required
-  // immediately, the reset will be invoked directly by writing 0x04 to port
-  // 0xCF9 (Reset Port).
-  //
-  switch (ResetType) {
-  case WARM_RESET_WHENEVER:
-  case COLD_RESET_WHENEVER:
-    break;
-
-  case WARM_RESET_IMMEDIATELY:
-  case COLD_RESET_IMMEDIATELY:
-      Value = 0x06;
-      LibAmdIoWrite (AccessWidth8, 0xCf9, &Value, StdHeader);
-    break;
-
-  default:
-    break;
-  }
-
-  Status = 0;
-  return Status;
-}
-
 AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
   AGESA_STATUS Status;
@@ -506,10 +179,6 @@ AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
   return Status;
 }
 
-AGESA_STATUS BiosDefaultRet (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
-  return AGESA_UNSUPPORTED;
-}
 /*  Call the host environment interface to provide a user hook opportunity. */
 AGESA_STATUS BiosHookBeforeDQSTraining (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 {
diff --git a/src/mainboard/amd/torpedo/BiosCallOuts.h b/src/mainboard/amd/torpedo/BiosCallOuts.h
index a68f0f1589..16b70b4539 100644
--- a/src/mainboard/amd/torpedo/BiosCallOuts.h
+++ b/src/mainboard/amd/torpedo/BiosCallOuts.h
@@ -20,57 +20,14 @@
 #ifndef _BIOS_CALLOUT_H_
 #define _BIOS_CALLOUT_H_
 
-#include "Porting.h"
-#include "AGESA.h"
+#include <northbridge/amd/agesa/family12/fam12_callouts.h>
 
-#define BIOS_HEAP_START_ADDRESS  0x00010000
-#define BIOS_HEAP_SIZE       0x20000   /* 64MB */
-
-typedef struct _BIOS_HEAP_MANAGER {
-  //UINT32 AvailableSize;
-  UINT32 StartOfAllocatedNodes;
-  UINT32 StartOfFreedNodes;
-} BIOS_HEAP_MANAGER;
-
-typedef struct _BIOS_BUFFER_NODE {
-  UINT32 BufferHandle;
-  UINT32 BufferSize;
-  UINT32 NextNodeOffset;
-} BIOS_BUFFER_NODE;
-/*
- * CALLOUTS
- */
-AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-
-/* REQUIRED CALLOUTS
- * AGESA ADVANCED CALLOUTS - CPU
- */
-AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-AGESA_STATUS BiosRunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-AGESA_STATUS BiosReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-
-/* AGESA ADVANCED CALLOUTS - MEMORY */
-AGESA_STATUS BiosReadSpd (UINT32  Func,UINT32  Data,VOID *ConfigPtr);
-
-/* BIOS DEFAULT RET */
-AGESA_STATUS BiosDefaultRet (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-
-/*  Call the host environment interface to provide a user hook opportunity. */
-AGESA_STATUS BiosHookBeforeDQSTraining (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-/*  Call the host environment interface to provide a user hook opportunity. */
-AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-/*  Call the host environment interface to provide a user hook opportunity. */
-AGESA_STATUS BiosHookBeforeDramInitRecovery (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-/*  Call the host environment interface to provide a user hook opportunity. */
-AGESA_STATUS BiosHookBeforeExitSelfRefresh (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
-/* PCIE slot reset control */
-AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+/* CALLOUT Initialization */
+AGESA_STATUS GetBiosCallout(UINT32 Func, UINT32 Data, VOID *ConfigPtr);
 
 // These registers are not defined in cimx/SB900/Hudson-2.h
 #define SB_GPIO_REG02   2
 #define SB_GPIO_REG15   15
 #define SB_GPIO_REG25   25
+
 #endif //_BIOS_CALLOUT_H_
diff --git a/src/northbridge/amd/agesa/family12/Makefile.inc b/src/northbridge/amd/agesa/family12/Makefile.inc
index 9676d54d92..ff7f84550f 100644
--- a/src/northbridge/amd/agesa/family12/Makefile.inc
+++ b/src/northbridge/amd/agesa/family12/Makefile.inc
@@ -17,6 +17,9 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 #
 
+romstage-y += fam12_callouts.c
+
 ramstage-y += northbridge.c
+ramstage-y += fam12_callouts.c
 
 ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += ssdt.asl
diff --git a/src/northbridge/amd/agesa/family12/fam12_callouts.c b/src/northbridge/amd/agesa/family12/fam12_callouts.c
new file mode 100644
index 0000000000..add03110e0
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/fam12_callouts.c
@@ -0,0 +1,358 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "agesawrapper.h"
+#include "amdlib.h"
+#include "BiosCallOuts.h"
+#include "Ids.h"
+#include "OptionsIds.h"
+#include "heapManager.h"
+#include "Hudson-2.h"
+
+
+AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	UINT32              AvailableHeapSize;
+	UINT8               *BiosHeapBaseAddr;
+	UINT32              CurrNodeOffset;
+	UINT32              PrevNodeOffset;
+	UINT32              FreedNodeOffset;
+	UINT32              BestFitNodeOffset;
+	UINT32              BestFitPrevNodeOffset;
+	UINT32              NextFreeOffset;
+	BIOS_BUFFER_NODE   *CurrNodePtr;
+	BIOS_BUFFER_NODE   *FreedNodePtr;
+	BIOS_BUFFER_NODE   *BestFitNodePtr;
+	BIOS_BUFFER_NODE   *BestFitPrevNodePtr;
+	BIOS_BUFFER_NODE   *NextFreePtr;
+	BIOS_HEAP_MANAGER  *BiosHeapBasePtr;
+	AGESA_BUFFER_PARAMS *AllocParams;
+
+	AllocParams = ((AGESA_BUFFER_PARAMS *) ConfigPtr);
+	AllocParams->BufferPointer = NULL;
+
+	AvailableHeapSize = BIOS_HEAP_SIZE - sizeof (BIOS_HEAP_MANAGER);
+	BiosHeapBaseAddr = (UINT8 *) BIOS_HEAP_START_ADDRESS;
+	BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BIOS_HEAP_START_ADDRESS;
+
+	if (BiosHeapBasePtr->StartOfAllocatedNodes == 0) {
+		/* First allocation */
+		CurrNodeOffset = sizeof (BIOS_HEAP_MANAGER);
+		CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
+		CurrNodePtr->BufferHandle = AllocParams->BufferHandle;
+		CurrNodePtr->BufferSize = AllocParams->BufferLength;
+		CurrNodePtr->NextNodeOffset = 0;
+		AllocParams->BufferPointer = (UINT8 *) CurrNodePtr + sizeof (BIOS_BUFFER_NODE);
+
+		/* Update the remaining free space */
+		FreedNodeOffset = CurrNodeOffset + CurrNodePtr->BufferSize + sizeof (BIOS_BUFFER_NODE);
+		FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
+		FreedNodePtr->BufferSize = AvailableHeapSize - sizeof (BIOS_BUFFER_NODE) - CurrNodePtr->BufferSize;
+		FreedNodePtr->NextNodeOffset = 0;
+
+		/* Update the offsets for Allocated and Freed nodes */
+		BiosHeapBasePtr->StartOfAllocatedNodes = CurrNodeOffset;
+		BiosHeapBasePtr->StartOfFreedNodes = FreedNodeOffset;
+	} else {
+		/* Find out whether BufferHandle has been allocated on the heap. */
+		/* If it has, return AGESA_BOUNDS_CHK */
+		CurrNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
+		CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
+
+		while (CurrNodeOffset != 0) {
+			CurrNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + CurrNodeOffset);
+			if (CurrNodePtr->BufferHandle == AllocParams->BufferHandle) {
+				return AGESA_BOUNDS_CHK;
+			}
+			CurrNodeOffset = CurrNodePtr->NextNodeOffset;
+			/* If BufferHandle has not been allocated on the heap, CurrNodePtr here points
+			   to the end of the allocated nodes list.
+			*/
+
+		}
+		/* Find the node that best fits the requested buffer size */
+		FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
+		PrevNodeOffset = FreedNodeOffset;
+		BestFitNodeOffset = 0;
+		BestFitPrevNodeOffset = 0;
+		while (FreedNodeOffset != 0) {
+			FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
+			if (FreedNodePtr->BufferSize >= (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
+				if (BestFitNodeOffset == 0) {
+					/* First node that fits the requested buffer size */
+					BestFitNodeOffset = FreedNodeOffset;
+					BestFitPrevNodeOffset = PrevNodeOffset;
+				} else {
+					/* Find out whether current node is a better fit than the previous nodes */
+					BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
+					if (BestFitNodePtr->BufferSize > FreedNodePtr->BufferSize) {
+						BestFitNodeOffset = FreedNodeOffset;
+						BestFitPrevNodeOffset = PrevNodeOffset;
+					}
+				}
+			}
+			PrevNodeOffset = FreedNodeOffset;
+			FreedNodeOffset = FreedNodePtr->NextNodeOffset;
+		} /* end of while loop */
+
+
+		if (BestFitNodeOffset == 0) {
+			/* If we could not find a node that fits the requested buffer */
+			/* size, return AGESA_BOUNDS_CHK */
+			return AGESA_BOUNDS_CHK;
+		} else {
+			BestFitNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitNodeOffset);
+			BestFitPrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + BestFitPrevNodeOffset);
+
+			/* If BestFitNode is larger than the requested buffer, fragment the node further */
+			if (BestFitNodePtr->BufferSize > (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE))) {
+				NextFreeOffset = BestFitNodeOffset + AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE);
+
+				NextFreePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextFreeOffset);
+				NextFreePtr->BufferSize = BestFitNodePtr->BufferSize - (AllocParams->BufferLength + sizeof (BIOS_BUFFER_NODE));
+				NextFreePtr->NextNodeOffset = BestFitNodePtr->NextNodeOffset;
+			} else {
+				/* Otherwise, next free node is NextNodeOffset of BestFitNode */
+				NextFreeOffset = BestFitNodePtr->NextNodeOffset;
+			}
+
+			/* If BestFitNode is the first buffer in the list, then update
+			   StartOfFreedNodes to reflect the new free node
+			*/
+			if (BestFitNodeOffset == BiosHeapBasePtr->StartOfFreedNodes) {
+				BiosHeapBasePtr->StartOfFreedNodes = NextFreeOffset;
+			} else {
+				BestFitPrevNodePtr->NextNodeOffset = NextFreeOffset;
+			}
+
+			/* Add BestFitNode to the list of Allocated nodes */
+			CurrNodePtr->NextNodeOffset = BestFitNodeOffset;
+			BestFitNodePtr->BufferSize = AllocParams->BufferLength;
+			BestFitNodePtr->BufferHandle = AllocParams->BufferHandle;
+			BestFitNodePtr->NextNodeOffset = 0;
+
+			/* Remove BestFitNode from list of Freed nodes */
+			AllocParams->BufferPointer = (UINT8 *) BestFitNodePtr + sizeof (BIOS_BUFFER_NODE);
+		}
+	}
+
+	return AGESA_SUCCESS;
+}
+
+AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+
+	UINT8               *BiosHeapBaseAddr;
+	UINT32              AllocNodeOffset;
+	UINT32              PrevNodeOffset;
+	UINT32              NextNodeOffset;
+	UINT32              FreedNodeOffset;
+	UINT32              EndNodeOffset;
+	BIOS_BUFFER_NODE   *AllocNodePtr;
+	BIOS_BUFFER_NODE   *PrevNodePtr;
+	BIOS_BUFFER_NODE   *FreedNodePtr;
+	BIOS_BUFFER_NODE   *NextNodePtr;
+	BIOS_HEAP_MANAGER  *BiosHeapBasePtr;
+	AGESA_BUFFER_PARAMS *AllocParams;
+
+	BiosHeapBaseAddr = (UINT8 *) BIOS_HEAP_START_ADDRESS;
+	BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BIOS_HEAP_START_ADDRESS;
+
+	AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
+
+	/* Find target node to deallocate in list of allocated nodes.
+	   Return AGESA_BOUNDS_CHK if the BufferHandle is not found
+	*/
+	AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
+	AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
+	PrevNodeOffset = AllocNodeOffset;
+
+	while (AllocNodePtr->BufferHandle !=  AllocParams->BufferHandle) {
+		if (AllocNodePtr->NextNodeOffset == 0) {
+			return AGESA_BOUNDS_CHK;
+		}
+		PrevNodeOffset = AllocNodeOffset;
+		AllocNodeOffset = AllocNodePtr->NextNodeOffset;
+		AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
+	}
+
+	/* Remove target node from list of allocated nodes */
+	PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
+	PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
+
+	/* Zero out the buffer, and clear the BufferHandle */
+	LibAmdMemFill ((UINT8 *)AllocNodePtr + sizeof (BIOS_BUFFER_NODE), 0, AllocNodePtr->BufferSize, &(AllocParams->StdHeader));
+	AllocNodePtr->BufferHandle = 0;
+	AllocNodePtr->BufferSize += sizeof (BIOS_BUFFER_NODE);
+
+	/* Add deallocated node in order to the list of freed nodes */
+	FreedNodeOffset = BiosHeapBasePtr->StartOfFreedNodes;
+	FreedNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + FreedNodeOffset);
+
+	EndNodeOffset = AllocNodeOffset + AllocNodePtr->BufferSize;
+
+	if (AllocNodeOffset < FreedNodeOffset) {
+		/* Add to the start of the freed list */
+		if (EndNodeOffset == FreedNodeOffset) {
+			/* If the freed node is adjacent to the first node in the list, concatenate both nodes */
+			AllocNodePtr->BufferSize += FreedNodePtr->BufferSize;
+			AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset;
+
+			/* Clear the BufferSize and NextNodeOffset of the previous first node */
+			FreedNodePtr->BufferSize = 0;
+			FreedNodePtr->NextNodeOffset = 0;
+
+		} else {
+			/* Otherwise, add freed node to the start of the list
+			   Update NextNodeOffset and BufferSize to include the
+			   size of BIOS_BUFFER_NODE
+			*/
+			AllocNodePtr->NextNodeOffset = FreedNodeOffset;
+		}
+		/* Update StartOfFreedNodes to the new first node */
+		BiosHeapBasePtr->StartOfFreedNodes = AllocNodeOffset;
+	} else {
+		/* Traverse list of freed nodes to find where the deallocated node
+		   should be place
+		*/
+		NextNodeOffset = FreedNodeOffset;
+		NextNodePtr = FreedNodePtr;
+		while (AllocNodeOffset > NextNodeOffset) {
+			PrevNodeOffset = NextNodeOffset;
+			if (NextNodePtr->NextNodeOffset == 0) {
+				break;
+			}
+			NextNodeOffset = NextNodePtr->NextNodeOffset;
+			NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
+		}
+
+		/* If deallocated node is adjacent to the next node,
+		   concatenate both nodes
+		*/
+		if (NextNodeOffset == EndNodeOffset) {
+			NextNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + NextNodeOffset);
+			AllocNodePtr->BufferSize += NextNodePtr->BufferSize;
+			AllocNodePtr->NextNodeOffset = NextNodePtr->NextNodeOffset;
+
+			NextNodePtr->BufferSize = 0;
+			NextNodePtr->NextNodeOffset = 0;
+		} else {
+			/*AllocNodePtr->NextNodeOffset = FreedNodePtr->NextNodeOffset; */
+			AllocNodePtr->NextNodeOffset = NextNodeOffset;
+		}
+		/* If deallocated node is adjacent to the previous node,
+		   concatenate both nodes
+		*/
+		PrevNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + PrevNodeOffset);
+		EndNodeOffset = PrevNodeOffset + PrevNodePtr->BufferSize;
+		if (AllocNodeOffset == EndNodeOffset) {
+			PrevNodePtr->NextNodeOffset = AllocNodePtr->NextNodeOffset;
+			PrevNodePtr->BufferSize += AllocNodePtr->BufferSize;
+
+			AllocNodePtr->BufferSize = 0;
+			AllocNodePtr->NextNodeOffset = 0;
+		} else {
+			PrevNodePtr->NextNodeOffset = AllocNodeOffset;
+		}
+	}
+	return AGESA_SUCCESS;
+}
+
+AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	UINT32				AllocNodeOffset;
+	UINT8				*BiosHeapBaseAddr;
+	BIOS_BUFFER_NODE	*AllocNodePtr;
+	BIOS_HEAP_MANAGER	*BiosHeapBasePtr;
+	AGESA_BUFFER_PARAMS	*AllocParams;
+
+	AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr;
+
+	BiosHeapBaseAddr = (UINT8 *) BIOS_HEAP_START_ADDRESS;
+	BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BIOS_HEAP_START_ADDRESS;
+
+	AllocNodeOffset = BiosHeapBasePtr->StartOfAllocatedNodes;
+	AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
+
+	while (AllocParams->BufferHandle != AllocNodePtr->BufferHandle) {
+		if (AllocNodePtr->NextNodeOffset == 0) {
+			AllocParams->BufferPointer = NULL;
+			AllocParams->BufferLength = 0;
+			return AGESA_BOUNDS_CHK;
+		} else {
+			AllocNodeOffset = AllocNodePtr->NextNodeOffset;
+			AllocNodePtr = (BIOS_BUFFER_NODE *) (BiosHeapBaseAddr + AllocNodeOffset);
+		}
+	}
+
+	AllocParams->BufferPointer = (UINT8 *) ((UINT8 *) AllocNodePtr + sizeof (BIOS_BUFFER_NODE));
+	AllocParams->BufferLength = AllocNodePtr->BufferSize;
+
+	return AGESA_SUCCESS;
+
+}
+
+AGESA_STATUS BiosRunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	AGESA_STATUS		Status;
+
+	Status = agesawrapper_amdlaterunaptask (Data, ConfigPtr);
+	return Status;
+}
+
+AGESA_STATUS BiosReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	AGESA_STATUS		Status;
+	UINT8				 Value;
+	UINTN				 ResetType;
+	AMD_CONFIG_PARAMS	 *StdHeader;
+
+	ResetType = Data;
+	StdHeader = ConfigPtr;
+
+	//
+	// Perform the RESET based upon the ResetType. In case of
+	// WARM_RESET_WHENVER and COLD_RESET_WHENEVER, the request will go to
+	// AmdResetManager. During the critical condition, where reset is required
+	// immediately, the reset will be invoked directly by writing 0x04 to port
+	// 0xCF9 (Reset Port).
+	//
+	switch (ResetType) {
+	case WARM_RESET_WHENEVER:
+	case COLD_RESET_WHENEVER:
+		break;
+
+	case WARM_RESET_IMMEDIATELY:
+	case COLD_RESET_IMMEDIATELY:
+		Value = 0x06;
+		LibAmdIoWrite (AccessWidth8, 0xCf9, &Value, StdHeader);
+		break;
+
+	default:
+		break;
+	}
+
+	Status = 0;
+	return Status;
+}
+
+AGESA_STATUS BiosDefaultRet (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+	return AGESA_UNSUPPORTED;
+}
diff --git a/src/northbridge/amd/agesa/family12/fam12_callouts.h b/src/northbridge/amd/agesa/family12/fam12_callouts.h
new file mode 100644
index 0000000000..fd08cfe65a
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/fam12_callouts.h
@@ -0,0 +1,68 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef CALLOUTS_AMD_AGESA_FAM12_H
+#define CALLOUTS_AMD_AGESA_FAM12_H
+
+#include "Porting.h"
+#include "AGESA.h"
+
+#define BIOS_HEAP_START_ADDRESS			0x10000 /* HEAP during cold boot */
+#define BIOS_HEAP_SIZE				0x20000
+#define BSP_STACK_BASE_ADDR			0x30000
+
+typedef struct _BIOS_HEAP_MANAGER {
+	UINT32 StartOfAllocatedNodes;
+	UINT32 StartOfFreedNodes;
+} BIOS_HEAP_MANAGER;
+
+typedef struct _BIOS_BUFFER_NODE {
+	UINT32 BufferHandle;
+	UINT32 BufferSize;
+	UINT32 NextNodeOffset;
+} BIOS_BUFFER_NODE;
+
+/* REQUIRED CALLOUTS
+ * AGESA ADVANCED CALLOUTS - CPU
+ */
+AGESA_STATUS BiosAllocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS BiosDeallocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS BiosLocateBuffer (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS BiosRunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS BiosReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+
+/* AGESA ADVANCED CALLOUTS - MEMORY */
+AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32	Data,VOID *ConfigPtr);
+
+/* BIOS DEFAULT RET */
+AGESA_STATUS BiosDefaultRet (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+
+/*	Call the host environment interface to provide a user hook opportunity. */
+AGESA_STATUS BiosHookBeforeDQSTraining (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+/*	Call the host environment interface to provide a user hook opportunity. */
+AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+/*	Call the host environment interface to provide a user hook opportunity. */
+AGESA_STATUS BiosHookBeforeDramInitRecovery (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+/*	Call the host environment interface to provide a user hook opportunity. */
+AGESA_STATUS BiosHookBeforeExitSelfRefresh (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+/* PCIE slot reset control */
+AGESA_STATUS BiosGnbPcieSlotReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
+
+#endif /* CALLOUTS_AMD_AGESA_FAM12_H */