AGESA fam15: Use common callouts

Backport from fam15tn and fam16kb.

Change-Id: I6d8f9a88f0dc43c36efb168c0111a6e2bcdda5fd
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5651
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

6 files changed, 360 insertions, 1323 deletions

diff --git a/src/mainboard/amd/dinar/BiosCallOuts.c b/src/mainboard/amd/dinar/BiosCallOuts.c
index c9888b9502..47bf9623c3 100644
--- a/src/mainboard/amd/dinar/BiosCallOuts.c
+++ b/src/mainboard/amd/dinar/BiosCallOuts.c
@@ -220,332 +220,6 @@ AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 }
 
 
-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;
@@ -565,10 +239,6 @@ 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/supermicro/h8qgi/BiosCallOuts.c b/src/mainboard/supermicro/h8qgi/BiosCallOuts.c
index 2fbe70af95..32fc47e0e4 100644
--- a/src/mainboard/supermicro/h8qgi/BiosCallOuts.c
+++ b/src/mainboard/supermicro/h8qgi/BiosCallOuts.c
@@ -203,332 +203,6 @@ AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 }
 
 
-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;
@@ -550,11 +224,6 @@ 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/supermicro/h8scm/BiosCallOuts.c b/src/mainboard/supermicro/h8scm/BiosCallOuts.c
index 97f59b3442..708b0fc2ee 100644
--- a/src/mainboard/supermicro/h8scm/BiosCallOuts.c
+++ b/src/mainboard/supermicro/h8scm/BiosCallOuts.c
@@ -157,332 +157,6 @@ AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 }
 
 
-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;
@@ -495,11 +169,6 @@ 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/tyan/s8226/BiosCallOuts.c b/src/mainboard/tyan/s8226/BiosCallOuts.c
index 0d6e175f5a..00a1bef4aa 100644
--- a/src/mainboard/tyan/s8226/BiosCallOuts.c
+++ b/src/mainboard/tyan/s8226/BiosCallOuts.c
@@ -211,332 +211,6 @@ AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
 }
 
 
-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;
@@ -558,11 +232,6 @@ 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/northbridge/amd/agesa/family15/Makefile.inc b/src/northbridge/amd/agesa/family15/Makefile.inc
index 4a754995eb..41b7d7f4c5 100644
--- a/src/northbridge/amd/agesa/family15/Makefile.inc
+++ b/src/northbridge/amd/agesa/family15/Makefile.inc
@@ -17,6 +17,8 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 #
 
+romstage-y += fam15_callouts.c
 romstage-y += dimmSpd.c
 
 ramstage-y += northbridge.c
+ramstage-y += fam15_callouts.c
diff --git a/src/northbridge/amd/agesa/family15/fam15_callouts.c b/src/northbridge/amd/agesa/family15/fam15_callouts.c
new file mode 100644
index 0000000000..3067437d62
--- /dev/null
+++ b/src/northbridge/amd/agesa/family15/fam15_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 <northbridge/amd/agesa/family15/dimmSpd.h>
+#include <arch/io.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;
+}