--- /dev/null
+/*
+ * 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"
+
+STATIC BIOS_CALLOUT_STRUCT BiosCallouts[REQUIRED_CALLOUTS] =
+{
+ {
+ AGESA_ALLOCATE_BUFFER,
+ BiosAllocateBuffer
+ },
+
+ {
+ AGESA_DEALLOCATE_BUFFER,
+ BiosDeallocateBuffer
+ },
+
+ {
+ AGESA_DO_RESET,
+ BiosReset
+ },
+
+ {
+ AGESA_LOCATE_BUFFER,
+ BiosLocateBuffer
+ },
+
+ {
+ AGESA_READ_SPD,
+ BiosReadSpd
+ },
+
+ {
+ AGESA_READ_SPD_RECOVERY,
+ BiosDefaultRet
+ },
+
+ {
+ AGESA_RUNFUNC_ONAP,
+ BiosRunFuncOnAp
+ },
+
+ {
+ AGESA_GET_IDS_INIT_DATA,
+ BiosGetIdsInitData
+ },
+
+ {
+ AGESA_HOOKBEFORE_DQS_TRAINING,
+ BiosHookBeforeDQSTraining
+ },
+
+ {
+ AGESA_HOOKBEFORE_DRAM_INIT,
+ BiosHookBeforeDramInit
+ },
+ {
+ AGESA_HOOKBEFORE_EXIT_SELF_REF,
+ BiosHookBeforeExitSelfRefresh
+ },
+};
+
+extern AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info);
+
+AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+ UINTN i;
+ AGESA_STATUS CalloutStatus;
+
+ for (i = 0; i < REQUIRED_CALLOUTS; i++) {
+ if (BiosCallouts[i].CalloutName == Func) {
+ break;
+ }
+ }
+
+ if(i >= REQUIRED_CALLOUTS) {
+ return AGESA_UNSUPPORTED;
+ }
+
+ CalloutStatus = BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr);
+
+ return CalloutStatus;
+}
+
+
+CONST IDS_NV_ITEM IdsData[] =
+{
+ /*{
+ AGESA_IDS_NV_MAIN_PLL_CON,
+ 0x1
+ },
+ {
+ AGESA_IDS_NV_MAIN_PLL_FID_EN,
+ 0x1
+ },
+ {
+ AGESA_IDS_NV_MAIN_PLL_FID,
+ 0x8
+ },
+
+ {
+ AGESA_IDS_NV_CUSTOM_NB_PSTATE,
+ },
+ {
+ AGESA_IDS_NV_CUSTOM_NB_P0_DIV_CTRL,
+ },
+ {
+ AGESA_IDS_NV_CUSTOM_NB_P1_DIV_CTRL,
+ },
+ {
+ AGESA_IDS_NV_FORCE_NB_PSTATE,
+ },
+ */
+ {
+ 0xFFFF,
+ 0xFFFF
+ }
+};
+
+#define NUM_IDS_ENTRIES (sizeof (IdsData) / sizeof (IDS_NV_ITEM))
+
+AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+ UINTN i;
+ IDS_NV_ITEM *IdsPtr;
+
+ IdsPtr = ((IDS_CALLOUT_STRUCT *) ConfigPtr)->IdsNvPtr;
+
+ if (Data == IDS_CALLOUT_INIT) {
+ for (i = 0; i < NUM_IDS_ENTRIES; i++) {
+ IdsPtr[i].IdsNvValue = IdsData[i].IdsNvValue;
+ IdsPtr[i].IdsNvId = IdsData[i].IdsNvId;
+ }
+ }
+ 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;
+ Status = AmdMemoryReadSPD (Func, Data, 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)
+{
+ return AGESA_SUCCESS;
+}
+
+/* Call the host environment interface to provide a user hook opportunity. */
+AGESA_STATUS BiosHookBeforeDramInit (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+ return AGESA_SUCCESS;
+}
+
+/* Call the host environment interface to provide a user hook opportunity. */
+AGESA_STATUS BiosHookBeforeExitSelfRefresh (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
+{
+ return AGESA_SUCCESS;
+}
+
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