diff options
Diffstat (limited to 'src/northbridge/amd')
-rw-r--r-- | src/northbridge/amd/agesa/family14/Makefile.inc | 2 | ||||
-rw-r--r-- | src/northbridge/amd/agesa/family14/fam14_callouts.c | 387 | ||||
-rwxr-xr-x | src/northbridge/amd/agesa/family14/fam14_callouts.h | 3 |
3 files changed, 392 insertions, 0 deletions
diff --git a/src/northbridge/amd/agesa/family14/Makefile.inc b/src/northbridge/amd/agesa/family14/Makefile.inc index e7093fe483..db2f05f353 100644 --- a/src/northbridge/amd/agesa/family14/Makefile.inc +++ b/src/northbridge/amd/agesa/family14/Makefile.inc @@ -17,6 +17,8 @@ # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # +romstage-y += fam14_callouts.c romstage-y += dimmSpd.c ramstage-y += northbridge.c +ramstage-y += fam14_callouts.c diff --git a/src/northbridge/amd/agesa/family14/fam14_callouts.c b/src/northbridge/amd/agesa/family14/fam14_callouts.c new file mode 100644 index 0000000000..6a9830dd1e --- /dev/null +++ b/src/northbridge/amd/agesa/family14/fam14_callouts.c @@ -0,0 +1,387 @@ +/* + * 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 "fam14_callouts.h" +#include "heapManager.h" +#include "SB800.h" +#include "dimmSpd.h" +#include <cbmem.h> +#include <arch/acpi.h> + +UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader) +{ + UINT32 heap = BIOS_HEAP_START_ADDRESS; + +#if CONFIG_HAVE_ACPI_RESUME + /* Both romstage and ramstage has this S3 detect. */ + if (acpi_get_sleep_type() == 3) + heap = (UINT32) cbmem_find(CBMEM_ID_RESUME_SCRATCH) + + (CONFIG_HIGH_SCRATCH_MEMORY_SIZE - BIOS_HEAP_SIZE); + /* himem_heap_base + high_stack_size */ +#endif + + return heap; +} + +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 *) GetHeapBase(&(AllocParams->StdHeader)); + BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr; + + printk(BIOS_SPEW, "%s BiosHeapBaseAddr: %x\n", __func__, (u32) BiosHeapBaseAddr); + + 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; + + AllocParams = (AGESA_BUFFER_PARAMS *) ConfigPtr; + + BiosHeapBaseAddr = (UINT8 *) GetHeapBase(&(AllocParams->StdHeader)); + BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr; + + /* 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 *) GetHeapBase(&(AllocParams->StdHeader)); + BiosHeapBasePtr = (BIOS_HEAP_MANAGER *) BiosHeapBaseAddr; + + 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 (Func, 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; +#ifdef __PRE_RAM__ + Status = agesa_ReadSPD (Func, Data, ConfigPtr); +#else + Status = AGESA_UNSUPPORTED; +#endif + + return Status; +} + +AGESA_STATUS BiosDefaultRet (UINT32 Func, UINT32 Data, VOID *ConfigPtr) +{ + return AGESA_UNSUPPORTED; +} diff --git a/src/northbridge/amd/agesa/family14/fam14_callouts.h b/src/northbridge/amd/agesa/family14/fam14_callouts.h index c48f5de5f8..a1297f752b 100755 --- a/src/northbridge/amd/agesa/family14/fam14_callouts.h +++ b/src/northbridge/amd/agesa/family14/fam14_callouts.h @@ -39,6 +39,8 @@ typedef struct _BIOS_BUFFER_NODE { UINT32 NextNodeOffset; } BIOS_BUFFER_NODE; +UINT32 GetHeapBase(AMD_CONFIG_PARAMS *StdHeader); + /* REQUIRED CALLOUTS * AGESA ADVANCED CALLOUTS - CPU */ @@ -51,6 +53,7 @@ AGESA_STATUS BiosGetIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr); /* AGESA ADVANCED CALLOUTS - MEMORY */ AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr); +AGESA_STATUS BiosReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr); /* BIOS DEFAULT RET */ AGESA_STATUS BiosDefaultRet (UINT32 Func, UINT32 Data, VOID *ConfigPtr); |