blob: 6869ab9144e8f2b93542fb6e64860087612779b4 [file] [log] [blame]
/**
* @file
*
* NB services
*
* @xrefitem bom "File Content Label" "Release Content"
* @e project: AGESA
* @e sub-project: GNB
* @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
*
*/
/*
* Copyright (c) 2008 - 2012, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "GnbIommuScratch.h"
#include "AGESA.h"
#include "Ids.h"
#include "S3SaveState.h"
#include "Gnb.h"
#include "GnbPcieConfig.h"
#include "GnbCommonLib.h"
#include "GnbFamServices.h"
#include "GnbRegistersTN.h"
#include "heapManager.h"
#include "Filecode.h"
#define FILECODE PROC_GNB_MODULES_GNBIOMMUSCRATCH_GNBIOMMUSCRATCH_FILECODE
/**
* Set Iommu Scratch Memory Range
* 1) code needs to be executed at Late Init
* 2) Allocate heap using heap type HEAP_RUNTIME_SYSTEM_MEM
* 3) Allocate enough memory to be able to get address aligned required by register
* 4) Assign same address to all Gnb in system
*
*
* @param[in] StdHeader Standard configuration header
*/
AGESA_STATUS
GnbIommuScratchMemoryRangeInterface (
IN AMD_CONFIG_PARAMS *StdHeader
)
{
AGESA_STATUS Status;
ALLOCATE_HEAP_PARAMS AllocHeapParams;
UINT32 AddressLow;
UINT32 AddressHigh;
GNB_HANDLE *GnbHandle;
IDS_HDT_CONSOLE (GNB_TRACE, "GnbIommuScratchMemoryRangeInterface Enter\n");
AllocHeapParams.RequestedBufferSize = 128;
AllocHeapParams.BufferHandle = AMD_GNB_IOMMU_SCRATCH_MEM_HANDLE;
AllocHeapParams.Persist = HEAP_RUNTIME_SYSTEM_MEM;
Status = HeapAllocateBuffer (&AllocHeapParams, StdHeader);
if (Status != AGESA_SUCCESS) {
IDS_HDT_CONSOLE (GNB_TRACE, " Iommu Scratch Memory not allocated.\n");
ASSERT (FALSE);
return AGESA_FATAL;
}
/*Align the address to 64 bytes boundary */
#ifdef __x86_64__
AddressLow = (((UINT32) ((UINT64) AllocHeapParams.BufferPtr)) + 0x3F) & D0F0x98_x27_IOMMUUrAddr_31_6__MASK;
AddressHigh = ((UINT32) (((UINT64) AllocHeapParams.BufferPtr) >> 32)) & D0F0x98_x26_IOMMUUrAddr_39_32__MASK;
#else
AddressLow = ((((UINT32) AllocHeapParams.BufferPtr)) + 0x3F) & D0F0x98_x27_IOMMUUrAddr_31_6__MASK;
AddressHigh = 0;
#endif
GnbHandle = GnbGetHandle (StdHeader);
while (GnbHandle != NULL) {
if (GnbFmCheckIommuPresent (GnbHandle, StdHeader)) {
IDS_HDT_CONSOLE (GNB_TRACE, "Set Iommu Scratch Memory for Socket %d Silicon %d\n", GnbGetSocketId (GnbHandle) , GnbGetSiliconId (GnbHandle));
GnbLibPciIndirectWrite (
GnbHandle->Address.AddressValue | D0F0x94_ADDRESS,
D0F0x98_x27_ADDRESS | (1 << D0F0x94_OrbIndWrEn_OFFSET),
AccessS3SaveWidth32,
&AddressLow,
StdHeader);
GnbLibPciIndirectWrite (
GnbHandle->Address.AddressValue | D0F0x94_ADDRESS,
D0F0x98_x26_ADDRESS | (1 << D0F0x94_OrbIndWrEn_OFFSET),
AccessS3SaveWidth32,
&AddressHigh,
StdHeader);
}
GnbHandle = GnbGetNextHandle (GnbHandle);
}
IDS_HDT_CONSOLE (GNB_TRACE, "GnbIommuScratchMemoryRangeInterface Exit\n");
return AGESA_SUCCESS;
}