diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSrat.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSrat.c | 565 |
1 files changed, 565 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSrat.c b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSrat.c new file mode 100644 index 0000000000..e3ba90244a --- /dev/null +++ b/src/vendorcode/amd/agesa/f14/Proc/CPU/Feature/cpuSrat.c @@ -0,0 +1,565 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * AMD SRAT, ACPI table related API functions. + * + * Contains code that Create the APCI SRAT Table after early reset. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: CPU + * @e \$Revision: 35658 $ @e \$Date: 2010-07-28 18:11:31 +0800 (Wed, 28 Jul 2010) $ + * + */ +/* + ***************************************************************************** + * + * Copyright (c) 2011, 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. + * + * *************************************************************************** + * + */ + +/*---------------------------------------------------------------------------------------- + * M O D U L E S U S E D + *---------------------------------------------------------------------------------------- + */ +#include "AGESA.h" +#include "amdlib.h" +#include "cpuServices.h" +#include "OptionSrat.h" +#include "heapManager.h" +#include "cpuRegisters.h" +#include "cpuLateInit.h" +#include "Ids.h" +#include "Filecode.h" +CODE_GROUP (G3_DXE) +RDATA_GROUP (G3_DXE) + +#define FILECODE PROC_CPU_FEATURE_CPUSRAT_FILECODE +/*---------------------------------------------------------------------------------------- + * D E F I N I T I O N S A N D M A C R O S + *---------------------------------------------------------------------------------------- + */ +extern OPTION_SRAT_CONFIGURATION OptionSratConfiguration; // global user config record + +#define NodeID 0x60 + +/*---------------------------------------------------------------------------------------- + * T Y P E D E F S A N D S T R U C T U R E S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------- + * All of the DATA should be defined in _CODE segment. + * Use ROMDATA to specify that it belongs to _CODE. + *---------------------------------------------------------------------------- + */ +STATIC CPU_SRAT_HEADER ROMDATA CpuSratHdrStruct = +{ + 'S','R','A','T', + 0, + 2, + 0, + 'A','M','D',' ',' ',' ', + 'A','G','E','S','A',' ',' ',' ', + 1, + 'A','M','D',' ', + 1, + 1, + {0, 0, 0, 0, 0, 0, 0, 0} +}; + +/*---------------------------------------------------------------------------------------- + * P R O T O T Y P E S O F L O C A L F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +UINT8 +STATIC +*MakeApicEntry ( + IN UINT8 ApicId, + IN UINT8 Domain, + IN UINT8 *BufferLocPtr + ); + +UINT8 +STATIC +*FillMemoryForCurrentNode ( + IN UINT8 *PDomain, + IN OUT UINT8 *PDomainForBase640K, + IN UINT8 Node, + IN OUT UINT8 *BufferLocPtr, + IN OUT AMD_CONFIG_PARAMS *StdHeader + ); + +UINT8 +STATIC +*MakeMemEntry ( + IN UINT8 PDomain, + IN UINT8 Node, + IN UINT32 Base, + IN UINT32 Size, + IN UINT8 *BufferLocPtr + ); + +/*---------------------------------------------------------------------------------------- + * E X P O R T E D F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ +/*---------------------------------------------------------------------------------------*/ +/** + * + * This function will generate a complete Static Resource Affinity Table + * i.e. SRAT into a memory buffer. After completion, this table must be set + * by the system BIOS into its internal ACPI name space. + * + * @param[in, out] StdHeader Standard Head Pointer + * @param[in, out] SratPtr Point to Srat Struct including buffer address and length + * + * @retval AGESA_STATUS + */ + +AGESA_STATUS +CreateAcpiSrat ( + IN OUT AMD_CONFIG_PARAMS *StdHeader, + IN OUT VOID **SratPtr + ) +{ + AGESA_TESTPOINT (TpProcCpuEntrySrat, StdHeader); + return ((*(OptionSratConfiguration.SratFeature)) (StdHeader, SratPtr)); +} + +/*---------------------------------------------------------------------------------------*/ +/** + * + * This is the default routine for use when the SRAT option is NOT requested. + * + * The option install process will create and fill the transfer vector with + * the address of the proper routine (Main or Stub). The link optimizer will + * strip out of the .DLL the routine that is not used. + * + * @param[in, out] StdHeader Standard Head Pointer + * @param[in, out] SratPtr Point to Srat Struct including buffer address and length + * + * @retval AGESA_STATUS + */ + +AGESA_STATUS +GetAcpiSratStub ( + IN OUT AMD_CONFIG_PARAMS *StdHeader, + IN OUT VOID **SratPtr + ) +{ + return AGESA_UNSUPPORTED; +} +/*---------------------------------------------------------------------------------------*/ +/** + * + * This function will generate a complete Static Resource Affinity Table + * i.e. SRAT into a memory buffer. After completion, this table must be set + * by the system BIOS into its internal ACPI name space. + * + * @param[in, out] StdHeader Standard Head Pointer + * @param[in, out] SratPtr Point to Srat Struct including buffer address and length + * + * @retval AGESA_STATUS + */ +AGESA_STATUS +GetAcpiSratMain ( + IN OUT AMD_CONFIG_PARAMS *StdHeader, + IN OUT VOID **SratPtr + ) +{ + UINT8 *BufferPtr; + UINT8 NodeNum; + UINT8 NodeCount; + UINT8 PDomain; + UINT8 PDomainForBase640K; + UINT32 Socket; + UINT32 Module; + UINT32 LowCore; + UINT32 HighCore; + UINT32 CoreNum; + UINT32 RegVal; + UINT32 tempVar_32; + AMD_APIC_PARAMS ApicParams; + PCI_ADDR PciAddress; + CPU_SRAT_HEADER *CpuSratHeaderStructPtr; + ALLOCATE_HEAP_PARAMS AllocParams; + + // Get Node count + PciAddress.AddressValue = MAKE_SBDFO (0, 0, LOW_NODE_DEVICEID, FUNC_0, NodeID); + LibAmdPciRead (AccessWidth32 , PciAddress, &RegVal, StdHeader); + NodeCount = (UINT8) (((RegVal >> 4) & 0x7) + 1); + + // The worst-case buffer size to request is for the SRAT table header, one + // entree for special region (base 640k block), two memory + // regions per node, and APIC entries for each core in the system. + tempVar_32 = (sizeof (CPU_SRAT_HEADER)) + (sizeof (CPU_SRAT_MEMORY_ENTRY)) + + ((UINT32) NodeCount * (2 * (sizeof (CPU_SRAT_MEMORY_ENTRY)) + + ((UINT32) GetActiveCoresInCurrentModule (StdHeader) * sizeof (CPU_SRAT_APIC_ENTRY)))); + + if (*SratPtr == NULL) { + // + // Allocate a buffer + // + AllocParams.RequestedBufferSize = tempVar_32; + AllocParams.BufferHandle = AMD_SRAT_INFO_BUFFER_HANDLE; + AllocParams.Persist = HEAP_SYSTEM_MEM; + + AGESA_TESTPOINT (TpProcCpuBeforeAllocateSratBuffer, StdHeader); + if (HeapAllocateBuffer (&AllocParams, StdHeader) != AGESA_SUCCESS) { + return AGESA_ERROR; + } + AGESA_TESTPOINT (TpProcCpuAfterAllocateSratBuffer, StdHeader); + + *SratPtr = AllocParams.BufferPtr; + } + + IDS_HDT_CONSOLE (CPU_TRACE, " SRAT is created\n"); + + CpuSratHeaderStructPtr = (CPU_SRAT_HEADER *) *SratPtr; + BufferPtr = (UINT8 *) *SratPtr; + + // Copy acpiSRATHeader -> data buffer + LibAmdMemCopy (*SratPtr, (VOID *) &CpuSratHdrStruct, (UINTN) (sizeof (CPU_SRAT_HEADER)), StdHeader); + + BufferPtr += sizeof (CPU_SRAT_HEADER); + + // Place all memory and IO affinity entries + NodeNum = 0; + PDomain = 0; + PDomainForBase640K = 0xFF; + ApicParams.StdHeader = *StdHeader; + while (NodeNum < NodeCount) { + GetSocketModuleOfNode ((UINT32) NodeNum, &Socket, &Module, StdHeader); + GetGivenModuleCoreRange (Socket, Module, &LowCore, &HighCore, StdHeader); + BufferPtr = FillMemoryForCurrentNode (&PDomain, &PDomainForBase640K, NodeNum, BufferPtr, StdHeader); + for (CoreNum = LowCore; CoreNum <= HighCore; CoreNum++) { + ApicParams.Socket = (UINT8) Socket; + ApicParams.Core = (UINT8) CoreNum; + AmdGetApicId (&ApicParams); + if (ApicParams.IsPresent) { + BufferPtr = MakeApicEntry (ApicParams.ApicAddress, PDomain, BufferPtr); + } + } + + NodeNum++; + PDomain = NodeNum; + } + + // Store size in table (current buffer offset - buffer start offset) + CpuSratHeaderStructPtr->TableLength = (UINT32) (BufferPtr - (UINT8 *) CpuSratHeaderStructPtr); + + //Update SSDT header Checksum + ChecksumAcpiTable ((ACPI_TABLE_HEADER *) CpuSratHeaderStructPtr, StdHeader); + + return AGESA_SUCCESS; +} + + +/*---------------------------------------------------------------------------------------- + * L O C A L F U N C T I O N S + *---------------------------------------------------------------------------------------- + */ + +/*---------------------------------------------------------------------------------------*/ +/** + * + * This function will build Memory entry for current node. + * Note that we only create a memory affinity entry if we find one + * that matches the current node. This makes an easier to read table + * though it is not necessary. + * + * @param[in] PDomain Proximity Domain + * @param[in, out] PDomainForBase640K The PDomain for Base 640K + * @param[in] Node The number of Node + * @param[in, out] BufferLocPtr Point to the address of buffer + * @param[in, out] StdHeader Standard Head Pointer + * + * @retval UINT8 *(New buffer location ptr) + */ +UINT8 +STATIC +*FillMemoryForCurrentNode ( + IN UINT8 *PDomain, + IN OUT UINT8 *PDomainForBase640K, + IN UINT8 Node, + IN OUT UINT8 *BufferLocPtr, + IN OUT AMD_CONFIG_PARAMS *StdHeader + ) +{ + UINT32 ValueLimit; + UINT32 ValueTOM; + BOOLEAN isModified; + UINT8 Domain; + UINT32 RegVal; + UINT32 DramLeng; + UINT32 DramBase; + UINT32 DramLimit; + UINT32 OffsetRegs; + PCI_ADDR PciAddress; + UINT64 MsrValue; + + Domain = *PDomain; + + PciAddress.Address.Segment = 0; + PciAddress.Address.Bus = 0; + PciAddress.Address.Device = LOW_NODE_DEVICEID; + PciAddress.Address.Function = FUNC_1; + + for (OffsetRegs = DRAMBase0; OffsetRegs < MMIOBase0; OffsetRegs += 8) { + isModified = FALSE; // FALSE means normal update procedure + // Get DRAM Base Address + PciAddress.Address.Register = OffsetRegs; + LibAmdPciRead (AccessWidth32, PciAddress, &RegVal, StdHeader); + if ((RegVal & 3) != 3) { + // 0:1 set if memory range enabled + // Not set, so we don't have an enabled range + continue; // Proceed to next Base register + } + + // Get DRAM Limit + PciAddress.Address.Register = OffsetRegs + 4; + LibAmdPciRead (AccessWidth32, PciAddress, &DramLimit, StdHeader); + if (DramLimit == 0xFFFFFFFF) { + // Node not installed(all FF's)? + continue; // Proceed to next Base register + } + + if ((DramLimit & 0xFF) != Node) { + // Check if Destination Node ID is current node + continue; // Proceed to next Base register + } + + // We only add an entry now if detected range belongs to current node/PDomain + DramLimit >>= 16; // Get DRAM Limit addr [39:24] + DramLimit++; // Add 1 for potential length + DramLimit <<= 16; // Restore it to original location + + // Get DRAM Base Address + PciAddress.Address.Register = OffsetRegs; + LibAmdPciRead (AccessWidth32, PciAddress, &DramBase, StdHeader); + DramBase &= 0xFFFF0000; // Keep only Base value [31:16] + DramLeng = DramLimit - DramBase; // Subtract base from limit to get length + + // Leave hole for conventional memory (Less than 640K). It must be on CPU 0. + if (DramBase == 0) { + if (*PDomainForBase640K == 0xFF) { + // It is the first time that the range start at 0. + // If Yes, then Place 1MB memory gap and save Domain to PDomainForBase640K + BufferLocPtr = MakeMemEntry ( + Domain, + Node, + 0, // Base = 0 + 0xA0000 >> 8, // Put it into format used in DRAM regs.. + BufferLocPtr + ); + DramBase += 0x1000; // Add 1MB, so range = 1MB to Top of Region + DramLeng -= 0x1000; // Also subtract 1MB from the length + *PDomainForBase640K = Domain; // Save Domain number for memory Less than 640K + } else { + // If No, there are more than one memory range less than 640K, it should that + // node interleaving is enabled. All nodes have the same memory ranges + // and all cores in these nodes belong to the same domain. + *PDomain = *PDomainForBase640K; + return (BufferLocPtr); + } + } + LibAmdMsrRead (TOP_MEM, &MsrValue, StdHeader); + ValueTOM = (UINT32) MsrValue >> 8; // Save it in 39:24 format + ValueLimit = DramBase + DramLeng; // We need to know how large region is + + // SPECIAL CASES: + // + // Several conditions require that we process the values of the memory range differently. + // Here are descriptions of the corner cases. + // + // 1. TRUNCATE LOW - Memory range starts below TOM, ends in TOM (memory hole). For this case, + // the range must be truncated to end at TOM. + // ******************************* ******************************* + // * * * -> * * + // ******************************* ******************************* + // 2 TOM 4 2 TOM + // + // 2. TRUNCATE HIGH - Memory range starts below 4GB, ends above 4GB. This is handled by changing the + // start base to 4GB. + // **************** ********** + // * * * -> * * + // **************** ********** + // TOM 3.8 4 6 TOM 3.8 4 6 + // + // 3. Memory range starts below TOM, ends above 4GB. For this case, the range must be truncated + // to end at TOM. Note that this scenario creates two ranges, as the second comparison below + // will find that it ends above 4GB since base and limit have been restored after first truncation, + // and a second range will be written based at 4GB ending at original end address. + // ******************************* **************** ********** + // * * * * -> * * * * + // ******************************* **************** ********** + // 2 TOM 4 6 2 TOM 4 6 + // + // 4. Memory range starts above TOM, ends below or equal to 4GB. This invalid range should simply + // be ignored. + // ******* + // * * -> < NULL > + // ******* + // TOM 3.8 4 + + if (((DramBase < ValueTOM) && (ValueLimit <= FOURGB) && (ValueLimit > ValueTOM)) + || ((DramBase < ValueTOM) && (ValueLimit > FOURGB))) { + // TRUNCATE LOW!!! Shrink entry below TOM... + // Base = DramBase, Size = TOM - DramBase + BufferLocPtr = MakeMemEntry (Domain, Node, DramBase, (ValueTOM - DramBase), BufferLocPtr); + isModified = TRUE; + } + + if ((ValueLimit > FOURGB) && (DramBase < FOURGB)) { + // TRUNCATE HIGH!!! Shrink entry above 4GB... + // Size = Base + Size - 4GB, Base = 4GB + BufferLocPtr = MakeMemEntry (Domain, Node, FOURGB, (DramLeng + DramBase - FOURGB), BufferLocPtr); + isModified = TRUE; + } + + if ((DramBase >= ValueTOM) && (ValueLimit <= FOURGB)) { + // IGNORE!!! Entry located entirely within memory hole + isModified = TRUE; + } + + // If special range(isModified), we are done. + // If not, finally write the memory entry. + if (isModified == FALSE) { + // Finally write the memory entry. + BufferLocPtr = MakeMemEntry (Domain, Node, DramBase, DramLeng, BufferLocPtr); + } + + } // for ( OffsetRegs = DRAMBase0; ... ) + + return (BufferLocPtr); +} // FillMemoryForCurrentNode() + + +/*---------------------------------------------------------------------------------------*/ +/** + * This function will add APIC entry. + * + * @param[in] ApicId APIC ID number + * @param[in] Domain Domain number + * @param[in] BufferLocPtr Point to the address of buffer + * + * @retval UINT8 *(New buffer location ptr) + */ +UINT8 +STATIC +*MakeApicEntry ( + IN UINT8 ApicId, + IN UINT8 Domain, + IN UINT8 *BufferLocPtr + ) +{ + CPU_SRAT_APIC_ENTRY *psSratApicEntry; + UINT8 ReservedBytes; + + psSratApicEntry = (CPU_SRAT_APIC_ENTRY *)BufferLocPtr; + + psSratApicEntry->Type = AE_APIC; + psSratApicEntry->Length = (UINT8)sizeof (CPU_SRAT_APIC_ENTRY); + psSratApicEntry->Domain = Domain; + psSratApicEntry->ApicId = ApicId; + psSratApicEntry->Flags = ENABLED; + psSratApicEntry->LSApicEid = 0; + for (ReservedBytes = 0; ReservedBytes < (UINT8)sizeof (psSratApicEntry->Reserved); ReservedBytes++) { + psSratApicEntry->Reserved[ReservedBytes] = 0; + } + return (BufferLocPtr + (UINT8)sizeof (CPU_SRAT_APIC_ENTRY)); +} // MakeApicEntry + + +/*---------------------------------------------------------------------------------------*/ +/** + * + * This function will add Memory entry. + * + * Parameters: + * @param[in] PDomain Proximity Domain + * @param[in] Node The number of Node + * @param[in] Base Memory Base + * @param[in] Size Memory Size + * @param[in] BufferLocPtr Point to the address of buffer + * + * @retval UINT8 * (new buffer location ptr) + */ +UINT8 +STATIC +*MakeMemEntry ( + IN UINT8 PDomain, + IN UINT8 Node, + IN UINT32 Base, + IN UINT32 Size, + IN UINT8 *BufferLocPtr + ) +{ + CPU_SRAT_MEMORY_ENTRY *psSratMemEntry; + UINT8 ReservedBytes; + + psSratMemEntry = (CPU_SRAT_MEMORY_ENTRY *)BufferLocPtr; + + psSratMemEntry->Type = AE_MEMORY; // [0] = Memory Entry + psSratMemEntry->Length = (UINT8)sizeof (CPU_SRAT_MEMORY_ENTRY); // [1] = 40 + psSratMemEntry->Domain = PDomain; // [2] = Proximity Domain + + // [6-7] = Reserved + for (ReservedBytes = 0; ReservedBytes < (UINT8)sizeof (psSratMemEntry->Reserved1); ReservedBytes++) { + psSratMemEntry->Reserved1[ReservedBytes] = 0; + } + + // [8-11] = Keep 31:0 of address only -> Base Addr Low + psSratMemEntry->BaseAddrLow = Base << 8; + + // [12-15] = Keep 39:32 of address only -> Base Addr High + psSratMemEntry->BaseAddrHigh = Base >> 24; + + // [16-19] = Keep 31:0 of address only -> Length Low + psSratMemEntry->LengthAddrLow = Size << 8; + + // [20-23] = Keep 39:32 of address only -> Length High + psSratMemEntry->LengthAddrHigh = Size >> 24; + + // [24-27] = Reserved + for (ReservedBytes = 0; ReservedBytes < (UINT8)sizeof (psSratMemEntry->Reserved2); ReservedBytes++) { + psSratMemEntry->Reserved2[ReservedBytes] = 0; + } + + // [28-31] = Flags + psSratMemEntry->Flags = ENABLED; + + // [32-40] = Reserved + for (ReservedBytes = 0; ReservedBytes < (UINT8)sizeof (psSratMemEntry->Reserved3); ReservedBytes++) { + psSratMemEntry->Reserved3[ReservedBytes] = 0; + } + return (BufferLocPtr + (UINT8)sizeof (CPU_SRAT_MEMORY_ENTRY)); +} // MakeMemEntry() + |