summaryrefslogtreecommitdiff
path: root/Silicon/Intel/PurleySktPkg/Library/PcieAddressLib/PcieAddressLib.c
diff options
context:
space:
mode:
Diffstat (limited to 'Silicon/Intel/PurleySktPkg/Library/PcieAddressLib/PcieAddressLib.c')
-rw-r--r--Silicon/Intel/PurleySktPkg/Library/PcieAddressLib/PcieAddressLib.c311
1 files changed, 311 insertions, 0 deletions
diff --git a/Silicon/Intel/PurleySktPkg/Library/PcieAddressLib/PcieAddressLib.c b/Silicon/Intel/PurleySktPkg/Library/PcieAddressLib/PcieAddressLib.c
new file mode 100644
index 0000000000..456e5cf3ab
--- /dev/null
+++ b/Silicon/Intel/PurleySktPkg/Library/PcieAddressLib/PcieAddressLib.c
@@ -0,0 +1,311 @@
+/** @file
+
+Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <SysHost.h>
+
+#include "PcieAddress.h"
+
+#if !defined(MINIBIOS_BUILD) && !defined(KTI_SW_SIMULATION) && !defined(SIM_BUILD)
+#include <Library/DebugLib.h>
+#endif
+
+#ifdef _MSC_VER
+#pragma optimize ("",off)
+#endif //_MSC_VER
+//////////////////////////////////////////////////////////////////////////
+//
+// Common Silicon Address Library
+// This Lib provide the way use platform Library instance
+//
+//////////////////////////////////////////////////////////////////////////
+
+PCIE_MMCFG_TABLE_TYPE mMmcfgTable =\
+ {
+ {
+ {'M', 'C', 'F', 'G'}, // Signature
+ 0x00000090, // Length
+ 0x01, // Revision
+ 0x08, // The Maximum number of Segments
+ 0x00FF, // Valid Segment Bit Map, LSB Bit0 for Seg0, bit1 for seg1 ...
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+ {{
+ 0, //MMCFG_BASE_ADDRESS, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0000, // Segment 0
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ }}
+};
+//
+// Segment 1 ~ 7
+//
+PCIE_MMCFG_BASE_ADDRESS_TYPE mMmcfgAddr[] = \
+{
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0001, // Segment 1
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0002, // Segment 2
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0003, // Segment 3
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0004, // Segment 4
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0005, // Segment 5
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0006, // Segment 6
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ },
+ {
+ 0x00000000, // Base Address Low
+ 0x00000000, // Base Address High
+ 0x0007, // Segment 7
+ 0x00, // Start Bus
+ 0xFF, // End Bus
+ {0x00,0x00,0x00,0x00} // Reserved
+ }
+};
+
+
+/**
+ This Lib is used for platfor to set platform specific Pcie MMCFG Table
+
+ @param MmcfgTable: A pointer of the MMCFG Table structure for PCIE_MMCFG_TABLE_TYPE type.
+ @param NumOfSeg: Sumber of Segments in the table.
+
+ @retval <>NULL The function completed successfully.
+ @retval NULL Returen Error
+**/
+UINTN
+SetSocketMmcfgTable (
+ IN UINT8 SocketLastBus[],
+ IN UINT8 SocketFirstBus[],
+ IN UINT8 segmentSocket[],
+ IN UINT32 mmCfgBaseH[],
+ IN UINT32 mmCfgBaseL[],
+ IN UINT8 NumOfSocket
+ )
+{
+#if !defined(MINIBIOS_BUILD) && !defined(KTI_SW_SIMULATION) && !defined(SIM_BUILD)
+ UINT32 MmcfgTableSize;
+ PCIE_MMCFG_TABLE_TYPE *HobMmcfgTable;
+ UINT8 i, *Dest, *Source;
+
+ union {
+ UINT64 D64;
+ UINT32 D32[2];
+ } Data;
+
+ MmcfgTableSize = sizeof(PCIE_MMCFG_HEADER_TYPE) + (NumOfSocket * sizeof(PCIE_MMCFG_BASE_ADDRESS_TYPE));
+
+ HobMmcfgTable = (PCIE_MMCFG_TABLE_TYPE *) PcdGetPtr (PcdPcieMmcfgTablePtr);
+ ASSERT (MmcfgTableSize < PcdGetSize (PcdPcieMmcfgTablePtr));
+
+ Data.D64 = PcdGet64 (PcdPciExpressBaseAddress);
+ mMmcfgTable.MmcfgBase[0].BaseAddressL = Data.D32[0];
+ mMmcfgTable.MmcfgBase[0].BaseAddressH = Data.D32[1];
+
+ //1. copy global variable mMcfgTable to HobMmcfgTable
+ // note that mMmcfgTable only has PCIE_MMCFG_BASE_ADDRESS_TYPE for segment 0 (for socket 0)
+ // need to copy base addresses for other segments corresponding to sockets 1 through NumOfSocket-1
+ Dest = (UINT8*)HobMmcfgTable;
+ Source = (UINT8*)&mMmcfgTable;
+ for(i=0; i<sizeof(PCIE_MMCFG_TABLE_TYPE); i++)
+ {
+ Dest[i] = Source[i];
+ }
+
+ //2. copy remaining segments 1 to NumOfSocket-1 from global array to HobMmcfgTable
+ if(NumOfSocket > 1){
+ Dest = (UINT8*)&HobMmcfgTable->MmcfgBase[1];
+ Source = (UINT8*)&mMmcfgAddr[0];//array of base addresses starting with segment 1 (max segment = 7)
+ for(i = 0; i< (MmcfgTableSize - sizeof(PCIE_MMCFG_TABLE_TYPE)); i++){
+ Dest[i] = Source[i];
+ }
+ }
+
+ HobMmcfgTable->Header.Length = MmcfgTableSize;
+ for(i=0; i<NumOfSocket; i++)
+ {
+ HobMmcfgTable->MmcfgBase[i].StartBus = SocketFirstBus[i];
+ HobMmcfgTable->MmcfgBase[i].EndBus = SocketLastBus[i];
+ HobMmcfgTable->MmcfgBase[i].Segment = segmentSocket[i];
+ HobMmcfgTable->MmcfgBase[i].BaseAddressH = mmCfgBaseH[i];
+ HobMmcfgTable->MmcfgBase[i].BaseAddressL = mmCfgBaseL[i];
+ }
+#endif
+ return 0;
+};
+
+
+/**
+ This Lib is used for platform to set platform specific Pcie MMCFG Table
+
+ @param MmcfgTable: A pointer of the MMCFG Table structure for PCIE_MMCFG_TABLE_TYPE type.
+ @param NumOfSeg: Sumber of Segments in the table.
+
+ @retval <>NULL The function completed successfully.
+ @retval NULL Returen Error
+**/
+UINTN
+EFIAPI
+SetPcieSegMmcfgTable (
+ IN PCIE_MMCFG_TABLE_TYPE *MmcfgTable,
+ IN UINT32 NumOfSeg
+ )
+{
+#if !defined(MINIBIOS_BUILD) && !defined(KTI_SW_SIMULATION) && !defined(SIM_BUILD)
+ UINT32 MmcfgTableSize;
+ PCIE_MMCFG_TABLE_TYPE *HobMmcfgTable;
+
+ union {
+ UINT64 D64;
+ UINT32 D32[2];
+ } Data;
+
+ Data.D32[0] = Data.D32[1] = 0;
+ MmcfgTableSize = sizeof(PCIE_MMCFG_HEADER_TYPE) + (NumOfSeg * sizeof(PCIE_MMCFG_BASE_ADDRESS_TYPE));
+
+ HobMmcfgTable = (PCIE_MMCFG_TABLE_TYPE *) PcdGetPtr (PcdPcieMmcfgTablePtr);
+ //ASSERT (MmcfgTableSize < PcdGetSize (PcdPcieMmcfgTablePtr));
+
+ //InternalMemCopyMem(HobMmcfgTable, MmcfgTable, PcdGetSize (PcdPcieMmcfgTablePtr));
+ MmcfgTable->Header.Length = MmcfgTableSize;
+ if((MmcfgTable->MmcfgBase[0].BaseAddressL == 0) && (MmcfgTable->MmcfgBase[0].BaseAddressH == 0))
+ {
+ //
+ // The first time default should be the PcdPciExpressBaseAddress
+ //
+ Data.D64 = (UINTN) PcdGet64 (PcdPciExpressBaseAddress);
+ HobMmcfgTable->MmcfgBase[0].BaseAddressL = Data.D32[0];
+ HobMmcfgTable->MmcfgBase[0].BaseAddressH = Data.D32[1];
+ };
+#endif
+ return 0;
+};
+
+
+/**
+ This Lib return PCIE MMCFG Base Address
+
+ @param Address: A pointer of the address of the Common Address Structure for PCIE type.
+ @param Buffer: A pointer of buffer for the value read from platform.
+
+ @retval <>NULL The function completed successfully.
+ @retval NULL Returen Error
+ **/
+
+UINTN
+EFIAPI
+GetPcieSegMmcfgBaseAddress (
+ IN USRA_ADDRESS *Address
+ )
+{
+ UINT32 BaseAddressL=0; // Processor-relative Base Address (Lower 32-bit) for the Enhanced Configuration Access Mechanism
+ UINT32 BaseAddressH=0;
+ UINTN SegMmcfgBase;
+
+#if !defined(MINIBIOS_BUILD) && !defined(KTI_SW_SIMULATION)
+ PCIE_MMCFG_TABLE_TYPE *MmcfgTable=NULL;
+ union {
+ UINTN D64;
+ UINT32 D32[2];
+ } Data;
+#endif
+#if !defined(MINIBIOS_BUILD) && !defined(KTI_SW_SIMULATION)
+ if(Address->Attribute.HostPtr == 0) {
+ MmcfgTable = (PCIE_MMCFG_TABLE_TYPE *) PcdGetPtr (PcdPcieMmcfgTablePtr);
+ if(MmcfgTable->Header.Length != 0)
+ {
+ BaseAddressH = MmcfgTable->MmcfgBase[Address->Pcie.Seg].BaseAddressH;
+ BaseAddressL = MmcfgTable->MmcfgBase[Address->Pcie.Seg].BaseAddressL;
+ } else {
+ //
+ // if it is not valid MMCFG pointer, initialize it to use the predefined default MMCFG Table
+ //
+ SetPcieSegMmcfgTable(&mMmcfgTable, PcdGet32 (PcdNumOfPcieSeg));
+ BaseAddressH = mMmcfgTable.MmcfgBase[Address->Pcie.Seg].BaseAddressH;
+ BaseAddressL = mMmcfgTable.MmcfgBase[Address->Pcie.Seg].BaseAddressL;
+
+ if((BaseAddressL == 0) && (BaseAddressH == 0)){
+ Data.D32[0] = Data.D32[1] = 0;
+ Data.D64 = (UINTN) PcdGet64 (PcdPciExpressBaseAddress);
+ BaseAddressL = Data.D32[0];
+ BaseAddressH = Data.D32[1];
+ }
+ }
+ }
+ else
+#endif
+ {
+ BaseAddressH = 0;
+ BaseAddressL = 0;
+ }
+
+ if((BaseAddressL == 0) && (BaseAddressH == 0))
+ {
+
+#if defined(MINIBIOS_BUILD) || defined(KTI_SW_SIMULATION)
+ BaseAddressL = 0x80000000;
+ BaseAddressH = 0;
+#else
+ //
+ // The first time default should be the PcdPciExpressBaseAddress
+ //
+ Data.D32[0] = Data.D32[1] = 0;
+ Data.D64 = (UINTN) PcdGet64 (PcdPciExpressBaseAddress);
+ BaseAddressL = Data.D32[0];
+ BaseAddressH = Data.D32[1];
+#endif
+ }
+ return SegMmcfgBase = BaseAddressL;
+
+};
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 14:44:27 +0000