Add the SMBIOS type 4 table (Processor Information) that includes
information about manufacture, family, processor id, maximum operating
frequency, and other information related to the processor.
Signed-off-by: Pranav Madhu <pranav.ma...@arm.com>
---
Platform/ARM/SgiPkg/SgiPlatform.dsc.inc |
1 +
Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf |
6 +
Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h |
12 ++
Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c |
1 +
Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type4ProcessorInformation.c |
209 ++++++++++++++++++++
5 files changed, 229 insertions(+)
diff --git a/Platform/ARM/SgiPkg/SgiPlatform.dsc.inc
b/Platform/ARM/SgiPkg/SgiPlatform.dsc.inc
index a0f217f5107c..091de0c99c74 100644
--- a/Platform/ARM/SgiPkg/SgiPlatform.dsc.inc
+++ b/Platform/ARM/SgiPkg/SgiPlatform.dsc.inc
@@ -56,6 +56,7 @@
HobLib|MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf
MemoryAllocationLib|MdeModulePkg/Library/DxeCoreMemoryAllocationLib/DxeCoreMemoryAllocationLib.inf
PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
+ PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
[LibraryClasses.common.DXE_DRIVER]
FdtLib|EmbeddedPkg/Library/FdtLib/FdtLib.inf
diff --git
a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
index b3c1619ddc66..4652a9c62b88 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
@@ -18,6 +18,7 @@
Type0BiosInformation.c
Type1SystemInformation.c
Type3SystemEnclosure.c
+ Type4ProcessorInformation.c
[Packages]
ArmPkg/ArmPkg.dec
@@ -27,9 +28,11 @@
Platform/ARM/SgiPkg/SgiPlatform.dec
[LibraryClasses]
+ ArmLib
ArmPlatformLib
DebugLib
HobLib
+ PrintLib
UefiDriverEntryPoint
[Guids]
@@ -37,6 +40,9 @@
gArmSgiPlatformIdDescriptorGuid
[FixedPcd]
+ gArmPlatformTokenSpaceGuid.PcdClusterCount
+ gArmPlatformTokenSpaceGuid.PcdCoreCount
+ gArmSgiTokenSpaceGuid.PcdChipCount
gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareRevision
[Protocols]
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
index 4a6f8be2a2c2..8a9be0cfc4c8 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.h
@@ -29,8 +29,20 @@ InstallSystemEnclosure (
IN EFI_SMBIOS_PROTOCOL *Smbios
);
+EFI_STATUS
+EFIAPI
+InstallProcessorInformation (
+ IN EFI_SMBIOS_PROTOCOL *Smbios
+ );
+
enum SMBIOS_REFRENCE_HANDLES {
SMBIOS_HANDLE_ENCLOSURE = 0x1000,
+ SMBIOS_HANDLE_CLUSTER1,
+ SMBIOS_HANDLE_L1I_CACHE,
+ SMBIOS_HANDLE_L1D_CACHE,
+ SMBIOS_HANDLE_L2_CACHE,
+ SMBIOS_HANDLE_L3_CACHE,
+ SMBIOS_HANDLE_L4_CACHE,
};
#endif // SMBIOS_PLATFORM_DXE_H_
diff --git a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
index 5f4b833dc9fe..269bd0f9d843 100644
--- a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/SmbiosPlatformDxe.c
@@ -29,6 +29,7 @@ ARM_RD_SMBIOS_TABLE_INSTALL_FPTR mSmbiosTableList[] = {
&InstallBiosInformation,
&InstallSystemInformation,
&InstallSystemEnclosure,
+ &InstallProcessorInformation,
};
/**
diff --git
a/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type4ProcessorInformation.c
b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type4ProcessorInformation.c
new file mode 100644
index 000000000000..fda532b558af
--- /dev/null
+++ b/Platform/ARM/SgiPkg/Drivers/SmbiosPlatformDxe/Type4ProcessorInformation.c
@@ -0,0 +1,209 @@
+/** @file
+ SMBIOS Type 4 (Processor information) table for ARM RD platforms.
+
+ This file installs SMBIOS Type 4 (Processor information) Table for Arm's
+ Reference Design platforms. It includes information about manufacture,
+ family, processor id, maximum operating frequency, and other information
+ related to the processor.
+
+ Copyright (c) 2021, ARM Limited. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - SMBIOS Reference Specification 3.4.0, Chapter 7.5
+**/
+
+#include <Library/ArmLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PrintLib.h>
+#include <Protocol/Smbios.h>
+
+#include "SgiPlatform.h"
+#include "SmbiosPlatformDxe.h"
+
+#define NEOVERSE_E1_THREADS_PER_CORE 2
+
+#define SOCKET_TYPE_BASE 3
+#define SOCKET_TYPE_NUM 1
+#define PROCESSOR_VERSION_BASE (SOCKET_TYPE_BASE + SOCKET_TYPE_NUM)
+#define PROCESSOR_VERSION_NUM 8
+#define SERIAL_NUMBER_BASE (PROCESSOR_VERSION_BASE +
PROCESSOR_VERSION_NUM)
+#define TYPE4_STRINGS \
+ "0x000\0" /* Part Number */ \
+ "ARM LTD\0" /* manufactuer */ \
+ "Other\0" /* socket type */ \
+ "Unknown\0" /* Processor Version */ \
+ "Cortex-A75\0" \
+ "Neoverse-N1\0" \
+ "Neoverse-N1\0" \
+ "Neoverse-E1\0" \
+ "Neoverse-V1\0" \
+ "Neoverse-V1\0" \
+ "Neoverse-N2\0" \
+ "000-0\0" /* Serial number */ \
+ "783-3\0" \
+ "786-1\0" \
+ "786-1\0" \
+ "786-2\0" \
+ "78A-1\0" \
+ "78A-2\0" \
+ "7B7-1\0"
+
+/* SMBIOS Type4 structure */
+#pragma pack(1)
+struct ArmRdSmbiosType4 {
+ SMBIOS_TABLE_TYPE4 Base;
+ UINT8 Strings[sizeof (TYPE4_STRINGS)];
+} ARM_TYPE4;
+#pragma pack()
+
+/* Processor information */
+static struct ArmRdSmbiosType4 mArmRdSmbiosType4 = {
+ {
+ {
+ // SMBIOS header
+ EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION, // Type 4
+ sizeof (SMBIOS_TABLE_TYPE4), // Length
+ SMBIOS_HANDLE_CLUSTER1, // handle number
+ },
+ SOCKET_TYPE_BASE, // Socket type
+ CentralProcessor, // Processor type
+ ProcessorFamilyIndicatorFamily2,
+ // Use Processor Family 2 field
+ 2, // Manufacturer string number
+ {{0}, {0}}, // Processor id, update dynamically
+ PROCESSOR_VERSION_BASE, // Processor version, update dynamically
+ {0, 0, 0, 0, 0, 1}, // Non legacy mode for processor voltage
+ 0, // External clock frequency unknown
+ 2600, // Max speed in MHz
+ 2600, // Current speed in MHz
+ ( // Status
+ (1 << 6) | // CPU Socket Populated
+ (1 << 0) // CPU Enabled
+ ),
+ ProcessorUpgradeOther, // Processor Upgrade
+ SMBIOS_HANDLE_L1I_CACHE, // L1 Cache handle
+ SMBIOS_HANDLE_L2_CACHE, // L2 Cache handle
+ SMBIOS_HANDLE_L3_CACHE, // L3 Cache handle
+ 0, // Processor serial number not set
+ 0, // Processor asset tag not set
+ 1, // Part number, update dynamically
+ 0, // Core count, update dynamically
+ 0, // Enabled core count, update dynamically
+ 0, // Thread per socket count
+ ( // Processor characteristics
+ (1 << 2) | // 64-bit Capable
+ (1 << 3) | // Multi-Core
+ (1 << 5) | // Execute Protection
+ (1 << 6) | // Enhanced Virtualization
+ (1 << 7) // Power/Performance Control
+ ),
+ ProcessorFamilyARM // Processor Family 2
+ },
+ TYPE4_STRINGS
+};
+
+/**
+ Update the part-number string.
+
+ Get the part number from ProcessorId and update TYPE4_STRINGS
+
+ @param ProcessorId The processor Id read from MIDR register
+**/
+STATIC
+VOID
+UpdatePartNumber (
+ IN UINT64 ProcessorId
+ )
+{
+ CHAR8 PartNumber[4] = {0};
+ UINT16 PartNum;
+
+ PartNum = (UINT16)((ProcessorId >> 4) & 0xFFF);
+
+ /* Convert 3 digit hexadecimal partnumber to ASCII and update TYPE4_STRINGS
*/
+ AsciiSPrint(PartNumber, sizeof (PartNumber), "%03x", PartNum);
+ CopyMem (&mArmRdSmbiosType4.Strings[2], PartNumber, sizeof (PartNumber));
+}
+
+/**
+ Install SMBIOS Processor information Table
+
+ Install the SMBIOS Processor information (type 4) table for Arm's Reference
+ Design platforms.
+
+ @param[in] Smbios SMBIOS protocol.
+
+ @retval EFI_SUCCESS Record was added.
+ @retval EFI_NOT_FOUND Unknown product id.
+ @retval EFI_OUT_OF_RESOURCES Record was not added.
+ @retval EFI_ALREADY_STARTED The SmbiosHandle passed in is already in use.
+**/
+EFI_STATUS
+InstallProcessorInformation (
+ IN EFI_SMBIOS_PROTOCOL *Smbios
+ )
+{
+ EFI_STATUS Status;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ UINT32 CoreCount;
+ UINT64 *ProcessorId = (UINT64 *)&(mArmRdSmbiosType4.Base.ProcessorId);
+
+ SmbiosHandle = ((EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType4)->Handle;
+ CoreCount = (FixedPcdGet32 (PcdCoreCount) * FixedPcdGet32 (PcdClusterCount));
+
+ /* Set the core count and processor speed for all platforms */
+ switch (SgiGetProductId ()) {
+ case Sgi575:
+ case RdN1Edge:
+ case RdV1:
+ mArmRdSmbiosType4.Base.CoreCount = CoreCount;
+ mArmRdSmbiosType4.Base.EnabledCoreCount = CoreCount;
+ mArmRdSmbiosType4.Base.ThreadCount = CoreCount;
+ break;
+ case RdN2:
+ mArmRdSmbiosType4.Base.CoreCount = CoreCount;
+ mArmRdSmbiosType4.Base.EnabledCoreCount = CoreCount;
+ mArmRdSmbiosType4.Base.ThreadCount = CoreCount;
+ mArmRdSmbiosType4.Base.MaxSpeed = 3200; // Frequency in MHz
+ mArmRdSmbiosType4.Base.CurrentSpeed = 3200; // Frequency in MHz
+ break;
+ case RdN1EdgeX2:
+ case RdV1Mc:
+ mArmRdSmbiosType4.Base.CoreCount = CoreCount * FixedPcdGet32
(PcdChipCount);
+ mArmRdSmbiosType4.Base.EnabledCoreCount = CoreCount * FixedPcdGet32
(PcdChipCount);
+ mArmRdSmbiosType4.Base.ThreadCount = CoreCount * FixedPcdGet32
(PcdChipCount);
+ break;
+ case RdE1Edge:
+ mArmRdSmbiosType4.Base.CoreCount = CoreCount /
NEOVERSE_E1_THREADS_PER_CORE;
+ mArmRdSmbiosType4.Base.EnabledCoreCount = CoreCount /
NEOVERSE_E1_THREADS_PER_CORE;
+ mArmRdSmbiosType4.Base.ThreadCount = CoreCount;
+ mArmRdSmbiosType4.Base.MaxSpeed = 2300; // Frequency in MHz
+ mArmRdSmbiosType4.Base.CurrentSpeed = 2300; // Frequency in MHz
+ break;
+ }
+
+ mArmRdSmbiosType4.Base.ProcessorVersion = PROCESSOR_VERSION_BASE +
SgiGetProductId ();
+ mArmRdSmbiosType4.Base.SerialNumber = SERIAL_NUMBER_BASE + SgiGetProductId
();
+
+ /* Update processor-id and part number */
+ *ProcessorId = ArmReadMidr();
+ UpdatePartNumber (*ProcessorId);
+
+ /* Install type 4 table */
+ Status = Smbios->Add (
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER *)&mArmRdSmbiosType4
+ );
+ if (Status != EFI_SUCCESS) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "SMBIOS: Failed to install Type4 SMBIOS table.\n"
+ ));
+ }
+
+ return Status;
+}
--
2.17.1
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