[edk2-devel] [edk2-platforms][PATCH V1 8/8] Platform/Sgi: ACPI PPTT table for RD-N2 platform
Pranav Madhu
pranav.madhu at arm.com
Fri Apr 2 09:12:08 UTC 2021
The RD-N2 platform includes sixteen single-thread CPUS. Each of the
CPUs include 64KB L1 Data cache, 64KB L1 Instruction cache and 1MB L2
cache. The platform also includes a system level cache of 32MB. Add PPTT
table for RD-N2 platform with this information.
Signed-off-by: Pranav Madhu <pranav.madhu at arm.com>
---
.../ARM/SgiPkg/AcpiTables/RdN2AcpiTables.inf | 3 +-
Platform/ARM/SgiPkg/AcpiTables/RdN2/Pptt.aslc | 166 ++++++++++++++++++
2 files changed, 168 insertions(+), 1 deletion(-)
create mode 100644 Platform/ARM/SgiPkg/AcpiTables/RdN2/Pptt.aslc
diff --git a/Platform/ARM/SgiPkg/AcpiTables/RdN2AcpiTables.inf b/Platform/ARM/SgiPkg/AcpiTables/RdN2AcpiTables.inf
index 2ec3e42473a9..c1282a3422ab 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/RdN2AcpiTables.inf
+++ b/Platform/ARM/SgiPkg/AcpiTables/RdN2AcpiTables.inf
@@ -1,7 +1,7 @@
## @file
# ACPI table data and ASL sources required to boot the platform.
#
-# Copyright (c) 2020, Arm Ltd. All rights reserved.
+# Copyright (c) 2020-2021, Arm Ltd. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -22,6 +22,7 @@
Mcfg.aslc
RdN2/Dsdt.asl
RdN2/Madt.aslc
+ RdN2/Pptt.aslc
Spcr.aslc
Ssdt.asl
SsdtRos.asl
diff --git a/Platform/ARM/SgiPkg/AcpiTables/RdN2/Pptt.aslc b/Platform/ARM/SgiPkg/AcpiTables/RdN2/Pptt.aslc
new file mode 100644
index 000000000000..1073c8b1d4f5
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/RdN2/Pptt.aslc
@@ -0,0 +1,166 @@
+/** @file
+* Processor Properties Topology Table (PPTT) for RD-N2 platform
+*
+* This file describes the topological structure of the processor block on the
+* RD-N2 platform in the form as defined by ACPI PPTT table. The RD-N2 platform
+* includes sixteen single-thread CPUS. Each of the CPUs include 64KB L1 Data
+* cache, 64KB L1 Instruction cache and 1MB L2 cache. The platform also includes
+* system level cache of 32MB.
+*
+* Copyright (c) 2021, ARM Limited. All rights reserved.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+* @par Specification Reference:
+* - ACPI 6.3, Chapter 5, Section 5.2.29, Processor Properties Topology Table
+**/
+
+#include <IndustryStandard/Acpi.h>
+#include <Library/AcpiLib.h>
+#include <Library/ArmLib.h>
+#include <Library/PcdLib.h>
+
+#include "SgiPlatform.h"
+#include "SgiAcpiHeader.h"
+
+#define PPTT_CORE_INIT(pid, cid, coreId) \
+ { \
+ /* Parameters for CPU Core */ \
+ EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR_INIT ( \
+ __builtin_offsetof (RD_PPTT_CORE, DCache), /* Length */ \
+ PPTT_PROCESSOR_CORE_FLAGS, /* Flag */ \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package.Cluster[cid]), /* Parent */ \
+ ((pid << 4) | cid), /* ACPI Id */ \
+ 2 /* Num of private resource */\
+ ), \
+ \
+ /* Offsets of the private resources */ \
+ { \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package.Cluster[cid].Core[coreId].DCache), \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package.Cluster[cid].Core[coreId].ICache) \
+ }, \
+ \
+ /* L1 Data cache parameters */ \
+ EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE_INIT ( \
+ PPTT_CACHE_STRUCTURE_FLAGS, /* Flag */ \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package.Cluster[cid].Core[coreId].L2Cache), \
+ /* Next level of cache */ \
+ SIZE_64KB, /* Size */ \
+ 256, /* Num of sets */ \
+ 4, /* Associativity */ \
+ PPTT_DATA_CACHE_ATTR, /* Attributes */ \
+ 64 /* Line size */ \
+ ), \
+ \
+ /* L1 Instruction cache parameters */ \
+ EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE_INIT ( \
+ PPTT_CACHE_STRUCTURE_FLAGS, /* Flag */ \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package.Cluster[cid].Core[coreId].L2Cache), \
+ /* Next level of cache */ \
+ SIZE_64KB, /* Size */ \
+ 256, /* Num of sets */ \
+ 4, /* Associativity */ \
+ PPTT_INST_CACHE_ATTR, /* Attributes */ \
+ 64 /* Line size */ \
+ ), \
+ \
+ /* L2 cache parameters */ \
+ EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE_INIT ( \
+ PPTT_CACHE_STRUCTURE_FLAGS, /* Flag */ \
+ 0, /* Next level of cache */ \
+ SIZE_1MB, /* Size */ \
+ 2048, /* Num of sets */ \
+ 8, /* Associativity */ \
+ PPTT_UNIFIED_CACHE_ATTR, /* Attributes */ \
+ 64 /* Line size */ \
+ ), \
+ }
+
+#define PPTT_CLUSTER_INIT(pid, cid) \
+ { \
+ /* Parameters for Cluster */ \
+ EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR_INIT ( \
+ __builtin_offsetof (RD_PPTT_MINIMAL_CLUSTER, Core), /* Length */ \
+ PPTT_PROCESSOR_CLUSTER_FLAGS, /* Flag */ \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package), /* Parent */ \
+ 0, /* ACPI Id */ \
+ 0 /* Num of private resource */ \
+ ), \
+ \
+ /* Offsets of the private resources */ \
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE, \
+ Package.Cluster[cid].Core), \
+ \
+ { \
+ PPTT_CORE_INIT (pid, cid, 0) \
+ } \
+ }
+
+#pragma pack(1)
+/*
+ * Processor Properties Topology Table
+ */
+typedef struct {
+ EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_HEADER Header;
+ RD_PPTT_SLC_PACKAGE Package;
+} EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE;
+#pragma pack ()
+
+STATIC EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE Pptt = {
+ {
+ ARM_ACPI_HEADER (
+ EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_STRUCTURE_SIGNATURE,
+ EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE,
+ EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE_REVISION
+ )
+ },
+
+ {
+ EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR_INIT (
+ __builtin_offsetof (RD_PPTT_SLC_PACKAGE, Slc),
+ PPTT_PROCESSOR_PACKAGE_FLAGS, 0, 0, 1),
+
+ __builtin_offsetof (EFI_ACPI_6_3_PROCESSOR_PROPERTIES_TOPOLOGY_TABLE,
+ Package.Slc),
+
+ EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE_INIT (
+ PPTT_CACHE_STRUCTURE_FLAGS, /* Flag */
+ 0, /* Next level of cache */
+ SIZE_32MB, /* Size */
+ 32768, /* Num of sets */
+ 16, /* Associativity */
+ PPTT_UNIFIED_CACHE_ATTR, /* Attributes */
+ 64), /* Line size */
+
+ {
+ PPTT_CLUSTER_INIT (0, 0),
+ PPTT_CLUSTER_INIT (0, 1),
+ PPTT_CLUSTER_INIT (0, 2),
+ PPTT_CLUSTER_INIT (0, 3),
+ PPTT_CLUSTER_INIT (0, 4),
+ PPTT_CLUSTER_INIT (0, 5),
+ PPTT_CLUSTER_INIT (0, 6),
+ PPTT_CLUSTER_INIT (0, 7),
+ PPTT_CLUSTER_INIT (0, 8),
+ PPTT_CLUSTER_INIT (0, 9),
+ PPTT_CLUSTER_INIT (0, 10),
+ PPTT_CLUSTER_INIT (0, 11),
+ PPTT_CLUSTER_INIT (0, 12),
+ PPTT_CLUSTER_INIT (0, 13),
+ PPTT_CLUSTER_INIT (0, 14),
+ PPTT_CLUSTER_INIT (0, 15)
+ }
+ }
+};
+
+/*
+ * Reference the table being generated to prevent the optimizer from removing
+ * the data structure from the executable
+ */
+VOID* CONST ReferenceAcpiTable = &Pptt;
--
2.17.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#73658): https://edk2.groups.io/g/devel/message/73658
Mute This Topic: https://groups.io/mt/81798792/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-
More information about the edk2-devel-archive
mailing list