[edk2-devel] [edk2-platforms][PATCH V1 1/9] Platform/Sgi: Update ACPI version to v6.4
Pranav Madhu
pranav.madhu at arm.com
Thu Mar 10 12:35:51 UTC 2022
Update the common ACPI tables used by all the Neoverse Reference Design
platforms to ACPI version v6.4.
Signed-off-by: Pranav Madhu <pranav.madhu at arm.com>
---
Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h | 221 ++++++++++----------
Platform/ARM/SgiPkg/AcpiTables/Dbg2.aslc | 30 +--
Platform/ARM/SgiPkg/AcpiTables/Fadt.aslc | 38 ++--
Platform/ARM/SgiPkg/AcpiTables/Gtdt.aslc | 69 +++---
Platform/ARM/SgiPkg/AcpiTables/Mcfg.aslc | 26 +--
Platform/ARM/SgiPkg/AcpiTables/Spcr.aslc | 29 ++-
6 files changed, 220 insertions(+), 193 deletions(-)
diff --git a/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h b/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h
index d75d54055436..69af1df276a8 100644
--- a/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h
+++ b/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h
@@ -1,6 +1,6 @@
/** @file
*
-* Copyright (c) 2018-2021, ARM Limited. All rights reserved.
+* Copyright (c) 2018 - 2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
@@ -44,133 +44,134 @@
#pragma pack(1)
// PPTT processor core structure
typedef struct {
- EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR Core;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_PROCESSOR Core;
UINT32 ResourceOffset[2];
- EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE DCache;
- EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE ICache;
- EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE L2Cache;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE DCache;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE ICache;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE L2Cache;
} RD_PPTT_CORE;
// PPTT processor cluster structure
typedef struct {
- EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR Cluster;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_PROCESSOR Cluster;
UINT32 ResourceOffset;
- EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE L3Cache;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE L3Cache;
RD_PPTT_CORE Core[CORE_COUNT];
} RD_PPTT_CLUSTER;
// PPTT processor cluster structure without cache
typedef struct {
- EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR Cluster;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_PROCESSOR Cluster;
RD_PPTT_CORE Core[CORE_COUNT];
} RD_PPTT_MINIMAL_CLUSTER;
// PPTT processor package structure
typedef struct {
- EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR Package;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_PROCESSOR Package;
UINT32 ResourceOffset;
- EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE Slc;
+ EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE Slc;
RD_PPTT_MINIMAL_CLUSTER Cluster[CLUSTER_COUNT];
} RD_PPTT_SLC_PACKAGE;
#pragma pack ()
//
// PPTT processor structure flags for different SoC components as defined in
-// ACPI 6.3 specification
+// ACPI 6.4 specification
//
// Processor structure flags for SoC package
#define PPTT_PROCESSOR_PACKAGE_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_PACKAGE_PHYSICAL, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD, \
- EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF, \
- EFI_ACPI_6_3_PPTT_IMPLEMENTATION_IDENTICAL \
+ EFI_ACPI_6_4_PPTT_PACKAGE_PHYSICAL, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_ID_INVALID, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_IS_NOT_THREAD, \
+ EFI_ACPI_6_4_PPTT_NODE_IS_NOT_LEAF, \
+ EFI_ACPI_6_4_PPTT_IMPLEMENTATION_IDENTICAL \
}
// Processor structure flags for cluster
#define PPTT_PROCESSOR_CLUSTER_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD, \
- EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF, \
- EFI_ACPI_6_3_PPTT_IMPLEMENTATION_IDENTICAL \
+ EFI_ACPI_6_4_PPTT_PACKAGE_NOT_PHYSICAL, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_ID_VALID, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_IS_NOT_THREAD, \
+ EFI_ACPI_6_4_PPTT_NODE_IS_NOT_LEAF, \
+ EFI_ACPI_6_4_PPTT_IMPLEMENTATION_IDENTICAL \
}
// Processor structure flags for cluster with multi-thread core
#define PPTT_PROCESSOR_CLUSTER_THREADED_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD, \
- EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF, \
- EFI_ACPI_6_3_PPTT_IMPLEMENTATION_IDENTICAL \
+ EFI_ACPI_6_4_PPTT_PACKAGE_NOT_PHYSICAL, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_ID_INVALID, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_IS_NOT_THREAD, \
+ EFI_ACPI_6_4_PPTT_NODE_IS_NOT_LEAF, \
+ EFI_ACPI_6_4_PPTT_IMPLEMENTATION_IDENTICAL \
}
// Processor structure flags for single-thread core
#define PPTT_PROCESSOR_CORE_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD, \
- EFI_ACPI_6_3_PPTT_NODE_IS_LEAF \
+ EFI_ACPI_6_4_PPTT_PACKAGE_NOT_PHYSICAL, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_ID_VALID, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_IS_NOT_THREAD, \
+ EFI_ACPI_6_4_PPTT_NODE_IS_LEAF \
}
// Processor structure flags for multi-thread core
#define PPTT_PROCESSOR_CORE_THREADED_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_ID_INVALID, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_IS_NOT_THREAD, \
- EFI_ACPI_6_3_PPTT_NODE_IS_NOT_LEAF, \
- EFI_ACPI_6_3_PPTT_IMPLEMENTATION_IDENTICAL \
+ EFI_ACPI_6_4_PPTT_PACKAGE_NOT_PHYSICAL, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_ID_INVALID, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_IS_NOT_THREAD, \
+ EFI_ACPI_6_4_PPTT_NODE_IS_NOT_LEAF, \
+ EFI_ACPI_6_4_PPTT_IMPLEMENTATION_IDENTICAL \
}
// Processor structure flags for CPU thread
#define PPTT_PROCESSOR_THREAD_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_PACKAGE_NOT_PHYSICAL, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_ID_VALID, \
- EFI_ACPI_6_3_PPTT_PROCESSOR_IS_THREAD, \
- EFI_ACPI_6_3_PPTT_NODE_IS_LEAF \
+ EFI_ACPI_6_4_PPTT_PACKAGE_NOT_PHYSICAL, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_ID_VALID, \
+ EFI_ACPI_6_4_PPTT_PROCESSOR_IS_THREAD, \
+ EFI_ACPI_6_4_PPTT_NODE_IS_LEAF \
}
-// PPTT cache structure flags as defined in ACPI 6.3 Specification
+// PPTT cache structure flags as defined in ACPI 6.4 Specification
#define PPTT_CACHE_STRUCTURE_FLAGS \
{ \
- EFI_ACPI_6_3_PPTT_CACHE_SIZE_VALID, \
- EFI_ACPI_6_3_PPTT_NUMBER_OF_SETS_VALID, \
- EFI_ACPI_6_3_PPTT_ASSOCIATIVITY_VALID, \
- EFI_ACPI_6_3_PPTT_ALLOCATION_TYPE_VALID, \
- EFI_ACPI_6_3_PPTT_CACHE_TYPE_VALID, \
- EFI_ACPI_6_3_PPTT_WRITE_POLICY_VALID, \
- EFI_ACPI_6_3_PPTT_LINE_SIZE_VALID \
+ EFI_ACPI_6_4_PPTT_CACHE_SIZE_VALID, \
+ EFI_ACPI_6_4_PPTT_NUMBER_OF_SETS_VALID, \
+ EFI_ACPI_6_4_PPTT_ASSOCIATIVITY_VALID, \
+ EFI_ACPI_6_4_PPTT_ALLOCATION_TYPE_VALID, \
+ EFI_ACPI_6_4_PPTT_CACHE_TYPE_VALID, \
+ EFI_ACPI_6_4_PPTT_WRITE_POLICY_VALID, \
+ EFI_ACPI_6_4_PPTT_LINE_SIZE_VALID, \
+ EFI_ACPI_6_4_PPTT_CACHE_ID_VALID \
}
// PPTT cache attributes for data cache
#define PPTT_DATA_CACHE_ATTR \
{ \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE, \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_DATA, \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE, \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_CACHE_TYPE_DATA, \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK \
}
// PPTT cache attributes for instruction cache
#define PPTT_INST_CACHE_ATTR \
{ \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ, \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_INSTRUCTION, \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_ALLOCATION_READ, \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_CACHE_TYPE_INSTRUCTION, \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK \
}
// PPTT cache attributes for unified cache
#define PPTT_UNIFIED_CACHE_ATTR \
{ \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE, \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_CACHE_TYPE_UNIFIED, \
- EFI_ACPI_6_3_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_ALLOCATION_READ_WRITE, \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_CACHE_TYPE_UNIFIED, \
+ EFI_ACPI_6_4_CACHE_ATTRIBUTES_WRITE_POLICY_WRITE_BACK \
}
// A macro to initialise the common header part of EFI ACPI tables as defined by
@@ -187,12 +188,13 @@ typedef struct {
EFI_ACPI_ARM_CREATOR_REVISION /* UINT32 CreatorRevision */ \
}
-// EFI_ACPI_6_2_GIC_STRUCTURE
-#define EFI_ACPI_6_2_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, \
- PmuIrq, GicBase, GicVBase, GicHBase, GsivId, GicRBase, Efficiency) \
+// EFI_ACPI_6_4_GIC_STRUCTURE
+#define EFI_ACPI_6_4_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, \
+ PmuIrq, GicBase, GicVBase, GicHBase, GsivId, GicRBase, Efficiency, \
+ SpeOverflowInterrupt) \
{ \
- EFI_ACPI_6_2_GIC, /* Type */ \
- sizeof (EFI_ACPI_6_2_GIC_STRUCTURE), /* Length */ \
+ EFI_ACPI_6_4_GIC, /* Type */ \
+ sizeof (EFI_ACPI_6_4_GIC_STRUCTURE), /* Length */ \
EFI_ACPI_RESERVED_WORD, /* Reserved */ \
GicId, /* CPUInterfaceNumber */ \
AcpiCpuUid, /* AcpiProcessorUid */ \
@@ -207,19 +209,16 @@ typedef struct {
GicRBase, /* GICRBaseAddress */ \
Mpidr, /* MPIDR */ \
Efficiency, /* ProcessorPowerEfficiencyClass */ \
- { \
- EFI_ACPI_RESERVED_BYTE, /* Reserved2[0] */ \
- EFI_ACPI_RESERVED_BYTE, /* Reserved2[1] */ \
- EFI_ACPI_RESERVED_BYTE /* Reserved2[2] */ \
- } \
+ EFI_ACPI_RESERVED_BYTE, /* Reserved2 */ \
+ SpeOverflowInterrupt /* SpeOverflowInterrupt */ \
}
-// EFI_ACPI_6_2_GIC_DISTRIBUTOR_STRUCTURE
-#define EFI_ACPI_6_2_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, \
+// EFI_ACPI_6_4_GIC_DISTRIBUTOR_STRUCTURE
+#define EFI_ACPI_6_4_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, \
GicDistVector, GicVersion) \
{ \
- EFI_ACPI_6_2_GICD, /* Type */ \
- sizeof (EFI_ACPI_6_2_GIC_DISTRIBUTOR_STRUCTURE), \
+ EFI_ACPI_6_4_GICD, /* Type */ \
+ sizeof (EFI_ACPI_6_4_GIC_DISTRIBUTOR_STRUCTURE), \
EFI_ACPI_RESERVED_WORD, /* Reserved1 */ \
GicDistHwId, /* GicId */ \
GicDistBase, /* PhysicalBaseAddress */ \
@@ -232,43 +231,43 @@ typedef struct {
} \
}
-// EFI_ACPI_6_2_GICR_STRUCTURE
-#define EFI_ACPI_6_2_GIC_REDISTRIBUTOR_INIT(RedisRegionAddr, RedisDiscLength) \
+// EFI_ACPI_6_4_GICR_STRUCTURE
+#define EFI_ACPI_6_4_GIC_REDISTRIBUTOR_INIT(RedisRegionAddr, RedisDiscLength) \
{ \
- EFI_ACPI_6_2_GICR, /* Type */ \
- sizeof (EFI_ACPI_6_2_GICR_STRUCTURE), /* Length */ \
+ EFI_ACPI_6_4_GICR, /* Type */ \
+ sizeof (EFI_ACPI_6_4_GICR_STRUCTURE), /* Length */ \
EFI_ACPI_RESERVED_WORD, /* Reserved */ \
RedisRegionAddr, /* DiscoveryRangeBaseAddress */ \
RedisDiscLength /* DiscoveryRangeLength */ \
}
-// EFI_ACPI_6_2_GIC_ITS_STRUCTURE
-#define EFI_ACPI_6_2_GIC_ITS_INIT(GicItsId, GicItsBase) \
+// EFI_ACPI_6_4_GIC_ITS_STRUCTURE
+#define EFI_ACPI_6_4_GIC_ITS_INIT(GicItsId, GicItsBase) \
{ \
- EFI_ACPI_6_2_GIC_ITS, /* Type */ \
- sizeof (EFI_ACPI_6_2_GIC_ITS_STRUCTURE), \
+ EFI_ACPI_6_4_GIC_ITS, /* Type */ \
+ sizeof (EFI_ACPI_6_4_GIC_ITS_STRUCTURE), \
EFI_ACPI_RESERVED_WORD, /* Reserved */ \
GicItsId, /* GicItsId */ \
GicItsBase, /* PhysicalBaseAddress */ \
EFI_ACPI_RESERVED_DWORD /* DiscoveryRangeLength */ \
}
-// EFI_ACPI_6_3_MEMORY_AFFINITY_STRUCTURE
-#define EFI_ACPI_6_3_MEMORY_AFFINITY_STRUCTURE_INIT( \
+// EFI_ACPI_6_4_MEMORY_AFFINITY_STRUCTURE
+#define EFI_ACPI_6_4_MEMORY_AFFINITY_STRUCTURE_INIT( \
ProximityDomain, Base, Length, Flags) \
{ \
- 1, sizeof (EFI_ACPI_6_3_MEMORY_AFFINITY_STRUCTURE), ProximityDomain, \
+ 1, sizeof (EFI_ACPI_6_4_MEMORY_AFFINITY_STRUCTURE), ProximityDomain, \
EFI_ACPI_RESERVED_WORD, (Base) & 0xffffffff, \
(Base) >> 32, (Length) & 0xffffffff, \
(Length) >> 32, EFI_ACPI_RESERVED_DWORD, Flags, \
EFI_ACPI_RESERVED_QWORD \
}
-// EFI_ACPI_6_3_GICC_AFFINITY_STRUCTURE
-#define EFI_ACPI_6_3_GICC_AFFINITY_STRUCTURE_INIT( \
+// EFI_ACPI_6_4_GICC_AFFINITY_STRUCTURE
+#define EFI_ACPI_6_4_GICC_AFFINITY_STRUCTURE_INIT( \
ProximityDomain, ACPIProcessorUID, Flags, ClockDomain) \
{ \
- 3, sizeof (EFI_ACPI_6_3_GICC_AFFINITY_STRUCTURE), ProximityDomain, \
+ 3, sizeof (EFI_ACPI_6_4_GICC_AFFINITY_STRUCTURE), ProximityDomain, \
ACPIProcessorUID, Flags, ClockDomain \
}
@@ -276,16 +275,16 @@ typedef struct {
// HMAT related structures
//
// Memory Proximity Domain Attributes Structure
-// Refer Section 5.2.27.3 in ACPI Specification, Version 6.3
-#define EFI_ACPI_6_3_HMAT_STRUCTURE_MEMORY_PROXIMITY_DOMAIN_ATTRIBUTES_INIT( \
+// Refer Section 5.2.27.3 in ACPI Specification, Version 6.4
+#define EFI_ACPI_6_4_HMAT_STRUCTURE_MEMORY_PROXIMITY_DOMAIN_ATTRIBUTES_INIT( \
Flags, ProximityDomainForAttachedIntiator, ProximityDomainForMemory) \
{ \
- EFI_ACPI_6_3_HMAT_TYPE_MEMORY_PROXIMITY_DOMAIN_ATTRIBUTES, \
+ EFI_ACPI_6_4_HMAT_TYPE_MEMORY_PROXIMITY_DOMAIN_ATTRIBUTES, \
{ \
EFI_ACPI_RESERVED_BYTE, \
EFI_ACPI_RESERVED_BYTE \
}, \
- sizeof (EFI_ACPI_6_3_HMAT_STRUCTURE_MEMORY_PROXIMITY_DOMAIN_ATTRIBUTES), \
+ sizeof (EFI_ACPI_6_4_HMAT_STRUCTURE_MEMORY_PROXIMITY_DOMAIN_ATTRIBUTES), \
{ \
Flags, \
0 \
@@ -321,28 +320,27 @@ typedef struct {
}
// System Locality Latency and Bandwidth Information Structure
-// Refer Section 5.2.27.4 in ACPI Specification, Version 6.3
-#define EFI_ACPI_6_3_HMAT_STRUCTURE_SYSTEM_LOCALITY_LATENCY_AND_BANDWIDTH_INFO_INIT( \
- Flags, DataType, NumInitiatorProximityDomains, \
+// Refer Section 5.2.27.4 in ACPI Specification, Version 6.4
+#define EFI_ACPI_6_4_HMAT_STRUCTURE_SYSTEM_LOCALITY_LATENCY_AND_BANDWIDTH_INFO_INIT( \
+ Flags, DataType, MinTransferSize, NumInitiatorProximityDomains, \
NumTargetProximityDomains, EntryBaseUnit) \
{ \
- EFI_ACPI_6_3_HMAT_TYPE_SYSTEM_LOCALITY_LATENCY_AND_BANDWIDTH_INFO, \
+ EFI_ACPI_6_4_HMAT_TYPE_SYSTEM_LOCALITY_LATENCY_AND_BANDWIDTH_INFO, \
{ \
EFI_ACPI_RESERVED_BYTE, \
EFI_ACPI_RESERVED_BYTE \
}, \
- sizeof (EFI_ACPI_6_3_HMAT_STRUCTURE_SYSTEM_LOCALITY_LATENCY_AND_BANDWIDTH_INFO) + \
+ sizeof (EFI_ACPI_6_4_HMAT_STRUCTURE_SYSTEM_LOCALITY_LATENCY_AND_BANDWIDTH_INFO) + \
(4 * NumInitiatorProximityDomains) + (4 * NumTargetProximityDomains) + \
(2 * NumInitiatorProximityDomains * NumTargetProximityDomains), \
{ \
Flags, \
+ 0, \
0 \
}, \
+ MinTransferSize, \
DataType, \
- { \
- EFI_ACPI_RESERVED_BYTE, \
- EFI_ACPI_RESERVED_BYTE \
- }, \
+ EFI_ACPI_RESERVED_BYTE, \
NumInitiatorProximityDomains, \
NumTargetProximityDomains, \
{ \
@@ -355,17 +353,17 @@ typedef struct {
}
// Memory Side Cache Information Structure
-// Refer Section 5.2.27.5 in ACPI Specification, Version 6.3
-#define EFI_ACPI_6_3_HMAT_STRUCTURE_MEMORY_SIDE_CACHE_INFO_INIT( \
+// Refer Section 5.2.27.5 in ACPI Specification, Version 6.4
+#define EFI_ACPI_6_4_HMAT_STRUCTURE_MEMORY_SIDE_CACHE_INFO_INIT( \
MemoryProximityDomain, MemorySideCacheSize, CacheAttributes, \
NumberOfSmbiosHandles) \
{ \
- EFI_ACPI_6_3_HMAT_TYPE_MEMORY_SIDE_CACHE_INFO, \
+ EFI_ACPI_6_4_HMAT_TYPE_MEMORY_SIDE_CACHE_INFO, \
{ \
EFI_ACPI_RESERVED_BYTE, \
EFI_ACPI_RESERVED_BYTE \
}, \
- sizeof (EFI_ACPI_6_3_HMAT_STRUCTURE_MEMORY_SIDE_CACHE_INFO) + \
+ sizeof (EFI_ACPI_6_4_HMAT_STRUCTURE_MEMORY_SIDE_CACHE_INFO) + \
(NumberOfSmbiosHandles * 2), \
MemoryProximityDomain, \
{ \
@@ -384,7 +382,7 @@ typedef struct {
}
/** A macro to initialise the Memory Side Cache Information Attributes.
- See Table 5.124 in ACPI Specification, Version 6.3
+ See Table 5.130 in ACPI Specification, Version 6.4
@param [in] TotalCacheLevels Total Cache Levels for this Memory Proximity.
@param [in] CacheLevel Cache Level described in this structure.
@@ -399,11 +397,11 @@ typedef struct {
TotalCacheLevels, CacheLevel, CacheAssociativity, WritePolicy, CacheLineSize \
}
-// EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR
-#define EFI_ACPI_6_3_PPTT_STRUCTURE_PROCESSOR_INIT(Length, Flag, Parent, \
+// EFI_ACPI_6_4_PPTT_STRUCTURE_PROCESSOR
+#define EFI_ACPI_6_4_PPTT_STRUCTURE_PROCESSOR_INIT(Length, Flag, Parent, \
ACPIProcessorID, NumberOfPrivateResource) \
{ \
- EFI_ACPI_6_3_PPTT_TYPE_PROCESSOR, /* Type 0 */ \
+ EFI_ACPI_6_4_PPTT_TYPE_PROCESSOR, /* Type 0 */ \
Length, /* Length */ \
{ \
EFI_ACPI_RESERVED_BYTE, \
@@ -415,12 +413,12 @@ typedef struct {
NumberOfPrivateResource /* Resource count */ \
}
-// EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE
-#define EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE_INIT(Flag, NextLevelCache, Size, \
- NoOfSets, Associativity, Attributes, LineSize) \
+// EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE
+#define EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE_INIT(Flag, NextLevelCache, Size, \
+ NoOfSets, Associativity, Attributes, LineSize, CacheId) \
{ \
- EFI_ACPI_6_3_PPTT_TYPE_CACHE, /* Type 1 */ \
- sizeof (EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE), /* Length */ \
+ EFI_ACPI_6_4_PPTT_TYPE_CACHE, /* Type 1 */ \
+ sizeof (EFI_ACPI_6_4_PPTT_STRUCTURE_CACHE), /* Length */ \
{ \
EFI_ACPI_RESERVED_BYTE, \
EFI_ACPI_RESERVED_BYTE, \
@@ -431,7 +429,8 @@ typedef struct {
NoOfSets, /* Num of sets */ \
Associativity, /* Num of ways */ \
Attributes, /* Cache attributes */ \
- LineSize /* Line size in bytes */ \
+ LineSize, /* Line size in bytes */ \
+ CacheId /* Cache id */ \
}
/** Helper macro for CPPC _CPC object initialization. Use of this macro is
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Dbg2.aslc b/Platform/ARM/SgiPkg/AcpiTables/Dbg2.aslc
index 279f847cce4c..b85e7272fd82 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Dbg2.aslc
+++ b/Platform/ARM/SgiPkg/AcpiTables/Dbg2.aslc
@@ -1,16 +1,22 @@
/** @file
-* Debug Port Table 2 (DBG2)
-*
-* Copyright (c) 2018, ARM Limited. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
+ Debug Port Table 2 (DBPG2)
+
+ Debug Port Table 2 is used in platform firmware to describe the debug
+ ports available on the system to the OS. The reference design platforms use
+ the non-secure UART port in the compute subsystem as the debug port.
+
+ Copyright (c) 2018 - 2022, Arm Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup
+ /acpi-debug-port-table
**/
-#include "SgiAcpiHeader.h"
-#include <Library/AcpiLib.h>
-#include <IndustryStandard/Acpi62.h>
#include <IndustryStandard/DebugPort2Table.h>
+#include <Library/AcpiLib.h>
+#include "SgiAcpiHeader.h"
#define SGI_DBG2_NUM_DEBUG_PORTS 1
#define SGI_DBG2_NUM_GAS 1
@@ -21,7 +27,7 @@
typedef struct {
EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
- EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister;
+ EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister;
UINT32 AddressSize;
UINT8 NameSpaceString[SGI_DBG2_NS_STR_LENGTH];
} DBG2_DEBUG_DEVICE_INFORMATION;
@@ -48,7 +54,7 @@ typedef struct {
OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16 BaseAddressRegister Offset */ \
OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize) /* UINT16 AddressSize Offset */ \
}, \
- ARM_GAS32 (UartBase), /* EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
+ ARM_GAS32 (UartBase), /* EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
UartAddrLen, /* UINT32 AddressSize */ \
UartNameStr /* UINT8 NameSpaceString[MAX_DBG2_NAME_LEN] */ \
}
@@ -56,7 +62,7 @@ typedef struct {
STATIC DBG2_TABLE Dbg2 = {
{
ARM_ACPI_HEADER (
- EFI_ACPI_6_2_DEBUG_PORT_2_TABLE_SIGNATURE,
+ EFI_ACPI_6_4_DEBUG_PORT_2_TABLE_SIGNATURE,
DBG2_TABLE,
EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION
),
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Fadt.aslc b/Platform/ARM/SgiPkg/AcpiTables/Fadt.aslc
index 9472aff2e054..5ad448d9c9d2 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Fadt.aslc
+++ b/Platform/ARM/SgiPkg/AcpiTables/Fadt.aslc
@@ -1,26 +1,32 @@
/** @file
-* Fixed ACPI Description Table (FADT)
-*
-* Copyright (c) 2018, ARM Limited. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
+ Fixed ACPI Description Table (FADT)
+
+ FADT defines various fixed hardware ACPI information vital to an ACPI
+ compatible OS. FADT also has a pointer to the DSDT that contains the
+ Differentiated Definition Block, which in turn provides variable information
+ to an ACPI-compatible OS concerning the base system design.
+
+ Copyright (c) 2018 - 2022, Arm Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - ACPI 6.4, Chapter 5, Section 5.2.9, Fixed ACPI Description Table
**/
-#include "SgiAcpiHeader.h"
#include <Library/AcpiLib.h>
-#include <IndustryStandard/Acpi.h>
+#include "SgiAcpiHeader.h"
-STATIC EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE Fadt = {
+STATIC EFI_ACPI_6_4_FIXED_ACPI_DESCRIPTION_TABLE Fadt = {
ARM_ACPI_HEADER (
- EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
- EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE,
- EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_REVISION
+ EFI_ACPI_6_4_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+ EFI_ACPI_6_4_FIXED_ACPI_DESCRIPTION_TABLE,
+ EFI_ACPI_6_4_FIXED_ACPI_DESCRIPTION_TABLE_REVISION
),
0, // UINT32 FirmwareCtrl
0, // UINT32 Dsdt
EFI_ACPI_RESERVED_BYTE, // UINT8 Reserved0
- EFI_ACPI_6_2_PM_PROFILE_ENTERPRISE_SERVER, // UINT8 PreferredPmProfile
+ EFI_ACPI_6_4_PM_PROFILE_ENTERPRISE_SERVER, // UINT8 PreferredPmProfile
0, // UINT16 SciInt
0, // UINT32 SmiCmd
0, // UINT8 AcpiEnable
@@ -54,11 +60,11 @@ STATIC EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE Fadt = {
0, // UINT8 Century
0, // UINT16 IaPcBootArch
0, // UINT8 Reserved1
- EFI_ACPI_6_2_HW_REDUCED_ACPI | EFI_ACPI_6_2_LOW_POWER_S0_IDLE_CAPABLE, // UINT32 Flags
+ EFI_ACPI_6_4_HW_REDUCED_ACPI | EFI_ACPI_6_4_LOW_POWER_S0_IDLE_CAPABLE, // UINT32 Flags
NULL_GAS, // GAS ResetReg
0, // UINT8 ResetValue
- EFI_ACPI_6_2_ARM_PSCI_COMPLIANT, // UINT16 ArmBootArchFlags
- EFI_ACPI_6_2_FIXED_ACPI_DESCRIPTION_TABLE_MINOR_REVISION, // UINT8 MinorRevision
+ EFI_ACPI_6_4_ARM_PSCI_COMPLIANT, // UINT16 ArmBootArchFlags
+ EFI_ACPI_6_4_FIXED_ACPI_DESCRIPTION_TABLE_MINOR_REVISION, // UINT8 MinorRevision
0, // UINT64 XFirmwareCtrl
0, // UINT64 XDsdt
NULL_GAS, // GAS XPm1aEvtBlk
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Gtdt.aslc b/Platform/ARM/SgiPkg/AcpiTables/Gtdt.aslc
index b53cbb228f92..70765f87e537 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Gtdt.aslc
+++ b/Platform/ARM/SgiPkg/AcpiTables/Gtdt.aslc
@@ -1,16 +1,21 @@
/** @file
-* Generic Timer Description Table (GTDT)
-*
-* Copyright (c) 2018, ARM Limited. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
+ Generic Timer Description Table (GTDT)
+
+ GTDT provides OSPM with information about a system’s Generic Timers
+ configuration. This table lists the watchdog and generic timer instances
+ available on the reference design platforms.
+
+ Copyright (c) 2018 - 2022, Arm Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - ACPI 6.4, Chapter 5, Section 5.2.24, Generic Timer Description Table
**/
-#include "SgiAcpiHeader.h"
#include <Library/AcpiLib.h>
#include <Library/PcdLib.h>
-#include <IndustryStandard/Acpi62.h>
+#include "SgiAcpiHeader.h"
#define SGI_PLATFORM_WATCHDOG_COUNT 2
#define SGI_PLATFORM_TIMER_COUNT (SGI_PLATFORM_WATCHDOG_COUNT + 1)
@@ -18,7 +23,7 @@
#define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF
#define GTDT_GLOBAL_FLAGS 0
-#define GTDT_GTIMER_FLAGS EFI_ACPI_6_2_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
+#define GTDT_GTIMER_FLAGS EFI_ACPI_6_4_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
#define SGI_GT_BLOCK_CTL_BASE 0x2A810000
#define SGI_GT_BLOCK_FRAME1_CTL_BASE 0x2A820000
@@ -30,18 +35,18 @@
#define SGI_GT_BLOCK_FRAME0_GSIV FixedPcdGet32 (PcdGtFrame0Gsiv)
#define SGI_GTX_TIMER_FLAGS 0
-#define GTX_TIMER_SECURE EFI_ACPI_6_2_GTDT_GT_BLOCK_COMMON_FLAG_SECURE_TIMER
+#define GTX_TIMER_SECURE EFI_ACPI_6_4_GTDT_GT_BLOCK_COMMON_FLAG_SECURE_TIMER
#define GTX_TIMER_NON_SECURE 0
-#define GTX_TIMER_SAVE_CONTEXT EFI_ACPI_6_2_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY
+#define GTX_TIMER_SAVE_CONTEXT EFI_ACPI_6_4_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY
#define SGI_GTX_COMMON_FLAGS_S (GTX_TIMER_SAVE_CONTEXT | GTX_TIMER_SECURE)
#define SGI_GTX_COMMON_FLAGS_NS (GTX_TIMER_SAVE_CONTEXT | GTX_TIMER_NON_SECURE)
-#define EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( \
+#define EFI_ACPI_6_4_ARM_GENERIC_WATCHDOG_STRUCTURE_INIT( \
RefreshFramePhysicalAddress, ControlFramePhysicalAddress, \
WatchdogTimerGSIV, WatchdogTimerFlags) \
{ \
- EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG, \
- sizeof (EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \
+ EFI_ACPI_6_4_GTDT_ARM_GENERIC_WATCHDOG, \
+ sizeof (EFI_ACPI_6_4_GTDT_ARM_GENERIC_WATCHDOG_STRUCTURE), \
EFI_ACPI_RESERVED_WORD, \
RefreshFramePhysicalAddress, \
ControlFramePhysicalAddress, \
@@ -52,20 +57,20 @@
#pragma pack (1)
typedef struct {
- EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt;
- EFI_ACPI_6_2_GTDT_GT_BLOCK_STRUCTURE GtBlock;
- EFI_ACPI_6_2_GTDT_GT_BLOCK_TIMER_STRUCTURE Frames[SGI_TIMER_FRAMES_COUNT];
- EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[SGI_PLATFORM_WATCHDOG_COUNT];
-} EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES;
+ EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt;
+ EFI_ACPI_6_4_GTDT_GT_BLOCK_STRUCTURE GtBlock;
+ EFI_ACPI_6_4_GTDT_GT_BLOCK_TIMER_STRUCTURE Frames[SGI_TIMER_FRAMES_COUNT];
+ EFI_ACPI_6_4_GTDT_ARM_GENERIC_WATCHDOG_STRUCTURE Watchdogs[SGI_PLATFORM_WATCHDOG_COUNT];
+} EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLES;
#pragma pack ()
-STATIC EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
+STATIC EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
{
ARM_ACPI_HEADER (
- EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
- EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES,
- EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
+ EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
+ EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLES,
+ EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
),
SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress
0, // UINT32 Reserved
@@ -79,17 +84,19 @@ STATIC EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags
0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress
SGI_PLATFORM_TIMER_COUNT, // UINT32 PlatformTimerCount
- sizeof (EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
+ sizeof (EFI_ACPI_6_4_GENERIC_TIMER_DESCRIPTION_TABLE), // UINT32 PlatfromTimerOffset
+ 0, // UINT32 VirtualPL2TimerGSIV
+ 0 // UINT32 VirtualPL2TimerFlags
},
{
- EFI_ACPI_6_2_GTDT_GT_BLOCK, // UINT8 Type
- sizeof (EFI_ACPI_6_2_GTDT_GT_BLOCK_STRUCTURE) + // UINT16 Length
- sizeof (EFI_ACPI_6_2_GTDT_GT_BLOCK_TIMER_STRUCTURE) *
+ EFI_ACPI_6_4_GTDT_GT_BLOCK, // UINT8 Type
+ sizeof (EFI_ACPI_6_4_GTDT_GT_BLOCK_STRUCTURE) + // UINT16 Length
+ sizeof (EFI_ACPI_6_4_GTDT_GT_BLOCK_TIMER_STRUCTURE) *
SGI_TIMER_FRAMES_COUNT,
EFI_ACPI_RESERVED_BYTE, // UINT8 Reserved
SGI_GT_BLOCK_CTL_BASE, // UINT64 CntCtlBase
SGI_TIMER_FRAMES_COUNT, // UINT32 GTBlockTimerCount
- sizeof (EFI_ACPI_6_2_GTDT_GT_BLOCK_STRUCTURE) // UINT32 GTBlockTimerOffset
+ sizeof (EFI_ACPI_6_4_GTDT_GT_BLOCK_STRUCTURE) // UINT32 GTBlockTimerOffset
},
{
{
@@ -124,17 +131,17 @@ STATIC EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
}
},
{
- EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
+ EFI_ACPI_6_4_ARM_GENERIC_WATCHDOG_STRUCTURE_INIT (
FixedPcdGet32 (PcdGenericWatchdogRefreshBase),
FixedPcdGet32 (PcdGenericWatchdogControlBase),
FixedPcdGet32 (PcdWdogWS0Gsiv),
0
),
- EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
+ EFI_ACPI_6_4_ARM_GENERIC_WATCHDOG_STRUCTURE_INIT (
FixedPcdGet32 (PcdGenericWatchdogRefreshBase),
FixedPcdGet32 (PcdGenericWatchdogControlBase),
FixedPcdGet32 (PcdWdogWS1Gsiv),
- EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER
+ EFI_ACPI_6_4_GTDT_ARM_GENERIC_WATCHDOG_FLAG_SECURE_TIMER
)
}
};
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Mcfg.aslc b/Platform/ARM/SgiPkg/AcpiTables/Mcfg.aslc
index 090297d9541a..96fb6281ea53 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Mcfg.aslc
+++ b/Platform/ARM/SgiPkg/AcpiTables/Mcfg.aslc
@@ -1,22 +1,24 @@
/** @file
-* Memory mapped configuration space base address description table (MCFG)
-*
-* Copyright (c) 2018, ARM Ltd. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
+ Memory mapped configuration space base address description table (MCFG)
+
+ The MCFG table provides the address of the PCI configuration space, which
+ is required by the OS to perform the PCIe bus enumeration.
+
+ Copyright (c) 2018 - 2022, Arm Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - http://www.pcisig.com/home
**/
-#include <IndustryStandard/Acpi62.h>
#include <IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h>
+#include <Library/AcpiLib.h>
+#include <Library/ArmLib.h>
#include <Library/PcdLib.h>
#include "SgiAcpiHeader.h"
#include "SgiPlatform.h"
-#include <Library/AcpiLib.h>
-#include <Library/ArmLib.h>
-#include <IndustryStandard/Acpi.h>
-
#pragma pack(1)
typedef struct
{
@@ -28,7 +30,7 @@ typedef struct
EFI_ACPI_PCI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE Mcfg = {
{
ARM_ACPI_HEADER (
- EFI_ACPI_6_2_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
+ EFI_ACPI_6_4_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
EFI_ACPI_PCI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE,
EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION
),
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Spcr.aslc b/Platform/ARM/SgiPkg/AcpiTables/Spcr.aslc
index 632144530076..6467fcdf4fd0 100644
--- a/Platform/ARM/SgiPkg/AcpiTables/Spcr.aslc
+++ b/Platform/ARM/SgiPkg/AcpiTables/Spcr.aslc
@@ -1,20 +1,27 @@
/** @file
-* Serial Port Console Redirection Table (SPCR)
-*
-* Copyright (c) 2018, ARM Limited. All rights reserved.
-*
-* SPDX-License-Identifier: BSD-2-Clause-Patent
-*
+ Serial Port Console Redirection Table (SPCR)
+
+ SPCR table provides information about the configuration and use of the serial
+ port or non-legacy UART interface. This table list the non-secure UART
+ instance in the compute subsystem on the reference design platforms as the
+ available serial port.
+
+ Copyright (c) 2018 - 2022, Arm Limited. All rights reserved.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Specification Reference:
+ - https://docs.microsoft.com/en-us/windows-hardware/drivers/serports/
+ serial-port-console-redirection-table
**/
-#include "SgiAcpiHeader.h"
-#include <Library/AcpiLib.h>
-#include <IndustryStandard/Acpi62.h>
#include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
+#include <Library/AcpiLib.h>
+#include "SgiAcpiHeader.h"
STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
ARM_ACPI_HEADER (
- EFI_ACPI_6_2_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
+ EFI_ACPI_6_4_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE,
EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION
),
@@ -26,7 +33,7 @@ STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
EFI_ACPI_RESERVED_BYTE,
EFI_ACPI_RESERVED_BYTE
},
- // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE BaseAddress;
+ // EFI_ACPI_6_4_GENERIC_ADDRESS_STRUCTURE BaseAddress;
ARM_GAS32 (FixedPcdGet64 (PcdSerialDbgRegisterBase)),
// UINT8 InterruptType;
EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC,
--
2.17.1
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