From: Daniil Egranov <daniil.egra...@arm.com>

Add the initial version of Acpi tables for the SGI-575 platform which
is required to boot the linux kernel up to a busybox prompt.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Daniil Egranov <daniil.egra...@arm.com>
Signed-off-by: Thomas Abraham <thomas.abra...@arm.com>
---
 .../ARM/SgiPkg/AcpiTables/Sgi575/AcpiTables.inf    |  50 +++++++
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc    |  89 +++++++++++++
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl     |  99 ++++++++++++++
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Fadt.aslc    |  87 +++++++++++++
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc    | 144 +++++++++++++++++++++
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Madt.aslc    | 127 ++++++++++++++++++
 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc    |  76 +++++++++++
 .../ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c   |   9 ++
 Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h        |  41 ++++++
 9 files changed, 722 insertions(+)
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/AcpiTables.inf
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Fadt.aslc
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Madt.aslc
 create mode 100644 Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc
 create mode 100644 Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h

diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/AcpiTables.inf 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/AcpiTables.inf
new file mode 100644
index 0000000..a44c76f
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/AcpiTables.inf
@@ -0,0 +1,50 @@
+## @file
+#
+#  ACPI table data and ASL sources required to boot the platform.
+#
+#  Copyright (c) 2018, ARM Ltd. All rights reserved.
+#
+#  This program and the accompanying materials are licensed and made available
+#  under the terms and conditions of the BSD License which 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.
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = Sgi575AcpiTables
+  FILE_GUID                      = c712719a-0aaf-438c-9cdd-35ab4d60207d
+  MODULE_TYPE                    = USER_DEFINED
+  VERSION_STRING                 = 1.0
+
+[Sources]
+  Dbg2.aslc
+  Dsdt.asl
+  Fadt.aslc
+  Gtdt.aslc
+  Madt.aslc
+  Spcr.aslc
+
+[Packages]
+  ArmPkg/ArmPkg.dec
+  ArmPlatformPkg/ArmPlatformPkg.dec
+  Platform/ARM/VExpressPkg/ArmVExpressPkg.dec
+  edk2-platforms/Platform/ARM/SgiPkg/SgiPlatform.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[FixedPcd]
+  gArmTokenSpaceGuid.PcdArmArchTimerSecIntrNum
+  gArmTokenSpaceGuid.PcdArmArchTimerIntrNum
+  gArmTokenSpaceGuid.PcdArmArchTimerHypIntrNum
+  gArmTokenSpaceGuid.PcdArmArchTimerVirtIntrNum
+
+  gArmTokenSpaceGuid.PcdGenericWatchdogControlBase
+  gArmTokenSpaceGuid.PcdGenericWatchdogRefreshBase
+  gArmPlatformTokenSpaceGuid.PcdSerialDbgRegisterBase
+  gArmPlatformTokenSpaceGuid.PL011UartInterrupt
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc
new file mode 100644
index 0000000..d17b7bb
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc
@@ -0,0 +1,89 @@
+/** @file
+*  DBG2 Table
+*
+*  Copyright (c) 2018, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials are licensed and made available
+*  under the terms and conditions of the BSD License which 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 "SgiAcpiHeader.h"
+#include <Library/AcpiLib.h>
+#include <IndustryStandard/Acpi61.h>
+#include <IndustryStandard/DebugPort2Table.h>
+
+#pragma pack(1)
+
+#define DBG2_NUM_DEBUG_PORTS                       1
+#define DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS   1
+#define DBG2_NAMESPACESTRING_FIELD_SIZE            8
+#define PL011_UART_LENGTH                          0x1000
+
+#define NAME_STR_UART1     {'C', 'O', 'M', '1', '\0', '\0', '\0', '\0'}
+
+typedef struct {
+  EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
+  EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE        BaseAddressRegister;
+  UINT32                                        AddressSize;
+  UINT8                                         
NameSpaceString[DBG2_NAMESPACESTRING_FIELD_SIZE];
+} DBG2_DEBUG_DEVICE_INFORMATION;
+
+typedef struct {
+  EFI_ACPI_DEBUG_PORT_2_DESCRIPTION_TABLE       Description;
+  DBG2_DEBUG_DEVICE_INFORMATION                 
Dbg2DeviceInfo[DBG2_NUM_DEBUG_PORTS];
+} DBG2_TABLE;
+
+
+#define DBG2_DEBUG_PORT_DDI(NumReg, SubType, UartBase, UartAddrLen, 
UartNameStr) {                                    \
+    {                                                                          
                                       \
+      EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION,         /* UINT8 
    Revision */                        \
+      sizeof (DBG2_DEBUG_DEVICE_INFORMATION),                         /* 
UINT16    Length */                          \
+      NumReg,                                                         /* UINT8 
    NumberofGenericAddressRegisters */ \
+      DBG2_NAMESPACESTRING_FIELD_SIZE,                                /* 
UINT16    NameSpaceStringLength */           \
+      OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString),     /* 
UINT16    NameSpaceStringOffset */           \
+      0,                                                              /* 
UINT16    OemDataLength */                   \
+      0,                                                              /* 
UINT16    OemDataOffset */                   \
+      EFI_ACPI_DBG2_PORT_TYPE_SERIAL,                                 /* 
UINT16    Port Type */                       \
+      SubType,                                                        /* 
UINT16    Port Subtype */                    \
+      {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE},               /* UINT8 
    Reserved[2] */                     \
+      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_1_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
+    UartAddrLen,                                     /* UINT32  AddressSize */ 
                                       \
+    UartNameStr                                      /* UINT8   
NameSpaceString[MAX_DBG2_NAME_LEN] */                 \
+  }
+
+STATIC DBG2_TABLE Dbg2 = {
+  {
+    ARM_ACPI_HEADER (EFI_ACPI_6_1_DEBUG_PORT_2_TABLE_SIGNATURE,
+                       DBG2_TABLE,
+                       EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION),
+    OFFSET_OF (DBG2_TABLE, Dbg2DeviceInfo),
+    DBG2_NUM_DEBUG_PORTS                                              /* 
UINT32  NumberDbgDeviceInfo */
+  },
+  {
+    /*
+     * Kernel Debug Port
+     */
+    DBG2_DEBUG_PORT_DDI (DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS,
+                          
EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_SBSA_GENERIC_UART,
+                          FixedPcdGet64 (PcdSerialDbgRegisterBase),
+                          PL011_UART_LENGTH,
+                          NAME_STR_UART1),
+  }
+};
+
+#pragma pack()
+
+//
+// Reference the table being generated to prevent the optimizer from removing
+// the data structure from the executable
+//
+VOID* CONST ReferenceAcpiTable = &Dbg2;
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
new file mode 100644
index 0000000..6c251e2
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl
@@ -0,0 +1,99 @@
+/** @file
+  Differentiated System Description Table Fields (DSDT)
+
+  Copyright (c) 2018, ARM Ltd. All rights reserved.
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which 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 "SgiPlatform.h"
+#include "SgiAcpiHeader.h"
+
+DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", "ARM-SGI575", 
EFI_ACPI_ARM_OEM_REVISION) {
+  Scope(_SB) {
+
+    Device(CP00) { // A75-0: Cluster 0, Cpu 0
+      Name(_HID, "ACPI0007")
+      Name(_UID, 0)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP01) { // A75-0: Cluster 0, Cpu 1
+      Name(_HID, "ACPI0007")
+      Name(_UID, 1)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP02) { // A75-0: Cluster 0, Cpu 2
+      Name(_HID, "ACPI0007")
+      Name(_UID, 2)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP03) { // A75-0: Cluster 0, Cpu 3
+      Name(_HID, "ACPI0007")
+      Name(_UID, 3)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP04) { // A75-0: Cluster 1, Cpu 0
+      Name(_HID, "ACPI0007")
+      Name(_UID, 4)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP05) { // A75-0: Cluster 1, Cpu 1
+      Name(_HID, "ACPI0007")
+      Name(_UID, 5)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP06) { // A75-0: Cluster 1, Cpu 2
+      Name(_HID, "ACPI0007")
+      Name(_UID, 6)
+      Name(_STA, 0xF)
+    }
+
+    Device(CP07) { // A75-0: Cluster 1, Cpu 3
+      Name(_HID, "ACPI0007")
+      Name(_UID, 7)
+      Name(_STA, 0xF)
+    }
+
+    // UART PL011
+    Device(COM0) {
+      Name(_HID, "ARMH0011")
+      Name(_CID, "ARMH0011")
+      Name(_UID, Zero)
+      Name(_STA, 0xF)
+      Name(_CRS, ResourceTemplate() {
+        Memory32Fixed(ReadWrite, 0x7FF80000, 0x1000)
+        Interrupt(ResourceConsumer, Level, ActiveHigh, Exclusive) { 147 }
+      })
+    }
+
+    // SMSC 91C111
+    Device(ETH0) {
+      Name(_HID, "LNRO0003")
+      Name(_UID, Zero)
+      Name(_STA, 0xF)
+      Name(_CRS, ResourceTemplate() {
+            Memory32Fixed(ReadWrite, 0x18000000, 0x1000)
+            Interrupt(ResourceConsumer, Level, ActiveHigh, Exclusive) { 111 }
+      })
+      Name(_DSD, Package() {
+                 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+                     Package() {
+                     Package(2) {"reg-io-width", 4 },
+                    }
+      })
+    }
+  } // Scope(_SB)
+}
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Fadt.aslc 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Fadt.aslc
new file mode 100644
index 0000000..65d4e7a
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Fadt.aslc
@@ -0,0 +1,87 @@
+/** @file
+*  Fixed ACPI Description Table (FADT)
+*
+*  Copyright (c) 2018, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials are licensed and made available
+*  under the terms and conditions of the BSD License which 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 "SgiAcpiHeader.h"
+#include <Library/AcpiLib.h>
+#include <IndustryStandard/Acpi.h>
+
+EFI_ACPI_6_1_FIXED_ACPI_DESCRIPTION_TABLE Fadt = {
+  ARM_ACPI_HEADER (
+    EFI_ACPI_6_1_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+    EFI_ACPI_6_1_FIXED_ACPI_DESCRIPTION_TABLE,
+    EFI_ACPI_6_1_FIXED_ACPI_DESCRIPTION_TABLE_REVISION
+  ),
+  0,                                                                        // 
UINT32     FirmwareCtrl
+  0,                                                                        // 
UINT32     Dsdt
+  EFI_ACPI_RESERVED_BYTE,                                                   // 
UINT8      Reserved0
+  EFI_ACPI_6_1_PM_PROFILE_ENTERPRISE_SERVER,                                // 
UINT8      PreferredPmProfile
+  0,                                                                        // 
UINT16     SciInt
+  0,                                                                        // 
UINT32     SmiCmd
+  0,                                                                        // 
UINT8      AcpiEnable
+  0,                                                                        // 
UINT8      AcpiDisable
+  0,                                                                        // 
UINT8      S4BiosReq
+  0,                                                                        // 
UINT8      PstateCnt
+  0,                                                                        // 
UINT32     Pm1aEvtBlk
+  0,                                                                        // 
UINT32     Pm1bEvtBlk
+  0,                                                                        // 
UINT32     Pm1aCntBlk
+  0,                                                                        // 
UINT32     Pm1bCntBlk
+  0,                                                                        // 
UINT32     Pm2CntBlk
+  0,                                                                        // 
UINT32     PmTmrBlk
+  0,                                                                        // 
UINT32     Gpe0Blk
+  0,                                                                        // 
UINT32     Gpe1Blk
+  0,                                                                        // 
UINT8      Pm1EvtLen
+  0,                                                                        // 
UINT8      Pm1CntLen
+  0,                                                                        // 
UINT8      Pm2CntLen
+  0,                                                                        // 
UINT8      PmTmrLen
+  0,                                                                        // 
UINT8      Gpe0BlkLen
+  0,                                                                        // 
UINT8      Gpe1BlkLen
+  0,                                                                        // 
UINT8      Gpe1Base
+  0,                                                                        // 
UINT8      CstCnt
+  0,                                                                        // 
UINT16     PLvl2Lat
+  0,                                                                        // 
UINT16     PLvl3Lat
+  0,                                                                        // 
UINT16     FlushSize
+  0,                                                                        // 
UINT16     FlushStride
+  0,                                                                        // 
UINT8      DutyOffset
+  0,                                                                        // 
UINT8      DutyWidth
+  0,                                                                        // 
UINT8      DayAlrm
+  0,                                                                        // 
UINT8      MonAlrm
+  0,                                                                        // 
UINT8      Century
+  0,                                                                        // 
UINT16     IaPcBootArch
+  0,                                                                        // 
UINT8      Reserved1
+  EFI_ACPI_6_1_HW_REDUCED_ACPI | EFI_ACPI_6_1_LOW_POWER_S0_IDLE_CAPABLE,    // 
UINT32     Flags
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  ResetReg
+  0,                                                                        // 
UINT8      ResetValue
+  EFI_ACPI_6_1_ARM_PSCI_COMPLIANT,                                          // 
UINT16     ArmBootArchFlags
+  EFI_ACPI_6_1_FIXED_ACPI_DESCRIPTION_TABLE_MINOR_REVISION,                 // 
UINT8      MinorRevision
+  0,                                                                        // 
UINT64     XFirmwareCtrl
+  0,                                                                        // 
UINT64     XDsdt
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XPm1aEvtBlk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XPm1bEvtBlk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XPm1aCntBlk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XPm1bCntBlk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XPm2CntBlk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XPmTmrBlk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XGpe0Blk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  XGpe1Blk
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  SleepControlReg
+  NULL_GAS,                                                                 // 
EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  SleepStatusReg
+  0                                                                         // 
UINT64     HypervisorVendorIdentity;
+};
+
+//
+// Reference the table being generated to prevent the optimizer from removing 
the
+// data structure from the executable
+//
+VOID* CONST ReferenceAcpiTable = &Fadt;
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc
new file mode 100644
index 0000000..5fdf76e
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc
@@ -0,0 +1,144 @@
+/** @file
+*  Generic Timer Description Table (GTDT)
+*
+*  Copyright (c) 2018, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials are licensed and made available
+*  under the terms and conditions of the BSD License which 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 "SgiAcpiHeader.h"
+#include <Library/AcpiLib.h>
+#include <Library/PcdLib.h>
+#include <IndustryStandard/Acpi61.h>
+
+#define SGI_PLATFORM_WATCHDOG_COUNT  2
+
+#define GTDT_GLOBAL_FLAGS_MAPPED      
EFI_ACPI_6_1_GTDT_GLOBAL_FLAG_MEMORY_MAPPED_BLOCK_PRESENT
+#define GTDT_GLOBAL_FLAGS_NOT_MAPPED  0
+#define GTDT_GLOBAL_FLAGS_EDGE        
EFI_ACPI_6_1_GTDT_GLOBAL_FLAG_INTERRUPT_MODE
+#define GTDT_GLOBAL_FLAGS_LEVEL       0
+
+#ifdef SYSTEM_TIMER_BASE_ADDRESS
+  #define GTDT_GLOBAL_FLAGS             (GTDT_GLOBAL_FLAGS_MAPPED | 
GTDT_GLOBAL_FLAGS_LEVEL)
+#else
+  #define GTDT_GLOBAL_FLAGS             (GTDT_GLOBAL_FLAGS_NOT_MAPPED | 
GTDT_GLOBAL_FLAGS_LEVEL)
+  #define SYSTEM_TIMER_BASE_ADDRESS     0xFFFFFFFFFFFFFFFF
+#endif
+
+#define SGI_PLATFORM_TIMER_COUNT    2
+#define SGI_TIMER_FRAMES_COUNT      2
+
+#define GTDT_TIMER_EDGE_TRIGGERED   
EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE
+#define GTDT_TIMER_LEVEL_TRIGGERED  0
+#define GTDT_TIMER_ACTIVE_LOW       
EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
+#define GTDT_TIMER_ACTIVE_HIGH      0
+#define GTDT_TIMER_SAVE_CONTEXT     
EFI_ACPI_6_1_GTDT_TIMER_FLAG_ALWAYS_ON_CAPABILITY
+#define GTDT_TIMER_LOSE_CONTEXT     0
+
+#define SGI_GT_BLOCK_CTL_BASE           0x000000002A810000
+#define SGI_GT_BLOCK_FRAME1_CTL_BASE    0x000000002A820000
+#define SGI_GT_BLOCK_FRAME1_CTL_EL0_BASE  0xFFFFFFFFFFFFFFFF
+#define SGI_GT_BLOCK_FRAME1_GSIV        0x5B
+
+#define SGI_GT_BLOCK_FRAME0_CTL_BASE    0x000000002A830000
+#define SGI_GT_BLOCK_FRAME0_CTL_EL0_BASE  0xFFFFFFFFFFFFFFFF
+#define SGI_GT_BLOCK_FRAME0_GSIV        0x5C
+
+#define GTX_TIMER_EDGE_TRIGGERED    
EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_FLAG_TIMER_INTERRUPT_MODE
+#define GTX_TIMER_LEVEL_TRIGGERED   0
+#define GTX_TIMER_ACTIVE_LOW        
EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
+#define GTX_TIMER_ACTIVE_HIGH       0
+
+#define SGI_GTX_TIMER_FLAGS         (GTX_TIMER_ACTIVE_HIGH | 
GTX_TIMER_LEVEL_TRIGGERED)
+
+#define GTX_TIMER_SECURE            
EFI_ACPI_6_1_GTDT_GT_BLOCK_COMMON_FLAG_SECURE_TIMER
+#define GTX_TIMER_NON_SECURE        0
+#define GTX_TIMER_SAVE_CONTEXT      
EFI_ACPI_6_1_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY
+#define GTX_TIMER_LOSE_CONTEXT      0
+
+#define GTDT_GTIMER_FLAGS           (GTDT_TIMER_ACTIVE_LOW | 
GTDT_TIMER_LEVEL_TRIGGERED)
+#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)
+  #pragma pack (1)
+
+  typedef struct {
+    EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE          Gtdt;
+    EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE                  GtBlock;
+    EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE            
Frames[SGI_TIMER_FRAMES_COUNT];
+  } EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES;
+
+  #pragma pack ()
+
+  EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
+    {
+      ARM_ACPI_HEADER(
+        EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
+        EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES,
+        EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
+      ),
+      SYSTEM_TIMER_BASE_ADDRESS,                    // UINT64  PhysicalAddress
+      0,                                            // UINT32  Reserved
+      FixedPcdGet32 (PcdArmArchTimerSecIntrNum),    // UINT32  
SecurePL1TimerGSIV
+      GTDT_GTIMER_FLAGS,                            // UINT32  
SecurePL1TimerFlags
+      FixedPcdGet32 (PcdArmArchTimerIntrNum),       // UINT32  
NonSecurePL1TimerGSIV
+      GTDT_GTIMER_FLAGS,                            // UINT32  
NonSecurePL1TimerFlags
+      FixedPcdGet32 (PcdArmArchTimerVirtIntrNum),   // UINT32  VirtualTimerGSIV
+      GTDT_GTIMER_FLAGS,                            // UINT32  
VirtualTimerFlags
+      FixedPcdGet32 (PcdArmArchTimerHypIntrNum),    // UINT32  
NonSecurePL2TimerGSIV
+      GTDT_GTIMER_FLAGS,                            // UINT32  
NonSecurePL2TimerFlags
+      0xFFFFFFFFFFFFFFFF,                           // UINT64  
CntReadBasePhysicalAddress
+      SGI_PLATFORM_WATCHDOG_COUNT,                  // UINT32  
PlatformTimerCount
+      sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 
PlatfromTimerOffset
+    },
+    {
+      EFI_ACPI_6_1_GTDT_GT_BLOCK,                           // UINT8 Type
+        sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE)        // UINT16 Length
+        + sizeof(EFI_ACPI_6_1_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_1_GTDT_GT_BLOCK_STRUCTURE)          // UINT32 
GTBlockTimerOffset
+  },
+  {
+    {
+      0,                                                    // UINT8 
GTFrameNumber
+      {EFI_ACPI_RESERVED_BYTE,
+       EFI_ACPI_RESERVED_BYTE,
+       EFI_ACPI_RESERVED_BYTE},                             // UINT8 
Reserved[3]
+      SGI_GT_BLOCK_FRAME0_CTL_BASE,                         // UINT64 CntBaseX
+      SGI_GT_BLOCK_FRAME0_CTL_EL0_BASE,                     // UINT64 
CntEL0BaseX
+      SGI_GT_BLOCK_FRAME0_GSIV,                             // UINT32 
GTxPhysicalTimerGSIV
+      SGI_GTX_TIMER_FLAGS,                                  // UINT32 
GTxPhysicalTimerFlags
+      0,                                                    // UINT32 
GTxVirtualTimerGSIV
+      0,                                                    // UINT32 
GTxVirtualTimerFlags
+      SGI_GTX_COMMON_FLAGS_NS                                // UINT32 
GTxCommonFlags
+    },
+    {
+      1,                                                    // UINT8 
GTFrameNumber
+      {EFI_ACPI_RESERVED_BYTE,
+       EFI_ACPI_RESERVED_BYTE,
+       EFI_ACPI_RESERVED_BYTE},                             // UINT8 
Reserved[3]
+      SGI_GT_BLOCK_FRAME1_CTL_BASE,                         // UINT64 CntBaseX
+      SGI_GT_BLOCK_FRAME1_CTL_EL0_BASE,                     // UINT64 
CntEL0BaseX
+      SGI_GT_BLOCK_FRAME1_GSIV,                             // UINT32 
GTxPhysicalTimerGSIV
+      SGI_GTX_TIMER_FLAGS,                                  // UINT32 
GTxPhysicalTimerFlags
+      0,                                                    // UINT32 
GTxVirtualTimerGSIV
+      0,                                                    // UINT32 
GTxVirtualTimerFlags
+      SGI_GTX_COMMON_FLAGS_S                               // UINT32 
GTxCommonFlags
+    }
+  },
+  };
+
+//
+// Reference the table being generated to prevent the optimizer from removing 
the
+// data structure from the executable
+//
+VOID* CONST ReferenceAcpiTable = &Gtdt;
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Madt.aslc 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Madt.aslc
new file mode 100644
index 0000000..5bb8483
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Madt.aslc
@@ -0,0 +1,127 @@
+/** @file
+*  Multiple APIC Description Table (MADT)
+*
+*  Copyright (c) 2018, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials are licensed and made available
+*  under the terms and conditions of the BSD License which 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 "SgiPlatform.h"
+#include "SgiAcpiHeader.h"
+#include <Library/AcpiLib.h>
+#include <Library/ArmLib.h>
+#include <Library/PcdLib.h>
+#include <IndustryStandard/Acpi.h>
+
+/* SGI575 configuration */
+#define SGI575_CORE_COUNT                  4
+#define SGI575_CLUSTER_COUNT               2
+
+#define EFI_ACPI_6_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, Flags, 
PmuIrq,    \
+    GicBase, GicVBase, GicHBase, GsivId, GicRBase, Efficiency)                 
      \
+  {                                                                            
      \
+    EFI_ACPI_6_1_GIC, sizeof (EFI_ACPI_6_1_GIC_STRUCTURE), 
EFI_ACPI_RESERVED_WORD,   \
+    GicId, AcpiCpuUid, Flags, 0, PmuIrq, 0, GicBase, GicVBase, GicHBase,       
      \
+    GsivId, GicRBase, Mpidr, Efficiency,                                       
      \
+    {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}   
      \
+  }
+
+#define EFI_ACPI_6_1_GIC_DISTRIBUTOR_INIT(GicDistHwId, GicDistBase, 
GicDistVector, GicVersion) \
+  { \
+    EFI_ACPI_6_1_GICD, sizeof (EFI_ACPI_6_1_GIC_DISTRIBUTOR_STRUCTURE), 
EFI_ACPI_RESERVED_WORD, \
+    GicDistHwId, GicDistBase, GicDistVector, GicVersion, \
+    {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE} \
+  }
+
+#define EFI_ACPI_6_1_GIC_REDISTRIBUTOR_INIT(RedisRegionAddr, RedisDiscLength) \
+  { \
+    EFI_ACPI_6_1_GICR, sizeof (EFI_ACPI_6_1_GICR_STRUCTURE), 0, 
RedisRegionAddr, RedisDiscLength \
+  }
+
+
+//
+// Multiple APIC Description Table
+//
+  #pragma pack (1)
+
+  typedef struct {
+    EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER   Header;
+    EFI_ACPI_6_1_GIC_STRUCTURE                            
GicInterfaces[SGI575_CORE_COUNT * SGI575_CLUSTER_COUNT];
+    EFI_ACPI_6_1_GIC_DISTRIBUTOR_STRUCTURE                GicDistributor;
+    EFI_ACPI_6_1_GICR_STRUCTURE                           GicRedistributor;
+    EFI_ACPI_6_1_GIC_ITS_STRUCTURE                        GicIts;
+  } EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE;
+
+  #pragma pack ()
+
+  EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
+    {
+      ARM_ACPI_HEADER (
+        EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE,
+        EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE,
+        EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION
+      ),
+      //
+      // MADT specific fields
+      //
+      0, // LocalApicAddress
+      0, // Flags
+    },
+    {
+      // Format: EFI_ACPI_6_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Mpidr, 
Flags, PmuIrq, GicBase, GicVBase,
+      //                                          GicHBase, GsivId, GicRBase, 
Efficiency)
+      // Note: The GIC Structure of the primary CPU must be the first entry 
(see note in 5.2.12.14 GICC Structure of
+      //       ACPI v6.1).
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-0
+          0, 0, GET_MPID(0x0, 0x0), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-1
+          0, 1, GET_MPID(0x0, 0x100), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-2
+          0, 2, GET_MPID(0x0, 0x200), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-3
+          0, 3, GET_MPID(0x0, 0x300), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-4
+          0, 4, GET_MPID(0x100, 0x00), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-5
+          0, 5, GET_MPID(0x100, 0x100), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-6
+          0, 6, GET_MPID(0x100, 0x200), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+      EFI_ACPI_6_1_GICC_STRUCTURE_INIT( // A72-7
+          0, 7, GET_MPID(0x100, 0x300), EFI_ACPI_6_1_GIC_ENABLED, 23, 
SGI_SUBSYS_GENERIC_GIC_BASE,
+          0x2c020000, 0x2c010000, 25, 0 /* GicRBase */, 0 /* Processor Power 
Efficiency Class */),
+    },
+    // GIC Distributor Entry
+    EFI_ACPI_6_1_GIC_DISTRIBUTOR_INIT(0, SGI_SUBSYS_GENERIC_GIC_BASE, 0, 3),
+    // GIC Redistributor
+    EFI_ACPI_6_1_GIC_REDISTRIBUTOR_INIT(SGI_SUBSYS_GENERIC_GICR_BASE, 
SIZE_1MB),
+    /* GIC ITS */
+    {
+      EFI_ACPI_6_1_GIC_ITS,
+      sizeof(EFI_ACPI_6_1_GIC_ITS_STRUCTURE),
+      EFI_ACPI_RESERVED_WORD,
+      0x00000000,  // GIC ITS ID
+      0x30040000,  // Base address of GIC ITS0
+      EFI_ACPI_RESERVED_DWORD,
+    }
+  };
+
+//
+// Reference the table being generated to prevent the optimizer from removing 
the
+// data structure from the executable
+//
+VOID* CONST ReferenceAcpiTable = &Madt;
diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc 
b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc
new file mode 100644
index 0000000..7db5e08
--- /dev/null
+++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc
@@ -0,0 +1,76 @@
+/** @file
+*
+* SPCR Table
+*
+* Copyright (c) 2018, ARM Limited. All rights reserved.
+*
+* This program and the accompanying materials are licensed and made available
+* under the terms and conditions of the BSD License which 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 "SgiAcpiHeader.h"
+#include <Library/AcpiLib.h>
+#include <IndustryStandard/Acpi61.h>
+#include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
+
+STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
+  ARM_ACPI_HEADER 
(EFI_ACPI_6_1_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
+                     EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE,
+                     EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION),
+  // UINT8                                   InterfaceType;
+  EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERFACE_TYPE_ARM_PL011_UART,
+  // UINT8                                   Reserved1[3];
+  {
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE
+  },
+  // EFI_ACPI_5_0_GENERIC_ADDRESS_STRUCTURE  BaseAddress;
+  ARM_GAS32 (0x7FF80000),
+  // UINT8                                   InterruptType;
+  EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC,
+  // UINT8                                   Irq;
+  0,
+  // UINT32                                  GlobalSystemInterrupt;
+  FixedPcdGet32 (PL011UartInterrupt),
+  // UINT8                                   BaudRate;
+  EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_BAUD_RATE_115200,
+  // UINT8                                   Parity;
+  EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_PARITY_NO_PARITY,
+  // UINT8                                   StopBits;
+  EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_STOP_BITS_1,
+  // UINT8                                   FlowControl;
+  0,
+  // UINT8                                   TerminalType;
+  EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_TERMINAL_TYPE_ANSI,
+  // UINT8                                   Reserved2;
+  EFI_ACPI_RESERVED_BYTE,
+  // UINT16                                  PciDeviceId;
+  0xFFFF,
+  // UINT16                                  PciVendorId;
+  0xFFFF,
+  // UINT8                                   PciBusNumber;
+  0x00,
+  // UINT8                                   PciDeviceNumber;
+  0x00,
+  // UINT8                                   PciFunctionNumber;
+  0x00,
+  // UINT32                                  PciFlags;
+  0x00000000,
+  // UINT8                                   PciSegment;
+  0x00,
+  // UINT32                                  Reserved3;
+  EFI_ACPI_RESERVED_DWORD
+};
+
+//
+// Reference the table being generated to prevent the optimizer from removing 
the
+// data structure from the executable
+//
+VOID* CONST ReferenceAcpiTable = &Spcr;
diff --git a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c 
b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
index 5d54f06..8c7d168 100644
--- a/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
+++ b/Platform/ARM/SgiPkg/Drivers/PlatformDxe/PlatformDxe.c
@@ -12,8 +12,11 @@
 *
 **/
 
+#include <Library/AcpiLib.h>
 #include <Library/DebugLib.h>
 
+STATIC CONST EFI_GUID mSgi575AcpiTableFile = { 0xc712719a, 0x0aaf, 0x438c, { 
0x9c, 0xdd, 0x35, 0xab, 0x4d, 0x60, 0x20, 0x7d } };
+
 EFI_STATUS
 InitVirtioBlockIo (
    IN EFI_HANDLE         ImageHandle
@@ -28,6 +31,12 @@ ArmSgiPkgEntryPoint (
 {
   EFI_STATUS              Status;
 
+  Status = LocateAndInstallAcpiFromFv (&mSgi575AcpiTableFile);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "PlatformDxe: Failed to install ACPI tables\n"));
+    return Status;
+  }
+
   // Install Virtio Block IO.
   if ( FeaturePcdGet (PcdVirtioSupported) == TRUE ) {
     Status = InitVirtioBlockIo (ImageHandle);
diff --git a/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h 
b/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h
new file mode 100644
index 0000000..a755567
--- /dev/null
+++ b/Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h
@@ -0,0 +1,41 @@
+/** @file
+*
+*  Copyright (c) 2018, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials are licensed and made available
+*  under the terms and conditions of the BSD License which 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.
+*
+**/
+
+#ifndef __SGI_ACPI_HEADER__
+#define __SGI_ACPI_HEADER__
+
+//
+// ACPI table information used to initialize tables.
+//
+#define EFI_ACPI_ARM_OEM_ID           'A','R','M','L','T','D'   // OEMID 6 
bytes long
+#define EFI_ACPI_ARM_OEM_TABLE_ID     
SIGNATURE_64('E','N','T','P','L','A','T','F') // OEM table id 8 bytes long
+#define EFI_ACPI_ARM_OEM_REVISION     0x20140727
+#define EFI_ACPI_ARM_CREATOR_ID       SIGNATURE_32('A','R','M',' ')
+#define EFI_ACPI_ARM_CREATOR_REVISION 0x00000099
+
+// A macro to initialise the common header part of EFI ACPI tables as defined 
by
+// EFI_ACPI_DESCRIPTION_HEADER structure.
+#define ARM_ACPI_HEADER(Signature, Type, Revision) {              \
+    Signature,                      /* UINT32  Signature */       \
+    sizeof (Type),                  /* UINT32  Length */          \
+    Revision,                       /* UINT8   Revision */        \
+    0,                              /* UINT8   Checksum */        \
+    { EFI_ACPI_ARM_OEM_ID },        /* UINT8   OemId[6] */        \
+    EFI_ACPI_ARM_OEM_TABLE_ID,      /* UINT64  OemTableId */      \
+    EFI_ACPI_ARM_OEM_REVISION,      /* UINT32  OemRevision */     \
+    EFI_ACPI_ARM_CREATOR_ID,        /* UINT32  CreatorId */       \
+    EFI_ACPI_ARM_CREATOR_REVISION   /* UINT32  CreatorRevision */ \
+  }
+
+#endif /* __SGI_ACPI_HEADER__ */
-- 
2.7.4

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