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+/** @file
+* Multiple APIC Description Table (MADT)
+*
+* Copyright (c) 2012 - 2014, 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 "ArmPlatform.h"
+#include <Library/AcpiLib.h>
+#include <Library/ArmLib.h>
+#include <Library/PcdLib.h>
+#include <IndustryStandard/Acpi.h>
+
+//
+// Multiple APIC Description Table
+//
+#ifdef ARM_JUNO_ACPI_5_0
+ #pragma pack (1)
+
+ typedef struct {
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER Header;
+ EFI_ACPI_5_0_GIC_STRUCTURE GicInterfaces[FixedPcdGet32 (PcdCoreCount)];
+ EFI_ACPI_5_0_GIC_DISTRIBUTOR_STRUCTURE GicDistributor;
+ } EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE;
+
+ #pragma pack ()
+
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
+ {
+ ARM_ACPI_HEADER (
+ EFI_ACPI_1_0_APIC_SIGNATURE,
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE,
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION
+ ),
+ //
+ // MADT specific fields
+ //
+ 0, // LocalApicAddress
+ 0, // Flags
+ },
+ {
+ // Format: EFI_ACPI_5_0_GIC_STRUCTURE_INIT(GicId, AcpiCpuId, Flags, PmuIrq, GicBase)
+ // Note: The GIC Structure of the primary CPU must be the first entry (see note in 5.2.12.14 GIC Structure of
+ // ACPI v5.0).
+ // On Juno we can change the primary CPU changing the SCC register. It is not currently supported in the
+ // Trusted Firmware. When supported, we will need to code to dynamically change the ordering.
+ // For now we leave CPU2 (A53-0) at the first position.
+ // The cores from a same cluster are kept together. It is not an ACPI requirement but in case the OSPM uses
+ // the ACPI ARM Parking protocol, it might want to wake up the cores in the order of this table.
+ EFI_ACPI_5_0_GIC_STRUCTURE_INIT(2, 2, EFI_ACPI_5_0_GIC_ENABLED, 50, FixedPcdGet32 (PcdGicInterruptInterfaceBase)), // A53-0
+ EFI_ACPI_5_0_GIC_STRUCTURE_INIT(3, 3, EFI_ACPI_5_0_GIC_ENABLED, 54, FixedPcdGet32 (PcdGicInterruptInterfaceBase)), // A53-1
+ EFI_ACPI_5_0_GIC_STRUCTURE_INIT(4, 4, EFI_ACPI_5_0_GIC_ENABLED, 58, FixedPcdGet32 (PcdGicInterruptInterfaceBase)), // A53-2
+ EFI_ACPI_5_0_GIC_STRUCTURE_INIT(5, 5, EFI_ACPI_5_0_GIC_ENABLED, 62, FixedPcdGet32 (PcdGicInterruptInterfaceBase)), // A53-3
+ EFI_ACPI_5_0_GIC_STRUCTURE_INIT(0, 0, EFI_ACPI_5_0_GIC_ENABLED, 34, FixedPcdGet32 (PcdGicInterruptInterfaceBase)), // A57-0
+ EFI_ACPI_5_0_GIC_STRUCTURE_INIT(1, 1, EFI_ACPI_5_0_GIC_ENABLED, 38, FixedPcdGet32 (PcdGicInterruptInterfaceBase)) // A57-1
+ },
+ EFI_ACPI_5_0_GIC_DISTRIBUTOR_INIT(0, FixedPcdGet32 (PcdGicDistributorBase), 0)
+ };
+#else
+ #pragma pack (1)
+
+ typedef struct {
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER Header;
+ EFI_ACPI_5_1_GIC_STRUCTURE GicInterfaces[FixedPcdGet32 (PcdCoreCount)];
+ EFI_ACPI_5_0_GIC_DISTRIBUTOR_STRUCTURE GicDistributor;
+ } EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE;
+
+ #pragma pack ()
+
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
+ {
+ ARM_ACPI_HEADER (
+ EFI_ACPI_1_0_APIC_SIGNATURE,
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE,
+ EFI_ACPI_1_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION
+ ),
+ //
+ // MADT specific fields
+ //
+ 0, // LocalApicAddress
+ 0, // Flags
+ },
+ {
+ // Format: EFI_ACPI_5_1_GICC_STRUCTURE_INIT(GicId, AcpiCpuUid, Flags, PmuIrq, GicBase, GicVBase, GicHBase,
+ // GsivId, GicRBase, Mpidr)
+ // Note: The GIC Structure of the primary CPU must be the first entry (see note in 5.2.12.14 GICC Structure of
+ // ACPI v5.1).
+ // On Juno we can change the primary CPU changing the SCC register. It is not currently supported in the
+ // Trusted Firmware. When supported, we will need to code to dynamically change the ordering.
+ // For now we leave CPU2 (A53-0) at the first position.
+ // The cores from a same cluster are kept together. It is not an ACPI requirement but in case the OSPM uses
+ // the ACPI ARM Parking protocol, it might want to wake up the cores in the order of this table.
+ EFI_ACPI_5_1_GICC_STRUCTURE_INIT( // A53-0
+ 2, 2, GET_MPID(1, 0), EFI_ACPI_5_0_GIC_ENABLED, 50, FixedPcdGet32 (PcdGicInterruptInterfaceBase),
+ 0x2C06F000, 0x2C04F000, 25, 0 /* GicRBase */),
+ EFI_ACPI_5_1_GICC_STRUCTURE_INIT( // A53-1
+ 3, 3, GET_MPID(1, 1), EFI_ACPI_5_0_GIC_ENABLED, 54, FixedPcdGet32 (PcdGicInterruptInterfaceBase),
+ 0x2C06F000, 0x2C04F000, 25, 0 /* GicRBase */),
+ EFI_ACPI_5_1_GICC_STRUCTURE_INIT( // A53-2
+ 4, 4, GET_MPID(1, 2), EFI_ACPI_5_0_GIC_ENABLED, 58, FixedPcdGet32 (PcdGicInterruptInterfaceBase),
+ 0x2C06F000, 0x2C04F000, 25, 0 /* GicRBase */),
+ EFI_ACPI_5_1_GICC_STRUCTURE_INIT( // A53-3
+ 5, 5, GET_MPID(1, 3), EFI_ACPI_5_0_GIC_ENABLED, 62, FixedPcdGet32 (PcdGicInterruptInterfaceBase),
+ 0x2C06F000, 0x2C04F000, 25, 0 /* GicRBase */),
+ EFI_ACPI_5_1_GICC_STRUCTURE_INIT( // A57-0
+ 0, 0, GET_MPID(0, 0), EFI_ACPI_5_0_GIC_ENABLED, 34, FixedPcdGet32 (PcdGicInterruptInterfaceBase),
+ 0x2C06F000, 0x2C04F000, 25, 0 /* GicRBase */),
+ EFI_ACPI_5_1_GICC_STRUCTURE_INIT( // A57-1
+ 1, 1, GET_MPID(0, 1), EFI_ACPI_5_0_GIC_ENABLED, 38, FixedPcdGet32 (PcdGicInterruptInterfaceBase),
+ 0x2C06F000, 0x2C04F000, 25, 0 /* GicRBase */),
+ },
+ EFI_ACPI_5_0_GIC_DISTRIBUTOR_INIT(0, FixedPcdGet32 (PcdGicDistributorBase), 0)
+ };
+#endif
+
+VOID*
+ReferenceAcpiTable (
+ VOID
+ )
+{
+ //
+ // Reference the table being generated to prevent the optimizer from removing the
+ // data structure from the executable
+ //
+ return (VOID*)&Madt;
+}