/** @file
*  Multiple APIC Description Table (MADT)
*
*  Copyright (c) 2012 - 2015, ARM Limited. All rights reserved.
*  Copyright (c) 2016 Linaro Ltd. All rights reserved.
*
*  SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/

#include "FvpPlatform.h"
#include <Library/AcpiLib.h>
#include <Library/ArmLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Acpi61.h>

//
// 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[8];
  EFI_ACPI_6_1_GIC_DISTRIBUTOR_STRUCTURE                GicDistributor;
  EFI_ACPI_6_1_GICR_STRUCTURE                           Gicr;
} FVP_MULTIPLE_APIC_DESCRIPTION_TABLE;

#pragma pack ()

FVP_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
  {
    ARM_ACPI_HEADER (
      EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE,
      FVP_MULTIPLE_APIC_DESCRIPTION_TABLE,
      EFI_ACPI_6_1_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION
    ),
    //
    // MADT specific fields
    //
    0, // LocalApicAddress
    0, // Flags
  },
  {
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        0, 0, GET_MPID(0, 0), EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        1, 1, GET_MPID(0, 1),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        2, 2, GET_MPID(0, 2),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        3, 3, GET_MPID(0, 3),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        4, 4, GET_MPID(1, 0),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        5, 5, GET_MPID(1, 1),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        6, 6, GET_MPID(1, 2),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
    EFI_ACPI_6_0_GICC_STRUCTURE_INIT(
        7, 7, GET_MPID(1, 3),  EFI_ACPI_6_0_GIC_ENABLED, 0, FixedPcdGet64 (PcdGicInterruptInterfaceBase),
        0x2C02F000, 0x2C010000, 0x19, 0, 0),
  },
  EFI_ACPI_6_0_GIC_DISTRIBUTOR_INIT(0, FixedPcdGet64 (PcdGicDistributorBase), 0, 3),
  /* GIC Redistributor */
  {
    EFI_ACPI_6_1_GICR,                         // UINT8 Type
    sizeof(EFI_ACPI_6_1_GICR_STRUCTURE),       // UINT8 Length
    EFI_ACPI_RESERVED_WORD,                    // UINT16 Reserved
    FixedPcdGet64 (PcdGicRedistributorsBase),  // UINT64 DiscoveryRangeBaseAddress
    0x00200000,                                // UINT32 DiscoveryRangeLength
  }
};

//
// Reference the table being generated to prevent the optimizer from removing the
// data structure from the executable
//
VOID* CONST ReferenceAcpiTable = &Madt;
