/** @file
|
* Multiple APIC Description Table (MADT)
|
*
|
* Copyright (c) 2016 Linaro Ltd. All rights reserved.
|
* Copyright (c) 2012 - 2015, ARM Limited. All rights reserved.
|
*
|
* SPDX-License-Identifier: BSD-2-Clause-Patent
|
*
|
**/
|
|
#include <IndustryStandard/Acpi.h>
|
#include <Library/AcpiLib.h>
|
#include <Library/ArmLib.h>
|
#include <Library/PcdLib.h>
|
|
#include "AcpiTables.h"
|
#define CPU_4
|
//
|
// Multiple APIC Description Table
|
//
|
#pragma pack (1)
|
|
|
typedef struct {
|
EFI_ACPI_6_3_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER Header;
|
#ifdef CPU_4
|
EFI_ACPI_6_3_GIC_STRUCTURE GicInterfaces[4];
|
#else
|
EFI_ACPI_6_3_GIC_STRUCTURE GicInterfaces[1];
|
#endif
|
EFI_ACPI_6_3_GIC_DISTRIBUTOR_STRUCTURE GicDistributor;
|
EFI_ACPI_6_3_GICR_STRUCTURE GicRedistributor;
|
} PI_MULTIPLE_APIC_DESCRIPTION_TABLE;
|
|
#pragma pack ()
|
|
PI_MULTIPLE_APIC_DESCRIPTION_TABLE Madt = {
|
{
|
ACPI_HEADER (
|
EFI_ACPI_6_3_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE,
|
PI_MULTIPLE_APIC_DESCRIPTION_TABLE,
|
EFI_ACPI_6_3_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION
|
),
|
//
|
// MADT specific fields
|
//
|
0, // LocalApicAddress
|
0, // Flags
|
},
|
{
|
|
EFI_ACPI_6_3_GICC_STRUCTURE_INIT (
|
0, 0, GET_MPID(0, 0), EFI_ACPI_6_0_GIC_ENABLED, 23,
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), FixedPcdGet64 (PcdGicInterruptInterfaceBase),
|
//
|
// Use 1 for GICR Base Address below, since Windows 10 on Raspberry Pi 3 does not
|
// boot otherwise, and this is the value that Microsoft had in their IoT blobs.
|
// Kept to 1 for GICv2-based Pi 4, since this field only matters for GICv3.
|
//
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), 25, FixedPcdGet64 (PcdGicRedistributorsBase), 1, 0),
|
EFI_ACPI_6_3_GICC_STRUCTURE_INIT (
|
1, 1, GET_MPID(1, 0), EFI_ACPI_6_0_GIC_ENABLED, 23,
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), FixedPcdGet64 (PcdGicInterruptInterfaceBase),
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), 25, FixedPcdGet64 (PcdGicRedistributorsBase), 1, 0),
|
EFI_ACPI_6_3_GICC_STRUCTURE_INIT (
|
2, 2, GET_MPID(2, 0), EFI_ACPI_6_0_GIC_ENABLED, 23,
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), FixedPcdGet64 (PcdGicInterruptInterfaceBase),
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), 25, FixedPcdGet64 (PcdGicRedistributorsBase), 1, 0),
|
EFI_ACPI_6_3_GICC_STRUCTURE_INIT (
|
3, 3, GET_MPID(3, 0), EFI_ACPI_6_0_GIC_ENABLED, 23,
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), FixedPcdGet64 (PcdGicInterruptInterfaceBase),
|
FixedPcdGet64 (PcdGicInterruptInterfaceBase), 25, FixedPcdGet64 (PcdGicRedistributorsBase), 1, 0),
|
},
|
|
EFI_ACPI_6_0_GIC_DISTRIBUTOR_INIT (0, FixedPcdGet32 (PcdGicDistributorBase),
|
0, 3),
|
{
|
EFI_ACPI_6_3_GICR,
|
sizeof (EFI_ACPI_6_3_GICR_STRUCTURE),
|
EFI_ACPI_RESERVED_WORD,
|
FixedPcdGet32 (PcdGicRedistributorsBase),
|
0x100000
|
},
|
};
|
|
//
|
// Reference the table being generated to prevent the optimizer from removing the
|
// data structure from the executable
|
//
|
VOID* CONST ReferenceAcpiTable = &Madt;
|