We have SbsaQemuHardwareInfoLib to ask for hardware details. No need to
parse DeviceTree anymore.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiew...@linaro.org>
---
Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.inf | 6 ++----
.../Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.inf | 5 ++---
.../SbsaQemu/Library/SbsaQemuLib/SbsaQemuLib.inf | 4 ++--
Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.c | 11 +++++-----
.../Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.c | 21 +++++++-------------
5 files changed, 18 insertions(+), 29 deletions(-)
diff --git a/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.inf
b/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.inf
index a34f54d431d4..f959d8e0e4ee 100644
--- a/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.inf
+++ b/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.inf
@@ -3,7 +3,7 @@
#
# Copyright (c) 2021, NUVIA Inc. All rights reserved.
# Copyright (c) 2018, Hisilicon Limited. All rights reserved.
-# Copyright (c) 2018, Linaro Limited. All rights reserved.
+# Copyright (c) 2018-2024, Linaro Ltd. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -29,8 +29,7 @@ [Packages]
[LibraryClasses]
BaseMemoryLib
- FdtLib
- FdtHelperLib
+ HardwareInfoLib
IoLib
PcdLib
@@ -40,7 +39,6 @@ [Guids]
[Pcd]
gArmTokenSpaceGuid.PcdEmbeddedControllerFirmwareRelease
gArmTokenSpaceGuid.PcdSystemBiosRelease
- gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdDeviceTreeBaseAddress
gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdSystemManufacturer
gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdSystemSerialNumber
diff --git a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.inf
b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.inf
index 291743b19115..727c8e82d16e 100644
--- a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.inf
+++ b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.inf
@@ -1,7 +1,7 @@
## @file
# This driver modifies ACPI tables for the Qemu SBSA platform
#
-# Copyright (c) 2020, Linaro Ltd. All rights reserved.
+# Copyright (c) 2020-2024, Linaro Ltd. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -35,7 +35,7 @@ [LibraryClasses]
BaseLib
DebugLib
DxeServicesLib
- FdtHelperLib
+ HardwareInfoLib
PcdLib
PrintLib
UefiDriverEntryPoint
@@ -44,7 +44,6 @@ [LibraryClasses]
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiTableStorageFile
- gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdCoreCount
gArmVirtSbsaQemuPlatformTokenSpaceGuid.PcdClusterCount
gArmTokenSpaceGuid.PcdGicDistributorBase
diff --git a/Silicon/Qemu/SbsaQemu/Library/SbsaQemuLib/SbsaQemuLib.inf
b/Silicon/Qemu/SbsaQemu/Library/SbsaQemuLib/SbsaQemuLib.inf
index c067a80cc715..07e6bc4e9b11 100644
--- a/Silicon/Qemu/SbsaQemu/Library/SbsaQemuLib/SbsaQemuLib.inf
+++ b/Silicon/Qemu/SbsaQemu/Library/SbsaQemuLib/SbsaQemuLib.inf
@@ -1,6 +1,6 @@
#/* @file
#
-# Copyright (c) 2019, Linaro Limited. All rights reserved.
+# Copyright (c) 2019-2024, Linaro Limited. All rights reserved.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
@@ -32,9 +32,9 @@ [LibraryClasses]
ArmLib
BaseMemoryLib
DebugLib
- FdtLib
MemoryAllocationLib
PcdLib
+ SbsaQemuHardwareInfoLib
[Pcd]
gArmTokenSpaceGuid.PcdSystemMemoryBase
diff --git a/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.c
b/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.c
index c38f2851904f..854f6f4072d5 100644
--- a/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.c
+++ b/Platform/Qemu/SbsaQemu/OemMiscLib/OemMiscLib.c
@@ -2,7 +2,7 @@
* OemMiscLib.c
*
* Copyright (c) 2021, NUVIA Inc. All rights reserved.
-* Copyright (c) 2020, Linaro Ltd. All rights reserved.
+* Copyright (c) 2020-2024, Linaro Ltd. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
@@ -12,14 +12,13 @@
#include <Guid/ZeroGuid.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
-#include <Library/FdtHelperLib.h>
#include <Library/HiiLib.h>
#include <Library/IoLib.h>
#include <Library/OemMiscLib.h>
#include <Library/PcdLib.h>
+#include <Library/HardwareInfoLib.h>
#include <Library/SerialPortLib.h>
#include <Library/TimerLib.h>
-#include <libfdt.h>
/** Returns whether the specified processor is present or not.
@@ -33,7 +32,7 @@ OemIsProcessorPresent (
UINTN ProcessorIndex
)
{
- if (ProcessorIndex < FdtHelperCountCpus ()) {
+ if (ProcessorIndex < GetCpuCount ()) {
return TRUE;
}
@@ -76,7 +75,7 @@ OemGetProcessorInformation (
{
UINT16 ProcessorCount;
- ProcessorCount = FdtHelperCountCpus ();
+ ProcessorCount = GetCpuCount ();
if (ProcessorIndex < ProcessorCount) {
ProcessorStatus->Bits.CpuStatus = 1; // CPU enabled
@@ -121,7 +120,7 @@ OemGetMaxProcessors (
VOID
)
{
- return FdtHelperCountCpus ();
+ return GetCpuCount ();
}
/** Gets information about the cache at the specified cache level.
diff --git a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.c
b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.c
index 9fb17151d7b8..4ebe2a445344 100644
--- a/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.c
+++ b/Silicon/Qemu/SbsaQemu/Drivers/SbsaQemuAcpiDxe/SbsaQemuAcpiDxe.c
@@ -1,7 +1,7 @@
/** @file
* This file is an ACPI driver for the Qemu SBSA platform.
*
-* Copyright (c) 2020, Linaro Ltd. All rights reserved.
+* Copyright (c) 2020-2024, Linaro Ltd. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
@@ -15,10 +15,10 @@
#include <Library/ArmLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
-#include <Library/FdtHelperLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#include <Library/PrintLib.h>
+#include <Library/HardwareInfoLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
@@ -255,8 +255,7 @@ AddMadtTable (
// Initialize GIC Redistributor Structure
EFI_ACPI_6_0_GICR_STRUCTURE Gicr = SBSAQEMU_MADT_GICR_INIT();
- // Get CoreCount which was determined eariler after parsing device tree
- NumCores = PcdGet32 (PcdCoreCount);
+ NumCores = GetCpuCount ();
// Calculate the new table size based on the number of cores
TableSize = sizeof (EFI_ACPI_6_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER) +
@@ -291,13 +290,13 @@ AddMadtTable (
New += sizeof (EFI_ACPI_6_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER);
// Add new GICC structures for the Cores
- for (CoreIndex = 0; CoreIndex < PcdGet32 (PcdCoreCount); CoreIndex++) {
+ for (CoreIndex = 0; CoreIndex < NumCores; CoreIndex++) {
EFI_ACPI_6_0_GIC_STRUCTURE *GiccPtr;
CopyMem (New, &Gicc, sizeof (EFI_ACPI_6_0_GIC_STRUCTURE));
GiccPtr = (EFI_ACPI_6_0_GIC_STRUCTURE *) New;
GiccPtr->AcpiProcessorUid = CoreIndex;
- GiccPtr->MPIDR = FdtHelperGetMpidr (CoreIndex);
+ GiccPtr->MPIDR = GetMpidr (CoreIndex);
New += sizeof (EFI_ACPI_6_0_GIC_STRUCTURE);
}
@@ -396,7 +395,7 @@ AddSsdtTable (
UINT32 CpuId;
UINT32 Offset;
UINT8 ScopeOpName[] = SBSAQEMU_ACPI_SCOPE_NAME;
- UINT32 NumCores = PcdGet32 (PcdCoreCount);
+ UINT32 NumCores = GetCpuCount ();
EFI_ACPI_DESCRIPTION_HEADER Header =
SBSAQEMU_ACPI_HEADER (
@@ -497,7 +496,7 @@ AddPpttTable (
EFI_PHYSICAL_ADDRESS PageAddress;
UINT8 *New;
UINT32 CpuId;
- UINT32 NumCores = PcdGet32 (PcdCoreCount);
+ UINT32 NumCores = GetCpuCount ();
EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE L1DCache =
SBSAQEMU_ACPI_PPTT_L1_D_CACHE_STRUCT;
EFI_ACPI_6_3_PPTT_STRUCTURE_CACHE L1ICache =
SBSAQEMU_ACPI_PPTT_L1_I_CACHE_STRUCT;
@@ -758,12 +757,6 @@ InitializeSbsaQemuAcpiDxe (
{
EFI_STATUS Status;
EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
- UINT32 NumCores;
-
- // Parse the device tree and get the number of CPUs
- NumCores = FdtHelperCountCpus ();
- Status = PcdSet32S (PcdCoreCount, NumCores);
- ASSERT_RETURN_ERROR (Status);
// Check if ACPI Table Protocol has been installed
Status = gBS->LocateProtocol (
--
2.44.0
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