Re: [edk2-devel] [PATCH 1/1] OutOfBandManagement/SpcrFeaturePkg: PCD based IRQ/GSI

["Chang, Abner via groups.io" <abner.chang=amd.com@groups.io>]

[AMD Official Use Only - General]

Acked-by: Abner Chang <abner.chang@amd.com>

> -----Original Message-----
> From: Abdul Lateef Attar <abdattar@amd.com>
> Sent: Thursday, August 3, 2023 2:35 PM
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Sai
> Chaganty <rangasai.v.chaganty@intel.com>; Isaac Oram
> <isaac.w.oram@intel.com>; Nate DeSimone
> <nathaniel.l.desimone@intel.com>; Liming Gao <gaoliming@byosoft.com.cn>;
> Chang, Abner <Abner.Chang@amd.com>
> Subject: [PATCH 1/1] OutOfBandManagement/SpcrFeaturePkg: PCD based
> IRQ/GSI
>
> From: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
>
> Create a new PCD to hold the IRQ or GSI number for SPCR,
> with default values of 4.
> Update the ACPI SPCR table's IRQ value based on PCD.
>
> Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
> Cc: Isaac Oram <isaac.w.oram@intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Abner Chang <abner.chang@amd.com>
> Signed-off-by: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
>
> Change-Id: I7218903fa5572f8139ad45db598ab085f079713b
> ---
>  .../OutOfBandManagement/SpcrFeaturePkg/SpcrFeaturePkg.dec  | 5 +++++
>  .../SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpiDxe.inf             | 4 ++++
>  .../SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpi.h                  | 3 +++
>  .../SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpi.c                  | 7 ++++---
>  4 files changed, 16 insertions(+), 3 deletions(-)
>
> diff --git
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrFeaturePkg.d
> ec
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrFeaturePkg.d
> ec
> index b084fad89220..d69d650f3f20 100644
> ---
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrFeaturePkg.d
> ec
> +++
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrFeaturePkg.d
> ec
> @@ -7,6 +7,7 @@
>  # for the build infrastructure.
>  #
>  # Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
> +# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved
>  #
>  # SPDX-License-Identifier: BSD-2-Clause-Patent
>  #
> @@ -24,6 +25,10 @@ [Includes]
>  [Guids]
>    gSpcrFeaturePkgTokenSpaceGuid = { 0xe978c988, 0xeeba, 0x4671, { 0xb8,
> 0x0d, 0xcc, 0x8b, 0x89, 0xb5, 0xd1, 0xef }}
>
> +[PcdsFixedAtBuild]
> +  # SPCR default IRQ set to 4
> +  gSpcrFeaturePkgTokenSpaceGuid.PcdSpcrInterrupt|4|UINT8|0x00000010
> +
>  [PcdsFeatureFlag]
>
> gSpcrFeaturePkgTokenSpaceGuid.PcdSpcrFeatureEnable|FALSE|BOOLEAN|0x
> 00000001
>
> diff --git
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> AcpiDxe.inf
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> AcpiDxe.inf
> index 9a4f95e86bbf..cd43afea5242 100644
> ---
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> AcpiDxe.inf
> +++
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> AcpiDxe.inf
> @@ -24,6 +24,7 @@ [LibraryClasses]
>    UefiDriverEntryPoint
>    UefiLib
>    SpcrDeviceLib
> +  PcdLib
>
>  [Packages]
>    MdePkg/MdePkg.dec
> @@ -51,5 +52,8 @@ [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride
>    gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio
>
> +[FixedPcd]
> +  gSpcrFeaturePkgTokenSpaceGuid.PcdSpcrInterrupt
> +
>  [Depex]
>    TRUE
> diff --git
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.h
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.h
> index c11da439fcb8..245a847762c5 100644
> ---
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.h
> +++
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.h
> @@ -3,6 +3,8 @@
>    SPCR is abbreviation of Serial Port Console Redirection Table (SPCR).
>
>    Copyright (c) 2004 - 2020, Intel Corporation. All rights reserved.<BR>
> +  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
> +
>    SPDX-License-Identifier: BSD-2-Clause-Patent
>
>  **/
> @@ -23,6 +25,7 @@
>  #include <Library/BaseMemoryLib.h>
>  #include <Library/MemoryAllocationLib.h>
>  #include <Library/SpcrDeviceLib.h>
> +#include <Library/PcdLib.h>
>
>  #include <Protocol/AcpiTable.h>
>  #include <Protocol/SerialIo.h>
> diff --git
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.c
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.c
> index 51449d0fad9e..e92db96caaa9 100644
> ---
> a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.c
> +++
> b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
> Acpi.c
> @@ -3,7 +3,7 @@
>    SPCR is abbreviation of Serial Port Console Redirection Table (SPCR).
>
>    Copyright (c) 2004 - 2020, Intel Corporation. All rights reserved.<BR>
> -  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
> +  Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
>    SPDX-License-Identifier: BSD-2-Clause-Patent
>
>  **/
> @@ -83,8 +83,8 @@
> EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE gSpcrInfo = {
>    },
>
>    0x03,               //INTERRUPT_TYPE,
> -  0x04,               //IRQ,
> -  0x04,               //GLOBAL_SYSTEM_INTERRUPT,
> +  FixedPcdGet8 (PcdSpcrInterrupt), // IRQ,
> +  FixedPcdGet8 (PcdSpcrInterrupt), // GLOBAL_SYSTEM_INTERRUPT,
>    0x07,               //BAUD_RATE,
>    0x00,               //PARITY,
>    0x01,               //STOP_BITS,
> @@ -441,6 +441,7 @@ OutOfBandACPITableConstruction (
>      gSpcrInfo.FlowControl = UART_FLOW_CONTROL_HARDWARE;
>    }
>
> +
>    if (HasIsaSerialNode(SavedDevicePath)) {
>      GetIsaTypeInfo (SavedDevicePath);
>    } else {
> --
> 2.25.1



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