[Public]
Hi Maintainers,
Please review the patch.
Thanks
AbduL
-----Original Message-----
From: Abdul Lateef Attar <abdat...@amd.com>
Sent: 10 April 2023 15:56
To: devel@edk2.groups.io
Cc: Attar, AbdulLateef (Abdul Lateef) <abdullateef.at...@amd.com>; Chang, Abner
<abner.ch...@amd.com>; Sai Chaganty <rangasai.v.chaga...@intel.com>; Isaac Oram
<isaac.w.o...@intel.com>; Nate DeSimone <nathaniel.l.desim...@intel.com>;
Liming Gao <gaolim...@byosoft.com.cn>
Subject: [PATCH v1 1/1] SpcrFeaturePkg: Updated SPCR table based on PCD values
From: Abdul Lateef Attar <abdullateef.at...@amd.com>
Update the SPCR table based on PCD values, such as base address, register bit
width, access size and address space id etc, along with OEM data.
Cc: Abner Chang <abner.ch...@amd.com>
Cc: Sai Chaganty <rangasai.v.chaga...@intel.com>
Cc: Isaac Oram <isaac.w.o...@intel.com>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Signed-off-by: Abdul Lateef Attar <abdullateef.at...@amd.com>
---
.../SpcrAcpiDxe/SpcrAcpiDxe.inf | 13 ++++++++++
.../SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpi.c | 26 +++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git
a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpiDxe.inf
b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpiDxe.inf
index 3fc84959a015..9a4f95e86bbf 100644
---
a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpiDxe.inf
+++ b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
+++ AcpiDxe.inf
@@ -2,6 +2,7 @@
# SPCR is abbreviation of Serial Port Console Redirection Table (SPCR).
#
# Copyright (c) 2008 - 2020, Intel Corporation. All rights reserved.<BR>
+# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights
+reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent # ## @@ -26,6 +27,7 @@
[LibraryClasses]
[Packages]
MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
SpcrFeaturePkg/SpcrFeaturePkg.dec
[Sources]
@@ -38,5 +40,16 @@ [Protocols]
gEfiSerialIoProtocolGuid ## SOMETIMES_CONSUMES
gEfiPciIoProtocolGuid ## SOMETIMES_CONSUMES
+[Pcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId
+ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision
+ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemId
+ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemRevision
+ gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemTableId
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterAccessWidth
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio
+
[Depex]
TRUE
diff --git
a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpi.c
b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpi.c
index 7ad0c058c844..51449d0fad9e 100644
--- a/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/SpcrAcpi.c
+++ b/Features/Intel/OutOfBandManagement/SpcrFeaturePkg/SpcrAcpiDxe/Spcr
+++ Acpi.c
@@ -3,6 +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>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -368,6 +369,7 @@ OutOfBandACPITableConstruction (
UINT32 FlowControl;
VENDOR_DEVICE_PATH *Vendor;
UINT8 Index;
+ UINT64 AcpiTableOemId;
Handle = NULL;
@@ -456,6 +458,30 @@ OutOfBandACPITableConstruction (
goto out;
}
+ // Base register details
+ gSpcrInfo.BaseAddress.Address = PcdGet64 (PcdSerialRegisterBase);
+ gSpcrInfo.BaseAddress.RegisterBitWidth = PcdGet8
+ (PcdSerialRegisterAccessWidth); gSpcrInfo.BaseAddress.AccessSize =
+ (UINT8)PcdGet32 (PcdSerialRegisterStride); if (PcdGetBool
(PcdSerialUseMmio)) {
+ gSpcrInfo.BaseAddress.AddressSpaceId = EFI_ACPI_3_0_SYSTEM_MEMORY;
+ }
+
+ // OEM info
+ CopyMem (
+ (VOID *) &gSpcrInfo.Header.OemId,
+ PcdGetPtr (PcdAcpiDefaultOemId),
+ sizeof (gSpcrInfo.Header.OemId)
+ );
+ AcpiTableOemId = PcdGet64 (PcdAcpiDefaultOemTableId); CopyMem (
+ (VOID *) &gSpcrInfo.Header.OemTableId,
+ (VOID *) &AcpiTableOemId,
+ sizeof (gSpcrInfo.Header.OemTableId)
+ );
+ gSpcrInfo.Header.OemRevision = PcdGet32 (PcdAcpiDefaultOemRevision);
+ gSpcrInfo.Header.CreatorId = PcdGet32 (PcdAcpiDefaultCreatorId);
+ gSpcrInfo.Header.CreatorRevision = PcdGet32
+ (PcdAcpiDefaultCreatorRevision);
+
//
// Add table
//
--
2.25.1
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