[PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg

[PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg

[Abdul Lateef Attar]

V4 changes:
  Rename MinBoardPkg to AmdMinBoardPkg.
  removed empty Guid section.
V3 changes:
  Dropped the PlatformPkg package.
  Rename BoardPkg to MinBoardPkg
  Addressed review comments from Leif and Abner.

Adds AMD/AmdMinBoardPkg to support MinPlatformPkg framework.

PR: https://github.com/tianocore/edk2-platforms/pull/75

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Abdul Lateef Attar <abdattar@amd.com>

Abdul Lateef Attar (3):
  Platform/AMD: Adds AmdMinBoardPkg to support MinPlatformPkg
  Platform/AMD/MinBoardPkg: Adds SetCacheMtrrLib library
  Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

 .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec     |  19 +++
 .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     |  30 ++++
 .../SetCacheMtrrLib/SetCacheMtrrLib.inf       |  35 +++++
 .../Library/SetCacheMtrrLib/SetCacheMtrrLib.c | 133 ++++++++++++++++++
 Maintainers.txt                               |   5 +
 5 files changed, 222 insertions(+)
 create mode 100644 Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
 create mode 100644 Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
 create mode 100644 Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
 create mode 100644 Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.c

-- 
2.25.1

[PATCH v4 1/3] Platform/AMD: Adds AmdMinBoardPkg to support MinPlatformPkg

[Abdul Lateef Attar]

Adds initial DEC and DSC file for AmdMinBoardPkg.
This package provides supporting modules for AMD boards to
leverage MinPlatformPkg framework.

Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
---
 .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec     | 19 +++++++++++++++++
 .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     | 21 +++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
 create mode 100644 Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc

diff --git a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
new file mode 100644
index 000000000000..e37b02c4cf5a
--- /dev/null
+++ b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
@@ -0,0 +1,19 @@
+## @file AmdMinBoardPkg.dec
+#  Declaration file for AMD's AmdMinBoardPkg.
+#
+#  This package supports AMD processor family based board as per the MinPlatform
+#  Arch specification.
+#
+#  Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#  @par Specification Reference:
+#   -https://tianocore-docs.github.io/edk2-MinimumPlatformSpecification/draft/ 0.7
+##
+
+[Defines]
+  DEC_SPECIFICATION              = 1.27
+  PACKAGE_NAME                   = AmdMinBoardPkg
+  PACKAGE_GUID                   = 44F9D761-9ECB-43DD-A5AC-177E5048701B
+  PACKAGE_VERSION                = 0.1
+
diff --git a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
new file mode 100644
index 000000000000..74992a9a6b8c
--- /dev/null
+++ b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
@@ -0,0 +1,21 @@
+## @file
+#  AmdMinBoardPkg.dsc
+#
+#  Description file for AMD AmdMinBoardPkg
+#
+#  Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved.
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+  DSC_SPECIFICATION           = 1.30
+  PLATFORM_GUID               = 88F8A9AE-2FA0-4D58-A6F9-05F635C05F4E
+  PLATFORM_NAME               = AmdMinBoardPkg
+  PLATFORM_VERSION            = 0.1
+  OUTPUT_DIRECTORY            = Build/$(PLATFORM_NAME)
+  BUILD_TARGETS               = DEBUG | RELEASE | NOOPT
+  SUPPORTED_ARCHITECTURES     = IA32 | X64
+
+[Packages]
+  AmdMinBoardPkg/AmdMinBoardPkg.dec
+
-- 
2.25.1

Re: [PATCH v4 1/3] Platform/AMD: Adds AmdMinBoardPkg to support MinPlatformPkg

[Chang, Abner]

[AMD Official Use Only - General]

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

> -----Original Message-----
> From: Abdul Lateef Attar <abdattar@amd.com>
> Sent: Monday, April 3, 2023 7:23 PM
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard
> Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm
> <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>;
> Michael D Kinney <michael.d.kinney@intel.com>
> Subject: [PATCH v4 1/3] Platform/AMD: Adds AmdMinBoardPkg to support
> MinPlatformPkg
> 
> Adds initial DEC and DSC file for AmdMinBoardPkg.
> This package provides supporting modules for AMD boards to leverage
> MinPlatformPkg framework.
> 
> Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec     | 19
> +++++++++++++++++
>  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     | 21
> +++++++++++++++++++
>  2 files changed, 40 insertions(+)
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> 
> diff --git a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
> b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
> new file mode 100644
> index 000000000000..e37b02c4cf5a
> --- /dev/null
> +++ b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
> @@ -0,0 +1,19 @@
> +## @file AmdMinBoardPkg.dec
> +#  Declaration file for AMD's AmdMinBoardPkg.
> +#
> +#  This package supports AMD processor family based board as per the
> +MinPlatform #  Arch specification.
> +#
> +#  Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved.
> +#  SPDX-License-Identifier: BSD-2-Clause-Patent # #  @par Specification
> +Reference:
> +#   -https://tianocore-docs.github.io/edk2-
> MinimumPlatformSpecification/draft/ 0.7
> +##
> +
> +[Defines]
> +  DEC_SPECIFICATION              = 1.27
> +  PACKAGE_NAME                   = AmdMinBoardPkg
> +  PACKAGE_GUID                   = 44F9D761-9ECB-43DD-A5AC-177E5048701B
> +  PACKAGE_VERSION                = 0.1
> +
> diff --git a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> new file mode 100644
> index 000000000000..74992a9a6b8c
> --- /dev/null
> +++ b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> @@ -0,0 +1,21 @@
> +## @file
> +#  AmdMinBoardPkg.dsc
> +#
> +#  Description file for AMD AmdMinBoardPkg # #  Copyright (c) 2023,
> +Advanced Micro Devices, Inc. All rights reserved.
> +#  SPDX-License-Identifier: BSD-2-Clause-Patent ##
> +
> +[Defines]
> +  DSC_SPECIFICATION           = 1.30
> +  PLATFORM_GUID               = 88F8A9AE-2FA0-4D58-A6F9-05F635C05F4E
> +  PLATFORM_NAME               = AmdMinBoardPkg
> +  PLATFORM_VERSION            = 0.1
> +  OUTPUT_DIRECTORY            = Build/$(PLATFORM_NAME)
> +  BUILD_TARGETS               = DEBUG | RELEASE | NOOPT
> +  SUPPORTED_ARCHITECTURES     = IA32 | X64
> +
> +[Packages]
> +  AmdMinBoardPkg/AmdMinBoardPkg.dec
> +
> --
> 2.25.1

[PATCH v4 2/3] Platform/AMD/MinBoardPkg: Adds SetCacheMtrrLib library

[Abdul Lateef Attar]

Adds SetCacheMtrrLib library for AmdMinBoardPkg,
which sets MTRR values for PEI phase and also
modifies the MTRR value at the end of PEI phase.

Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
---
 .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     |   9 ++
 .../SetCacheMtrrLib/SetCacheMtrrLib.inf       |  35 +++++
 .../Library/SetCacheMtrrLib/SetCacheMtrrLib.c | 133 ++++++++++++++++++
 3 files changed, 177 insertions(+)
 create mode 100644 Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
 create mode 100644 Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.c

diff --git a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
index 74992a9a6b8c..2f17db5df5fb 100644
--- a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
+++ b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
@@ -18,4 +18,13 @@ [Defines]
 
 [Packages]
   AmdMinBoardPkg/AmdMinBoardPkg.dec
+  MdePkg/MdePkg.dec
+  MinPlatformPkg/MinPlatformPkg.dec
+  UefiCpuPkg/UefiCpuPkg.dec
+
+[LibraryClasses.common.PEIM]
+  SetCacheMtrrLib|AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
+
+[Components.IA32]
+  AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
 
diff --git a/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
new file mode 100644
index 000000000000..b4c4b3e7de14
--- /dev/null
+++ b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
@@ -0,0 +1,35 @@
+## @file
+# Component information file for Platform SetCacheMtrr Library.
+# This library implementation is for AMD processor based platforms.
+#
+# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 1.29
+  BASE_NAME                      = PeiSetCacheMtrrLib
+  FILE_GUID                      = 1E8468E0-5EB4-4088-9B52-BFDC6E4DAE87
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = SetCacheMtrrLib
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+  MtrrLib
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MinPlatformPkg/MinPlatformPkg.dec
+  UefiCpuPkg/UefiCpuPkg.dec
+
+[Sources]
+  SetCacheMtrrLib.c
+
+[Pcd]
+  gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaBaseAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaSize
+
diff --git a/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.c b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.c
new file mode 100644
index 000000000000..33b774fedbd3
--- /dev/null
+++ b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.c
@@ -0,0 +1,133 @@
+/** @file
+
+SetCacheMtrr library functions.
+This library implementation is for AMD processor based platforms.
+
+Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <PiPei.h>
+#include <Library/DebugLib.h>
+#include <Library/MtrrLib.h>
+
+/**
+  This function sets the cache MTRR values for PEI phase.
+**/
+VOID
+EFIAPI
+SetCacheMtrr (
+  VOID
+  )
+{
+  EFI_STATUS  Status;
+
+  Status = MtrrSetMemoryAttribute (
+             0,
+             0xA0000,
+             CacheWriteBack
+             );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Error(%r) in setting CacheWriteBack for 0-0x9FFFF\n",
+      Status
+      ));
+  }
+
+  Status = MtrrSetMemoryAttribute (
+             0xA0000,
+             0x20000,
+             CacheUncacheable
+             );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Error(%r) in setting CacheUncacheable for 0xA0000-0xBFFFF\n",
+      Status
+      ));
+  }
+
+  Status = MtrrSetMemoryAttribute (
+             0xC0000,
+             0x40000,
+             CacheWriteProtected
+             );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Error(%r) in setting CacheWriteProtected for 0xC0000-0xFFFFF\n",
+      Status
+      ));
+  }
+
+  Status = MtrrSetMemoryAttribute (
+             0x100000,
+             0xAFF00000,
+             CacheWriteBack
+             );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Error(%r) in setting CacheWriteBack for 0x100000-0xAFFFFFFF\n",
+      Status
+      ));
+  }
+
+  Status = MtrrSetMemoryAttribute (
+             PcdGet32 (PcdFlashAreaBaseAddress),
+             PcdGet32 (PcdFlashAreaSize),
+             CacheWriteProtected
+             );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Error(%r) in setting CacheWriteProtected for 0x%X-0x%X\n",
+      Status,
+      PcdGet32 (PcdFlashAreaBaseAddress),
+      PcdGet32 (PcdFlashAreaBaseAddress) + PcdGet32 (PcdFlashAreaSize)
+      ));
+  }
+
+  MtrrDebugPrintAllMtrrs ();
+  return;
+}
+
+/**
+  Update MTRR setting in EndOfPei phase.
+  This function will set the MTRR value as CacheUncacheable
+  for Flash address.
+
+  @retval  EFI_SUCCESS  The function completes successfully.
+  @retval  Others       Some error occurs.
+**/
+EFI_STATUS
+EFIAPI
+SetCacheMtrrAfterEndOfPei (
+  VOID
+  )
+{
+  EFI_STATUS  Status;
+
+  Status = MtrrSetMemoryAttribute (
+             PcdGet32 (PcdFlashAreaBaseAddress),
+             PcdGet32 (PcdFlashAreaSize),
+             CacheUncacheable
+             );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Error(%r) in setting CacheUncacheable for 0x%X-0x%X\n",
+      Status,
+      PcdGet32 (PcdFlashAreaBaseAddress),
+      PcdGet32 (PcdFlashAreaBaseAddress) + PcdGet32 (PcdFlashAreaSize)
+      ));
+  }
+
+  MtrrDebugPrintAllMtrrs ();
+  return EFI_SUCCESS;
+}
+
-- 
2.25.1

Re: [PATCH v4 2/3] Platform/AMD/MinBoardPkg: Adds SetCacheMtrrLib library

[Chang, Abner]

[AMD Official Use Only - General]

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

> -----Original Message-----
> From: Abdul Lateef Attar <abdattar@amd.com>
> Sent: Monday, April 3, 2023 7:23 PM
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard
> Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm
> <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>;
> Michael D Kinney <michael.d.kinney@intel.com>
> Subject: [PATCH v4 2/3] Platform/AMD/MinBoardPkg: Adds SetCacheMtrrLib
> library
> 
> Adds SetCacheMtrrLib library for AmdMinBoardPkg, which sets MTRR values
> for PEI phase and also modifies the MTRR value at the end of PEI phase.
> 
> Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     |   9 ++
>  .../SetCacheMtrrLib/SetCacheMtrrLib.inf       |  35 +++++
>  .../Library/SetCacheMtrrLib/SetCacheMtrrLib.c | 133 ++++++++++++++++++
>  3 files changed, 177 insertions(+)
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib
> .inf
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib
> .c
> 
> diff --git a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> index 74992a9a6b8c..2f17db5df5fb 100644
> --- a/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> +++ b/Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> @@ -18,4 +18,13 @@ [Defines]
> 
>  [Packages]
>    AmdMinBoardPkg/AmdMinBoardPkg.dec
> +  MdePkg/MdePkg.dec
> +  MinPlatformPkg/MinPlatformPkg.dec
> +  UefiCpuPkg/UefiCpuPkg.dec
> +
> +[LibraryClasses.common.PEIM]
> +
> +SetCacheMtrrLib|AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtr
> rLib.
> +inf
> +
> +[Components.IA32]
> +  AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib.inf
> 
> diff --git
> a/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrr
> Lib.inf
> b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrr
> Lib.inf
> new file mode 100644
> index 000000000000..b4c4b3e7de14
> --- /dev/null
> +++
> b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrr
> Li
> +++ b.inf
> @@ -0,0 +1,35 @@
> +## @file
> +# Component information file for Platform SetCacheMtrr Library.
> +# This library implementation is for AMD processor based platforms.
> +#
> +# Copyright (C) 2023 Advanced Micro Devices, Inc. All rights
> +reserved.<BR> # # SPDX-License-Identifier: BSD-2-Clause-Patent # ##
> +
> +[Defines]
> +  INF_VERSION                    = 1.29
> +  BASE_NAME                      = PeiSetCacheMtrrLib
> +  FILE_GUID                      = 1E8468E0-5EB4-4088-9B52-BFDC6E4DAE87
> +  MODULE_TYPE                    = PEIM
> +  VERSION_STRING                 = 1.0
> +  LIBRARY_CLASS                  = SetCacheMtrrLib
> +
> +[LibraryClasses]
> +  BaseLib
> +  DebugLib
> +  MtrrLib
> +
> +[Packages]
> +  MdePkg/MdePkg.dec
> +  MinPlatformPkg/MinPlatformPkg.dec
> +  UefiCpuPkg/UefiCpuPkg.dec
> +
> +[Sources]
> +  SetCacheMtrrLib.c
> +
> +[Pcd]
> +  gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaBaseAddress
> +  gMinPlatformPkgTokenSpaceGuid.PcdFlashAreaSize
> +
> diff --git
> a/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrr
> Lib.c
> b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrr
> Lib.c
> new file mode 100644
> index 000000000000..33b774fedbd3
> --- /dev/null
> +++
> b/Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrr
> Li
> +++ b.c
> @@ -0,0 +1,133 @@
> +/** @file
> +
> +SetCacheMtrr library functions.
> +This library implementation is for AMD processor based platforms.
> +
> +Copyright (C) 2023 Advanced Micro Devices, Inc. All rights
> +reserved.<BR>
> +
> +SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <Uefi.h>
> +#include <PiPei.h>
> +#include <Library/DebugLib.h>
> +#include <Library/MtrrLib.h>
> +
> +/**
> +  This function sets the cache MTRR values for PEI phase.
> +**/
> +VOID
> +EFIAPI
> +SetCacheMtrr (
> +  VOID
> +  )
> +{
> +  EFI_STATUS  Status;
> +
> +  Status = MtrrSetMemoryAttribute (
> +             0,
> +             0xA0000,
> +             CacheWriteBack
> +             );
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((
> +      DEBUG_ERROR,
> +      "Error(%r) in setting CacheWriteBack for 0-0x9FFFF\n",
> +      Status
> +      ));
> +  }
> +
> +  Status = MtrrSetMemoryAttribute (
> +             0xA0000,
> +             0x20000,
> +             CacheUncacheable
> +             );
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((
> +      DEBUG_ERROR,
> +      "Error(%r) in setting CacheUncacheable for 0xA0000-0xBFFFF\n",
> +      Status
> +      ));
> +  }
> +
> +  Status = MtrrSetMemoryAttribute (
> +             0xC0000,
> +             0x40000,
> +             CacheWriteProtected
> +             );
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((
> +      DEBUG_ERROR,
> +      "Error(%r) in setting CacheWriteProtected for 0xC0000-0xFFFFF\n",
> +      Status
> +      ));
> +  }
> +
> +  Status = MtrrSetMemoryAttribute (
> +             0x100000,
> +             0xAFF00000,
> +             CacheWriteBack
> +             );
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((
> +      DEBUG_ERROR,
> +      "Error(%r) in setting CacheWriteBack for 0x100000-0xAFFFFFFF\n",
> +      Status
> +      ));
> +  }
> +
> +  Status = MtrrSetMemoryAttribute (
> +             PcdGet32 (PcdFlashAreaBaseAddress),
> +             PcdGet32 (PcdFlashAreaSize),
> +             CacheWriteProtected
> +             );
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((
> +      DEBUG_ERROR,
> +      "Error(%r) in setting CacheWriteProtected for 0x%X-0x%X\n",
> +      Status,
> +      PcdGet32 (PcdFlashAreaBaseAddress),
> +      PcdGet32 (PcdFlashAreaBaseAddress) + PcdGet32 (PcdFlashAreaSize)
> +      ));
> +  }
> +
> +  MtrrDebugPrintAllMtrrs ();
> +  return;
> +}
> +
> +/**
> +  Update MTRR setting in EndOfPei phase.
> +  This function will set the MTRR value as CacheUncacheable
> +  for Flash address.
> +
> +  @retval  EFI_SUCCESS  The function completes successfully.
> +  @retval  Others       Some error occurs.
> +**/
> +EFI_STATUS
> +EFIAPI
> +SetCacheMtrrAfterEndOfPei (
> +  VOID
> +  )
> +{
> +  EFI_STATUS  Status;
> +
> +  Status = MtrrSetMemoryAttribute (
> +             PcdGet32 (PcdFlashAreaBaseAddress),
> +             PcdGet32 (PcdFlashAreaSize),
> +             CacheUncacheable
> +             );
> +  if (EFI_ERROR (Status)) {
> +    DEBUG ((
> +      DEBUG_ERROR,
> +      "Error(%r) in setting CacheUncacheable for 0x%X-0x%X\n",
> +      Status,
> +      PcdGet32 (PcdFlashAreaBaseAddress),
> +      PcdGet32 (PcdFlashAreaBaseAddress) + PcdGet32 (PcdFlashAreaSize)
> +      ));
> +  }
> +
> +  MtrrDebugPrintAllMtrrs ();
> +  return EFI_SUCCESS;
> +}
> +
> --
> 2.25.1

[PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

[Abdul Lateef Attar]

From: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>

Adds maintainers for AMD/AmdMinBoardPkg

Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
---
 Maintainers.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Maintainers.txt b/Maintainers.txt
index 1871ffaa26bd..24918d1c6ede 100644
--- a/Maintainers.txt
+++ b/Maintainers.txt
@@ -91,6 +91,11 @@ F: Silicon/AMD/Styx/
 M: Ard Biesheuvel <ardb+tianocore@kernel.org>
 M: Leif Lindholm <quic_llindhol@quicinc.com>
 
+AMD MinBoard package for MinPlatformPkg
+F: Platform/AMD/AmdMinBoardPkg
+M: Abner Chang <abner.chang@amd.com>
+M: Abdul Lateef Attar <abdattar@amd.com>
+
 Ampere Computing
 F: Platform/Ampere
 F: Silicon/Ampere
-- 
2.25.1

Re: [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

[Chang, Abner]

[AMD Official Use Only - General]

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

> -----Original Message-----
> From: Abdul Lateef Attar <abdattar@amd.com>
> Sent: Monday, April 3, 2023 7:23 PM
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Attar,
> AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard Biesheuvel
> <ardb+tianocore@kernel.org>; Leif Lindholm <quic_llindhol@quicinc.com>;
> Chang, Abner <Abner.Chang@amd.com>; Michael D Kinney
> <michael.d.kinney@intel.com>
> Subject: [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg
> maintainers
> 
> From: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
> 
> Adds maintainers for AMD/AmdMinBoardPkg
> 
> Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>  Maintainers.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Maintainers.txt b/Maintainers.txt index
> 1871ffaa26bd..24918d1c6ede 100644
> --- a/Maintainers.txt
> +++ b/Maintainers.txt
> @@ -91,6 +91,11 @@ F: Silicon/AMD/Styx/
>  M: Ard Biesheuvel <ardb+tianocore@kernel.org>
>  M: Leif Lindholm <quic_llindhol@quicinc.com>
> 
> +AMD MinBoard package for MinPlatformPkg
> +F: Platform/AMD/AmdMinBoardPkg
> +M: Abner Chang <abner.chang@amd.com>
> +M: Abdul Lateef Attar <abdattar@amd.com>
> +
>  Ampere Computing
>  F: Platform/Ampere
>  F: Silicon/Ampere
> --
> 2.25.1

Re: [PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg

[Chang, Abner]

[AMD Official Use Only - General]

Is any one has additional comments on the V4 patch set? Otherwise I will push it to edk2-platforms.

Thanks
Abner

> -----Original Message-----
> From: Abdul Lateef Attar <abdattar@amd.com>
> Sent: Monday, April 3, 2023 7:23 PM
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard
> Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm
> <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>;
> Michael D Kinney <michael.d.kinney@intel.com>
> Subject: [PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg
> 
> V4 changes:
>   Rename MinBoardPkg to AmdMinBoardPkg.
>   removed empty Guid section.
> V3 changes:
>   Dropped the PlatformPkg package.
>   Rename BoardPkg to MinBoardPkg
>   Addressed review comments from Leif and Abner.
> 
> Adds AMD/AmdMinBoardPkg to support MinPlatformPkg framework.
> 
> PR: https://github.com/tianocore/edk2-platforms/pull/75
> 
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Abdul Lateef Attar <abdattar@amd.com>
> 
> Abdul Lateef Attar (3):
>   Platform/AMD: Adds AmdMinBoardPkg to support MinPlatformPkg
>   Platform/AMD/MinBoardPkg: Adds SetCacheMtrrLib library
>   Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers
> 
>  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec     |  19 +++
>  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     |  30 ++++
>  .../SetCacheMtrrLib/SetCacheMtrrLib.inf       |  35 +++++
>  .../Library/SetCacheMtrrLib/SetCacheMtrrLib.c | 133 ++++++++++++++++++
>  Maintainers.txt                               |   5 +
>  5 files changed, 222 insertions(+)
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib
> .inf
>  create mode 100644
> Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib
> .c
> 
> --
> 2.25.1

Re: [PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg

[Chang, Abner]

[AMD Official Use Only - General]

Forget to CC Sean.

Hi Sean,
The package naming AmdMinBoardPkg looks good to you?

Thanks
Abner


> -----Original Message-----
> From: Chang, Abner
> Sent: Tuesday, April 11, 2023 7:05 PM
> To: Abdul Lateef Attar <abdattar@amd.com>; devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard
> Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm
> <quic_llindhol@quicinc.com>; Michael D Kinney
> <michael.d.kinney@intel.com>
> Subject: RE: [PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg
> 
> [AMD Official Use Only - General]
> 
> Is any one has additional comments on the V4 patch set? Otherwise I will
> push it to edk2-platforms.
> 
> Thanks
> Abner
> 
> > -----Original Message-----
> > From: Abdul Lateef Attar <abdattar@amd.com>
> > Sent: Monday, April 3, 2023 7:23 PM
> > To: devel@edk2.groups.io
> > Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard
> > Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm
> > <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>;
> > Michael D Kinney <michael.d.kinney@intel.com>
> > Subject: [PATCH v4 0/3] Adds Platform/AMD/AmdMinBoardPkg
> >
> > V4 changes:
> >   Rename MinBoardPkg to AmdMinBoardPkg.
> >   removed empty Guid section.
> > V3 changes:
> >   Dropped the PlatformPkg package.
> >   Rename BoardPkg to MinBoardPkg
> >   Addressed review comments from Leif and Abner.
> >
> > Adds AMD/AmdMinBoardPkg to support MinPlatformPkg framework.
> >
> > PR: https://github.com/tianocore/edk2-platforms/pull/75
> >
> > Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> > Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> > Cc: Abner Chang <abner.chang@amd.com>
> > Cc: Michael D Kinney <michael.d.kinney@intel.com>
> > Cc: Abdul Lateef Attar <abdattar@amd.com>
> >
> > Abdul Lateef Attar (3):
> >   Platform/AMD: Adds AmdMinBoardPkg to support MinPlatformPkg
> >   Platform/AMD/MinBoardPkg: Adds SetCacheMtrrLib library
> >   Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers
> >
> >  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec     |  19 +++
> >  .../AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc     |  30 ++++
> >  .../SetCacheMtrrLib/SetCacheMtrrLib.inf       |  35 +++++
> >  .../Library/SetCacheMtrrLib/SetCacheMtrrLib.c | 133
> ++++++++++++++++++
> >  Maintainers.txt                               |   5 +
> >  5 files changed, 222 insertions(+)
> >  create mode 100644
> > Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dec
> >  create mode 100644
> > Platform/AMD/AmdMinBoardPkg/AmdMinBoardPkg.dsc
> >  create mode 100644
> >
> Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib
> > .inf
> >  create mode 100644
> >
> Platform/AMD/AmdMinBoardPkg/Library/SetCacheMtrrLib/SetCacheMtrrLib
> > .c
> >
> > --
> > 2.25.1

Re: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

[Attar, AbdulLateef (Abdul Lateef)]

[AMD Official Use Only - General]

Hi @Ard Biesheuvel , @Leif Lindholm, @Michael D Kinney,
        I had renamed the folder from MinBoardPkg to AmdMinBoardPkg, could you please review it.
Thanks
AbduL

-----Original Message-----
From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Abdul Lateef Attar via groups.io
Sent: 03 April 2023 16:53
To: devel@edk2.groups.io
Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>; Michael D Kinney <michael.d.kinney@intel.com>
Subject: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.


From: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>

Adds maintainers for AMD/AmdMinBoardPkg

Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
---
 Maintainers.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Maintainers.txt b/Maintainers.txt index 1871ffaa26bd..24918d1c6ede 100644
--- a/Maintainers.txt
+++ b/Maintainers.txt
@@ -91,6 +91,11 @@ F: Silicon/AMD/Styx/
 M: Ard Biesheuvel <ardb+tianocore@kernel.org>
 M: Leif Lindholm <quic_llindhol@quicinc.com>

+AMD MinBoard package for MinPlatformPkg
+F: Platform/AMD/AmdMinBoardPkg
+M: Abner Chang <abner.chang@amd.com>
+M: Abdul Lateef Attar <abdattar@amd.com>
+
 Ampere Computing
 F: Platform/Ampere
 F: Silicon/Ampere
--
2.25.1

Re: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

[Leif Lindholm]

On Mon, Apr 17, 2023 at 05:56:37 +0000, Attar, AbdulLateef (Abdul Lateef) wrote:
> [AMD Official Use Only - General]
> 
> Hi @Ard Biesheuvel , @Leif Lindholm, @Michael D Kinney,
>         I had renamed the folder from MinBoardPkg to AmdMinBoardPkg, could you please review it.

Ah, sorry, didn't notice you'd dropped my R-b.
Since my concern was with the name being specific enough, and this
change made it more specific, I have no issues with it - so the series
can keep:

Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>

/
    Leif

> Thanks
> AbduL
> 
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Abdul Lateef Attar via groups.io
> Sent: 03 April 2023 16:53
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>; Michael D Kinney <michael.d.kinney@intel.com>
> Subject: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers
> 
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
> 
> 
> From: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
> 
> Adds maintainers for AMD/AmdMinBoardPkg
> 
> Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>  Maintainers.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Maintainers.txt b/Maintainers.txt index 1871ffaa26bd..24918d1c6ede 100644
> --- a/Maintainers.txt
> +++ b/Maintainers.txt
> @@ -91,6 +91,11 @@ F: Silicon/AMD/Styx/
>  M: Ard Biesheuvel <ardb+tianocore@kernel.org>
>  M: Leif Lindholm <quic_llindhol@quicinc.com>
> 
> +AMD MinBoard package for MinPlatformPkg
> +F: Platform/AMD/AmdMinBoardPkg
> +M: Abner Chang <abner.chang@amd.com>
> +M: Abdul Lateef Attar <abdattar@amd.com>
> +
>  Ampere Computing
>  F: Platform/Ampere
>  F: Silicon/Ampere
> --
> 2.25.1
> 
> 
> 
> 
> 
> 

Re: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers

[Michael D Kinney]

Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

> -----Original Message-----
> From: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>
> Sent: Sunday, April 16, 2023 10:57 PM
> To: devel@edk2.groups.io; Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Ard Biesheuvel
> <ardb+tianocore@kernel.org>; Leif Lindholm <quic_llindhol@quicinc.com>; Kinney, Michael D <michael.d.kinney@intel.com>
> Cc: Chang, Abner <Abner.Chang@amd.com>
> Subject: RE: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers
> 
> [AMD Official Use Only - General]
> 
> Hi @Ard Biesheuvel , @Leif Lindholm, @Michael D Kinney,
>         I had renamed the folder from MinBoardPkg to AmdMinBoardPkg, could you please review it.
> Thanks
> AbduL
> 
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Abdul Lateef Attar via groups.io
> Sent: 03 April 2023 16:53
> To: devel@edk2.groups.io
> Cc: Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>; Attar, AbdulLateef (Abdul Lateef) <AbdulLateef.Attar@amd.com>;
> Ard Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm <quic_llindhol@quicinc.com>; Chang, Abner <Abner.Chang@amd.com>; Michael
> D Kinney <michael.d.kinney@intel.com>
> Subject: [edk2-devel] [PATCH v4 3/3] Maintainers.txt: Adds AMD/AmdMinBoardPkg maintainers
> 
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or
> responding.
> 
> 
> From: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
> 
> Adds maintainers for AMD/AmdMinBoardPkg
> 
> Signed-off-by: Abdul Lateef Attar <abdattar@amd.com>
> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> ---
>  Maintainers.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Maintainers.txt b/Maintainers.txt index 1871ffaa26bd..24918d1c6ede 100644
> --- a/Maintainers.txt
> +++ b/Maintainers.txt
> @@ -91,6 +91,11 @@ F: Silicon/AMD/Styx/
>  M: Ard Biesheuvel <ardb+tianocore@kernel.org>
>  M: Leif Lindholm <quic_llindhol@quicinc.com>
> 
> +AMD MinBoard package for MinPlatformPkg
> +F: Platform/AMD/AmdMinBoardPkg
> +M: Abner Chang <abner.chang@amd.com>
> +M: Abdul Lateef Attar <abdattar@amd.com>
> +
>  Ampere Computing
>  F: Platform/Ampere
>  F: Silicon/Ampere
> --
> 2.25.1
> 
> 
> 
> 
>