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* [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG
@ 2023-01-06  6:11 sahil
  2023-01-25 20:47 ` [edk2-devel] " Thomas Abraham
  0 siblings, 1 reply; 6+ messages in thread
From: sahil @ 2023-01-06  6:11 UTC (permalink / raw)
  To: devel; +Cc: Ard Biesheuvel, Leif Lindholm, Sami Mujawar, Sahil

NT_FW_CONFIG DTB contains platform information passed by
Tf-A boot stage.
This information is used for Virtual memory map generation
during PEI phase and passed on to DXE phase as a HOB, where
it is used in ConfigurationManagerDxe.

Signed-off-by: sahil <sahil@arm.com>
---
 Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec                                                 |   7 +-
 Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf |   3 +-
 Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf                               |   8 +-
 Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h                                           |  16 +--
 Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c      |  24 +++--
 Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c                                 |  12 ++-
 Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c                              | 103 +++++++++++++++++++-
 Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S                              |   4 +-
 8 files changed, 152 insertions(+), 25 deletions(-)

diff --git a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
index d59f25a5b915..9e257ebde088 100644
--- a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
+++ b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
@@ -1,7 +1,7 @@
 ## @file
 #  Describes the entire platform configuration.
 #
-#  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
+#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -22,6 +22,8 @@ [Includes.common]
   Include                        # Root include for the package
 
 [Guids.common]
+  # ARM NeoverseN1Soc Platform Info descriptor
+  gArmNeoverseN1SocPlatformInfoDescriptorGuid = { 0x095cb024, 0x1e00, 0x4d6f, { 0xaa, 0x34, 0x4a, 0xf8, 0xaf, 0x0e, 0xad, 0x99 } }
   gArmNeoverseN1SocTokenSpaceGuid = { 0xab93eb78, 0x60d7, 0x4099, { 0xac, 0xeb, 0x6d, 0xb5, 0x02, 0x58, 0x7c, 0x24 } }
 
 [PcdsFixedAtBuild]
@@ -83,3 +85,6 @@ [PcdsFixedAtBuild]
   gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio32Translation|0x40000000000|UINT64|0x0000004F
   gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio64Translation|0x40000000000|UINT64|0x00000050
   gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieSegmentNumber|2|UINT32|0x00000051
+
+[Ppis]
+  gNtFwConfigDtInfoPpiGuid =  { 0xb50dee0e, 0x577f, 0x47fb, { 0x83, 0xd0, 0x41, 0x78, 0x61, 0x8b, 0x33, 0x8a } }
diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
index 4f8e7f13021a..a4e8b783ec02 100644
--- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
+++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
@@ -1,7 +1,7 @@
 ## @file
 #  Configuration Manager Dxe
 #
-#  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
+#  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -42,6 +42,7 @@ [Packages]
 
 [LibraryClasses]
   ArmPlatformLib
+  HobLib
   PrintLib
   UefiBootServicesTableLib
   UefiDriverEntryPoint
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
index 96e590cdd810..78f309c3aa48 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
@@ -1,7 +1,7 @@
 ## @file
 #  Platform Library for N1Sdp.
 #
-#  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
+#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -18,10 +18,14 @@ [Defines]
 [Packages]
   ArmPkg/ArmPkg.dec
   ArmPlatformPkg/ArmPlatformPkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
   MdeModulePkg/MdeModulePkg.dec
   MdePkg/MdePkg.dec
   Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
 
+[LibraryClasses]
+  FdtLib
+
 [Sources.common]
   PlatformLibMem.c
   PlatformLib.c
@@ -59,7 +63,9 @@ [FixedPcd]
   gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
 
 [Guids]
+  gArmNeoverseN1SocPlatformInfoDescriptorGuid
   gEfiHobListGuid          ## CONSUMES  ## SystemTable
 
 [Ppis]
   gArmMpCoreInfoPpiGuid
+  gNtFwConfigDtInfoPpiGuid
diff --git a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
index 097160c7e2d1..4966011ef9cf 100644
--- a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
+++ b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
@@ -1,6 +1,6 @@
 /** @file
 *
-* Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.
+* Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-2-Clause-Patent
 *
@@ -41,11 +41,6 @@
 #define NEOVERSEN1SOC_EXP_PERIPH_BASE0               0x1C000000
 #define NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ            0x1300000
 
-// Base address to a structure of type NEOVERSEN1SOC_PLAT_INFO which is
-// pre-populated by a earlier boot stage
-#define NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE          (NEOVERSEN1SOC_NON_SECURE_SRAM_BASE + \
-                                                      0x00008000)
-
 /*
  * Platform information structure stored in Non-secure SRAM. Platform
  * information are passed from the trusted firmware with the below structure
@@ -55,12 +50,17 @@
 typedef struct {
   /*! 0 - Single Chip, 1 - Chip to Chip (C2C) */
   UINT8   MultichipMode;
-  /*! Slave count in C2C mode */
-  UINT8   SlaveCount;
+  /*! Secondary chip count in C2C mode */
+  UINT8   SecondaryChipCount;
   /*! Local DDR memory size in GigaBytes */
   UINT8   LocalDdrSize;
   /*! Remote DDR memory size in GigaBytes */
   UINT8   RemoteDdrSize;
 } NEOVERSEN1SOC_PLAT_INFO;
 
+// NT_FW_CONFIG DT structure
+typedef struct {
+  UINT64                  NtFwConfigDtAddr;
+} NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI;
+
 #endif
diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
index a6b4cb0ef482..c15020f595c3 100644
--- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
+++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
@@ -1,7 +1,7 @@
 /** @file
   Configuration Manager Dxe
 
-  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
+  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -16,6 +16,7 @@
 #include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
 #include <Library/ArmLib.h>
 #include <Library/DebugLib.h>
+#include <Library/HobLib.h>
 #include <Library/IoLib.h>
 #include <Library/PcdLib.h>
 #include <Library/UefiBootServicesTableLib.h>
@@ -28,6 +29,7 @@
 #include "Platform.h"
 
 extern struct EFI_ACPI_HETEROGENEOUS_MEMORY_ATTRIBUTE_TABLE Hmat;
+static NEOVERSEN1SOC_PLAT_INFO *PlatInfo;
 
 /** The platform configuration repository information.
 */
@@ -1242,13 +1244,11 @@ InitializePlatformRepository (
   IN  EDKII_PLATFORM_REPOSITORY_INFO  * CONST PlatRepoInfo
   )
 {
-  NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
   UINT64                        Dram2Size;
   UINT64                        RemoteDdrSize;
 
   RemoteDdrSize = 0;
 
-  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
   Dram2Size = ((PlatInfo->LocalDdrSize - 2) * SIZE_1GB);
 
   PlatRepoInfo->MemAffInfo[LOCAL_DDR_REGION2].Length = Dram2Size;
@@ -1512,7 +1512,6 @@ GetGicCInfo (
   )
 {
   EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
-  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
   UINT32                            TotalObjCount;
   UINT32                            ObjIndex;
 
@@ -1523,7 +1522,6 @@ GetGicCInfo (
   }
 
   PlatformRepo = This->PlatRepoInfo;
-  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
 
   if (PlatInfo->MultichipMode == 1) {
     TotalObjCount = PLAT_CPU_COUNT * 2;
@@ -1623,7 +1621,6 @@ GetStandardNameSpaceObject (
 {
   EFI_STATUS                        Status;
   EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
-  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
   UINT32                            AcpiTableCount;
 
   if ((This == NULL) || (CmObject == NULL)) {
@@ -1634,7 +1631,7 @@ GetStandardNameSpaceObject (
 
   Status = EFI_NOT_FOUND;
   PlatformRepo = This->PlatRepoInfo;
-  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
+
   AcpiTableCount = ARRAY_SIZE (PlatformRepo->CmAcpiTableList);
   if (PlatInfo->MultichipMode == 0)
         AcpiTableCount -= 1;
@@ -1697,7 +1694,6 @@ GetArmNameSpaceObject (
 {
   EFI_STATUS                        Status;
   EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
-  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
   UINT32                            GicRedistCount;
   UINT32                            GicCpuCount;
   UINT32                            ProcHierarchyInfoCount;
@@ -1718,8 +1714,6 @@ GetArmNameSpaceObject (
   Status = EFI_NOT_FOUND;
   PlatformRepo = This->PlatRepoInfo;
 
-  // Probe for multi chip information
-  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
   if (PlatInfo->MultichipMode == 1) {
     GicRedistCount = 2;
     GicCpuCount = PLAT_CPU_COUNT * 2;
@@ -2162,8 +2156,18 @@ ConfigurationManagerDxeInitialize (
   IN EFI_SYSTEM_TABLE  * SystemTable
   )
 {
+  VOID *PlatInfoHob;
   EFI_STATUS  Status;
 
+  PlatInfoHob = GetFirstGuidHob (&gArmNeoverseN1SocPlatformInfoDescriptorGuid);
+
+  if (PlatInfoHob == NULL) {
+    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
+    return EFI_NOT_FOUND;
+  }
+
+  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)GET_GUID_HOB_DATA (PlatInfoHob);
+
   // Initialize the Platform Configuration Repository before installing the
   // Configuration Manager Protocol
   Status = InitializePlatformRepository (
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
index c0effd37f333..2f753be717ab 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
+  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -8,8 +8,12 @@
 
 #include <Library/ArmPlatformLib.h>
 #include <Library/BaseLib.h>
+#include <NeoverseN1Soc.h>
 #include <Ppi/ArmMpCoreInfo.h>
 
+UINT64 NtFwConfigDtBlob;
+STATIC NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI mNtFwConfigDtInfoPpi;
+
 STATIC ARM_CORE_INFO mCoreInfoTable[] = {
   { 0x0, 0x0 }, // Cluster 0, Core 0
   { 0x0, 0x1 }, // Cluster 0, Core 1
@@ -46,6 +50,7 @@ ArmPlatformInitialize (
   IN     UINTN                  MpId
   )
 {
+  mNtFwConfigDtInfoPpi.NtFwConfigDtAddr = NtFwConfigDtBlob;
   return RETURN_SUCCESS;
 }
 
@@ -80,6 +85,11 @@ EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
     EFI_PEI_PPI_DESCRIPTOR_PPI,
     &gArmMpCoreInfoPpiGuid,
     &mMpCoreInfoPpi
+  },
+  {
+    EFI_PEI_PPI_DESCRIPTOR_PPI,
+    &gNtFwConfigDtInfoPpiGuid,
+    &mNtFwConfigDtInfoPpi
   }
 };
 
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
index 339fa07b3217..1d53ec75aa49 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
@@ -1,6 +1,6 @@
 /** @file
 
-  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
+  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -10,11 +10,95 @@
 #include <Library/DebugLib.h>
 #include <Library/HobLib.h>
 #include <Library/MemoryAllocationLib.h>
+#include <Library/PeiServicesLib.h>
+#include <libfdt.h>
 #include <NeoverseN1Soc.h>
 
 // The total number of descriptors, including the final "end-of-table" descriptor.
 #define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 19
 
+/** A helper function to locate the NtFwConfig PPI and get the base address of
+  NT_FW_CONFIG DT from which values are obtained using FDT helper functions.
+
+  @param [out]  plat_info  Pointer to the NeoverseN1Soc PLATFORM_INFO HOB
+
+  @retval EFI_SUCCESS            Success.
+  returns EFI_INVALID_PARAMETER  A parameter is invalid.
+**/
+EFI_STATUS
+GetNeoverseN1SocPlatInfo (
+  OUT NEOVERSEN1SOC_PLAT_INFO *plat_info
+  )
+{
+  CONST UINT32                   *Property;
+  INT32                          Offset;
+  CONST VOID                     *NtFwCfgDtBlob;
+  NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI  *NtFwConfigInfoPpi;
+  EFI_STATUS                     Status;
+
+  Status = PeiServicesLocatePpi (
+             &gNtFwConfigDtInfoPpiGuid,
+             0,
+             NULL,
+             (VOID **)&NtFwConfigInfoPpi
+             );
+
+  if (EFI_ERROR (Status)) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "PeiServicesLocatePpi failed with error %r\n",
+      Status
+      ));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  NtFwCfgDtBlob = (VOID *)(UINTN)NtFwConfigInfoPpi->NtFwConfigDtAddr;
+  if (fdt_check_header (NtFwCfgDtBlob) != 0) {
+    DEBUG ((DEBUG_ERROR, "Invalid DTB file %p passed\n", NtFwCfgDtBlob));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  Offset = fdt_subnode_offset (NtFwCfgDtBlob, 0, "platform-info");
+  if (Offset == -FDT_ERR_NOTFOUND) {
+    DEBUG ((DEBUG_ERROR, "Invalid DTB : platform-info node not found\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "local-ddr-size", NULL);
+  if (Property == NULL) {
+    DEBUG ((DEBUG_ERROR, "local-ddr-size property not found\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  plat_info->LocalDdrSize = fdt32_to_cpu (*Property);
+
+  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "remote-ddr-size", NULL);
+  if (Property == NULL) {
+    DEBUG ((DEBUG_ERROR, "remote-ddr-size property not found\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  plat_info->RemoteDdrSize = fdt32_to_cpu (*Property);
+
+  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "secondary-chip-count", NULL);
+  if (Property == NULL) {
+    DEBUG ((DEBUG_ERROR, "secondary-chip-count property not found\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  plat_info->SecondaryChipCount = fdt32_to_cpu (*Property);
+
+  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "multichip-mode", NULL);
+  if (Property == NULL) {
+    DEBUG ((DEBUG_ERROR, "multichip-mode property not found\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  plat_info->MultichipMode = fdt32_to_cpu (*Property);
+
+  return EFI_SUCCESS;
+}
+
 /**
   Returns the Virtual Memory Map of the platform.
 
@@ -36,9 +120,24 @@ ArmPlatformGetVirtualMemoryMap (
   NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
   UINT64                        DramBlock2Size;
   UINT64                        RemoteDdrSize;
+  EFI_STATUS                    Status;
 
   Index = 0;
-  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
+
+  // Create platform info HOB
+  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)BuildGuidHob (
+                                        &gArmNeoverseN1SocPlatformInfoDescriptorGuid,
+                                        sizeof (NEOVERSEN1SOC_PLAT_INFO)
+                                        );
+
+  if (PlatInfo == NULL) {
+    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
+    ASSERT (FALSE);
+    return;
+  }
+
+  Status = GetNeoverseN1SocPlatInfo (PlatInfo);
+  ASSERT (Status == 0);
   DramBlock2Size = ((UINT64)(PlatInfo->LocalDdrSize -
                              NEOVERSEN1SOC_DRAM_BLOCK1_SIZE / SIZE_1GB) *
                             (UINT64)SIZE_1GB);
diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
index 8d2069dea837..a0b89a7bf929 100644
--- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
+++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
@@ -1,6 +1,6 @@
 /** @file
 *
-*  Copyright (c) 2019 - 2020, ARM Limited. All rights reserved.
+*  Copyright (c) 2019 - 2023, ARM Limited. All rights reserved.
 *
 *  SPDX-License-Identifier: BSD-2-Clause-Patent
 *
@@ -25,6 +25,8 @@ GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
 // the UEFI firmware through the CPU registers.
 //
 ASM_PFX(ArmPlatformPeiBootAction):
+  adr  x10, NtFwConfigDtBlob
+  str  x0, [x10]
   ret
 
 //
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [edk2-devel] [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG
  2023-01-06  6:11 [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG sahil
@ 2023-01-25 20:47 ` Thomas Abraham
  2023-02-08  5:22   ` sahil
  0 siblings, 1 reply; 6+ messages in thread
From: Thomas Abraham @ 2023-01-25 20:47 UTC (permalink / raw)
  To: devel, sahil; +Cc: Ard Biesheuvel, Leif Lindholm, Sami Mujawar

Hi Sahil,

On 06/01/2023 06:11, sahil via groups.io wrote:
> NT_FW_CONFIG DTB contains platform information passed by
> Tf-A boot stage.
> This information is used for Virtual memory map generation
> during PEI phase and passed on to DXE phase as a HOB, where
> it is used in ConfigurationManagerDxe.
> 
> Signed-off-by: sahil <sahil@arm.com>
> ---
>   Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec                                                 |   7 +-
>   Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf |   3 +-
>   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf                               |   8 +-
>   Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h                                           |  16 +--
>   Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c      |  24 +++--
>   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c                                 |  12 ++-
>   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c                              | 103 +++++++++++++++++++-
>   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S                              |   4 +-
>   8 files changed, 152 insertions(+), 25 deletions(-)
> 
> diff --git a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> index d59f25a5b915..9e257ebde088 100644
> --- a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> +++ b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> @@ -1,7 +1,7 @@
>   ## @file
> 
>   #  Describes the entire platform configuration.
> 
>   #
> 
> -#  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
> 
> +#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> 
>   #
> 
>   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   #
> 
> @@ -22,6 +22,8 @@ [Includes.common]
>     Include                        # Root include for the package
> 
>   
> 
>   [Guids.common]
> 
> +  # ARM NeoverseN1Soc Platform Info descriptor
> 
> +  gArmNeoverseN1SocPlatformInfoDescriptorGuid = { 0x095cb024, 0x1e00, 0x4d6f, { 0xaa, 0x34, 0x4a, 0xf8, 0xaf, 0x0e, 0xad, 0x99 } }
> 
>     gArmNeoverseN1SocTokenSpaceGuid = { 0xab93eb78, 0x60d7, 0x4099, { 0xac, 0xeb, 0x6d, 0xb5, 0x02, 0x58, 0x7c, 0x24 } }
> 
>   
> 
>   [PcdsFixedAtBuild]
> 
> @@ -83,3 +85,6 @@ [PcdsFixedAtBuild]
>     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio32Translation|0x40000000000|UINT64|0x0000004F
> 
>     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio64Translation|0x40000000000|UINT64|0x00000050
> 
>     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieSegmentNumber|2|UINT32|0x00000051
> 
> +
> 
> +[Ppis]
> 
> +  gNtFwConfigDtInfoPpiGuid =  { 0xb50dee0e, 0x577f, 0x47fb, { 0x83, 0xd0, 0x41, 0x78, 0x61, 0x8b, 0x33, 0x8a } }
> 
> diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> index 4f8e7f13021a..a4e8b783ec02 100644
> --- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> +++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> @@ -1,7 +1,7 @@
>   ## @file
> 
>   #  Configuration Manager Dxe
> 
>   #
> 
> -#  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
> 
> +#  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
> 
>   #
> 
>   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   #
> 
> @@ -42,6 +42,7 @@ [Packages]
>   
> 
>   [LibraryClasses]
> 
>     ArmPlatformLib
> 
> +  HobLib
> 
>     PrintLib
> 
>     UefiBootServicesTableLib
> 
>     UefiDriverEntryPoint
> 
> diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> index 96e590cdd810..78f309c3aa48 100644
> --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> @@ -1,7 +1,7 @@
>   ## @file
> 
>   #  Platform Library for N1Sdp.
> 
>   #
> 
> -#  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
> 
> +#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> 
>   #
> 
>   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   #
> 
> @@ -18,10 +18,14 @@ [Defines]
>   [Packages]
> 
>     ArmPkg/ArmPkg.dec
> 
>     ArmPlatformPkg/ArmPlatformPkg.dec
> 
> +  EmbeddedPkg/EmbeddedPkg.dec
> 
>     MdeModulePkg/MdeModulePkg.dec
> 
>     MdePkg/MdePkg.dec
> 
>     Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> 
>   
> 
> +[LibraryClasses]
> 
> +  FdtLib
> 
> +
> 
>   [Sources.common]
> 
>     PlatformLibMem.c
> 
>     PlatformLib.c
> 
> @@ -59,7 +63,9 @@ [FixedPcd]
>     gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
> 
>   
> 
>   [Guids]
> 
> +  gArmNeoverseN1SocPlatformInfoDescriptorGuid
> 
>     gEfiHobListGuid          ## CONSUMES  ## SystemTable
> 
>   
> 
>   [Ppis]
> 
>     gArmMpCoreInfoPpiGuid
> 
> +  gNtFwConfigDtInfoPpiGuid
> 
> diff --git a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> index 097160c7e2d1..4966011ef9cf 100644
> --- a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> +++ b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> @@ -1,6 +1,6 @@
>   /** @file
> 
>   *
> 
> -* Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.
> 
> +* Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.
> 
>   *
> 
>   * SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   *
> 
> @@ -41,11 +41,6 @@
>   #define NEOVERSEN1SOC_EXP_PERIPH_BASE0               0x1C000000
> 
>   #define NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ            0x1300000
> 
>   
> 
> -// Base address to a structure of type NEOVERSEN1SOC_PLAT_INFO which is
> 
> -// pre-populated by a earlier boot stage
> 
> -#define NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE          (NEOVERSEN1SOC_NON_SECURE_SRAM_BASE + \
> 
> -                                                      0x00008000)
> 
> -
> 
>   /*
> 
>    * Platform information structure stored in Non-secure SRAM. Platform
> 
>    * information are passed from the trusted firmware with the below structure
> 
> @@ -55,12 +50,17 @@
>   typedef struct {
> 
>     /*! 0 - Single Chip, 1 - Chip to Chip (C2C) */
> 
>     UINT8   MultichipMode;
> 
> -  /*! Slave count in C2C mode */
> 
> -  UINT8   SlaveCount;
> 
> +  /*! Secondary chip count in C2C mode */
> 
> +  UINT8   SecondaryChipCount;
> 
>     /*! Local DDR memory size in GigaBytes */
> 
>     UINT8   LocalDdrSize;
> 
>     /*! Remote DDR memory size in GigaBytes */
> 
>     UINT8   RemoteDdrSize;
> 
>   } NEOVERSEN1SOC_PLAT_INFO;
> 
>   
> 
> +// NT_FW_CONFIG DT structure
> 
> +typedef struct {
> 
> +  UINT64                  NtFwConfigDtAddr;
> 
> +} NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI;
> 
> +
> 
>   #endif
> 
> diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> index a6b4cb0ef482..c15020f595c3 100644
> --- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> +++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> @@ -1,7 +1,7 @@
>   /** @file
> 
>     Configuration Manager Dxe
> 
>   
> 
> -  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
> 
> +  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
> 
>   
> 
>     SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   
> 
> @@ -16,6 +16,7 @@
>   #include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> 
>   #include <Library/ArmLib.h>
> 
>   #include <Library/DebugLib.h>
> 
> +#include <Library/HobLib.h>
> 
>   #include <Library/IoLib.h>
> 
>   #include <Library/PcdLib.h>
> 
>   #include <Library/UefiBootServicesTableLib.h>
> 
> @@ -28,6 +29,7 @@
>   #include "Platform.h"
> 
>   
> 
>   extern struct EFI_ACPI_HETEROGENEOUS_MEMORY_ATTRIBUTE_TABLE Hmat;
> 
> +static NEOVERSEN1SOC_PLAT_INFO *PlatInfo;
> 
>   
> 
>   /** The platform configuration repository information.
> 
>   */
> 
> @@ -1242,13 +1244,11 @@ InitializePlatformRepository (
>     IN  EDKII_PLATFORM_REPOSITORY_INFO  * CONST PlatRepoInfo
> 
>     )
> 
>   {
> 
> -  NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
> 
>     UINT64                        Dram2Size;
> 
>     UINT64                        RemoteDdrSize;
> 
>   
> 
>     RemoteDdrSize = 0;
> 
>   
> 
> -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> 
>     Dram2Size = ((PlatInfo->LocalDdrSize - 2) * SIZE_1GB);
> 
>   
> 
>     PlatRepoInfo->MemAffInfo[LOCAL_DDR_REGION2].Length = Dram2Size;
> 
> @@ -1512,7 +1512,6 @@ GetGicCInfo (
>     )
> 
>   {
> 
>     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> 
> -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> 
>     UINT32                            TotalObjCount;
> 
>     UINT32                            ObjIndex;
> 
>   
> 
> @@ -1523,7 +1522,6 @@ GetGicCInfo (
>     }
> 
>   
> 
>     PlatformRepo = This->PlatRepoInfo;
> 
> -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> 
>   
> 
>     if (PlatInfo->MultichipMode == 1) {
> 
>       TotalObjCount = PLAT_CPU_COUNT * 2;
> 
> @@ -1623,7 +1621,6 @@ GetStandardNameSpaceObject (
>   {
> 
>     EFI_STATUS                        Status;
> 
>     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> 
> -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> 
>     UINT32                            AcpiTableCount;
> 
>   
> 
>     if ((This == NULL) || (CmObject == NULL)) {
> 
> @@ -1634,7 +1631,7 @@ GetStandardNameSpaceObject (
>   
> 
>     Status = EFI_NOT_FOUND;
> 
>     PlatformRepo = This->PlatRepoInfo;
> 
> -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> 
> +
> 
>     AcpiTableCount = ARRAY_SIZE (PlatformRepo->CmAcpiTableList);
> 
>     if (PlatInfo->MultichipMode == 0)
> 
>           AcpiTableCount -= 1;
> 
> @@ -1697,7 +1694,6 @@ GetArmNameSpaceObject (
>   {
> 
>     EFI_STATUS                        Status;
> 
>     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> 
> -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> 
>     UINT32                            GicRedistCount;
> 
>     UINT32                            GicCpuCount;
> 
>     UINT32                            ProcHierarchyInfoCount;
> 
> @@ -1718,8 +1714,6 @@ GetArmNameSpaceObject (
>     Status = EFI_NOT_FOUND;
> 
>     PlatformRepo = This->PlatRepoInfo;
> 
>   
> 
> -  // Probe for multi chip information
> 
> -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> 
>     if (PlatInfo->MultichipMode == 1) {
> 
>       GicRedistCount = 2;
> 
>       GicCpuCount = PLAT_CPU_COUNT * 2;
> 
> @@ -2162,8 +2156,18 @@ ConfigurationManagerDxeInitialize (
>     IN EFI_SYSTEM_TABLE  * SystemTable
> 
>     )
> 
>   {
> 
> +  VOID *PlatInfoHob;
> 
>     EFI_STATUS  Status;
> 
>   
> 
> +  PlatInfoHob = GetFirstGuidHob (&gArmNeoverseN1SocPlatformInfoDescriptorGuid);
> 
> +
> 
> +  if (PlatInfoHob == NULL) {
> 
> +    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
> 
> +    return EFI_NOT_FOUND;
> 
> +  }
> 
> +
> 
> +  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)GET_GUID_HOB_DATA (PlatInfoHob);
> 
> +
> 
>     // Initialize the Platform Configuration Repository before installing the
> 
>     // Configuration Manager Protocol
> 
>     Status = InitializePlatformRepository (
> 
> diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> index c0effd37f333..2f753be717ab 100644
> --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> @@ -1,6 +1,6 @@
>   /** @file
> 
>   
> 
> -  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
> 
> +  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> 
>   
> 
>     SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   
> 
> @@ -8,8 +8,12 @@
>   
> 
>   #include <Library/ArmPlatformLib.h>
> 
>   #include <Library/BaseLib.h>
> 
> +#include <NeoverseN1Soc.h>
> 
>   #include <Ppi/ArmMpCoreInfo.h>
> 
>   
> 
> +UINT64 NtFwConfigDtBlob;
> 
> +STATIC NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI mNtFwConfigDtInfoPpi;
> 
> +
> 
>   STATIC ARM_CORE_INFO mCoreInfoTable[] = {
> 
>     { 0x0, 0x0 }, // Cluster 0, Core 0
> 
>     { 0x0, 0x1 }, // Cluster 0, Core 1
> 
> @@ -46,6 +50,7 @@ ArmPlatformInitialize (
>     IN     UINTN                  MpId
> 
>     )
> 
>   {
> 
> +  mNtFwConfigDtInfoPpi.NtFwConfigDtAddr = NtFwConfigDtBlob;
> 
>     return RETURN_SUCCESS;
> 
>   }
> 
>   
> 
> @@ -80,6 +85,11 @@ EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
>       EFI_PEI_PPI_DESCRIPTOR_PPI,
> 
>       &gArmMpCoreInfoPpiGuid,
> 
>       &mMpCoreInfoPpi
> 
> +  },
> 
> +  {
> 
> +    EFI_PEI_PPI_DESCRIPTOR_PPI,
> 
> +    &gNtFwConfigDtInfoPpiGuid,
> 
> +    &mNtFwConfigDtInfoPpi
> 
>     }
> 
>   };
> 
>   
> 
> diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> index 339fa07b3217..1d53ec75aa49 100644
> --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> @@ -1,6 +1,6 @@
>   /** @file
> 
>   
> 
> -  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
> 
> +  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> 
>   
> 
>     SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   
> 
> @@ -10,11 +10,95 @@
>   #include <Library/DebugLib.h>
> 
>   #include <Library/HobLib.h>
> 
>   #include <Library/MemoryAllocationLib.h>
> 
> +#include <Library/PeiServicesLib.h>
> 
> +#include <libfdt.h>
> 
>   #include <NeoverseN1Soc.h>
> 
>   
> 
>   // The total number of descriptors, including the final "end-of-table" descriptor.
> 
>   #define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 19
> 
>   
> 
> +/** A helper function to locate the NtFwConfig PPI and get the base address of
> 
> +  NT_FW_CONFIG DT from which values are obtained using FDT helper functions.
> 
> +
> 
> +  @param [out]  plat_info  Pointer to the NeoverseN1Soc PLATFORM_INFO HOB
> 
> +
> 
> +  @retval EFI_SUCCESS            Success.
> 
> +  returns EFI_INVALID_PARAMETER  A parameter is invalid.
> 
> +**/
> 
> +EFI_STATUS
> 
> +GetNeoverseN1SocPlatInfo (
> 
> +  OUT NEOVERSEN1SOC_PLAT_INFO *plat_info
> 
> +  )
> 
> +{
> 
> +  CONST UINT32                   *Property;
> 
> +  INT32                          Offset;
> 
> +  CONST VOID                     *NtFwCfgDtBlob;
> 
> +  NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI  *NtFwConfigInfoPpi;
> 
> +  EFI_STATUS                     Status;
> 
> +
> 
> +  Status = PeiServicesLocatePpi (
> 
> +             &gNtFwConfigDtInfoPpiGuid,
> 
> +             0,
> 
> +             NULL,
> 
> +             (VOID **)&NtFwConfigInfoPpi
> 
> +             );
> 
> +
> 
> +  if (EFI_ERROR (Status)) {
> 
> +    DEBUG ((
> 
> +      DEBUG_ERROR,
> 
> +      "PeiServicesLocatePpi failed with error %r\n",
> 
> +      Status
> 
> +      ));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  NtFwCfgDtBlob = (VOID *)(UINTN)NtFwConfigInfoPpi->NtFwConfigDtAddr;
> 
> +  if (fdt_check_header (NtFwCfgDtBlob) != 0) {
> 
> +    DEBUG ((DEBUG_ERROR, "Invalid DTB file %p passed\n", NtFwCfgDtBlob));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  Offset = fdt_subnode_offset (NtFwCfgDtBlob, 0, "platform-info");
> 
> +  if (Offset == -FDT_ERR_NOTFOUND) {
> 
> +    DEBUG ((DEBUG_ERROR, "Invalid DTB : platform-info node not found\n"));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "local-ddr-size", NULL);
> 
> +  if (Property == NULL) {
> 
> +    DEBUG ((DEBUG_ERROR, "local-ddr-size property not found\n"));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  plat_info->LocalDdrSize = fdt32_to_cpu (*Property);
> 
> +
> 
> +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "remote-ddr-size", NULL);
> 
> +  if (Property == NULL) {
> 
> +    DEBUG ((DEBUG_ERROR, "remote-ddr-size property not found\n"));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  plat_info->RemoteDdrSize = fdt32_to_cpu (*Property);
> 
> +
> 
> +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "secondary-chip-count", NULL);
> 
> +  if (Property == NULL) {
> 
> +    DEBUG ((DEBUG_ERROR, "secondary-chip-count property not found\n"));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  plat_info->SecondaryChipCount = fdt32_to_cpu (*Property);
> 
> +
> 
> +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "multichip-mode", NULL);
> 
> +  if (Property == NULL) {
> 
> +    DEBUG ((DEBUG_ERROR, "multichip-mode property not found\n"));
> 
> +    return EFI_INVALID_PARAMETER;
> 
> +  }
> 
> +
> 
> +  plat_info->MultichipMode = fdt32_to_cpu (*Property);
> 
> +
> 
> +  return EFI_SUCCESS;
> 
> +}
> 
> +
> 
>   /**
> 
>     Returns the Virtual Memory Map of the platform.
> 
>   
> 
> @@ -36,9 +120,24 @@ ArmPlatformGetVirtualMemoryMap (
>     NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
> 
>     UINT64                        DramBlock2Size;
> 
>     UINT64                        RemoteDdrSize;
> 
> +  EFI_STATUS                    Status;
> 
>   
> 
>     Index = 0;
> 
> -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> 
> +
> 
> +  // Create platform info HOB
> 
> +  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)BuildGuidHob (
> 
> +                                        &gArmNeoverseN1SocPlatformInfoDescriptorGuid,
> 
> +                                        sizeof (NEOVERSEN1SOC_PLAT_INFO)
> 
> +                                        );
> 
> +
> 
> +  if (PlatInfo == NULL) {
> 
> +    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
> 
> +    ASSERT (FALSE);
> 
> +    return;
> 
> +  }
> 
> +
> 
> +  Status = GetNeoverseN1SocPlatInfo (PlatInfo);
> 
> +  ASSERT (Status == 0);
> 
>     DramBlock2Size = ((UINT64)(PlatInfo->LocalDdrSize -
> 
>                                NEOVERSEN1SOC_DRAM_BLOCK1_SIZE / SIZE_1GB) *
> 
>                               (UINT64)SIZE_1GB);
> 
> diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> index 8d2069dea837..a0b89a7bf929 100644
> --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> @@ -1,6 +1,6 @@
>   /** @file
> 
>   *
> 
> -*  Copyright (c) 2019 - 2020, ARM Limited. All rights reserved.
> 
> +*  Copyright (c) 2019 - 2023, ARM Limited. All rights reserved.
> 
>   *
> 
>   *  SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>   *
> 
> @@ -25,6 +25,8 @@ GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
>   // the UEFI firmware through the CPU registers.
> 
>   //
> 
>   ASM_PFX(ArmPlatformPeiBootAction):
> 
> +  adr  x10, NtFwConfigDtBlob
> 
> +  str  x0, [x10]
> 
>     ret
> 
>   
> 
>   //
> 

Sami's comments for the patch "Platform/ARM/Morello: Add support to 
parse NT_FW_CONFIG" apply for this patch as well. Please consider 
revising this patch based on those comments.

Thanks,
Thomas.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [edk2-devel] [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG
  2023-01-25 20:47 ` [edk2-devel] " Thomas Abraham
@ 2023-02-08  5:22   ` sahil
  2023-02-08  5:29     ` sahil
  0 siblings, 1 reply; 6+ messages in thread
From: sahil @ 2023-02-08  5:22 UTC (permalink / raw)
  To: devel, thomas.abraham, sami.mujawar; +Cc: Ard Biesheuvel, Leif Lindholm

Hi Thomas/Sami,

This issue arose while fixing comments during upstreaming the
following patch - https://edk2.groups.io/g/devel/topic/83261392#76845
and was observed while we were testing the platform with upstream code.

Thanks,
Sahil

On Thu, 26 Jan 2023 at 02:17, Thomas Abraham <thomas.abraham@arm.com> wrote:
>
> Hi Sahil,
>
> On 06/01/2023 06:11, sahil via groups.io wrote:
> > NT_FW_CONFIG DTB contains platform information passed by
> > Tf-A boot stage.
> > This information is used for Virtual memory map generation
> > during PEI phase and passed on to DXE phase as a HOB, where
> > it is used in ConfigurationManagerDxe.
> >
> > Signed-off-by: sahil <sahil@arm.com>
> > ---
> >   Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec                                                 |   7 +-
> >   Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf |   3 +-
> >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf                               |   8 +-
> >   Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h                                           |  16 +--
> >   Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c      |  24 +++--
> >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c                                 |  12 ++-
> >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c                              | 103 +++++++++++++++++++-
> >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S                              |   4 +-
> >   8 files changed, 152 insertions(+), 25 deletions(-)
> >
> > diff --git a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > index d59f25a5b915..9e257ebde088 100644
> > --- a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > +++ b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > @@ -1,7 +1,7 @@
> >   ## @file
> >
> >   #  Describes the entire platform configuration.
> >
> >   #
> >
> > -#  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
> >
> > +#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> >
> >   #
> >
> >   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >   #
> >
> > @@ -22,6 +22,8 @@ [Includes.common]
> >     Include                        # Root include for the package
> >
> >
> >
> >   [Guids.common]
> >
> > +  # ARM NeoverseN1Soc Platform Info descriptor
> >
> > +  gArmNeoverseN1SocPlatformInfoDescriptorGuid = { 0x095cb024, 0x1e00, 0x4d6f, { 0xaa, 0x34, 0x4a, 0xf8, 0xaf, 0x0e, 0xad, 0x99 } }
> >
> >     gArmNeoverseN1SocTokenSpaceGuid = { 0xab93eb78, 0x60d7, 0x4099, { 0xac, 0xeb, 0x6d, 0xb5, 0x02, 0x58, 0x7c, 0x24 } }
> >
> >
> >
> >   [PcdsFixedAtBuild]
> >
> > @@ -83,3 +85,6 @@ [PcdsFixedAtBuild]
> >     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio32Translation|0x40000000000|UINT64|0x0000004F
> >
> >     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio64Translation|0x40000000000|UINT64|0x00000050
> >
> >     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieSegmentNumber|2|UINT32|0x00000051
> >
> > +
> >
> > +[Ppis]
> >
> > +  gNtFwConfigDtInfoPpiGuid =  { 0xb50dee0e, 0x577f, 0x47fb, { 0x83, 0xd0, 0x41, 0x78, 0x61, 0x8b, 0x33, 0x8a } }
> >
> > diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> > index 4f8e7f13021a..a4e8b783ec02 100644
> > --- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> > +++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> > @@ -1,7 +1,7 @@
> >   ## @file
> >
> >   #  Configuration Manager Dxe
> >
> >   #
> >
> > -#  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
> >
> > +#  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
> >
> >   #
> >
> >   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >   #
> >
> > @@ -42,6 +42,7 @@ [Packages]
> >
> >
> >   [LibraryClasses]
> >
> >     ArmPlatformLib
> >
> > +  HobLib
> >
> >     PrintLib
> >
> >     UefiBootServicesTableLib
> >
> >     UefiDriverEntryPoint
> >
> > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> > index 96e590cdd810..78f309c3aa48 100644
> > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> > @@ -1,7 +1,7 @@
> >   ## @file
> >
> >   #  Platform Library for N1Sdp.
> >
> >   #
> >
> > -#  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
> >
> > +#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> >
> >   #
> >
> >   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >   #
> >
> > @@ -18,10 +18,14 @@ [Defines]
> >   [Packages]
> >
> >     ArmPkg/ArmPkg.dec
> >
> >     ArmPlatformPkg/ArmPlatformPkg.dec
> >
> > +  EmbeddedPkg/EmbeddedPkg.dec
> >
> >     MdeModulePkg/MdeModulePkg.dec
> >
> >     MdePkg/MdePkg.dec
> >
> >     Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> >
> >
> >
> > +[LibraryClasses]
> >
> > +  FdtLib
> >
> > +
> >
> >   [Sources.common]
> >
> >     PlatformLibMem.c
> >
> >     PlatformLib.c
> >
> > @@ -59,7 +63,9 @@ [FixedPcd]
> >     gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
> >
> >
> >
> >   [Guids]
> >
> > +  gArmNeoverseN1SocPlatformInfoDescriptorGuid
> >
> >     gEfiHobListGuid          ## CONSUMES  ## SystemTable
> >
> >
> >
> >   [Ppis]
> >
> >     gArmMpCoreInfoPpiGuid
> >
> > +  gNtFwConfigDtInfoPpiGuid
> >
> > diff --git a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> > index 097160c7e2d1..4966011ef9cf 100644
> > --- a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> > +++ b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> > @@ -1,6 +1,6 @@
> >   /** @file
> >
> >   *
> >
> > -* Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.
> >
> > +* Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.
> >
> >   *
> >
> >   * SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >   *
> >
> > @@ -41,11 +41,6 @@
> >   #define NEOVERSEN1SOC_EXP_PERIPH_BASE0               0x1C000000
> >
> >   #define NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ            0x1300000
> >
> >
> >
> > -// Base address to a structure of type NEOVERSEN1SOC_PLAT_INFO which is
> >
> > -// pre-populated by a earlier boot stage
> >
> > -#define NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE          (NEOVERSEN1SOC_NON_SECURE_SRAM_BASE + \
> >
> > -                                                      0x00008000)
> >
> > -
> >
> >   /*
> >
> >    * Platform information structure stored in Non-secure SRAM. Platform
> >
> >    * information are passed from the trusted firmware with the below structure
> >
> > @@ -55,12 +50,17 @@
> >   typedef struct {
> >
> >     /*! 0 - Single Chip, 1 - Chip to Chip (C2C) */
> >
> >     UINT8   MultichipMode;
> >
> > -  /*! Slave count in C2C mode */
> >
> > -  UINT8   SlaveCount;
> >
> > +  /*! Secondary chip count in C2C mode */
> >
> > +  UINT8   SecondaryChipCount;
> >
> >     /*! Local DDR memory size in GigaBytes */
> >
> >     UINT8   LocalDdrSize;
> >
> >     /*! Remote DDR memory size in GigaBytes */
> >
> >     UINT8   RemoteDdrSize;
> >
> >   } NEOVERSEN1SOC_PLAT_INFO;
> >
> >
> >
> > +// NT_FW_CONFIG DT structure
> >
> > +typedef struct {
> >
> > +  UINT64                  NtFwConfigDtAddr;
> >
> > +} NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI;
> >
> > +
> >
> >   #endif
> >
> > diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> > index a6b4cb0ef482..c15020f595c3 100644
> > --- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> > +++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> > @@ -1,7 +1,7 @@
> >   /** @file
> >
> >     Configuration Manager Dxe
> >
> >
> >
> > -  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
> >
> > +  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
> >
> >
> >
> >     SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >
> >
> > @@ -16,6 +16,7 @@
> >   #include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> >
> >   #include <Library/ArmLib.h>
> >
> >   #include <Library/DebugLib.h>
> >
> > +#include <Library/HobLib.h>
> >
> >   #include <Library/IoLib.h>
> >
> >   #include <Library/PcdLib.h>
> >
> >   #include <Library/UefiBootServicesTableLib.h>
> >
> > @@ -28,6 +29,7 @@
> >   #include "Platform.h"
> >
> >
> >
> >   extern struct EFI_ACPI_HETEROGENEOUS_MEMORY_ATTRIBUTE_TABLE Hmat;
> >
> > +static NEOVERSEN1SOC_PLAT_INFO *PlatInfo;
> >
> >
> >
> >   /** The platform configuration repository information.
> >
> >   */
> >
> > @@ -1242,13 +1244,11 @@ InitializePlatformRepository (
> >     IN  EDKII_PLATFORM_REPOSITORY_INFO  * CONST PlatRepoInfo
> >
> >     )
> >
> >   {
> >
> > -  NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
> >
> >     UINT64                        Dram2Size;
> >
> >     UINT64                        RemoteDdrSize;
> >
> >
> >
> >     RemoteDdrSize = 0;
> >
> >
> >
> > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> >
> >     Dram2Size = ((PlatInfo->LocalDdrSize - 2) * SIZE_1GB);
> >
> >
> >
> >     PlatRepoInfo->MemAffInfo[LOCAL_DDR_REGION2].Length = Dram2Size;
> >
> > @@ -1512,7 +1512,6 @@ GetGicCInfo (
> >     )
> >
> >   {
> >
> >     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> >
> > -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> >
> >     UINT32                            TotalObjCount;
> >
> >     UINT32                            ObjIndex;
> >
> >
> >
> > @@ -1523,7 +1522,6 @@ GetGicCInfo (
> >     }
> >
> >
> >
> >     PlatformRepo = This->PlatRepoInfo;
> >
> > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> >
> >
> >
> >     if (PlatInfo->MultichipMode == 1) {
> >
> >       TotalObjCount = PLAT_CPU_COUNT * 2;
> >
> > @@ -1623,7 +1621,6 @@ GetStandardNameSpaceObject (
> >   {
> >
> >     EFI_STATUS                        Status;
> >
> >     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> >
> > -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> >
> >     UINT32                            AcpiTableCount;
> >
> >
> >
> >     if ((This == NULL) || (CmObject == NULL)) {
> >
> > @@ -1634,7 +1631,7 @@ GetStandardNameSpaceObject (
> >
> >
> >     Status = EFI_NOT_FOUND;
> >
> >     PlatformRepo = This->PlatRepoInfo;
> >
> > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> >
> > +
> >
> >     AcpiTableCount = ARRAY_SIZE (PlatformRepo->CmAcpiTableList);
> >
> >     if (PlatInfo->MultichipMode == 0)
> >
> >           AcpiTableCount -= 1;
> >
> > @@ -1697,7 +1694,6 @@ GetArmNameSpaceObject (
> >   {
> >
> >     EFI_STATUS                        Status;
> >
> >     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> >
> > -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> >
> >     UINT32                            GicRedistCount;
> >
> >     UINT32                            GicCpuCount;
> >
> >     UINT32                            ProcHierarchyInfoCount;
> >
> > @@ -1718,8 +1714,6 @@ GetArmNameSpaceObject (
> >     Status = EFI_NOT_FOUND;
> >
> >     PlatformRepo = This->PlatRepoInfo;
> >
> >
> >
> > -  // Probe for multi chip information
> >
> > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> >
> >     if (PlatInfo->MultichipMode == 1) {
> >
> >       GicRedistCount = 2;
> >
> >       GicCpuCount = PLAT_CPU_COUNT * 2;
> >
> > @@ -2162,8 +2156,18 @@ ConfigurationManagerDxeInitialize (
> >     IN EFI_SYSTEM_TABLE  * SystemTable
> >
> >     )
> >
> >   {
> >
> > +  VOID *PlatInfoHob;
> >
> >     EFI_STATUS  Status;
> >
> >
> >
> > +  PlatInfoHob = GetFirstGuidHob (&gArmNeoverseN1SocPlatformInfoDescriptorGuid);
> >
> > +
> >
> > +  if (PlatInfoHob == NULL) {
> >
> > +    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
> >
> > +    return EFI_NOT_FOUND;
> >
> > +  }
> >
> > +
> >
> > +  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)GET_GUID_HOB_DATA (PlatInfoHob);
> >
> > +
> >
> >     // Initialize the Platform Configuration Repository before installing the
> >
> >     // Configuration Manager Protocol
> >
> >     Status = InitializePlatformRepository (
> >
> > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> > index c0effd37f333..2f753be717ab 100644
> > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> > @@ -1,6 +1,6 @@
> >   /** @file
> >
> >
> >
> > -  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
> >
> > +  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> >
> >
> >
> >     SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >
> >
> > @@ -8,8 +8,12 @@
> >
> >
> >   #include <Library/ArmPlatformLib.h>
> >
> >   #include <Library/BaseLib.h>
> >
> > +#include <NeoverseN1Soc.h>
> >
> >   #include <Ppi/ArmMpCoreInfo.h>
> >
> >
> >
> > +UINT64 NtFwConfigDtBlob;
> >
> > +STATIC NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI mNtFwConfigDtInfoPpi;
> >
> > +
> >
> >   STATIC ARM_CORE_INFO mCoreInfoTable[] = {
> >
> >     { 0x0, 0x0 }, // Cluster 0, Core 0
> >
> >     { 0x0, 0x1 }, // Cluster 0, Core 1
> >
> > @@ -46,6 +50,7 @@ ArmPlatformInitialize (
> >     IN     UINTN                  MpId
> >
> >     )
> >
> >   {
> >
> > +  mNtFwConfigDtInfoPpi.NtFwConfigDtAddr = NtFwConfigDtBlob;
> >
> >     return RETURN_SUCCESS;
> >
> >   }
> >
> >
> >
> > @@ -80,6 +85,11 @@ EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
> >       EFI_PEI_PPI_DESCRIPTOR_PPI,
> >
> >       &gArmMpCoreInfoPpiGuid,
> >
> >       &mMpCoreInfoPpi
> >
> > +  },
> >
> > +  {
> >
> > +    EFI_PEI_PPI_DESCRIPTOR_PPI,
> >
> > +    &gNtFwConfigDtInfoPpiGuid,
> >
> > +    &mNtFwConfigDtInfoPpi
> >
> >     }
> >
> >   };
> >
> >
> >
> > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> > index 339fa07b3217..1d53ec75aa49 100644
> > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> > @@ -1,6 +1,6 @@
> >   /** @file
> >
> >
> >
> > -  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
> >
> > +  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> >
> >
> >
> >     SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >
> >
> > @@ -10,11 +10,95 @@
> >   #include <Library/DebugLib.h>
> >
> >   #include <Library/HobLib.h>
> >
> >   #include <Library/MemoryAllocationLib.h>
> >
> > +#include <Library/PeiServicesLib.h>
> >
> > +#include <libfdt.h>
> >
> >   #include <NeoverseN1Soc.h>
> >
> >
> >
> >   // The total number of descriptors, including the final "end-of-table" descriptor.
> >
> >   #define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 19
> >
> >
> >
> > +/** A helper function to locate the NtFwConfig PPI and get the base address of
> >
> > +  NT_FW_CONFIG DT from which values are obtained using FDT helper functions.
> >
> > +
> >
> > +  @param [out]  plat_info  Pointer to the NeoverseN1Soc PLATFORM_INFO HOB
> >
> > +
> >
> > +  @retval EFI_SUCCESS            Success.
> >
> > +  returns EFI_INVALID_PARAMETER  A parameter is invalid.
> >
> > +**/
> >
> > +EFI_STATUS
> >
> > +GetNeoverseN1SocPlatInfo (
> >
> > +  OUT NEOVERSEN1SOC_PLAT_INFO *plat_info
> >
> > +  )
> >
> > +{
> >
> > +  CONST UINT32                   *Property;
> >
> > +  INT32                          Offset;
> >
> > +  CONST VOID                     *NtFwCfgDtBlob;
> >
> > +  NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI  *NtFwConfigInfoPpi;
> >
> > +  EFI_STATUS                     Status;
> >
> > +
> >
> > +  Status = PeiServicesLocatePpi (
> >
> > +             &gNtFwConfigDtInfoPpiGuid,
> >
> > +             0,
> >
> > +             NULL,
> >
> > +             (VOID **)&NtFwConfigInfoPpi
> >
> > +             );
> >
> > +
> >
> > +  if (EFI_ERROR (Status)) {
> >
> > +    DEBUG ((
> >
> > +      DEBUG_ERROR,
> >
> > +      "PeiServicesLocatePpi failed with error %r\n",
> >
> > +      Status
> >
> > +      ));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  NtFwCfgDtBlob = (VOID *)(UINTN)NtFwConfigInfoPpi->NtFwConfigDtAddr;
> >
> > +  if (fdt_check_header (NtFwCfgDtBlob) != 0) {
> >
> > +    DEBUG ((DEBUG_ERROR, "Invalid DTB file %p passed\n", NtFwCfgDtBlob));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  Offset = fdt_subnode_offset (NtFwCfgDtBlob, 0, "platform-info");
> >
> > +  if (Offset == -FDT_ERR_NOTFOUND) {
> >
> > +    DEBUG ((DEBUG_ERROR, "Invalid DTB : platform-info node not found\n"));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "local-ddr-size", NULL);
> >
> > +  if (Property == NULL) {
> >
> > +    DEBUG ((DEBUG_ERROR, "local-ddr-size property not found\n"));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  plat_info->LocalDdrSize = fdt32_to_cpu (*Property);
> >
> > +
> >
> > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "remote-ddr-size", NULL);
> >
> > +  if (Property == NULL) {
> >
> > +    DEBUG ((DEBUG_ERROR, "remote-ddr-size property not found\n"));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  plat_info->RemoteDdrSize = fdt32_to_cpu (*Property);
> >
> > +
> >
> > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "secondary-chip-count", NULL);
> >
> > +  if (Property == NULL) {
> >
> > +    DEBUG ((DEBUG_ERROR, "secondary-chip-count property not found\n"));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  plat_info->SecondaryChipCount = fdt32_to_cpu (*Property);
> >
> > +
> >
> > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "multichip-mode", NULL);
> >
> > +  if (Property == NULL) {
> >
> > +    DEBUG ((DEBUG_ERROR, "multichip-mode property not found\n"));
> >
> > +    return EFI_INVALID_PARAMETER;
> >
> > +  }
> >
> > +
> >
> > +  plat_info->MultichipMode = fdt32_to_cpu (*Property);
> >
> > +
> >
> > +  return EFI_SUCCESS;
> >
> > +}
> >
> > +
> >
> >   /**
> >
> >     Returns the Virtual Memory Map of the platform.
> >
> >
> >
> > @@ -36,9 +120,24 @@ ArmPlatformGetVirtualMemoryMap (
> >     NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
> >
> >     UINT64                        DramBlock2Size;
> >
> >     UINT64                        RemoteDdrSize;
> >
> > +  EFI_STATUS                    Status;
> >
> >
> >
> >     Index = 0;
> >
> > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> >
> > +
> >
> > +  // Create platform info HOB
> >
> > +  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)BuildGuidHob (
> >
> > +                                        &gArmNeoverseN1SocPlatformInfoDescriptorGuid,
> >
> > +                                        sizeof (NEOVERSEN1SOC_PLAT_INFO)
> >
> > +                                        );
> >
> > +
> >
> > +  if (PlatInfo == NULL) {
> >
> > +    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
> >
> > +    ASSERT (FALSE);
> >
> > +    return;
> >
> > +  }
> >
> > +
> >
> > +  Status = GetNeoverseN1SocPlatInfo (PlatInfo);
> >
> > +  ASSERT (Status == 0);
> >
> >     DramBlock2Size = ((UINT64)(PlatInfo->LocalDdrSize -
> >
> >                                NEOVERSEN1SOC_DRAM_BLOCK1_SIZE / SIZE_1GB) *
> >
> >                               (UINT64)SIZE_1GB);
> >
> > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> > index 8d2069dea837..a0b89a7bf929 100644
> > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> > @@ -1,6 +1,6 @@
> >   /** @file
> >
> >   *
> >
> > -*  Copyright (c) 2019 - 2020, ARM Limited. All rights reserved.
> >
> > +*  Copyright (c) 2019 - 2023, ARM Limited. All rights reserved.
> >
> >   *
> >
> >   *  SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> >   *
> >
> > @@ -25,6 +25,8 @@ GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
> >   // the UEFI firmware through the CPU registers.
> >
> >   //
> >
> >   ASM_PFX(ArmPlatformPeiBootAction):
> >
> > +  adr  x10, NtFwConfigDtBlob
> >
> > +  str  x0, [x10]
> >
> >     ret
> >
> >
> >
> >   //
> >
>
> Sami's comments for the patch "Platform/ARM/Morello: Add support to
> parse NT_FW_CONFIG" apply for this patch as well. Please consider
> revising this patch based on those comments.
>
> Thanks,
> Thomas.
>
>
> 
>
>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [edk2-devel] [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG
  2023-02-08  5:22   ` sahil
@ 2023-02-08  5:29     ` sahil
  2023-02-10 15:18       ` Sami Mujawar
  0 siblings, 1 reply; 6+ messages in thread
From: sahil @ 2023-02-08  5:29 UTC (permalink / raw)
  To: devel, thomas.abraham, sami.mujawar; +Cc: Ard Biesheuvel, Leif Lindholm

On Wed, 8 Feb 2023 at 10:52, Sahil <sahil@arm.com> wrote:
>
> Hi Thomas/Sami,
>
> This issue arose while fixing comments during upstreaming the
> following patch - https://edk2.groups.io/g/devel/topic/83261392#76845
> and was observed while we were testing the platform with upstream code.
>
Sorry for the confusion. Please ignore this comment as it was intended
for another patch.
> Thanks,
> Sahil
>
> On Thu, 26 Jan 2023 at 02:17, Thomas Abraham <thomas.abraham@arm.com> wrote:
> >
> > Hi Sahil,
> >
> > On 06/01/2023 06:11, sahil via groups.io wrote:
> > > NT_FW_CONFIG DTB contains platform information passed by
> > > Tf-A boot stage.
> > > This information is used for Virtual memory map generation
> > > during PEI phase and passed on to DXE phase as a HOB, where
> > > it is used in ConfigurationManagerDxe.
> > >
> > > Signed-off-by: sahil <sahil@arm.com>
> > > ---
> > >   Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec                                                 |   7 +-
> > >   Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf |   3 +-
> > >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf                               |   8 +-
> > >   Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h                                           |  16 +--
> > >   Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c      |  24 +++--
> > >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c                                 |  12 ++-
> > >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c                              | 103 +++++++++++++++++++-
> > >   Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S                              |   4 +-
> > >   8 files changed, 152 insertions(+), 25 deletions(-)
> > >
> > > diff --git a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > > index d59f25a5b915..9e257ebde088 100644
> > > --- a/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > > +++ b/Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > > @@ -1,7 +1,7 @@
> > >   ## @file
> > >
> > >   #  Describes the entire platform configuration.
> > >
> > >   #
> > >
> > > -#  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
> > >
> > > +#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> > >
> > >   #
> > >
> > >   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >   #
> > >
> > > @@ -22,6 +22,8 @@ [Includes.common]
> > >     Include                        # Root include for the package
> > >
> > >
> > >
> > >   [Guids.common]
> > >
> > > +  # ARM NeoverseN1Soc Platform Info descriptor
> > >
> > > +  gArmNeoverseN1SocPlatformInfoDescriptorGuid = { 0x095cb024, 0x1e00, 0x4d6f, { 0xaa, 0x34, 0x4a, 0xf8, 0xaf, 0x0e, 0xad, 0x99 } }
> > >
> > >     gArmNeoverseN1SocTokenSpaceGuid = { 0xab93eb78, 0x60d7, 0x4099, { 0xac, 0xeb, 0x6d, 0xb5, 0x02, 0x58, 0x7c, 0x24 } }
> > >
> > >
> > >
> > >   [PcdsFixedAtBuild]
> > >
> > > @@ -83,3 +85,6 @@ [PcdsFixedAtBuild]
> > >     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio32Translation|0x40000000000|UINT64|0x0000004F
> > >
> > >     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieMmio64Translation|0x40000000000|UINT64|0x00000050
> > >
> > >     gArmNeoverseN1SocTokenSpaceGuid.PcdRemotePcieSegmentNumber|2|UINT32|0x00000051
> > >
> > > +
> > >
> > > +[Ppis]
> > >
> > > +  gNtFwConfigDtInfoPpiGuid =  { 0xb50dee0e, 0x577f, 0x47fb, { 0x83, 0xd0, 0x41, 0x78, 0x61, 0x8b, 0x33, 0x8a } }
> > >
> > > diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> > > index 4f8e7f13021a..a4e8b783ec02 100644
> > > --- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> > > +++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManagerDxe.inf
> > > @@ -1,7 +1,7 @@
> > >   ## @file
> > >
> > >   #  Configuration Manager Dxe
> > >
> > >   #
> > >
> > > -#  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
> > >
> > > +#  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
> > >
> > >   #
> > >
> > >   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >   #
> > >
> > > @@ -42,6 +42,7 @@ [Packages]
> > >
> > >
> > >   [LibraryClasses]
> > >
> > >     ArmPlatformLib
> > >
> > > +  HobLib
> > >
> > >     PrintLib
> > >
> > >     UefiBootServicesTableLib
> > >
> > >     UefiDriverEntryPoint
> > >
> > > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> > > index 96e590cdd810..78f309c3aa48 100644
> > > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> > > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.inf
> > > @@ -1,7 +1,7 @@
> > >   ## @file
> > >
> > >   #  Platform Library for N1Sdp.
> > >
> > >   #
> > >
> > > -#  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
> > >
> > > +#  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> > >
> > >   #
> > >
> > >   #  SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >   #
> > >
> > > @@ -18,10 +18,14 @@ [Defines]
> > >   [Packages]
> > >
> > >     ArmPkg/ArmPkg.dec
> > >
> > >     ArmPlatformPkg/ArmPlatformPkg.dec
> > >
> > > +  EmbeddedPkg/EmbeddedPkg.dec
> > >
> > >     MdeModulePkg/MdeModulePkg.dec
> > >
> > >     MdePkg/MdePkg.dec
> > >
> > >     Silicon/ARM/NeoverseN1Soc/NeoverseN1Soc.dec
> > >
> > >
> > >
> > > +[LibraryClasses]
> > >
> > > +  FdtLib
> > >
> > > +
> > >
> > >   [Sources.common]
> > >
> > >     PlatformLibMem.c
> > >
> > >     PlatformLib.c
> > >
> > > @@ -59,7 +63,9 @@ [FixedPcd]
> > >     gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
> > >
> > >
> > >
> > >   [Guids]
> > >
> > > +  gArmNeoverseN1SocPlatformInfoDescriptorGuid
> > >
> > >     gEfiHobListGuid          ## CONSUMES  ## SystemTable
> > >
> > >
> > >
> > >   [Ppis]
> > >
> > >     gArmMpCoreInfoPpiGuid
> > >
> > > +  gNtFwConfigDtInfoPpiGuid
> > >
> > > diff --git a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> > > index 097160c7e2d1..4966011ef9cf 100644
> > > --- a/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> > > +++ b/Silicon/ARM/NeoverseN1Soc/Include/NeoverseN1Soc.h
> > > @@ -1,6 +1,6 @@
> > >   /** @file
> > >
> > >   *
> > >
> > > -* Copyright (c) 2018 - 2020, ARM Limited. All rights reserved.
> > >
> > > +* Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.
> > >
> > >   *
> > >
> > >   * SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >   *
> > >
> > > @@ -41,11 +41,6 @@
> > >   #define NEOVERSEN1SOC_EXP_PERIPH_BASE0               0x1C000000
> > >
> > >   #define NEOVERSEN1SOC_EXP_PERIPH_BASE0_SZ            0x1300000
> > >
> > >
> > >
> > > -// Base address to a structure of type NEOVERSEN1SOC_PLAT_INFO which is
> > >
> > > -// pre-populated by a earlier boot stage
> > >
> > > -#define NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE          (NEOVERSEN1SOC_NON_SECURE_SRAM_BASE + \
> > >
> > > -                                                      0x00008000)
> > >
> > > -
> > >
> > >   /*
> > >
> > >    * Platform information structure stored in Non-secure SRAM. Platform
> > >
> > >    * information are passed from the trusted firmware with the below structure
> > >
> > > @@ -55,12 +50,17 @@
> > >   typedef struct {
> > >
> > >     /*! 0 - Single Chip, 1 - Chip to Chip (C2C) */
> > >
> > >     UINT8   MultichipMode;
> > >
> > > -  /*! Slave count in C2C mode */
> > >
> > > -  UINT8   SlaveCount;
> > >
> > > +  /*! Secondary chip count in C2C mode */
> > >
> > > +  UINT8   SecondaryChipCount;
> > >
> > >     /*! Local DDR memory size in GigaBytes */
> > >
> > >     UINT8   LocalDdrSize;
> > >
> > >     /*! Remote DDR memory size in GigaBytes */
> > >
> > >     UINT8   RemoteDdrSize;
> > >
> > >   } NEOVERSEN1SOC_PLAT_INFO;
> > >
> > >
> > >
> > > +// NT_FW_CONFIG DT structure
> > >
> > > +typedef struct {
> > >
> > > +  UINT64                  NtFwConfigDtAddr;
> > >
> > > +} NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI;
> > >
> > > +
> > >
> > >   #endif
> > >
> > > diff --git a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> > > index a6b4cb0ef482..c15020f595c3 100644
> > > --- a/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> > > +++ b/Platform/ARM/N1Sdp/ConfigurationManager/ConfigurationManagerDxe/ConfigurationManager.c
> > > @@ -1,7 +1,7 @@
> > >   /** @file
> > >
> > >     Configuration Manager Dxe
> > >
> > >
> > >
> > > -  Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
> > >
> > > +  Copyright (c) 2021 - 2023, ARM Limited. All rights reserved.<BR>
> > >
> > >
> > >
> > >     SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >
> > >
> > > @@ -16,6 +16,7 @@
> > >   #include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> > >
> > >   #include <Library/ArmLib.h>
> > >
> > >   #include <Library/DebugLib.h>
> > >
> > > +#include <Library/HobLib.h>
> > >
> > >   #include <Library/IoLib.h>
> > >
> > >   #include <Library/PcdLib.h>
> > >
> > >   #include <Library/UefiBootServicesTableLib.h>
> > >
> > > @@ -28,6 +29,7 @@
> > >   #include "Platform.h"
> > >
> > >
> > >
> > >   extern struct EFI_ACPI_HETEROGENEOUS_MEMORY_ATTRIBUTE_TABLE Hmat;
> > >
> > > +static NEOVERSEN1SOC_PLAT_INFO *PlatInfo;
> > >
> > >
> > >
> > >   /** The platform configuration repository information.
> > >
> > >   */
> > >
> > > @@ -1242,13 +1244,11 @@ InitializePlatformRepository (
> > >     IN  EDKII_PLATFORM_REPOSITORY_INFO  * CONST PlatRepoInfo
> > >
> > >     )
> > >
> > >   {
> > >
> > > -  NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
> > >
> > >     UINT64                        Dram2Size;
> > >
> > >     UINT64                        RemoteDdrSize;
> > >
> > >
> > >
> > >     RemoteDdrSize = 0;
> > >
> > >
> > >
> > > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> > >
> > >     Dram2Size = ((PlatInfo->LocalDdrSize - 2) * SIZE_1GB);
> > >
> > >
> > >
> > >     PlatRepoInfo->MemAffInfo[LOCAL_DDR_REGION2].Length = Dram2Size;
> > >
> > > @@ -1512,7 +1512,6 @@ GetGicCInfo (
> > >     )
> > >
> > >   {
> > >
> > >     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> > >
> > > -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> > >
> > >     UINT32                            TotalObjCount;
> > >
> > >     UINT32                            ObjIndex;
> > >
> > >
> > >
> > > @@ -1523,7 +1522,6 @@ GetGicCInfo (
> > >     }
> > >
> > >
> > >
> > >     PlatformRepo = This->PlatRepoInfo;
> > >
> > > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> > >
> > >
> > >
> > >     if (PlatInfo->MultichipMode == 1) {
> > >
> > >       TotalObjCount = PLAT_CPU_COUNT * 2;
> > >
> > > @@ -1623,7 +1621,6 @@ GetStandardNameSpaceObject (
> > >   {
> > >
> > >     EFI_STATUS                        Status;
> > >
> > >     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> > >
> > > -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> > >
> > >     UINT32                            AcpiTableCount;
> > >
> > >
> > >
> > >     if ((This == NULL) || (CmObject == NULL)) {
> > >
> > > @@ -1634,7 +1631,7 @@ GetStandardNameSpaceObject (
> > >
> > >
> > >     Status = EFI_NOT_FOUND;
> > >
> > >     PlatformRepo = This->PlatRepoInfo;
> > >
> > > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> > >
> > > +
> > >
> > >     AcpiTableCount = ARRAY_SIZE (PlatformRepo->CmAcpiTableList);
> > >
> > >     if (PlatInfo->MultichipMode == 0)
> > >
> > >           AcpiTableCount -= 1;
> > >
> > > @@ -1697,7 +1694,6 @@ GetArmNameSpaceObject (
> > >   {
> > >
> > >     EFI_STATUS                        Status;
> > >
> > >     EDKII_PLATFORM_REPOSITORY_INFO  * PlatformRepo;
> > >
> > > -  NEOVERSEN1SOC_PLAT_INFO           *PlatInfo;
> > >
> > >     UINT32                            GicRedistCount;
> > >
> > >     UINT32                            GicCpuCount;
> > >
> > >     UINT32                            ProcHierarchyInfoCount;
> > >
> > > @@ -1718,8 +1714,6 @@ GetArmNameSpaceObject (
> > >     Status = EFI_NOT_FOUND;
> > >
> > >     PlatformRepo = This->PlatRepoInfo;
> > >
> > >
> > >
> > > -  // Probe for multi chip information
> > >
> > > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> > >
> > >     if (PlatInfo->MultichipMode == 1) {
> > >
> > >       GicRedistCount = 2;
> > >
> > >       GicCpuCount = PLAT_CPU_COUNT * 2;
> > >
> > > @@ -2162,8 +2156,18 @@ ConfigurationManagerDxeInitialize (
> > >     IN EFI_SYSTEM_TABLE  * SystemTable
> > >
> > >     )
> > >
> > >   {
> > >
> > > +  VOID *PlatInfoHob;
> > >
> > >     EFI_STATUS  Status;
> > >
> > >
> > >
> > > +  PlatInfoHob = GetFirstGuidHob (&gArmNeoverseN1SocPlatformInfoDescriptorGuid);
> > >
> > > +
> > >
> > > +  if (PlatInfoHob == NULL) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
> > >
> > > +    return EFI_NOT_FOUND;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)GET_GUID_HOB_DATA (PlatInfoHob);
> > >
> > > +
> > >
> > >     // Initialize the Platform Configuration Repository before installing the
> > >
> > >     // Configuration Manager Protocol
> > >
> > >     Status = InitializePlatformRepository (
> > >
> > > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> > > index c0effd37f333..2f753be717ab 100644
> > > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> > > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLib.c
> > > @@ -1,6 +1,6 @@
> > >   /** @file
> > >
> > >
> > >
> > > -  Copyright (c) 2018-2021, ARM Limited. All rights reserved.<BR>
> > >
> > > +  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> > >
> > >
> > >
> > >     SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >
> > >
> > > @@ -8,8 +8,12 @@
> > >
> > >
> > >   #include <Library/ArmPlatformLib.h>
> > >
> > >   #include <Library/BaseLib.h>
> > >
> > > +#include <NeoverseN1Soc.h>
> > >
> > >   #include <Ppi/ArmMpCoreInfo.h>
> > >
> > >
> > >
> > > +UINT64 NtFwConfigDtBlob;
> > >
> > > +STATIC NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI mNtFwConfigDtInfoPpi;
> > >
> > > +
> > >
> > >   STATIC ARM_CORE_INFO mCoreInfoTable[] = {
> > >
> > >     { 0x0, 0x0 }, // Cluster 0, Core 0
> > >
> > >     { 0x0, 0x1 }, // Cluster 0, Core 1
> > >
> > > @@ -46,6 +50,7 @@ ArmPlatformInitialize (
> > >     IN     UINTN                  MpId
> > >
> > >     )
> > >
> > >   {
> > >
> > > +  mNtFwConfigDtInfoPpi.NtFwConfigDtAddr = NtFwConfigDtBlob;
> > >
> > >     return RETURN_SUCCESS;
> > >
> > >   }
> > >
> > >
> > >
> > > @@ -80,6 +85,11 @@ EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
> > >       EFI_PEI_PPI_DESCRIPTOR_PPI,
> > >
> > >       &gArmMpCoreInfoPpiGuid,
> > >
> > >       &mMpCoreInfoPpi
> > >
> > > +  },
> > >
> > > +  {
> > >
> > > +    EFI_PEI_PPI_DESCRIPTOR_PPI,
> > >
> > > +    &gNtFwConfigDtInfoPpiGuid,
> > >
> > > +    &mNtFwConfigDtInfoPpi
> > >
> > >     }
> > >
> > >   };
> > >
> > >
> > >
> > > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> > > index 339fa07b3217..1d53ec75aa49 100644
> > > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> > > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/PlatformLibMem.c
> > > @@ -1,6 +1,6 @@
> > >   /** @file
> > >
> > >
> > >
> > > -  Copyright (c) 2018 - 2021, ARM Limited. All rights reserved.<BR>
> > >
> > > +  Copyright (c) 2018 - 2023, ARM Limited. All rights reserved.<BR>
> > >
> > >
> > >
> > >     SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >
> > >
> > > @@ -10,11 +10,95 @@
> > >   #include <Library/DebugLib.h>
> > >
> > >   #include <Library/HobLib.h>
> > >
> > >   #include <Library/MemoryAllocationLib.h>
> > >
> > > +#include <Library/PeiServicesLib.h>
> > >
> > > +#include <libfdt.h>
> > >
> > >   #include <NeoverseN1Soc.h>
> > >
> > >
> > >
> > >   // The total number of descriptors, including the final "end-of-table" descriptor.
> > >
> > >   #define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 19
> > >
> > >
> > >
> > > +/** A helper function to locate the NtFwConfig PPI and get the base address of
> > >
> > > +  NT_FW_CONFIG DT from which values are obtained using FDT helper functions.
> > >
> > > +
> > >
> > > +  @param [out]  plat_info  Pointer to the NeoverseN1Soc PLATFORM_INFO HOB
> > >
> > > +
> > >
> > > +  @retval EFI_SUCCESS            Success.
> > >
> > > +  returns EFI_INVALID_PARAMETER  A parameter is invalid.
> > >
> > > +**/
> > >
> > > +EFI_STATUS
> > >
> > > +GetNeoverseN1SocPlatInfo (
> > >
> > > +  OUT NEOVERSEN1SOC_PLAT_INFO *plat_info
> > >
> > > +  )
> > >
> > > +{
> > >
> > > +  CONST UINT32                   *Property;
> > >
> > > +  INT32                          Offset;
> > >
> > > +  CONST VOID                     *NtFwCfgDtBlob;
> > >
> > > +  NEOVERSEN1SOC_NT_FW_CONFIG_INFO_PPI  *NtFwConfigInfoPpi;
> > >
> > > +  EFI_STATUS                     Status;
> > >
> > > +
> > >
> > > +  Status = PeiServicesLocatePpi (
> > >
> > > +             &gNtFwConfigDtInfoPpiGuid,
> > >
> > > +             0,
> > >
> > > +             NULL,
> > >
> > > +             (VOID **)&NtFwConfigInfoPpi
> > >
> > > +             );
> > >
> > > +
> > >
> > > +  if (EFI_ERROR (Status)) {
> > >
> > > +    DEBUG ((
> > >
> > > +      DEBUG_ERROR,
> > >
> > > +      "PeiServicesLocatePpi failed with error %r\n",
> > >
> > > +      Status
> > >
> > > +      ));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  NtFwCfgDtBlob = (VOID *)(UINTN)NtFwConfigInfoPpi->NtFwConfigDtAddr;
> > >
> > > +  if (fdt_check_header (NtFwCfgDtBlob) != 0) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "Invalid DTB file %p passed\n", NtFwCfgDtBlob));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  Offset = fdt_subnode_offset (NtFwCfgDtBlob, 0, "platform-info");
> > >
> > > +  if (Offset == -FDT_ERR_NOTFOUND) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "Invalid DTB : platform-info node not found\n"));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "local-ddr-size", NULL);
> > >
> > > +  if (Property == NULL) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "local-ddr-size property not found\n"));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  plat_info->LocalDdrSize = fdt32_to_cpu (*Property);
> > >
> > > +
> > >
> > > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "remote-ddr-size", NULL);
> > >
> > > +  if (Property == NULL) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "remote-ddr-size property not found\n"));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  plat_info->RemoteDdrSize = fdt32_to_cpu (*Property);
> > >
> > > +
> > >
> > > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "secondary-chip-count", NULL);
> > >
> > > +  if (Property == NULL) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "secondary-chip-count property not found\n"));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  plat_info->SecondaryChipCount = fdt32_to_cpu (*Property);
> > >
> > > +
> > >
> > > +  Property = fdt_getprop (NtFwCfgDtBlob, Offset, "multichip-mode", NULL);
> > >
> > > +  if (Property == NULL) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "multichip-mode property not found\n"));
> > >
> > > +    return EFI_INVALID_PARAMETER;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  plat_info->MultichipMode = fdt32_to_cpu (*Property);
> > >
> > > +
> > >
> > > +  return EFI_SUCCESS;
> > >
> > > +}
> > >
> > > +
> > >
> > >   /**
> > >
> > >     Returns the Virtual Memory Map of the platform.
> > >
> > >
> > >
> > > @@ -36,9 +120,24 @@ ArmPlatformGetVirtualMemoryMap (
> > >     NEOVERSEN1SOC_PLAT_INFO       *PlatInfo;
> > >
> > >     UINT64                        DramBlock2Size;
> > >
> > >     UINT64                        RemoteDdrSize;
> > >
> > > +  EFI_STATUS                    Status;
> > >
> > >
> > >
> > >     Index = 0;
> > >
> > > -  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)NEOVERSEN1SOC_PLAT_INFO_STRUCT_BASE;
> > >
> > > +
> > >
> > > +  // Create platform info HOB
> > >
> > > +  PlatInfo = (NEOVERSEN1SOC_PLAT_INFO *)BuildGuidHob (
> > >
> > > +                                        &gArmNeoverseN1SocPlatformInfoDescriptorGuid,
> > >
> > > +                                        sizeof (NEOVERSEN1SOC_PLAT_INFO)
> > >
> > > +                                        );
> > >
> > > +
> > >
> > > +  if (PlatInfo == NULL) {
> > >
> > > +    DEBUG ((DEBUG_ERROR, "Platform HOB is NULL\n"));
> > >
> > > +    ASSERT (FALSE);
> > >
> > > +    return;
> > >
> > > +  }
> > >
> > > +
> > >
> > > +  Status = GetNeoverseN1SocPlatInfo (PlatInfo);
> > >
> > > +  ASSERT (Status == 0);
> > >
> > >     DramBlock2Size = ((UINT64)(PlatInfo->LocalDdrSize -
> > >
> > >                                NEOVERSEN1SOC_DRAM_BLOCK1_SIZE / SIZE_1GB) *
> > >
> > >                               (UINT64)SIZE_1GB);
> > >
> > > diff --git a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> > > index 8d2069dea837..a0b89a7bf929 100644
> > > --- a/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> > > +++ b/Silicon/ARM/NeoverseN1Soc/Library/PlatformLib/AArch64/Helper.S
> > > @@ -1,6 +1,6 @@
> > >   /** @file
> > >
> > >   *
> > >
> > > -*  Copyright (c) 2019 - 2020, ARM Limited. All rights reserved.
> > >
> > > +*  Copyright (c) 2019 - 2023, ARM Limited. All rights reserved.
> > >
> > >   *
> > >
> > >   *  SPDX-License-Identifier: BSD-2-Clause-Patent
> > >
> > >   *
> > >
> > > @@ -25,6 +25,8 @@ GCC_ASM_EXPORT(ArmPlatformIsPrimaryCore)
> > >   // the UEFI firmware through the CPU registers.
> > >
> > >   //
> > >
> > >   ASM_PFX(ArmPlatformPeiBootAction):
> > >
> > > +  adr  x10, NtFwConfigDtBlob
> > >
> > > +  str  x0, [x10]
> > >
> > >     ret
> > >
> > >
> > >
> > >   //
> > >
> >
> > Sami's comments for the patch "Platform/ARM/Morello: Add support to
> > parse NT_FW_CONFIG" apply for this patch as well. Please consider
> > revising this patch based on those comments.
> >
> > Thanks,
> > Thomas.
> >
> >
> > 
> >
> >

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [edk2-devel] [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG
  2023-02-08  5:29     ` sahil
@ 2023-02-10 15:18       ` Sami Mujawar
  2023-02-10 15:38         ` Sami Mujawar
  0 siblings, 1 reply; 6+ messages in thread
From: Sami Mujawar @ 2023-02-10 15:18 UTC (permalink / raw)
  To: sahil, devel

[-- Attachment #1: Type: text/plain, Size: 208 bytes --]

Hi Sahil,

Thomas is referring to my feedback at https://edk2.groups.io/g/devel/topic/87497028#84347
Can you check your patch once again to see those issues are fixed, please?

Regards,

Sami Mujawar

[-- Attachment #2: Type: text/html, Size: 333 bytes --]

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [edk2-devel] [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG
  2023-02-10 15:18       ` Sami Mujawar
@ 2023-02-10 15:38         ` Sami Mujawar
  0 siblings, 0 replies; 6+ messages in thread
From: Sami Mujawar @ 2023-02-10 15:38 UTC (permalink / raw)
  To: devel@edk2.groups.io, Sami Mujawar, Sahil, Thomas Abraham; +Cc: nd

[-- Attachment #1: Type: text/plain, Size: 798 bytes --]

Hi Sahil,

Thank you for pointing me to the V2 patch at https://edk2.groups.io/g/devel/message/99391
I will review this soon.

Regards,

Sami Mujawar

From: <devel@edk2.groups.io> on behalf of "Sami Mujawar via groups.io" <sami.mujawar=arm.com@groups.io>
Reply to: "devel@edk2.groups.io" <devel@edk2.groups.io>, Sami Mujawar <Sami.Mujawar@arm.com>
Date: Friday, 10 February 2023 at 15:19
To: Sahil <Sahil@arm.com>, "devel@edk2.groups.io" <devel@edk2.groups.io>
Subject: Re: [edk2-devel] [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG

Hi Sahil,

Thomas is referring to my feedback at https://edk2.groups.io/g/devel/topic/87497028#84347
Can you check your patch once again to see those issues are fixed, please?

Regards,

Sami Mujawar


[-- Attachment #2: Type: text/html, Size: 3915 bytes --]

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-02-10 15:38 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-01-06  6:11 [edk2-platforms][PATCH V1 1/1] Platform/ARM/N1sdp: Add support to parse NT_FW_CONFIG sahil
2023-01-25 20:47 ` [edk2-devel] " Thomas Abraham
2023-02-08  5:22   ` sahil
2023-02-08  5:29     ` sahil
2023-02-10 15:18       ` Sami Mujawar
2023-02-10 15:38         ` Sami Mujawar

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