Add MemoryInitPei Library for NXP platforms.
It retreieves DRAM information from TF-A.
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggar...@nxp.com>
---
Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.inf | 48 +++++++
Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.c | 140
++++++++++++++++++++
2 files changed, 188 insertions(+)
diff --git a/Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.inf
b/Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.inf
new file mode 100644
index 000000000000..a5bd39415def
--- /dev/null
+++ b/Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.inf
@@ -0,0 +1,48 @@
+#/** @file
+#
+# Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>
+# Copyright 2019-2020 NXP
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#**/
+
+[Defines]
+ INF_VERSION = 0x0001001A
+ BASE_NAME = ArmMemoryInitPeiLib
+ FILE_GUID = 55ddb6e0-70b5-11e0-b33e-0002a5d5c51b
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = MemoryInitPeiLib|SEC PEIM DXE_DRIVER
+
+[Sources]
+ MemoryInitPeiLib.c
+
+
+[Packages]
+ ArmPkg/ArmPkg.dec
+ ArmPlatformPkg/ArmPlatformPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ Silicon/NXP/NxpQoriqLs.dec
+
+[LibraryClasses]
+ ArmMmuLib
+ ArmPlatformLib
+ DebugLib
+ HobLib
+ PcdLib
+
+[Guids]
+ gEfiMemoryTypeInformationGuid
+
+[FeaturePcd]
+ gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob
+
+[Pcd]
+ gArmTokenSpaceGuid.PcdSystemMemoryBase
+ gArmTokenSpaceGuid.PcdSystemMemorySize
+
+[Depex]
+ TRUE
diff --git a/Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.c
b/Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.c
new file mode 100644
index 000000000000..00af4bde1a6a
--- /dev/null
+++ b/Silicon/NXP/Library/MemoryInitPei/MemoryInitPeiLib.c
@@ -0,0 +1,140 @@
+/** @file
+*
+* Copyright (c) 2011-2015, ARM Limited. All rights reserved.
+*
+* Copyright 2019-2020 NXP
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+#include <PiPei.h>
+
+#include <Library/ArmMmuLib.h>
+#include <Library/ArmPlatformLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+
+#include <DramInfo.h>
+
+VOID
+BuildMemoryTypeInformationHob (
+ VOID
+ );
+
+VOID
+InitMmu (
+ IN ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable
+ )
+{
+
+ VOID *TranslationTableBase;
+ UINTN TranslationTableSize;
+ RETURN_STATUS Status;
+
+ //Note: Because we called PeiServicesInstallPeiMemory() before
+ //to call InitMmu() the MMU Page Table resides in DRAM
+ //(even at the top of DRAM as it is the first permanent memory allocation)
+ Status = ArmConfigureMmu (MemoryTable, &TranslationTableBase,
&TranslationTableSize);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Error: Failed to enable MMU\n"));
+ }
+}
+
+/*++
+
+Routine Description:
+
+
+
+Arguments:
+
+ FileHandle - Handle of the file being invoked.
+ PeiServices - Describes the list of possible PEI Services.
+
+Returns:
+
+ Status - EFI_SUCCESS if the boot mode could be set
+
+--*/
+EFI_STATUS
+EFIAPI
+MemoryPeim (
+ IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,
+ IN UINT64 UefiMemorySize
+ )
+{
+ ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;
+ EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttributes;
+ EFI_PEI_HOB_POINTERS NextHob;
+ BOOLEAN Found;
+ DRAM_INFO DramInfo;
+
+ // Get Virtual Memory Map from the Platform Library
+ ArmPlatformGetVirtualMemoryMap (&MemoryTable);
+
+ //
+ // Ensure MemoryTable[0].Length which is size of DRAM has been set
+ // by ArmPlatformGetVirtualMemoryMap ()
+ //
+ ASSERT (MemoryTable[0].Length != 0);
+
+ //
+ // Now, the permanent memory has been installed, we can call AllocatePages()
+ //
+ ResourceAttributes = (
+ EFI_RESOURCE_ATTRIBUTE_PRESENT |
+ EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+ EFI_RESOURCE_ATTRIBUTE_TESTED
+ );
+
+ if (GetDramBankInfo (&DramInfo)) {
+ DEBUG ((DEBUG_ERROR, "Failed to get DRAM information, exiting...\n"));
+ return EFI_UNSUPPORTED;
+ }
+
+ while (DramInfo.NumOfDrams--) {
+ //
+ // Check if the resource for the main system memory has been declared
+ //
+ Found = FALSE;
+ NextHob.Raw = GetHobList ();
+ while ((NextHob.Raw = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR,
NextHob.Raw)) != NULL) {
+ if ((NextHob.ResourceDescriptor->ResourceType ==
EFI_RESOURCE_SYSTEM_MEMORY) &&
+ (DramInfo.DramRegion[DramInfo.NumOfDrams].BaseAddress >=
NextHob.ResourceDescriptor->PhysicalStart) &&
+ (NextHob.ResourceDescriptor->PhysicalStart +
NextHob.ResourceDescriptor->ResourceLength <=
+ DramInfo.DramRegion[DramInfo.NumOfDrams].BaseAddress +
DramInfo.DramRegion[DramInfo.NumOfDrams].Size))
+ {
+ Found = TRUE;
+ break;
+ }
+ NextHob.Raw = GET_NEXT_HOB (NextHob);
+ }
+
+ if (!Found) {
+ // Reserved the memory space occupied by the firmware volume
+ BuildResourceDescriptorHob (
+ EFI_RESOURCE_SYSTEM_MEMORY,
+ ResourceAttributes,
+ DramInfo.DramRegion[DramInfo.NumOfDrams].BaseAddress,
+ DramInfo.DramRegion[DramInfo.NumOfDrams].Size
+ );
+ }
+ }
+
+ // Build Memory Allocation Hob
+ InitMmu (MemoryTable);
+
+ if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) {
+ // Optional feature that helps prevent EFI memory map fragmentation.
+ BuildMemoryTypeInformationHob ();
+ }
+
+ return EFI_SUCCESS;
+}
--
1.9.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#53481): https://edk2.groups.io/g/devel/message/53481
Mute This Topic: https://groups.io/mt/70074425/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
