From: "Daniel Schaefer" <daniel.schaefer@hpe.com>
To: <devel@edk2.groups.io>
Cc: Abner Chang <abner.chang@hpe.com>, <daniel.schaefer@hpe.com>,
Sunil V L <sunilvl@ventanamicro.com>
Subject: [edk2-platforms] [PATCH v3 09/14] RISC-V/PlatformPkg: Add FdtPeim to pass DTB from PEI to DXE via HOB
Date: Tue, 19 Oct 2021 11:48:44 +0800 [thread overview]
Message-ID: <20211019034849.16847-10-daniel.schaefer@hpe.com> (raw)
In-Reply-To: <20211019034849.16847-1-daniel.schaefer@hpe.com>
From: Abner Chang <abner.chang@hpe.com>
Cc: Daniel Schaefer <daniel.schaefer>
Cc: Abner Chang <abner.chang@hpe.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Abner Chang <abner.chang@hpe.com>
Signed-off-by: Daniel Schaefer <daniel.schaefer@hpe.com>
---
Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc | 5 ++
Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf | 1 +
Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.inf | 49 ++++++++++++++
Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.c | 70 ++++++++++++++++++++
Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi | 2 +-
5 files changed, 126 insertions(+), 1 deletion(-)
diff --git a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc
index e971993b7b00..4fab3c4bdcbb 100644
--- a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc
+++ b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.dsc
@@ -150,6 +150,10 @@
RiscVPlatformTimerLib|Platform/SiFive/U5SeriesPkg/Library/RiscVPlatformTimerLib/RiscVPlatformTimerLib.inf
CpuExceptionHandlerLib|Silicon/RISC-V/ProcessorPkg/Library/RiscVExceptionLib/CpuExceptionHandlerDxeLib.inf
+
+ # Flattened Device Tree (FDT) access library
+ FdtLib|EmbeddedPkg/Library/FdtLib/FdtLib.inf
+
[LibraryClasses.common.SEC]
!ifdef $(DEBUG_ON_SERIAL_PORT)
DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
@@ -400,6 +404,7 @@
<LibraryClasses>
PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
}
+ Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.inf
#
# DXE Phase modules
diff --git a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf
index 820e19d11334..f0bd65fad648 100644
--- a/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf
+++ b/Platform/SiFive/U5SeriesPkg/FreedomU540HiFiveUnleashedBoard/U540.fdf
@@ -101,6 +101,7 @@ INF MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
# RISC-V Platform PEI Driver
INF Platform/RISC-V/PlatformPkg/Universal/Pei/PlatformPei/PlatformPei.inf
+INF Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.inf
################################################################################
diff --git a/Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.inf b/Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.inf
new file mode 100644
index 000000000000..8dc58f0a8bf4
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.inf
@@ -0,0 +1,49 @@
+## @file
+# The FDT Peim driver is used to pass the device tree to DXE phase.
+#
+# Copyright (c) 2021, Hewlett Packard Enterprise Developmente LP. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FdtPei
+ MODULE_UNI_FILE = FdtPei.uni
+ FILE_GUID = 724FD5E9-F35E-4386-B1E1-2ADA6103C4F9
+ MODULE_TYPE = PEIM
+ VERSION_STRING = 1.0
+
+ ENTRY_POINT = PeimPassFdt
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = RISCV64
+#
+
+[Sources]
+ FdtPeim.c
+
+[Packages]
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ Silicon/RISC-V/ProcessorPkg/RiscVProcessorPkg.dec
+
+[LibraryClasses]
+ DebugLib
+ DebugLib
+ HobLib
+ FdtLib
+ PcdLib
+ PeiServicesLib
+ PeimEntryPoint
+ RiscVFirmwareContextLib
+
+[Guids]
+ gFdtHobGuid ## PRODUCES
+
+[Depex]
+ TRUE
diff --git a/Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.c b/Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.c
new file mode 100644
index 000000000000..2cd94f291c7d
--- /dev/null
+++ b/Platform/RISC-V/PlatformPkg/Universal/FdtPeim/FdtPeim.c
@@ -0,0 +1,70 @@
+/** @file
+The module to pass the device tree to DXE via HOB.
+
+Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/RiscVFirmwareContextLib.h>
+
+#include <libfdt.h>
+
+#include <Guid/FdtHob.h>
+
+/**
+ The entrypoint of the module, it will pass the FDT via a HOB.
+
+ @param FileHandle Handle of the file being invoked.
+ @param PeiServices Describes the list of possible PEI Services.
+
+ @retval TODO
+**/
+EFI_STATUS
+EFIAPI
+PeimPassFdt (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ IN CONST EFI_PEI_SERVICES **PeiServices
+ )
+{
+ VOID *FdtPointer;
+ VOID *Base;
+ VOID *NewBase;
+ UINTN FdtSize;
+ UINTN FdtPages;
+ UINT64 *FdtHobData;
+ EFI_RISCV_OPENSBI_FIRMWARE_CONTEXT *FirmwareContext;
+
+ FirmwareContext = NULL;
+ GetFirmwareContextPointer (&FirmwareContext);
+
+ if (FirmwareContext == NULL) {
+ DEBUG((DEBUG_ERROR, "%a: OpenSBI Firmware Context is NULL\n", __FUNCTION__));
+ return EFI_UNSUPPORTED;
+ }
+ FdtPointer = (VOID *)FirmwareContext->FlattenedDeviceTree;
+ if (FdtPointer == NULL) {
+ DEBUG((DEBUG_ERROR, "%a: Invalid FDT pointer\n", __FUNCTION__));
+ return EFI_UNSUPPORTED;
+ }
+ DEBUG((DEBUG_ERROR, "%a: Build FDT HOB - FDT at address: 0x%x \n", __FUNCTION__, FdtPointer));
+ Base = FdtPointer;
+ ASSERT (Base != NULL);
+ ASSERT (fdt_check_header (Base) == 0);
+
+ FdtSize = fdt_totalsize (Base);
+ FdtPages = EFI_SIZE_TO_PAGES (FdtSize);
+ NewBase = AllocatePages (FdtPages);
+ ASSERT (NewBase != NULL);
+ fdt_open_into (Base, NewBase, EFI_PAGES_TO_SIZE (FdtPages));
+
+ FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof *FdtHobData);
+ ASSERT (FdtHobData != NULL);
+ *FdtHobData = (UINTN)NewBase;
+
+ return EFI_SUCCESS;
+}
diff --git a/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi b/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi
index 937caee08331..a731c7e36988 160000
--- a/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi
+++ b/Silicon/RISC-V/ProcessorPkg/Library/RiscVOpensbiLib/opensbi
@@ -1 +1 @@
-Subproject commit 937caee0833115f69d697ca190001ba0aa5c7368
+Subproject commit a731c7e36988c3308e1978ecde491f2f6182d490
--
2.31.1
next prev parent reply other threads:[~2021-10-19 3:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-19 3:48 [edk2-platforms] [PATCH v3 00/14] Use generic OpenSBI platform Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 01/14] U5SeriesPkg: Deduplicate PlatformPei Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 02/14] RISC-V: Split SMBIOS out of PlatformPei Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 03/14] RISC-V: Use U5 SMBIOS library only for those platforms Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 04/14] Silicon/RISC-V: Introduce FirmwareContext library Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 05/14] Silicon/RISC-V: PeiServiceTableLib uses RiscVFirmwareContextLib Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 06/14] SiFive/U5SeriesPkg: Use FirmwareContext library Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 07/14] U540: Add and build device tree Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 08/14] RISC-V/PlatformPkg: Build DeviceTree and use that in SEC Daniel Schaefer
2021-10-19 3:48 ` Daniel Schaefer [this message]
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 10/14] RISC-V/PlatformPkg: Fixup FDT from HOB and install into config table Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 11/14] U5SeriesPkg: Switch to generic OpenSBI platform Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 12/14] RISC-V: Switch to latest OpenSBI Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 13/14] RISC-V: Implement ResetSystem RT call Daniel Schaefer
2021-10-19 3:48 ` [edk2-platforms] [PATCH v3 14/14] Move OpenSbiPlatformLib to RISC-V/PlatformPkg Daniel Schaefer
2021-10-19 5:58 ` [edk2-platforms] [PATCH v3 00/14] Use generic OpenSBI platform Abner Chang
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