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| author | Zhiguang Liu <zhiguang.liu@intel.com> | 2021-06-20 23:30:07 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-06-24 09:16:22 +0000 |
| commit | a75c029f601cceb21999fcb8c676b14d26a9906d (patch) | |
| tree | 7c335acf4316dac8f25e8737be423604ab40b630 /UefiPayloadPkg/Library | |
| parent | ea0bd5f6a70ca72a7090222bf7c7e88d0050e007 (diff) | |
| download | edk2-a75c029f601cceb21999fcb8c676b14d26a9906d.tar.gz edk2-a75c029f601cceb21999fcb8c676b14d26a9906d.tar.bz2 edk2-a75c029f601cceb21999fcb8c676b14d26a9906d.zip | |
UefiPayloadPkg: Add a separate PlatformHookLib for Universal Payload
Add a new separate PlatformHookLib for Universal Payload to consume Guid
Hob gUniversalPayloadSerialPortInfoGuid to get serial port information
Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Guo Dong <guo.dong@intel.com>
Cc: Benjamin You <benjamin.you@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
Diffstat (limited to 'UefiPayloadPkg/Library')
| -rw-r--r-- | UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.c | 82 | ||||
| -rw-r--r-- | UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.inf | 41 |
2 files changed, 123 insertions, 0 deletions
diff --git a/UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.c b/UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.c new file mode 100644 index 0000000000..6705f29505 --- /dev/null +++ b/UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.c @@ -0,0 +1,82 @@ +/** @file
+ Platform Hook Library instance for UART device.
+
+ Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <PiDxe.h>
+#include <UniversalPayload/SerialPortInfo.h>
+#include <Library/PlatformHookLib.h>
+#include <Library/PcdLib.h>
+#include <Library/HobLib.h>
+
+/**
+ Performs platform specific initialization required for the CPU to access
+ the hardware associated with a SerialPortLib instance. This function does
+ not initialize the serial port hardware itself. Instead, it initializes
+ hardware devices that are required for the CPU to access the serial port
+ hardware. This function may be called more than once.
+
+ @retval RETURN_SUCCESS The platform specific initialization succeeded.
+ @retval RETURN_DEVICE_ERROR The platform specific initialization could not be completed.
+
+**/
+RETURN_STATUS
+EFIAPI
+PlatformHookSerialPortInitialize (
+ VOID
+ )
+{
+ RETURN_STATUS Status;
+ UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO *SerialPortInfo;
+ UINT8 *GuidHob;
+ UNIVERSAL_PAYLOAD_GENERIC_HEADER *GenericHeader;
+
+ GuidHob = GetFirstGuidHob (&gUniversalPayloadSerialPortInfoGuid);
+ if (GuidHob == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ GenericHeader = (UNIVERSAL_PAYLOAD_GENERIC_HEADER *) GET_GUID_HOB_DATA (GuidHob);
+ if ((sizeof (UNIVERSAL_PAYLOAD_GENERIC_HEADER) > GET_GUID_HOB_DATA_SIZE (GuidHob)) || (GenericHeader->Length > GET_GUID_HOB_DATA_SIZE (GuidHob))) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (GenericHeader->Revision == UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO_REVISION) {
+ SerialPortInfo = (UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO *) GET_GUID_HOB_DATA (GuidHob);
+ if (GenericHeader->Length < UNIVERSAL_PAYLOAD_SIZEOF_THROUGH_FIELD (UNIVERSAL_PAYLOAD_SERIAL_PORT_INFO, RegisterBase)) {
+ //
+ // Return if can't find the Serial Port Info Hob with enough length
+ //
+ return EFI_NOT_FOUND;
+ }
+
+ Status = PcdSetBoolS (PcdSerialUseMmio, SerialPortInfo->UseMmio);
+ if (RETURN_ERROR (Status)) {
+ return Status;
+ }
+ Status = PcdSet64S (PcdSerialRegisterBase, SerialPortInfo->RegisterBase);
+ if (RETURN_ERROR (Status)) {
+ return Status;
+ }
+ Status = PcdSet32S (PcdSerialRegisterStride, SerialPortInfo->RegisterStride);
+ if (RETURN_ERROR (Status)) {
+ return Status;
+ }
+ Status = PcdSet32S (PcdSerialBaudRate, SerialPortInfo->BaudRate);
+ if (RETURN_ERROR (Status)) {
+ return Status;
+ }
+ Status = PcdSet64S (PcdUartDefaultBaudRate, SerialPortInfo->BaudRate);
+ if (RETURN_ERROR (Status)) {
+ return Status;
+ }
+
+ return RETURN_SUCCESS;
+ }
+
+ return EFI_NOT_FOUND;
+}
diff --git a/UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.inf b/UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.inf new file mode 100644 index 0000000000..41e05ddf54 --- /dev/null +++ b/UefiPayloadPkg/Library/UniversalPayloadPlatformHookLib/PlatformHookLib.inf @@ -0,0 +1,41 @@ +## @file
+# Platform Hook Library instance for UART device for Universal Payload.
+#
+# Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = PlatformHookLib
+ FILE_GUID = 807E05AB-9411-429F-97F0-FE425BF6B094
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = PlatformHookLib
+ CONSTRUCTOR = PlatformHookSerialPortInitialize
+
+[Sources]
+ PlatformHookLib.c
+
+[LibraryClasses]
+ PcdLib
+ BaseLib
+ HobLib
+ DxeHobListLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ UefiPayloadPkg/UefiPayloadPkg.dec
+
+[Guids]
+ gUniversalPayloadSerialPortInfoGuid
+
+[Pcd]
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio ## PRODUCES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase ## PRODUCES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialBaudRate ## PRODUCES
+ gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride ## PRODUCES
+ gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate ## PRODUCES
|