bade7f423b
According to Arm Server Base Boot Requirements,
Platform Design Document version 1.2 revision D,
September 2, 2019, section '4.2.1.8 SPCR'; The
SPCR console device must be included in the DSDT.
Additionally, it is often desirable to describe the
serial ports available on a platform so that they
are available for use by a rich OS.
To facilitate the description of serial ports on a
platform a common SSDT Serial Port Fixup library is
introduced. It provides interfaces to build a SSDT
serial port definition block table based on the
serial port information.
The SSDT Serial Port Fixup library is used by the
SPCR, DBG2 and SSDT Serial Port generator to describe
the serial port information in a definition block.
+------------+ +------------+ +------------+
| SPCR Gen | | DBG2 Gen | | SERIAL Gen |
+------------+ +------------+ +------------+
+----------------------------------+
| SSDT Serial Port Fixup library |
+----------------------------------+
The SSDT Serial Port Fixup library:
- Parses the SSDT Serial Port template using the
AmlLib library to generate an AML tree.
- Updates the _UID, _HID and _CID values.
- Fixes up the Serial port base address, length
and the interrupt number in the _CRS descriptor.
- Fixes up the serial-port name.
- Serialises the AML Tree to a buffer containing
the definition block data.
The definition block data is then installed by the
corresponding table generator.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
## @file
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# dec file for Dynamic Tables Framework.
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#
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# Copyright (c) 2017 - 2020, Arm Limited. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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##
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[Defines]
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DEC_SPECIFICATION = 0x00010005
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PACKAGE_NAME = DynamicTablesPkg
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PACKAGE_GUID = 188EB346-8ABA-460E-A105-0F9D76F7324A
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PACKAGE_VERSION = 1.0
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[Includes]
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Include
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[LibraryClasses]
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## @libraryclass Defines a set of APIs for Dynamic AML generation.
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AmlLib|Include/Library/AmlLib/AmlLib.h
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## @libraryclass Defines a set of methods for fixing up a SSDT Serial Port.
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SsdtSerialPortFixupLib|Include/Library/SsdtSerialPortFixupLib.h
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## @libraryclass Defines a set of helper methods.
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TableHelperLib|Include/Library/TableHelperLib.h
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[Protocols]
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# Configuration Manager Protocol GUID
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gEdkiiConfigurationManagerProtocolGuid = { 0xd85a4835, 0x5a82, 0x4894, { 0xac, 0x2, 0x70, 0x6f, 0x43, 0xd5, 0x97, 0x8e } }
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# Dynamic Table Factory Protocol GUID
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gEdkiiDynamicTableFactoryProtocolGuid = { 0x91d1e327, 0xfe5a, 0x49b8, { 0xab, 0x65, 0xe, 0xce, 0x2d, 0xdb, 0x45, 0xec } }
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[PcdsFixedAtBuild]
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# Maximum number of Custom ACPI Generators
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxCustomACPIGenerators|1|UINT16|0xC0000001
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# Maximum number of Custom SMBIOS Generators
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxCustomSMBIOSGenerators|1|UINT16|0xC0000002
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# Maximum number of Custom DT Generators
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxCustomDTGenerators|1|UINT16|0xC0000003
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