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This is a fix for https://github.com/pftf/RPi4/issues/114. Changes: 1. Add a setup option called BootPolicy and consume the setting during boot to decide whether to perform or skip ConnectAll. 2. The Default setting is set to Full discovery because it is not worth enabling Fast boot by default on RaspberryPi systems. Enabling it just saves boot time about 1 second, but caused a lot of issues. Testing Done: - Booted to Standalone UEFI shell on SD card and use drivers command to check the result with Fast Boot and Full discovery settings. Then, child/device handles are created as expected. Note and to-do items: - The root cause looks like that boot loaders and some tools like grub and iPXE haven't supported selective connect/Fast boot. However, system firmware should still provide a setup option for user to enable Fast boot with old version boot loaders and tools, which is why we proposed this change. We will also report this issue to boot loader and tool vendors/open source GitHubs. - We will add more options for connecting specific type devices so that we can still have the shortest boot time for all use cases. Cc: Jeremy Linton <jeremy.linton@arm.com> Cc: Sami Mujawar <sami.mujawar@arm.com> Link: https://github.com/pftf/RPi4/issues/144 Link: https://github.com/pftf/RPi4/issues/114 Signed-off-by: Sunny Wang <sunny.wang@arm.com> Acked-by: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com> Reviewed-by: Pete Batard <pete@akeo.ie>
85 lines
2.2 KiB
INI
85 lines
2.2 KiB
INI
#/** @file
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#
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# Copyright (c) 2017-2018, Andrei Warkentin <andrey.warkentin@gmail.com>
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# Copyright (c) 2016, Linaro Ltd. All rights reserved.
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# Copyright (c) 2015-2016, Red Hat, Inc.
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# Copyright (c) 2014, ARM Ltd. All rights reserved.
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# Copyright (c) 2007-2014, Intel Corporation. All rights reserved.
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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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INF_VERSION = 0x0001001A
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BASE_NAME = PlatformBootManagerLib
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FILE_GUID = 92FD2DE3-B9CB-4B35-8141-42AD34D73C9F
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MODULE_TYPE = DXE_DRIVER
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VERSION_STRING = 1.0
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LIBRARY_CLASS = PlatformBootManagerLib|DXE_DRIVER
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = AARCH64
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#
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[Sources]
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PlatformBm.h
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PlatformBm.c
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[Packages]
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MdeModulePkg/MdeModulePkg.dec
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MdePkg/MdePkg.dec
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ShellPkg/ShellPkg.dec
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Platform/RaspberryPi/RaspberryPi.dec
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[LibraryClasses]
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BaseLib
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BaseMemoryLib
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BootLogoLib
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CapsuleLib
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DebugLib
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DevicePathLib
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DxeServicesLib
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HobLib
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MemoryAllocationLib
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PcdLib
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PrintLib
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UefiBootManagerLib
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UefiBootServicesTableLib
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UefiLib
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[FeaturePcd]
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gEfiMdePkgTokenSpaceGuid.PcdUgaConsumeSupport
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[FixedPcd]
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultBaudRate
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultDataBits
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultParity
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gEfiMdePkgTokenSpaceGuid.PcdUartDefaultStopBits
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gEfiMdePkgTokenSpaceGuid.PcdDefaultTerminalType
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[Pcd]
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gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut
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gRaspberryPiTokenSpaceGuid.PcdSdIsArasan
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gRaspberryPiTokenSpaceGuid.PcdBootPolicy
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[Guids]
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gEfiFileInfoGuid
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gEfiFileSystemInfoGuid
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gEfiFileSystemVolumeLabelInfoIdGuid
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gEfiEndOfDxeEventGroupGuid
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gEfiTtyTermGuid
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gUefiShellFileGuid
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gEfiEventExitBootServicesGuid
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[Protocols]
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gEfiDevicePathProtocolGuid
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gEfiGraphicsOutputProtocolGuid
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gEfiLoadedImageProtocolGuid
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gEfiPciRootBridgeIoProtocolGuid
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gEfiSimpleFileSystemProtocolGuid
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gEsrtManagementProtocolGuid
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gEfiUsb2HcProtocolGuid
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