can you explain more in commit message why HPET may fail? > -----Original Message----- > From: Cheng-Chieh Huang <chengch...@google.com> > Sent: Monday, August 23, 2021 2:33 PM > To: devel@edk2.groups.io > Cc: Cheng-Chieh Huang <chengch...@google.com>; Dong, Guo > <guo.d...@intel.com>; Schaefer, Daniel > <daniel.schae...@hpe.com>; Trammell Hudson <hud...@trmm.net>; Ma, Maurice > <maurice...@intel.com>; You, Benjamin > <benjamin....@intel.com>; Ni, Ray <ray...@intel.com> > Subject: [PATCH v3 2/4] UefiPayloadPkg: Use legacy timer in Linuxboot payload > > HPET timer may fail to init after prior linux taking over. > > Signed-off-by: Cheng-Chieh Huang <chengch...@google.com> > Reviewed-by: Guo Dong <guo.d...@intel.com> > Cc: Cheng-Chieh Huang <chengch...@google.com> > Cc: Daniel Schaefer <daniel.schae...@hpe.com> > Cc: Trammell Hudson <hud...@trmm.net> > Cc: Maurice Ma <maurice...@intel.com> > Cc: Guo Dong <guo.d...@intel.com> > Cc: Benjamin You <benjamin....@intel.com> > Cc: Ray Ni <ray...@intel.com> > --- > UefiPayloadPkg/UefiPayloadPkg.dsc | 6 ++++++ > UefiPayloadPkg/UefiPayloadPkg.fdf | 5 +++++ > 2 files changed, 11 insertions(+) > > diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc > b/UefiPayloadPkg/UefiPayloadPkg.dsc > index 54576ba485b7..e56e6f4a5379 100644 > --- a/UefiPayloadPkg/UefiPayloadPkg.dsc > +++ b/UefiPayloadPkg/UefiPayloadPkg.dsc > @@ -438,7 +438,13 @@ [Components.X64] > > NULL|MdeModulePkg/Library/BootMaintenanceManagerUiLib/BootMaintenanceManagerUiLib.inf > } > > +!if $(BOOTLOADER) == "LINUXBOOT" > + OvmfPkg/8254TimerDxe/8254Timer.inf > + OvmfPkg/8259InterruptControllerDxe/8259.inf > +!else > PcAtChipsetPkg/HpetTimerDxe/HpetTimerDxe.inf > +!endif > + > MdeModulePkg/Universal/Metronome/Metronome.inf > MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf > MdeModulePkg/Core/RuntimeDxe/RuntimeDxe.inf > diff --git a/UefiPayloadPkg/UefiPayloadPkg.fdf > b/UefiPayloadPkg/UefiPayloadPkg.fdf > index 041fed842cd8..f57a8b4bf3d3 100644 > --- a/UefiPayloadPkg/UefiPayloadPkg.fdf > +++ b/UefiPayloadPkg/UefiPayloadPkg.fdf > @@ -101,7 +101,12 @@ [FV.DXEFV] > INF UefiCpuPkg/CpuDxe/CpuDxe.inf > INF MdeModulePkg/Universal/BdsDxe/BdsDxe.inf > INF MdeModulePkg/Application/UiApp/UiApp.inf > +!if $(BOOTLOADER) != "LINUXBOOT" > INF PcAtChipsetPkg/HpetTimerDxe/HpetTimerDxe.inf > +!else > +INF OvmfPkg/8254TimerDxe/8254Timer.inf > +INF OvmfPkg/8259InterruptControllerDxe/8259.inf > +!endif > INF MdeModulePkg/Universal/Metronome/Metronome.inf > INF MdeModulePkg/Universal/WatchdogTimerDxe/WatchdogTimer.inf > INF MdeModulePkg/Core/RuntimeDxe/RuntimeDxe.inf > -- > 2.33.0.rc2.250.ged5fa647cd-goog
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