OK. I see. I am fine with that.

Reviewed-by: Ray Ni <ray.ni@intel.com>

> -----Original Message-----
> From: Guo, Gua <gua.guo@intel.com>
> Sent: Tuesday, December 20, 2022 9:33 AM
> To: Ni, Ray <ray.ni@intel.com>; Liu, KasimX <kasimx.liu@intel.com>; devel@edk2.groups.io
> Cc: Dong, Guo <guo.dong@intel.com>; Lu, James <james.lu@intel.com>
> Subject: RE: [PATCH v2] PcAtChipsetPkg: Move RTC PCD to dynamic PCD
>
> The goal reduce macro requirement to build UniversalPayloadBuild.py.
>
> For UPL: UefiPayloadPkg dynamic to set PCD based on UPL defined HOB.
>
> For PPL: These PCDs on PPL (Booloader) will keep on FixedAtBuild and generate HOB data.
>
> So the change is move these PCD have compatibility FixedAtBuild only to FixedAtBuild + Dynamic.
>
> Thanks,
> Gua Guo
>
> -----Original Message-----
> From: Ni, Ray <ray.ni@intel.com>
> Sent: Monday, December 19, 2022 3:43 PM
> To: Liu, KasimX <kasimx.liu@intel.com>; devel@edk2.groups.io
> Cc: Dong, Guo <guo.dong@intel.com>; Lu, James <james.lu@intel.com>; Guo, Gua <gua.guo@intel.com>
> Subject: RE: [PATCH v2] PcAtChipsetPkg: Move RTC PCD to dynamic PCD
>
> The initial goal was to remove dynamic PCD dependency from bootloader.
> Is that still the goal?
> If yes, maybe depending on dynamic PCD is not a good idea.
>
> Thanks,
> Ray
>
> > -----Original Message-----
> > From: Liu, KasimX <kasimx.liu@intel.com>
> > Sent: Monday, December 19, 2022 3:40 PM
> > To: devel@edk2.groups.io
> > Cc: Liu, KasimX <kasimx.liu@intel.com>; Dong, Guo
> > <guo.dong@intel.com>; Ni, Ray <ray.ni@intel.com>; Lu, James
> > <james.lu@intel.com>; Guo, Gua <gua.guo@intel.com>
> > Subject: [PATCH v2] PcAtChipsetPkg: Move RTC PCD to dynamic PCD
> >
> > From: KasimX Liu <kasimx.liu@intel.com>
> >
> > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4193
> >
> > In order to remove RTC_INDEX/RTC_TARGET from the UplBuild macro
> > list,change the RTC_INDEX /RTC_TARGET type from PcdsFixedAtBuild to
> > PcdsDynamicEx
> >
> > Cc: Guo Dong <guo.dong@intel.com>
> > Cc: Ray Ni <ray.ni@intel.com>
> > Cc: James Lu <james.lu@intel.com>
> > Cc: Gua Guo <gua.guo@intel.com>
> > Signed-off-by: KasimX Liu <kasimx.liu@intel.com>
> > ---
> >  PcAtChipsetPkg/PcAtChipsetPkg.dec | 16 ++++++++--------
> >  1 file changed, 8 insertions(+), 8 deletions(-)
> >
> > diff --git a/PcAtChipsetPkg/PcAtChipsetPkg.dec
> > b/PcAtChipsetPkg/PcAtChipsetPkg.dec
> > index ed2d95550b..a53ca777e8 100644
> > --- a/PcAtChipsetPkg/PcAtChipsetPkg.dec
> > +++ b/PcAtChipsetPkg/PcAtChipsetPkg.dec
> > @@ -84,6 +84,14 @@
> >    # @Prompt RTC Target Register address
> >
> >
> > gPcAtChipsetPkgTokenSpaceGuid.PcdRtcTargetRegister64|0x0|UINT64|0x0000
> > 0023
> >
> >
> >
> > +  ## Specifies RTC Index Register address in I/O space.
> >
> > +  # @Prompt RTC Index Register address
> >
> > +
> > + gPcAtChipsetPkgTokenSpaceGuid.PcdRtcIndexRegister|0x70|UINT8|0x00000
> > + 01E
> >
> > +
> >
> > +  ## Specifies RTC Target Register address in I/O space.
> >
> > +  # @Prompt RTC Target Register address
> >
> > +
> > + gPcAtChipsetPkgTokenSpaceGuid.PcdRtcTargetRegister|0x71|UINT8|0x0000
> > + 001F
> >
> > +
> >
> >  [PcdsFixedAtBuild, PcdsPatchableInModule]
> >
> >    ## Defines the ACPI register set base address.
> >
> >    #  The invalid 0xFFFF is as its default value. It must be configured to the real value.
> >
> > @@ -146,14 +154,6 @@
> >    # @Prompt Initial value for Register_D in RTC.
> >
> >
> > gPcAtChipsetPkgTokenSpaceGuid.PcdInitialValueRtcRegisterD|0x00|UINT8|0
> > x0000001D
> >
> >
> >
> > -  ## Specifies RTC Index Register address in I/O space.
> >
> > -  # @Prompt RTC Index Register address
> >
> > -
> > gPcAtChipsetPkgTokenSpaceGuid.PcdRtcIndexRegister|0x70|UINT8|0x0000001
> > E
> >
> > -
> >
> > -  ## Specifies RTC Target Register address in I/O space.
> >
> > -  # @Prompt RTC Target Register address
> >
> > -
> > gPcAtChipsetPkgTokenSpaceGuid.PcdRtcTargetRegister|0x71|UINT8|0x000000
> > 1F
> >
> > -
> >
> >    ## RTC Update Timeout Value(microsecond).
> >
> >    # @Prompt RTC Update Timeout Value.
> >
> >
> > gPcAtChipsetPkgTokenSpaceGuid.PcdRealTimeClockUpdateTimeout|100000|UIN
> > T32|0x00000020
> >
> > --
> > 2.32.0.windows.2