> -----Original Message----- > From: Samer El-Haj-Mahmoud [mailto:sa...@elhajmahmoud.com] > Sent: Friday, April 10, 2020 11:29 PM > To: devel@edk2.groups.io > Cc: Bi, Dandan; Gao, Liming; Wang, Jian J; Wu, Hao A; Leif Lindholm; Ard > Biesheuvel > Subject: [edk2][PATCH v2 1/2] MdeModulePkg: > PcdAcpiExposedTableVersions default for Arm64 platforms > > Set the default value of PcdAcpiExposedTableVersions for Aarch64 > platforms to 0x20. Previously, the default was set to 0x3E for all > platforms. The new value removes ACPI 1.0b compatability, which forces > the use of XSDT 64-bit pointer, as required by Arm SBBR specification. > This also resolves an error reported by acpiview command, as seen on > the RPi (see https://github.com/pftf/RPi4/issues/25). > > Cc: Dandan Bi <dandan...@intel.com> > Cc: Liming Gao <liming....@intel.com> > Cc: Jian J Wang <jian.j.w...@intel.com> > Cc: Hao A Wu <hao.a...@intel.com> > Cc: Leif Lindholm <l...@nuviainc.com> > Cc: Ard Biesheuvel <ard.biesheu...@arm.com> > > Signed-off-by: Samer El-Haj-Mahmoud <sa...@elhajmahmoud.com> > Reviewed-by: Ard Biesheuvel <ard.biesheu...@linaro.org> > Reviewed-by: Dandan Bi <dandan...@intel.com> > --- > MdeModulePkg/MdeModulePkg.dec | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/MdeModulePkg/MdeModulePkg.dec > b/MdeModulePkg/MdeModulePkg.dec > index 497574cb0870..fac16f262cf8 100644 > --- a/MdeModulePkg/MdeModulePkg.dec > +++ b/MdeModulePkg/MdeModulePkg.dec > @@ -1548,6 +1548,9 @@ > # @Prompt Console Output Row of Text Setup > > gEfiMdeModulePkgTokenSpaceGuid.PcdSetupConOutRow|25|UINT32|0x40 > 00000e > > +[PcdsFixedAtBuild.AARCH64, PcdsPatchableInModule.AARCH64] > + > gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiExposedTableVersions|0x20|UI > NT32|0x0001004c > +
Sorry for the slow response. Acked-by: Hao A Wu <hao.a...@intel.com> Best Regards, Hao Wu > [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx] > ## UART clock frequency is for the baud rate configuration. > # @Prompt Serial Port Clock Rate. > -- > 2.17.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#57727): https://edk2.groups.io/g/devel/message/57727 Mute This Topic: https://groups.io/mt/72923682/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-