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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Jian, Hao, Can you please push this simple patch? It has been reviewed a while ago an= d ready to be committed. Thanks, --Samer > -----Original Message----- > From: devel@edk2.groups.io On Behalf Of Samer El- > Haj-Mahmoud via groups.io > Sent: Friday, April 10, 2020 11:29 AM > To: devel@edk2.groups.io > Cc: Dandan Bi ; Liming Gao ; > Jian J Wang ; Hao A Wu ; Leif > Lindholm ; Ard Biesheuvel > Subject: [edk2-devel] [edk2][PATCH v2 1/2] MdeModulePkg: > PcdAcpiExposedTableVersions default for Arm64 platforms >=20 > Set the default value of PcdAcpiExposedTableVersions for Aarch64 platfor= ms 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 poi= nter, > 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). >=20 > Cc: Dandan Bi > Cc: Liming Gao > Cc: Jian J Wang > Cc: Hao A Wu > Cc: Leif Lindholm > Cc: Ard Biesheuvel >=20 > Signed-off-by: Samer El-Haj-Mahmoud > Reviewed-by: Ard Biesheuvel > Reviewed-by: Dandan Bi > --- > MdeModulePkg/MdeModulePkg.dec | 3 +++ > 1 file changed, 3 insertions(+) >=20 > 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 >=20 > gEfiMdeModulePkgTokenSpaceGuid.PcdSetupConOutRow|25|UINT32|0x40000 > 00e >=20 > +[PcdsFixedAtBuild.AARCH64, PcdsPatchableInModule.AARCH64] > + > +gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiExposedTableVersions|0x20|UINT > 32| > +0x0001004c > + > [PcdsFixedAtBuild, PcdsPatchableInModule, PcdsDynamic, PcdsDynamicEx] > ## UART clock frequency is for the baud rate configuration. > # @Prompt Serial Port Clock Rate. > -- > 2.17.1 >=20 >=20 >=20