From: Michael Kubacki <michael.kuba...@microsoft.com> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3543
Adds new PCDs to allow the duty width and duty offset values in the FADT to be customized during package integration. Cc: Chasel Chiu <chasel.c...@intel.com> Cc: Nate DeSimone <nathaniel.l.desim...@intel.com> Cc: Liming Gao <gaolim...@byosoft.com.cn> Cc: Eric Dong <eric.d...@intel.com> Signed-off-by: Michael Kubacki <michael.kuba...@microsoft.com> --- Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec index e38617ce20fd..22f371ee1ec8 100644 --- a/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec +++ b/Platform/Intel/MinPlatformPkg/MinPlatformPkg.dec @@ -115,6 +115,21 @@ [PcdsFixedAtBuild, PcdsPatchableInModule] gMinPlatformPkgTokenSpaceGuid.PcdFadtPreferredPmProfile|0x02|UINT8|0x90000025 gMinPlatformPkgTokenSpaceGuid.PcdFadtIaPcBootArch|0x0001|UINT16|0x90000026 gMinPlatformPkgTokenSpaceGuid.PcdFadtFlags|0x000086A5|UINT32|0x90000027 + # + # FADT Duty Offset - The zero-based index of where the processor's duty cycle + # setting is within the processor's P_CNT register. + # + gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyOffset|0x01|UINT8|0x90000028 + # + # FADT Duty Width - The bit width of the processor's duty cycle setting value in the P_CNT + # register. Each processor's duty cycle setting allows the software to select a nominal + # processor frequency below its absolute frequency. A duty width value of zero indicates + # the processor continuously runs at its base frequency. + # + # For more details about how the frequency is calculated, refer to the Fixed ACPI Description + # Table (FADT) section of the ACPI Specification. + # + gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyWidth|0x00|UINT8|0x90000029 gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiAcpiReclaimMemorySize|0x65|UINT32|0x20000500 gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiAcpiNvsMemorySize|0x30|UINT32|0x20000501 -- 2.28.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#88722): https://edk2.groups.io/g/devel/message/88722 Mute This Topic: https://groups.io/mt/90405220/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
