[edk2-devel] [edk2-platforms][PATCH V1 00/17] Enable idle state and CPPC support for RD platform
Pranav Madhu
pranav.madhu at arm.com
Wed Apr 28 12:35:43 UTC 2021
Low Power Idle (LPI) and Collaborative Processor Performance Control
(CPPC) are two power management mechanisms described in ACPI 6.4
specification. OSPM uses the _LPI object to select a local power state
for each level of processor hierarchy in the system. Collaborative
processor performance control (CPPC) defines an abstracted and flexible
mechanism for OSPM to collaborate with an entity in the platform to
manage the performance of a processor. In this patch series, CPPC
support depends on the availability of Activity Monitor Unit (AMU)
extension for CPU performance monitoring as defined in the Arm v8.4
architecture reference manuals. So CPPC is supported for RD-V1 and
RD-N2 platforms.
This patch series adds LPI support for all the Neoverse reference
design platforms. CPPC support is added for RD-V1, RD-V1-MC and
RD-N2 platforms.
This patch series should be applied on top of the patch series
https://edk2.groups.io/g/devel/message/74539
Link to github branch with the patches in this series -
https://github.com/Pranav-Madhu/edk2-platforms/tree/topics/rd_power_management
Pranav Madhu (17):
Platform/Sgi: Macro definitions for ACPI _OSC
Platform/Sgi: Add CPU container for SGI-575
Platform/Sgi: Low Power Idle states for SGI-575
Platform/Sgi: Add CPU container for RD-N1-Edge
Platform/Sgi: Low Power Idle states for RD-N1-Edge
Platform/Sgi: Add DSDT ACPI table for RD-N1-Edge dual-chip platform
Platform/Sgi: Low Power Idle States for RD-N1-Edge dual-chip
Platform/Sgi: Add CPU container for RD-V1 platform
Platform/Sgi: Low Power Idle states for RD-V1 platform
Platform/Sgi: Macro definitions for ACPI CPPC
Platform/Sgi: ACPI CPPC support for RD-V1
Platform/Sgi: Add CPU container for RD-V1 quad-chip platform
Platform/Sgi: Low Power Idle States for RD-V1 quad-chip platform
Platform/Sgi: ACPI CPPC support for RD-V1 quad-chip platform
Platform/Sgi: Add CPU container for RD-N2 platform
Platform/Sgi: Low Power Idle States for RD-N2
Platform/Sgi: ACPI CPPC support for RD-N2
.../AcpiTables/RdN1EdgeX2AcpiTables.inf | 2 +-
Platform/ARM/SgiPkg/Include/SgiAcpiHeader.h | 69 +++
.../ARM/SgiPkg/AcpiTables/RdN1Edge/Dsdt.asl | 218 +++++--
.../ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl | 298 ++++++++++
Platform/ARM/SgiPkg/AcpiTables/RdN2/Dsdt.asl | 540 ++++++++++++++++--
Platform/ARM/SgiPkg/AcpiTables/RdV1/Dsdt.asl | 470 +++++++++++++--
.../ARM/SgiPkg/AcpiTables/RdV1Mc/Dsdt.asl | 481 ++++++++++++++--
.../ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl | 215 +++++--
8 files changed, 2072 insertions(+), 221 deletions(-)
create mode 100644 Platform/ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl
--
2.17.1
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