From fe6070f7280cfcc41fffded67789439531e8ab49 Mon Sep 17 00:00:00 2001 From: Michael Niewöhner Date: Sun, 4 Oct 2020 15:16:04 +0200 Subject: soc/intel/common: add Kconfig for PM Timer emulation support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a Kconfig for SoCs to indicate PM ACPI timer emulation support and select it by the appropriate SoCs. This Kconfig gets used in the follow-up changes. Change-Id: I6ded79221a01655f298ff92b8bd2afabd1d2a3ff Signed-off-by: Michael Niewöhner Reviewed-on: https://review.coreboot.org/c/coreboot/+/46017 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- src/soc/intel/common/block/cpu/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/soc/intel/common/block') diff --git a/src/soc/intel/common/block/cpu/Kconfig b/src/soc/intel/common/block/cpu/Kconfig index 995a95680c..9e95a8aa90 100644 --- a/src/soc/intel/common/block/cpu/Kconfig +++ b/src/soc/intel/common/block/cpu/Kconfig @@ -98,3 +98,11 @@ config INTEL_TME /16/Multi-Key-Total-Memory-Encryption-Spec.pdf". If CPU supports TME, it would get enabled. If CPU supports MKTME, this same config option enables MKTME. + +config CPU_SUPPORTS_PM_TIMER_EMULATION + bool + default n + help + Select this if the SoC's ucode supports PM ACPI timer emulation (Common + timer Copy), which is required to be able to disable the TCO PM ACPI + timer for power saving. -- cgit v1.2.3