diff options
| author | Michael Niewöhner <foss@mniewoehner.de> | 2021-09-24 23:42:14 +0200 |
|---|---|---|
| committer | Michael Niewöhner <foss@mniewoehner.de> | 2021-10-17 13:59:26 +0000 |
| commit | 413810e55ff307d998ace4e16145ab71e939e85a (patch) | |
| tree | 61f46c3ceedc2021de0ae349c0f619235a355eb9 /src/soc/intel/common/block | |
| parent | 0e905801f8ff6c10b20625e31d851920b3f4c4f2 (diff) | |
soc/intel/*: only enable PM Timer emulation if the PM Timer is disabled
uCode PM Timer emulation is only needed when the hardware PM ACPI timer
is disabled. Also, since it redirects any register accesses to uCode,
it overrides the hardware PM Timer. Thus, only enable emulation
when required.
Change-Id: I60a775bd6eb4206750f606ce8a8777d2e2dfb579
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57930
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/soc/intel/common/block')
| -rw-r--r-- | src/soc/intel/common/block/cpu/pm_timer_emulation.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/intel/common/block/cpu/pm_timer_emulation.c b/src/soc/intel/common/block/cpu/pm_timer_emulation.c index 0436e04634..3c61998515 100644 --- a/src/soc/intel/common/block/cpu/pm_timer_emulation.c +++ b/src/soc/intel/common/block/cpu/pm_timer_emulation.c @@ -11,7 +11,7 @@ void enable_pm_timer_emulation(void) { msr_t msr; - if (!CONFIG_CPU_XTAL_HZ) + if (CONFIG(USE_PM_ACPI_TIMER) || !CONFIG_CPU_XTAL_HZ) return; /* |