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UPSTREAM: soc/intel/apollolake: Disable Monitor and Mwait feature

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Monitor/Mwait is broken on APL. So, it needs to be disabled.

BUG=chrome-os-partner:56922
BRANCH=None
TEST=None

Signed-off-by: Venkateswarlu Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Reviewed-on: https://review.coreboot.org/17200
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)

Change-Id: I12cd4280de62e0a639b43538171660ee4c0a0265
Reviewed-on: https://chromium-review.googlesource.com/407179
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Venkateswarlu Vinjamuri 2016-10-31 17:03:55 -07:00 • committed by chrome-bot
commit 651cf11ff7
2 changed files with 6 additions and 0 deletions
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3
src/include/cpu/intel/turbo.h
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@ -21,6 +21,9 @@
#define PM_CAP_TURBO_MODE (1 << 1)
#define MSR_IA32_MISC_ENABLES 0x1a0
/* Disable the Monitor Mwait FSM feature */
#define MONITOR_MWAIT_DIS_MASK 0x40000
#define H_MISC_DISABLE_TURBO (1 << 6)
enum {