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soc/intel/apollolake: Enable and Lock AES feature register

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Configure MPinit feature register during boot and s3 resume.
Enable and Lock Advanced Encryption Standard (AES-NI) feature.

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

Change-Id: Id16f62ec4e7463a466c43d67f2b03e07e324fa93
Signed-off-by: Venkateswarlu Vinjamuri <venkateswarlu.v.vinjamuri@intel.com>
Reviewed-on: https://review.coreboot.org/17396
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Nelson, Cole
2016-11-11 14:17:37 -08:00
committed by Aaron Durbin
parent e34e178ca3
commit 1cf5b87f48
2 changed files with 9 additions and 0 deletions
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6
src/soc/intel/apollolake/cpu.c
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@ -43,6 +43,12 @@ static const struct reg_script core_msr_script[] = {
REG_MSR_RMW(MSR_POWER_CTL, ~0x2, 0),
/* Disable support for MONITOR and MWAIT instructions */
REG_MSR_RMW(MSR_IA32_MISC_ENABLES, ~MONITOR_MWAIT_DIS_MASK, 0),
/*
* Enable and Lock the Advanced Encryption Standard (AES-NI)
* feature register
*/
REG_MSR_RMW(MSR_FEATURE_CONFIG, ~FEATURE_CONFIG_RESERVED_MASK,
FEATURE_CONFIG_LOCK),
REG_SCRIPT_END
};