diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2017-03-07 14:02:23 +0530 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-03-28 16:38:42 +0200 |
| commit | 03e971cd23e96b9293fc3ecc420f56ad91326cd9 (patch) | |
| tree | 722243549211ec6204f190f1d2c1d825d41aa466 /src/soc/intel/skylake/Kconfig | |
| parent | 0637e567e13adab5b204a33fc57a54f437761f3f (diff) | |
soc/intel/common/block: Add cache as ram init and teardown code
Create sample model for common car init and teardown programming.
TEST=Booted Reef, KCRD/EVE, GLKRVP with CAR_CQOS, CAR_NEM_ENHANCED
and CAR_NEM configs till post code 0x2a.
Change-Id: Iffd0c3e3ca81a3d283d5f1da115222a222e6b157
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/18381
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/intel/skylake/Kconfig')
| -rw-r--r-- | src/soc/intel/skylake/Kconfig | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig index a56d0444de..ebdcbe3a24 100644 --- a/src/soc/intel/skylake/Kconfig +++ b/src/soc/intel/skylake/Kconfig @@ -255,6 +255,32 @@ config NHLT_MAX98927 help Include DSP firmware settings for max98927 amplifier. +choice + prompt "Cache-as-ram implementation" + default CAR_NEM_ENHANCED + help + This option allows you to select how cache-as-ram (CAR) is set up. + +config CAR_NEM_ENHANCED + bool "Enhanced Non-evict mode" + select SOC_INTEL_COMMON_BLOCK_CAR + select INTEL_CAR_NEM_ENHANCED + help + A current limitation of NEM (Non-Evict mode) is that code and data sizes + are derived from the requirement to not write out any modified cache line. + With NEM, if there is no physical memory behind the cached area, + the modified data will be lost and NEM results will be inconsistent. + ENHANCED NEM guarantees that modified data is always + kept in cache while clean data is replaced. + +config USE_SKYLAKE_FSP_CAR + bool "Use FSP CAR" + select FSP_CAR + help + Use FSP APIs to initialize & tear Down the Cache-As-Ram. + +endchoice + config SKIP_FSP_CAR bool "Skip cache as RAM setup in FSP" default y |