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Diffstat (limited to 'src/soc/intel/common/block/cpu/Kconfig')
| -rw-r--r-- | src/soc/intel/common/block/cpu/Kconfig | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cpu/Kconfig b/src/soc/intel/common/block/cpu/Kconfig new file mode 100644 index 0000000000..7b78c53ea7 --- /dev/null +++ b/src/soc/intel/common/block/cpu/Kconfig @@ -0,0 +1,32 @@ +config SOC_INTEL_COMMON_BLOCK_CAR + bool + default n + help + This option allows you to select how cache-as-ram (CAR) is set up. + +config INTEL_CAR_NEM + bool + default n + help + Traditionally, CAR is set up by using Non-Evict mode. This method + does not allow CAR and cache to co-exist, because cache fills are + blocked in NEM. + +config INTEL_CAR_CQOS + bool + default n + help + Cache Quality of Service allows more fine-grained control of cache + usage. As result, it is possible to set up a portion of L2 cache for + CAR and use the remainder for actual caching. + +config INTEL_CAR_NEM_ENHANCED + bool + default n + 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. |