tree 3c6138c2f655b72fa80f2711fd1447e34e78942a
parent 0c32182dbacf5bbb454019cf8ed1a1192b52a225
author Shreesh Chhabbi <shreesh.chhabbi@intel.corp-partner.google.com> 1604606789 -0800
committer Furquan Shaikh <furquan@google.com> 1605127471 +0000

mb/google/volteer: Configure IA32_L3_MASK_x MSRs for L3 CQOS

Selecting USE_CAR_NEM_ENHANCED_V1 as of now. This selection in Kconfig
programs IA32_L3_MASK_1 (0xc91) & IA32_L3_MASK_2 (0xc92). These will
select ways for eviction & non-eviction. TGL will have to switch back
to USE_CAR_NEM_ENHANCED_V2 once the IA32_L3_SF_MASK_1 (0x1891) &
IA32_L3_SF_MASK_2 (0x1892) programming requirements are understood.

Bug=b:171601324
BRANCH=volteer
Test=Build coreboot for volteer. Boot on SKU that has 4MB L3 cache.

Change-Id: Ifc77856e26ab26f9fbb2693f70c751f43337421b
Signed-off-by: Shreesh Chhabbi <shreesh.chhabbi@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47258
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>