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authorVidya Gopalakrishnan <vidya.gopalakrishnan@intel.com>2022-06-20 16:31:05 +0530
committerFelix Held <felix-coreboot@felixheld.de>2022-06-29 13:58:30 +0000
commitdc1c7807049ffccb0d13bbdf1f2630e28929d6fd (patch)
tree470ccb0dd8f082d53fde382aaaa3c7e68159a083 /src/soc
parent0092c1534486c3bf77277bda9eb4b736efe11e2d (diff)
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mb/google/brya/variants/nivviks: Enable DDR RFIM Policy for Nivviks
DDR interfaces emit electromagnetic radiation which can couple to the antennas of various radios that are integrated in the system, and cause radio frequency interference (RFI). The DDR Radio Frequency Interference Mitigation (DDR RFIM) feature is primarily aimed at resolving narrowband RFI from DDR4/5 and LPDDR4/5 technologies for the Wi-Fi high and ultra-high bands (~5-7 GHz). This patch sets CnviDdrRfim UPD and enables CNVI DDR RFIM feature for Nivviks variant. Refer to Intel doc:640438 and doc:690608 for more details. BUG=b:237238786 BRANCH=None TEST=Build and boot Nivviks. - Verified that Wifi DDR RFIM Feature is enabled and DDR RFI table can be modified. Signed-off-by: Vidya Gopalakrishnan <vidya.gopalakrishnan@intel.com> Change-Id: Iea5c6e0c404efb8231321701ea9282347e01f75d Reviewed-on: https://review.coreboot.org/c/coreboot/+/65254 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
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