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authorMaulik V Vaghela <maulik.v.vaghela@intel.com>2021-01-06 11:13:07 +0530
committerKarthik Ramasubramanian <kramasub@google.com>2021-01-08 07:41:20 +0000
commit7e06a9044a3da814ce3a3e99532d064170fd5521 (patch)
tree43f265324a894e58d3f5cf781424eed39267b9e0 /src/southbridge/amd/pi
parent2e424ff2d726a87632196c73d26666018bc3797a (diff)
mb/google/dedede: Enable "FastPkgCRampDisable" upd for noise mitigation
As part of acoustic noise mitigation calibration, we need to enable FastPkgCRampDisable upd along with slew rate = 1. This values has been derived based on noise calibration done. Please refer document 575216 for procedure. BUG=None BRANCH=dedede TEST=correct value has been programmed and slew rate measurement is correct on scope. Change-Id: Ie42c8ab647ff42fa043b6f717a9834f9b9c551f6 Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/49134 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Reviewed-by: Evan Green <evgreen@chromium.org>
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