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authorShelley Chen <shchen@chromium.org>2018-01-31 15:57:43 -0800
committerShelley Chen <shchen@google.com>2018-02-06 03:01:01 +0000
commitc12dff9098fb4023b878102fd5eecdb10c37fcdb (patch)
treec78328e56a1cd6d07ab901f95e4d0538915cc70d /src/mainboard/ibase
parentc4f94b1a7514b58388d347e79575b547eb82d08f (diff)
mb/google/fizz: Determine PsysPl3 and Pl4 values
Pass in fizz-specific adapter-based PsysPl3 and Pl4 values to avoid brownouts. According to Intel doc #560604, page 74, the max time window is 64ms (code=6) and the min duty cycle we can set is 4%. BUG=b:71594855 BRANCH=None TEST=Boot to OS and check MSRs using iotools for expected values Change-Id: I06a4c5bc25f6ec036b79f6941f80e26058d64930 Signed-off-by: Shelley Chen <shchen@chromium.org> Reviewed-on: https://review.coreboot.org/23528 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
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