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mb/google/poppy: Set UPD CmdTriStateDis for Nocturne

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This patch sets the MRC UPD CmdTriStateDis for the
nocturne boards.Nocturne is LPDDR3 design without RTT
for CMD/CTRL.

BUG=b:111812662
TEST=Run memtester app and also webgl fishtank on
     the LPDDR3 kabylake boards and also check the
     margin data is proper in FSP.

Change-Id: I0f593761dcbd121e7e758421af178931b9d78295
Signed-off-by: Shaunak Saha <shaunak.saha@intel.com>
Reviewed-on: https://review.coreboot.org/28379
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Shaunak Saha 2018-08-28 15:46:01 -07:00 committed by Patrick Georgi
parent ef250c47e4
commit 261d626669
1 changed files with 3 additions and 0 deletions
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3
src/mainboard/google/poppy/variants/nocturne/devicetree.cb
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@ -29,6 +29,9 @@ chip soc/intel/skylake
# Enable S0ix
register "s0ix_enable" = "1"
# Disable Command TriState
register "CmdTriStateDis" = "1"
# FSP Configuration
register "ProbelessTrace" = "0"
register "EnableLan" = "0"