Change in coreboot[master]: mb/google/poppy: Set UPD CmdTriStateDis for Atlas

[Caveh Jalali (Code Review)]

Hello caveh jalali,

I'd like you to do a code review. Please visit

https://review.coreboot.org/28540

to review the following change.

Change subject: mb/google/poppy: Set UPD CmdTriStateDis for Atlas
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mb/google/poppy: Set UPD CmdTriStateDis for Atlas

This patch sets the MRC UPD CmdTriStateDis for the atlas boards.
Atlas is a LPDDR3 design without RTT for CMD/CTRL.

The original change for
nocturne is I0f593761dcbd121e7e758421af178931b9d78295

BUG=b:111812662

Change-Id: I45b6dd22412c689c8db64f4650e9fa9e87dec2ec
Signed-off-by: Caveh Jalali 
---
M src/mainboard/google/poppy/variants/atlas/devicetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/40/28540/1

diff --git a/src/mainboard/google/poppy/variants/atlas/devicetree.cb b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
index 968faef..dc54099 100644
--- a/src/mainboard/google/poppy/variants/atlas/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
@@ -27,6 +27,9 @@
    # Enable S0ix
    register "s0ix_enable" = "1"

+	# Disable Command TriState
+	register "CmdTriStateDis" = "1"
+
    # FSP Configuration
    register "ProbelessTrace" = "0"
    register "EnableLan" = "0"