diff options
| author | marxwang <marx.wang@intel.com> | 2018-09-11 12:08:23 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-09-21 14:30:52 +0000 |
| commit | 5b5656565ba4046f7d7fdc61d9fc79a1f67993be (patch) | |
| tree | fddb6f6e5e3969c1f5a48deda8a027e02ccdea89 | |
| parent | eaca95eaf4cf074818e8e1bfa18f0b137143cc89 (diff) | |
| download | coreboot-5b5656565ba4046f7d7fdc61d9fc79a1f67993be.tar.xz | |
mb/google/poppy/variants/rammus: Disable command TriState for rammus
This patch sets the MRC UPD "CmdTriStateDis" to disable TriState for
the rammus boards. Rammus is LPDDR3 design without RTT for CMD/CTRL.
BUG=none
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: Iee115f49ba5b36dc5b0425e9da02b58cd19b2236
Signed-off-by: Marx Wang <marx.wang@intel.com>
Reviewed-on: https://review.coreboot.org/28568
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/mainboard/google/poppy/variants/rammus/devicetree.cb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb index 3478744137..7b851ac811 100644 --- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb +++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb @@ -27,6 +27,9 @@ chip soc/intel/skylake # Enable S0ix register "s0ix_enable" = "1" + # Disable Command TriState + register "CmdTriStateDis" = "1" + # FSP Configuration register "ProbelessTrace" = "0" register "EnableLan" = "0" |