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mb/google/volteer/variants/terrador: Enable Cmd Mirror 

Enable CmdMirror for Terrador to achieve optimum routing from SoC to
DRAMs

BUG=b:156435028
BRANCH=none
TEST=FW_NAME=terrador emerge-volteer coreboot chromeos-bootimage

Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: I0db9fff0dddf35c99a6cb2a90d40886ed8e18686
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42274
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
David Wu 2020-06-11 13:59:34 +08:00 committed by Patrick Georgi
parent 63ce260a3e
commit 3f7a52f00e
1 changed files with 5 additions and 0 deletions
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5
src/mainboard/google/volteer/variants/terrador/overridetree.cb
View File

@ -1,4 +1,9 @@
chip soc/intel/tigerlake chip soc/intel/tigerlake
# BitMask where bits [3:0] are Controller 0 Channel [3:0] and
# bits [7:4] are Controller 1 Channel [3:0].
# Enable Command Mirroring for controller 0 channel 0 and 1,
# and controller 1 channel 0 and 1.
register "CmdMirror" = "0x00000033"
device domain 0 on device domain 0 on
device pci 15.1 on device pci 15.1 on
chip drivers/i2c/hid chip drivers/i2c/hid