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mb/google/skyrim/var/markarth: set dxio_tx_vboost_enable 

Turn on the dxio_tx_vboost_enable for markarth in coreboot.

It needs to confirm the PCIe Signal Integrity after enabled.

BUG=b:263534907, b:263216451
BRANCH=none
TEST=emerge-skyrim coreboot chromeos-bootimage

Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Change-Id: I0798c1d9788e1911c2643bf387722b072aa79045
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71931
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: John Su <john_su@compal.corp-partner.google.com>
Reviewed-by: Chao Gui <chaogui@google.com>
This commit is contained in:
Frank Wu 2023-01-16 16:06:06 +08:00 committed by Eric Lai
parent 16d6d66094
commit 89a269af9d
1 changed files with 3 additions and 0 deletions
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3
src/mainboard/google/skyrim/variants/markarth/overridetree.cb
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@ -3,6 +3,9 @@
chip soc/amd/mendocino chip soc/amd/mendocino
device domain 0 on device domain 0 on
register "dxio_tx_vboost_enable" = "1"
device ref gpp_bridge_1 on device ref gpp_bridge_1 on
# Required so the NVMe gets placed into D3 when entering S0i3. # Required so the NVMe gets placed into D3 when entering S0i3.
chip drivers/pcie/rtd3/device chip drivers/pcie/rtd3/device