diff options
| author | Ricky Chang <rickytlchang@google.com> | 2022-11-04 13:22:35 +0000 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-11-08 14:12:47 +0000 |
| commit | feab4a4dff60dd7e3b9406123779144521300041 (patch) | |
| tree | 70fecb590bff908e31ecbbaa7c564febc5b6345a /src/mainboard | |
| parent | c8b9608154522c38dbd47c09aa08585f1b667c05 (diff) | |
mb/google/brask: Disable PCH USB2 phy power gating for brask
The patch disables PCH USB2 Phy power gating to prevent possible display
flicker issue for moli board. Please refer Intel doc#723158 for
more information.
BUG=b:257415959
TEST=Verify the build for brask board
Change-Id: I518e90e9032e8f2186300b6b907cc9d84a1682e4
Signed-off-by: Ricky Chang <rickytlchang@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69272
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb index 0d60a57201..29fb5d076b 100644 --- a/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb +++ b/src/mainboard/google/brya/variants/baseboard/brask/devicetree.cb @@ -1,4 +1,7 @@ chip soc/intel/alderlake + # As per Intel Advisory doc#723158, the change is required to prevent possible + # display flickering issue. + register "usb2_phy_sus_pg_disable" = "1" # GPE configuration register "pmc_gpe0_dw0" = "GPP_A" |