Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/42328 )
Change subject: mb/google/zork: Disable UART 1, 2 and 3 ......................................................................
mb/google/zork: Disable UART 1, 2 and 3
We don't use these on zork, so lets save the power.
BUG=b:153001807 TEST=Boot OS and make sure UART 1, 2 and 3 are not probed and remain powered off.
Signed-off-by: Raul E Rangel rrangel@chromium.org Change-Id: I2fadeba779b66ec2fb13951b9487118ef0737a94 Reviewed-on: https://review.coreboot.org/c/coreboot/+/42328 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Aaron Durbin adurbin@chromium.org --- M src/mainboard/google/zork/variants/baseboard/devicetree.cb 1 file changed, 4 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Aaron Durbin: Looks good to me, approved
diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree.cb b/src/mainboard/google/zork/variants/baseboard/devicetree.cb index 664e379..18c3783 100644 --- a/src/mainboard/google/zork/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/zork/variants/baseboard/devicetree.cb @@ -187,4 +187,8 @@ end end
+ device mmio 0xfedca000 off end # UART1 + device mmio 0xfedce000 off end # UART2 + device mmio 0xfedcf000 off end # UART3 + end # chip soc/amd/picasso