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authorRaul E Rangel <rrangel@chromium.org>2020-06-12 11:41:16 -0600
committerFelix Held <felix-coreboot@felixheld.de>2020-06-19 20:34:06 +0000
commit5e29c0ef8e310dd6e8dcfef6596c4268b9995169 (patch)
tree91dcc7796007b2f5c1d3cee2b1ba9b703640cc7d /src
parent51e0fd91d5d73c168e572622f91d0197a8ec031b (diff)
downloadcoreboot-5e29c0ef8e310dd6e8dcfef6596c4268b9995169.tar.xz
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>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/zork/variants/baseboard/devicetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/zork/variants/baseboard/devicetree.cb b/src/mainboard/google/zork/variants/baseboard/devicetree.cb
index 664e379035..18c3783e83 100644
--- a/src/mainboard/google/zork/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/zork/variants/baseboard/devicetree.cb
@@ -187,4 +187,8 @@ chip soc/amd/picasso
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