commit 9366f6f0f2904b601f8cf53b1d25fe6d68841045
author Kevin Yang <kevin3.yang@lcfc.corp-partner.google.com> Wed May 03 08:38:39 2023 +0800
committer Felix Held <felix-coreboot@felixheld.de> Thu May 11 16:52:18 2023 +0000
tree 9b740283b34ee1592ae5c9a3ba030a4c1e32bd1d
parent 739f935592124a8945cea36c5774c76ec6c33b0b

mb/google/dedede/var/boxy: Disable EXT_VR

The boxy removed the APW8738BQBI-TRG and
"disable_external_bypass_vr" should be set to "1" to disable

BUG=b:271407334
TEST=emerge-dedede coreboot

Signed-off-by: Kevin Yang <kevin3.yang@lcfc.corp-partner.google.com>
Change-Id: Ic6667e93de41e84f67363ab7554fe755fe50684a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74889
Reviewed-by: Derek Huang <derekhuang@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/dedede/variants/boxy/overridetree.cb

diff --git a/src/mainboard/google/dedede/variants/boxy/overridetree.cb b/src/mainboard/google/dedede/variants/boxy/overridetree.cb
index 8dca1da..8b51432 100644
--- a/src/mainboard/google/dedede/variants/boxy/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/boxy/overridetree.cb
@@ -53,6 +53,9 @@
 	register "DdiPortAHpd" = "1"
 	register "DdiPortADdc" = "1"
 
+	# Does not support external vnn power rail
+	register "disable_external_bypass_vr" = "1"
+
 	# USB Port Configuration
 	register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)"	# Type-A Port A0
 	register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)"	# Type-A Port A1