[coreboot-gerrit] Change in coreboot[master]: mb/google/dedede/var/magolor: Add CdClock initial value

[Ren Kuo (Code Review)]

Ren Kuo has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/60301 )

Change subject: mb/google/dedede/var/magolor: Add CdClock initial value
......................................................................

mb/google/dedede/var/magolor: Add CdClock initial value

Add CdClock initial value to get more stable boot up in OS.

BUG=b:206557434
BRANCH=dedede
TEST=Build firmware and verify on fail DUTs.
     Check the DUTs can boot up in secure mode.

Change-Id: I5a0ad2bed79b37775184f0bd0a0ef024900cbe34
Signed-off-by: Ren Kuo 
---
M src/mainboard/google/dedede/variants/magolor/overridetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/60301/1

diff --git a/src/mainboard/google/dedede/variants/magolor/overridetree.cb b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
index 2a07f45..6583d01 100644
--- a/src/mainboard/google/dedede/variants/magolor/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/magolor/overridetree.cb
@@ -107,6 +107,9 @@
    register "SlowSlewRate" = "SlewRateFastBy8"
    register "FastPkgCRampDisable" = "1"

+	# Core Display Clock Frequency selection
+	register "CdClock" = "0x0"
+
    device domain 0 on
    	device pci 04.0 on
    		chip drivers/intel/dptf