[coreboot-gerrit] Change in coreboot[master]: mb/google/dedede: Enable Speed Shift Technology

[Karthik Ramasubramanian (Code Review)]

Karthik Ramasubramanian has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/39477 )

Change subject: mb/google/dedede: Enable Speed Shift Technology
......................................................................

mb/google/dedede: Enable Speed Shift Technology

BUG=b:151281860
TEST=Boot the mainboard. Ensure that cpufreq driver to configure
P-states is enabled in kernel.

Change-Id: Id65d7981501c2f282e564bfc140f8d499d5713e8
Signed-off-by: Karthikeyan Ramasubramanian 
---
M src/mainboard/google/dedede/variants/baseboard/devicetree.cb
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/77/39477/1

diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
index 994e96e..3941ea8 100644
--- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
@@ -115,6 +115,9 @@
    register "DdiPortBDdc" = "1"
    register "DdiPortCDdc" = "1"

+	# Enable Speed Shift Technology support
+	register "speed_shift_enable" = "1"
+
    # Intel Common SoC Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |