Change in coreboot[master]: mainboard/google/meowth: Limit Package PL2 to 11.625W

[Lijian Zhao (Code Review)]

Lijian Zhao has uploaded this change for review. ( https://review.coreboot.org/23581

Change subject: mainboard/google/meowth: Limit Package PL2 to 11.625W
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mainboard/google/meowth: Limit Package PL2 to 11.625W

Meowth system's CPU heat sink have a designed limitation of 11.7W, hence
limit package PL2 (short turbo limit) to 11.625W( 93 * 125 MilliWatts).

BUG=b.72574971
TEST=Flash and boot up with meowth platform, check value with debug
build FSP.

Change-Id: I3aa16ba17f38f71bc5cb2e4cc7a226931e1503b2
Signed-off-by: Lijian Zhao 
---
M src/mainboard/google/zoombini/variants/meowth/devicetree.cb
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/81/23581/1

diff --git a/src/mainboard/google/zoombini/variants/meowth/devicetree.cb b/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
index 88de878..ef434cb 100644
--- a/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
+++ b/src/mainboard/google/zoombini/variants/meowth/devicetree.cb
@@ -32,6 +32,11 @@
    register "ScsEmmcHs400Enabled" = "1"
    register "ScsSdCardEnabled" = "1"

+	# CPU Basic Management #
+	register "PPL1Power" = "0x38"	# 7W
+	register "PPL2_enable" = "1"	# Package PL2 enabled
+	register "PPL2Power" = "0x5D"	# 11.625W for Package PL2
+
    # Use GSPI0 for cr50 TPM. Early init is required to set up a BAR for TPM
    # communication before memory is up.
    register "gspi[0]" = "{