From 3f0c7242c9933fba9c6c7d91a96fb75a88aaef15 Mon Sep 17 00:00:00 2001
From: Seunghwan Kim <sh_.kim@samsung.com>
Date: Tue, 13 Feb 2018 16:58:00 +0900
Subject: mb/google/poppy/variant/nautilus: Enable and configure DPTF

This change enables DPTF and configures the policy. DPTF parameters were
provided by internal power team.

BUG=b:67877437
BRANCH=master
TEST=emerge-nautilus coreboot

Change-Id: I31b31d5282ab38278bc68045ce75fdc6192f1144
Signed-off-by: Seunghwan Kim <sh_.kim@samsung.com>
Reviewed-on: https://review.coreboot.org/23731
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
---
 .../google/poppy/variants/nautilus/devicetree.cb   |  3 +
 .../nautilus/include/variant/acpi/dptf.asl         | 65 +++++++++++++++++++++-
 2 files changed, 66 insertions(+), 2 deletions(-)

(limited to 'src/mainboard/google/poppy/variants/nautilus')

diff --git a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
index be8ab5b55d..9714766055 100644
--- a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
@@ -21,6 +21,9 @@ chip soc/intel/skylake
 	# EC memory map range is 0x900-0x9ff
 	register "gen3_dec" = "0x00fc0901"
 
+	# Enable DPTF
+	register "dptf_enable" = "1"
+
 	# Enable S0ix
 	register "s0ix_enable" = "1"
 
diff --git a/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl b/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl
index 216b76f157..3fd4a1d748 100644
--- a/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl
+++ b/src/mainboard/google/poppy/variants/nautilus/include/variant/acpi/dptf.asl
@@ -1,7 +1,8 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright 2017 Google Inc.
+ * Copyright (C) 2016 Google Inc.
+ * Copyright (C) 2017 Intel Corporation.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -13,4 +14,64 @@
  * GNU General Public License for more details.
  */
 
-/* Dummy file until DPTF support is added. */
+#define DPTF_CPU_PASSIVE		80
+#define DPTF_CPU_CRITICAL		105
+
+#define DPTF_TSR0_SENSOR_ID		1
+#define DPTF_TSR0_SENSOR_NAME		"Charger"
+#define DPTF_TSR0_PASSIVE		48
+#define DPTF_TSR0_CRITICAL		90
+#define DPTF_TSR0_TABLET_PASSIVE	44
+#define DPTF_TSR0_TABLET_CRITICAL	90
+
+#define DPTF_TSR1_SENSOR_ID		2
+#define DPTF_TSR1_SENSOR_NAME		"DRAM"
+#define DPTF_TSR1_PASSIVE		48
+#define DPTF_TSR1_CRITICAL		90
+#define DPTF_TSR1_TABLET_PASSIVE	44
+#define DPTF_TSR1_TABLET_CRITICAL	90
+
+#define DPTF_ENABLE_CHARGER
+
+/* Charger performance states, board-specific values from charger and EC */
+Name (CHPS, Package () {
+	Package () { 0, 0, 0, 0, 255, 0x6a4, "mA", 0 },	/* 1.7A (MAX) */
+	Package () { 0, 0, 0, 0, 24, 0x600, "mA", 0 },	/* 1.5A */
+	Package () { 0, 0, 0, 0, 16, 0x400, "mA", 0 },	/* 1.0A */
+	Package () { 0, 0, 0, 0, 8, 0x200, "mA", 0 },	/* 0.5A */
+})
+
+Name (DTRT, Package () {
+	/* CPU Throttle Effect on CPU */
+	Package () { \_SB.PCI0.B0D4, \_SB.PCI0.B0D4, 100, 50, 0, 0, 0, 0 },
+
+	/* Charger Throttle Effect on Charger (TSR0) */
+	Package () { \_SB.DPTF.TCHG, \_SB.DPTF.TSR0, 100, 600, 0, 0, 0, 0 },
+
+	/* CPU Throttle Effect on DRAM (TSR1) */
+	Package () { \_SB.PCI0.B0D4, \_SB.DPTF.TSR1, 100, 90, 0, 0, 0, 0 },
+})
+
+Name (MPPC, Package ()
+{
+	0x2,		/* Revision */
+	Package () {	/* Power Limit 1 */
+		0,	/* PowerLimitIndex, 0 for Power Limit 1 */
+		3000,	/* PowerLimitMinimum */
+		7000,	/* PowerLimitMaximum */
+		5000,	/* TimeWindowMinimum */
+		5000,	/* TimeWindowMaximum */
+		200	/* StepSize */
+	},
+	Package () {	/* Power Limit 2 */
+		1,	/* PowerLimitIndex, 1 for Power Limit 2 */
+		15000,	/* PowerLimitMinimum */
+		15000,	/* PowerLimitMaximum */
+		1000,	/* TimeWindowMinimum */
+		1000,	/* TimeWindowMaximum */
+		1000	/* StepSize */
+	}
+})
+
+/* Include DPTF */
+#include <soc/intel/skylake/acpi/dptf/dptf.asl>
-- 
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