From 372b67e22b61a38fea3549b6658cdfe127459aab Mon Sep 17 00:00:00 2001
From: Duncan Laurie <dlaurie@chromium.org>
Date: Thu, 3 Sep 2015 15:57:56 -0700
Subject: skylake: dptf: Add TSR3 thermal sensor and CPU code cleanup

- glados has more thermal sensors that could be used so add
another entry in the DTPF thermal sensor ACPI code.
- fix indentation block in cpu.asl.
- declare \_SB.MPDL as external (it is already CondRefOf)
so it does not need to be present in mainboard config if
the mainboard does not want to override the default.

BUG=chrome-os-partner:44622
BRANCH=none
TEST=emerge-glados coreboot

Change-Id: I1afe7013a24ee1215f5e968e25594f746bbdd17c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8d357437d06349039a94869b088c3c50b32933c0
Original-Change-Id: Ie87d52e735bf930a003e525cf1918789920922a5
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/297335
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11558
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/soc/intel/skylake/acpi/dptf/cpu.asl     | 13 +++---
 src/soc/intel/skylake/acpi/dptf/thermal.asl | 64 +++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+), 6 deletions(-)

(limited to 'src/soc/intel/skylake/acpi')

diff --git a/src/soc/intel/skylake/acpi/dptf/cpu.asl b/src/soc/intel/skylake/acpi/dptf/cpu.asl
index 56a0d07fa2..872ef1a505 100644
--- a/src/soc/intel/skylake/acpi/dptf/cpu.asl
+++ b/src/soc/intel/skylake/acpi/dptf/cpu.asl
@@ -50,6 +50,7 @@ External (\_PR.CPU0._TSS, MethodObj)
 External (\_PR.CPU0._TPC, MethodObj)
 External (\_PR.CPU0._PTC, PkgObj)
 External (\_PR.CPU0._TSD, PkgObj)
+External (\_SB.MPDL, IntObj)
 
 Device (B0D4)
 {
@@ -146,12 +147,12 @@ Device (B0D4)
 	{
 		If (CondRefOf (\_PR.CP00._PSS)) {
 			Return (\_PR.CP00._PSS)
-			} Else {
-				Return (Package ()
-				{
-					Package () { 0, 0, 0, 0, 0, 0 }
-				})
-			}
+		} Else {
+			Return (Package ()
+			{
+				Package () { 0, 0, 0, 0, 0, 0 }
+			})
+		}
 	}
 
 
diff --git a/src/soc/intel/skylake/acpi/dptf/thermal.asl b/src/soc/intel/skylake/acpi/dptf/thermal.asl
index a6ab8477d1..99c10da740 100644
--- a/src/soc/intel/skylake/acpi/dptf/thermal.asl
+++ b/src/soc/intel/skylake/acpi/dptf/thermal.asl
@@ -38,6 +38,11 @@ Method (TEVT, 1, NotSerialized)
 		Notify (^TSR2, 0x90)
 	}
 #endif
+#ifdef DPTF_TSR3_SENSOR_ID
+	If (LEqual (Local0, DPTF_TSR3_SENSOR_ID)) {
+		Notify (^TSR3, 0x90)
+	}
+#endif
 }
 
 /* Thermal device initialization - Disable Aux Trip Points */
@@ -52,6 +57,9 @@ Method (TINI)
 #ifdef DPTF_TSR2_SENSOR_ID
 	^TSR2.PATD ()
 #endif
+#ifdef DPTF_TSR3_SENSOR_ID
+	^TSR3.PATD ()
+#endif
 }
 
 #ifdef DPTF_TSR0_SENSOR_ID
@@ -221,3 +229,59 @@ Device (TSR2)
 	}
 }
 #endif
+
+#ifdef DPTF_TSR3_SENSOR_ID
+Device (TSR3)
+{
+	Name (_HID, EISAID ("INT3403"))
+	Name (_UID, 4)
+	Name (PTYP, 0x03)
+	Name (TMPI, DPTF_TSR3_SENSOR_ID)
+	Name (_STR, Unicode (DPTF_TSR3_SENSOR_NAME))
+	Name (GTSH, 20) /* 2 degree hysteresis */
+
+	Method (_STA)
+	{
+		If (LEqual (\DPTE, One)) {
+			Return (0xF)
+		} Else {
+			Return (0x0)
+		}
+	}
+
+	Method (_TMP, 0, Serialized)
+	{
+		Return (\_SB.PCI0.LPCB.EC0.TSRD (TMPI))
+	}
+
+	Method (_PSV)
+	{
+		Return (CTOK (DPTF_TSR3_PASSIVE))
+	}
+
+	Method (_CRT)
+	{
+		Return (CTOK (DPTF_TSR3_CRITICAL))
+	}
+
+	Name (PATC, 2)
+
+	/* Set Aux Trip Point */
+	Method (PAT0, 1, Serialized)
+	{
+		\_SB.PCI0.LPCB.EC0.PAT0 (TMPI, Arg0)
+	}
+
+	/* Set Aux Trip Point */
+	Method (PAT1, 1, Serialized)
+	{
+		\_SB.PCI0.LPCB.EC0.PAT1 (TMPI, Arg0)
+	}
+
+	/* Disable Aux Trip Point */
+	Method (PATD, 0, Serialized)
+	{
+		\_SB.PCI0.LPCB.EC0.PATD (TMPI)
+	}
+}
+#endif
-- 
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