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authorShawn Nematbakhsh <shawnn@chromium.org>2013-05-23 15:13:46 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-11-25 23:48:52 +0100
commite9d060d42c7ae3552962804cdab282738c4eeffa (patch)
tree499cffa803d613e0be948eeaa709df686ded0716 /src/mainboard/google/peppy/acpi/thermal.asl
parentae1ef60dfa304450bacc475cd767ac4a610a76e0 (diff)
peppy: Initial mainboard commit
Taken directly from slippy with only constant + string changes. (Peppy port of I4172460d3b075bfd5bb22013a6225cf0e8f95b9c by dlaurie) The following changes are required in a subsequent commit: - Add Elpida SPD data. - Update GPIO map. - Remove iSSD power sequencing. - Update USB port map. Change-Id: I01dfb841f0e9186cf8a0a23f72e7be986a83be42 Reviewed-on: https://gerrit.chromium.org/gerrit/56513 Tested-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-by: Dave Parker <dparker@chromium.org> Commit-Queue: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: http://review.coreboot.org/4200 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/google/peppy/acpi/thermal.asl')
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1 files changed, 173 insertions, 0 deletions
diff --git a/src/mainboard/google/peppy/acpi/thermal.asl b/src/mainboard/google/peppy/acpi/thermal.asl
new file mode 100644
index 0000000000..69b6ac9834
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+++ b/src/mainboard/google/peppy/acpi/thermal.asl
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Google Inc.
+ *
+ * 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
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+// Thermal Zone
+
+Scope (\_TZ)
+{
+ ThermalZone (THRM)
+ {
+ Name (_TC1, 0x02)
+ Name (_TC2, 0x05)
+
+ // Thermal zone polling frequency: 10 seconds
+ Name (_TZP, 100)
+
+ // Thermal sampling period for passive cooling: 2 seconds
+ Name (_TSP, 20)
+
+ // Convert from Degrees C to 1/10 Kelvin for ACPI
+ Method (CTOK, 1) {
+ // 10th of Degrees C
+ Multiply (Arg0, 10, Local0)
+
+ // Convert to Kelvin
+ Add (Local0, 2732, Local0)
+
+ Return (Local0)
+ }
+
+ // Threshold for OS to shutdown
+ Method (_CRT, 0, Serialized)
+ {
+ Return (CTOK (\TCRT))
+ }
+
+ // Threshold for passive cooling
+ Method (_PSV, 0, Serialized)
+ {
+ Return (CTOK (\TPSV))
+ }
+
+ // Processors used for passive cooling
+ Method (_PSL, 0, Serialized)
+ {
+ Return (\PPKG ())
+ }
+
+ Method (_TMP, 0, Serialized)
+ {
+ // Get Temperature from TIN# set in NVS
+ Store (\_SB.PCI0.LPCB.EC0.TINS (TMPS), Local0)
+
+ // Check for sensor not calibrated
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TNCA)) {
+ Return (CTOK(0))
+ }
+
+ // Check for sensor not present
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TNPR)) {
+ Return (CTOK(0))
+ }
+
+ // Check for sensor not powered
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TNOP)) {
+ Return (CTOK(0))
+ }
+
+ // Check for sensor bad reading
+ If (LEqual (Local0, \_SB.PCI0.LPCB.EC0.TBAD)) {
+ Return (CTOK(0))
+ }
+
+ // Adjust by offset to get Kelvin
+ Add (\_SB.PCI0.LPCB.EC0.TOFS, Local0, Local0)
+
+ // Convert to 1/10 Kelvin
+ Multiply (Local0, 10, Local0)
+ Return (Local0)
+ }
+
+ /* CTDP Down */
+ Method (_AC0) {
+ If (LLessEqual (\FLVL, 0)) {
+ Return (CTOK (\F0OF))
+ } Else {
+ Return (CTOK (\F0ON))
+ }
+ }
+
+ /* CTDP Nominal */
+ Method (_AC1) {
+ If (LLessEqual (\FLVL, 1)) {
+ Return (CTOK (\F1OF))
+ } Else {
+ Return (CTOK (\F1ON))
+ }
+ }
+
+ Name (_AL0, Package () { TDP0 })
+ Name (_AL1, Package () { TDP1 })
+
+ PowerResource (TNP0, 0, 0)
+ {
+ Method (_STA) {
+ If (LLessEqual (\FLVL, 0)) {
+ Return (One)
+ } Else {
+ Return (Zero)
+ }
+ }
+ Method (_ON) {
+ Store (0, \FLVL)
+ \_SB.PCI0.MCHC.STND ()
+ Notify (\_TZ.THRM, 0x81)
+ }
+ Method (_OFF) {
+ Store (1, \FLVL)
+ \_SB.PCI0.MCHC.STDN ()
+ Notify (\_TZ.THRM, 0x81)
+ }
+ }
+
+ PowerResource (TNP1, 0, 0)
+ {
+ Method (_STA) {
+ If (LLessEqual (\FLVL, 1)) {
+ Return (One)
+ } Else {
+ Return (Zero)
+ }
+ }
+ Method (_ON) {
+ Store (1, \FLVL)
+ Notify (\_TZ.THRM, 0x81)
+ }
+ Method (_OFF) {
+ Store (1, \FLVL)
+ Notify (\_TZ.THRM, 0x81)
+ }
+ }
+
+ Device (TDP0)
+ {
+ Name (_HID, EISAID ("PNP0C0B"))
+ Name (_UID, 0)
+ Name (_PR0, Package () { TNP0 })
+ }
+
+ Device (TDP1)
+ {
+ Name (_HID, EISAID ("PNP0C0B"))
+ Name (_UID, 1)
+ Name (_PR0, Package () { TNP1 })
+ }
+ }
+}
+