Shaunak Saha (shaunak.saha@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/15640
-gerrit
commit 9c96aefe2375345bb3b78c44157f0e918b5568e4 Author: Shaunak Saha shaunak.saha@intel.com Date: Tue Jul 12 16:03:29 2016 -0700
google/reef: Enable DPTF in mainboard
This patch enables DPTF support for Google Reef platform, adds the ASL settings specific to Reef boards.
BUG=chrome-os-partner:53096 TEST=Verify that the thermal zones are enumerated under /sys/class/thermal in Reef boards. Navigate to /sys/class/thermal, and verify that a thermal zone of type TCPU exists there.
Change-Id: Ib43e4e9dd0d92fffc1b2c8459c552acd04ca0150 Signed-off-by: Shaunak Saha shaunak.saha@intel.com --- src/mainboard/google/reef/acpi/dptf.asl | 94 +++++++++++++++++++++++++++++++++ src/mainboard/google/reef/devicetree.cb | 3 ++ src/mainboard/google/reef/dsdt.asl | 5 ++ 3 files changed, 102 insertions(+)
diff --git a/src/mainboard/google/reef/acpi/dptf.asl b/src/mainboard/google/reef/acpi/dptf.asl new file mode 100644 index 0000000..35bbecb --- /dev/null +++ b/src/mainboard/google/reef/acpi/dptf.asl @@ -0,0 +1,94 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Google Inc. + * Copyright (C) 2015 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 + * 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. + */ + +#define DPTF_CPU_PASSIVE 80 +#define DPTF_CPU_CRITICAL 90 +#define DPTF_CPU_ACTIVE_AC0 90 +#define DPTF_CPU_ACTIVE_AC1 80 +#define DPTF_CPU_ACTIVE_AC2 70 +#define DPTF_CPU_ACTIVE_AC3 60 +#define DPTF_CPU_ACTIVE_AC4 50 + +#define DPTF_TSR0_SENSOR_ID 0 +#define DPTF_TSR0_SENSOR_NAME "Battery" +#define DPTF_TSR0_PASSIVE 48 +#define DPTF_TSR0_CRITICAL 70 + +#define DPTF_TSR1_SENSOR_ID 1 +#define DPTF_TSR1_SENSOR_NAME "Ambient" +#define DPTF_TSR1_PASSIVE 60 +#define DPTF_TSR1_CRITICAL 70 + +#define DPTF_TSR2_SENSOR_ID 2 +#define DPTF_TSR2_SENSOR_NAME "Charger" +#define DPTF_TSR2_PASSIVE 55 +#define DPTF_TSR2_CRITICAL 70 + +#define DPTF_ENABLE_CHARGER + +/* Charger performance states, board-specific values from charger and EC */ +Name (CHPS, Package () { + Package () { 0, 0, 0, 0, 255, 0xBB8, "mA", 0 }, /* 3A (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 */ + Package () { 0, 0, 0, 0, 0, 0x000, "mA", 0 }, /* 0.0A */ +}) + +Name (DTRT, Package () { + /* CPU Throttle Effect on CPU */ + Package () { _SB.PCI0.TCPU, _SB.PCI0.TCPU, 100, 50, 0, 0, 0, 0 }, + + /* CPU Effect on Temp Sensor 0 */ + Package () { _SB.PCI0.TCPU, _SB.DPTF.TSR0, 100, 600, 0, 0, 0, 0 }, + +#ifdef DPTF_ENABLE_CHARGER + /* Charger Effect on Temp Sensor 1 */ + Package () { _SB.DPTF.TCHG, _SB.DPTF.TSR1, 200, 600, 0, 0, 0, 0 }, +#endif + + /* CPU Effect on Temp Sensor 1 */ + Package () { _SB.PCI0.TCPU, _SB.DPTF.TSR1, 100, 600, 0, 0, 0, 0 }, + + /* CPU Effect on Temp Sensor 2 */ + Package () { _SB.PCI0.TCPU, _SB.DPTF.TSR2, 100, 600, 0, 0, 0, 0 }, +}) + +Name (MPPC, Package () +{ + 0x2, /* Revision */ + Package () { /* Power Limit 1 */ + 0, /* PowerLimitIndex, 0 for Power Limit 1 */ + 1600, /* PowerLimitMinimum */ + 15000, /* PowerLimitMaximum */ + 1000, /* TimeWindowMinimum */ + 1000, /* TimeWindowMaximum */ + 200 /* StepSize */ + }, + Package () { /* Power Limit 2 */ + 1, /* PowerLimitIndex, 1 for Power Limit 2 */ + 6000, /* PowerLimitMinimum */ + 8000, /* PowerLimitMaximum */ + 1000, /* TimeWindowMinimum */ + 1000, /* TimeWindowMaximum */ + 1000 /* StepSize */ + } +}) + +/* Include soc specific DPTF changes */ +#include <soc/intel/apollolake/acpi/dptf.asl> +/* Include common dptf ASL files */ +#include <soc/intel/common/acpi/dptf/dptf.asl> diff --git a/src/mainboard/google/reef/devicetree.cb b/src/mainboard/google/reef/devicetree.cb index a04a3cd..0763a6d 100644 --- a/src/mainboard/google/reef/devicetree.cb +++ b/src/mainboard/google/reef/devicetree.cb @@ -31,6 +31,9 @@ chip soc/intel/apollolake # 0x1C[6:0] stands for 28*125 = 3500 pSec delay for HS200 register "emmc_rx_cmd_data_cntl2" = "0x1001C"
+ # Enable DPTF + register "dptf_enable" = "1" + # GPE configuration # Note that GPE events called out in ASL code rely on this # route, i.e., if this route changes then the affected GPE diff --git a/src/mainboard/google/reef/dsdt.asl b/src/mainboard/google/reef/dsdt.asl index 7a88fb6..1558182 100644 --- a/src/mainboard/google/reef/dsdt.asl +++ b/src/mainboard/google/reef/dsdt.asl @@ -46,4 +46,9 @@ DefinitionBlock(
/* Mainboard Specific devices */ #include "acpi/mainboard.asl" + + Scope (_SB) { + /* Dynamic Platform Thermal Framework */ + #include "acpi/dptf.asl" + } }
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Shaunak Saha