Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/12344
-gerrit
commit f3c8ebeb0c3852eb9bd5f9892d6a712fdb2ea370 Author: david david_wu@quantatw.com Date: Tue Nov 3 18:38:47 2015 +0800
Lars: Enable Fan control support
Copy from the CL https://chromium-review.googlesource.com/#/c/307028/
BRANCH=None BUG=None TEST=emerge-lars coreboot
Change-Id: I131fb729661f0f3bfd198cdf238c627bf38a46a5 Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 70d471c507d12924466979c93742944975a03f27 Original-Change-Id: I0128dc65110ba363185db9c2aca5cdb140c344c2 Original-Signed-off-by: David Wu David_Wu@quantatw.com Original-Reviewed-on: https://chromium-review.googlesource.com/310394 Original-Commit-Ready: David Wu david_wu@quantatw.com Original-Tested-by: David Wu david_wu@quantatw.com Original-Reviewed-by: Duncan Laurie dlaurie@chromium.org --- src/mainboard/google/chell/acpi/dptf.asl | 3 +++ src/mainboard/google/lars/acpi/dptf.asl | 37 ++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+)
diff --git a/src/mainboard/google/chell/acpi/dptf.asl b/src/mainboard/google/chell/acpi/dptf.asl index 15f7275..45783dc 100644 --- a/src/mainboard/google/chell/acpi/dptf.asl +++ b/src/mainboard/google/chell/acpi/dptf.asl @@ -40,6 +40,9 @@ /* SKL-Y EC already has a custom charge profile based on temperature. */ #undef DPTF_ENABLE_CHARGER
+/* SKL-Y is Fanless design. */ +#undef DPTF_ENABLE_FAN_CONTROL + Name (DTRT, Package () { /* CPU Throttle Effect on CPU */ Package () { _SB.PCI0.B0D4, _SB.PCI0.B0D4, 100, 50, 0, 0, 0, 0 }, diff --git a/src/mainboard/google/lars/acpi/dptf.asl b/src/mainboard/google/lars/acpi/dptf.asl index 73ed77b..2eea804 100644 --- a/src/mainboard/google/lars/acpi/dptf.asl +++ b/src/mainboard/google/lars/acpi/dptf.asl @@ -38,6 +38,7 @@ #define DPTF_TSR2_CRITICAL 70
#define DPTF_ENABLE_CHARGER +#define DPTF_ENABLE_FAN_CONTROL
/* Charger performance states, board-specific values from charger and EC */ Name (CHPS, Package () { @@ -48,6 +49,42 @@ Name (CHPS, Package () { Package () { 0, 0, 0, 0, 0, 0x000, "mA", 0 }, /* 0.0A */ })
+#ifdef DPTF_ENABLE_FAN_CONTROL +/* DFPS: Fan Performance States */ +Name (DFPS, Package () { + 0, // Revision + /* + * TODO : Need to update this Table after characterization. + * These are initial reference values. + */ + /* Control, Trip Point, Speed, NoiseLevel, Power */ + Package () {100, 0xFFFFFFFF, 4986, 220, 2200}, + Package () {90, 0xFFFFFFFF, 4804, 180, 1800}, + Package () {80, 0xFFFFFFFF, 4512, 145, 1450}, + Package () {70, 0xFFFFFFFF, 4204, 115, 1150}, + Package () {60, 0xFFFFFFFF, 3838, 90, 900}, + Package () {50, 0xFFFFFFFF, 3402, 65, 650}, + Package () {40, 0xFFFFFFFF, 2904, 45, 450}, + Package () {30, 0xFFFFFFFF, 2337, 30, 300}, + Package () {20, 0xFFFFFFFF, 1608, 15, 150}, + Package () {10, 0xFFFFFFFF, 800, 10, 100}, + Package () {0, 0xFFFFFFFF, 0, 0, 50} +}) + +Name (DART, Package () { + /* Fan effect on CPU */ + 0, // Revision + Package () { + /* + * Source, Target, Weight, AC0, AC1, AC2, AC3, AC4, AC5, AC6, + * AC7, AC8, AC9 + */ + _SB.DPTF.TFN1, _SB.PCI0.B0D4, 100, 100, 90, 80, 70, 60, 0, 0, + 0, 0, 0 + } +}) +#endif + Name (DTRT, Package () { /* CPU Throttle Effect on CPU */ Package () { _SB.PCI0.B0D4, _SB.PCI0.B0D4, 100, 50, 0, 0, 0, 0 },