diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2013-08-26 08:33:56 -0700 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2014-08-04 09:32:20 +0200 |
| commit | cc6b924042a0ca1c2d46e05dbb98c15fd2730d47 (patch) | |
| tree | aa14281417ee02501a7c7fe320dfd80ad635c2c9 /src/mainboard | |
| parent | 1f68880e50a2b847838bbdc6916484f9fd86a681 (diff) | |
falco: Re-read critical temperatures in ACPI _TMP
There seem to be a significant number of shutdowns during suspend resume
tests related to critical temperatures. It is possible that we are getting
a bad reading from PECI and shutting down prematurely in some cases.
If we get a reading that is above critical then wait for the EC to re-poll
and then re-check the temperature in case it was just a bad reading.
Also add some ACPI debug messages when this happens.
Original-Change-Id: I0ab7bdcc50d133981c0f36fc696b06d4a1d939a7
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/66937
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit a39d7b11dd7b2af37fc2658542d56b32e3966ed4)
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Change-Id: Ib612266511d90749ec6507f8467c71523ee8fb95
Reviewed-on: https://chromium-review.googlesource.com/66939
Tested-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Duncan Laurie <dlaurie@chromium.org>
(cherry picked from commit e98da983dca7819490464bddf08b9c53f28d2712)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6457
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/falco/acpi/thermal.asl | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/mainboard/google/falco/acpi/thermal.asl b/src/mainboard/google/falco/acpi/thermal.asl index 397f3eb556..a622d6cba6 100644 --- a/src/mainboard/google/falco/acpi/thermal.asl +++ b/src/mainboard/google/falco/acpi/thermal.asl @@ -75,7 +75,7 @@ Scope (\_TZ) Return (\PPKG ()) } - Method (_TMP, 0, Serialized) + Method (TCHK, 0, Serialized) { // Get Temperature from TIN# set in NVS Store (\_SB.PCI0.LPCB.EC0.TINS (TMPS), Local0) @@ -107,5 +107,30 @@ Scope (\_TZ) Multiply (Local0, 10, Local0) Return (Local0) } + + Method (_TMP, 0, Serialized) + { + // Get temperature from EC in deci-kelvin + Store (TCHK (), Local0) + + // Critical temperature in deci-kelvin + Store (CTOK (\TCRT), Local1) + + If (LGreaterEqual (Local0, Local1)) { + Store ("CRITICAL TEMPERATURE", Debug) + Store (Local0, Debug) + + // Wait 1 second for EC to re-poll + Sleep (1000) + + // Re-read temperature from EC + Store (TCHK (), Local0) + + Store ("RE-READ TEMPERATURE", Debug) + Store (Local0, Debug) + } + + Return (Local0) + } } } |