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| author | Matt DeVillier <matt.devillier@puri.sm> | 2020-02-11 12:38:29 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-02-17 15:33:03 +0000 |
| commit | 2ae9d698882dd0ce899a0008d5d0526373af407a (patch) | |
| tree | 899a1f15a603d2081ea579b5383e5fe700f3528a /src/ec | |
| parent | ca15430bf7d43c2ba0c0684f745f206ab5f70670 (diff) | |
| download | coreboot-2ae9d698882dd0ce899a0008d5d0526373af407a.tar.xz | |
ec/purism/librem: Add ACPI temp reporting
Add EC ACPI reporting of current temp and platform critical temp.
Adapted from ACPI dump of ODM AMI firmware.
TEST: check reporting of current/critical temps via lm-sensors
from ACPI on Librem 13v1 and 13v4 boards.
Change-Id: I92641fbbdda46e0c388607a37f7a7cc2dcd6c26d
Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38835
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/ec')
| -rw-r--r-- | src/ec/purism/librem/acpi/ec.asl | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/ec/purism/librem/acpi/ec.asl b/src/ec/purism/librem/acpi/ec.asl index ff325aa9a3..6f6ced1b5c 100644 --- a/src/ec/purism/librem/acpi/ec.asl +++ b/src/ec/purism/librem/acpi/ec.asl @@ -52,7 +52,9 @@ Device (EC) OperationRegion (ERAM, EmbeddedControl, Zero, 0xFF) Field (ERAM, ByteAcc, Lock, Preserve) { - Offset (0x15), + Offset (0x13), + RTMP, 8, + , 8, BSTS, 2, /* Battery Status */ , 3, BTEX, 1, /* Battery Present */ @@ -231,3 +233,23 @@ Device (EC) #include "ac.asl" #include "battery.asl" } + +Scope (\_TZ) +{ + ThermalZone (TZ0) + { + /* _TMP: Temperature */ + Method (_TMP, 0, Serialized) + { + Local0 = (0x0AAC + (\_SB.PCI0.LPCB.EC.RTMP * 0x0A)) + Return (Local0) + } + + /* _CRT: Critical Temperature */ + Method (_CRT, 0, Serialized) + { + /* defined in board ec.asl */ + Return (CRIT_TEMP) + } + } +} |