google/eve: Set throttle offset to 10 degrees
Set the thermal throttle (prochot) activation to be 10 degrees
below TJmax so PROCHOT# kicks in at 90C instead of 100C.
BUG=chrome-os-partner:58666
TEST=boot on eve, check msr value before and after resume:
> iotools rdmsr 1 0x1a2
0x000000000a6400e6
> echo mem > /sys/power/state
> iotools rdmsr 1 0x1a2
0x000000000a6400e6
Change-Id: I3ab3a050a1e27c18a940bd7519eabaf015ef93eb
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/17901
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index efcadd2..6e709b7 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -187,6 +187,7 @@
register "speed_shift_enable" = "1"
register "dptf_enable" = "1"
register "tdp_pl2_override" = "7"
+ register "tcc_offset" = "10"
device cpu_cluster 0 on
device lapic 0 on end