From 690831d148edd04da14204211cb1c83cb12b1ba6 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Fri, 16 Dec 2016 08:01:09 -0800 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/17901 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/mainboard/google/eve/devicetree.cb | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb index efcadd2a56..6e709b7e5a 100644 --- a/src/mainboard/google/eve/devicetree.cb +++ b/src/mainboard/google/eve/devicetree.cb @@ -187,6 +187,7 @@ chip soc/intel/skylake 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