From 4fb3a40679adcb2672cd6e97a4266fac21046c7a Mon Sep 17 00:00:00 2001 From: Sumeet R Pawnikar Date: Mon, 31 Aug 2020 18:41:15 +0530 Subject: mb/intel/jasperlake_rvp: Add DTT support for jslrvp Add DTT (Dynamic Tuning Technology) support for Jasper Lake based rvp board. Set power limits and CPU sensor thresholds for DTT based thermal control. BRANCH=None BUG=Noe TEST=Build and boot on jslrvp board Change-Id: I41409c70d8472c54ca452fc98d5ee9edf3ccd307 Signed-off-by: Sumeet R Pawnikar Reviewed-on: https://review.coreboot.org/c/coreboot/+/44942 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak --- .../jasperlake_rvp/variants/jslrvp/devicetree.cb | 31 +++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) (limited to 'src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb') diff --git a/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb b/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb index b779d00c75..035ccbd301 100644 --- a/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb +++ b/src/mainboard/intel/jasperlake_rvp/variants/jslrvp/devicetree.cb @@ -128,6 +128,15 @@ chip soc/intel/jasperlake # Enable DPTF register "dptf_enable" = "1" + # Enable Processor Thermal Control + register "Device4Enable" = "1" + + # Add PL1 and PL2 values + register "power_limits_config" = "{ + .tdp_pl1_override = 6, + .tdp_pl2_override = 20, + }" + # Enable S0ix register "s0ix_enable" = "1" @@ -174,7 +183,27 @@ chip soc/intel/jasperlake device domain 0 on device pci 00.0 on end # Host Bridge device pci 02.0 on end # Integrated Graphics Device - device pci 04.0 off end # SA Thermal device + device pci 04.0 on + chip drivers/intel/dptf + register "policies.passive[0]" = "DPTF_PASSIVE(CPU, CPU, 95, 1000)" + register "policies.critical[0]" = "DPTF_CRITICAL(CPU, 119, SHUTDOWN)" + + register "controls.power_limits.pl1" = "{ + .min_power = 3000, + .max_power = 6000, + .time_window_min = 1 * MSECS_PER_SEC, + .time_window_max = 1 * MSECS_PER_SEC, + .granularity = 200,}" + register "controls.power_limits.pl2" = "{ + .min_power = 6000, + .max_power = 20000, + .time_window_min = 1 * MSECS_PER_SEC, + .time_window_max = 1 * MSECS_PER_SEC, + .granularity = 1000,}" + device generic 0 on end + end + end # SA Thermal device + device pci 05.0 on chip drivers/intel/mipi_camera register "acpi_uid" = "0x50000" -- cgit v1.2.3