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google/chell: Add VR config settings 

Use the Kunimitsu settings as baseline, except Psi4Enable set to 0 due
to a known issue (not able to hit S0ix) on glados. The VR settings will
then need to be updated per the board VR design.

BRANCH=none
BUG=chrome-os-partner:48466
TEST=Build and booted chell

Change-Id: Ieb014e2a0cee1cb02a1c095da273b5ac1a19ef5d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fcd47a2fb2b369a93d2992fa1c17c2ce91c0e948
Original-Change-Id: Iac197314702fe5897359afc1ad1636bbcdafa204
Original-Signed-off-by: robbie zhang <robbie.zhang@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/317870
Original-Commit-Ready: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/12985
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
robbie zhang 2015-12-11 15:21:57 -08:00 committed by Patrick Georgi
parent a09aa5ae40
commit 758c171539
1 changed files with 79 additions and 0 deletions
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79
src/mainboard/google/chell/devicetree.cb
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@ -44,6 +44,85 @@ chip soc/intel/skylake
register "Device4Enable" = "1"
register "HeciEnabled" = "0"
# VR Settings Configuration for 5 Domains
#+----------------+-------+-------+-------------+-------------+-------+
#| Domain/Setting | SA | IA | Ring Sliced | GT Unsliced | GT |
#+----------------+-------+-------+-------------+-------------+-------+
#| Psi1Threshold | 20A | 20A | 20A | 20A | 20A |
#| Psi2Threshold | 4A | 5A | 5A | 5A | 5A |
#| Psi3Threshold | 1A | 1A | 1A | 1A | 1A |
#| Psi3Enable | 1 | 1 | 1 | 1 | 1 |
#| Psi4Enable | 0 | 0 | 0 | 0 | 0 |
#| ImonSlope | 0 | 0 | 0 | 0 | 0 |
#| ImonOffset | 0 | 0 | 0 | 0 | 0 |
#| IccMax | 7A | 34A | 34A | 35A | 35A |
#| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V | 1.52V |
#+----------------+-------+-------+-------------+-------------+-------+
register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
.vr_config_enable = 1,
.psi1threshold = VR_CFG_AMP(20),
.psi2threshold = VR_CFG_AMP(4),
.psi3threshold = VR_CFG_AMP(1),
.psi3enable = 1,
.psi4enable = 0,
.imon_slope = 0x0,
.imon_offset = 0x0,
.icc_max = VR_CFG_AMP(7),
.voltage_limit = 1520,
}"
register "domain_vr_config[VR_IA_CORE]" = "{
.vr_config_enable = 1,
.psi1threshold = VR_CFG_AMP(20),
.psi2threshold = VR_CFG_AMP(5),
.psi3threshold = VR_CFG_AMP(1),
.psi3enable = 1,
.psi4enable = 0,
.imon_slope = 0x0,
.imon_offset = 0x0,
.icc_max = VR_CFG_AMP(34),
.voltage_limit = 1520,
}"
register "domain_vr_config[VR_RING]" = "{
.vr_config_enable = 1,
.psi1threshold = VR_CFG_AMP(20),
.psi2threshold = VR_CFG_AMP(5),
.psi3threshold = VR_CFG_AMP(1),
.psi3enable = 1,
.psi4enable = 0,
.imon_slope = 0x0,
.imon_offset = 0x0,
.icc_max = VR_CFG_AMP(34),
.voltage_limit = 1520,
}"
register "domain_vr_config[VR_GT_UNSLICED]" = "{
.vr_config_enable = 1,
.psi1threshold = VR_CFG_AMP(20),
.psi2threshold = VR_CFG_AMP(5),
.psi3threshold = VR_CFG_AMP(1),
.psi3enable = 1,
.psi4enable = 0,
.imon_slope = 0x0,
.imon_offset = 0x0,
.icc_max = VR_CFG_AMP(35),
.voltage_limit = 1520,
}"
register "domain_vr_config[VR_GT_SLICED]" = "{
.vr_config_enable = 1,
.psi1threshold = VR_CFG_AMP(20),
.psi2threshold = VR_CFG_AMP(5),
.psi3threshold = VR_CFG_AMP(1),
.psi3enable = 1,
.psi4enable = 0,
.imon_slope = 0x0,
.imon_offset = 0x0,
.icc_max = VR_CFG_AMP(35),
.voltage_limit = 1520,
}"
# Enable Root port 1.
register "PcieRpEnable[0]" = "1"
# Enable CLKREQ#