[coreboot-gerrit] New patch to review for coreboot: google/glados: Add VR config settings
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Fri Jan 15 16:44:29 CET 2016
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12984
-gerrit
commit cd6f821d1d2f8fb18b590a327e7d548d84e381f3
Author: robbie zhang <robbie.zhang at intel.com>
Date: Fri Dec 11 16:02:54 2015 -0800
google/glados: 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 glados
Change-Id: I42d360657ab7c47d66043f39b79540b69a9072d1
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: d06397c1c32136d1b6a1c1346ed722ad6926ce1a
Original-Change-Id: Ib0746cd84c2c8af29f53a65a0a7b85966c918869
Original-Signed-off-by: robbie zhang <robbie.zhang at intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/317910
Original-Commit-Ready: Aaron Durbin <adurbin at chromium.org>
Original-Tested-by: Aaron Durbin <adurbin at chromium.org>
Original-Reviewed-by: Duncan Laurie <dlaurie at chromium.org>
---
src/mainboard/google/glados/devicetree.cb | 79 +++++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb
index 5356cc1..ccca4b3 100644
--- a/src/mainboard/google/glados/devicetree.cb
+++ b/src/mainboard/google/glados/devicetree.cb
@@ -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#
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