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authorrobbie zhang <robbie.zhang@intel.com>2015-12-11 15:21:57 -0800
committerPatrick Georgi <pgeorgi@google.com>2016-01-18 12:13:54 +0100
commit758c1715398f63a6b111ec086b0619d43bda17e6 (patch)
treeebf36dc47a4b532991ddea58667cdf69facd00c9 /src/mainboard
parenta09aa5ae40c53df69eda1237a5a1df8718e672f9 (diff)
downloadcoreboot-758c1715398f63a6b111ec086b0619d43bda17e6.tar.xz
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>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/chell/devicetree.cb79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/mainboard/google/chell/devicetree.cb b/src/mainboard/google/chell/devicetree.cb
index 599f242c19..f43d6c8383 100644
--- a/src/mainboard/google/chell/devicetree.cb
+++ b/src/mainboard/google/chell/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#