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authorJamie Chen <jamie.chen@intel.com>2020-01-20 18:06:19 +0800
committerPatrick Georgi <pgeorgi@google.com>2020-01-21 13:10:47 +0000
commit951a6207f32fbfc7bf21f122b3a66b88fb79892c (patch)
tree05064b016dd73458f751aae157fde9eb986f37cf /src
parenta5ce45b95482f6e6aacab225197cc84cbdb519bf (diff)
downloadcoreboot-951a6207f32fbfc7bf21f122b3a66b88fb79892c.tar.xz
mb/google/puff: Add ac/dc loadline configuations
According to VRTT report, add ac/dc loadline configuations in puff device tree. BUG=b:147206535 BRANCH=None TEST=build coreboot and fsp with enabled fw_debug. Flashed to puff and checked the log. All ac/dc loadline configs were set correctly. Change-Id: Ia806de23a1fefcaac3ce9a462a8a04eee5eabcae Signed-off-by: Jamie Chen <jamie.chen@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38479 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/hatch/variants/puff/overridetree.cb76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb
index e7fe907989..456e6661a1 100644
--- a/src/mainboard/google/hatch/variants/puff/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb
@@ -277,4 +277,80 @@ chip soc/intel/cannonlake
device pci 1e.3 off end # GSPI #1
end
+ # VR Settings Configuration for 4 Domains
+ #+----------------+-------+-------+-------+-------+
+ #| Domain/Setting | SA | IA | GTUS | GTS |
+ #+----------------+-------+-------+-------+-------+
+ #| Psi1Threshold | 20A | 20A | 20A | 20A |
+ #| Psi2Threshold | 5A | 5A | 5A | 5A |
+ #| Psi3Threshold | 1A | 1A | 1A | 1A |
+ #| Psi3Enable | 1 | 1 | 1 | 1 |
+ #| Psi4Enable | 1 | 1 | 1 | 1 |
+ #| ImonSlope | 0 | 0 | 0 | 0 |
+ #| ImonOffset | 0 | 0 | 0 | 0 |
+ #| VrVoltageLimit | 1.52V | 1.52V | 1.52V | 1.52V |
+ #| AcLoadline | 10.04 | 1.81 | 3.19 | 3.19 |
+ #| DcLoadline | 10.04 | 1.81 | 3.19 | 3.19 |
+ #+----------------+-------+-------+-------+-------+
+ #Note: IccMax settings are moved to SoC code
+ register "domain_vr_config[VR_SYSTEM_AGENT]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(20),
+ .psi2threshold = VR_CFG_AMP(5),
+ .psi3threshold = VR_CFG_AMP(1),
+ .psi3enable = 1,
+ .psi4enable = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = 0,
+ .voltage_limit = 1520,
+ .ac_loadline = 1004,
+ .dc_loadline = 1004,
+ }"
+
+ 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 = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = 0,
+ .voltage_limit = 1520,
+ .ac_loadline = 181,
+ .dc_loadline = 181,
+ }"
+
+ 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 = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = 0,
+ .voltage_limit = 1520,
+ .ac_loadline = 319,
+ .dc_loadline = 319,
+ }"
+
+ 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 = 1,
+ .imon_slope = 0x0,
+ .imon_offset = 0x0,
+ .icc_max = 0,
+ .voltage_limit = 1520,
+ .ac_loadline = 319,
+ .dc_loadline = 319,
+ }"
+
end