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mb/google/skyrim: Move common DPTC values to devicetree.cb 

The Skyrim devices share a common set of DPTC values to enable booting
with low/no battery. Rather than duplicating them in each variant's
overridetree.cb, move them into the baseboard/devicetree.cb.

BUG=b:217911928
TEST=tast run <IP> power.ShutdownWithCommandBatteryCutoff

Change-Id: I20f0a8259c2fc986da23026da88feadd69942046
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69904
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Van Patten 2022-11-22 10:40:14 -07:00 committed by Felix Held
parent 1c727fd784
commit 5bd21db8eb
2 changed files with 18 additions and 17 deletions
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18
src/mainboard/google/skyrim/variants/baseboard/devicetree.cb
View File

@ -239,4 +239,22 @@ chip soc/amd/mendocino
device generic 3 on end
end
# DPTC: Refer the spec "FT6 Infrastructure Roadmap"#57316
# Set system_configuration to 4 for 15W
register "system_configuration" = "4"
# Normal
register "slow_ppt_limit_mW" = "25000"
register "fast_ppt_limit_mW" = "30000"
register "slow_ppt_time_constant_s" = "5"
register "stapm_time_constant_s" = "275"
register "sustained_power_limit_mW" = "15000"
register "thermctl_limit_degreeC" = "100"
register "vrm_current_limit_mA" = "28000"
register "vrm_maximum_current_limit_mA" = "50000"
register "vrm_soc_current_limit_mA" = "10000"
# Throttle (e.g., Low/No Battery)
register "vrm_current_limit_throttle_mA" = "20000"
register "vrm_maximum_current_limit_throttle_mA" = "20000"
register "vrm_soc_current_limit_throttle_mA" = "10000"
end # chip soc/amd/mendocino

17
src/mainboard/google/skyrim/variants/skyrim/overridetree.cb
View File

@ -244,21 +244,4 @@ chip soc/amd/mendocino
end
end
end # UART1
# Normal
# These registers are defined in AMD DevHub document #57316.
register "slow_ppt_limit_mW" = "25000"
register "fast_ppt_limit_mW" = "30000"
register "slow_ppt_time_constant_s" = "5"
register "stapm_time_constant_s" = "275"
register "sustained_power_limit_mW" = "15000"
register "thermctl_limit_degreeC" = "100"
register "vrm_current_limit_mA" = "28000"
register "vrm_maximum_current_limit_mA" = "50000"
register "vrm_soc_current_limit_mA" = "10000"
# Throttle (e.g., Low/No Battery)
register "vrm_current_limit_throttle_mA" = "20000"
register "vrm_maximum_current_limit_throttle_mA" = "20000"
register "vrm_soc_current_limit_throttle_mA" = "10000"
end # chip soc/amd/mendocino