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authorJohn Zhao <john.zhao@intel.com>2020-07-28 12:51:53 -0700
committerNick Vaccaro <nvaccaro@google.com>2020-07-29 22:46:45 +0000
commit5fdf2760a5952df22e5b331bc4f62082d8cec1bc (patch)
treec62a5da01564666de47a4b0f2f4246a4e76b21f0 /src/mainboard/google/volteer/variants/baseboard
parentbd615d6f9379cc454c728c8f79f13612f3fb7a19 (diff)
mb/google/volteer: Update TCSS D3Hot and D3Cold configuration
It is expected TCSS D3Hot is enabled. D3Cold configuration is through SoC stepping determination. D3Cold is disabled on pre-QS platform and enabled on QS platform. BUG=None TEST=Verified both of TCSS D3Hot and D3Cold configuration on Volteer. Signed-off-by: John Zhao <john.zhao@intel.com> Change-Id: I9a8b838dcb449ca78d15b18543d97d84b59417ac Reviewed-on: https://review.coreboot.org/c/coreboot/+/44004 Reviewed-by: Caveh Jalali <caveh@chromium.org> Reviewed-by: Divya S Sasidharan <divya.s.sasidharan@intel.com> Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/volteer/variants/baseboard')
-rw-r--r--src/mainboard/google/volteer/variants/baseboard/devicetree.cb4
1 files changed, 0 insertions, 4 deletions
diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
index 0e8ad3e17a..53bbe5a0c0 100644
--- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb
@@ -170,10 +170,6 @@ chip soc/intel/tigerlake
register "IomTypeCPortPadCfg[6]" = "0x09000000"
register "IomTypeCPortPadCfg[7]" = "0x09000000"
- # D3Hot and D3Cold for TCSS
- register "TcssD3HotEnable" = "1"
- register "TcssD3ColdEnable" = "0"
-
# DP port
register "DdiPortAConfig" = "1" # eDP
register "DdiPortBConfig" = "0"