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authorMichael Niewöhner <foss@mniewoehner.de>2020-10-02 18:28:22 +0200
committerMichael Niewöhner <foss@mniewoehner.de>2020-11-13 17:32:37 +0000
commita1843d8411d3caebd0600421c2b6a4c6b0588c19 (patch)
treed1baeb97ea1ca28ca09df0ceb3edd53ef0eea029 /src/mainboard
parent8a64ad09a100adf478d65e42e4cc10a18ccc2d16 (diff)
soc/intel/{skl,cnl}: replace PM ACPI timer dt option by Kconfig
Select `PM_ACPI_TIMER_OPTIONAL` to enable the new PM ACPI Kconfig and set the FSP option for PM ACPI timer enablement from its value instead of using the old devicetree option. Also drop the obsolete devicetree option from soc code and from the mainboards and add a corresponding Kconfig entry instead. Change-Id: I10724ccf1647594404cec15c2349ab05b6c9714f Signed-off-by: Michael Niewöhner <foss@mniewoehner.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45955 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/51nb/x210/devicetree.cb1
-rw-r--r--src/mainboard/asrock/h110m/devicetree.cb1
-rw-r--r--src/mainboard/facebook/monolith/Kconfig3
-rw-r--r--src/mainboard/facebook/monolith/devicetree.cb1
-rw-r--r--src/mainboard/google/eve/Kconfig3
-rw-r--r--src/mainboard/google/eve/devicetree.cb1
-rw-r--r--src/mainboard/google/fizz/Kconfig4
-rw-r--r--src/mainboard/google/fizz/variants/baseboard/devicetree.cb1
-rw-r--r--src/mainboard/google/glados/Kconfig3
-rw-r--r--src/mainboard/google/glados/devicetree.cb1
-rw-r--r--src/mainboard/google/hatch/Kconfig3
-rw-r--r--src/mainboard/google/hatch/variants/baseboard/devicetree.cb2
-rw-r--r--src/mainboard/google/poppy/Kconfig4
-rw-r--r--src/mainboard/google/poppy/variants/atlas/devicetree.cb1
-rw-r--r--src/mainboard/google/poppy/variants/baseboard/devicetree.cb1
-rw-r--r--src/mainboard/google/poppy/variants/nami/devicetree.cb1
-rw-r--r--src/mainboard/google/poppy/variants/nautilus/devicetree.cb1
-rw-r--r--src/mainboard/google/poppy/variants/nocturne/devicetree.cb1
-rw-r--r--src/mainboard/google/poppy/variants/rammus/devicetree.cb1
-rw-r--r--src/mainboard/google/poppy/variants/soraka/devicetree.cb1
-rw-r--r--src/mainboard/intel/kblrvp/Kconfig5
-rw-r--r--src/mainboard/intel/kblrvp/variants/rvp11/overridetree.cb1
-rw-r--r--src/mainboard/intel/kblrvp/variants/rvp3/overridetree.cb1
-rw-r--r--src/mainboard/intel/kblrvp/variants/rvp7/overridetree.cb3
-rw-r--r--src/mainboard/intel/kblrvp/variants/rvp8/overridetree.cb1
-rw-r--r--src/mainboard/intel/kunimitsu/Kconfig4
-rw-r--r--src/mainboard/intel/kunimitsu/devicetree.cb1
-rw-r--r--src/mainboard/intel/saddlebrook/devicetree.cb1
-rw-r--r--src/mainboard/libretrend/lt1000/Kconfig3
-rw-r--r--src/mainboard/libretrend/lt1000/devicetree.cb1
-rw-r--r--src/mainboard/protectli/vault_kbl/Kconfig3
-rw-r--r--src/mainboard/protectli/vault_kbl/devicetree.cb1
-rw-r--r--src/mainboard/purism/librem_skl/devicetree.cb1
-rw-r--r--src/mainboard/razer/blade_stealth_kbl/devicetree.cb1
34 files changed, 35 insertions, 27 deletions
diff --git a/src/mainboard/51nb/x210/devicetree.cb b/src/mainboard/51nb/x210/devicetree.cb
index 561bd6f54b..49e2964f45 100644
--- a/src/mainboard/51nb/x210/devicetree.cb
+++ b/src/mainboard/51nb/x210/devicetree.cb
@@ -55,7 +55,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "3" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "0"
register "serirq_mode" = "SERIRQ_CONTINUOUS"
diff --git a/src/mainboard/asrock/h110m/devicetree.cb b/src/mainboard/asrock/h110m/devicetree.cb
index 57acd33570..909c050412 100644
--- a/src/mainboard/asrock/h110m/devicetree.cb
+++ b/src/mainboard/asrock/h110m/devicetree.cb
@@ -24,7 +24,6 @@ chip soc/intel/skylake
# FSP Configuration
register "PrimaryDisplay" = "Display_PEG"
register "SaGv" = "SaGv_Enabled"
- register "PmTimerDisabled" = "0"
# Enabling SLP_S3#, SLP_S4#, SLP_SUS and SLP_A Stretch
# SLP_S3 Minimum Assertion Width. Values 0: 60us, 1: 1ms, 2: 50ms, 3: 2s
diff --git a/src/mainboard/facebook/monolith/Kconfig b/src/mainboard/facebook/monolith/Kconfig
index 92c02a799e..ddbc27ef91 100644
--- a/src/mainboard/facebook/monolith/Kconfig
+++ b/src/mainboard/facebook/monolith/Kconfig
@@ -92,4 +92,7 @@ config VBOOT_ALWAYS_ALLOW_UDC
def_bool y
depends on VBOOT && !CHROMEOS
+config USE_PM_ACPI_TIMER
+ default n
+
endif
diff --git a/src/mainboard/facebook/monolith/devicetree.cb b/src/mainboard/facebook/monolith/devicetree.cb
index 15ab7efb71..974d00e41a 100644
--- a/src/mainboard/facebook/monolith/devicetree.cb
+++ b/src/mainboard/facebook/monolith/devicetree.cb
@@ -36,7 +36,6 @@ chip soc/intel/skylake
register "ScsEmmcHs400Enabled" = "1"
register "SkipExtGfxScan" = "1"
register "SaGv" = "SaGv_Enabled"
- register "PmTimerDisabled" = "1"
register "HeciEnabled" = "0"
register "SataSalpSupport" = "1"
diff --git a/src/mainboard/google/eve/Kconfig b/src/mainboard/google/eve/Kconfig
index f7e82959ce..9316c7f213 100644
--- a/src/mainboard/google/eve/Kconfig
+++ b/src/mainboard/google/eve/Kconfig
@@ -76,4 +76,7 @@ config INCLUDE_NHLT_BLOBS
config UART_FOR_CONSOLE
int
default 2
+
+config USE_PM_ACPI_TIMER
+ default n
endif
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index 519e53ba6c..6c1144b736 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -51,7 +51,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
diff --git a/src/mainboard/google/fizz/Kconfig b/src/mainboard/google/fizz/Kconfig
index 48d04e791b..a21df378ef 100644
--- a/src/mainboard/google/fizz/Kconfig
+++ b/src/mainboard/google/fizz/Kconfig
@@ -96,4 +96,8 @@ config INCLUDE_NHLT_BLOBS_KARMA
config UART_FOR_CONSOLE
int
default 2
+
+config USE_PM_ACPI_TIMER
+ default n
+
endif # BOARD_GOOGLE_BASEBOARD_FIZZ
diff --git a/src/mainboard/google/fizz/variants/baseboard/devicetree.cb b/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
index 703ef5b775..22935f4520 100644
--- a/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/fizz/variants/baseboard/devicetree.cb
@@ -82,7 +82,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
register "SendVrMbxCmd" = "1" # IMVP8 workaround
# Intersil VR c-state issue workaround
diff --git a/src/mainboard/google/glados/Kconfig b/src/mainboard/google/glados/Kconfig
index 50e56ce9e7..144fe97b8b 100644
--- a/src/mainboard/google/glados/Kconfig
+++ b/src/mainboard/google/glados/Kconfig
@@ -86,4 +86,7 @@ config CONSOLE_SERIAL
bool
default n
+config USE_PM_ACPI_TIMER
+ default n
+
endif
diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb
index 2dfb71f2c0..ba3f204d09 100644
--- a/src/mainboard/google/glados/devicetree.cb
+++ b/src/mainboard/google/glados/devicetree.cb
@@ -50,7 +50,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "4" # 4s
register "PmConfigSlpSusMinAssert" = "3" # 4s
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# Enable Root port 1
register "PcieRpEnable[0]" = "1"
diff --git a/src/mainboard/google/hatch/Kconfig b/src/mainboard/google/hatch/Kconfig
index 1e132ed0fd..4d7d5ec990 100644
--- a/src/mainboard/google/hatch/Kconfig
+++ b/src/mainboard/google/hatch/Kconfig
@@ -186,4 +186,7 @@ config VBOOT
select MRC_CLEAR_NORMAL_CACHE_ON_RECOVERY_RETRAIN
select VBOOT_EARLY_EC_SYNC
+config USE_PM_ACPI_TIMER
+ default n
+
endif # BOARD_GOOGLE_HATCH_COMMON
diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 01c0d234f9..31f6652401 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -53,8 +53,6 @@ chip soc/intel/cannonlake
# putting it under register "common_soc_config" in overridetree.cb file.
register "common_soc_config.pch_thermal_trip" = "77"
- register "PmTimerDisabled" = "1"
-
# Select CPU PL2/PL4 config
register "cpu_pl2_4_cfg" = "baseline"
diff --git a/src/mainboard/google/poppy/Kconfig b/src/mainboard/google/poppy/Kconfig
index bda2ca0a18..d8b90bcdc3 100644
--- a/src/mainboard/google/poppy/Kconfig
+++ b/src/mainboard/google/poppy/Kconfig
@@ -214,4 +214,8 @@ config VBOOT
config UART_FOR_CONSOLE
int
default 2
+
+config USE_PM_ACPI_TIMER
+ default n
+
endif # BOARD_GOOGLE_BASEBOARD_POPPY
diff --git a/src/mainboard/google/poppy/variants/atlas/devicetree.cb b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
index 668e72dc21..2f230faf3f 100644
--- a/src/mainboard/google/poppy/variants/atlas/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/atlas/devicetree.cb
@@ -57,7 +57,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
register "power_limits_config" = "{
.tdp_pl1_override = 7,
diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index 0b3d6c0346..ed846f61e2 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -47,7 +47,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb
index 42f810800a..5117c545f1 100644
--- a/src/mainboard/google/poppy/variants/nami/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb
@@ -46,7 +46,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# Intersil VR c-state issue workaround
# send VR mailbox command for IA/GT/SA rails
diff --git a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
index 3d91884d51..b1340f8058 100644
--- a/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nautilus/devicetree.cb
@@ -47,7 +47,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# VR Slew rate setting for improving audible noise
register "AcousticNoiseMitigation" = "1"
diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
index ab1588af80..2d077c29fc 100644
--- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
@@ -52,7 +52,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
register "power_limits_config" = "{
.tdp_pl1_override = 7,
diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
index 2334a179df..2a916fc1df 100644
--- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -57,7 +57,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
diff --git a/src/mainboard/google/poppy/variants/soraka/devicetree.cb b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
index c69875597d..a3ee45c809 100644
--- a/src/mainboard/google/poppy/variants/soraka/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
@@ -47,7 +47,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "1" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
diff --git a/src/mainboard/intel/kblrvp/Kconfig b/src/mainboard/intel/kblrvp/Kconfig
index f1db3dac3f..5dccdaed93 100644
--- a/src/mainboard/intel/kblrvp/Kconfig
+++ b/src/mainboard/intel/kblrvp/Kconfig
@@ -84,4 +84,9 @@ config DIMM_SPD_SIZE
config UART_FOR_CONSOLE
int
default 2
+
+config USE_PM_ACPI_TIMER
+ default n if BOARD_INTEL_KBLRVP3
+ default n if BOARD_INTEL_KBLRVP7
+
endif
diff --git a/src/mainboard/intel/kblrvp/variants/rvp11/overridetree.cb b/src/mainboard/intel/kblrvp/variants/rvp11/overridetree.cb
index fbf08cde3f..782f3dc524 100644
--- a/src/mainboard/intel/kblrvp/variants/rvp11/overridetree.cb
+++ b/src/mainboard/intel/kblrvp/variants/rvp11/overridetree.cb
@@ -3,7 +3,6 @@ chip soc/intel/skylake
# FSP Configuration
register "DspEnable" = "0"
register "ScsEmmcHs400Enabled" = "0"
- register "PmTimerDisabled" = "0"
register "serirq_mode" = "SERIRQ_CONTINUOUS"
diff --git a/src/mainboard/intel/kblrvp/variants/rvp3/overridetree.cb b/src/mainboard/intel/kblrvp/variants/rvp3/overridetree.cb
index 0754c0735e..397155b789 100644
--- a/src/mainboard/intel/kblrvp/variants/rvp3/overridetree.cb
+++ b/src/mainboard/intel/kblrvp/variants/rvp3/overridetree.cb
@@ -8,7 +8,6 @@ chip soc/intel/skylake
# FSP Configuration
register "DspEnable" = "1"
- register "PmTimerDisabled" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
diff --git a/src/mainboard/intel/kblrvp/variants/rvp7/overridetree.cb b/src/mainboard/intel/kblrvp/variants/rvp7/overridetree.cb
index 11f9c01501..e649ed72e7 100644
--- a/src/mainboard/intel/kblrvp/variants/rvp7/overridetree.cb
+++ b/src/mainboard/intel/kblrvp/variants/rvp7/overridetree.cb
@@ -12,9 +12,6 @@ chip soc/intel/skylake
# EC host command ranges are in 0x800-0x8ff & 0x200-0x20f
register "gen2_dec" = "0x000c0201"
- # FSP Configuration
- register "PmTimerDisabled" = "1"
-
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------+-------+
#| Domain/Setting | SA | IA | GTUS | GTS |
diff --git a/src/mainboard/intel/kblrvp/variants/rvp8/overridetree.cb b/src/mainboard/intel/kblrvp/variants/rvp8/overridetree.cb
index 78552fcdd5..115e338199 100644
--- a/src/mainboard/intel/kblrvp/variants/rvp8/overridetree.cb
+++ b/src/mainboard/intel/kblrvp/variants/rvp8/overridetree.cb
@@ -6,7 +6,6 @@ chip soc/intel/skylake
# FSP Configuration
register "ScsEmmcHs400Enabled" = "0"
- register "PmTimerDisabled" = "0"
register "serirq_mode" = "SERIRQ_CONTINUOUS"
diff --git a/src/mainboard/intel/kunimitsu/Kconfig b/src/mainboard/intel/kunimitsu/Kconfig
index 6e745d947a..b9b7d5a394 100644
--- a/src/mainboard/intel/kunimitsu/Kconfig
+++ b/src/mainboard/intel/kunimitsu/Kconfig
@@ -60,4 +60,8 @@ config INCLUDE_NHLT_BLOBS
config UART_FOR_CONSOLE
int
default 2
+
+config USE_PM_ACPI_TIMER
+ default n
+
endif
diff --git a/src/mainboard/intel/kunimitsu/devicetree.cb b/src/mainboard/intel/kunimitsu/devicetree.cb
index 07afb7bd1b..85586cb137 100644
--- a/src/mainboard/intel/kunimitsu/devicetree.cb
+++ b/src/mainboard/intel/kunimitsu/devicetree.cb
@@ -27,7 +27,6 @@ chip soc/intel/skylake
register "SkipExtGfxScan" = "1"
register "HeciEnabled" = "0"
register "SaGv" = "SaGv_Enabled"
- register "PmTimerDisabled" = "1"
# Enabling SLP_S3#, SLP_S4#, SLP_SUS and SLP_A Stretch
# SLP_S3 Minimum Assertion Width. Values 0: 60us, 1: 1ms, 2: 50ms, 3: 2s
diff --git a/src/mainboard/intel/saddlebrook/devicetree.cb b/src/mainboard/intel/saddlebrook/devicetree.cb
index 5c64326e3e..0da097fa4a 100644
--- a/src/mainboard/intel/saddlebrook/devicetree.cb
+++ b/src/mainboard/intel/saddlebrook/devicetree.cb
@@ -21,7 +21,6 @@ chip soc/intel/skylake
register "SkipExtGfxScan" = "1"
register "SaGv" = "SaGv_Enabled"
- register "PmTimerDisabled" = "0"
# Enabling SLP_S3#, SLP_S4#, SLP_SUS and SLP_A Stretch
# SLP_S3 Minimum Assertion Width. Values 0: 60us, 1: 1ms, 2: 50ms, 3: 2s
diff --git a/src/mainboard/libretrend/lt1000/Kconfig b/src/mainboard/libretrend/lt1000/Kconfig
index 9c4223ae4b..bfd532a85a 100644
--- a/src/mainboard/libretrend/lt1000/Kconfig
+++ b/src/mainboard/libretrend/lt1000/Kconfig
@@ -44,4 +44,7 @@ config CBFS_SIZE
hex
default 0x600000
+config USE_PM_ACPI_TIMER
+ default n
+
endif
diff --git a/src/mainboard/libretrend/lt1000/devicetree.cb b/src/mainboard/libretrend/lt1000/devicetree.cb
index 911690f053..f6e73c6bd6 100644
--- a/src/mainboard/libretrend/lt1000/devicetree.cb
+++ b/src/mainboard/libretrend/lt1000/devicetree.cb
@@ -55,7 +55,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "3" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "1"
# VR Settings Configuration for 4 Domains
#+----------------+-------+-------+-------------+-------+
diff --git a/src/mainboard/protectli/vault_kbl/Kconfig b/src/mainboard/protectli/vault_kbl/Kconfig
index 518bb6dca5..7cf80e0a91 100644
--- a/src/mainboard/protectli/vault_kbl/Kconfig
+++ b/src/mainboard/protectli/vault_kbl/Kconfig
@@ -51,4 +51,7 @@ config CBFS_SIZE
hex
default 0x600000
+config USE_PM_ACPI_TIMER
+ default n
+
endif
diff --git a/src/mainboard/protectli/vault_kbl/devicetree.cb b/src/mainboard/protectli/vault_kbl/devicetree.cb
index e6e748a247..d8e68a2373 100644
--- a/src/mainboard/protectli/vault_kbl/devicetree.cb
+++ b/src/mainboard/protectli/vault_kbl/devicetree.cb
@@ -40,7 +40,6 @@ chip soc/intel/skylake
register "ScsEmmcHs400Enabled" = "0"
register "SkipExtGfxScan" = "1"
register "HeciEnabled" = "1"
- register "PmTimerDisabled" = "1"
register "SaGv" = "SaGv_Enabled"
register "IslVrCmd" = "2"
register "PmConfigSlpS3MinAssert" = "2" # 50ms
diff --git a/src/mainboard/purism/librem_skl/devicetree.cb b/src/mainboard/purism/librem_skl/devicetree.cb
index 2c73280148..b796fbbc9c 100644
--- a/src/mainboard/purism/librem_skl/devicetree.cb
+++ b/src/mainboard/purism/librem_skl/devicetree.cb
@@ -61,7 +61,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "3" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "0"
# EC/KBC requires continuous mode
register "serirq_mode" = "SERIRQ_CONTINUOUS"
diff --git a/src/mainboard/razer/blade_stealth_kbl/devicetree.cb b/src/mainboard/razer/blade_stealth_kbl/devicetree.cb
index 4f8ceb6815..15ea78538e 100644
--- a/src/mainboard/razer/blade_stealth_kbl/devicetree.cb
+++ b/src/mainboard/razer/blade_stealth_kbl/devicetree.cb
@@ -41,7 +41,6 @@ chip soc/intel/skylake
register "PmConfigSlpS4MinAssert" = "1" # 1s
register "PmConfigSlpSusMinAssert" = "3" # 500ms
register "PmConfigSlpAMinAssert" = "3" # 2s
- register "PmTimerDisabled" = "0"
register "serirq_mode" = "SERIRQ_CONTINUOUS"