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-rw-r--r--src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb12
-rw-r--r--src/mainboard/google/drallion/variants/drallion/devicetree.cb16
-rw-r--r--src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb12
3 files changed, 21 insertions, 19 deletions
diff --git a/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb b/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
index 5f396fe353..11abc87daa 100644
--- a/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/arcada_cml/devicetree.cb
@@ -212,11 +212,13 @@ chip soc/intel/cannonlake
register "gpio_override_pm" = "1"
# GPIO community PM configuration
- register "gpio_pm[COMM_0]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_1]" = "MISCCFG_GPSIDEDPCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN | MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN"
- register "gpio_pm[COMM_2]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_3]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_4]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
+ # Disable dynamic clock gating; with bits 0-5 set in these registers,
+ # some short interrupt pulses were missed (esp. cr50 irq)
+ register "gpio_pm[COMM_0]" = "0"
+ register "gpio_pm[COMM_1]" = "0"
+ register "gpio_pm[COMM_2]" = "0"
+ register "gpio_pm[COMM_3]" = "0"
+ register "gpio_pm[COMM_4]" = "0"
device cpu_cluster 0 on
device lapic 0 on end
diff --git a/src/mainboard/google/drallion/variants/drallion/devicetree.cb b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
index 4c5cff25a0..2fcf191eae 100644
--- a/src/mainboard/google/drallion/variants/drallion/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/drallion/devicetree.cb
@@ -209,15 +209,13 @@ chip soc/intel/cannonlake
register "gpio_override_pm" = "1"
# GPIO community PM configuration
- register "gpio_pm[COMM_0]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_1]" = "MISCCFG_GPSIDEDPCGEN |
- MISCCFG_GPRTCDLCGEN |
- MISCCFG_GSXSLCGEN |
- MISCCFG_GPDPCGEN |
- MISCCFG_GPDLCGEN"
- register "gpio_pm[COMM_2]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_3]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_4]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
+ # Disable dynamic clock gating; with bits 0-5 set in these registers,
+ # some short interrupt pulses were missed (esp. cr50 irq)
+ register "gpio_pm[COMM_0]" = "0"
+ register "gpio_pm[COMM_1]" = "0"
+ register "gpio_pm[COMM_2]" = "0"
+ register "gpio_pm[COMM_3]" = "0"
+ register "gpio_pm[COMM_4]" = "0"
device cpu_cluster 0 on
device lapic 0 on end
diff --git a/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb b/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
index 8cb1aa3001..c466637918 100644
--- a/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
+++ b/src/mainboard/google/drallion/variants/sarien_cml/devicetree.cb
@@ -215,11 +215,13 @@ chip soc/intel/cannonlake
register "gpio_override_pm" = "1"
# GPIO community PM configuration
- register "gpio_pm[COMM_0]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_1]" = "MISCCFG_GPSIDEDPCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN | MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN"
- register "gpio_pm[COMM_2]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_3]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
- register "gpio_pm[COMM_4]" = "MISCCFG_ENABLE_GPIO_PM_CONFIG"
+ # Disable dynamic clock gating; with bits 0-5 set in these registers,
+ # some short interrupt pulses were missed (esp. cr50 irq)
+ register "gpio_pm[COMM_0]" = "0"
+ register "gpio_pm[COMM_1]" = "0"
+ register "gpio_pm[COMM_2]" = "0"
+ register "gpio_pm[COMM_3]" = "0"
+ register "gpio_pm[COMM_4]" = "0"
device cpu_cluster 0 on
device lapic 0 on end