diff --git a/src/mainboard/google/zork/variants/berknip/overridetree.cb b/src/mainboard/google/zork/variants/berknip/overridetree.cb
index ead39cb8bd..31bf64336a 100644
--- a/src/mainboard/google/zork/variants/berknip/overridetree.cb
+++ b/src/mainboard/google/zork/variants/berknip/overridetree.cb
@@ -66,8 +66,11 @@ chip soc/amd/picasso
 			register "probed" = "1"
 			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_12)"
 			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
-			register "reset_delay_ms" = "20"
+			# 32ms: Rise time of the reset line
+			# 20ms: Firmware ready time
+			register "reset_delay_ms" = "32 + 20"
 			register "has_power_resource" = "1"
+			register "disable_gpio_export_in_crs" = "1"
 			device i2c 39 on end
 		end
 		chip drivers/i2c/generic
diff --git a/src/mainboard/google/zork/variants/dalboz/overridetree.cb b/src/mainboard/google/zork/variants/dalboz/overridetree.cb
index bcfff1f4e0..9fe15c5d34 100644
--- a/src/mainboard/google/zork/variants/dalboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/dalboz/overridetree.cb
@@ -49,8 +49,11 @@ chip soc/amd/picasso
 			register "probed" = "1"
 			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_12)"
 			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
-			register "reset_delay_ms" = "20"
+			# 32ms: Rise time of the reset line
+			# 20ms: Firmware ready time
+			register "reset_delay_ms" = "32 + 20"
 			register "has_power_resource" = "1"
+			register "disable_gpio_export_in_crs" = "1"
 			device i2c 39 on end
 		end
 		chip drivers/i2c/generic
diff --git a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb
index a4cdac6c4b..55790153d1 100644
--- a/src/mainboard/google/zork/variants/ezkinil/overridetree.cb
+++ b/src/mainboard/google/zork/variants/ezkinil/overridetree.cb
@@ -68,8 +68,11 @@ chip soc/amd/picasso
 			register "probed" = "1"
 			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_12)"
 			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
-			register "reset_delay_ms" = "20"
+			# 32ms: Rise time of the reset line
+			# 20ms: Firmware ready time
+			register "reset_delay_ms" = "32 + 20"
 			register "has_power_resource" = "1"
+			register "disable_gpio_export_in_crs" = "1"
 			device i2c 39 on end
 		end
 		chip drivers/i2c/hid
diff --git a/src/mainboard/google/zork/variants/trembyle/overridetree.cb b/src/mainboard/google/zork/variants/trembyle/overridetree.cb
index 4cd53eea45..bead29335d 100644
--- a/src/mainboard/google/zork/variants/trembyle/overridetree.cb
+++ b/src/mainboard/google/zork/variants/trembyle/overridetree.cb
@@ -66,8 +66,11 @@ chip soc/amd/picasso
 			register "probed" = "1"
 			register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_12)"
 			register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
-			register "reset_delay_ms" = "20"
+			# 32ms: Rise time of the reset line
+			# 20ms: Firmware ready time
+			register "reset_delay_ms" = "32 + 20"
 			register "has_power_resource" = "1"
+			register "disable_gpio_export_in_crs" = "1"
 			device i2c 39 on end
 		end
 		chip drivers/i2c/generic