diff --git a/src/mainboard/system76/galp5/Kconfig b/src/mainboard/system76/galp5/Kconfig
index 76eea74305..0e964e2cad 100644
--- a/src/mainboard/system76/galp5/Kconfig
+++ b/src/mainboard/system76/galp5/Kconfig
@@ -18,6 +18,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select MAINBOARD_HAS_TPM2
 	select NO_UART_ON_SUPERIO
 	select PCIEXP_HOTPLUG
+	select SERIRQ_CONTINUOUS_MODE
 	select SOC_INTEL_TIGERLAKE
 	select SOC_INTEL_COMMON_BLOCK_HDA
 	select SOC_INTEL_COMMON_BLOCK_HDA_VERB
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
index 4df2e852ca..3ef9a784ae 100644
--- a/src/soc/intel/tigerlake/Kconfig
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -216,4 +216,10 @@ config SOC_INTEL_TIGERLAKE_DEBUG_CONSENT
 config PRERAM_CBMEM_CONSOLE_SIZE
 	hex
 	default 0x2000
+
+config SERIRQ_CONTINUOUS_MODE
+	bool
+	help
+	  If you set this option to y, the serial IRQ machine will be
+	  operated in continuous mode.
 endif