diff --git a/config/coreboot-kgpe-d16_server-whiptail.config b/config/coreboot-kgpe-d16_server-whiptail.config
index ce63f671f..009414bf2 100644
--- a/config/coreboot-kgpe-d16_server-whiptail.config
+++ b/config/coreboot-kgpe-d16_server-whiptail.config
@@ -169,7 +169,7 @@ CONFIG_HEAP_SIZE=0xc0000
 # CONFIG_CONSOLE_POST is not set
 CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
 CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
-CONFIG_LINUX_COMMAND_LINE="nohz=on console=tty0 earlyprintk=tty0"
+CONFIG_LINUX_COMMAND_LINE="nohz=on console=tty0 earlyprintk=tty0 quiet loglevel=2"
 CONFIG_BOARD_ROMSIZE_KB_2048=y
 # CONFIG_COREBOOT_ROMSIZE_KB_64 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_128 is not set
diff --git a/config/coreboot-kgpe-d16_server.config b/config/coreboot-kgpe-d16_server.config
index bcfc25e52..d7ef7c27b 100644
--- a/config/coreboot-kgpe-d16_server.config
+++ b/config/coreboot-kgpe-d16_server.config
@@ -169,7 +169,7 @@ CONFIG_HEAP_SIZE=0xc0000
 # CONFIG_CONSOLE_POST is not set
 CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
 CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
-CONFIG_LINUX_COMMAND_LINE="nohz=on console=ttyS1,115200n8 earlyprintk=ttyS1,115200"
+CONFIG_LINUX_COMMAND_LINE="nohz=on console=ttyS1,115200n8 earlyprintk=ttyS1,115200 quiet loglevel=2"
 CONFIG_BOARD_ROMSIZE_KB_2048=y
 # CONFIG_COREBOOT_ROMSIZE_KB_64 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_128 is not set
diff --git a/config/coreboot-kgpe-d16_workstation-usb_keyboard.config b/config/coreboot-kgpe-d16_workstation-usb_keyboard.config
index ce63f671f..009414bf2 100644
--- a/config/coreboot-kgpe-d16_workstation-usb_keyboard.config
+++ b/config/coreboot-kgpe-d16_workstation-usb_keyboard.config
@@ -169,7 +169,7 @@ CONFIG_HEAP_SIZE=0xc0000
 # CONFIG_CONSOLE_POST is not set
 CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
 CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
-CONFIG_LINUX_COMMAND_LINE="nohz=on console=tty0 earlyprintk=tty0"
+CONFIG_LINUX_COMMAND_LINE="nohz=on console=tty0 earlyprintk=tty0 quiet loglevel=2"
 CONFIG_BOARD_ROMSIZE_KB_2048=y
 # CONFIG_COREBOOT_ROMSIZE_KB_64 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_128 is not set
diff --git a/config/coreboot-kgpe-d16_workstation.config b/config/coreboot-kgpe-d16_workstation.config
index ce63f671f..009414bf2 100644
--- a/config/coreboot-kgpe-d16_workstation.config
+++ b/config/coreboot-kgpe-d16_workstation.config
@@ -169,7 +169,7 @@ CONFIG_HEAP_SIZE=0xc0000
 # CONFIG_CONSOLE_POST is not set
 CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
 CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
-CONFIG_LINUX_COMMAND_LINE="nohz=on console=tty0 earlyprintk=tty0"
+CONFIG_LINUX_COMMAND_LINE="nohz=on console=tty0 earlyprintk=tty0 quiet loglevel=2"
 CONFIG_BOARD_ROMSIZE_KB_2048=y
 # CONFIG_COREBOOT_ROMSIZE_KB_64 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_128 is not set
diff --git a/config/coreboot-p8z77-m_pro-tpm1.config b/config/coreboot-p8z77-m_pro-tpm1.config
index 98337c47e..d467890ff 100644
--- a/config/coreboot-p8z77-m_pro-tpm1.config
+++ b/config/coreboot-p8z77-m_pro-tpm1.config
@@ -196,7 +196,7 @@ CONFIG_DRIVERS_UART_8250IO=y
 CONFIG_HEAP_SIZE=0x4000
 CONFIG_EC_GPE_SCI=0x50
 CONFIG_TPM_MEASURED_BOOT=y
-CONFIG_LINUX_COMMAND_LINE="nohz=off"
+CONFIG_LINUX_COMMAND_LINE="nohz=off quiet loglevel=2"
 CONFIG_BOARD_ROMSIZE_KB_8192=y
 # CONFIG_COREBOOT_ROMSIZE_KB_256 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_512 is not set
diff --git a/config/coreboot-z220-cmt.config b/config/coreboot-z220-cmt.config
index 2bd194899..0b14b62a7 100644
--- a/config/coreboot-z220-cmt.config
+++ b/config/coreboot-z220-cmt.config
@@ -187,7 +187,7 @@ CONFIG_DRIVERS_UART_8250IO=y
 CONFIG_HEAP_SIZE=0x4000
 CONFIG_EC_GPE_SCI=0x50
 CONFIG_TPM_MEASURED_BOOT=y
-CONFIG_LINUX_COMMAND_LINE="nohz=off"
+CONFIG_LINUX_COMMAND_LINE="nohz=off quiet loglevel=2"
 CONFIG_BOARD_ROMSIZE_KB_16384=y
 # CONFIG_COREBOOT_ROMSIZE_KB_256 is not set
 # CONFIG_COREBOOT_ROMSIZE_KB_512 is not set