diff --git a/src/soc/samsung/exynos5420/uart.c b/src/soc/samsung/exynos5420/uart.c
index 00ed43298e..6f54c003ba 100644
--- a/src/soc/samsung/exynos5420/uart.c
+++ b/src/soc/samsung/exynos5420/uart.c
@@ -184,6 +184,8 @@ void uart_fill_lb(void *data)
 	serial.baseaddr = uart_platform_base(CONFIG_UART_FOR_CONSOLE);
 	serial.baud = default_baudrate();
 	serial.regwidth = 4;
+	serial.input_hertz = uart_platform_refclk();
+	serial.uart_pci_addr = 0;
 	lb_add_serial(&serial, data);
 
 	lb_add_console(LB_TAG_CONSOLE_SERIAL8250MEM, data);