diff --git a/src/drivers/uart/Makefile.inc b/src/drivers/uart/Makefile.inc
index 4b2aa53507..a39cbefed1 100644
--- a/src/drivers/uart/Makefile.inc
+++ b/src/drivers/uart/Makefile.inc
@@ -1,6 +1,7 @@
 ifeq ($(CONFIG_DRIVERS_UART),y)
 
 romstage-y += util.c
+postcar-y += util.c
 ramstage-y += util.c
 bootblock-y += util.c
 verstage-y += util.c
@@ -13,6 +14,7 @@ ifeq ($(CONFIG_DRIVERS_UART_8250IO),y)
 bootblock-y += uart8250io.c
 verstage-y += uart8250io.c
 romstage-y += uart8250io.c
+postcar-y += uart8250io.c
 ramstage-y += uart8250io.c
 smm-$(CONFIG_DEBUG_SMI) += uart8250io.c
 endif
@@ -21,18 +23,21 @@ ifeq ($(CONFIG_DRIVERS_UART_8250MEM),y)
 bootblock-y += uart8250mem.c
 verstage-y += uart8250mem.c
 romstage-y += uart8250mem.c
+postcar-y += uart8250mem.c
 ramstage-y += uart8250mem.c
 smm-$(CONFIG_DEBUG_SMI) += uart8250mem.c
 endif
 
 ifeq ($(CONFIG_DRIVERS_UART_OXPCIE),y)
 ramstage-y += oxpcie_early.c oxpcie.c
+postcar-y += oxpcie_early.c
 romstage-y += oxpcie_early.c
 endif
 
 ifeq ($(CONFIG_DRIVERS_UART_PL011),y)
 bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += pl011.c
 romstage-y += pl011.c
+postcar-y += pl011.c
 ramstage-y += pl011.c
 endif
 
diff --git a/src/include/console/uart.h b/src/include/console/uart.h
index a3d650b500..ffcc088422 100644
--- a/src/include/console/uart.h
+++ b/src/include/console/uart.h
@@ -57,7 +57,7 @@ void oxford_remap(unsigned int new_base);
 
 #define __CONSOLE_SERIAL_ENABLE__	CONFIG_CONSOLE_SERIAL && \
 	(ENV_BOOTBLOCK || ENV_ROMSTAGE || ENV_RAMSTAGE || ENV_VERSTAGE || \
-	(ENV_SMM && CONFIG_DEBUG_SMI))
+	ENV_POSTCAR || (ENV_SMM && CONFIG_DEBUG_SMI))
 
 #if __CONSOLE_SERIAL_ENABLE__
 static inline void __uart_init(void)		{ uart_init(CONFIG_UART_FOR_CONSOLE); }