diff --git a/src/soc/intel/apollolake/bootblock/bootblock.c b/src/soc/intel/apollolake/bootblock/bootblock.c
index 500761315b..4ea3f7060b 100644
--- a/src/soc/intel/apollolake/bootblock/bootblock.c
+++ b/src/soc/intel/apollolake/bootblock/bootblock.c
@@ -17,6 +17,7 @@
 #include <soc/cpu.h>
 #include <soc/northbridge.h>
 #include <soc/pci_devs.h>
+#include <soc/uart.h>
 
 void asmlinkage bootblock_c_entry(void)
 {
@@ -42,3 +43,10 @@ void platform_prog_run(struct prog *prog)
 	msr.lo |= (1 << 8);
 	wrmsr(MSR_POWER_MISC, msr);
 }
+
+void bootblock_soc_early_init(void)
+{
+	/* Prepare UART for serial console. */
+	if (IS_ENABLED(CONFIG_SOC_UART_DEBUG))
+		soc_console_uart_init();
+}