diff --git a/src/soc/amd/cezanne/bootblock.c b/src/soc/amd/cezanne/bootblock.c
index 3fd567720e..7fe9f81e28 100644
--- a/src/soc/amd/cezanne/bootblock.c
+++ b/src/soc/amd/cezanne/bootblock.c
@@ -2,11 +2,20 @@
 
 #include <amdblocks/amd_pci_mmconf.h>
 #include <bootblock_common.h>
+#include <cpu/x86/tsc.h>
 #include <stdint.h>
 
 asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
 {
 	enable_pci_mmconf();
+
+	/*
+	 * base_timestamp is raw tsc value. We need to divide by tsc_freq_mhz
+	 * to get micro-seconds granularity.
+	 */
+	base_timestamp /= tsc_freq_mhz();
+
+	bootblock_main_with_basetime(base_timestamp);
 }
 
 void bootblock_soc_early_init(void)