diff --git a/board/cr50/board.h b/board/cr50/board.h
index db47101953..27faa9341a 100644
--- a/board/cr50/board.h
+++ b/board/cr50/board.h
@@ -146,6 +146,8 @@
 /* Implement custom udelay, due to usec hwtimer imprecision. */
 #define CONFIG_HW_SPECIFIC_UDELAY
 
+#define CONFIG_TPM_LOGGING
+
 #ifndef __ASSEMBLER__
 
 #include "gpio_signal.h"
diff --git a/common/tpm_registers.c b/common/tpm_registers.c
index b8d522a460..619bfb669b 100644
--- a/common/tpm_registers.c
+++ b/common/tpm_registers.c
@@ -20,6 +20,7 @@
 #include "system.h"
 #include "system_chip.h"
 #include "task.h"
+#include "tpm_log.h"
 #include "tpm_manufacture.h"
 #include "tpm_registers.h"
 #include "util.h"
@@ -696,6 +697,10 @@ int tpm_reset_request(int wait_until_done, int wipe_nvmem_first)
 		return EC_ERROR_BUSY;
 	}
 
+	/* Record input parameters as two bits in the data field. */
+	tpm_log_event(TPM_EVENT_INIT,
+		      (!!wait_until_done << 1) | !!wipe_nvmem_first);
+
 	reset_in_progress = 1;
 	wipe_result = EC_SUCCESS;