diff --git a/cmd/bcb.c b/cmd/bcb.c
index b9cd20ea3d..5da3526142 100644
--- a/cmd/bcb.c
+++ b/cmd/bcb.c
@@ -6,6 +6,7 @@
  */
 
 #include <android_bootloader_message.h>
+#include <bcb.h>
 #include <command.h>
 #include <common.h>
 #include <log.h>
@@ -307,6 +308,25 @@ static int do_bcb_store(struct cmd_tbl *cmdtp, int flag, int argc,
 	return __bcb_store();
 }
 
+int bcb_write_reboot_reason(int devnum, char *partp, char *reasonp)
+{
+	int ret;
+
+	ret = __bcb_load(devnum, partp);
+	if (ret != CMD_RET_SUCCESS)
+		return ret;
+
+	ret = __bcb_set("command", reasonp);
+	if (ret != CMD_RET_SUCCESS)
+		return ret;
+
+	ret = __bcb_store();
+	if (ret != CMD_RET_SUCCESS)
+		return ret;
+
+	return 0;
+}
+
 static struct cmd_tbl cmd_bcb_sub[] = {
 	U_BOOT_CMD_MKENT(load, CONFIG_SYS_MAXARGS, 1, do_bcb_load, "", ""),
 	U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 1, do_bcb_set, "", ""),
diff --git a/include/bcb.h b/include/bcb.h
new file mode 100644
index 0000000000..5bb8d8346c
--- /dev/null
+++ b/include/bcb.h
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Eugeniu Rosca <rosca.eugeniu@gmail.com>
+ *
+ * Android Bootloader Control Block Header
+ */
+
+#ifndef __BCB_H__
+#define __BCB_H__
+
+#if CONFIG_IS_ENABLED(CMD_BCB)
+int bcb_write_reboot_reason(int devnum, char *partp, char *reasonp);
+#else
+#include <linux/errno.h>
+static inline int bcb_write_reboot_reason(int devnum, char *partp, char *reasonp)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#endif /* __BCB_H__ */