diff --git a/include/asm-ppc64/udbg.h b/include/asm-ppc64/udbg.h
new file mode 100644
index 0000000..a6e04d0
--- /dev/null
+++ b/include/asm-ppc64/udbg.h
@@ -0,0 +1,28 @@
+#ifndef __UDBG_HDR
+#define __UDBG_HDR
+
+#include <linux/compiler.h>
+
+/*
+ * c 2001 PPC 64 Team, IBM Corp
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+void udbg_init_uart(void __iomem *comport, unsigned int speed);
+void udbg_putc(unsigned char c);
+unsigned char udbg_getc(void);
+int udbg_getc_poll(void);
+void udbg_puts(const char *s);
+int udbg_write(const char *s, int n);
+int udbg_read(char *buf, int buflen);
+struct console;
+void udbg_console_write(struct console *con, const char *s, unsigned int n);
+void udbg_printf(const char *fmt, ...);
+void udbg_ppcdbg(unsigned long flags, const char *fmt, ...);
+unsigned long udbg_ifdebug(unsigned long flags);
+
+#endif