diff --git a/include/asm-ppc/kgdb.h b/include/asm-ppc/kgdb.h
new file mode 100644
index 0000000..1d3c927
--- /dev/null
+++ b/include/asm-ppc/kgdb.h
@@ -0,0 +1,57 @@
+/*
+ * kgdb.h: Defines and declarations for serial line source level
+ *         remote debugging of the Linux kernel using gdb.
+ *
+ * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+#ifdef __KERNEL__
+#ifndef _PPC_KGDB_H
+#define _PPC_KGDB_H
+
+#ifndef __ASSEMBLY__
+
+/* Things specific to the gen550 backend. */
+struct uart_port;
+
+extern void gen550_progress(char *, unsigned short);
+extern void gen550_kgdb_map_scc(void);
+extern void gen550_init(int, struct uart_port *);
+
+/* Things specific to the pmac backend. */
+extern void zs_kgdb_hook(int tty_num);
+
+/* To init the kgdb engine. (called by serial hook)*/
+extern void set_debug_traps(void);
+
+/* To enter the debugger explicitly. */
+extern void breakpoint(void);
+
+/* For taking exceptions
+ * these are defined in traps.c
+ */
+extern void (*debugger)(struct pt_regs *regs);
+extern int (*debugger_bpt)(struct pt_regs *regs);
+extern int (*debugger_sstep)(struct pt_regs *regs);
+extern int (*debugger_iabr_match)(struct pt_regs *regs);
+extern int (*debugger_dabr_match)(struct pt_regs *regs);
+extern void (*debugger_fault_handler)(struct pt_regs *regs);
+
+/* What we bring to the party */
+int kgdb_bpt(struct pt_regs *regs);
+int kgdb_sstep(struct pt_regs *regs);
+void kgdb(struct pt_regs *regs);
+int kgdb_iabr_match(struct pt_regs *regs);
+int kgdb_dabr_match(struct pt_regs *regs);
+
+/*
+ * external low-level support routines (ie macserial.c)
+ */
+extern void kgdb_interruptible(int); /* control interrupts from serial */
+extern void putDebugChar(char);   /* write a single character      */
+extern char getDebugChar(void);   /* read and return a single char */
+
+#endif /* !(__ASSEMBLY__) */
+#endif /* !(_PPC_KGDB_H) */
+#endif /* __KERNEL__ */