* Code cleanup

* Patch by Sascha Hauer, 28 Jun:
  - add generic support for Motorola i.MX architecture
  - add support for mx1ads, mx1fs2 and scb9328 boards

* Patches by Marc Leeman, 23 Jul 2004:
  - Add define for the PCI/Memory Buffer Configuration Register
  - corrected comments in cpu/mpc824x/cpu_init.c

* Add support for multiple serial interfaces
  (for example to allow modem dial-in / dial-out)
diff --git a/include/serial.h b/include/serial.h
new file mode 100644
index 0000000..c206540
--- /dev/null
+++ b/include/serial.h
@@ -0,0 +1,30 @@
+#ifndef __SERIAL_H__
+#define __SERIAL_H__
+
+#define NAMESIZE 16
+#define CTLRSIZE 8
+
+struct serial_device {
+	char name[NAMESIZE];
+	char ctlr[CTLRSIZE];
+
+	int  (*init) (void);
+	void (*setbrg) (void);
+	int (*getc) (void);
+	int (*tstc) (void);
+	void (*putc) (const char c);
+	void (*puts) (const char *s);
+
+	struct serial_device *next;
+};
+
+extern struct serial_device serial_smc_device;
+extern struct serial_device serial_scc_device;
+extern struct serial_device * default_serial_console (void);
+
+extern void serial_initialize(void);
+extern void serial_devices_init(void);
+extern int serial_assign(char * name);
+extern void serial_reinit_all(void);
+
+#endif