ppc32: allow usage of gen550 on platforms that do not define SERIAL_PORT_DFNS

[Kumar Gala]

Allows a platform to initialize serial_state completely from gen550_init 
and no longer requires it to define SERIAL_PORT_DFNS.

Signed-off-by: Kumar Gala <kumar.gala at freescale.com>

---
diff -Nru a/arch/ppc/syslib/gen550_dbg.c b/arch/ppc/syslib/gen550_dbg.c
--- a/arch/ppc/syslib/gen550_dbg.c	2005-01-21 10:43:30 -06:00
+++ b/arch/ppc/syslib/gen550_dbg.c	2005-01-21 10:43:30 -06:00
@@ -29,6 +29,11 @@
 
 #define SERIAL_BAUD	9600
 
+/* SERIAL_PORT_DFNS is defined in <asm/serial.h> */
+#ifndef SERIAL_PORT_DFNS
+#define SERIAL_PORT_DFNS
+#endif
+
 static struct serial_state rs_table[RS_TABLE_SIZE] = {
 	SERIAL_PORT_DFNS	/* defined in <asm/serial.h> */
 };
@@ -154,6 +159,7 @@
 	rs_table[i].port = serial_req->iobase;
 	rs_table[i].iomem_base = serial_req->membase;
 	rs_table[i].iomem_reg_shift = serial_req->regshift;
+	rs_table[i].baud_base = serial_req->uartclk ? serial_req->uartclk / 16 : BASE_BAUD;
 }
 
 #ifdef CONFIG_SERIAL_TEXT_DEBUG