GCC-4.x fixes: clean up global data pointer initialization for all boards.
diff --git a/cpu/ixp/serial.c b/cpu/ixp/serial.c
index aea0cf8..2015958 100644
--- a/cpu/ixp/serial.c
+++ b/cpu/ixp/serial.c
@@ -31,10 +31,10 @@
 #include <common.h>
 #include <asm/arch/ixp425.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 void serial_setbrg (void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	unsigned int quot = 0;
 	int uart = CFG_IXP425_CONSOLE;