arm: omap: add sdram-nokia.h

Add a header file for Nokia SDRAM functions. Based on patches by Juha
Keski-Saari.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-rx51.c

@@ -32,10 +32,10 @@
 
 #include "mux.h"
 #include "pm.h"
+#include "sdram-nokia.h"
 
 #define RX51_GPIO_SLEEP_IND 162
 
-struct omap_sdrc_params *nokia_get_sdram_timings(void);
 extern void rx51_video_mem_init(void);
 
 static struct gpio_led gpio_leds[] = {

arch/arm/mach-omap2/sdram-nokia.c

@@ -22,6 +22,7 @@
 #include <plat/clock.h>
 #include <plat/sdrc.h>
 
+#include "sdram-nokia.h"
 
 /* In picoseconds, except for tREF (ns), tXP, tCKE, tWTR (clks) */
 struct sdram_timings {

arch/arm/mach-omap2/sdram-nokia.h

+/*
+ * SDRC register values for Nokia boards
+ *
+ * Copyright (C) 2010 Nokia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct omap_sdrc_params *nokia_get_sdram_timings(void);
+