MTD: NAND: Add omap support for 2K page nand

Add support for 2k Page nand with Enabled HW ECC on omap2430
v4.0. and v5. It has been Tested with Micron Nand.
Signed-off-by: Shahrom Sharif-Kashani <sshahrom@micron.com>

Moved defines from nand.h to omap2.c, cleaned up spacing and
comments a bit.
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/mtd/nand/Kconfig

@@ -69,6 +69,12 @@ config MTD_NAND_AMS_DELTA
 	help
 	  Support for NAND flash on Amstrad E3 (Delta).
 
+config MTD_NAND_OMAP2
+	tristate "NAND Flash device on OMAP 2420H4/2430SDP boards"
+	depends on (ARM && ARCH_OMAP2 && MTD_NAND)
+	help
+          Support for NAND flash on Texas Instruments 2430SDP/2420H4 platforms.
+
 config MTD_NAND_OMAP
 	tristate "NAND Flash device on OMAP H3/H2/P2 boards"
 	depends on ARM && ARCH_OMAP1 && MTD_NAND && (MACH_OMAP_H2 || MACH_OMAP_H3 || MACH_OMAP_PERSEUS2)

drivers/mtd/nand/Makefile

@@ -25,6 +25,7 @@ obj-$(CONFIG_MTD_NAND_NANDSIM)		+= nandsim.o
 obj-$(CONFIG_MTD_NAND_CS553X)		+= cs553x_nand.o
 obj-$(CONFIG_MTD_NAND_NDFC)		+= ndfc.o
 obj-$(CONFIG_MTD_NAND_OMAP) 		+= omap-nand-flash.o
+obj-$(CONFIG_MTD_NAND_OMAP2) 		+= omap2.o
 obj-$(CONFIG_MTD_NAND_OMAP_HW)		+= omap-hw.o
 obj-$(CONFIG_MTD_NAND_AT91)		+= at91_nand.o
 obj-$(CONFIG_MTD_NAND_CM_X270)		+= cmx270_nand.o

include/asm-arm/arch-omap/nand.h

+/*
+ * include/asm-arm/arch-omap/nand.h
+ *
+ * Copyright (C) 2006 Micron Technology Inc.
+ *
+ * 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.
+ */
+
+#include <linux/mtd/partitions.h>
+
+struct omap_nand_platform_data {
+	int			cs;
+	int			gpio_irq;
+	struct mtd_partition	*parts;
+	int			nr_parts;
+	int                     (*nand_setup)(void __iomem *);
+	int			dma_channel;
+	void __iomem            *gpmc_cs_baseaddr;
+	void __iomem            *gpmc_baseaddr;
+};