[MTD] [NAND] Freescale i.MX2 NAND driver

This patch adds support for the integrated NAND flash controller of the
i.MX2 and i.MX3 family. It is tested on MX27 but should work on MX3
aswell.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NJuergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

arch/arm/plat-mxc/include/mach/mxc_nand.h

+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __ASM_ARCH_NAND_H
+#define __ASM_ARCH_NAND_H
+
+struct mxc_nand_platform_data {
+	int width;	/* data bus width in bytes */
+	int hw_ecc;	/* 0 if supress hardware ECC */
+};
+#endif /* __ASM_ARCH_NAND_H */

drivers/mtd/nand/Kconfig

@@ -407,4 +407,11 @@ config MTD_NAND_FSL_UPM
 	  Enables support for NAND Flash chips wired onto Freescale PowerPC
 	  processor localbus with User-Programmable Machine support.
 
+config MTD_NAND_MXC
+	tristate "MXC NAND support"
+	depends on ARCH_MX2
+	help
+	  This enables the driver for the NAND flash controller on the
+	  MXC processors.
+
 endif # MTD_NAND

drivers/mtd/nand/Makefile

@@ -33,5 +33,6 @@ obj-$(CONFIG_MTD_NAND_PASEMI)		+= pasemi_nand.o
 obj-$(CONFIG_MTD_NAND_ORION)		+= orion_nand.o
 obj-$(CONFIG_MTD_NAND_FSL_ELBC)		+= fsl_elbc_nand.o
 obj-$(CONFIG_MTD_NAND_FSL_UPM)		+= fsl_upm.o
+obj-$(CONFIG_MTD_NAND_MXC)		+= mxc_nand.o
 
 nand-objs := nand_base.o nand_bbt.o