[MTD] [OneNAND] Add OMAP2 / OMAP3 OneNAND driver

This driver had resided in the OMAP tree but is now to be in MTD.

Original authors were:
	Jarkko Lavinen <jarkko.lavinen@nokia.com> and Juha Yrjölä
	IRQ and DMA support written by Timo Teras
Signed-off-by: NAdrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/onenand/Kconfig

@@ -27,6 +27,13 @@ config MTD_ONENAND_GENERIC
 	help
 	  Support for OneNAND flash via platform device driver.
 
+config MTD_ONENAND_OMAP2
+	tristate "OneNAND on OMAP2/OMAP3 support"
+	depends on MTD_ONENAND && (ARCH_OMAP2 || ARCH_OMAP3)
+	help
+	  Support for a OneNAND flash device connected to an OMAP2/OMAP3 CPU
+	  via the GPMC memory controller.
+
 config MTD_ONENAND_OTP
 	bool "OneNAND OTP Support"
 	select HAVE_MTD_OTP

drivers/mtd/onenand/Makefile

@@ -7,6 +7,7 @@ obj-$(CONFIG_MTD_ONENAND)		+= onenand.o
 
 # Board specific.
 obj-$(CONFIG_MTD_ONENAND_GENERIC)	+= generic.o
+obj-$(CONFIG_MTD_ONENAND_OMAP2)		+= omap2.o
 
 # Simulator
 obj-$(CONFIG_MTD_ONENAND_SIM)		+= onenand_sim.o

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

@@ -16,6 +16,11 @@ struct omap_onenand_platform_data {
 	int			gpio_irq;
 	struct mtd_partition	*parts;
 	int			nr_parts;
-	int                     (*onenand_setup)(void __iomem *);
+	int                     (*onenand_setup)(void __iomem *, int freq);
 	int			dma_channel;
 };
+
+int omap2_onenand_rephase(void);
+
+#define ONENAND_MAX_PARTITIONS 8
+