omap2/3/4: Introducing 'gpmc-nand.c' for GPMC specific NAND init

Introducing 'gpmc-nand.c' for GPMC specific NAND init.
For example: GPMC timing parameters and all.
This patch also migrates gpmc related calls from 'nand/omap2.c'
to 'gpmc-nand.c'.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h
index 631a7bed1ee..6ba88d2630d 100644
--- a/arch/arm/plat-omap/include/plat/nand.h
+++ b/arch/arm/plat-omap/include/plat/nand.h
@@ -15,10 +15,18 @@ struct omap_nand_platform_data {
         int                     cs;
         int                     gpio_irq;
         struct mtd_partition    *parts;
+        struct gpmc_timings     *gpmc_t;
         int                     nr_parts;
-        int                     (*nand_setup)(void __iomem *);
+        int                     (*nand_setup)(void);
         int                     (*dev_ready)(struct omap_nand_platform_data *);
         int                     dma_channel;
+        unsigned long           phys_base;
         void __iomem            *gpmc_cs_baseaddr;
         void __iomem            *gpmc_baseaddr;
+        int                     devsize;
 };
+
+/* size (4 KiB) for IO mapping */
+#define NAND_IO_SIZE    SZ_4K
+
+extern int gpmc_nand_init(struct omap_nand_platform_data *d);