mtd: nand: s3c: Unify the register definition and naming

Merge struct s3c2410_nand and struct s3c2440_nand into one unified
struct s3c24x0_nand. While at it, fix up and rename the functions
to retrieve the NAND base address and fix up the s3c NAND driver to
reflect this change.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
diff --git a/arch/arm/include/asm/arch-s3c24x0/s3c2410.h b/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
index ce4186f..8773ce3 100644
--- a/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
+++ b/arch/arm/include/asm/arch-s3c24x0/s3c2410.h
@@ -83,9 +83,9 @@
 	return (struct s3c24x0_lcd *)S3C24X0_LCD_BASE;
 }
 
-static inline struct s3c2410_nand *s3c2410_get_base_nand(void)
+static inline struct s3c24x0_nand *s3c24x0_get_base_nand(void)
 {
-	return (struct s3c2410_nand *)S3C2410_NAND_BASE;
+	return (struct s3c24x0_nand *)S3C2410_NAND_BASE;
 }
 
 static inline struct s3c24x0_uart
diff --git a/arch/arm/include/asm/arch-s3c24x0/s3c2440.h b/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
index 3f44bdc..7a525f2 100644
--- a/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
+++ b/arch/arm/include/asm/arch-s3c24x0/s3c2440.h
@@ -81,9 +81,9 @@
 	return (struct s3c24x0_lcd *)S3C24X0_LCD_BASE;
 }
 
-static inline struct s3c2440_nand *s3c2440_get_base_nand(void)
+static inline struct s3c24x0_nand *s3c24x0_get_base_nand(void)
 {
-	return (struct s3c2440_nand *)S3C2440_NAND_BASE;
+	return (struct s3c24x0_nand *)S3C2440_NAND_BASE;
 }
 
 static inline struct s3c24x0_uart
diff --git a/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h b/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
index ed9df34..2dae9fc 100644
--- a/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
+++ b/arch/arm/include/asm/arch-s3c24x0/s3c24x0.h
@@ -135,34 +135,33 @@
 };
 
 
-#ifdef CONFIG_S3C2410
-/* NAND FLASH (see S3C2410 manual chapter 6) */
-struct s3c2410_nand {
+/* NAND FLASH (see manual chapter 6) */
+struct s3c24x0_nand {
 	u32	nfconf;
-	u32	nfcmd;
-	u32	nfaddr;
-	u32	nfdata;
-	u32	nfstat;
-	u32	nfecc;
-};
-#endif
-#ifdef CONFIG_S3C2440
-/* NAND FLASH (see S3C2440 manual chapter 6) */
-struct s3c2440_nand {
-	u32	nfconf;
+#ifndef CONFIG_S3C2410
 	u32	nfcont;
+#endif
 	u32	nfcmd;
 	u32	nfaddr;
 	u32	nfdata;
+#ifndef CONFIG_S3C2410
 	u32	nfeccd0;
 	u32	nfeccd1;
 	u32	nfeccd;
+#endif
 	u32	nfstat;
+#ifdef CONFIG_S3C2410
+	u32	nfecc;
+#else
 	u32	nfstat0;
 	u32	nfstat1;
-};
+	u32	nfmecc0;
+	u32	nfmecc1;
+	u32	nfsecc;
+	u32	nfsblk;
+	u32	nfeblk;
 #endif
-
+};
 
 /* UART (see manual chapter 11) */
 struct s3c24x0_uart {