NAND: DaVinci: V2 Adding 4 BIT ECC support

This patch adds 4 BIT ECC support in the DaVinci NAND
driver. Tested on both the DM355 and DM365.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/include/asm-arm/arch-davinci/emif_defs.h b/include/asm-arm/arch-davinci/emif_defs.h
index 646fc77..c91e30c 100644
--- a/include/asm-arm/arch-davinci/emif_defs.h
+++ b/include/asm-arm/arch-davinci/emif_defs.h
@@ -55,6 +55,16 @@
 	dv_reg		NANDF2ECC;
 	dv_reg		NANDF3ECC;
 	dv_reg		NANDF4ECC;
+	u_int8_t	RSVD2[60];
+	dv_reg		NAND4BITECCLOAD;
+	dv_reg		NAND4BITECC1;
+	dv_reg		NAND4BITECC2;
+	dv_reg		NAND4BITECC3;
+	dv_reg		NAND4BITECC4;
+	dv_reg		NANDERRADD1;
+	dv_reg		NANDERRADD2;
+	dv_reg		NANDERRVAL1;
+	dv_reg		NANDERRVAL2;
 } emif_registers;
 
 typedef emif_registers	*emifregs;