fsl_ddr: Adds 16 bit DDR Data width option

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc8xxx/ddr/util.c

 /*
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008-2011 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -139,6 +139,8 @@ void board_add_ram_info(int use_default)
 
 	if (sdram_cfg & SDRAM_CFG_32_BE)
 		puts(", 32-bit");
+	else if (sdram_cfg & SDRAM_CFG_16_BE)
+		puts(", 16-bit");
 	else
 		puts(", 64-bit");
 

arch/powerpc/include/asm/fsl_ddr_sdram.h

@@ -84,6 +84,7 @@ typedef ddr3_spd_eeprom_t generic_spd_eeprom_t;
 #define SDRAM_CFG_SDRAM_TYPE_SHIFT	24
 #define SDRAM_CFG_DYN_PWR		0x00200000
 #define SDRAM_CFG_32_BE			0x00080000
+#define SDRAM_CFG_16_BE			0x00100000
 #define SDRAM_CFG_8_BE			0x00040000
 #define SDRAM_CFG_NCAP			0x00020000
 #define SDRAM_CFG_2T_EN			0x00008000