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fsl_ddr: Adds 16 bit DDR Data width option

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Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Poonam Aggrwal 2011-02-07 15:09:51 +05:30 committed by Kumar Gala
parent 09f9ee1695
commit 0b3b1766b7
2 changed files with 4 additions and 1 deletions
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4
arch/powerpc/cpu/mpc8xxx/ddr/util.c
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@ -1,5 +1,5 @@
/*
* 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");

1
arch/powerpc/include/asm/fsl_ddr_sdram.h
View File

@ -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