Re: [U-Boot] [PATCH]fsl_ddr: Adds 16 bit DDR Data width option

[Kumar Gala]

On Feb 7, 2011, at 3:39 AM, Poonam Aggrwal wrote:

> Signed-off-by: Poonam Aggrwal 
> Cc: York Sun 
> ---
> P1014 processor supports maximum 16bit DDR data width.
> Based of: git://git.am.freescale.net/mirrors/u-boot.git (branch, master)
> arch/powerpc/cpu/mpc8xxx/ddr/util.c  |4 +++-
> arch/powerpc/include/asm/fsl_ddr_sdram.h |1 +
> 2 files changed, 4 insertions(+), 1 deletions(-)

applied to 85xx next

- k
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[U-Boot] [PATCH]fsl_ddr: Adds 16 bit DDR Data width option

[Poonam Aggrwal]

Signed-off-by: Poonam Aggrwal 
Cc: York Sun 
---
P1014 processor supports maximum 16bit DDR data width.
Based of: git://git.am.freescale.net/mirrors/u-boot.git (branch, master)
 arch/powerpc/cpu/mpc8xxx/ddr/util.c  |4 +++-
 arch/powerpc/include/asm/fsl_ddr_sdram.h |1 +
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/util.c 
b/arch/powerpc/cpu/mpc8xxx/ddr/util.c
index 1e2d921..a137685 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/util.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/util.c
@@ -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
@@ -141,6 +141,8 @@ 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");
 
diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h 
b/arch/powerpc/include/asm/fsl_ddr_sdram.h
index b5b1efe..99dddb4 100644
--- a/arch/powerpc/include/asm/fsl_ddr_sdram.h
+++ b/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  0x0020
 #define SDRAM_CFG_32_BE0x0008
+#define SDRAM_CFG_16_BE0x0010
 #define SDRAM_CFG_8_BE 0x0004
 #define SDRAM_CFG_NCAP 0x0002
 #define SDRAM_CFG_2T_EN0x8000
-- 
1.6.5.6


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