[U-Boot-Users] tftp alignment exception

[Timur Tabi <timur@freescale.com>]

Dongying_Xu at us.alphanetworks.com wrote:
> 
> Hi Timur,
> Sorry, I haven't read your email until today.  The command I used is
> 
> tftp 4000000 file_name
> 
> I met this problem only when I used one particular brand memory, when 
> tftp, it is very slow and sometime it time-out, sometimes it throws 
> exception. When I change to other brand DDR2 memory, it works fine.  I 
> want to know is this a memory problem or setting problem or boot code 
> problem?  By the way, I used spd setting and manual setting, Both don't 
> work.  Thanks

Try adding this to your board config file:

#define CFG_DDR_SDRAM_CLK_CNTL	(DDR_SDRAM_CLK_CNTL_SS_EN | \
				DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05)

On some 834x systems, CFG_DDR_SDRAM_CLK_CNTL needs to be defined but the header files 
don't define it.

-- 
Timur Tabi
Linux Kernel Developer @ Freescale