[U-Boot-Users] tftp alignment exception

Dongying_Xu at us.alphanetworks.com Dongying_Xu at us.alphanetworks.com
Tue May 8 19:59:47 CEST 2007


in my code, it doesn't work.  What I don't understand is that we can boot 
up the system using this particular memory but we could not tftp. Is there 
any burst mode I can set?  Thanks,

Best Regards


Timur Tabi <timur at freescale.com>
05/08/2007 08:14 AM
        To:     Dongying_Xu at us.alphanetworks.com
        cc:     u-boot-users at lists.sourceforge.net
        Subject:        Re: [U-Boot-Users] tftp alignment exception

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:


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

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