From:  Brendan Bleker <[email protected]>
Reply-To:  "[email protected]" <[email protected]>
Date:  Wednesday, July 23, 2014 at 1:02 PM
To:  "[email protected]" <[email protected]>
Subject:  [beagleboard] Re: TFTP from u-boot: slow and buggy

> Have you got this to work?
> 
> I've been working on a very similar thing, only I'm trying to load u-boot
> through TFTP. You may find the following TI wiki useful:
> 
> http://processors.wiki.ti.com/index.php/Ubuntu_12.04_Set_Up_to_Network_Boot_an
> _AM335x_Based_Platform
> 
> At this point I have not got a Network Bootable img file, that is where I'm
> stuck...
William¹s instructions are much easier to follow:

http://www.embeddedhobbyist.com/debian-tips/beaglebone-black/beaglebone-blac
k-nfs-root/

Robert describes the uEnv.txt setup which works great for me.

http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0#nfs_support

Regards,
John
> 
> 
> 
> 
> On Wednesday, January 8, 2014 8:47:12 AM UTC-8, Lee Crocker wrote:
>> I have a setup that loads u-boot onto the BBB over the serial port, and then
>> tells u-boot to load the .dtb and kernel from a local TFTP server. Loading
>> the small .dtb file works perfectly (although slowly), and succeeds. Loading
>> the kernel takes too long, causes lots of retries, and finally errors out. If
>> I manually get the kernel from that same TFTP server onto my laptop, it loads
>> in about 11 seconds--over wifi--so the server is working fine. It's just
>> u-boot's TFTP client that seems to be causing the errors. I have seen other
>> messages around the net advising changing the server's block size to 1468,
>> which I did, and telling u-boot to turn dcache off, which isn't an option
>> anymore, but it still fails.
>> 
>> Has anyone actually got this working? Which tftp server are you using, and
>> what parameters? Is there a patch to u-boot that might fix its client?
>> 
> 
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